/* ==========================================================================
   Öntel Bilişim — Kurumsal Web Sitesi
   Tasarım sistemi / stil dosyası
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Renk paleti */
  --ink-900: #05132e;
  --ink-800: #071b3d;
  --ink-700: #0b2450;
  --ink-600: #123064;
  --ink-500: #1b3f7d;

  --blue-600: #1552d6;
  --blue-500: #2f6bff;
  --blue-400: #5b8cff;
  --blue-100: #e5edff;
  --blue-050: #f2f6ff;

  --cyan-500: #00b5d8;
  --cyan-400: #22cfe8;

  --slate-900: #0d1526;
  --slate-700: #33405c;
  --slate-600: #4c5a79;
  --slate-500: #6b7996;
  --slate-400: #94a1bb;
  --slate-300: #c3ccdd;
  --slate-200: #dfe5ef;
  --slate-100: #eef2f8;
  --slate-050: #f7f9fc;
  --white: #ffffff;

  --success: #0e9f6e;
  --amber: #f5a524;

  /* Tipografi */
  --font-display: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  /* Ölçek */
  --step--1: clamp(0.82rem, 0.79rem + 0.14vw, 0.9rem);
  --step-0: clamp(0.97rem, 0.94rem + 0.16vw, 1.06rem);
  --step-1: clamp(1.12rem, 1.05rem + 0.34vw, 1.32rem);
  --step-2: clamp(1.32rem, 1.18rem + 0.66vw, 1.72rem);
  --step-3: clamp(1.6rem, 1.34rem + 1.2vw, 2.3rem);
  --step-4: clamp(1.95rem, 1.5rem + 2vw, 3.05rem);
  --step-5: clamp(2.3rem, 1.6rem + 3.1vw, 4rem);

  /* Yapı */
  --container: 1200px;
  --container-narrow: 860px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --shadow-xs: 0 1px 2px rgba(7, 27, 61, 0.06);
  --shadow-sm: 0 2px 8px rgba(7, 27, 61, 0.06), 0 1px 2px rgba(7, 27, 61, 0.04);
  --shadow-md: 0 12px 28px -12px rgba(7, 27, 61, 0.18), 0 2px 6px rgba(7, 27, 61, 0.05);
  --shadow-lg: 0 28px 60px -24px rgba(7, 27, 61, 0.28), 0 4px 12px rgba(7, 27, 61, 0.06);
  --shadow-blue: 0 18px 40px -18px rgba(21, 82, 214, 0.55);

  --header-h: 76px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--slate-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--blue-500); }
button { font: inherit; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--ink-800);
  line-height: 1.18;
  letter-spacing: -0.022em;
  margin: 0 0 0.5em;
  font-weight: 800;
}
h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }
p { margin: 0 0 1.15em; }
ul, ol { margin: 0 0 1.15em; padding-left: 1.2em; }
li { margin-bottom: 0.5em; }
strong { color: var(--ink-700); font-weight: 650; }

:focus-visible {
  outline: 3px solid var(--blue-500);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--blue-100); color: var(--ink-800); }

/* ---------- 3. Yardımcılar ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 40px);
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: clamp(56px, 8vw, 104px); }
.section--tight { padding-block: clamp(40px, 5vw, 64px); }
.section--tint { background: var(--slate-050); }
.section--blue {
  background: linear-gradient(165deg, var(--ink-800) 0%, var(--ink-700) 55%, var(--ink-600) 100%);
  color: rgba(255, 255, 255, 0.78);
}
.section--blue h2, .section--blue h3, .section--blue h4 { color: #fff; }

.skip-link {
  position: absolute; left: 12px; top: -70px; z-index: 999;
  background: var(--ink-800); color: #fff; padding: 12px 20px;
  border-radius: 0 0 10px 10px; transition: top .2s var(--ease);
}
.skip-link:focus { top: 0; color: #fff; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Bölüm başlığı bloğu */
.section-head { max-width: 720px; margin-bottom: clamp(32px, 4vw, 56px); }
.section-head--center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-size: 0.775rem; font-weight: 700; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--blue-600);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--blue-500), var(--cyan-500));
}
.section--blue .eyebrow { color: var(--cyan-400); }
.section-head p { font-size: var(--step-1); color: var(--slate-600); margin-bottom: 0; }
.section--blue .section-head p { color: rgba(255,255,255,.72); }
.section-head--center .eyebrow { justify-content: center; }

/* Butonlar */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 0.95rem;
  padding: 14px 26px; border-radius: 999px; border: 1.5px solid transparent;
  cursor: pointer; transition: all .25s var(--ease); white-space: nowrap;
  letter-spacing: -0.01em;
}
.btn svg { width: 18px; height: 18px; flex: none; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff; box-shadow: var(--shadow-blue);
}
.btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 22px 45px -18px rgba(21,82,214,.7); }
.btn--ghost { background: transparent; color: var(--ink-700); border-color: var(--slate-300); }
.btn--ghost:hover { border-color: var(--ink-700); color: var(--ink-800); background: var(--white); transform: translateY(-2px); }
.btn--light { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.28); backdrop-filter: blur(6px); }
.btn--light:hover { background: rgba(255,255,255,.2); color: #fff; transform: translateY(-2px); }
.btn--white { background: #fff; color: var(--ink-800); }
.btn--white:hover { color: var(--ink-900); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn--sm { padding: 10px 18px; font-size: 0.86rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-display); font-weight: 700; font-size: 0.9rem;
  color: var(--blue-600);
}
.link-arrow svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 4. Üst bar + Header ---------- */
.topbar {
  background: var(--ink-900);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; min-height: 40px;
}
.topbar__list { display: flex; align-items: center; gap: 22px; list-style: none; margin: 0; padding: 0; }
.topbar__list li { margin: 0; }
.topbar a { color: rgba(255,255,255,.78); display: inline-flex; align-items: center; gap: 7px; }
.topbar a:hover { color: #fff; }
.topbar svg { width: 15px; height: 15px; opacity: .75; }
.topbar__tag { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; }
.topbar__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan-400); box-shadow: 0 0 0 3px rgba(34,207,232,.2); }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--slate-200);
  transition: box-shadow .25s var(--ease), background .25s var(--ease);
}
.site-header.is-stuck { box-shadow: var(--shadow-md); background: rgba(255,255,255,.96); }
.header__inner {
  display: flex; align-items: center; gap: 28px;
  min-height: var(--header-h);
}
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand svg { height: 40px; width: auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name {
  font-family: var(--font-display); font-weight: 800; font-size: 1.24rem;
  color: var(--ink-800); letter-spacing: -0.03em;
}
.brand__sub {
  font-size: 0.61rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--slate-500); font-weight: 600;
}

/* Ana menü */
.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav__list > li { margin: 0; position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 14px; border-radius: 10px;
  font-family: var(--font-display); font-weight: 650; font-size: 0.925rem;
  color: var(--slate-700); letter-spacing: -0.012em; white-space: nowrap;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav__link:hover, .nav__item.is-open > .nav__link { color: var(--ink-800); background: var(--slate-100); }
.nav__link[aria-current="page"] { color: var(--blue-600); }
.nav__caret { width: 14px; height: 14px; opacity: .6; transition: transform .25s var(--ease); }
.nav__item.is-open .nav__caret { transform: rotate(180deg); }

.mega {
  position: absolute; top: calc(100% + 10px); left: 50%; translate: -50% 0;
  background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 22px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
  z-index: 60;
}
.nav__item.is-open .mega { opacity: 1; visibility: visible; transform: translateY(0); }
.mega--wide { width: min(940px, calc(100vw - 48px)); }
.mega--single { width: 340px; left: 0; translate: 0 0; }
.mega__grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 6px 22px; }
.mega__col { display: flex; flex-direction: column; }
.mega__title {
  font-family: var(--font-display); font-size: 0.7rem; font-weight: 800;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--slate-400);
  padding: 8px 12px 6px; margin: 0;
}
.mega__link {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 9px 12px; border-radius: 10px; color: var(--slate-700);
  transition: background .18s var(--ease), color .18s var(--ease);
}
.mega__link:hover { background: var(--blue-050); color: var(--ink-800); }
.mega__link strong { display: block; font-family: var(--font-display); font-weight: 650; font-size: 0.9rem; color: var(--ink-800); }
.mega__link span { display: block; font-size: 0.78rem; color: var(--slate-500); line-height: 1.45; }
.mega__ico {
  flex: none; width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center; background: var(--blue-050); color: var(--blue-600);
  margin-top: 1px;
}
.mega__ico svg { width: 16px; height: 16px; }
.mega__promo {
  grid-column: 1 / -1; margin-top: 14px; padding: 16px 18px;
  border-radius: var(--radius); background: linear-gradient(120deg, var(--ink-800), var(--ink-600));
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
}
.mega__promo p { margin: 0; color: rgba(255,255,255,.8); font-size: 0.88rem; }
.mega__promo strong { color: #fff; display: block; font-family: var(--font-display); font-size: 1rem; }

.header__cta { flex: none; display: flex; align-items: center; gap: 10px; }

/* Mobil menü butonu */
.burger {
  display: none; width: 44px; height: 44px; border: 1px solid var(--slate-200);
  background: #fff; border-radius: 12px; cursor: pointer;
  align-items: center; justify-content: center; flex: none;
}
.burger span { display: block; width: 18px; height: 2px; background: var(--ink-800); border-radius: 2px; position: relative; transition: all .25s var(--ease); }
.burger span::before, .burger span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--ink-800); border-radius: 2px;
  transition: all .25s var(--ease);
}
.burger span::before { top: -6px; }
.burger span::after { top: 6px; }
.burger.is-active span { background: transparent; }
.burger.is-active span::before { top: 0; transform: rotate(45deg); }
.burger.is-active span::after { top: 0; transform: rotate(-45deg); }

/* Mobil panel */
.mobile-nav {
  position: fixed; inset: 0 0 0 auto; width: min(420px, 100%);
  background: #fff; z-index: 200; transform: translateX(102%);
  visibility: hidden;
  transition: transform .32s var(--ease), visibility .32s var(--ease);
  display: flex; flex-direction: column;
}
.mobile-nav.is-open {
  transform: translateX(0); visibility: visible;
  box-shadow: -30px 0 60px -30px rgba(7,27,61,.4);
}
.mobile-nav__head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--slate-200); }
.mobile-nav__body { flex: 1; overflow-y: auto; padding: 12px 12px 28px; -webkit-overflow-scrolling: touch; }
.mobile-nav__foot { padding: 16px 20px 24px; border-top: 1px solid var(--slate-200); display: grid; gap: 10px; }
.m-item { border-bottom: 1px solid var(--slate-100); }
.m-item > a, .m-item > button {
  display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 10px;
  padding: 14px 12px; background: none; border: 0; text-align: left; cursor: pointer;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem; color: var(--ink-800);
}
.m-item svg { width: 18px; height: 18px; color: var(--slate-400); transition: transform .25s var(--ease); }
.m-item.is-open > button svg { transform: rotate(180deg); }
.m-sub { display: none; padding: 0 0 10px 12px; }
.m-item.is-open .m-sub { display: block; }
.m-sub a { display: block; padding: 9px 12px; font-size: 0.92rem; color: var(--slate-600); border-radius: 8px; }
.m-sub a:hover { background: var(--slate-050); color: var(--ink-800); }
.m-sub__label { font-size: .7rem; text-transform: uppercase; letter-spacing: .13em; color: var(--slate-400); font-weight: 800; padding: 12px 12px 4px; font-family: var(--font-display); }
.backdrop {
  position: fixed; inset: 0; background: rgba(5,19,46,.5); z-index: 150;
  opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility .3s;
  backdrop-filter: blur(2px);
}
.backdrop.is-open { opacity: 1; visibility: visible; }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: rgba(255,255,255,.82);
  background: radial-gradient(120% 120% at 85% 0%, #16386f 0%, var(--ink-800) 42%, var(--ink-900) 100%);
  padding-block: clamp(64px, 9vw, 128px);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(85% 75% at 50% 30%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(85% 75% at 50% 30%, #000 30%, transparent 100%);
}
.hero::after {
  content: ""; position: absolute; width: 620px; height: 620px; right: -180px; top: -220px;
  background: radial-gradient(circle, rgba(47,107,255,.5) 0%, transparent 62%);
  filter: blur(30px); pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.08fr 0.92fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 8px 7px 14px;
  border-radius: 999px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14);
  font-size: 0.8rem; color: rgba(255,255,255,.86); margin-bottom: 24px; backdrop-filter: blur(6px);
}
.hero__badge b { font-weight: 700; }
.hero__badge span {
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-500)); color: #fff;
  padding: 3px 10px; border-radius: 999px; font-size: 0.72rem; font-weight: 700; letter-spacing: .04em;
}
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(105deg, var(--cyan-400), var(--blue-400));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead { font-size: var(--step-1); color: rgba(255,255,255,.78); max-width: 56ch; margin-bottom: 30px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 38px; }
.hero__proof { display: flex; flex-wrap: wrap; gap: 28px 40px; }
.hero__proof div { }
.hero__proof b {
  display: block; font-family: var(--font-display); font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.15rem);
  font-weight: 800; color: #fff; letter-spacing: -0.03em; line-height: 1.1;
}
.hero__proof span { font-size: 0.83rem; color: rgba(255,255,255,.6); }

/* Hero görsel kartı */
.hero__visual { position: relative; }
.glass-card {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-xl); padding: 22px; backdrop-filter: blur(14px);
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.6);
}
.mockup { border-radius: var(--radius-lg); overflow: hidden; background: #08152f; border: 1px solid rgba(255,255,255,.1); }
.mockup__bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; background: rgba(255,255,255,.05); border-bottom: 1px solid rgba(255,255,255,.08); }
.mockup__bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.22); }
.mockup__bar span { margin-left: 8px; font-size: .72rem; color: rgba(255,255,255,.45); font-family: var(--font-body); }
.mockup__body { padding: 18px; display: grid; gap: 14px; }
.kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kpi {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px; padding: 12px;
}
.kpi small { display: block; font-size: .68rem; color: rgba(255,255,255,.5); margin-bottom: 4px; }
.kpi b { font-family: var(--font-display); font-size: 1.02rem; color: #fff; font-weight: 800; letter-spacing: -.02em; }
.kpi u { display: block; text-decoration: none; font-size: .68rem; color: var(--cyan-400); margin-top: 2px; }
.chart { height: 118px; display: flex; align-items: flex-end; gap: 7px; padding: 10px 12px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; }
.chart i { flex: 1; border-radius: 4px 4px 2px 2px; background: linear-gradient(180deg, var(--blue-400), rgba(47,107,255,.25)); animation: grow 1.1s var(--ease) backwards; }
.chart i:nth-child(4), .chart i:nth-child(8) { background: linear-gradient(180deg, var(--cyan-400), rgba(0,181,216,.25)); }
@keyframes grow { from { height: 4px !important; opacity: 0; } }
.flow-row { display: flex; align-items: center; gap: 8px; }
.flow-node {
  flex: 1; text-align: center; font-size: .68rem; color: rgba(255,255,255,.72);
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
  border-radius: 9px; padding: 8px 4px;
}
.flow-node.is-active { background: rgba(47,107,255,.25); border-color: rgba(91,140,255,.5); color: #fff; }
.flow-arrow { color: rgba(255,255,255,.3); flex: none; }
.flow-arrow svg { width: 14px; height: 14px; }

.float-badge {
  position: absolute; background: #fff; border-radius: 14px; padding: 12px 16px;
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 11px;
}
.float-badge b { font-family: var(--font-display); font-size: .88rem; color: var(--ink-800); display: block; letter-spacing: -.01em; }
.float-badge span { font-size: .72rem; color: var(--slate-500); }
.float-badge__ico { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--blue-050); color: var(--blue-600); flex: none; }
.float-badge__ico svg { width: 18px; height: 18px; }
.float-badge--tl { top: -18px; left: -26px; animation: floaty 5s ease-in-out infinite; }
.float-badge--br { bottom: -20px; right: -20px; animation: floaty 5s ease-in-out 1.6s infinite; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* Sayfa başlığı (iç sayfalar) */
.page-hero {
  position: relative; overflow: hidden; color: rgba(255,255,255,.78);
  background: radial-gradient(110% 130% at 80% -10%, #16386f 0%, var(--ink-800) 45%, var(--ink-900) 100%);
  padding-block: clamp(48px, 6vw, 84px);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(80% 90% at 30% 0%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(80% 90% at 30% 0%, #000, transparent 75%);
}
.page-hero__inner { position: relative; z-index: 2; max-width: 820px; }
.page-hero h1 { color: #fff; margin-bottom: 16px; font-size: var(--step-4); }
.page-hero p { font-size: var(--step-1); color: rgba(255,255,255,.74); margin-bottom: 0; max-width: 62ch; }

.crumbs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: .82rem; margin-bottom: 18px; padding: 0; list-style: none; }
.crumbs li { margin: 0; display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.55); }
.crumbs a { color: rgba(255,255,255,.72); }
.crumbs a:hover { color: #fff; }
.crumbs li + li::before { content: "/"; color: rgba(255,255,255,.3); }
.crumbs [aria-current] { color: #fff; }

/* ---------- 6. Kartlar / gridler ---------- */
.grid { display: grid; gap: clamp(16px, 2vw, 24px); }
.grid--1 { grid-template-columns: minmax(0,1fr); max-width: 760px; }
.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)); }

.card {
  position: relative; background: #fff; border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg); padding: clamp(22px, 2.4vw, 30px);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  display: flex; flex-direction: column; height: 100%;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card h3 { font-size: var(--step-1); margin-bottom: 10px; }
.card p { color: var(--slate-600); font-size: .945rem; margin-bottom: 16px; }
.card .link-arrow { margin-top: auto; }
.card--link:hover h3 { color: var(--blue-600); }

.card__ico {
  width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center;
  background: linear-gradient(140deg, var(--blue-050), var(--blue-100));
  color: var(--blue-600); margin-bottom: 18px; flex: none;
  transition: all .3s var(--ease);
}
.card__ico svg { width: 25px; height: 25px; }
.card:hover .card__ico {
  background: linear-gradient(140deg, var(--blue-600), var(--blue-500));
  color: #fff; box-shadow: var(--shadow-blue);
}
.card__num {
  font-family: var(--font-display); font-size: .78rem; font-weight: 800; letter-spacing: .1em;
  color: var(--blue-400); margin-bottom: 10px;
}

.card--dark {
  background: linear-gradient(150deg, var(--ink-800), var(--ink-600));
  border-color: transparent; color: rgba(255,255,255,.75);
}
.card--dark h3 { color: #fff; }
.card--dark p { color: rgba(255,255,255,.72); }
.card--dark .card__ico { background: rgba(255,255,255,.1); color: var(--cyan-400); }
.card--dark .link-arrow { color: var(--cyan-400); }

/* Özellik listesi */
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 32px; margin: 0; color: var(--slate-600); }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--blue-050) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231552d6' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}
.ticks--light li { color: rgba(255,255,255,.75); }
.ticks--light li::before { background-color: rgba(34,207,232,.16); }
.ticks--2 { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px 28px; }

/* Split bölüm */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 68px); align-items: center; }
.split--reverse .split__media { order: -1; }
.split__media { position: relative; }
.media-frame {
  border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-600)); padding: 20px;
}
.stat-tile-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.stat-tile { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 14px; padding: 18px; }
.stat-tile b { display: block; font-family: var(--font-display); font-size: 1.6rem; color: #fff; font-weight: 800; letter-spacing: -.03em; }
.stat-tile span { font-size: .8rem; color: rgba(255,255,255,.62); }

/* İstatistik bandı */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 8px; }
.stat b {
  display: block; font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem); letter-spacing: -.04em; line-height: 1;
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-500));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 8px;
}
.stat span { font-size: .9rem; color: var(--slate-500); }
.section--blue .stat span { color: rgba(255,255,255,.65); }

/* Süreç adımları */
.steps { display: grid; gap: 4px; counter-reset: step; }
.step {
  display: grid; grid-template-columns: 58px 1fr; gap: 22px; padding: 24px 0;
  border-top: 1px solid var(--slate-200); align-items: start;
}
.step:last-child { border-bottom: 1px solid var(--slate-200); }
.step__n {
  font-family: var(--font-display); font-weight: 800; font-size: 1.05rem;
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: var(--ink-800); color: #fff; letter-spacing: -.02em;
}
.step h3 { font-size: var(--step-1); margin-bottom: 8px; }
.step p { margin: 0; color: var(--slate-600); }

/* Akordiyon / SSS */
.acc { border-top: 1px solid var(--slate-200); }
.acc__item { border-bottom: 1px solid var(--slate-200); }
.acc__btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 0; background: none; border: 0; cursor: pointer; text-align: left;
  font-family: var(--font-display); font-weight: 700; font-size: var(--step-1); color: var(--ink-800);
}
.acc__btn svg { width: 22px; height: 22px; color: var(--blue-600); flex: none; transition: transform .3s var(--ease); }
.acc__item.is-open .acc__btn svg { transform: rotate(45deg); }
.acc__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .32s var(--ease); }
.acc__item.is-open .acc__panel { grid-template-rows: 1fr; }
.acc__panel > div { overflow: hidden; }
.acc__panel p { padding-bottom: 22px; margin: 0; color: var(--slate-600); }

/* Logo/marka şeridi */
.brand-strip { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.brand-chip {
  display: inline-flex; align-items: center; gap: 9px; padding: 11px 20px;
  border: 1px solid var(--slate-200); border-radius: 999px; background: #fff;
  font-family: var(--font-display); font-weight: 700; font-size: .88rem; color: var(--slate-600);
  transition: all .25s var(--ease);
}
.brand-chip:hover { border-color: var(--blue-400); color: var(--ink-800); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.brand-chip i { width: 8px; height: 8px; border-radius: 2px; background: linear-gradient(135deg, var(--blue-500), var(--cyan-500)); }

/* Sektör kartları */
.sector-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; }
.sector {
  background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius);
  padding: 20px 18px; text-align: center; transition: all .25s var(--ease);
}
.sector:hover { border-color: var(--blue-400); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.sector svg { width: 26px; height: 26px; color: var(--blue-600); margin: 0 auto 10px; }
.sector b { display: block; font-family: var(--font-display); font-size: .92rem; color: var(--ink-800); font-weight: 700; }

/* CTA bandı */
.cta-band {
  position: relative; overflow: hidden; border-radius: var(--radius-xl);
  background: radial-gradient(120% 140% at 90% 0%, #1b4a92 0%, var(--ink-700) 45%, var(--ink-900) 100%);
  padding: clamp(34px, 5vw, 62px); color: rgba(255,255,255,.78);
  display: grid; grid-template-columns: 1.4fr auto; gap: 32px; align-items: center;
}
.cta-band::before {
  content: ""; position: absolute; width: 420px; height: 420px; right: -120px; bottom: -220px;
  background: radial-gradient(circle, rgba(0,181,216,.4), transparent 65%); filter: blur(20px);
}
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { color: #fff; margin-bottom: 10px; font-size: var(--step-3); }
.cta-band p { margin: 0; color: rgba(255,255,255,.75); max-width: 58ch; }

/* İletişim */
.contact-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(28px, 4vw, 56px); align-items: start; }
.contact-card {
  background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius-lg);
  padding: 26px; display: flex; gap: 16px; align-items: flex-start; margin-bottom: 14px;
  transition: all .25s var(--ease);
}
.contact-card:hover { box-shadow: var(--shadow-md); border-color: transparent; }
.contact-card__ico { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-050); color: var(--blue-600); flex: none; }
.contact-card__ico svg { width: 21px; height: 21px; }
.contact-card h3 { font-size: 1rem; margin-bottom: 4px; }
.contact-card p, .contact-card a { margin: 0; font-size: .95rem; color: var(--slate-600); }
.contact-card a:hover { color: var(--blue-600); }

.form { background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius-lg); padding: clamp(24px, 3vw, 36px); box-shadow: var(--shadow-sm); }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--font-display); font-weight: 650; font-size: .88rem; color: var(--ink-700); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--slate-200); border-radius: 12px;
  font-family: var(--font-body); font-size: .95rem; color: var(--ink-800); background: var(--slate-050);
  transition: all .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-500); background: #fff; box-shadow: 0 0 0 4px var(--blue-100);
}
.field textarea { min-height: 130px; resize: vertical; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form__note { font-size: .8rem; color: var(--slate-500); margin: 14px 0 0; }
.form__consent { display: flex; gap: 10px; align-items: flex-start; font-size: .85rem; color: var(--slate-600); }
.form__consent input { width: 18px; height: 18px; flex: none; margin-top: 2px; accent-color: var(--blue-600); }

.map-embed { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--slate-200); box-shadow: var(--shadow-sm); }
.map-embed iframe { display: block; width: 100%; height: 380px; border: 0; }

/* Prose (uzun metin) */
.prose { max-width: 74ch; }
.prose h2 { font-size: var(--step-2); margin-top: 1.8em; }
.prose h3 { font-size: var(--step-1); margin-top: 1.6em; }
.prose > :first-child { margin-top: 0; }
.prose ul li::marker { color: var(--blue-500); }
.prose blockquote {
  margin: 1.8em 0; padding: 20px 26px; border-left: 3px solid var(--blue-500);
  background: var(--blue-050); border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--step-1); color: var(--ink-700);
}
.prose blockquote p:last-child { margin-bottom: 0; }
.lead { font-size: var(--step-1); color: var(--slate-600); }

/* Yan menü */
.with-aside { display: grid; grid-template-columns: 280px 1fr; gap: clamp(28px, 4vw, 56px); align-items: start; }
.aside-nav { position: sticky; top: calc(var(--header-h) + 24px); }
.aside-nav__title { font-family: var(--font-display); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--slate-400); font-weight: 800; margin-bottom: 12px; }
.aside-nav ul { list-style: none; padding: 0; margin: 0 0 26px; }
.aside-nav li { margin: 0; }
.aside-nav a {
  display: block; padding: 10px 14px; border-radius: 10px; font-size: .92rem;
  color: var(--slate-600); border-left: 2px solid var(--slate-200);
}
.aside-nav a:hover { background: var(--slate-050); color: var(--ink-800); }
.aside-nav a[aria-current="page"] { color: var(--blue-600); border-left-color: var(--blue-500); background: var(--blue-050); font-weight: 650; }
.aside-cta {
  background: linear-gradient(150deg, var(--ink-800), var(--ink-600)); border-radius: var(--radius-lg);
  padding: 24px; color: rgba(255,255,255,.75);
}
.aside-cta h4 { color: #fff; font-size: 1.05rem; margin-bottom: 8px; }
.aside-cta p { font-size: .88rem; margin-bottom: 16px; }

/* Blog */
.post-card { display: flex; flex-direction: column; height: 100%; background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius-lg); overflow: hidden; transition: all .3s var(--ease); }
.post-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.post-card__thumb { aspect-ratio: 16/9; background: linear-gradient(140deg, var(--ink-800), var(--ink-600)); position: relative; display: grid; place-items: center; }
.post-card__thumb::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 32px 32px;
}
.post-card__thumb svg { width: 54px; height: 54px; color: rgba(255,255,255,.35); position: relative; z-index: 2; }
.post-card__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.post-card__meta { display: flex; gap: 12px; font-size: .78rem; color: var(--slate-500); margin-bottom: 12px; }
.tag { display: inline-block; padding: 4px 10px; border-radius: 999px; background: var(--blue-050); color: var(--blue-600); font-size: .72rem; font-weight: 700; font-family: var(--font-display); }
.post-card h3 { font-size: var(--step-1); margin-bottom: 10px; }
.post-card p { font-size: .92rem; color: var(--slate-600); margin-bottom: 16px; }
.post-card .link-arrow { margin-top: auto; }

/* Referans grid */
.ref-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.ref-tile {
  aspect-ratio: 16/9; display: grid; place-items: center; background: #fff;
  border: 1px solid var(--slate-200); border-radius: var(--radius); padding: 18px;
  font-family: var(--font-display); font-weight: 700; color: var(--slate-400); font-size: .9rem;
  text-align: center; transition: all .25s var(--ease);
}
.ref-tile:hover { border-color: var(--blue-300, var(--blue-400)); color: var(--ink-800); box-shadow: var(--shadow-sm); }

/* Not kutusu */
.note {
  border-left: 3px solid var(--amber); background: #fffaf0; border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 22px; font-size: .92rem; color: var(--slate-600);
}
.note strong { color: var(--ink-700); }

/* ---------- 7. Footer ---------- */
.site-footer {
  background: var(--ink-900); color: rgba(255,255,255,.6);
  padding-top: clamp(48px, 6vw, 76px); font-size: .92rem;
  position: relative; overflow: hidden;
}
.site-footer::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(70% 60% at 20% 0%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 60% at 20% 0%, #000, transparent 75%);
}
.site-footer .container { position: relative; z-index: 2; }
.footer__top { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: clamp(26px, 3.5vw, 48px); padding-bottom: 44px; }
.footer__brand .brand__name { color: #fff; }
.footer__brand .brand__sub { color: rgba(255,255,255,.45); }
.footer__about { margin: 20px 0 22px; max-width: 34ch; line-height: 1.65; }
.footer h4 { color: #fff; font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 18px; font-weight: 800; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.footer li { margin: 0; }
.footer a { color: rgba(255,255,255,.6); }
.footer a:hover { color: #fff; }
.footer__contact li { display: flex; gap: 11px; align-items: flex-start; }
.footer__contact svg { width: 17px; height: 17px; color: var(--cyan-400); flex: none; margin-top: 3px; }
.socials { display: flex; gap: 10px; }
.socials a {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.7);
  transition: all .25s var(--ease);
}
.socials a:hover { background: var(--blue-600); border-color: var(--blue-600); color: #fff; transform: translateY(-2px); }
.socials svg { width: 17px; height: 17px; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.09); padding: 22px 0 28px;
  display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap;
  font-size: .84rem; color: rgba(255,255,255,.45);
}
.footer__legal { display: flex; gap: 20px; flex-wrap: wrap; }

/* Yukarı çık */
.to-top {
  position: fixed; right: 22px; bottom: 22px; width: 46px; height: 46px; border-radius: 14px;
  background: var(--ink-800); color: #fff; display: grid; place-items: center; border: 0; cursor: pointer;
  box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: all .3s var(--ease); z-index: 90;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--blue-600); }
.to-top svg { width: 20px; height: 20px; }

/* WhatsApp benzeri hızlı iletişim */
.quick-call {
  position: fixed; left: 22px; bottom: 22px; z-index: 90;
  display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px 12px 14px;
  background: #fff; border-radius: 999px; box-shadow: var(--shadow-lg); border: 1px solid var(--slate-200);
  font-family: var(--font-display); font-weight: 700; font-size: .88rem; color: var(--ink-800);
  transition: all .25s var(--ease);
}
.quick-call:hover { transform: translateY(-2px); color: var(--ink-900); box-shadow: 0 24px 48px -20px rgba(7,27,61,.4); }
.quick-call svg { width: 19px; height: 19px; color: var(--blue-600); }

/* ---------- 8. Animasyon ---------- */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .65s var(--ease), transform .65s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
[data-reveal][data-delay="5"] { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- 9. Responsive ---------- */
@media (max-width: 1080px) {
  .nav, .header__cta .btn { display: none; }
  .burger { display: inline-flex; }
  .header__inner { justify-content: space-between; }
  .header__cta { margin-left: auto; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { max-width: 560px; }
  .with-aside { grid-template-columns: 1fr; }
  .aside-nav { position: static; }
}
@media (max-width: 900px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .sector-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .stats-band { grid-template-columns: repeat(2, 1fr); gap: 30px 16px; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-band { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .topbar__list li:not(:first-child) { display: none; }
  .topbar__inner { justify-content: center; }
  .topbar__tag { display: none; }
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .ticks--2 { grid-template-columns: 1fr; }
  .field--row { grid-template-columns: 1fr; }
  .float-badge--tl { left: -8px; top: -12px; }
  .float-badge--br { right: -6px; bottom: -14px; }
  .quick-call span { display: none; }
  .quick-call { padding: 13px; }
}
@media (max-width: 560px) {
  .grid--4 { grid-template-columns: 1fr; }
  .sector-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .stat-tile-grid { grid-template-columns: 1fr; }
  .hero__proof { gap: 20px 28px; }
  .step { grid-template-columns: 1fr; gap: 12px; }
}

/* ---------- 10. Baskı ---------- */
@media print {
  .site-header, .topbar, .site-footer, .to-top, .quick-call, .mobile-nav, .backdrop { display: none !important; }
  body { color: #000; }
  .hero, .page-hero { background: none !important; color: #000; }
  .hero h1, .page-hero h1 { color: #000; }
}