/* ============================================================
   GoSYS — Tasarım Sistemi
   Palet: Zümrüt-Petrol #14453D · Bronz #C6934B · Kağıt #F6F4EF
   Tipografi: Fraunces (başlık) · Inter (metin)
   ============================================================ */

:root {
  --ink: #10201d;
  --ink-soft: #3d4f4b;
  --muted: #66756f;
  --primary: #14453d;
  --primary-deep: #0c2f2a;
  --primary-soft: #e7efe9;
  --accent: #c6934b;
  --accent-strong: #a97430;
  --accent-soft: #f6ecdd;
  --paper: #f6f4ef;
  --card: #ffffff;
  --line: #e4e0d5;
  --dark: #0d1f1c;
  --on-dark: #eef1ec;
  --on-dark-muted: #a8b6ad;

  --ff-display: "Fraunces", Georgia, serif;
  --ff-body: "Inter", -apple-system, "Segoe UI", sans-serif;

  --fs-hero: clamp(2.4rem, 5.4vw, 4.2rem);
  --fs-h2: clamp(1.8rem, 3.4vw, 2.6rem);
  --fs-h3: clamp(1.25rem, 2vw, 1.5rem);
  --fs-body: 1.0625rem;

  --space-1: .5rem; --space-2: 1rem; --space-3: 1.5rem;
  --space-4: 2.5rem; --space-5: 4rem; --space-6: 6.5rem;

  --radius: 18px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(16,32,29,.06), 0 4px 14px rgba(16,32,29,.05);
  --shadow-md: 0 6px 28px rgba(16,32,29,.10);
  --shadow-lg: 0 18px 50px rgba(12,47,42,.18);

  --ease: cubic-bezier(.22,.8,.32,1);
  --dur: .28s;
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
h1,h2,h3,h4 { font-family: var(--ff-display); font-weight: 600; line-height: 1.15; margin: 0 0 .6em; color: var(--ink); letter-spacing: -.01em; }
h1 { font-size: var(--fs-hero); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { margin: 0 0 1em; }
.container { max-width: 1160px; margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2rem); }
.section { padding-block: var(--space-6); }
.section--tight { padding-block: var(--space-5); }

/* ---------- Üst şerit + Header ---------- */
.topbar {
  background: var(--primary-deep); color: var(--on-dark-muted);
  font-size: .82rem; padding: .45rem 0;
}
.topbar .container { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.topbar a { color: var(--on-dark); }

.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(246,244,239,.86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--dur) var(--ease);
}
.header.is-scrolled { box-shadow: var(--shadow-sm); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: .85rem; }
.logo { display: flex; align-items: center; }
.logo img { display: block; height: 46px; width: auto; }
@media (max-width: 560px) { .logo img { height: 38px; } }

.nav { display: flex; align-items: center; gap: .25rem; }
.nav a {
  padding: .55rem .8rem; border-radius: 999px; color: var(--ink-soft);
  font-size: .93rem; font-weight: 500; transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav a:hover { background: var(--primary-soft); color: var(--primary); }
.nav a.is-active { background: var(--primary); color: #fff; }
.nav a:focus-visible, .btn:focus-visible, .accordion__head:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .5rem .65rem; cursor: pointer; }
.nav-toggle svg { display: block; }

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: 0 0 auto 0; top: 0; flex-direction: column; align-items: stretch;
    background: var(--card); padding: 5.5rem 1.4rem 2rem; gap: .35rem;
    box-shadow: var(--shadow-lg); transform: translateY(-105%);
    transition: transform .38s var(--ease); z-index: 90;
  }
  .nav.is-open { transform: translateY(0); }
  .nav a { font-size: 1.05rem; padding: .8rem 1rem; }
}

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.6rem; border-radius: 999px; border: 0; cursor: pointer;
  font-family: var(--ff-body); font-size: .95rem; font-weight: 600;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.btn:active { transform: scale(.97); }
.btn--primary { background: var(--primary); color: #fff; box-shadow: 0 8px 22px rgba(20,69,61,.28); }
.btn--primary:hover { background: var(--primary-deep); transform: translateY(-2px); }
.btn--gold { background: var(--accent); color: #241703; box-shadow: 0 8px 22px rgba(198,147,75,.32); }
.btn--gold:hover { background: var(--accent-strong); color: #fff; transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--on-dark); border: 1.5px solid rgba(255,255,255,.35); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn svg { transition: transform var(--dur) var(--ease); }
.btn:hover svg { transform: translateX(4px); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    linear-gradient(115deg, rgba(12,47,42,.92) 0%, rgba(12,47,42,.72) 45%, rgba(12,47,42,.55) 100%),
    var(--hero-img, none) center/cover no-repeat,
    radial-gradient(120% 120% at 85% -10%, #1d5a50 0%, var(--primary) 38%, var(--primary-deep) 78%);
  color: var(--on-dark);
  padding-block: clamp(5rem, 11vw, 8.5rem);
}
/* Fotoğraf varsa hero (görsel yoksa degrade görünür — kırık görsel olmaz) */
.hero--photo { --hero-img: url("img/hero.jpg"); }
.hero--photo .hero__art { opacity: .28; }
.hero::before, .hero::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5; pointer-events: none;
}
.hero::before { width: 480px; height: 480px; background: #c6934b33; top: -160px; right: -120px; animation: drift 14s ease-in-out infinite alternate; }
.hero::after { width: 380px; height: 380px; background: #1d6a5c66; bottom: -180px; left: -100px; animation: drift 18s ease-in-out infinite alternate-reverse; }
@keyframes drift { from { transform: translate(0,0) scale(1); } to { transform: translate(40px,30px) scale(1.12); } }

.hero__grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: var(--space-5); align-items: center; }
@media (max-width: 920px) { .hero__grid { grid-template-columns: 1fr; } }
.hero h1 { color: #fff; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero p.lead { font-size: 1.15rem; color: var(--on-dark-muted); max-width: 34rem; }
.hero__cta { display: flex; gap: .9rem; flex-wrap: wrap; margin-top: var(--space-3); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: .8rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: var(--space-2);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--accent); }
.section .eyebrow { color: var(--accent-strong); }

/* Hero görsel paneli */
.hero__art { position: relative; min-height: 340px; }
.hero__art svg { width: 100%; height: auto; }
.float-card {
  position: absolute; background: rgba(255,255,255,.97); color: var(--ink);
  border-radius: var(--radius-sm); padding: .8rem 1.1rem; box-shadow: var(--shadow-lg);
  font-size: .85rem; display: flex; gap: .6rem; align-items: center;
  animation: floaty 6s ease-in-out infinite;
}
.float-card b { display: block; font-size: 1.05rem; }
.float-card--1 { top: 8%; right: 2%; animation-delay: 0s; }
.float-card--2 { bottom: 10%; left: 0; animation-delay: 1.6s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.float-card .dot { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); flex: none; }

/* ---------- Bölüm başlığı ---------- */
.section-head { max-width: 640px; margin-bottom: var(--space-4); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head p { color: var(--muted); }

/* ---------- Kartlar ---------- */
.grid { display: grid; gap: var(--space-3); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid--3, .grid--2, .grid--4 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: var(--space-4) var(--space-3); box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #d8cfba; }
.card__icon {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary-soft), #dcebe2); color: var(--primary); margin-bottom: var(--space-2);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card:hover .card__icon { background: var(--primary); color: #fff; transform: rotate(-6deg) scale(1.06); }
.card p { color: var(--muted); font-size: .95rem; margin-bottom: 0; }
.card .card-link { display: inline-flex; align-items: center; gap: .4rem; margin-top: var(--space-2); font-weight: 600; font-size: .9rem; }
.card .card-link svg { transition: transform var(--dur) var(--ease); }
.card:hover .card-link svg { transform: translateX(5px); }

/* ---------- Koyu bölüm / istatistik ---------- */
.dark-band { background: linear-gradient(135deg, var(--dark), var(--primary-deep)); color: var(--on-dark); position: relative; overflow: hidden; }
.dark-band h2, .dark-band h3 { color: #fff; }
.dark-band p { color: var(--on-dark-muted); }
.dark-band::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .25;
  background-image: radial-gradient(#c6934b22 1.5px, transparent 1.5px); background-size: 34px 34px;
}
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--space-3); text-align: center; position: relative; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2,1fr); } }
.stat b { font-family: var(--ff-display); font-size: clamp(2.2rem, 4.5vw, 3.2rem); color: var(--accent); display: block; }
.stat span { font-size: .9rem; color: var(--on-dark-muted); }

/* ---------- Akordeon (alt hizmetler) ---------- */
.accordion { display: grid; gap: .8rem; }
.accordion__item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm);
  overflow: hidden; transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.accordion__item.is-open { box-shadow: var(--shadow-md); border-color: var(--accent); }
.accordion__head {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.05rem 1.3rem; background: none; border: 0; cursor: pointer; text-align: left;
  font-family: var(--ff-body); font-size: 1.02rem; font-weight: 600; color: var(--ink); min-height: 44px;
}
.accordion__head:hover { color: var(--primary); }
.accordion__head .chev { flex: none; transition: transform .32s var(--ease); color: var(--accent-strong); }
.accordion__item.is-open .chev { transform: rotate(180deg); }
.accordion__body { max-height: 0; overflow: hidden; transition: max-height .42s var(--ease); }
.accordion__body-inner { padding: 0 1.3rem 1.3rem; color: var(--muted); font-size: .96rem; }
.accordion__body-inner strong { color: var(--primary); }
.accordion__body-inner ul { margin: .4rem 0 .8rem; padding-left: 1.1rem; }

/* ---------- Zaman çizelgesi / süreç ---------- */
.steps { display: grid; grid-template-columns: repeat(5,1fr); gap: var(--space-2); counter-reset: step; }
@media (max-width: 920px) { .steps { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding: var(--space-3) var(--space-2); background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--ff-display); font-size: 2rem; color: var(--accent); display: block; margin-bottom: .4rem;
}
.step h4 { font-size: 1.02rem; margin-bottom: .3rem; }
.step p { font-size: .88rem; color: var(--muted); margin: 0; }

/* ---------- Logo şeridi ---------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee__track { display: flex; gap: 4rem; align-items: center; width: max-content; animation: marquee 32s linear infinite; padding-block: var(--space-2); }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee img { height: 44px; width: auto; filter: grayscale(1) opacity(.55); transition: filter var(--dur) var(--ease); }
.marquee img:hover { filter: grayscale(0) opacity(1); }

/* ---------- Testimonial ---------- */
.quote-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--space-4); position: relative; }
.quote-card::before { content: "“"; font-family: var(--ff-display); font-size: 4.5rem; line-height: 0; color: var(--accent); position: absolute; top: 2.4rem; left: 1.6rem; opacity: .35; }
.quote-card blockquote { margin: 0 0 1rem; font-size: 1.02rem; color: var(--ink-soft); padding-left: .5rem; }
.quote-card figcaption { font-weight: 600; color: var(--primary); font-size: .92rem; }
.quote-card figcaption span { display: block; font-weight: 400; color: var(--muted); font-size: .82rem; }

/* ---------- CTA bandı ---------- */
.cta-band { position: relative; overflow: hidden; border-radius: var(--radius); background: linear-gradient(120deg, var(--primary-deep), var(--primary) 55%, #1d5a50); color: #fff; padding: clamp(2.5rem,6vw,4.5rem); text-align: center; }
.cta-band::after { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: #c6934b2e; filter: blur(60px); top: -100px; right: -60px; }
.cta-band h2 { color: #fff; }
.cta-band p { color: var(--on-dark-muted); max-width: 40rem; margin-inline: auto; }
.cta-band .btn { position: relative; z-index: 2; }

/* ---------- Form ---------- */
.form { display: grid; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.field label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .35rem; color: var(--ink-soft); }
.field label .req { color: #b3452e; }
.field input, .field select, .field textarea {
  width: 100%; padding: .8rem 1rem; min-height: 48px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  font: inherit; font-size: .95rem; background: var(--card); color: var(--ink);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(20,69,61,.12); }
.field .hint { font-size: .78rem; color: var(--muted); margin-top: .3rem; }
.form-status { display: none; padding: .9rem 1.1rem; border-radius: var(--radius-sm); font-size: .92rem; }
.form-status.is-ok { display: block; background: #e7f3ea; color: #1d5a2e; border: 1px solid #bfe0c8; }

/* ---------- İletişim yan panel ---------- */
.contact-aside { background: var(--dark); color: var(--on-dark); border-radius: var(--radius); padding: var(--space-4); }
.contact-aside h3 { color: #fff; }
.contact-aside ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.1rem; }
.contact-aside li { display: flex; gap: .9rem; align-items: flex-start; font-size: .95rem; color: var(--on-dark-muted); }
.contact-aside li a { color: var(--on-dark); }
.contact-aside .ic { flex: none; width: 40px; height: 40px; border-radius: 10px; background: rgba(198,147,75,.16); color: var(--accent); display: grid; place-items: center; }

/* ---------- Sayfa hero (iç sayfalar) ---------- */
.page-hero {
  background:
    linear-gradient(120deg, rgba(12,47,42,.94) 0%, rgba(20,69,61,.78) 100%),
    var(--page-img, none) center/cover no-repeat,
    linear-gradient(120deg, var(--primary-deep), var(--primary));
  color: #fff; padding-block: clamp(3.5rem,7vw,5.5rem); position: relative; overflow: hidden;
}
.page-hero::after { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; background: #c6934b22; filter: blur(70px); top: -160px; right: -80px; }
.page-hero h1 { color: #fff; font-size: clamp(2rem,4.6vw,3.2rem); }
.page-hero p { color: var(--on-dark-muted); max-width: 42rem; }
.breadcrumb { font-size: .82rem; color: var(--on-dark-muted); margin-bottom: var(--space-2); }
.breadcrumb a { color: var(--accent); }

/* ---------- Ekip ---------- */
.team-card { text-align: center; }
.team-card img { width: 168px; height: 168px; object-fit: cover; border-radius: 50%; margin: 0 auto var(--space-2); border: 5px solid var(--card); box-shadow: var(--shadow-md); }
.team-card h3 { margin-bottom: .2rem; }
.team-card .role { color: var(--accent-strong); font-weight: 600; font-size: .88rem; letter-spacing: .04em; }

/* ---------- Galeri ---------- */
.gallery { display: grid; grid-template-columns: repeat(4,1fr); gap: .9rem; }
@media (max-width: 900px) { .gallery { grid-template-columns: repeat(2,1fr); } }
.gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius-sm); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.gallery img:hover { transform: scale(1.03); box-shadow: var(--shadow-md); }

/* ---------- SSS ---------- */
.faq .accordion__head { font-size: 1.05rem; }

/* ---------- Footer ---------- */
.footer { background: var(--dark); color: var(--on-dark-muted); padding-block: var(--space-5) var(--space-3); font-size: .92rem; }
.footer a { color: var(--on-dark-muted); transition: color var(--dur) var(--ease); }
.footer a:hover { color: var(--accent); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: var(--space-4); margin-bottom: var(--space-4); }
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__grid { grid-template-columns: 1fr; } }
.footer h4 { color: #fff; font-family: var(--ff-body); font-size: .95rem; letter-spacing: .06em; text-transform: uppercase; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.09); padding-top: var(--space-3); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .82rem; }

/* ---------- 360° Hizmet Platformu ---------- */
.showcase {
  --tz: 340px;
  position: relative;
}
.stage {
  position: relative;
  height: 460px;
  perspective: 1400px;
  perspective-origin: 50% 34%;
  touch-action: pan-y;
}
.stage__ring {
  position: absolute; inset: 0;
  transform-style: preserve-3d;
  will-change: transform;
  cursor: grab;
}
.stage__ring.dragging { cursor: grabbing; }
.pane {
  position: absolute; left: 50%; top: 44px;
  width: 250px; margin-left: -125px;
  transform: rotateY(var(--a)) translateZ(var(--tz));
  backface-visibility: hidden;
  background: linear-gradient(165deg, rgba(255,255,255,.10), rgba(255,255,255,.04));
  border: 1px solid rgba(198,147,75,.35);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  color: var(--on-dark);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
  text-align: center;
}
.pane h3 { color: #fff; font-size: 1.2rem; margin-bottom: .4rem; }
.pane p { color: var(--on-dark-muted); font-size: .86rem; margin-bottom: .9rem; }
.pane .pane__icon {
  width: 58px; height: 58px; margin: 0 auto 1rem; border-radius: 16px;
  display: grid; place-items: center;
  background: rgba(198,147,75,.16); color: var(--accent);
}
.pane a { color: var(--accent); font-weight: 600; font-size: .88rem; }

/* platform zemini */
.stage__floor {
  position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%) rotateX(76deg);
  width: 560px; height: 560px; border-radius: 50%;
  background:
    radial-gradient(circle, rgba(198,147,75,.22) 0%, rgba(198,147,75,.07) 42%, transparent 68%);
  border: 1px solid rgba(198,147,75,.25);
  pointer-events: none;
}
.stage__floor::before {
  content: ""; position: absolute; inset: 12%; border-radius: 50%;
  border: 1px dashed rgba(198,147,75,.3);
  animation: floorspin 30s linear infinite;
}
@keyframes floorspin { to { transform: rotate(360deg); } }

.showcase__controls { display: flex; justify-content: center; gap: .8rem; margin-top: .5rem; position: relative; z-index: 2; }
.ctrl-btn {
  width: 46px; height: 46px; border-radius: 50%; border: 1.5px solid rgba(255,255,255,.3);
  background: rgba(255,255,255,.06); color: var(--on-dark); cursor: pointer;
  display: grid; place-items: center;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.ctrl-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.ctrl-btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.showcase__hint { text-align: center; color: var(--on-dark-muted); font-size: .82rem; margin-top: .8rem; }

@media (max-width: 720px) {
  .showcase { --tz: 250px; }
  .stage { height: 420px; perspective: 1000px; }
  .pane { width: 210px; margin-left: -105px; padding: 1.2rem 1rem; }
  .stage__floor { width: 400px; height: 400px; }
}
@media (prefers-reduced-motion: reduce) {
  .stage__floor::before { animation: none; }
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal-stagger.is-visible > * { opacity: 1; transform: none; }
.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: .05s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: .13s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: .21s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: .29s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: .37s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: .45s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; }
}

/* ---------- Faz 4: Profesyonellik dokunuşları ---------- */

/* Okuma ilerleme çubuğu */
.progressbar {
  position: fixed; top: 0; left: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  z-index: 300; pointer-events: none;
  transition: width .1s linear;
}

/* Header küçülme */
.header__inner { transition: padding .3s var(--ease); }
.header.is-scrolled .header__inner { padding-block: .45rem; }
.header.is-scrolled .logo img { height: 38px; }
.logo img { transition: height .3s var(--ease); }

/* Kart 3D tilt */
.card[data-tilt] { transform-style: preserve-3d; will-change: transform; }
.card[data-tilt]:hover { transform: perspective(800px) rotateX(var(--rx,0)) rotateY(var(--ry,0)) translateY(-6px); }

/* Mobil hızlı erişim çubuğu */
.quickbar {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 200;
  background: rgba(13,31,28,.96); backdrop-filter: blur(10px);
  padding: .55rem .9rem calc(.55rem + env(safe-area-inset-bottom));
  gap: .7rem;
}
.quickbar a {
  flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  min-height: 46px; border-radius: 999px; font-size: .9rem; font-weight: 600;
}
.quickbar a.qb-call { background: var(--accent); color: #241703; }
.quickbar a.qb-mail { background: rgba(255,255,255,.1); color: var(--on-dark); border: 1px solid rgba(255,255,255,.25); }
@media (max-width: 720px) {
  .quickbar { display: flex; }
  body { padding-bottom: 64px; }
}

/* ---------- Yardımcılar ---------- */
.text-center { text-align: center; }
.mt-2 { margin-top: var(--space-2); } .mt-3 { margin-top: var(--space-3); } .mt-4 { margin-top: var(--space-4); }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--accent); color: #241703; padding: .7rem 1.2rem; z-index: 999; border-radius: 0 0 10px 0; font-weight: 600; }
.skip-link:focus { left: 0; }