/* ==========================================================================
   Tekay Center — style.css
   Tasarım sistemi: renk, tipografi, boşluk ve bileşenler tek dosyada.
   Mobile-first; kırılımlar 600 / 900 / 1200 px.
   ========================================================================== */

/* ---------- Fontlar (yerel, değişken ağırlık) ---------- */
@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("../fonts/manrope-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("../fonts/manrope-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Tasarım değişkenleri ---------- */
:root {
  --navy-950: #0B1726;
  --navy-900: #10243A;
  --navy-700: #1E3A58;
  --blue-600: #2463A6;
  --blue-050: #EAF1F9;
  --teal-500: #13A89E;
  --teal-700: #0C7D75;      /* metin üzerinde kullanılabilir kontrast */
  --bg-soft: #F6F8FB;
  --bg-tint: #EEF2F7;
  --text: #263548;
  --text-muted: #56657A;
  --line: #DFE5EE;
  --line-strong: #C9D2DF;
  --white: #FFFFFF;
  --wa: #25D366;

  --font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 10px;

  --container: 1200px;
  --gutter: 20px;
  --header-h: 64px;
  --section-y: 64px;

  --shadow-sm: 0 1px 2px rgba(11, 23, 38, .06);
  --shadow: 0 10px 30px -12px rgba(11, 23, 38, .22);
}
@media (min-width: 900px) {
  :root { --gutter: 32px; --header-h: 76px; --section-y: 104px; }
}

/* ---------- Temel ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--blue-600); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--navy-900); }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
h1, h2, h3, h4 {
  margin: 0 0 .5em;
  color: var(--navy-900);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.018em;
}
h1 { font-size: clamp(2rem, 1.35rem + 2.6vw, 3.4rem); font-weight: 800; letter-spacing: -.028em; line-height: 1.08; }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.4rem); letter-spacing: -.022em; }
h3 { font-size: 1.2rem; letter-spacing: -.01em; }
h4 { font-size: 1rem; }
strong { font-weight: 700; color: var(--navy-900); }
:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--navy-900); color: var(--white); padding: 10px 16px; border-radius: var(--radius);
}
.skip-link:focus { top: 12px; color: var(--white); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Tipografik yardımcılar ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0 0 18px;
  font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--teal-700);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--teal-500); }
.lead { font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem); line-height: 1.7; color: var(--text); }
.muted { color: var(--text-muted); }
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head p { color: var(--text-muted); margin: 0; }
@media (min-width: 900px) { .section-head { margin-bottom: 56px; } }

/* ---------- Butonlar ---------- */
.btn {
  white-space: nowrap;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 22px;
  font: inherit; font-size: .95rem; font-weight: 700; line-height: 1.2;
  border: 1px solid transparent; border-radius: var(--radius);
  text-decoration: none; cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--primary { background: var(--navy-900); color: var(--white); }
.btn--primary:hover { background: var(--blue-600); color: var(--white); }
.btn--outline { background: transparent; color: var(--navy-900); border-color: var(--line-strong); }
.btn--outline:hover { border-color: var(--navy-900); color: var(--navy-900); }
.btn--light { background: var(--white); color: var(--navy-900); }
.btn--light:hover { background: var(--blue-050); color: var(--navy-900); }
.btn--outline-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,.35); }
.btn--outline-light:hover { border-color: var(--white); color: var(--white); }
.btn--wa { background: var(--wa); color: var(--navy-950); }
.btn--wa:hover { background: #20bd5a; color: var(--navy-950); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 599.98px) {
  .hero .btn-row .btn, .page-hero .btn-row .btn, .cta-band .btn-row .btn { flex: 1 1 100%; }
}

.text-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; color: var(--navy-900); text-decoration: none;
  border-bottom: 1px solid var(--line-strong); padding-bottom: 2px;
}
.text-link svg { width: 16px; height: 16px; transition: transform .18s ease; }
.text-link:hover { color: var(--blue-600); border-color: var(--blue-600); }
.text-link:hover svg { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy-900); flex: none; }
.brand svg { width: 34px; height: 34px; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-size: 1.06rem; font-weight: 800; letter-spacing: .06em; }
.brand-sub { margin-top: 4px; font-size: .62rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--text-muted); }

.primary-nav ul { list-style: none; }
.primary-nav ul a {
  display: block; text-decoration: none; color: var(--navy-900);
  font-weight: 600; font-size: .94rem; white-space: nowrap;
}
.header-actions { display: flex; align-items: center; gap: 8px; }
.header-phone {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--navy-900); text-decoration: none; font-weight: 700; font-size: .94rem; white-space: nowrap;
}
.header-phone svg { width: 18px; height: 18px; color: var(--teal-700); }
.header-phone:hover { color: var(--blue-600); }
.header-phone .phone-num { display: none; }
.header-cta { display: none; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--white); color: var(--navy-900);
}
.nav-toggle { cursor: pointer; padding: 0; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 18px; height: 2px; background: currentColor; border-radius: 1px; position: relative;
  transition: transform .2s ease, background-color .2s ease;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

/* Mobil menü */
@media (max-width: 1099.98px) {
  .header-phone { width: 44px; height: 44px; justify-content: center; border: 1px solid var(--line); border-radius: var(--radius); }
  .primary-nav {
    position: fixed; left: 0; right: 0; top: var(--header-h); bottom: 0;
    background: var(--white); border-top: 1px solid var(--line);
    padding: 12px var(--gutter) 32px; overflow-y: auto;
    visibility: hidden; opacity: 0; transform: translateY(-6px);
    transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s;
  }
  .nav-open .primary-nav { visibility: visible; opacity: 1; transform: none; transition: opacity .2s ease, transform .2s ease; }
  .primary-nav li { border-bottom: 1px solid var(--line); }
  .primary-nav ul a { padding: 16px 2px; font-size: 1.08rem; }
  .primary-nav ul a[aria-current="page"] { color: var(--blue-600); }
  .nav-mobile-extra { display: grid; gap: 10px; margin-top: 24px; }
  .nav-mobile-extra .btn { width: 100%; }
  body.nav-open { overflow: hidden; }
}
@media (min-width: 1100px) {
  .nav-toggle { display: none; }
  .nav-mobile-extra { display: none; }
  .primary-nav { flex: 1; display: flex; justify-content: center; }
  .primary-nav ul { display: flex; gap: 2px; }
  .primary-nav ul a { padding: 8px 12px; border-radius: var(--radius-sm); position: relative; }
  .primary-nav ul a:hover { color: var(--blue-600); }
  .primary-nav ul a[aria-current="page"]::after {
    content: ""; position: absolute; left: 12px; right: 12px; bottom: -2px; height: 2px; background: var(--teal-500);
  }
  .header-phone .phone-num { display: inline; }
  .header-cta { display: inline-flex; min-height: 42px; padding: 10px 18px; }
  .header-actions { gap: 20px; }
}
@media (min-width: 1100px) and (max-width: 1240px) {
  .primary-nav ul a { padding: 8px 9px; font-size: .9rem; }
  .header-phone .phone-num { display: none; }
}

/* ---------- Bölümler ---------- */
.section { padding: var(--section-y) 0; }
.section--soft { background: var(--bg-soft); }
.section--tint { background: var(--bg-tint); }
.section--dark { background: var(--navy-950); color: #C5D0DD; }
.section--dark h2, .section--dark h3, .section--dark strong { color: var(--white); }
.section--dark .eyebrow { color: #5FD3C9; }
.section--dark .eyebrow::before { background: #5FD3C9; }
.section--dark .section-head p { color: #A9B6C6; }

.split { display: grid; gap: 32px; }
@media (min-width: 900px) {
  .split { grid-template-columns: 5fr 7fr; gap: 72px; align-items: start; }
  .split--reverse > :first-child { order: 2; }
  .sticky-col { position: sticky; top: calc(var(--header-h) + 32px); }
}

/* ---------- Hero (ana sayfa) ---------- */
.hero { padding: 40px 0 56px; background: var(--white); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; gap: 40px; align-items: center; }
.hero h1 { max-width: 19ch; margin-bottom: 20px; font-size: clamp(2rem, 1.4rem + 2.2vw, 3.1rem); }
.hero h1 em { font-style: normal; color: var(--blue-600); }
.hero .lead { max-width: 560px; margin-bottom: 28px; color: var(--text-muted); }
.hero-points {
  list-style: none; display: grid; gap: 10px; margin-top: 32px; padding-top: 24px;
  border-top: 1px solid var(--line); font-size: .92rem; color: var(--text-muted);
}
.hero-points li { display: flex; gap: 10px; align-items: flex-start; }
.hero-points svg { width: 18px; height: 18px; color: var(--teal-700); flex: none; margin-top: 3px; }
.hero-visual { position: relative; }
.hero-visual .media { aspect-ratio: 4 / 3.4; }
.flow-card {
  position: relative; margin: -56px 16px 0; z-index: 2;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); padding: 18px 20px;
}
.flow-card-title { font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--text-muted); margin: 0 0 12px; }
.flow { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; counter-reset: flow; }
.flow li { counter-increment: flow; font-size: .8rem; font-weight: 600; color: var(--navy-900); line-height: 1.3; }
.flow li::before {
  content: counter(flow, decimal-leading-zero);
  display: block; margin-bottom: 8px; padding-bottom: 8px;
  font-size: .72rem; font-weight: 700; color: var(--teal-700);
  border-bottom: 2px solid var(--line);
}
.flow li:first-child::before { border-color: var(--teal-500); }
@media (min-width: 600px) { .flow li { font-size: .86rem; } }
@media (min-width: 900px) {
  .hero { padding: 72px 0 88px; }
  .hero-grid { grid-template-columns: 7fr 5fr; gap: 56px; }
  .flow-card { position: absolute; left: -48px; right: 40px; bottom: -36px; margin: 0; }
  .hero-points { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
}

/* ---------- Görsel alanları ---------- */
.media {
  position: relative; overflow: hidden; margin: 0;
  border-radius: var(--radius-lg);
  background-color: var(--bg-tint);
  background-image:
    linear-gradient(rgba(16,36,58,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,36,58,.05) 1px, transparent 1px);
  background-size: 28px 28px;
}
.media img { width: 100%; height: 100%; object-fit: cover; }
.media.is-missing img { display: none; }
.media.is-missing {
  background-color: var(--navy-900);
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
}
.media--tall { aspect-ratio: 4 / 5; }
.media--photo { aspect-ratio: 3 / 2; }

/* ---------- Referans logoları ---------- */
.logo-band { padding: 40px 0; background: var(--white); border-bottom: 1px solid var(--line); }
.logo-band-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px; margin-bottom: 20px; }
.logo-band-head p { margin: 0; font-size: .82rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--text-muted); }
.logo-row {
  list-style: none; display: grid; grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.logo-row li { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
@media (min-width: 600px) { .logo-row { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1100px) { .logo-row { grid-template-columns: repeat(8, 1fr); } }

.logo-box {
  display: flex; align-items: center; justify-content: center;
  height: 88px; padding: 18px 16px; text-align: center;
}
.logo-box img { max-height: 36px; max-width: 120px; width: auto; height: auto; object-fit: contain; }
.logo-box .logo-fallback {
  display: none; font-weight: 700; font-size: .95rem; color: var(--navy-700); letter-spacing: -.01em; line-height: 1.2;
}
.logo-box img.is-square { max-height: 48px; }
.logo-box--dark { background: var(--navy-900); }
.logo-box--dark .logo-fallback { color: var(--white); }
.logo-box.is-missing img { display: none; }
.logo-box.is-missing .logo-fallback { display: block; }

/* Referanslar sayfası kartları */
.ref-grid { list-style: none; display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 600px) { .ref-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .ref-grid { grid-template-columns: repeat(4, 1fr); } }
.ref-card {
  display: flex; flex-direction: column; height: 100%;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .18s ease;
}
.ref-card:hover { border-color: var(--line-strong); }
.ref-card .logo-box { height: 140px; border-bottom: 1px solid var(--line); }
.ref-card .logo-box img { max-height: 52px; max-width: 160px; }
.ref-card .logo-box img.is-square { max-height: 72px; }
.ref-card .logo-box .logo-fallback { font-size: 1.15rem; }
.ref-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; min-height: 56px; }
.ref-name { font-weight: 700; color: var(--navy-900); font-size: .95rem; margin: 0; }
.ref-meta a { font-size: .85rem; font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.ref-meta a svg { width: 14px; height: 14px; }

/* ---------- Hizmet listesi (numaralı satırlar) ---------- */
.service-rows { list-style: none; border-top: 1px solid var(--line); counter-reset: srv; }
.service-rows > li { border-bottom: 1px solid var(--line); counter-increment: srv; }
.service-row {
  display: grid; grid-template-columns: 40px 1fr; gap: 6px 16px; padding: 26px 0;
  text-decoration: none; color: inherit;
}
.service-row::before {
  content: counter(srv, decimal-leading-zero); grid-row: span 2;
  font-size: .8rem; font-weight: 700; color: var(--teal-700); padding-top: 5px;
}
.service-row h3 { margin: 0; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.service-row h3 svg { width: 18px; height: 18px; color: var(--line-strong); flex: none; transition: color .18s ease, transform .18s ease; }
.service-row p { margin: 0; color: var(--text-muted); max-width: 60ch; }
a.service-row:hover h3 { color: var(--blue-600); }
a.service-row:hover h3 svg { color: var(--blue-600); transform: translateX(3px); }
@media (min-width: 900px) { .service-row { grid-template-columns: 56px 1fr; padding: 30px 0; } }

/* ---------- Yazılım alanları (ikonlu ızgara) ---------- */
.capability-grid { list-style: none; display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
.capability-grid li { padding: 24px 0; border-bottom: 1px solid var(--line); }
.capability-grid .cap-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; margin-bottom: 14px;
  border-radius: var(--radius); background: var(--blue-050); color: var(--blue-600);
}
.capability-grid .cap-icon svg { width: 20px; height: 20px; }
.capability-grid h3 { font-size: 1.05rem; margin-bottom: 6px; }
.capability-grid p { margin: 0; font-size: .95rem; color: var(--text-muted); }
@media (min-width: 600px) {
  .capability-grid { grid-template-columns: repeat(2, 1fr); border-left: 1px solid var(--line); }
  .capability-grid li { padding: 28px; border-right: 1px solid var(--line); }
}
@media (min-width: 1100px) { .capability-grid { grid-template-columns: repeat(4, 1fr); } }

/* Yazılım çözüm alanları (yazılım sayfası) */
.area-grid {
  display: grid; grid-template-columns: 1fr; gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
}
.area { background: var(--white); padding: 26px 22px; }
.area .cap-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; margin-bottom: 14px; border-radius: var(--radius); background: var(--blue-050); color: var(--blue-600);
}
.area .cap-icon svg { width: 20px; height: 20px; }
.area h3 { font-size: 1.1rem; margin-bottom: 8px; }
.area p { color: var(--text-muted); margin-bottom: 16px; }
.area .check-list { gap: 6px; }
@media (min-width: 700px) { .area-grid { grid-template-columns: 1fr 1fr; } .area { padding: 32px; } }

/* ---------- Süreç (koyu bant) ---------- */
.process { list-style: none; display: grid; gap: 0; counter-reset: step; }
.process li { counter-increment: step; position: relative; padding: 24px 0 24px 56px; border-top: 1px solid rgba(255,255,255,.12); }
.process li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 24px;
  font-size: .82rem; font-weight: 700; color: #5FD3C9;
}
.process h3 { font-size: 1.08rem; margin-bottom: 8px; }
.process p { margin: 0; font-size: .94rem; color: #A9B6C6; }
@media (min-width: 900px) {
  .process { grid-template-columns: repeat(5, 1fr); gap: 32px; }
  .process li { padding: 28px 0 0; border-top-width: 2px; }
  .process li:first-child { border-top-color: #5FD3C9; }
  .process li::before { position: static; display: block; margin-bottom: 16px; }
}
.section--soft .process li, .section:not(.section--dark) .process li { border-top-color: var(--line); }
.section:not(.section--dark) .process li::before { color: var(--teal-700); }
.section:not(.section--dark) .process p { color: var(--text-muted); }
.section:not(.section--dark) .process li:first-child { border-top-color: var(--teal-500); }

/* ---------- Gerekçeler / değerler ---------- */
.reason-list { list-style: none; display: grid; gap: 0; }
.reason-list li { padding: 24px 0; border-top: 1px solid var(--line); }
.reason-list h3 { font-size: 1.1rem; margin-bottom: 8px; }
.reason-list p { margin: 0; color: var(--text-muted); }
@media (min-width: 700px) { .reason-list { grid-template-columns: 1fr 1fr; column-gap: 48px; } }

.value-table { list-style: none; border-top: 1px solid var(--line); }
.value-table li { display: grid; gap: 6px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.value-table h3 { margin: 0; font-size: 1.05rem; }
.value-table p { margin: 0; color: var(--text-muted); }
@media (min-width: 900px) { .value-table li { grid-template-columns: 240px 1fr; gap: 32px; padding: 26px 0; } }

/* ---------- Bilgi bloğu (soru-cevap formatında kısa tanım) ---------- */
.definition {
  border-left: 3px solid var(--teal-500); padding: 4px 0 4px 20px; margin: 0 0 28px;
}
.definition p { margin: 0; font-size: 1.05rem; color: var(--navy-900); }

/* ---------- Mini kart (misyon/vizyon gibi iki parçalı alanlar) ---------- */
.duo { display: grid; gap: 16px; }
@media (min-width: 800px) { .duo { grid-template-columns: 1fr 1fr; gap: 24px; } }
.duo-item { padding: 28px; border-radius: var(--radius-lg); background: var(--white); border: 1px solid var(--line); }
.duo-item--dark { background: var(--navy-900); border-color: var(--navy-900); color: #C5D0DD; }
.duo-item--dark h3 { color: var(--white); }
.duo-item .eyebrow { margin-bottom: 12px; }
.duo-item--dark .eyebrow { color: #5FD3C9; }
.duo-item--dark .eyebrow::before { background: #5FD3C9; }
.duo-item p:last-child { margin-bottom: 0; }
@media (min-width: 900px) { .duo-item { padding: 40px; } }

/* ---------- Sayfa başlığı (iç sayfalar) ---------- */
.page-hero { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 28px 0 48px; }
.page-hero h1 { max-width: 20ch; margin-bottom: 18px; font-size: clamp(1.9rem, 1.3rem + 2.3vw, 3rem); }
.page-hero .lead { max-width: 640px; color: var(--text-muted); margin-bottom: 0; }
.page-hero .btn-row { margin-top: 28px; }
.page-hero-grid { display: grid; gap: 32px; }
@media (min-width: 900px) {
  .page-hero { padding: 36px 0 72px; }
  .page-hero-grid { grid-template-columns: 7fr 5fr; gap: 64px; align-items: end; }
}
.page-index {
  list-style: none; border-top: 1px solid var(--line-strong); font-size: .92rem;
}
.page-index li { border-bottom: 1px solid var(--line); }
.page-index a { display: flex; justify-content: space-between; gap: 12px; padding: 11px 0; text-decoration: none; color: var(--navy-900); font-weight: 600; }
.page-index a span { color: var(--text-muted); font-weight: 600; font-size: .8rem; }
.page-index a:hover { color: var(--blue-600); }

/* Breadcrumb */
.breadcrumb { margin-bottom: 28px; font-size: .85rem; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; color: var(--text-muted); }
.breadcrumb li { display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb li + li::before { content: "/"; color: var(--line-strong); }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--blue-600); }
.breadcrumb [aria-current] { color: var(--navy-900); font-weight: 600; }

/* ---------- Detaylı hizmet blokları (çağrı merkezi / yazılım sayfaları) ---------- */
.detail { padding: 48px 0; border-top: 1px solid var(--line); }
.detail:first-of-type { border-top: 0; padding-top: 0; }
.detail-grid { display: grid; gap: 20px; }
.detail-num { font-size: .8rem; font-weight: 700; color: var(--teal-700); letter-spacing: .08em; margin-bottom: 10px; display: block; }
.detail h2 { font-size: clamp(1.4rem, 1.15rem + 1vw, 1.9rem); }
.detail-body p { max-width: 68ch; }
.detail-body h3 { font-size: 1rem; margin: 24px 0 10px; }
.check-list { list-style: none; display: grid; gap: 10px; margin: 0 0 8px; }
.check-list li { position: relative; padding-left: 28px; }
.check-list li::before {
  content: ""; position: absolute; left: 2px; top: .55em; width: 12px; height: 7px;
  border-left: 2px solid var(--teal-500); border-bottom: 2px solid var(--teal-500); transform: rotate(-45deg);
}
@media (min-width: 700px) { .check-list--2 { grid-template-columns: 1fr 1fr; column-gap: 32px; } }
.note-box {
  margin-top: 20px; padding: 16px 18px; background: var(--bg-soft); border-radius: var(--radius); font-size: .94rem; color: var(--text-muted);
}
.note-box strong { color: var(--navy-900); }
@media (min-width: 900px) {
  .detail { padding: 64px 0; }
  .detail-grid { grid-template-columns: 4fr 8fr; gap: 64px; }
}

/* Karşılaştırma tablosu (inbound/outbound) */
.compare { width: 100%; border-collapse: collapse; font-size: .95rem; }
.compare caption { text-align: left; font-weight: 700; color: var(--navy-900); margin-bottom: 12px; }
.compare th, .compare td { text-align: left; vertical-align: top; padding: 14px 12px; border-bottom: 1px solid var(--line); }
.compare thead th { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); border-bottom: 2px solid var(--navy-900); }
.compare tbody th { color: var(--navy-900); font-weight: 700; width: 28%; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
@media (max-width: 599.98px) {
  .compare thead { display: none; }
  .compare tr { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .compare th, .compare td { display: block; border: 0; padding: 4px 0; width: auto; }
  .compare td::before { content: attr(data-label) ": "; font-weight: 700; color: var(--navy-900); }
}

/* ---------- SSS ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
  padding: 22px 0; cursor: pointer; list-style: none;
  font-weight: 700; font-size: 1.05rem; color: var(--navy-900); line-height: 1.4;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; width: 10px; height: 10px; margin-top: 6px; margin-right: 4px;
  border-right: 2px solid var(--navy-900); border-bottom: 2px solid var(--navy-900);
  transform: rotate(45deg); transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: 10px; }
.faq summary:hover { color: var(--blue-600); }
.faq .faq-answer { padding: 0 0 24px; max-width: 72ch; color: var(--text); }
.faq .faq-answer p:last-child { margin-bottom: 0; }
.faq summary h3 { font: inherit; color: inherit; margin: 0; letter-spacing: normal; }

/* ---------- İletişim CTA bandı ---------- */
.cta-band { background: var(--navy-900); color: #C5D0DD; padding: 56px 0; }
.cta-band h2 { color: var(--white); margin-bottom: 14px; }
.cta-band p { margin: 0; max-width: 560px; }
.cta-band-grid { display: grid; gap: 28px; align-items: center; }
.cta-band .btn-row { gap: 10px; }
.cta-contacts { list-style: none; display: grid; gap: 4px; margin-top: 24px; font-size: .95rem; }
.cta-contacts a { color: var(--white); text-decoration: none; font-weight: 600; }
.cta-contacts a:hover { text-decoration: underline; }
.cta-contacts span { color: #8EA0B5; display: inline-block; min-width: 80px; }
@media (min-width: 900px) {
  .cta-band { padding: 80px 0; }
  .cta-band-grid { grid-template-columns: 7fr 5fr; gap: 64px; }
  .cta-band .btn-row { display: grid; grid-template-columns: minmax(0, 340px); justify-content: end; }
  .cta-band .btn-row .btn { width: 100%; }
}

/* ---------- İletişim kartları ---------- */
.contact-grid { display: grid; gap: 16px; }
@media (min-width: 800px) { .contact-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.contact-card {
  display: flex; flex-direction: column; gap: 6px; padding: 28px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
}
.contact-card .cap-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; margin-bottom: 14px; border-radius: var(--radius); background: var(--blue-050); color: var(--blue-600);
}
.contact-card .cap-icon svg { width: 22px; height: 22px; }
.contact-card--wa .cap-icon { background: #E3F8EA; color: #128C4A; }
.contact-card h2 { font-size: 1.15rem; margin: 0; }
.contact-card .contact-value { font-size: 1.15rem; font-weight: 700; color: var(--navy-900); text-decoration: none; word-break: break-word; }
.contact-card .contact-value:hover { color: var(--blue-600); }
.contact-card p { margin: 0 0 18px; color: var(--text-muted); font-size: .95rem; }
.contact-card .btn { margin-top: auto; align-self: flex-start; }

.topic-list { list-style: none; border-top: 1px solid var(--line); }
.topic-list li { display: grid; gap: 6px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.topic-list h3 { margin: 0; font-size: 1.05rem; }
.topic-list p { margin: 0; color: var(--text-muted); }
.topic-list a { font-weight: 700; }
@media (min-width: 900px) { .topic-list li { grid-template-columns: 260px 1fr auto; gap: 32px; align-items: baseline; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: #A9B6C6; padding: 56px 0 0; font-size: .94rem; }
.footer-grid { display: grid; gap: 36px; padding-bottom: 40px; }
.site-footer .brand { color: var(--white); }
.site-footer .brand-sub { color: #8EA0B5; }
.footer-about { max-width: 360px; margin-top: 18px; }
.footer-title { margin: 0 0 14px; color: var(--white); font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.footer-links { list-style: none; display: grid; gap: 8px; }
.site-footer a { color: #C5D0DD; text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.footer-contact li { display: flex; gap: 10px; align-items: center; }
.footer-contact svg { width: 16px; height: 16px; color: #5FD3C9; flex: none; }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px;
  padding: 20px 0 96px; border-top: 1px solid rgba(255,255,255,.1); font-size: .85rem; color: #8EA0B5;
}
@media (min-width: 700px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) {
  .site-footer { padding-top: 72px; }
  .footer-grid { grid-template-columns: 4fr 2fr 3fr 3fr; gap: 48px; }
  .footer-bottom { padding-bottom: 28px; }
}

/* ---------- Sabit WhatsApp butonu ---------- */
.float-wa {
  position: fixed; right: 16px; bottom: 16px; z-index: 90;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--wa); color: var(--white);
  box-shadow: 0 6px 18px -4px rgba(11,23,38,.35);
  text-decoration: none;
  transition: transform .18s ease;
}
.float-wa svg { width: 28px; height: 28px; }
.float-wa:hover { transform: translateY(-2px); color: var(--white); }
@media (min-width: 900px) { .float-wa { right: 28px; bottom: 28px; width: 58px; height: 58px; } }
.nav-open .float-wa { display: none; }

/* ---------- Yardımcılar ---------- */
.mt-l { margin-top: 28px; }
h2.h3 { font-size: clamp(1.25rem, 1.1rem + .6vw, 1.5rem); }
.mb-0 { margin-bottom: 0; }
.prose p { max-width: 68ch; }
.prose h2 { margin-top: 0; }
.prose h3 { margin-top: 28px; }
.small { font-size: .88rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; scroll-behavior: auto !important; }
}