/* GMN Dijital — sade, çınarstudio.com tarzı düzen + koyu sinematik açılış */
:root {
  --ink: #15131c;
  --ink-2: #4c4858;
  --ink-3: #8a8597;
  --kum: #f6f4ef;
  --beyaz: #ffffff;
  --cizgi: #e6e1d7;
  --turuncu: #f29a1f;
  --turuncu-koyu: #c97606;
  --turuncu-soft: #fdf1df;
  --mor: #2c1a7c;
  --mor-acik: #6b4dff;
  --gece: #0d0b14;
  --r: 18px;
  --font: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--beyaz); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.025em; margin: 0; font-weight: 650; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
h3 { font-size: 1.15rem; letter-spacing: -0.01em; }
p { margin: 0; }
.kap { width: min(1180px, 100% - 32px); margin-inline: auto; }

/* Butonlar */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px; border-radius: 999px; font-weight: 600; font-size: 0.95rem; text-decoration: none; border: 1px solid transparent; transition: transform .2s, background .2s, border-color .2s, color .2s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn-turuncu { background: var(--turuncu); color: #1c1203; }
.btn-turuncu:hover { background: #ffad3b; }
.btn-cizgi { border-color: rgba(255,255,255,.28); color: #fff; background: rgba(255,255,255,.04); backdrop-filter: blur(6px); }
.btn-cizgi:hover { border-color: rgba(255,255,255,.6); }
.btn-koyu { background: var(--ink); color: #fff; margin-top: 28px; }

/* Üst bar */
.ust { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .3s, border-color .3s, color .3s; border-bottom: 1px solid transparent; color: #fff; }
.ust.dolu { background: rgba(255,255,255,.86); backdrop-filter: blur(14px); border-color: var(--cizgi); color: var(--ink); }
.ust-ic { display: flex; align-items: center; gap: 28px; height: 72px; }
.marka { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: -0.02em; font-size: 1.1rem; }
.marka img { width: 40px; height: 40px; }
.marka b { color: var(--turuncu); font-weight: 700; }
.menu { display: flex; gap: 26px; margin-left: auto; font-size: .93rem; }
.menu a { text-decoration: none; opacity: .78; transition: opacity .2s; }
.menu a:hover { opacity: 1; }
.ust-cta { min-height: 40px; padding: 0 18px; }
.menu-ac { display: none; }

/* AÇILIŞ: 3D objektif */
.lens-bolum { position: relative; height: 260vh; background: radial-gradient(120% 80% at 70% 40%, #241a4a 0%, #120f1f 45%, var(--gece) 75%); color: #fff; }
.lens-yapis { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.lens-tuval { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.lens-yedek { position: absolute; inset: 0; display: none; background: radial-gradient(closest-side at 70% 45%, rgba(242,154,31,.35), transparent 70%), radial-gradient(closest-side at 65% 55%, rgba(107,77,255,.35), transparent 80%); }
.lens-yok .lens-yedek { display: block; }
.lens-yapis::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(13,11,20,.85) 0%, rgba(13,11,20,.35) 45%, transparent 70%); }
.lens-metin { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; max-width: 1180px; }
.lens-metin > * { max-width: 560px; }
.ust-baslik { font-family: var(--mono); font-size: .76rem; letter-spacing: .14em; color: var(--turuncu); margin-bottom: 22px; }
.lens-metin h1 { font-size: clamp(2.5rem, 5.4vw, 4.6rem); font-weight: 650; letter-spacing: -0.035em; }
.vurgu { background: linear-gradient(90deg, var(--turuncu), #ffcf8a 60%, #b9a8ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lens-alt { margin-top: 22px; color: rgba(255,255,255,.72); font-size: 1.08rem; max-width: 500px; }
.lens-btn { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.hud { position: absolute; inset: 92px 28px 28px; z-index: 1; pointer-events: none; font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; color: rgba(255,255,255,.62); }
.hud::before, .hud::after { content: ""; position: absolute; width: 26px; height: 26px; border: 1.5px solid rgba(255,255,255,.4); }
.hud::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.hud::after { bottom: 0; right: 0; border-left: 0; border-top: 0; }
.hud-k { position: absolute; display: inline-flex; align-items: center; gap: 8px; }
.hud-sol-ust { top: 6px; left: 38px; }
.hud-sag-ust { top: 6px; right: 6px; color: var(--turuncu); }
.hud-sol-alt { bottom: 6px; left: 6px; }
.hud-sag-alt { bottom: 6px; right: 38px; }
.rec { width: 8px; height: 8px; border-radius: 50%; background: #ff3b3b; animation: yanip 1.2s steps(2) infinite; }
@keyframes yanip { 50% { opacity: .15; } }
.odak-cubuk { width: 80px; height: 3px; background: rgba(255,255,255,.18); border-radius: 2px; overflow: hidden; }
.odak-cubuk i { display: block; height: 100%; background: var(--turuncu); transform-origin: left; transform: scaleX(0); }
.lens-tamam [data-hud-odak] { color: #6ee7a8; }

.kaydir { position: absolute; z-index: 2; left: 50%; bottom: 34px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; color: rgba(255,255,255,.55); transition: opacity .4s; }
.kaydir i { width: 1px; height: 34px; background: linear-gradient(rgba(255,255,255,.6), transparent); animation: in 1.6s ease-in-out infinite; }
@keyframes in { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
.lens-tamam .kaydir { opacity: 0; }

/* Rakamlar */
.rakamlar { border-bottom: 1px solid var(--cizgi); }
.rakam-izgara { display: grid; grid-template-columns: repeat(4, 1fr); }
.rakam-izgara > div { padding: 40px 24px; border-left: 1px solid var(--cizgi); }
.rakam-izgara > div:first-child { border-left: 0; padding-left: 0; }
.rakam { font-size: clamp(2rem, 3.6vw, 3rem); font-weight: 650; letter-spacing: -0.04em; line-height: 1; }
.rakam span { color: var(--turuncu); }
.rakam-izgara p:last-child { color: var(--ink-2); font-size: .92rem; margin-top: 10px; }

/* Bölümler */
.bolum { padding: 110px 0; }
.bolum-kum { background: var(--kum); }
.etiket { font-family: var(--mono); font-size: .74rem; letter-spacing: .14em; color: var(--turuncu-koyu); margin-bottom: 16px; }
.etiket-acik { color: var(--turuncu); }
.bolum-alt { color: var(--ink-2); margin-top: 14px; font-size: 1.05rem; max-width: 560px; }

.hizmet-izgara { margin-top: 52px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.kart { border: 1px solid var(--cizgi); border-radius: var(--r); padding: 28px 24px 30px; background: var(--beyaz); transition: border-color .25s, transform .25s, box-shadow .25s; position: relative; overflow: hidden; }
.kart::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--turuncu), var(--mor-acik)); transform: scaleX(0); transform-origin: left; transition: transform .35s; }
.kart:hover { border-color: #d8d0c2; transform: translateY(-3px); box-shadow: 0 18px 40px -24px rgba(21,19,28,.25); }
.kart:hover::before { transform: scaleX(1); }
.no { font-family: var(--mono); font-size: .78rem; color: var(--turuncu-koyu); display: block; margin-bottom: 56px; }
.kart p, .adim p { color: var(--ink-2); font-size: .95rem; margin-top: 10px; }

.biz-izgara { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.biz-izgara > div > p:not(.etiket) { color: var(--ink-2); margin-top: 18px; font-size: 1.04rem; }
.ilke-liste { list-style: none; margin: 0; padding: 0; counter-reset: ilke; }
.ilke-liste li { counter-increment: ilke; display: grid; grid-template-columns: 56px 1fr; padding: 24px 0; border-top: 1px solid var(--cizgi); }
.ilke-liste li:last-child { border-bottom: 1px solid var(--cizgi); }
.ilke-liste li::before { content: "0" counter(ilke); font-family: var(--mono); font-size: .8rem; color: var(--turuncu-koyu); padding-top: 3px; grid-row: span 2; }
.ilke-liste b { font-weight: 600; }
.ilke-liste span { color: var(--ink-2); font-size: .95rem; }

.adim-izgara { margin-top: 52px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); }
.adim { padding: 26px 24px 0 0; }
.adim + .adim { padding-left: 24px; border-left: 1px solid var(--cizgi); }
.adim .no { margin-bottom: 26px; }

.sss-izgara { display: grid; grid-template-columns: 1fr 1.4fr; gap: 72px; }
.sss details { border-top: 1px solid var(--cizgi); }
.sss details:last-child { border-bottom: 1px solid var(--cizgi); }
.sss summary { cursor: pointer; list-style: none; padding: 22px 40px 22px 0; font-weight: 600; position: relative; }
.sss summary::-webkit-details-marker { display: none; }
.sss summary::after { content: "+"; position: absolute; right: 4px; top: 18px; font-size: 1.4rem; font-weight: 300; color: var(--turuncu-koyu); transition: transform .25s; }
.sss details[open] summary::after { transform: rotate(45deg); }
.sss details p { color: var(--ink-2); padding: 0 40px 24px 0; }

.iletisim { background: var(--gece); color: #fff; padding: 110px 0; position: relative; overflow: hidden; }
.iletisim::before { content: ""; position: absolute; width: 640px; height: 640px; right: -180px; top: -200px; border-radius: 50%; background: radial-gradient(closest-side, rgba(242,154,31,.22), transparent); }
.iletisim-izgara { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 72px; align-items: start; }
.iletisim h2 { font-size: clamp(2.2rem, 4.4vw, 3.6rem); }
.iletisim-izgara > div > p:not(.etiket) { color: rgba(255,255,255,.7); margin-top: 18px; font-size: 1.05rem; }
.iletisim-liste { margin: 0; }
.iletisim-liste div { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.12); }
.iletisim-liste div:last-child { border-bottom: 1px solid rgba(255,255,255,.12); }
.iletisim-liste dt { font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; color: rgba(255,255,255,.5); text-transform: uppercase; padding-top: 3px; }
.iletisim-liste dd { margin: 0; color: rgba(255,255,255,.9); }
.iletisim-liste a { text-decoration: none; }
.iletisim-liste a:hover { color: var(--turuncu); }

.alt { background: var(--gece); color: rgba(255,255,255,.55); border-top: 1px solid rgba(255,255,255,.08); }
.alt-ic { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 28px 0; font-size: .88rem; flex-wrap: wrap; }
.marka-acik { color: #fff; }
.marka-acik img { width: 32px; height: 32px; }

.wp { position: fixed; right: 18px; bottom: 18px; z-index: 40; width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; background: #25d366; color: #fff; box-shadow: 0 10px 30px -8px rgba(0,0,0,.4); transition: transform .2s; }
.wp:hover { transform: scale(1.06); }

/* Görünürken belirme */
.belir { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.belir.gorundu { opacity: 1; transform: none; }

/* Mobil */
@media (max-width: 960px) {
  .hizmet-izgara { grid-template-columns: repeat(2, 1fr); }
  .adim-izgara { grid-template-columns: repeat(2, 1fr); }
  .adim:nth-child(3) { padding-left: 0; border-left: 0; }
  .adim { padding-bottom: 28px; }
  .biz-izgara, .sss-izgara, .iletisim-izgara { grid-template-columns: 1fr; gap: 40px; }
  .rakam-izgara { grid-template-columns: repeat(2, 1fr); }
  .rakam-izgara > div { padding: 28px 16px; }
  .rakam-izgara > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .rakam-izgara > div:nth-child(n+3) { border-top: 1px solid var(--cizgi); }
}
@media (max-width: 760px) {
  .menu, .ust-cta { display: none; }
  .menu-ac { display: inline-flex; flex-direction: column; gap: 6px; margin-left: auto; background: none; border: 0; padding: 12px 4px; cursor: pointer; color: inherit; }
  .menu-ac span { width: 24px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .25s; }
  .menu-acik .menu { display: flex; position: fixed; inset: 72px 0 auto; flex-direction: column; gap: 0; background: #fff; color: var(--ink); border-bottom: 1px solid var(--cizgi); padding: 8px 16px 16px; }
  .menu-acik .menu a { padding: 14px 0; border-bottom: 1px solid var(--cizgi); opacity: 1; }
  .menu-acik .menu-ac span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-acik .menu-ac span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .menu-acik.ust { background: #fff; color: var(--ink); }
  .lens-bolum { height: 220vh; }
  .lens-yapis::after { background: linear-gradient(0deg, rgba(13,11,20,.95) 0%, rgba(13,11,20,.6) 40%, transparent 65%); }
  .lens-metin { justify-content: flex-end; padding-bottom: 92px; }
  .lens-metin h1 { font-size: clamp(2.1rem, 9vw, 2.8rem); }
  .lens-alt { font-size: 1rem; margin-top: 16px; }
  .lens-btn { margin-top: 24px; }
  .lens-btn .btn { flex: 1 1 auto; }
  .hud { inset: 84px 14px 14px; }
  .hud-sol-alt { display: none; }
  .kaydir { bottom: 22px; }
  .kaydir span { display: none; }
  .bolum, .iletisim { padding: 76px 0; }
  .hizmet-izgara { grid-template-columns: 1fr; }
  .no { margin-bottom: 28px; }
  .adim-izgara { grid-template-columns: 1fr; }
  .adim, .adim + .adim { padding: 22px 0; border-left: 0; border-bottom: 1px solid var(--cizgi); }
  .iletisim-liste div { grid-template-columns: 1fr; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .belir { opacity: 1; transform: none; }
}