/* ==========================================================
   MU Event — ön yüz stilleri
   Yazı karakterleri: DM Sans (metin/başlık) + Roboto (kayan büyük yazı)
   Palet: #F8F8FF lavanta zemin, siyah başlık, #797C7F metin, #4361EE mavi
   ========================================================== */

:root {
  --bg: #f8f8ff;
  --surface: #ffffff;
  --ink: #000000;
  --text: #797c7f;
  --muted: #a3a6ab;
  --line: #e4e5ee;
  --accent: #4361ee;
  --accent-dark: #1037c5;
  --dark: #1d1f23;
  --night: #000309;
  --foot-text: #d2d3d5;
  --sans: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Roboto", "DM Sans", sans-serif;
  --header-h: 120px;
  --ease: cubic-bezier(.22, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--sans); font-size: 17px; line-height: 1.68; font-weight: 400;
  color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, video, iframe { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4, h5, h6 { margin: 0; color: var(--ink); font-weight: 500; line-height: 1.1; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
::selection { background: var(--accent); color: #fff; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 200; background: #fff; padding: 8px 14px; }
.skip:focus { left: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.anchor { display: block; position: relative; top: calc(-1 * var(--header-h)); }

.wrap { width: 100%; max-width: 1380px; margin: 0 auto; padding: 0 68px; position: relative; z-index: 1; }
.wrap.narrow { max-width: 1000px; }
.center { text-align: center; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 17px 32px; background: var(--accent); color: #fcfcfc; border: 0;
  font-family: var(--sans); font-size: 12px; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; line-height: 20px;
  transition: background .3s var(--ease), color .3s;
}
.btn:hover { background: var(--ink); color: #fff; }
.btn-outline { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }

/* ---------- Başlık yapısı ---------- */
.subtitle { display: block; font-size: 14px; font-weight: 500; letter-spacing: 1.8px; text-transform: uppercase; color: var(--ink); margin-bottom: 14px; }
.sec-head { margin-bottom: 56px; max-width: 900px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head .title { font-size: clamp(36px, 4vw, 57px); line-height: 1; }
.sec-head .descr { margin-top: 22px; }

/* Arka plandaki yumuşak renk lekeleri */
.glow { position: absolute; pointer-events: none; z-index: 0; border-radius: 50%; filter: blur(60px); opacity: .55; }
.glow.g1 { width: 520px; height: 520px; left: -220px; top: 10%; background: radial-gradient(circle, #dfe4ff 0%, transparent 70%); }
.glow.g2 { width: 640px; height: 640px; right: -260px; top: -120px; background: radial-gradient(circle, #e2e6ff 0%, transparent 70%); }
.glow.g3 { width: 560px; height: 560px; left: -200px; top: 30%; background: radial-gradient(circle, #dfe4ff 0%, transparent 70%); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60; height: var(--header-h); background: #fff;
  transition: height .35s var(--ease), box-shadow .35s;
}
.site-header.scrolled { --header-h: 86px; box-shadow: 0 10px 30px -18px rgba(0,0,0,.25); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.logo { display: inline-flex; align-items: center; flex-shrink: 0; }
.logo img { height: 74px; width: auto; transition: height .35s var(--ease); }
.scrolled .logo img { height: 54px; }
.logo-text { display: inline-flex; align-items: stretch; font-family: var(--sans); font-size: 26px; line-height: 1; letter-spacing: .04em; }
.logo-text b { font-weight: 700; color: var(--accent); padding: 8px 6px 8px 0; }
.logo-text i { font-style: normal; font-weight: 500; color: #fff; background: var(--ink); padding: 8px 12px; }

.main-nav ul { list-style: none; margin: 0; padding: 0; }
.main-nav > ul { display: flex; gap: 6px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a { display: block; padding: 12px; color: var(--ink); font-size: 17px; font-weight: 500; line-height: 25px; }
.main-nav > ul > li > a span { position: relative; padding-bottom: 4px; }
.main-nav > ul > li > a span::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: right; transition: transform .35s var(--ease); }
.main-nav > ul > li:hover > a span::after, .main-nav > ul > li.active > a span::after { transform: scaleX(1); transform-origin: left; }
.main-nav .sub {
  position: absolute; top: 100%; left: -10px; min-width: 330px; background: #fff; padding: 18px 0;
  box-shadow: 0 20px 50px -20px rgba(0,0,0,.2); opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s, transform .3s var(--ease), visibility .25s;
}
.main-nav .has-sub:hover .sub, .main-nav .has-sub:focus-within .sub { opacity: 1; visibility: visible; transform: none; }
.main-nav .sub a { display: block; padding: 7px 28px; font-size: 16px; color: var(--text); }
.main-nav .sub a:hover, .main-nav .sub li.active a { color: var(--ink); }

.header-actions { display: flex; align-items: center; gap: 16px; }
.menu-toggle { display: none; width: 46px; height: 46px; background: none; border: 0; position: relative; }
.menu-toggle span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--ink); transition: transform .3s var(--ease), opacity .3s, top .3s; }
.menu-toggle span:nth-child(1) { top: 15px; }
.menu-toggle span:nth-child(2) { top: 22px; }
.menu-toggle span:nth-child(3) { top: 29px; }
body.menu-open .menu-toggle span:nth-child(1) { top: 22px; transform: rotate(45deg); }
body.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .menu-toggle span:nth-child(3) { top: 22px; transform: rotate(-45deg); }

.mobile-menu { position: fixed; inset: 0; z-index: 55; background: #fff; padding: calc(var(--header-h) + 10px) 0 40px; overflow-y: auto; opacity: 0; visibility: hidden; transition: opacity .35s, visibility .35s; }
body.menu-open { overflow: hidden; }
body.menu-open .mobile-menu { opacity: 1; visibility: visible; }
.mobile-menu-inner { padding: 0 24px; }
.mobile-menu ul { list-style: none; margin: 0; padding: 0; }
.mobile-menu li { border-bottom: 1px solid var(--line); padding: 14px 0; }
.mm-main { font-size: 26px; font-weight: 500; color: var(--ink); }
.mm-sub { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; padding-left: 4px; }
.mm-sub a { font-size: 15px; }
.mm-contact { display: flex; flex-direction: column; gap: 6px; margin-top: 28px; }

/* ---------- Hero slider ---------- */
.hero-slider { position: relative; height: calc(100vh - var(--header-h)); min-height: 560px; max-height: 900px; background: var(--dark); overflow: hidden; color: #fff; }
.hs-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 1.2s ease, visibility 1.2s; }
.hs-slide.on { opacity: 1; visibility: visible; }
.hs-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); transition: transform 7s ease-out; }
.hs-slide.on .hs-bg { transform: scale(1); }
.hs-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(29,31,35,.75) 0%, rgba(29,31,35,.35) 50%, rgba(29,31,35,.1) 100%); }
.hs-content { position: absolute; left: 0; right: 0; bottom: 120px; z-index: 2; }
.hs-line1 { font-size: 19px; font-weight: 500; color: #fff; margin-bottom: 6px; }
.hs-line2 { font-family: var(--display); font-size: clamp(40px, 6vw, 92px); line-height: 1; text-transform: uppercase; margin: 0; background: linear-gradient(180deg, #fff 0%, rgba(255,255,255,.45) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hs-big { font-family: var(--display); font-weight: 500; font-size: clamp(48px, 8.6vw, 130px); line-height: .95; text-transform: uppercase; letter-spacing: -.01em; margin: 0; color: transparent; background: linear-gradient(180deg, #fff 0%, rgba(255,255,255,.35) 100%); -webkit-background-clip: text; background-clip: text; }
.hs-slide:not(:first-child) .hs-big { text-transform: none; font-size: clamp(40px, 6vw, 92px); }
.hs-slide .hs-content > * { opacity: 0; transform: translateY(40px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.hs-slide.on .hs-content > * { opacity: 1; transform: none; }
.hs-slide.on .hs-content > *:nth-child(2) { transition-delay: .15s; }
.hs-slide.on .hs-content > *:nth-child(3) { transition-delay: .3s; }
.hs-btn { margin-top: 30px; }
.hs-ui { position: absolute; left: 0; right: 0; bottom: 34px; z-index: 3; display: flex; align-items: center; gap: 28px; }
.hs-scroll { font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase; color: #fff; white-space: nowrap; }
.hs-progress { flex: 1; height: 1px; background: rgba(255,255,255,.3); position: relative; overflow: hidden; }
.hs-progress i { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: #fff; }
.hero-slider.playing .hs-progress i { animation: hsprog var(--hs-dur, 7s) linear forwards; }
@keyframes hsprog { to { width: 100%; } }
.hs-count { display: flex; gap: 14px; font-size: 13px; color: rgba(255,255,255,.7); }
.hs-count b { color: #fff; font-weight: 500; }

/* ---------- Alıntılı hero (Hakkımızda) ---------- */
.quote-hero { position: relative; min-height: 640px; background: var(--dark); color: #fff; display: flex; align-items: flex-end; overflow: hidden; padding: 120px 0 130px; }
.qh-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.quote-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(29,31,35,.9) 0%, rgba(29,31,35,.2) 70%); }
.qh-content { z-index: 2; display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px; align-items: end; }
.qh-title { font-size: clamp(40px, 5vw, 72px); color: #fff; line-height: 1; }
.qh-quote { margin: 0; border-left: 1px solid rgba(255,255,255,.35); padding-left: 30px; }
.qh-quote blockquote { margin: 0 0 14px; font-size: 24px; line-height: 1.35; color: #fff; }
.qh-quote figcaption { font-size: 14px; letter-spacing: 1.2px; text-transform: uppercase; color: rgba(255,255,255,.7); }
.quote-hero .hs-ui { bottom: 40px; }

/* ---------- Sayfa başlık bandı ---------- */
.title-bar { position: relative; background: var(--dark); padding: 120px 0 110px; overflow: hidden; }
.tb-bg { position: absolute; inset: 0; background:
  radial-gradient(600px 300px at 85% 20%, rgba(67,97,238,.45), transparent 70%),
  radial-gradient(500px 280px at 10% 100%, rgba(150,70,230,.35), transparent 70%); }
.tb-title { color: #fff; font-size: clamp(40px, 5.4vw, 78px); line-height: 1; max-width: 1000px; }
.crumbs { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px; font-size: 15px; color: rgba(255,255,255,.6); }
.crumbs a:hover { color: #fff; }
.crumbs .cur { color: #fff; }

/* ---------- Bölüm temelleri ---------- */
.section { position: relative; padding: 140px 0; overflow: hidden; }
.bg-white { background: #fff; }
.bg-dark { background: var(--night); color: var(--foot-text); }
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark .subtitle { color: #fff; }

/* Hakkımızda girişi */
.ai-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: start; }
.ai-img2 { width: 64%; margin-bottom: 70px; }
.ai-img2 img, .ai-img2 .ph { width: 100%; aspect-ratio: 330/250; object-fit: cover; }
.ai-text .sec-head { margin-bottom: 26px; }
.ai-text .prose { max-width: 560px; }
.ai-media { margin-top: 120px; }
.ai-media img, .ai-media .ph { width: 100%; aspect-ratio: 355/270; object-fit: cover; }
.page-hakkimizda .ai-media { margin-top: 0; }
.page-hakkimizda .ai-img2 { display: none; }
.ai-icons { list-style: none; margin: 60px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.ai-icons img { width: 46px; height: 46px; margin-bottom: 22px; }
.ai-icons span { display: block; color: var(--ink); font-size: 19px; font-weight: 500; line-height: 1.2; }

/* Hizmet ızgarası */
.service-grid { padding-top: 40px; }
.sg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 80px 44px; }
.sg-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding-bottom: 30px; border-bottom: 1px solid var(--line); margin-bottom: 26px; }
.sg-head h2 { font-size: clamp(30px, 3vw, 47px); line-height: 1; }
.sg-arrow { color: var(--ink); flex-shrink: 0; margin-top: 6px; transition: transform .35s var(--ease), color .25s; }
.sg-head:hover .sg-arrow { transform: rotate(45deg); color: var(--accent); }
.sg-head:hover h2 { color: var(--accent); }
.sg-text p { margin: 0; }
.sg-text a, .sg-text strong { color: var(--accent); }
.sg-text strong { font-weight: 700; }

/* Video bandı */
.video-band { position: relative; height: 531px; overflow: hidden; background: var(--dark); display: grid; place-items: center; }
.vb-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.video-band::after { content: ""; position: absolute; inset: 0; background: rgba(0,3,9,.25); }
.vb-play { position: relative; z-index: 2; width: 120px; height: 120px; border-radius: 50%; border: 1px solid rgba(255,255,255,.8); display: grid; place-items: center; color: #fff; font-size: 13px; font-weight: 500; letter-spacing: 1.5px; transition: transform .4s var(--ease), background .3s; }
.vb-play:hover { transform: scale(1.08); background: rgba(255,255,255,.12); }
.vb-play::before { content: ""; position: absolute; inset: -14px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { from { transform: scale(.9); opacity: 1; } to { transform: scale(1.25); opacity: 0; } }

/* Kayan büyük yazı */
.marquee-sec { position: relative; overflow: hidden; }
.marquee-sec.dark { background: var(--night); padding: 120px 0; }
.mq-glow { position: absolute; width: 520px; height: 520px; border-radius: 50%; filter: blur(80px); opacity: .6; pointer-events: none; }
.mq-glow.l { left: -260px; bottom: -200px; background: radial-gradient(circle, #6a35d8 0%, transparent 65%); }
.mq-glow.r { right: -220px; top: -160px; background: radial-gradient(circle, #4361ee 0%, transparent 65%); }
.mq-row { position: relative; z-index: 1; overflow: hidden; }
.marquee-sec.dark .mq-row { border-bottom: 1px solid rgba(255,255,255,.12); padding: 14px 0; }
.marquee-sec.dark .mq-row:first-of-type { border-top: 1px solid rgba(255,255,255,.12); }
.mq-track { display: flex; width: max-content; animation: mq 60s linear infinite; }
.mq-row.rev .mq-track { animation-direction: reverse; }
.mq-track span { font-family: var(--display); font-size: clamp(56px, 9vw, 130px); line-height: 1.15; text-transform: uppercase; white-space: nowrap; padding-right: .3em; }
.marquee-sec.dark .mq-track span { color: #fcfcfc; }
.marquee-sec.light { padding: 20px 0 60px; }
.marquee-sec.light .mq-track span { font-family: var(--sans); font-weight: 500; text-transform: none; font-size: clamp(48px, 7vw, 100px); color: transparent; -webkit-text-stroke: 1px #c9cbe0; }
@keyframes mq { to { transform: translateX(-50%); } }

/* Özellik paneli */
.feature-panel { padding: 40px 0 100px; }
.fp-grid { display: grid; grid-template-columns: 1fr 1.25fr; align-items: center; max-width: 1600px; margin: 0 auto; }
.fp-media img, .fp-media .ph { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.fp-box { background: #fff; padding: 110px 100px 110px 170px; margin-left: -100px; position: relative; z-index: 1; }
.fp-box .sec-head { margin-bottom: 30px; }

/* Vizyon & misyon */
.vision { padding-top: 60px; }
.vi-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 80px; align-items: start; }
.vi-media img, .vi-media .ph { width: 100%; aspect-ratio: 46/45; object-fit: cover; }
.vi-text { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.vi-item h3 { font-size: 28px; margin-bottom: 18px; }
.vi-item strong { color: var(--accent); }
.vi-stats { grid-column: 1 / -1; background: var(--accent-dark); color: #fff; padding: 46px 70px; display: grid; grid-template-columns: 1fr 1fr; gap: 50px; margin-top: 40px; margin-left: -150px; }
.vs-label { display: block; font-weight: 500; font-size: 15px; }
.vi-stat strong { display: block; font-size: clamp(48px, 5vw, 68px); font-weight: 400; line-height: 1.1; margin: 8px 0 12px; }
.vi-stat p { margin: 0; font-size: 15px; color: rgba(255,255,255,.75); line-height: 1.55; }

/* Müşteri görüşleri */
.testimonials { background: #f9f9f9; }
.ts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.ts-slider { position: relative; min-height: 300px; }
.ts-item { position: absolute; inset: 0; margin: 0; opacity: 0; visibility: hidden; transition: opacity .5s, visibility .5s; }
.ts-item.on { position: relative; opacity: 1; visibility: visible; }
.ts-title { color: var(--ink); font-size: 20px; font-weight: 500; }
.ts-item blockquote { margin: 0 0 30px; }
.ts-item figcaption { display: flex; align-items: center; gap: 14px; }
.ts-item figcaption img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; }
.ts-item figcaption b { display: block; color: var(--ink); font-weight: 500; font-size: 19px; }
.ts-item figcaption small { color: var(--muted); font-size: 14px; }
.ts-nav { display: flex; gap: 10px; margin-top: 40px; }
.ts-nav button { width: 52px; height: 52px; border-radius: 50%; border: 1px solid var(--line); background: #fff; font-size: 22px; color: var(--ink); }
.ts-nav button:hover { border-color: var(--ink); }
.ts-media img, .ts-media .ph { width: 100%; aspect-ratio: 4/4.6; object-fit: cover; }

/* Referanslar */
.page-referanslarimiz .rich { padding-bottom: 40px; }
.references { padding-top: 40px; }
.logo-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.logo-cell { background: #fff; aspect-ratio: 3/2; display: grid; place-items: center; padding: 18%; transition: background .3s; }
.logo-cell img { max-height: 100%; width: auto; object-fit: contain; filter: grayscale(1); opacity: .75; transition: filter .35s, opacity .35s, transform .35s var(--ease); }
.logo-cell:hover img { filter: none; opacity: 1; transform: scale(1.05); }
.logo-cell span { color: var(--ink); font-size: 15px; text-align: center; }

/* Galeri */
.gal-masonry { columns: 4 260px; column-gap: 16px; }
.gal-masonry .g-item { display: block; margin-bottom: 16px; break-inside: avoid; overflow: hidden; }
.gal-masonry img { width: 100%; height: auto; transition: transform .8s var(--ease); }
.gal-masonry .g-item:hover img { transform: scale(1.05); }
.gal-grid { display: grid; gap: 14px; margin: 34px 0; }
.gal-grid.cols-1 { grid-template-columns: 1fr; }
.gal-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.gal-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.gal-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.gal-grid .g-item { overflow: hidden; aspect-ratio: 4/3; display: block; }
.gal-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.gal-grid .g-item:hover img { transform: scale(1.05); }

/* Zengin metin */
.prose { font-size: 17px; }
.prose h2 { font-size: clamp(30px, 3vw, 44px); margin: 1.2em 0 .6em; line-height: 1.1; }
.prose h3 { font-size: 30px; margin: 1.3em 0 .6em; }
.prose h4 { font-size: 24px; margin: 1.5em 0 .6em; line-height: 1.25; }
.prose > :first-child { margin-top: 0; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a { color: var(--accent); }
.prose a strong, .prose strong a { color: var(--accent); }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose blockquote { margin: 2em 0; padding: 44px 50px; background: var(--dark); color: #fff; font-size: 24px; line-height: 1.4; font-weight: 500; position: relative; }
.prose blockquote::before { content: "”"; position: absolute; right: 36px; top: 10px; font-size: 110px; line-height: 1; color: var(--accent); font-family: Georgia, serif; }
.prose blockquote strong, .prose blockquote a { color: #fff; }
.prose blockquote a { text-decoration: underline; text-underline-offset: 4px; }
.rich .sec-head .title { font-size: clamp(36px, 4vw, 57px); }

/* Hizmet detayı */
.service-detail { padding: 110px 0; }
.sd-grid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 70px; align-items: start; }
.sd-featured { margin-bottom: 44px; }
.sd-featured img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.sd-side { position: sticky; top: calc(var(--header-h) + 24px); display: flex; flex-direction: column; gap: 24px; }
.side-box { background: #fff; padding: 34px 32px; }
.side-box h5 { font-size: 19px; margin-bottom: 22px; }
.side-services { list-style: none; margin: 0; padding: 0; }
.side-services li { border-bottom: 1px solid var(--line); }
.side-services a { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 11px 0; font-size: 15.5px; line-height: 1.35; }
.side-services a:hover, .side-services li.on a { color: var(--accent); }
.side-info { list-style: none; margin: 0 0 18px; padding: 0; font-size: 15.5px; line-height: 1.55; }
.side-info li { margin-bottom: 10px; }
.side-info a:hover { color: var(--accent); }

/* İletişim */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 90px; align-items: start; }
.info-list { list-style: none; margin: 0 0 36px; padding: 0; }
.info-list li { display: flex; gap: 26px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.info-list .no { font-size: 15px; color: var(--accent); font-weight: 500; padding-top: 4px; }
.info-list h4 { font-size: 22px; margin-bottom: 8px; }
.info-list p { margin: 0; }
.info-list a:hover { color: var(--accent); }
.contact-box { background: #fff; padding: 56px 52px; }
.social-icons { display: flex; gap: 10px; }
.social-icons a { width: 44px; height: 44px; display: grid; place-items: center; background: #fff; color: var(--ink); border: 1px solid var(--line); transition: all .25s; }
.social-icons a:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.map { margin-top: 100px; height: 460px; }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.6); }

/* Form */
.contact-form { position: relative; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form.compact .form-row { grid-template-columns: 1fr; gap: 0; }
.field { display: block; margin-bottom: 18px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 16px 0; border: 0; border-bottom: 1px solid #d9dae3; background: transparent; border-radius: 0;
  font: inherit; font-size: 16px; color: var(--ink); transition: border-color .25s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder, .field textarea::placeholder { color: var(--muted); }
.field input:focus, .field textarea:focus, .field select:focus { outline: 0; border-color: var(--ink); }
.field.invalid input, .field.invalid textarea { border-color: #d03a3a; }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: 13px; line-height: 1.55; margin: 8px 0 26px; }
.check input { margin-top: 3px; width: 16px; height: 16px; flex-shrink: 0; accent-color: var(--accent); }
.check a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.form-foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.contact-form.compact .btn { width: 100%; }
.form-msg { margin: 0; font-size: 14.5px; }
.form-msg.ok { color: #2a8a52; }
.form-msg.err { color: #c43333; }
.contact-form.sending .btn { opacity: .6; pointer-events: none; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

/* CTA & video & 404 */
.cta-box { position: relative; background: var(--dark); padding: 100px 80px; overflow: hidden; }
.cta-box .title, .cta-box .subtitle { color: #fff; }
.cta-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .4; }
.cta-inner { position: relative; z-index: 1; max-width: 760px; }
.video-frame { aspect-ratio: 16/9; background: #000; }
.video-frame iframe, .video-frame video { width: 100%; height: 100%; border: 0; }
.notfound .btn { margin-top: 20px; }
.ph { background: linear-gradient(135deg, #e6e8f7, #d8dbf0); width: 100%; aspect-ratio: 4/3; }

/* ---------- Footer ---------- */
.site-footer { position: relative; background: var(--night); color: var(--foot-text); padding: 110px 0 0; overflow: hidden; font-size: 17px; }
.footer-glow { position: absolute; inset: 0; pointer-events: none; background:
  radial-gradient(520px 320px at 100% 0%, rgba(67,97,238,.35), transparent 70%),
  radial-gradient(480px 300px at 0% 100%, rgba(120,60,220,.3), transparent 70%); }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 60px; padding-bottom: 80px; }
.footer-col h6 { color: #fcfcfc; font-size: 19px; line-height: 1.47; margin-bottom: 22px; }
.footer-col p { line-height: 1.66; margin-bottom: 10px; }
.footer-about p { max-width: 440px; }
.office-city { color: #fff; }
.lbl { color: #96999f; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 6px; }
.footer-col a:hover { color: #fff; }
.footer-col a.ul { border-bottom: 1px solid rgba(210,211,213,.4); }
.footer-social { display: flex; flex-direction: column; gap: 6px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 28px 0 34px; border-top: 1px solid rgba(255,255,255,.1); font-size: 16px; color: #96999f; }
.footer-bottom p { margin: 0; }
.footer-bottom a:hover { color: #fff; }

.to-top { position: fixed; right: 26px; bottom: 26px; z-index: 40; width: 44px; height: 44px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s; }
.to-top.on { opacity: 1; visibility: visible; transform: none; }
.whatsapp-float { position: fixed; left: 24px; bottom: 24px; z-index: 40; width: 56px; height: 56px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 30px -8px rgba(37,211,102,.6); transition: transform .3s var(--ease); }
.whatsapp-float:hover { transform: scale(1.08); }

/* Lightbox & video penceresi */
.lightbox, .video-modal { position: fixed; inset: 0; z-index: 100; background: rgba(0,3,9,.92); display: grid; place-items: center; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; }
.lightbox.on, .video-modal.on { opacity: 1; visibility: visible; }
.lightbox img { max-width: 90vw; max-height: 86vh; }
.lightbox button, .video-modal button { position: absolute; background: none; border: 0; color: #fff; font-size: 44px; line-height: 1; padding: 16px; opacity: .85; }
.lightbox button:hover, .video-modal button:hover { opacity: 1; }
.lb-close, .vm-close { top: 10px; right: 16px; }
.lb-prev { left: 10px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 10px; top: 50%; transform: translateY(-50%); }
.vm-frame { width: min(1100px, 92vw); aspect-ratio: 16/9; background: #000; }
.vm-frame iframe { width: 100%; height: 100%; border: 0; }

/* Görünme animasyonu */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .mq-track, .vb-play::before { animation: none; }
  .hs-bg { transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Duyarlı ---------- */
@media (max-width: 1279px) {
  .wrap { padding: 0 40px; }
  .main-nav > ul > li > a { padding: 12px 8px; font-size: 16px; }
  .sg-grid { gap: 60px 32px; }
  .fp-box { padding: 80px 60px 80px 130px; }
  .vi-stats { margin-left: -80px; padding: 40px 46px; }
}
@media (max-width: 1100px) {
  :root { --header-h: 90px; }
  .main-nav, .header-actions .btn { display: none; }
  .menu-toggle { display: block; }
  .logo img { height: 58px; }
  .sg-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-grid { gap: 60px; }
  .sd-grid { grid-template-columns: 1fr; }
  .sd-side { position: static; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .logo-grid { grid-template-columns: repeat(4, 1fr); }
  .vi-grid { grid-template-columns: 1fr; }
  .vi-stats { margin-left: 0; }
  .qh-content { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 760px) {
  :root { --header-h: 76px; }
  .wrap { padding: 0 20px; }
  .section { padding: 90px 0; }
  .logo img { height: 46px; }
  .logo-text { font-size: 21px; }
  .hero-slider { height: 82svh; min-height: 520px; }
  .hs-content { bottom: 100px; }
  .ai-grid, .contact-grid, .ts-grid { grid-template-columns: 1fr; gap: 50px; }
  .ai-media { margin-top: 0; }
  .ai-img2 { width: 80%; margin-bottom: 40px; }
  .ai-icons { grid-template-columns: repeat(2, 1fr); }
  .sg-grid { grid-template-columns: 1fr; gap: 50px; }
  .video-band { height: 360px; }
  .marquee-sec.dark { padding: 70px 0; }
  .fp-grid { grid-template-columns: 1fr; }
  .fp-box { margin: -60px 20px 0; padding: 46px 28px; }
  .vi-text { grid-template-columns: 1fr; }
  .vi-stats { grid-template-columns: 1fr 1fr; gap: 24px; padding: 32px 26px; }
  .contact-box { padding: 36px 24px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .gal-grid.cols-3, .gal-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .title-bar { padding: 80px 0 70px; }
  .prose blockquote { padding: 32px 26px; font-size: 20px; }
  .map { height: 340px; margin-top: 70px; }
  .whatsapp-float { width: 50px; height: 50px; left: 16px; bottom: 16px; }
  .to-top { right: 16px; bottom: 16px; }
}