/* =========================================================
   MG Mühendislik — ana stil dosyası
   ========================================================= */
:root {
  --navy-950: #061525;
  --navy-900: #091e31;
  --navy-800: #0e2a44;
  --navy-700: #163a5a;
  --orange: #f68b16;
  --orange-600: #e07a0a;
  --ink: #0f2236;
  --text: #4a5d70;
  --muted: #7b8c9c;
  --line: #e3e9ef;
  --bg: #ffffff;
  --bg-soft: #f4f7fa;
  --on-dark: #ffffff;
  --on-dark-muted: #a9b9c8;

  --font-head: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --radius: 6px;
  --header-h: 84px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 400 16px/1.7 var(--font-body);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--ink); margin: 0; line-height: 1.15; letter-spacing: -.02em; }
h2 { font-size: clamp(30px, 3.6vw, 48px); font-weight: 700; margin-bottom: 18px; }
h3 { font-size: 20px; font-weight: 700; }
p { margin: 0 0 16px; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 32px; }
.section { padding: clamp(80px, 10vw, 130px) 0; position: relative; }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--orange); color: #fff; padding: 10px 16px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

/* ---------- Ortak parçalar ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font: 600 12px/1 var(--font-head);
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.eyebrow-live::before { display: none; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 0 rgba(246,139,22,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(246,139,22,0); } 100% { box-shadow: 0 0 0 0 rgba(246,139,22,0); } }

.lead { font-size: 18px; color: var(--ink); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 28px;
  font: 600 15px/1 var(--font-head); letter-spacing: .01em;
  border: 1px solid transparent; border-radius: var(--radius);
  cursor: pointer; transition: background .25s, color .25s, border-color .25s, transform .25s var(--ease);
}
.btn span { transition: transform .25s var(--ease); }
.btn:hover span { transform: translateX(4px); }
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-600); }
.btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; backdrop-filter: blur(6px); background: rgba(255,255,255,.04); }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.12); }
.btn-dark { background: var(--navy-900); color: #fff; }
.btn-dark:hover { background: var(--navy-700); }

.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 64px; align-items: end; margin-bottom: 56px; }
.section-head > p { max-width: 520px; justify-self: end; margin: 0; }
.section-head h2 { margin: 0; }
.section-head.center { grid-template-columns: 1fr; text-align: center; justify-items: center; max-width: 760px; margin-inline: auto; }
.section-head.center > p { justify-self: center; }
.section-head.center .eyebrow::after { content: ""; width: 28px; height: 2px; background: currentColor; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  height: var(--header-h);
  color: #fff;
  transition: background .35s, height .35s, box-shadow .35s, color .35s;
}
.site-header.scrolled {
  --header-h: 70px;
  background: rgba(255,255,255,.96);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--ink);
  box-shadow: 0 1px 0 var(--line), 0 10px 30px rgba(9,30,49,.06);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 12px; color: inherit; }
.brand-mark { width: 40px; height: 40px; flex: none; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-text { font: 800 28px/1 var(--font-head); letter-spacing: -.04em; display: flex; flex-wrap: wrap; width: 112px; }
.brand-text b { color: var(--orange); font-weight: 800; }
.brand-text small { flex-basis: 100%; font: 600 9px/1 var(--font-head); letter-spacing: .38em; margin-top: 6px; opacity: .85; }

.nav { display: flex; align-items: center; gap: 34px; }
.nav a:not(.btn) { font: 500 15px/1 var(--font-head); position: relative; padding: 8px 0; opacity: .92; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px; background: var(--orange); transition: right .3s var(--ease); }
.nav a:not(.btn):hover::after, .nav a.active::after { right: 0; }
.nav .nav-cta { min-height: 44px; padding: 0 20px; margin-left: 6px; }

.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: none; color: inherit; cursor: pointer; padding: 10px; }
.menu-toggle span { display: block; height: 2px; background: currentColor; margin: 5px 0; transition: transform .3s, opacity .3s; }
.menu-open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  background: var(--navy-950); color: #fff;
  padding: calc(var(--header-h) + 40px) 0 0;
}
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-fallback, .hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-fallback { transform-origin: 70% 60%; animation: kenburns 28s ease-in-out infinite alternate; }
@keyframes kenburns { from { transform: scale(1.04); } to { transform: scale(1.16) translate(-1.5%, -1%); } }


.hero-shade {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(6,21,37,.94) 0%, rgba(6,21,37,.78) 38%, rgba(6,21,37,.25) 75%, rgba(6,21,37,.1) 100%),
    linear-gradient(0deg, rgba(6,21,37,.95) 0%, rgba(6,21,37,0) 35%),
    linear-gradient(180deg, rgba(6,21,37,.6) 0%, rgba(6,21,37,0) 22%);
}
.hero-content { flex: 1; display: flex; flex-direction: column; justify-content: center; padding-bottom: 60px; }
.hero .eyebrow { color: #fff; font-weight: 500; letter-spacing: .18em; }
.hero-title {
  color: #fff; font-weight: 800;
  font-size: clamp(42px, 6.4vw, 88px);
  line-height: 1.02; letter-spacing: -.035em;
  max-width: 900px; margin: 0 0 26px;
}
.hero-title em { font-style: normal; color: var(--orange); }
.hero-lead { max-width: 580px; font-size: clamp(16px, 1.4vw, 19px); color: #d3dee8; margin-bottom: 38px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-content > * { opacity: 0; transform: translateY(24px); animation: rise .9s var(--ease) forwards; }
.hero-content > :nth-child(2) { animation-delay: .12s; }
.hero-content > :nth-child(3) { animation-delay: .24s; }
.hero-content > :nth-child(4) { animation-delay: .36s; }
@keyframes rise { to { opacity: 1; transform: none; } }

.hero-bar { position: relative; background: var(--navy-950); border-top: 1px solid rgba(255,255,255,.08); }
.hero-bar::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 1px; background: linear-gradient(90deg, transparent, var(--orange), transparent); opacity: .6; }
.hero-bar-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.hero-bar-item { display: flex; flex-direction: column; gap: 8px; padding: 36px 28px; border-left: 1px solid rgba(255,255,255,.12); font-size: 14px; color: var(--on-dark-muted); }
.hero-bar-item:first-child { border-left: 0; padding-left: 0; }
.hero-bar-item .kv { font: 700 26px/1 var(--font-head); color: #fff; letter-spacing: -.01em; transition: color .3s; }
.hero-bar-item:hover .kv { color: var(--orange); }


/* ---------- Kurumsal ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(48px, 7vw, 100px); align-items: center; }
.about-media { position: relative; }
.about-img { aspect-ratio: 11 / 13; overflow: hidden; border-radius: var(--radius); }
.about-img img { width: 100%; height: 124%; object-fit: cover; position: relative; top: -12%; }
.about-media::before { content: ""; position: absolute; left: -22px; top: -22px; width: 45%; height: 45%; border-left: 3px solid var(--orange); border-top: 3px solid var(--orange); z-index: -1; }
.about-badge {
  position: absolute; right: -28px; bottom: 44px;
  display: flex; align-items: center; gap: 16px;
  background: var(--navy-900); color: #fff;
  padding: 24px 28px; border-radius: var(--radius);
  box-shadow: 0 24px 50px rgba(9,30,49,.28);
}
.about-badge strong { font: 800 52px/1 var(--font-head); color: var(--orange); letter-spacing: -.04em; }
.about-badge span { font-size: 14px; line-height: 1.35; color: var(--on-dark-muted); }

.checks { display: grid; gap: 12px; margin: 28px 0 36px; }
.checks li { position: relative; padding-left: 34px; color: var(--ink); font-weight: 500; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 22px; height: 22px; border-radius: 50%;
  background: rgba(246,139,22,.12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f68b16' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center / 13px no-repeat;
}

.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.stat { padding: 26px 20px 0 0; }
.stat + .stat { padding-left: 24px; border-left: 1px solid var(--line); }
.stat strong { display: block; font: 800 clamp(28px, 3vw, 40px)/1 var(--font-head); color: var(--ink); letter-spacing: -.03em; margin-bottom: 8px; }
.stat span { font-size: 14px; color: var(--muted); }

/* ---------- Hizmetler ---------- */
.services { background: var(--navy-900); color: var(--on-dark-muted); overflow: hidden; }
.services::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 80% 0%, #000 0%, transparent 70%);
}
.services h2, .services h3 { color: #fff; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; }
.card {
  background: var(--navy-800); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.card:hover { transform: translateY(-6px); border-color: rgba(246,139,22,.45); box-shadow: 0 30px 60px rgba(0,0,0,.35); }
.card-img { aspect-ratio: 16 / 10; overflow: hidden; position: relative; }
.card-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(14,42,68,0) 40%, rgba(14,42,68,.85) 100%); }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); filter: saturate(.85); }
.card:hover .card-img img { transform: scale(1.07); }
.card-body { padding: 26px 28px 32px; position: relative; }
.card-no { position: absolute; top: -22px; right: 24px; font: 700 13px/1 var(--font-head); color: #fff; background: var(--orange); padding: 12px 12px; border-radius: 4px; letter-spacing: .05em; }
.card h3 { margin-bottom: 10px; font-size: 21px; }
.card p { margin: 0; font-size: 15px; }

/* ---------- Enerjinin yolculuğu ---------- */
.journey { background: var(--bg-soft); }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; counter-reset: flow; }
.flow::before {
  content: ""; position: absolute; left: 12.5%; right: 12.5%; top: 44px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--orange) 0 10px, transparent 10px 18px);
  background-size: 36px 2px;
  animation: dash 1.2s linear infinite;
  opacity: .7;
}
@keyframes dash { to { background-position: 36px 0; } }
.flow li { text-align: center; position: relative; padding: 0 8px; }
.flow-icon {
  width: 88px; height: 88px; margin: 0 auto 22px; border-radius: 50%;
  display: grid; place-items: center; background: #fff; border: 1px solid var(--line);
  box-shadow: 0 14px 30px rgba(9,30,49,.08); position: relative; z-index: 1;
  transition: transform .4s var(--ease), border-color .4s;
}
.flow li:hover .flow-icon { transform: translateY(-4px); border-color: var(--orange); }
.flow-icon svg { width: 40px; height: 40px; fill: none; stroke: var(--navy-900); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.flow-kv { display: inline-block; font: 700 12px/1 var(--font-head); letter-spacing: .1em; color: var(--orange); background: rgba(246,139,22,.1); padding: 7px 10px; border-radius: 20px; margin-bottom: 14px; }
.flow h3 { margin-bottom: 6px; }
.flow p { font-size: 15px; margin: 0; color: var(--muted); }

/* ---------- Süreç ---------- */
.process-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(48px, 7vw, 110px); align-items: start; }
.process-intro { position: sticky; top: 120px; }
.process-intro .btn { margin-top: 12px; }
.steps { display: grid; gap: 0; border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 90px 1fr; gap: 20px; padding: 34px 0; border-bottom: 1px solid var(--line); transition: background .3s; }
.step-no { font: 800 44px/1 var(--font-head); color: transparent; -webkit-text-stroke: 1.5px var(--orange); letter-spacing: -.03em; transition: color .3s; }
.step:hover .step-no { color: var(--orange); }
.step h3 { margin-bottom: 8px; font-size: 22px; }
.step p { margin: 0; }

/* ---------- Neden MG ---------- */
.why { background: var(--navy-950); color: var(--on-dark-muted); overflow: hidden; isolation: isolate; }
.why-media { position: absolute; inset: 0; z-index: -1; }
.why-media img { width: 100%; height: 100%; object-fit: cover; opacity: .22; filter: grayscale(.4); }
.why-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--navy-950) 15%, rgba(6,21,37,.6) 100%); }
.why h2, .why h3 { color: #fff; }
.why-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: center; }
.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); overflow: hidden; }
.value { background: rgba(6,21,37,.82); padding: 36px 32px; transition: background .3s; }
.value:hover { background: rgba(14,42,68,.92); }
.value svg { width: 38px; height: 38px; fill: none; stroke: var(--orange); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 22px; }
.value h3 { margin-bottom: 10px; font-size: 19px; }
.value p { margin: 0; font-size: 15px; }

/* ---------- Deneyim ---------- */
.clients { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 40px; }
.clients li {
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  min-height: 150px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .3s, box-shadow .3s, transform .3s var(--ease);
}
.clients li:hover { border-color: var(--orange); box-shadow: 0 20px 40px rgba(9,30,49,.08); transform: translateY(-3px); }
.clients strong { font: 800 34px/1 var(--font-head); color: var(--navy-900); letter-spacing: -.02em; margin-bottom: 10px; }
.clients span { font-size: 13px; color: var(--muted); }

.sectors { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.sector { display: flex; align-items: center; gap: 12px; padding: 18px 18px; background: var(--bg-soft); border-radius: var(--radius); font: 600 15px/1.3 var(--font-head); color: var(--ink); }
.sector span { font-size: 12px; color: var(--orange); }

/* ---------- CTA ---------- */
.cta { position: relative; isolation: isolate; overflow: hidden; padding: clamp(90px, 12vw, 150px) 0; color: #fff; }
.cta-media { position: absolute; inset: 0; z-index: -1; }
.cta-media img { width: 100%; height: 100%; object-fit: cover; }
.cta-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,21,37,.92) 0%, rgba(6,21,37,.55) 60%, rgba(6,21,37,.25) 100%); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta h2 { color: #fff; max-width: 720px; margin: 0; font-size: clamp(30px, 4vw, 54px); font-weight: 800; }

/* ---------- İletişim ---------- */
.contact { background: var(--bg-soft); }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.info-list { display: grid; gap: 22px; margin-top: 36px; }
.info-list li { display: flex; gap: 16px; align-items: flex-start; }
.info-list li[hidden] { display: none; }
.info-list svg { flex: none; width: 46px; height: 46px; padding: 12px; border-radius: 50%; background: #fff; border: 1px solid var(--line); fill: none; stroke: var(--orange); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.info-list span { display: block; font-size: 13px; color: var(--muted); }
.info-list strong, .info-list a { font: 600 17px/1.4 var(--font-head); color: var(--ink); }
.info-list a:hover { color: var(--orange); }

.contact-form { background: #fff; padding: clamp(28px, 4vw, 48px); border-radius: var(--radius); box-shadow: 0 30px 70px rgba(9,30,49,.08); display: grid; gap: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field span { font: 600 13px/1 var(--font-head); color: var(--ink); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 15px; color: var(--ink);
  padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-soft);
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--orange); background: #fff; box-shadow: 0 0 0 4px rgba(246,139,22,.12); }
.field .invalid { border-color: #d64545; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--text); cursor: pointer; }
.consent input { margin-top: 4px; accent-color: var(--orange); width: 16px; height: 16px; flex: none; }
.consent.invalid span { color: #d64545; }
.contact-form .btn { justify-self: start; }
.form-note { margin: 0; font-size: 14px; min-height: 1em; }
.form-note.ok { color: #1f8a4c; }
.form-note.err { color: #d64545; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: var(--on-dark-muted); padding: 80px 0 0; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 56px; }
.brand-light { color: #fff; margin-bottom: 20px; }
.footer-brand p { max-width: 320px; }
.site-footer h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; letter-spacing: .02em; }
.site-footer .footer-grid a:not(.brand) { display: block; padding: 5px 0; transition: color .2s; }
.site-footer .footer-grid a[hidden] { display: none; }
.site-footer a:hover { color: var(--orange); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 24px 32px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; }

.whatsapp { position: fixed; right: 22px; bottom: 22px; z-index: 40; width: 56px; height: 56px; border-radius: 50%; background: #25d366; display: grid; place-items: center; box-shadow: 0 14px 30px rgba(0,0,0,.25); transition: transform .3s var(--ease); }
.whatsapp[hidden] { display: none; }
.whatsapp:hover { transform: scale(1.08); }
.whatsapp svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Scroll animasyonları ---------- */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav { gap: 24px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .sectors { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .wrap { padding: 0 22px; }
  .menu-toggle, .site-header .brand { display: block; position: relative; z-index: 2; }
  .site-header .brand { display: inline-flex; }
  .nav {
    position: fixed; inset: 0; z-index: 1;
    flex-direction: column; justify-content: center; gap: 8px;
    background: var(--navy-950); color: #fff;
    opacity: 0; visibility: hidden; transition: opacity .35s, visibility .35s;
  }
  .nav a:not(.btn) { font-size: 26px; padding: 12px 0; }
  .nav .nav-cta { margin: 24px 0 0; }
  .menu-open .nav { opacity: 1; visibility: visible; }
  .menu-open .site-header { color: #fff; background: transparent; box-shadow: none; }
  .menu-open { overflow: hidden; }

  .hero-bar-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-bar-item { padding: 18px 16px; }
  .hero-bar-item:nth-child(odd) { border-left: 0; padding-left: 0; }
  .hero-bar-item:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.12); }

  .section-head { grid-template-columns: 1fr; }
  .section-head > p { justify-self: start; }
  .about-grid, .process-grid, .why-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-media { max-width: 520px; }
  .about-badge { right: 16px; }
  .process-intro { position: static; }
  .flow { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .flow::before { display: none; }
  .clients { grid-template-columns: 1fr; }
  .clients li { min-height: 110px; }
}

@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .footer-bottom { padding: 24px 16px; }
  .hero-title { font-size: clamp(38px, 11vw, 52px); }
  .hero-shade { background: linear-gradient(180deg, rgba(6,21,37,.75) 0%, rgba(6,21,37,.82) 45%, rgba(6,21,37,.95) 100%); }
  .hero .eyebrow { font-size: 11px; letter-spacing: .12em; }
  .hero-content { padding-bottom: 44px; }
  .hero-actions .btn { flex: 1 1 auto; }
  .hero-bar-item .kv { font-size: 18px; }
  .hero-bar-item { font-size: 13px; }
  .cards { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { grid-column: 1 / -1; border-left: 0; padding-left: 0; border-top: 1px solid var(--line); margin-top: 24px; }
  .stat:nth-child(3) strong { font-size: 26px; }
  .about-badge { padding: 18px 20px; bottom: 20px; }
  .about-badge strong { font-size: 40px; }
  .about-media::before { left: -10px; top: -10px; }
  .step { grid-template-columns: 64px 1fr; }
  .step-no { font-size: 34px; }
  .values { grid-template-columns: 1fr; }
  .sectors { grid-template-columns: 1fr 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .contact-form .btn { justify-self: stretch; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

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

@media print {
  .js .reveal { opacity: 1; transform: none; }
  .site-header, .hero-media, .hero-player, .marquee, .whatsapp { display: none; }
}

/* =========================================================
   HAREKET KATMANI
   ========================================================= */

/* ---------- Kaydırma ilerleme çubuğu ---------- */
.scroll-progress { position: absolute; left: 0; top: 0; z-index: 3; width: 100%; height: 3px; background: linear-gradient(90deg, var(--orange), #ffb35c); transform-origin: left; transform: scaleX(0); }

/* ---------- Hero video ---------- */
.hero-video { opacity: 0; z-index: 0; transition: opacity 1.2s ease; }
.hero-video.front { z-index: 1; }
.hero-video.is-playing { opacity: 1; animation: push 12s linear both; }
@keyframes push { from { transform: scale(1.02); } to { transform: scale(1.12); } }
.hero.has-video .hero-fallback { opacity: 0; transition: opacity 1.2s; }
.hero.has-video .hero-shade {
  background:
    linear-gradient(90deg, rgba(6,21,37,.94) 0%, rgba(6,21,37,.74) 38%, rgba(6,21,37,.2) 68%, rgba(6,21,37,0) 100%),
    linear-gradient(0deg, rgba(6,21,37,.92) 0%, rgba(6,21,37,0) 32%),
    linear-gradient(180deg, rgba(6,21,37,.55) 0%, rgba(6,21,37,0) 20%);
}
.hero-media { will-change: transform; }
.hero-energy { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; pointer-events: none; }
.hero.has-video .hero-energy { opacity: .75; }
.hero-content { will-change: transform, opacity; }
.hero-lead, .hero .eyebrow { text-shadow: 0 1px 12px rgba(6,21,37,.7); }

/* Video oynatıcı */
.hero-player {
  position: absolute; right: 32px; bottom: 40px; z-index: 3;
  display: flex; align-items: center; gap: 14px; width: 300px;
  padding: 10px 20px 10px 10px; border-radius: 40px;
  background: rgba(6,21,37,.55); border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  color: #fff; animation: rise .8s var(--ease) both;
}
.hero-player[hidden] { display: none; }
.hp-toggle { flex: none; width: 44px; height: 44px; border: 0; border-radius: 50%; background: var(--orange); display: grid; place-items: center; cursor: pointer; transition: transform .25s var(--ease), background .25s; position: relative; }
.hp-toggle::after { content: ""; position: absolute; inset: -5px; border-radius: 50%; border: 1px solid rgba(246,139,22,.6); animation: ring 2.4s infinite; }
.paused .hp-toggle::after { animation: none; opacity: 0; }
@keyframes ring { from { transform: scale(.9); opacity: 1; } to { transform: scale(1.35); opacity: 0; } }
.hp-toggle:hover { transform: scale(1.08); background: var(--orange-600); }
.hp-toggle svg { width: 16px; height: 16px; fill: #fff; }
.hp-toggle .i-play, .paused .hp-toggle .i-pause { display: none; }
.paused .hp-toggle .i-play { display: block; }
.hp-meta { flex: 1; min-width: 0; display: grid; gap: 5px; }
.hp-label { display: flex; align-items: center; gap: 8px; font: 600 11px/1 var(--font-head); letter-spacing: .18em; text-transform: uppercase; color: var(--on-dark-muted); }
.hp-label b { color: #fff; font-weight: 700; }
.single .hp-label b, .single .hp-label .hp-total { display: none; }
.rec { width: 7px; height: 7px; border-radius: 50%; background: #ff4d4d; box-shadow: 0 0 8px #ff4d4d; animation: blink 1.4s infinite; }
.paused .rec { animation: none; background: var(--muted); box-shadow: none; }
@keyframes blink { 50% { opacity: .25; } }
.hp-caption { font: 500 14px/1.25 var(--font-head); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hp-caption.swap { animation: capin .7s var(--ease); }
@keyframes capin { from { opacity: 0; transform: translateY(8px); } }
.hp-bar { height: 2px; border-radius: 2px; background: rgba(255,255,255,.18); overflow: hidden; }
.hp-bar i { display: block; height: 100%; background: var(--orange); transform-origin: left; transform: scaleX(0); transition: transform .3s linear; }

/* Başlık: kelime kelime */
.split .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .1em; margin-bottom: -.1em; }
.split .w > span { display: inline-block; transform: translateY(110%); transition: transform 1s var(--ease); transition-delay: calc(var(--i, 0) * 70ms); }
.split.in .w > span { transform: none; }
.split.done .w { overflow: visible; }
.js h2.reveal.split { opacity: 1; transform: none; }
.hero-content > .hero-title { opacity: 1; transform: none; animation: none; }

.hero-title em { position: relative; display: inline-block; text-shadow: 0 0 34px rgba(246,139,22,.45); animation: flicker 6s 2.4s infinite; }
.hero-title em::after { content: ""; position: absolute; left: 0; right: 0; bottom: .02em; height: .07em; border-radius: 4px; background: var(--orange); box-shadow: 0 0 18px var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .9s var(--ease) 1.1s; }
.hero-title.in em::after { transform: scaleX(1); }
@keyframes flicker { 0%, 88%, 100% { opacity: 1; } 90% { opacity: .55; } 91% { opacity: 1; } 93% { opacity: .7; } 94% { opacity: 1; } }

/* Butonlar: parıltı + mıknatıs */
.btn-primary { position: relative; overflow: hidden; isolation: isolate; }
.btn-primary::after { content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%; z-index: -1; background: linear-gradient(90deg, transparent, rgba(255,255,255,.45), transparent); transform: skewX(-20deg); }
.btn-primary:hover::after { animation: shine .8s var(--ease); }
.hero .btn-primary::after, .cta .btn-primary::after { animation: shine 1.1s var(--ease) 2.5s infinite; animation-duration: 4.5s; }
@keyframes shine { 0% { left: -60%; } 25%, 100% { left: 130%; } }
.magnetic { transition: transform .35s var(--ease), background .25s, color .25s, border-color .25s; }

/* ---------- Kayan bantlar ---------- */
.marquee { position: relative; overflow: hidden; white-space: nowrap; user-select: none; }
.marquee-track { display: inline-flex; align-items: center; gap: 40px; padding-right: 40px; will-change: transform; }
.marquee span { font: 800 clamp(30px, 4.4vw, 64px)/1 var(--font-head); letter-spacing: -.02em; text-transform: uppercase; }
.marquee i { font-style: normal; font-size: clamp(18px, 2vw, 30px); }
.marquee-solid { background: var(--orange); color: var(--navy-950); padding: 24px 0; }
.marquee-solid i { color: #fff; }
.marquee-outline { background: var(--bg); padding: 48px 0; border-top: 1px solid var(--line); }
.marquee-outline span { color: transparent; -webkit-text-stroke: 1.5px var(--navy-900); }
.marquee-outline span:nth-of-type(odd) { color: var(--navy-900); -webkit-text-stroke: 0; }
.marquee-outline i { color: var(--orange); }

/* ---------- Görsel açılışları ve parallax ---------- */
[data-parallax] { will-change: transform; }
.why-media img, .cta-media img { position: absolute; left: 0; top: -12%; height: 124%; }
.js .about-media.reveal .about-img { clip-path: inset(0 100% 0 0); transition: clip-path 1.3s var(--ease) .1s; }
.js .about-media.reveal.in .about-img { clip-path: inset(0 0 0 0); }
.js .about-media .about-badge { opacity: 0; transform: translateY(30px) scale(.9); transition: opacity .8s var(--ease) .9s, transform .8s var(--ease) .9s; }
.js .about-media.in .about-badge { opacity: 1; transform: none; }
.about-badge { animation: float 6s ease-in-out 2s infinite; }
@keyframes float { 50% { translate: 0 -10px; } }

/* Kartlar: açılış, 3D eğim, ışık */
.card { position: relative; transform-style: preserve-3d; }
.js .card.reveal .card-img { clip-path: inset(100% 0 0 0); transition: clip-path 1.1s var(--ease) .2s; }
.js .card.reveal.in .card-img { clip-path: inset(0 0 0 0); }
.card::before { content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none; border-radius: inherit; opacity: 0; transition: opacity .35s; background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(246,139,22,.2), transparent 45%); }
.card:hover::before { opacity: 1; }
.card.tilting { transition: transform .12s linear, border-color .45s, box-shadow .45s; }
.card-no { transition: transform .45s var(--ease); }
.card:hover .card-no { transform: translateY(-4px) rotate(-4deg); }

/* Hizmetler arka plan ızgarası akar */
.services::before { animation: gridmove 16s linear infinite; }
@keyframes gridmove { to { background-position: 64px 64px, 64px 64px; } }

/* ---------- Enerji akışı ---------- */
.flow::after {
  content: ""; position: absolute; top: 39px; left: 12.5%; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%;
  background: #fff; box-shadow: 0 0 0 4px var(--orange), 0 0 24px 8px rgba(246,139,22,.7);
  animation: travel 4s linear infinite; z-index: 2;
}
@keyframes travel { 0% { left: 12.5%; opacity: 0; } 4% { opacity: 1; } 80% { left: 87.5%; opacity: 1; } 86%, 100% { left: 87.5%; opacity: 0; } }
.flow li:nth-child(1) { --k: 0; } .flow li:nth-child(2) { --k: 1; } .flow li:nth-child(3) { --k: 2; } .flow li:nth-child(4) { --k: 3; }
.flow-icon { animation: node 4s linear infinite; animation-delay: calc(var(--k) * 1.067s); }
@keyframes node {
  0% { border-color: var(--orange); box-shadow: 0 0 0 10px rgba(246,139,22,.16), 0 14px 30px rgba(9,30,49,.08); }
  18%, 100% { border-color: var(--line); box-shadow: 0 0 0 0 rgba(246,139,22,0), 0 14px 30px rgba(9,30,49,.08); }
}

/* Çizgiyle çizilen ikonlar */
.js .value svg > *, .js .flow-icon svg > * { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.6s var(--ease) .35s; }
.js .value.in svg > *, .js .flow.in .flow-icon svg > * { stroke-dashoffset: 0; }

/* ---------- Süreç: ilerleme çizgisi ---------- */
.steps { position: relative; padding-left: 32px; }
.steps::before, .steps::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--line); }
.steps::after { background: var(--orange); transform-origin: top; transform: scaleY(var(--p, 0)); box-shadow: 0 0 12px rgba(246,139,22,.6); }
.step { position: relative; }
.step::before { content: ""; position: absolute; left: -37px; top: 50px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 2px solid var(--line); transition: border-color .4s, background .4s, box-shadow .4s; z-index: 1; }
.step.active::before { border-color: var(--orange); background: var(--orange); box-shadow: 0 0 0 6px rgba(246,139,22,.18); }
.step.active .step-no { color: var(--orange); }
.step h3 { transition: color .4s; }

/* Değerler: ikon kutusu nabzı */
.value { position: relative; overflow: hidden; }
.value::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.value:hover::after { transform: scaleX(1); }

/* Kurum kutuları */
.clients li { position: relative; overflow: hidden; }
.clients li::before { content: ""; position: absolute; inset: 0; background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), rgba(246,139,22,.12), transparent 50%); opacity: 0; transition: opacity .3s; }
.clients li:hover::before { opacity: 1; }

/* ---------- Mobil ---------- */
@media (max-width: 900px) {
  .hero-player { position: relative; right: auto; bottom: auto; order: 2; align-self: flex-start; margin: 0 22px 22px; }
  .steps { padding-left: 24px; }
  .step::before { left: -29px; }
  .flow::after { display: none; }
}
@media (max-width: 600px) {
  .hero-player { margin: 0 16px 18px; width: calc(100% - 32px); }
  .marquee-solid { padding: 16px 0; }
  .marquee-outline { padding: 32px 0; }
  .marquee-track { gap: 24px; padding-right: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .split .w > span { transform: none; }
  .js .about-media.reveal .about-img, .js .card.reveal .card-img { clip-path: none; }
  .js .about-media .about-badge { opacity: 1; transform: none; }
  .js .value svg > *, .js .flow-icon svg > * { stroke-dashoffset: 0; }
  .flow::after { display: none; }
}

.cta h2 em { font-style: normal; color: var(--orange); }
.stat:nth-child(3) strong { font-size: clamp(22px, 2.2vw, 30px); padding-top: 6px; white-space: nowrap; }
@media (max-width: 600px) {
  .hero.has-video .hero-shade { background: linear-gradient(180deg, rgba(6,21,37,.7) 0%, rgba(6,21,37,.78) 50%, rgba(6,21,37,.92) 100%); }
}


/* =========================================================
   LOGO, İLETİŞİM, MOBİL MENÜ DÜZELTMELERİ
   ========================================================= */

.info-list address { font: 600 16px/1.5 var(--font-head); font-style: normal; color: var(--ink); }
.info-list small { display: block; margin-top: 3px; font-size: 13px; line-height: 1.4; color: var(--muted); }
.info-list a.map-link { display: inline-block; margin-top: 8px; font: 600 14px/1 var(--font-head); color: var(--orange); }
.info-list a.map-link:hover { color: var(--orange-600); }
.info-list li > div { min-width: 0; }
.info-list a { overflow-wrap: anywhere; }

.footer-address { max-width: 260px; margin-bottom: 8px; }
.legal { display: grid; gap: 4px; }

@media (max-width: 900px) {
  /* Kaydırılmış başlıktaki bulanıklık, sabit konumlu menüyü başlığın
     içine hapsediyordu; menü açıkken kaldırılır. */
  .menu-open .site-header { -webkit-backdrop-filter: none; backdrop-filter: none; height: var(--header-h); }
  .menu-open .scroll-progress { opacity: 0; }
  .nav {
    height: 100vh; height: 100dvh;
    overflow-y: auto; overscroll-behavior: contain;
    padding: 96px 24px 40px;
    justify-content: center; justify-content: safe center;
  }
}
@media (max-width: 600px) {
  .footer-bottom { flex-direction: column; }
}
@media (max-height: 500px) and (max-width: 900px) {
  .nav a:not(.btn) { font-size: 20px; padding: 6px 0; }
  .nav .nav-cta { margin-top: 12px; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .footer-grid > .footer-brand, .footer-grid > :last-child { grid-column: 1 / -1; }
}

/* Parallax ile taşan katmanlar kapsayıcıyı kendi içinde kaydıramasın
   (overflow: hidden kaydırılabilir; clip kaydırılamaz) */
.hero, .services, .why, .cta, .marquee, .about-img, .card-img { overflow: clip; }