/* =============================================================================
   GS KOR İSKELE MÜHENDİSLİĞİ — ANA STİL DOSYASI
   Tasarım dili: kurumsal mühendislik. Açık/beyaz header, lacivert-mavi palet,
   ince mavi çizgi vurguları, diyagonal kesitler, koyu bölümlerde grid dokusu.
   Bu dosya: tasarım token'ları + reset + temel + TÜM bileşenler (masaüstü).
   Media query'ler ayrı dosyada: responsive.css
   Harici @import veya harici görsel URL'i YOKTUR.
   ========================================================================== */

/* =============================================================================
   1) TASARIM TOKEN'LARI (SKELETON.md bölüm 2 — birebir)
   ========================================================================== */
:root{
  /* --- Marka paleti --- */
  --navy-950:#0B1428;   /* en koyu zemin, hero overlay */
  --navy-900:#102040;   /* wordmark laciverti — ana koyu renk */
  --navy-800:#16294F;
  --navy-700:#22397D;   /* footer arka planı */
  --brand-700:#104098;
  --brand-600:#2058A8;
  --brand-500:#0868B8;  /* birincil CTA / link rengi */
  --brand-400:#3088C8;  /* hover, vurgu, odak halkası */
  --brand-300:#5AA6DC;
  --brand-50:#EAF2FB;   /* açık bölüm zemini */
  --ink:#0F1B33;
  --ink-2:#3B4A63;
  --muted:#6B7890;
  --line:#DFE5EE;
  --surface:#FFFFFF;
  --surface-2:#F5F7FA;
  --ok:#1E9E62;
  --err:#D64545;
  --wa:#25D366;

  /* --- Türetilmiş anlamsal renkler --- */
  --bg:var(--surface);
  --line-soft:rgba(223,229,238,.6);
  --line-invert:rgba(255,255,255,.14);
  --ink-invert:#F2F6FC;         /* koyu zeminde gövde metni */
  --ink-invert-2:#C3D0E6;       /* koyu zeminde ikincil metin */
  --ink-invert-3:#9BAAC6;       /* koyu zeminde üçüncül metin */
  --on-brand:#FFFFFF;           /* mavi üzerinde metin */
  --grad-deep:linear-gradient(135deg,var(--navy-900) 0%,var(--navy-800) 42%,var(--brand-700) 100%);

  /* --- Tipografi --- */
  --font-head:'Saira',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;

  /* Akışkan ölçek: 360px -> 1920px arası sorunsuz */
  --fs-3xs:clamp(.688rem,.66rem + .12vw,.75rem);
  --fs-2xs:clamp(.75rem,.72rem + .14vw,.813rem);
  --fs-xs:clamp(.813rem,.78rem + .16vw,.875rem);
  --fs-sm:clamp(.875rem,.85rem + .16vw,.938rem);
  --fs-base:clamp(.938rem,.9rem + .2vw,1.05rem);
  --fs-md:clamp(1rem,.95rem + .28vw,1.125rem);
  --fs-lg:clamp(1.06rem,.98rem + .4vw,1.28rem);
  --fs-xl:clamp(1.18rem,1.04rem + .66vw,1.55rem);
  --fs-2xl:clamp(1.45rem,1.2rem + 1.1vw,2.15rem);
  --fs-3xl:clamp(1.75rem,1.32rem + 1.9vw,2.9rem);
  --fs-4xl:clamp(2.1rem,1.45rem + 2.9vw,3.75rem);
  --fs-5xl:clamp(2.4rem,1.45rem + 4.1vw,4.75rem);

  /* --- Boşluk skalası --- */
  --sp-1:4px;  --sp-2:8px;  --sp-3:12px; --sp-4:16px;
  --sp-5:20px; --sp-6:24px; --sp-7:32px; --sp-8:40px;
  --sp-9:48px; --sp-10:64px; --sp-11:80px; --sp-12:104px;

  --gap:clamp(16px,2.2vw,28px);
  --section-y:clamp(56px,7vw,104px);
  --container:1220px;
  --container-pad:20px;

  /* --- Geometri --- */
  --r-xs:2px; --r-sm:4px; --r-md:6px; --r-lg:10px; --r-pill:999px;
  --cut:24px;                 /* diyagonal kesit büyüklüğü */

  /* --- Gölge (yumuşak ve az) --- */
  --sh-1:0 1px 2px rgba(15,27,51,.05),0 2px 8px rgba(15,27,51,.05);
  --sh-2:0 2px 6px rgba(15,27,51,.06),0 12px 28px rgba(15,27,51,.08);
  --sh-3:0 6px 14px rgba(15,27,51,.09),0 22px 48px rgba(15,27,51,.12);
  --sh-head:0 6px 20px rgba(16,32,64,.12);
  --sh-dark:0 18px 44px rgba(0,0,0,.42);

  /* --- Hareket --- */
  --ease:cubic-bezier(.2,.7,.2,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --t-fast:.18s;
  --t:.28s;
  --t-slow:.5s;

  /* --- Katmanlar --- */
  --z-header:900;
  --z-nav:890;
  --z-backdrop:880;
  --z-mobilebar:840;
  --z-float:820;
  --z-lightbox:1000;
  --z-skip:1100;

  /* --- Dokular --- */
  --grid-line:rgba(90,166,220,.09);
  --grid-size:44px;

  /* Medya yer tutucu deseni (görsel yüklenene kadar desen görünür) */
  --media-holder:
    repeating-linear-gradient(135deg,
      rgba(255,255,255,.04) 0 10px,
      rgba(255,255,255,0) 10px 20px),
    linear-gradient(140deg,#16294F 0%,#22397D 100%);

  /* Kırık görsel deseni: lacivert-mavi diyagonal */
  --media-broken:
    repeating-linear-gradient(135deg,
      #16294F 0 14px,
      #22397D 14px 28px,
      #3088C8 28px 31px,
      #22397D 31px 45px);
}

/* =============================================================================
   2) RESET / NORMALIZE
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:112px;
  -webkit-tap-highlight-color:rgba(8,104,184,.2);
  scrollbar-color:var(--brand-300) var(--surface-2);
  scrollbar-width:thin;
}

body{
  margin:0;
  min-height:100%;
  background:var(--bg);
  color:var(--ink-2);
  font-family:var(--font-body);
  font-size:var(--fs-base);
  line-height:1.72;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
  text-rendering:optimizeLegibility;
}

/* Mobil menü açıkken gövde kaydırma kilidi */
body.nav-lock{overflow:hidden}

h1,h2,h3,h4,h5,h6{
  margin:0 0 .5em;
  font-family:var(--font-head);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-0.01em;
  color:var(--navy-900);
  text-wrap:balance;
}
h1{font-size:var(--fs-4xl);font-weight:900}
h2{font-size:var(--fs-3xl)}
h3{font-size:var(--fs-xl);font-weight:700}
h4{font-size:var(--fs-lg);font-weight:700}
h5,h6{font-size:var(--fs-md);font-weight:700;letter-spacing:.02em}

p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}

ul,ol{margin:0 0 1.05em;padding-left:1.15em}
li{margin:0 0 .35em}

a{
  color:var(--brand-500);
  text-decoration:none;
  text-underline-offset:3px;
  transition:color var(--t-fast) var(--ease),
             background-color var(--t-fast) var(--ease),
             border-color var(--t-fast) var(--ease);
}
a:hover{color:var(--brand-700);text-decoration:underline}

strong,b{font-weight:700;color:var(--ink)}
small{font-size:var(--fs-xs)}

img,svg,video,canvas,picture,iframe{max-width:100%;display:block}
img,video{height:auto}

figure{margin:0}
blockquote{margin:0}

hr{
  height:1px;
  border:0;
  margin:var(--sp-8) 0;
  background:linear-gradient(90deg,var(--brand-500) 0 64px,var(--line) 64px 100%);
}

button,input,select,textarea{font:inherit;color:inherit;margin:0}
button{background:none;border:0;padding:0;cursor:pointer;color:inherit}

table{border-collapse:collapse;width:100%}

/* Uzun kelime / URL taşmalarına karşı (360px garantisi) */
p,li,h1,h2,h3,h4,h5,h6,dd,dt,td,th,figcaption,label,address,blockquote{overflow-wrap:anywhere}

::selection{background:var(--brand-500);color:var(--on-brand)}

/* Gizleme sözleşmesi: [hidden] bileşen display'ini de yener */
[hidden]{display:none !important}

/* =============================================================================
   3) ERİŞİLEBİLİRLİK
   ========================================================================== */
:focus{outline:none}
:focus-visible{
  outline:2px solid var(--brand-400);
  outline-offset:2px;
  border-radius:var(--r-xs);
}
/* Koyu zeminde odak halkası daha açık tonda */
.section--dark :focus-visible,
.site-footer :focus-visible,
.cta-band :focus-visible,
.stats :focus-visible,
.hero :focus-visible,
.page-hero :focus-visible,
.topbar :focus-visible,
.lb :focus-visible{outline-color:#8CC3EC}

.skip-link{
  position:fixed;
  top:-120px;
  left:16px;
  z-index:var(--z-skip);
  display:inline-block;
  padding:12px 22px;
  background:var(--brand-500);
  color:var(--on-brand);
  font-family:var(--font-head);
  font-size:var(--fs-md);
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  text-decoration:none;
  border-radius:0 0 var(--r-md) var(--r-md);
  box-shadow:var(--sh-2);
  transition:top var(--t) var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{top:0;color:var(--on-brand);text-decoration:none}

.visually-hidden{
  position:absolute !important;
  width:1px;
  height:1px;
  margin:-1px;
  padding:0;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

/* =============================================================================
   4) İKONLAR
   ========================================================================== */
.ico{
  width:1.15em;
  height:1.15em;
  flex:0 0 auto;
  fill:none;
  stroke:currentColor;
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
  vertical-align:middle;
  overflow:visible;
}
/* Küçük nokta ikonları (ör. Instagram kamera noktası) dolgulu görünsün */
.ico circle[r="1.2"]{fill:currentColor;stroke:none}

/* =============================================================================
   5) MARKA / LOGO (PNG img)
   ========================================================================== */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-width:0;
  text-decoration:none;
  line-height:1;
}
.brand:hover{text-decoration:none}

.brand__logo{
  display:block;
  height:44px;
  width:auto;
  max-width:100%;
  object-fit:contain;
  transition:height var(--t) var(--ease),opacity var(--t-fast) var(--ease);
}
/* Masaüstünde tam logo görünür, kompakt olan gizli (mobilde tersi: responsive.css) */
.brand__logo--full{display:block}
.brand__logo--compact{display:none}

.site-header.is-shrunk .brand__logo{height:36px}

.brand:hover .brand__logo{opacity:.86}

/* Footer dikey logo */
.brand__logo--stacked{
  height:auto;
  width:150px;
  max-width:60%;
}

/* =============================================================================
   6) DÜZEN: container / section / grid
   ========================================================================== */
.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--container-pad);
}

main{display:block}

.section{
  position:relative;
  padding-block:var(--section-y);
  background:var(--surface);
}
.section > *{position:relative;z-index:1}

.section--alt{background:var(--surface-2)}
.section--tint{background:var(--brand-50)}

/* Açık bölümlerde çok hafif teknik ızgara */
.section--alt::before,
.section--tint::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(16,32,64,.045) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(16,32,64,.045) 1px,transparent 1px);
  background-size:var(--grid-size) var(--grid-size);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 22%,#000 78%,transparent);
  mask-image:linear-gradient(180deg,transparent,#000 22%,#000 78%,transparent);
}

.section--dark{
  background:var(--navy-900);
  color:var(--ink-invert-2);
  overflow:hidden;
}
.section--dark::before{
  /* koyu bölümlerde ince endüstriyel grid dokusu */
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,var(--grid-line) 1px,transparent 1px),
    linear-gradient(to bottom,var(--grid-line) 1px,transparent 1px);
  background-size:var(--grid-size) var(--grid-size);
}
.section--dark::after{
  /* köşeden gelen yumuşak mavi ışıma */
  content:"";
  position:absolute;
  inset:auto -10% -40% auto;
  z-index:0;
  width:min(700px,72%);
  aspect-ratio:1;
  pointer-events:none;
  background:radial-gradient(circle at 70% 70%,rgba(48,136,200,.18),transparent 62%);
}
.section--dark h1,.section--dark h2,.section--dark h3,
.section--dark h4,.section--dark h5,.section--dark h6{color:var(--surface)}
.section--dark p{color:var(--ink-invert-2)}
.section--dark strong{color:var(--surface)}
.section--dark a:not(.btn){color:var(--brand-300)}
.section--dark a:not(.btn):hover{color:#96C8EC}

/* Diyagonal kesitli bölüm varyantı */
.section--cut{
  clip-path:polygon(0 var(--cut),100% 0,100% calc(100% - var(--cut)),0 100%);
}

.section__head{
  max-width:780px;
  margin:0 auto clamp(28px,4vw,52px);
  text-align:center;
}
.section__head--left{margin-inline:0;text-align:left}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  font-family:var(--font-body);
  font-size:var(--fs-2xs);
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--brand-500);
}
.eyebrow::before{
  content:"";
  width:34px;
  height:2px;
  flex:0 0 auto;
  background:var(--brand-500);
}
.section__head:not(.section__head--left) .eyebrow{justify-content:center}
.section--dark .eyebrow,
.hero .eyebrow,
.page-hero .eyebrow,
.cta-band .eyebrow,
.stats .eyebrow{color:var(--brand-300)}
.section--dark .eyebrow::before,
.hero .eyebrow::before,
.page-hero .eyebrow::before,
.cta-band .eyebrow::before{background:var(--brand-300)}

.section__title{
  margin:0 0 14px;
  font-family:var(--font-head);
  font-size:var(--fs-3xl);
  font-weight:800;
  line-height:1.06;
  letter-spacing:-0.01em;
  color:var(--navy-900);
}
.section--dark .section__title{color:var(--surface)}

.section__lead{
  margin:0;
  font-size:var(--fs-md);
  line-height:1.78;
  color:var(--ink-2);
}
.section--dark .section__lead{color:var(--ink-invert-2)}

/* Grid sistemi */
.grid{
  display:grid;
  gap:var(--gap);
  grid-template-columns:1fr;
}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* Grid/flex çocuklarında taşma engeli (360px yatay taşma garantisi) */
.grid > *,
.svc-grid > *,
.sys-grid > *,
.post-grid > *,
.why-grid > *,
.ref-grid > *,
.stats > *,
.process > *,
.gallery > *,
.form__row > *,
.footer__grid > *,
.sys-detail > *,
.cta-band__inner > *,
.navbar__inner > *{min-width:0}

/* =============================================================================
   7) BUTONLAR
   ========================================================================== */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 26px;
  border:2px solid transparent;
  border-radius:var(--r-sm);
  font-family:var(--font-head);
  font-size:var(--fs-md);
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.15;
  text-align:center;
  text-decoration:none;
  cursor:pointer;
  isolation:isolate;
  transition:background-color var(--t-fast) var(--ease),
             color var(--t-fast) var(--ease),
             border-color var(--t-fast) var(--ease),
             transform var(--t-fast) var(--ease),
             box-shadow var(--t-fast) var(--ease);
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn .ico{width:1.05em;height:1.05em;stroke-width:1.8}

.btn--primary{
  background:var(--brand-500);
  border-color:var(--brand-500);
  color:var(--on-brand);
  box-shadow:0 6px 18px rgba(8,104,184,.24);
}
.btn--primary:hover{
  background:var(--brand-400);
  border-color:var(--brand-400);
  color:var(--on-brand);
  box-shadow:0 10px 24px rgba(48,136,200,.3);
}

.btn--dark{
  background:var(--navy-900);
  border-color:var(--navy-900);
  color:var(--on-brand);
}
.btn--dark:hover{
  background:var(--brand-700);
  border-color:var(--brand-700);
  color:var(--on-brand);
}

.btn--outline{
  background:transparent;
  border-color:var(--navy-900);
  color:var(--navy-900);
}
.btn--outline:hover{
  background:var(--navy-900);
  border-color:var(--navy-900);
  color:var(--on-brand);
}
/* Koyu zeminde outline: beyaz kenarlık + beyaz metin */
.section--dark .btn--outline,
.hero .btn--outline,
.page-hero .btn--outline,
.cta-band .btn--outline,
.stats .btn--outline,
.site-footer .btn--outline{color:var(--surface);border-color:rgba(255,255,255,.55)}
.section--dark .btn--outline:hover,
.hero .btn--outline:hover,
.page-hero .btn--outline:hover,
.cta-band .btn--outline:hover,
.stats .btn--outline:hover,
.site-footer .btn--outline:hover{
  background:var(--surface);
  border-color:var(--surface);
  color:var(--navy-900);
}

.btn--ghost{
  background:transparent;
  border-color:transparent;
  color:var(--brand-500);
  padding-inline:12px;
}
.btn--ghost:hover{background:var(--brand-50);color:var(--brand-700)}
.section--dark .btn--ghost,
.site-footer .btn--ghost,
.cta-band .btn--ghost{color:var(--brand-300)}
.section--dark .btn--ghost:hover,
.site-footer .btn--ghost:hover,
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.1);color:var(--surface)}

.btn--sm{padding:9px 16px;font-size:var(--fs-sm)}
.btn--lg{padding:18px 36px;font-size:var(--fs-lg)}
.btn--block{display:flex;width:100%}

.btn[disabled],
.btn[aria-disabled="true"]{opacity:.55;pointer-events:none;transform:none;box-shadow:none}

/* =============================================================================
   8) HEADER — açık zemin, üstte koyu topbar
   ========================================================================== */
.site-header{
  position:sticky;
  top:0;
  z-index:var(--z-header);
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:background-color var(--t) var(--ease),
             box-shadow var(--t) var(--ease),
             border-color var(--t) var(--ease);
}

/* --- Üst şerit (koyu) --- */
.topbar{
  max-height:52px;
  background:var(--navy-900);
  color:var(--ink-invert-2);
  overflow:hidden;
  transition:max-height var(--t) var(--ease),
             opacity var(--t) var(--ease);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  flex-wrap:wrap;
  gap:6px 26px;
  min-height:40px;
  padding-block:6px;
}
.topbar__item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:var(--fs-2xs);
  font-weight:500;
  letter-spacing:.02em;
  color:var(--ink-invert-2);
  text-decoration:none;
}
.topbar__item .ico{
  width:15px;
  height:15px;
  color:var(--brand-300);
  stroke-width:1.7;
}
a.topbar__item:hover{color:var(--surface);text-decoration:none}
a.topbar__item:hover .ico{color:var(--surface)}
.topbar__item--addr{margin-right:auto}
.topbar__item--tel{font-weight:700;color:var(--surface)}

/* --- Navbar --- */
.navbar{background:transparent}
.navbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:78px;
  transition:min-height var(--t) var(--ease);
}

/* --- Sticky küçülmüş durum --- */
.site-header.is-shrunk{
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:saturate(150%) blur(10px);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom-color:transparent;
  box-shadow:var(--sh-head);
}
.site-header.is-shrunk .topbar{
  max-height:0;
  opacity:0;
}
.site-header.is-shrunk .navbar__inner{min-height:62px}

/* --- Ana menü (masaüstü: yatay) --- */
.nav{
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,26px);
  margin-left:auto;
}
.nav__list{
  display:flex;
  align-items:center;
  gap:clamp(0px,.7vw,8px);
  margin:0;
  padding:0;
  list-style:none;
}
.nav__item{margin:0}
.nav__link{
  position:relative;
  display:block;
  padding:10px 10px;
  font-family:var(--font-body);
  font-size:var(--fs-xs);
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  color:var(--ink);
  text-decoration:none;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:10px;
  right:10px;
  bottom:2px;
  height:2px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--t) var(--ease);
}
.nav__link:hover{color:var(--brand-500);text-decoration:none}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--brand-500)}
.nav__link.is-active::after{transform:scaleX(1)}

.nav__cta{
  display:flex;
  align-items:center;
  gap:10px;
  padding-left:clamp(8px,1.3vw,18px);
  border-left:1px solid var(--line);
}
.nav__cta .btn{white-space:nowrap}

/* --- Hamburger --- */
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--surface-2);
  color:var(--navy-900);
  transition:background-color var(--t-fast) var(--ease),
             border-color var(--t-fast) var(--ease);
}
.nav-toggle:hover{background:var(--brand-50);border-color:var(--brand-400)}
.nav-toggle__box{
  position:relative;
  display:block;
  width:24px;
  height:16px;
}
.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after{
  position:absolute;
  left:0;
  width:24px;
  height:2px;
  background:var(--navy-900);
  border-radius:2px;
  transition:transform var(--t) var(--ease),
             opacity var(--t-fast) var(--ease),
             background-color var(--t-fast) var(--ease),
             width var(--t) var(--ease);
}
.nav-toggle__bar{top:7px}
.nav-toggle__bar::before{content:"";top:-7px}
.nav-toggle__bar::after{content:"";top:7px;width:17px;background:var(--brand-500)}
.nav-toggle:hover .nav-toggle__bar::after{width:24px}

/* Açık durumda X'e dönüşür */
.nav-toggle.is-open{background:var(--brand-50);border-color:var(--brand-400)}
.nav-toggle.is-open .nav-toggle__bar{background:transparent}
.nav-toggle.is-open .nav-toggle__bar::before{
  background:var(--brand-500);
  transform:translateY(7px) rotate(45deg);
}
.nav-toggle.is-open .nav-toggle__bar::after{
  width:24px;
  background:var(--brand-500);
  transform:translateY(-7px) rotate(-45deg);
}

/* --- Menü arka karartması --- */
.nav-backdrop{
  position:fixed;
  inset:0;
  z-index:var(--z-backdrop);
  background:rgba(11,20,40,.62);
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
  opacity:0;
  transition:opacity var(--t) var(--ease);
}
.nav-backdrop.is-open{opacity:1}

/* =============================================================================
   9) HERO
   ========================================================================== */
.hero{
  position:relative;
  display:flex;
  align-items:center;
  min-height:min(88vh,780px);
  padding-block:clamp(64px,9vw,120px);
  background:var(--navy-950);
  color:var(--surface);
  overflow:hidden;
  isolation:isolate;
}
.hero__media{
  position:absolute;
  inset:0;
  z-index:0;
  background:var(--media-holder);
  overflow:hidden;
}
.hero__media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 42%;
  filter:saturate(.85) contrast(1.03);
}
.hero__overlay{
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background:
    linear-gradient(100deg,
      rgba(11,20,40,.94) 0%,
      rgba(11,20,40,.86) 34%,
      rgba(11,20,40,.70) 62%,
      rgba(16,64,152,.52) 100%),
    linear-gradient(180deg,
      rgba(11,20,40,.62) 0%,
      rgba(11,20,40,.28) 38%,
      rgba(11,20,40,.72) 100%);
}
.hero__overlay::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(to right,rgba(90,166,220,.1) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(90,166,220,.07) 1px,transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:linear-gradient(115deg,#000 0 42%,transparent 78%);
  mask-image:linear-gradient(115deg,#000 0 42%,transparent 78%);
}
.hero__inner{
  position:relative;
  z-index:2;
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--container-pad);
}
.hero__title{
  max-width:18ch;
  margin:0 0 20px;
  font-family:var(--font-head);
  font-size:var(--fs-5xl);
  font-weight:900;
  line-height:1.02;
  letter-spacing:-0.015em;
  color:var(--surface);
  text-shadow:0 2px 24px rgba(0,0,0,.35);
}
.hero__title em,
.hero__title .accent{
  font-style:normal;
  color:var(--brand-300);
  display:inline-block;
}
.hero__text{
  max-width:58ch;
  margin:0 0 30px;
  font-size:var(--fs-lg);
  line-height:1.74;
  color:#DCE5F2;
}
.hero__actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-bottom:clamp(26px,4vw,44px);
}
.hero__badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px 12px;
  margin:0;
  padding:0;
  list-style:none;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin:0;
  padding:9px 16px 9px 14px;
  border:1px solid rgba(255,255,255,.24);
  border-left:3px solid var(--brand-400);
  border-radius:var(--r-sm);
  background:rgba(11,20,40,.52);
  -webkit-backdrop-filter:blur(4px);
  backdrop-filter:blur(4px);
  font-size:var(--fs-2xs);
  font-weight:600;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:#E7EEF8;
}
.hero-badge .ico{width:16px;height:16px;color:var(--brand-300)}

/* Hero altındaki diyagonal kesit */
.hero::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  z-index:3;
  height:clamp(28px,4vw,56px);
  background:var(--surface);
  clip-path:polygon(0 100%,100% 0,100% 100%);
  pointer-events:none;
}
.hero--flat::after{display:none}

/* =============================================================================
   10) SAYFA BAŞLIĞI (page-hero) + BREADCRUMB
   ========================================================================== */
.page-hero{
  position:relative;
  padding-block:clamp(46px,6.4vw,92px);
  background:var(--grad-deep);
  color:var(--surface);
  overflow:hidden;
  isolation:isolate;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(90,166,220,.11) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(90,166,220,.08) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:linear-gradient(105deg,#000 0 55%,transparent 90%);
  mask-image:linear-gradient(105deg,#000 0 55%,transparent 90%);
}
.page-hero::after{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:min(440px,48%);
  height:100%;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(90,166,220,.24),rgba(90,166,220,0));
  clip-path:polygon(38% 0,100% 0,100% 100%,0 100%);
  opacity:.6;
}
.page-hero__inner{
  position:relative;
  z-index:1;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--container-pad);
}
.page-hero__title{
  margin:0 0 12px;
  font-family:var(--font-head);
  font-size:var(--fs-4xl);
  font-weight:900;
  line-height:1.05;
  letter-spacing:-0.015em;
  color:var(--surface);
}
.page-hero .section__lead,
.page-hero__inner > p{
  max-width:72ch;
  margin:0;
  color:var(--ink-invert-2);
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px 10px;
  margin:0 0 18px;
  padding:0;
  list-style:none;
  font-size:var(--fs-2xs);
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--ink-invert-3);
}
.breadcrumb li{margin:0;display:inline-flex;align-items:center;gap:10px}
.breadcrumb li + li::before{
  content:"";
  width:14px;
  height:1px;
  background:var(--brand-300);
  opacity:.8;
}
.breadcrumb a{color:var(--ink-invert-3);text-decoration:none}
.breadcrumb a:hover{color:var(--surface);text-decoration:none}
.breadcrumb [aria-current="page"]{color:var(--surface)}
/* Açık zeminde breadcrumb kullanımı */
.section .breadcrumb,
.section--alt .breadcrumb{color:var(--muted)}
.section .breadcrumb a{color:var(--brand-500)}
.section .breadcrumb [aria-current="page"]{color:var(--ink)}

/* =============================================================================
   11) MEDYA SARMALAYICILARI + GÖRSEL FALLBACK
   ========================================================================== */
.sys-card__media,
.post-card__media,
.gallery__item,
.sys-detail__media,
.article__hero,
.media,
.img-fallback{
  position:relative;
  overflow:hidden;
  background-color:var(--navy-800);
  background-image:var(--media-holder);
}
.sys-card__media img,
.post-card__media img,
.gallery__item img,
.sys-detail__media img,
.article__hero img,
.media img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

/* CLS engelleme: sabit en-boy oranları */
.sys-card__media{aspect-ratio:4/3}
.post-card__media{aspect-ratio:16/10}
.gallery__item{aspect-ratio:4/3}
.sys-detail__media{aspect-ratio:4/3}
.article__hero{aspect-ratio:16/9}
.media{aspect-ratio:4/3}
.media--16x10{aspect-ratio:16/10}
.media--16x9{aspect-ratio:16/9}
.media--1x1{aspect-ratio:1/1}

/* Kırık görsel: lacivert-mavi diyagonal desen, img gizlenir */
.img-fallback{
  background-image:var(--media-broken) !important;
  background-color:var(--navy-800) !important;
}
.img-fallback img{display:none !important}
.img-fallback::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 50% 50%,rgba(11,20,40,.5),rgba(11,20,40,.76));
  pointer-events:none;
}
.img-fallback::before{
  /* ortada küçük iskele çerçevesi işareti */
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  z-index:2;
  width:46px;
  height:34px;
  transform:translate(-50%,-50%);
  border:2px solid rgba(144,196,236,.9);
  background:
    linear-gradient(to right,rgba(144,196,236,.9) 2px,transparent 2px) 50% 0/100% 100% no-repeat,
    linear-gradient(to bottom,rgba(144,196,236,.9) 2px,transparent 2px) 0 50%/100% 100% no-repeat;
  pointer-events:none;
}

/* =============================================================================
   12) RAKAM ŞERİDİ (stats) — diyagonal koyu gradient
   ========================================================================== */
.stats{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  margin:0;
  padding:0;
  list-style:none;
  /* tek parça, kesintisiz diyagonal gradient */
  background:var(--grad-deep);
  border-radius:var(--r-md);
  overflow:hidden;
  isolation:isolate;
}
.stat{
  position:relative;
  z-index:1;
  margin:0;
  padding:clamp(22px,3vw,38px) clamp(14px,2vw,26px);
  background:transparent;
  border-left:1px solid rgba(255,255,255,.14);
  text-align:center;
  overflow:hidden;
}
.stat:first-child{border-left:0}
.stat::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--brand-400);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--t) var(--ease);
}
.stat::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(255,255,255,0);
  transition:background-color var(--t) var(--ease);
  pointer-events:none;
}
.stat:hover::before{transform:scaleX(1)}
.stat:hover::after{background:rgba(255,255,255,.05)}
.stat__num{
  position:relative;
  z-index:1;
  display:block;
  font-family:var(--font-head);
  font-size:clamp(2.1rem,1.35rem + 2.9vw,3.5rem);
  font-weight:900;
  line-height:1;
  letter-spacing:-0.02em;
  color:var(--surface);
  font-variant-numeric:tabular-nums;
}
.stat__label{
  position:relative;
  z-index:1;
  display:block;
  margin-top:10px;
  font-size:var(--fs-2xs);
  font-weight:600;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--brand-300);
}

/* Açık zemin üzerinde stats varyantı */
.stats--light{
  background:var(--surface);
  border:1px solid var(--line);
}
.stats--light .stat{border-left-color:var(--line)}
.stats--light .stat__num{color:var(--navy-900)}
.stats--light .stat__label{color:var(--muted)}
.stats--light .stat:hover::after{background:rgba(8,104,184,.04)}

/* =============================================================================
   13) HİZMET KARTLARI (svc-card)
   ========================================================================== */
.svc-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
  margin:0;
  padding:0;
  list-style:none;
}
.svc-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:12px;
  margin:0;
  padding:clamp(24px,2.6vw,34px);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform var(--t) var(--ease),
             box-shadow var(--t) var(--ease),
             border-color var(--t) var(--ease);
}
.svc-card::before{
  /* hover'da beliren mavi üst şerit */
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--t) var(--ease);
}
.svc-card::after{
  /* köşe diyagonal kesit izlenimi */
  content:"";
  position:absolute;
  right:-1px;
  bottom:-1px;
  width:38px;
  height:38px;
  background:linear-gradient(135deg,transparent 50%,rgba(16,32,64,.07) 50%);
  pointer-events:none;
}
.svc-card:hover{
  transform:translateY(-6px);
  border-color:var(--brand-300);
  box-shadow:var(--sh-2);
}
.svc-card:hover::before{transform:scaleX(1)}
.section--dark .svc-card{
  background:var(--navy-800);
  border-color:var(--line-invert);
  box-shadow:none;
}
.section--dark .svc-card:hover{border-color:var(--brand-400)}

.svc-card__icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:56px;
  height:56px;
  margin-bottom:4px;
  border:2px solid var(--brand-300);
  border-radius:var(--r-sm);
  background:var(--brand-50);
  color:var(--brand-600);
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
  transition:background-color var(--t) var(--ease),
             color var(--t) var(--ease),
             border-color var(--t) var(--ease);
}
.svc-card__icon .ico,
.svc-card__icon svg{width:28px;height:28px;stroke-width:1.6}
.svc-card:hover .svc-card__icon{
  background:var(--brand-500);
  border-color:var(--brand-500);
  color:var(--on-brand);
}
.section--dark .svc-card__icon{
  background:rgba(48,136,200,.16);
  border-color:var(--brand-500);
  color:var(--brand-300);
}

.svc-card__title{
  margin:0;
  font-family:var(--font-head);
  font-size:var(--fs-xl);
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--navy-900);
}
.section--dark .svc-card__title{color:var(--surface)}

.svc-card__text{
  margin:0;
  flex:1 1 auto;
  font-size:var(--fs-sm);
  line-height:1.72;
  color:var(--ink-2);
}
.section--dark .svc-card__text{color:var(--ink-invert-2)}

.svc-card__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:6px;
  font-family:var(--font-head);
  font-size:var(--fs-sm);
  font-weight:700;
  letter-spacing:.03em;
  text-transform:uppercase;
  color:var(--brand-500);
  text-decoration:none;
}
.svc-card__link::after{
  content:"";
  width:22px;
  height:2px;
  background:currentColor;
  transition:width var(--t) var(--ease);
}
.svc-card__link:hover{color:var(--brand-700);text-decoration:none}
.svc-card__link:hover::after{width:34px}
.section--dark .svc-card__link{color:var(--brand-300)}
.section--dark .svc-card__link:hover{color:var(--surface)}

/* =============================================================================
   14) SİSTEM KARTLARI (sys-card)
   ========================================================================== */
.sys-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
  margin:0;
  padding:0;
  list-style:none;
}
.sys-card{
  position:relative;
  display:flex;
  flex-direction:column;
  margin:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform var(--t) var(--ease),
             box-shadow var(--t) var(--ease),
             border-color var(--t) var(--ease);
}
.sys-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  z-index:3;
  height:3px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--t) var(--ease);
}
.sys-card:hover{
  transform:translateY(-6px);
  border-color:var(--brand-300);
  box-shadow:var(--sh-2);
}
.sys-card:hover::before{transform:scaleX(1)}
.section--dark .sys-card{
  background:var(--navy-800);
  border-color:var(--line-invert);
  box-shadow:none;
}

.sys-card__media img{transition:transform var(--t-slow) var(--ease)}
.sys-card:hover .sys-card__media img{transform:scale(1.06)}
.sys-card__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,20,40,0) 46%,rgba(11,20,40,.5) 100%);
  pointer-events:none;
}

.sys-card__body{
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
  padding:clamp(20px,2.2vw,28px);
}
.sys-card__title{
  margin:0;
  font-family:var(--font-head);
  font-size:var(--fs-xl);
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--navy-900);
}
.section--dark .sys-card__title{color:var(--surface)}
.sys-card__text{
  margin:0;
  flex:1 1 auto;
  font-size:var(--fs-sm);
  line-height:1.72;
  color:var(--ink-2);
}
.section--dark .sys-card__text{color:var(--ink-invert-2)}
.sys-card__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:4px;
  font-family:var(--font-head);
  font-size:var(--fs-sm);
  font-weight:700;
  letter-spacing:.03em;
  text-transform:uppercase;
  color:var(--brand-500);
  text-decoration:none;
}
.sys-card__link::after{
  content:"";
  width:22px;
  height:2px;
  background:currentColor;
  transition:width var(--t) var(--ease);
}
.sys-card__link:hover{color:var(--brand-700);text-decoration:none}
.sys-card__link:hover::after{width:34px}
.section--dark .sys-card__link{color:var(--brand-300)}

/* =============================================================================
   15) SİSTEM DETAY BLOĞU (sys-detail)
   ========================================================================== */
.sys-detail{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  align-items:center;
  gap:clamp(24px,4vw,64px);
  padding-block:clamp(32px,4.5vw,60px);
  border-top:1px solid var(--line);
}
.sys-detail:first-of-type{border-top:0}
.section--dark .sys-detail{border-color:var(--line-invert)}

.sys-detail--flip .sys-detail__media{order:2}
.sys-detail--flip .sys-detail__body{order:1}

.sys-detail__media{
  border-radius:var(--r-md);
  box-shadow:var(--sh-2);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%);
}
.sys-detail--flip .sys-detail__media{
  clip-path:polygon(26px 0,100% 0,100% 100%,0 100%,0 26px);
}
.sys-detail__media img{transition:transform var(--t-slow) var(--ease)}
.sys-detail__media:hover img{transform:scale(1.04)}

.sys-detail__body h2,
.sys-detail__body h3{
  margin:0 0 14px;
  font-family:var(--font-head);
  letter-spacing:-0.01em;
  color:var(--navy-900);
}
.section--dark .sys-detail__body h2,
.section--dark .sys-detail__body h3{color:var(--surface)}
.sys-detail__body p{color:var(--ink-2)}
.section--dark .sys-detail__body p{color:var(--ink-invert-2)}

/* Teknik özellik listesi */
.spec-list{
  margin:20px 0;
  padding:0;
  list-style:none;
  border-top:1px solid var(--line);
}
.section--dark .spec-list{border-color:var(--line-invert)}
.spec-list__item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  margin:0;
  padding:11px 4px 11px 0;
  border-bottom:1px solid var(--line);
  font-size:var(--fs-sm);
  line-height:1.6;
  color:var(--ink-2);
}
.section--dark .spec-list__item{border-color:var(--line-invert);color:var(--ink-invert-2)}
.spec-list__item::before{
  content:"";
  flex:0 0 auto;
  width:10px;
  height:10px;
  margin-top:.55em;
  background:var(--brand-500);
  clip-path:polygon(0 0,100% 0,100% 100%);
}
.section--dark .spec-list__item::before{background:var(--brand-400)}
.spec-list__item strong,
.spec-list__item .spec-list__key{color:var(--navy-900);font-weight:700}
.spec-list__item .spec-list__key{min-width:150px;display:inline-block}
.section--dark .spec-list__item strong,
.section--dark .spec-list__item .spec-list__key{color:var(--surface)}

/* Etiketler */
.tag-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:18px 0;
  padding:0;
  list-style:none;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin:0;
  padding:6px 13px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--surface-2);
  font-size:var(--fs-2xs);
  font-weight:600;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--ink-2);
  text-decoration:none;
  transition:background-color var(--t-fast) var(--ease),
             color var(--t-fast) var(--ease),
             border-color var(--t-fast) var(--ease);
}
.tag:hover,
a.tag:hover{
  background:var(--brand-500);
  border-color:var(--brand-500);
  color:var(--on-brand);
  text-decoration:none;
}
.tag.is-active{background:var(--navy-900);border-color:var(--navy-900);color:var(--on-brand)}
.section--dark .tag{
  background:rgba(255,255,255,.07);
  border-color:var(--line-invert);
  color:var(--ink-invert-2);
}
.section--dark .tag:hover{background:var(--brand-500);border-color:var(--brand-500);color:var(--on-brand)}

/* =============================================================================
   16) NEDEN BİZ (why-grid)
   ========================================================================== */
.why-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,2.6vw,36px);
  margin:0;
  padding:0;
  list-style:none;
}
.why-item{
  position:relative;
  margin:0;
  padding:24px 22px 24px 26px;
  border-left:2px solid var(--line);
  transition:border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.why-item:hover{border-left-color:var(--brand-500);transform:translateY(-4px)}
.section--dark .why-item{border-left-color:var(--line-invert)}
.section--dark .why-item:hover{border-left-color:var(--brand-400)}
.why-item__icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:48px;
  height:48px;
  margin-bottom:14px;
  border-radius:var(--r-sm);
  background:var(--brand-50);
  color:var(--brand-600);
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease);
}
.why-item__icon .ico,
.why-item__icon svg{width:24px;height:24px}
.why-item:hover .why-item__icon{background:var(--brand-500);color:var(--on-brand)}
.section--dark .why-item__icon{background:rgba(48,136,200,.18);color:var(--brand-300)}
.section--dark .why-item:hover .why-item__icon{background:var(--brand-500);color:var(--on-brand)}
.why-item__title{
  margin:0 0 8px;
  font-family:var(--font-head);
  font-size:var(--fs-lg);
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--navy-900);
}
.section--dark .why-item__title{color:var(--surface)}
.why-item__text{
  margin:0;
  font-size:var(--fs-sm);
  line-height:1.72;
  color:var(--ink-2);
}
.section--dark .why-item__text{color:var(--ink-invert-2)}

/* =============================================================================
   17) SÜREÇ (process)
   ========================================================================== */
.process{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(18px,2.4vw,32px);
  margin:0;
  padding:0;
  list-style:none;
}
.process::before{
  /* adımları birleştiren kesik çizgi */
  content:"";
  position:absolute;
  top:27px;
  left:6%;
  right:6%;
  height:2px;
  z-index:0;
  background:repeating-linear-gradient(90deg,
    rgba(8,104,184,.45) 0 10px,transparent 10px 20px);
}
.section--dark .process::before{
  background:repeating-linear-gradient(90deg,
    rgba(90,166,220,.5) 0 10px,transparent 10px 20px);
}
.process__step{
  position:relative;
  z-index:1;
  margin:0;
  text-align:center;
}
.process__num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:54px;
  height:54px;
  margin-bottom:16px;
  border:2px solid var(--brand-500);
  background:var(--surface);
  color:var(--navy-900);
  font-family:var(--font-head);
  font-size:var(--fs-xl);
  font-weight:800;
  line-height:1;
  letter-spacing:-0.02em;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease);
}
.process__step:hover .process__num{background:var(--brand-500);color:var(--on-brand)}
.section--dark .process__num{background:var(--navy-800);color:var(--surface);border-color:var(--brand-400)}
.section--dark .process__step:hover .process__num{background:var(--brand-500)}
.process__title{
  margin:0 0 8px;
  font-family:var(--font-head);
  font-size:var(--fs-lg);
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--navy-900);
}
.section--dark .process__title{color:var(--surface)}
.process__text{
  margin:0;
  font-size:var(--fs-sm);
  line-height:1.72;
  color:var(--ink-2);
}
.section--dark .process__text{color:var(--ink-invert-2)}

/* =============================================================================
   18) GALERİ + LIGHTBOX
   ========================================================================== */
.gallery{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(10px,1.4vw,18px);
  margin:0;
  padding:0;
  list-style:none;
}
.gallery__item{
  position:relative;
  display:block;
  margin:0;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  cursor:zoom-in;
  transition:transform var(--t) var(--ease),
             box-shadow var(--t) var(--ease),
             border-color var(--t) var(--ease);
}
.gallery__item:hover{
  transform:translateY(-4px);
  border-color:var(--brand-400);
  box-shadow:var(--sh-2);
  text-decoration:none;
}
.gallery__img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform var(--t-slow) var(--ease),filter var(--t) var(--ease);
}
.gallery__item:hover .gallery__img{transform:scale(1.07);filter:saturate(1.05)}
.gallery__item::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,20,40,0) 40%,rgba(11,20,40,.6) 100%);
  opacity:0;
  transition:opacity var(--t) var(--ease);
  pointer-events:none;
}
.gallery__item:hover::after,
.gallery__item:focus-visible::after{opacity:1}
.gallery__zoom{
  position:absolute;
  right:12px;
  bottom:12px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:var(--r-sm);
  background:var(--brand-500);
  color:var(--on-brand);
  opacity:0;
  transform:translateY(8px) scale(.9);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease);
  pointer-events:none;
}
.gallery__zoom .ico,
.gallery__zoom svg{width:20px;height:20px;stroke-width:2}
.gallery__item:hover .gallery__zoom,
.gallery__item:focus-visible .gallery__zoom{opacity:1;transform:translateY(0) scale(1)}

/* --- Lightbox --- */
.lb{
  position:fixed;
  inset:0;
  z-index:var(--z-lightbox);
  display:none;
  align-items:center;
  justify-content:center;
  padding:clamp(16px,3vw,40px);
  background:rgba(8,15,30,.94);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  color:var(--surface);
}
.lb.is-open{display:flex !important}
.lb__dialog{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
  width:100%;
  max-width:min(1180px,94vw);
}
.lb__img{
  display:block;
  max-width:90vw;
  max-height:85vh;
  width:auto;
  height:auto;
  object-fit:contain;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);
  background:var(--navy-900);
  box-shadow:var(--sh-dark);
}
.lb__caption{
  max-width:70ch;
  margin:0;
  text-align:center;
  font-size:var(--fs-sm);
  line-height:1.6;
  color:#D5DEEE;
}
.lb__counter{
  font-family:var(--font-head);
  font-size:var(--fs-sm);
  font-weight:700;
  letter-spacing:.16em;
  color:var(--brand-300);
  font-variant-numeric:tabular-nums;
}

.lb__close,
.lb__prev,
.lb__next{
  position:absolute;
  z-index:2;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:52px;
  height:52px;
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-sm);
  background:rgba(16,32,64,.8);
  color:var(--surface);
  transition:background-color var(--t-fast) var(--ease),
             border-color var(--t-fast) var(--ease),
             color var(--t-fast) var(--ease),
             transform var(--t-fast) var(--ease);
}
.lb__close:hover,
.lb__prev:hover,
.lb__next:hover{
  background:var(--brand-500);
  border-color:var(--brand-500);
  color:var(--on-brand);
}
.lb__close svg,
.lb__prev svg,
.lb__next svg{
  width:22px;
  height:22px;
  fill:none;
  stroke:currentColor;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.lb__close{top:-64px;right:0}
.lb__prev{left:clamp(-70px,-4vw,-16px);top:50%;transform:translateY(-50%)}
.lb__next{right:clamp(-70px,-4vw,-16px);top:50%;transform:translateY(-50%)}
.lb__prev:hover{transform:translateY(-50%) translateX(-3px)}
.lb__next:hover{transform:translateY(-50%) translateX(3px)}
/* İçi boş butonlar için CSS ile çizilen X işareti */
.lb__close:empty::after{
  content:"";
  position:absolute;
  width:20px;
  height:20px;
  background:
    linear-gradient(45deg,transparent 44%,currentColor 44% 56%,transparent 56%),
    linear-gradient(-45deg,transparent 44%,currentColor 44% 56%,transparent 56%);
}

/* =============================================================================
   19) MARQUEE — REFERANS ŞERİDİ
   ========================================================================== */
.marquee{
  position:relative;
  width:100%;
  overflow:hidden;
  padding-block:clamp(18px,2.4vw,30px);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee__track{
  display:flex;
  align-items:stretch;
  gap:18px;
  width:max-content;
  will-change:transform;
  animation:marquee-scroll 46s linear infinite;
}
/* İçerik iki kez tekrarlanmış varsayımıyla -50% döngüsü */
@keyframes marquee-scroll{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}
.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track{animation-play-state:paused}

/* Referans rozeti — gerçek logo değil, nötr kutu */
.ref-badge{
  display:inline-flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
  min-width:238px;
  padding:14px 22px 14px 16px;
  border:1px solid var(--line-invert);
  border-radius:var(--r-md);
  background:linear-gradient(140deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  color:var(--surface);
  text-decoration:none;
  transition:border-color var(--t) var(--ease),
             background-color var(--t) var(--ease),
             transform var(--t) var(--ease);
}
.ref-badge:hover{
  border-color:var(--brand-400);
  background:rgba(48,136,200,.12);
  transform:translateY(-3px);
  color:var(--surface);
  text-decoration:none;
}
.ref-badge__mark{
  position:relative;
  flex:0 0 auto;
  width:42px;
  height:42px;
  border:2px solid var(--brand-400);
  background:rgba(48,136,200,.16);
  clip-path:polygon(50% 0,100% 26%,100% 74%,50% 100%,0 74%,0 26%);
}
.ref-badge__mark::before{
  /* içerideki çapraz iskele işareti */
  content:"";
  position:absolute;
  inset:9px;
  background:
    linear-gradient(45deg,transparent 42%,var(--brand-300) 42% 58%,transparent 58%),
    linear-gradient(-45deg,transparent 42%,var(--brand-300) 42% 58%,transparent 58%);
}
.ref-badge__mark svg{width:100%;height:100%;fill:var(--brand-300);stroke:none}
.ref-badge__name{
  display:block;
  font-family:var(--font-head);
  font-size:var(--fs-md);
  font-weight:700;
  letter-spacing:.02em;
  text-transform:uppercase;
  line-height:1.15;
  color:var(--surface);
  white-space:nowrap;
}
.ref-badge__sub{
  display:block;
  margin-top:2px;
  font-size:var(--fs-3xs);
  font-weight:600;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--brand-300);
  white-space:nowrap;
}
/* Açık zeminde rozet */
.section:not(.section--dark) .ref-badge,
.marquee--light .ref-badge{
  border-color:var(--line);
  background:var(--surface);
  color:var(--navy-900);
  box-shadow:var(--sh-1);
}
.section:not(.section--dark) .ref-badge:hover,
.marquee--light .ref-badge:hover{background:var(--brand-50);border-color:var(--brand-400)}
.section:not(.section--dark) .ref-badge__name,
.marquee--light .ref-badge__name{color:var(--navy-900)}
.section:not(.section--dark) .ref-badge__sub,
.marquee--light .ref-badge__sub{color:var(--muted)}
.section:not(.section--dark) .ref-badge__mark,
.marquee--light .ref-badge__mark{border-color:var(--brand-500);background:var(--brand-50)}
.section:not(.section--dark) .ref-badge__mark::before,
.marquee--light .ref-badge__mark::before{
  background:
    linear-gradient(45deg,transparent 42%,var(--brand-500) 42% 58%,transparent 58%),
    linear-gradient(-45deg,transparent 42%,var(--brand-500) 42% 58%,transparent 58%);
}

/* =============================================================================
   20) REFERANS LİSTESİ (ref-grid / ref-table)
   ========================================================================== */
.ref-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
  margin:0;
  padding:0;
  list-style:none;
}
.ref-grid > li{margin:0;display:flex}
.ref-grid .ref-badge{width:100%;min-width:0}
.ref-grid .ref-badge__name,
.ref-grid .ref-badge__sub{white-space:normal}

.ref-table{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--surface);
  font-size:var(--fs-sm);
}
.ref-table caption{
  padding:0 0 12px;
  text-align:left;
  font-size:var(--fs-2xs);
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
}
.ref-table th,
.ref-table td{
  padding:13px 16px;
  text-align:left;
  vertical-align:top;
  border-bottom:1px solid var(--line);
}
.ref-table thead th{
  background:var(--navy-900);
  color:var(--surface);
  font-family:var(--font-head);
  font-size:var(--fs-sm);
  font-weight:700;
  letter-spacing:.04em;
  text-transform:uppercase;
  border-bottom:2px solid var(--brand-500);
}
.ref-table tbody tr:nth-child(even){background:var(--surface-2)}
.ref-table tbody tr:hover{background:var(--brand-50)}
.ref-table tbody tr:last-child th,
.ref-table tbody tr:last-child td{border-bottom:0}
.ref-table td strong{color:var(--navy-900)}
.section--dark .ref-table{background:var(--navy-800);border-color:var(--line-invert);color:var(--ink-invert-2)}
.section--dark .ref-table th,
.section--dark .ref-table td{border-bottom-color:var(--line-invert)}
.section--dark .ref-table tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.section--dark .ref-table tbody tr:hover{background:rgba(48,136,200,.14)}
.section--dark .ref-table td strong{color:var(--surface)}

.ref-table th[scope="row"]{
  font-weight:700;
  color:var(--navy-900);
  white-space:nowrap;
}
.section--dark .ref-table th[scope="row"]{color:var(--surface)}

/* Dar ekranda tabloyu yatay kaydırılabilir yapan sarmalayıcı */
.table-wrap{
  width:100%;
  max-width:100%;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}

/* -----------------------------------------------------------------------------
   Yer tutucu uyarısı — referans/proje/yorum bölümlerinin başında
   -------------------------------------------------------------------------- */
.placeholder-note{
  display:block;
  max-width:720px;
  margin:0 auto 24px;
  padding:10px 14px;
  border:1px dashed var(--line);
  border-left:3px solid var(--brand-500);
  border-radius:var(--r-sm);
  background:transparent;
  font-size:.82rem;
  font-style:normal;
  font-weight:500;
  line-height:1.6;
  color:var(--muted);
}
.section__head + .placeholder-note{margin-top:-8px}
.placeholder-note a{color:var(--brand-500);text-decoration:underline}

/* Koyu zeminlerde de okunur */
.section--dark .placeholder-note,
.cta-band .placeholder-note,
.page-hero .placeholder-note,
.hero .placeholder-note,
.site-footer .placeholder-note{
  border-color:rgba(255,255,255,.28);
  border-left-color:var(--brand-300);
  color:var(--ink-invert-2);
}
.section--dark .placeholder-note a,
.cta-band .placeholder-note a,
.site-footer .placeholder-note a{color:var(--brand-300)}

/* =============================================================================
   21) BLOG KARTLARI
   ========================================================================== */
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
  margin:0;
  padding:0;
  list-style:none;
}
.post-card{
  position:relative;
  display:flex;
  flex-direction:column;
  margin:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform var(--t) var(--ease),
             box-shadow var(--t) var(--ease),
             border-color var(--t) var(--ease);
}
.post-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  z-index:3;
  height:3px;
  background:var(--brand-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--t) var(--ease);
}
.post-card:hover{
  transform:translateY(-6px);
  border-color:var(--brand-300);
  box-shadow:var(--sh-2);
}
.post-card:hover::before{transform:scaleX(1)}
.post-card__media img{transition:transform var(--t-slow) var(--ease)}
.post-card:hover .post-card__media img{transform:scale(1.05)}
.post-card__body{
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
  padding:clamp(18px,2.1vw,26px);
}
.post-card__meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px 14px;
  margin:0;
  font-size:var(--fs-3xs);
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--brand-500);
}
.post-card__meta > * + *::before{
  content:"";
  display:inline-block;
  width:4px;
  height:4px;
  margin-right:10px;
  background:var(--brand-300);
  vertical-align:middle;
}
.post-card__meta time{color:var(--muted)}
.post-card__title{
  margin:0;
  font-family:var(--font-head);
  font-size:var(--fs-xl);
  font-weight:700;
  line-height:1.16;
  letter-spacing:-0.01em;
  color:var(--navy-900);
}
.post-card__title a{color:inherit;text-decoration:none}
.post-card__title a:hover{color:var(--brand-500);text-decoration:none}
.post-card__text{
  margin:0;
  flex:1 1 auto;
  font-size:var(--fs-sm);
  line-height:1.72;
  color:var(--ink-2);
}
.post-card .btn,
.post-card__body > .svc-card__link{margin-top:6px;align-self:flex-start}
.section--dark .post-card{background:var(--navy-800);border-color:var(--line-invert);box-shadow:none}
.section--dark .post-card__title{color:var(--surface)}
.section--dark .post-card__text{color:var(--ink-invert-2)}
.section--dark .post-card__meta{color:var(--brand-300)}
.section--dark .post-card__meta time{color:var(--ink-invert-3)}

/* =============================================================================
   22) MAKALE (article)
   ========================================================================== */
.article{max-width:820px;margin-inline:auto}
.article--wide{max-width:none}

.article__hero{
  margin:0 0 clamp(20px,3vw,34px);
  border-radius:var(--r-md);
  box-shadow:var(--sh-2);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%);
}
.article__meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 18px;
  margin:0 0 22px;
  padding:0 0 16px;
  border-bottom:1px solid var(--line);
  font-size:var(--fs-2xs);
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--muted);
}
.article__meta .ico{width:15px;height:15px;color:var(--brand-500)}
.article__meta > span,
.article__meta > time,
.article__meta > a{display:inline-flex;align-items:center;gap:7px}

.article__body{
  font-size:var(--fs-md);
  line-height:1.85;
  color:var(--ink-2);
}
.article__body > * + *{margin-top:1.05em}
.article__body h2{
  margin-top:1.6em;
  padding-left:16px;
  border-left:4px solid var(--brand-500);
  font-size:var(--fs-2xl);
  letter-spacing:-0.01em;
  color:var(--navy-900);
}
.article__body h3{
  margin-top:1.5em;
  font-size:var(--fs-xl);
  color:var(--navy-800);
}
.article__body h4{margin-top:1.4em;color:var(--navy-800)}
.article__body ol{padding-left:1.3em}
.article__body li{margin-bottom:.5em}
.article__body ul{list-style:none;padding-left:0}
.article__body ul > li{position:relative;padding-left:26px}
.article__body ul > li::before{
  content:"";
  position:absolute;
  left:0;
  top:.66em;
  width:10px;
  height:10px;
  background:var(--brand-500);
  clip-path:polygon(0 0,100% 0,100% 100%);
}
.article__body a{color:var(--brand-500);text-decoration:underline}
.article__body a:hover{color:var(--brand-700)}
.article__body blockquote{
  margin:1.6em 0;
  padding:20px 24px;
  border-left:4px solid var(--brand-500);
  background:var(--brand-50);
  font-size:var(--fs-lg);
  line-height:1.6;
  color:var(--navy-800);
}
.article__body blockquote cite{
  display:block;
  margin-top:10px;
  font-size:var(--fs-2xs);
  font-style:normal;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--muted);
}
.article__body img,
.article__body figure{margin-block:1.5em;border-radius:var(--r-md)}
.article__body figcaption{
  margin-top:8px;
  font-size:var(--fs-2xs);
  color:var(--muted);
  text-align:center;
}
.article__body table{
  margin-block:1.5em;
  border:1px solid var(--line);
  font-size:var(--fs-sm);
}
.article__body th,
.article__body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
.article__body thead th{
  background:var(--navy-900);
  color:var(--surface);
  text-transform:uppercase;
  letter-spacing:.05em;
}

/* İçindekiler */
.toc{
  margin:0 0 clamp(22px,3vw,34px);
  padding:20px 24px;
  border:1px solid var(--line);
  border-left:4px solid var(--brand-500);
  border-radius:var(--r-md);
  background:var(--surface-2);
}
.toc > strong,
.toc > h2,
.toc > p:first-child{
  display:block;
  margin:0 0 10px;
  font-family:var(--font-head);
  font-size:var(--fs-md);
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--navy-900);
}
.toc ol,
.toc ul{margin:0;padding-left:0;list-style:none;counter-reset:toc}
.toc li{margin:0;padding:5px 0;border-bottom:1px dashed rgba(16,32,64,.14)}
.toc li:last-child{border-bottom:0}
.toc a{
  display:inline-flex;
  align-items:baseline;
  gap:10px;
  font-size:var(--fs-sm);
  font-weight:600;
  color:var(--navy-800);
  text-decoration:none;
}
.toc ol > li{counter-increment:toc}
.toc ol > li > a::before{
  content:counter(toc,decimal-leading-zero);
  font-family:var(--font-head);
  font-weight:800;
  color:var(--brand-500);
}
.toc a:hover{color:var(--brand-500);text-decoration:none}

/* Bilgi / uyarı kutusu */
.note{
  position:relative;
  margin:1.6em 0;
  padding:18px 22px;
  border:1px solid rgba(8,104,184,.24);
  border-left:4px solid var(--brand-500);
  border-radius:var(--r-md);
  background:var(--brand-50);
  font-size:var(--fs-sm);
  line-height:1.72;
  color:var(--navy-800);
}
.note strong{color:var(--navy-900)}
.note > :first-child{margin-top:0}
.note > :last-child{margin-bottom:0}
.note--warn{
  border-color:rgba(214,69,69,.3);
  border-left-color:var(--err);
  background:rgba(214,69,69,.07);
  color:#7A2222;
}
.note--warn strong{color:#5E1919}
.section--dark .note{
  background:rgba(48,136,200,.14);
  border-color:rgba(90,166,220,.3);
  color:var(--ink-invert);
}
.section--dark .note--warn{
  background:rgba(214,69,69,.16);
  border-color:rgba(214,69,69,.4);
  color:#FFD3D3;
}
.section--dark .note strong,
.section--dark .note--warn strong{color:var(--surface)}

/* =============================================================================
   23) SSS (faq)
   ========================================================================== */
.faq{
  max-width:900px;
  margin-inline:auto;
  border-top:1px solid var(--line);
}
.section--dark .faq{border-color:var(--line-invert)}
.faq__item{border-bottom:1px solid var(--line)}
.section--dark .faq__item{border-color:var(--line-invert)}
.faq__q{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:100%;
  padding:20px 8px 20px 0;
  text-align:left;
  font-family:var(--font-head);
  font-size:var(--fs-lg);
  font-weight:700;
  letter-spacing:-0.005em;
  line-height:1.3;
  color:var(--navy-900);
  cursor:pointer;
  transition:color var(--t-fast) var(--ease);
}
.section--dark .faq__q{color:var(--surface)}
.faq__q:hover{color:var(--brand-500)}
.section--dark .faq__q:hover{color:var(--brand-300)}
.faq__q::after{
  /* artı -> eksi dönüşen gösterge */
  content:"";
  flex:0 0 auto;
  width:22px;
  height:22px;
  background:
    linear-gradient(var(--brand-500),var(--brand-500)) center/2px 100% no-repeat,
    linear-gradient(var(--brand-500),var(--brand-500)) center/100% 2px no-repeat;
  transition:transform var(--t) var(--ease);
}
.section--dark .faq__q::after{
  background:
    linear-gradient(var(--brand-300),var(--brand-300)) center/2px 100% no-repeat,
    linear-gradient(var(--brand-300),var(--brand-300)) center/100% 2px no-repeat;
}
.faq__q[aria-expanded="true"]{color:var(--brand-500)}
.section--dark .faq__q[aria-expanded="true"]{color:var(--brand-300)}
.faq__q[aria-expanded="true"]::after{
  transform:rotate(180deg);
  background:linear-gradient(var(--brand-500),var(--brand-500)) center/100% 2px no-repeat;
}
.section--dark .faq__q[aria-expanded="true"]::after{
  background:linear-gradient(var(--brand-300),var(--brand-300)) center/100% 2px no-repeat;
}
.faq__a{
  padding:0 46px 22px 0;
  font-size:var(--fs-sm);
  line-height:1.8;
  color:var(--ink-2);
  animation:faq-in var(--t) var(--ease) both;
}
.section--dark .faq__a{color:var(--ink-invert-2)}
.faq__a > :last-child{margin-bottom:0}
@keyframes faq-in{
  from{opacity:0;transform:translateY(-6px)}
  to{opacity:1;transform:none}
}

/* =============================================================================
   24) CTA BANDI — diyagonal koyu gradient
   ========================================================================== */
.cta-band{
  position:relative;
  background:var(--grad-deep);
  color:var(--surface);
  overflow:hidden;
  isolation:isolate;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(135deg,
    rgba(255,255,255,.05) 0 2px,
    transparent 2px 16px);
}
.cta-band::after{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  right:0;
  width:min(380px,42%);
  pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(90,166,220,.22));
  clip-path:polygon(42% 0,100% 0,100% 100%,0 100%);
}
.cta-band__inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:clamp(20px,3vw,40px);
  max-width:var(--container);
  margin-inline:auto;
  padding:clamp(36px,5vw,66px) var(--container-pad);
}
.cta-band__title{
  margin:0;
  max-width:26ch;
  font-family:var(--font-head);
  font-size:var(--fs-2xl);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-0.01em;
  color:var(--surface);
}
.cta-band__title span,
.cta-band__title em{font-style:normal;color:var(--brand-300)}
.cta-band__inner > p{max-width:54ch;margin:0;color:var(--ink-invert-2)}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-band .btn + .btn{margin-left:0}

/* =============================================================================
   25) FORMLAR
   ========================================================================== */
.form{
  display:flex;
  flex-direction:column;
  gap:var(--sp-5);
  width:100%;
}
.form__row{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--sp-5);
}
.form__row--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.form__row--1{grid-template-columns:1fr}

.form__group{
  display:flex;
  flex-direction:column;
  gap:7px;
  min-width:0;
}
.form__group--full{grid-column:1 / -1}

.form__label{
  font-size:var(--fs-2xs);
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--navy-800);
}
.form__label .req,
.form__label abbr{color:var(--err);text-decoration:none;margin-left:3px}
.section--dark .form__label,
.cta-band .form__label,
.site-footer .form__label{color:var(--ink-invert-2)}

.form__input,
.form__select,
.form__textarea{
  width:100%;
  padding:13px 15px;
  border:1.5px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--surface);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:var(--fs-sm);
  line-height:1.5;
  appearance:none;
  -webkit-appearance:none;
  transition:border-color var(--t-fast) var(--ease),
             box-shadow var(--t-fast) var(--ease),
             background-color var(--t-fast) var(--ease);
}
.form__textarea{min-height:150px;resize:vertical}
.form__select{
  cursor:pointer;
  padding-right:44px;
  background-image:
    linear-gradient(45deg,transparent 50%,var(--navy-800) 50%),
    linear-gradient(135deg,var(--navy-800) 50%,transparent 50%);
  background-position:
    calc(100% - 22px) calc(50% + 2px),
    calc(100% - 16px) calc(50% + 2px);
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
}
.form__input::placeholder,
.form__textarea::placeholder{color:var(--muted);opacity:1}

.form__input:hover,
.form__select:hover,
.form__textarea:hover{border-color:var(--brand-300)}

.form__input:focus,
.form__select:focus,
.form__textarea:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(8,104,184,.2);
}
.form__input:focus-visible,
.form__select:focus-visible,
.form__textarea:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px}

/* Koyu zeminde de okunur olmalı */
.section--dark .form__input,
.section--dark .form__select,
.section--dark .form__textarea,
.cta-band .form__input,
.cta-band .form__select,
.cta-band .form__textarea,
.site-footer .form__input,
.site-footer .form__select,
.site-footer .form__textarea{
  background:rgba(255,255,255,.07);
  border-color:rgba(255,255,255,.26);
  color:var(--surface);
}
.section--dark .form__input::placeholder,
.section--dark .form__textarea::placeholder,
.cta-band .form__input::placeholder,
.cta-band .form__textarea::placeholder,
.site-footer .form__input::placeholder,
.site-footer .form__textarea::placeholder{color:var(--ink-invert-3)}
.section--dark .form__select,
.cta-band .form__select,
.site-footer .form__select{
  background-image:
    linear-gradient(45deg,transparent 50%,#FFFFFF 50%),
    linear-gradient(135deg,#FFFFFF 50%,transparent 50%);
}
.section--dark .form__select option,
.cta-band .form__select option,
.site-footer .form__select option{background:var(--navy-900);color:var(--surface)}
.section--dark .form__input:hover,
.section--dark .form__select:hover,
.section--dark .form__textarea:hover,
.cta-band .form__input:hover,
.site-footer .form__input:hover{border-color:rgba(255,255,255,.48)}

/* Hata durumu */
.form__input.is-invalid,
.form__select.is-invalid,
.form__textarea.is-invalid,
.is-invalid > .form__input,
.is-invalid > .form__select,
.is-invalid > .form__textarea{
  border-color:var(--err);
  background:rgba(214,69,69,.05);
}
.form__input.is-invalid:focus,
.form__select.is-invalid:focus,
.form__textarea.is-invalid:focus{box-shadow:0 0 0 3px rgba(214,69,69,.22)}
.section--dark .form__input.is-invalid,
.section--dark .form__select.is-invalid,
.section--dark .form__textarea.is-invalid{background:rgba(214,69,69,.16);border-color:#F08A8A}

.form__error{
  display:block;
  font-size:var(--fs-2xs);
  font-weight:600;
  line-height:1.45;
  color:var(--err);
}
.form__error::before{
  content:"";
  display:inline-block;
  width:12px;
  height:12px;
  margin-right:7px;
  background:var(--err);
  clip-path:polygon(50% 0,100% 100%,0 100%);
  vertical-align:-1px;
}
.section--dark .form__error,
.cta-band .form__error{color:#FFAFAF}

.form__hint{
  display:block;
  font-size:var(--fs-2xs);
  line-height:1.5;
  color:var(--muted);
}
.section--dark .form__hint,
.cta-band .form__hint,
.site-footer .form__hint{color:var(--ink-invert-3)}

.form__consent{
  display:flex;
  align-items:flex-start;
  gap:11px;
  font-size:var(--fs-2xs);
  line-height:1.6;
  color:var(--ink-2);
  cursor:pointer;
}
.form__consent input[type="checkbox"]{
  flex:0 0 auto;
  width:20px;
  height:20px;
  margin-top:1px;
  accent-color:var(--brand-500);
  cursor:pointer;
}
.form__consent a{color:var(--brand-500);text-decoration:underline;font-weight:600}
.form__consent a:hover{color:var(--brand-700)}
.form__consent.is-invalid{color:var(--err)}
.section--dark .form__consent,
.site-footer .form__consent{color:var(--ink-invert-2)}
.section--dark .form__consent a,
.site-footer .form__consent a{color:var(--brand-300)}
.section--dark .form__consent.is-invalid{color:#FFAFAF}

/* Form durum kutusu */
.form-status{
  padding:14px 18px;
  border:1.5px solid var(--line);
  border-left-width:4px;
  border-radius:var(--r-sm);
  background:var(--surface-2);
  font-size:var(--fs-sm);
  font-weight:600;
  line-height:1.6;
  color:var(--ink-2);
}
.form-status.is-ok{
  border-color:rgba(30,158,98,.4);
  border-left-color:var(--ok);
  background:rgba(30,158,98,.1);
  color:#145C3C;
}
.form-status.is-invalid{
  border-color:rgba(214,69,69,.4);
  border-left-color:var(--err);
  background:rgba(214,69,69,.09);
  color:#8C2020;
}
.section--dark .form-status,
.cta-band .form-status{
  background:rgba(255,255,255,.06);
  border-color:var(--line-invert);
  color:var(--ink-invert-2);
}
.section--dark .form-status.is-ok,
.cta-band .form-status.is-ok{background:rgba(30,158,98,.18);border-left-color:var(--ok);color:#BFEBD7}
.section--dark .form-status.is-invalid,
.cta-band .form-status.is-invalid{background:rgba(214,69,69,.18);border-left-color:var(--err);color:#FFC9C9}

.form > .btn{align-self:flex-start}

/* Harita gömme kutusu */
.map-embed{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--media-holder);
}
.map-embed iframe{width:100%;height:100%;border:0;display:block}

/* =============================================================================
   26) FOOTER — #22397D zemin
   ========================================================================== */
.site-footer{
  position:relative;
  background:var(--navy-700);
  color:var(--ink-invert-2);
  font-size:var(--fs-sm);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 72%);
  mask-image:linear-gradient(180deg,#000,transparent 72%);
}
.site-footer::after{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,var(--brand-400) 0 180px,rgba(90,166,220,.2) 180px 100%);
}
.site-footer h1,.site-footer h2,.site-footer h3{color:var(--surface)}

.footer__grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.35fr;
  gap:clamp(28px,3.4vw,52px);
  padding-block:clamp(48px,6vw,84px);
}
.footer__col{min-width:0}
.footer__col--brand{max-width:420px}

.brand--footer{
  display:block;
  margin-bottom:18px;
}

.footer__about{
  margin:0 0 20px;
  font-size:var(--fs-sm);
  line-height:1.8;
  color:var(--ink-invert-2);
}

.footer__title{
  margin:0 0 18px;
  padding-bottom:12px;
  border-bottom:1px solid rgba(255,255,255,.16);
  font-family:var(--font-head);
  font-size:var(--fs-lg);
  font-weight:700;
  letter-spacing:.02em;
  text-transform:uppercase;
  color:var(--surface);
}
.footer__title::after{
  content:"";
  display:block;
  width:44px;
  height:2px;
  margin-top:12px;
  margin-bottom:-13px;
  background:var(--brand-300);
}

.footer__list{margin:0;padding:0;list-style:none}
.footer__list li{margin:0}
.footer__list a{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:6px 0;
  font-size:var(--fs-sm);
  color:var(--ink-invert-2);
  text-decoration:none;
}
.footer__list a::before{
  content:"";
  width:7px;
  height:7px;
  flex:0 0 auto;
  background:var(--brand-300);
  clip-path:polygon(0 0,100% 50%,0 100%);
  opacity:.8;
  transition:transform var(--t-fast) var(--ease),opacity var(--t-fast) var(--ease);
}
.footer__list a:hover{color:var(--surface);text-decoration:none}
.footer__list a:hover::before{transform:translateX(4px);opacity:1}

.footer__contact{font-style:normal;margin:0 0 20px}
.footer__contact-row{
  display:flex;
  align-items:flex-start;
  gap:11px;
  margin:0 0 12px;
  font-size:var(--fs-sm);
  line-height:1.6;
  color:var(--ink-invert-2);
}
.footer__contact-row:last-child{margin-bottom:0}
.footer__contact-row .ico{
  width:17px;
  height:17px;
  margin-top:.28em;
  color:var(--brand-300);
  stroke-width:1.7;
}
.footer__contact-row a{color:var(--ink-invert-2);text-decoration:none}
.footer__contact-row a:hover{color:var(--surface);text-decoration:underline}

/* Sosyal medya */
.social{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
}
.social li{margin:0}
.social__link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  color:var(--ink-invert);
  transition:background-color var(--t-fast) var(--ease),
             border-color var(--t-fast) var(--ease),
             color var(--t-fast) var(--ease),
             transform var(--t-fast) var(--ease);
}
.social__link .ico{width:20px;height:20px}
.social__link:hover{
  background:var(--surface);
  border-color:var(--surface);
  color:var(--navy-700);
  transform:translateY(-3px);
  text-decoration:none;
}

/* Alt bar */
.footer__bar{
  position:relative;
  z-index:1;
  background:var(--navy-800);
  border-top:1px solid rgba(255,255,255,.1);
}
.footer__bar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px 24px;
  padding-block:18px;
}
.footer__copy{
  margin:0;
  font-size:var(--fs-2xs);
  color:var(--ink-invert-3);
}
.footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 20px;
  margin:0;
  padding:0;
  list-style:none;
}
.footer__legal li{margin:0}
.footer__legal a{
  font-size:var(--fs-2xs);
  font-weight:600;
  letter-spacing:.03em;
  color:var(--ink-invert-3);
  text-decoration:none;
}
.footer__legal a:hover{color:var(--surface);text-decoration:underline}

/* =============================================================================
   27) YÜZEN ÖĞELER: WhatsApp / Yukarı çık / Mobil çubuk
   ========================================================================== */
.wa-float{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:var(--z-float);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:58px;
  height:58px;
  border-radius:50%;
  background:var(--wa);
  color:#06301A;
  box-shadow:0 8px 22px rgba(37,211,102,.34),0 2px 6px rgba(0,0,0,.2);
  transition:transform var(--t) var(--ease),
             box-shadow var(--t) var(--ease),
             background-color var(--t) var(--ease);
}
.wa-float svg{
  width:30px;
  height:30px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.wa-float svg path:last-child{fill:currentColor;stroke:none}
.wa-float:hover{
  background:#1EBE5A;
  color:#04240F;
  transform:translateY(-3px) scale(1.04);
  box-shadow:0 12px 28px rgba(37,211,102,.42);
  text-decoration:none;
}
.wa-float::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:50%;
  border:2px solid rgba(37,211,102,.5);
  animation:wa-pulse 2.6s var(--ease) infinite;
  pointer-events:none;
}
@keyframes wa-pulse{
  0%{transform:scale(1);opacity:.6}
  70%{transform:scale(1.42);opacity:0}
  100%{transform:scale(1.42);opacity:0}
}

.to-top{
  position:fixed;
  right:24px;
  bottom:94px;
  z-index:var(--z-float);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:48px;
  height:48px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-sm);
  background:var(--navy-900);
  color:var(--surface);
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity var(--t) var(--ease),
             transform var(--t) var(--ease),
             visibility var(--t) var(--ease),
             background-color var(--t-fast) var(--ease),
             color var(--t-fast) var(--ease);
}
.to-top svg{
  width:22px;
  height:22px;
  fill:none;
  stroke:currentColor;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-500);border-color:var(--brand-500);color:var(--on-brand)}

/* Mobil hızlı iletişim çubuğu — masaüstünde gizli (responsive.css'te açılır) */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:var(--z-mobilebar);
  grid-template-columns:repeat(3,1fr);
  align-items:stretch;
  background:var(--navy-900);
  border-top:1px solid rgba(255,255,255,.14);
  box-shadow:0 -8px 22px rgba(0,0,0,.28);
  padding-bottom:env(safe-area-inset-bottom,0);
}
.mobile-bar__item{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  padding:9px 6px;
  min-height:60px;
  border-right:1px solid rgba(255,255,255,.12);
  color:var(--ink-invert);
  font-size:var(--fs-3xs);
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  text-align:center;
  text-decoration:none;
  transition:background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.mobile-bar__item:last-child{border-right:0}
.mobile-bar__item .ico{width:21px;height:21px;color:var(--brand-300)}
.mobile-bar__item:hover,
.mobile-bar__item:active{background:rgba(255,255,255,.08);color:var(--surface);text-decoration:none}
.mobile-bar__item--cta{background:var(--brand-500);color:var(--on-brand)}
.mobile-bar__item--cta .ico{color:var(--on-brand)}
.mobile-bar__item--cta:hover,
.mobile-bar__item--cta:active{background:var(--brand-400);color:var(--on-brand)}

/* =============================================================================
   28) SCROLL-REVEAL + DURUM SINIFLARI
   ========================================================================== */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:.7s cubic-bezier(.2,.7,.2,1);
  transition-property:opacity,transform;
  will-change:opacity,transform;
}
.reveal.is-visible{opacity:1;transform:none}

/* JS yoksa içerik her zaman görünür kalmalı */
html.no-js .reveal{opacity:1;transform:none;transition:none}

/* Kademeli gecikme yardımcıları */
.reveal[data-delay="1"]{transition-delay:.08s}
.reveal[data-delay="2"]{transition-delay:.16s}
.reveal[data-delay="3"]{transition-delay:.24s}
.reveal[data-delay="4"]{transition-delay:.32s}
.reveal[data-delay="5"]{transition-delay:.4s}

/* =============================================================================
   29) GENEL YARDIMCI SINIFLAR
   ========================================================================== */
.text-center{text-align:center}
.text-left{text-align:left}
.text-right{text-align:right}
.mt-0{margin-top:0}
.mb-0{margin-bottom:0}
.mt-4{margin-top:var(--sp-4)}
.mt-6{margin-top:var(--sp-6)}
.mt-8{margin-top:var(--sp-8)}
.mt-10{margin-top:var(--sp-10)}
.mb-4{margin-bottom:var(--sp-4)}
.mb-6{margin-bottom:var(--sp-6)}
.mb-8{margin-bottom:var(--sp-8)}
.mb-10{margin-bottom:var(--sp-10)}
.stack{display:flex;flex-direction:column;gap:var(--sp-5)}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.center-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
  margin-top:clamp(28px,4vw,44px);
}
.accent-line{
  display:block;
  width:64px;
  height:3px;
  margin:0 0 18px;
  background:var(--brand-500);
}
.text-center .accent-line{margin-inline:auto}
.lead{font-size:var(--fs-lg);line-height:1.75;color:var(--ink-2)}
.muted{color:var(--muted)}
.section--dark .muted{color:var(--ink-invert-3)}
.nowrap{white-space:nowrap}
.full-bleed{width:100%}

/* =============================================================================
   28b) İÇ SAYFA HERO GÖRSELİ (.page-hero__media)
   Bu kurallar olmadan iç sayfalardaki 1600x900 hero fotoğrafı normal akışta
   doğal boyutunda render ediliyor ve hero bölümü 2000px+ yüksekliğe çıkıyordu.
   Ana sayfadaki .hero__media ile aynı mantık, daha kompakt yükseklikle.
   ========================================================================== */
.page-hero{
  display:flex;
  align-items:center;
  min-height:min(46vh,400px);
}
.page-hero__media{
  position:absolute;
  inset:0;
  z-index:0;
  background:var(--media-holder);
  overflow:hidden;
}
.page-hero__media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 45%;
  filter:saturate(.85) contrast(1.03);
}
/* Fotoğraf üzerindeki beyaz metnin kontrastı AA'yı geçsin diye koyu perde */
.page-hero__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(100deg,
      rgba(11,20,40,.93) 0%,
      rgba(11,20,40,.84) 38%,
      rgba(11,20,40,.66) 68%,
      rgba(16,64,152,.50) 100%),
    linear-gradient(180deg,
      rgba(11,20,40,.55) 0%,
      rgba(11,20,40,.25) 45%,
      rgba(11,20,40,.68) 100%);
}
/* Dekoratif ızgara/kama katmanları fotoğrafın üstünde, metnin altında kalsın */
.page-hero::before,
.page-hero::after{z-index:1}
.page-hero__inner{z-index:2;width:100%}

/* =============================================================================
   28c) REFERANS ROZETİ TAŞMA KORUMASI
   .ref-badge bir flex satırı; flex çocukları varsayılan min-width:auto ile
   içerik genişliğinin altına inemediği için dar kolonlarda rozetin dışına
   taşıyordu. min-width:0 çocukların küçülmesine, kelime kırma ise uzun
   firma adlarının satır atlamasına izin verir.
   ========================================================================== */
.ref-badge > *{min-width:0}
.ref-badge__name,
.ref-badge__sub{overflow-wrap:anywhere}