/* terspektif: terspective.com ile aynı görsel dil (Inter, koyu gradyan, kırmızı vurgu) */

:root {
  --bg: #0a0a0a;
  --bg-2: #082f49;      /* sky-950 */
  --bg-3: #450a0a;      /* red-950 */
  --text: #f5f5f5;
  --muted: #a3a3a3;
  --line: rgba(255, 255, 255, .1);
  --card: rgba(255, 255, 255, .04);
  --red: #dc2626;       /* red-600 */
  --red-2: #ef4444;     /* red-500 */
  --red-3: #f87171;     /* red-400 */
  --radius: 20px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --wrap: 1152px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
em { font-style: normal; }

.container { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }

.skip { position: absolute; left: -999px; top: 8px; background: #fff; color: #000; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- Arka plan ---------- */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-2) 55%, var(--bg-3) 100%); }
.bg__blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .45; will-change: transform; }
.bg__blob--a { width: 46vw; height: 46vw; left: -12vw; top: -10vw; background: radial-gradient(circle, #0c4a6e 0%, transparent 70%); }
.bg__blob--b { width: 40vw; height: 40vw; right: -10vw; bottom: -12vw; background: radial-gradient(circle, #7f1d1d 0%, transparent 70%); }
.bg__grain { position: absolute; inset: -50%; opacity: .06; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* ---------- Tipografi ---------- */
.eyebrow { display: inline-block; position: relative; margin: 0 0 24px; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.eyebrow::after { content: ""; position: absolute; left: 0; top: 100%; margin-top: 8px; width: 24px; height: 3px; background: #fff; }

h1, h2, h3 { margin: 0; letter-spacing: -.05em; line-height: 1; font-weight: 400; }
h3 { font-weight: 600; letter-spacing: -.015em; line-height: 1.25; }
h1 em, h2 em {
  font-weight: 600;
  background: linear-gradient(90deg, var(--red-3), var(--red-2), var(--red));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
/* SplitText kelimeleri ayrı kutulara böler; vurgu gradyanı her kelimede yeniden uygulanır */
[data-split] em div, [data-words] em .word { background: inherit; -webkit-background-clip: text; background-clip: text; color: transparent; }
/* Vurgudan sonraki noktalama kelimeyle aynı satırda kalsın diye em içinde, ama beyaz */
em .p { -webkit-text-fill-color: var(--text); color: var(--text); }
[data-split] em { white-space: nowrap; }
/* SplitText satır maskesi overflow: clip kullanır; line-height 1'de Türkçe harflerin
   noktaları (İ, Ü, Ö) ve kuyrukları (ş, ç, ğ, g) kesilmesin diye maskeye pay ver */
.split-mask-line-mask { padding-block: .14em; margin-block: -.14em; }

/* ---------- Butonlar ---------- */
.btn { --pad: 14px 26px; display: inline-flex; align-items: center; gap: 10px; padding: var(--pad);
  border-radius: 999px; font-weight: 600; font-size: 14px; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background .3s var(--ease), border-color .3s var(--ease), color .3s; white-space: nowrap; }
.btn--sm { --pad: 9px 18px; font-size: 14px; }
.btn--lg { --pad: 15px 28px; font-size: 15px; }
.btn--red { background: var(--red); color: #fff; box-shadow: 0 10px 30px -10px rgba(220, 38, 38, .6); }
.btn--red:hover { background: #b91c1c; }
.btn--ghost { border-color: var(--line); background: rgba(255,255,255,.04); color: var(--text); backdrop-filter: blur(8px); }
.btn--ghost:hover { border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.08); }
.btn--arrow i { font-style: normal; transition: transform .35s var(--ease); }
.btn--arrow:hover i { transform: translateX(4px); }
.btn:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--red-3); outline-offset: 3px; }

/* ---------- Menü ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .4s, border-color .4s, transform .5s var(--ease); border-bottom: 1px solid transparent; }
.nav.is-scrolled { background: rgba(10, 10, 10, .55); backdrop-filter: blur(14px); border-color: var(--line); }
.nav.is-hidden { transform: translateY(-100%); }
.nav__inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.nav__logo img { height: 26px; width: auto; }
.nav__links { display: flex; gap: 6px; margin-left: auto; }
.nav__links a { padding: 8px 12px; font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; text-decoration: none; opacity: .85; transition: opacity .2s; }
.nav__links a:hover { opacity: 1; }

/* ---------- Hero ---------- */
.hero { min-height: 100svh; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 48px; padding-top: 110px; padding-bottom: 60px; }
.hero__title { font-size: clamp(30px, 3.4vw, 44px); margin-bottom: 24px; max-width: 640px; }
.hero__lead { font-size: 17px; letter-spacing: -.01em; color: #d4d4d4; max-width: 560px; margin: 0 0 40px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__visual { position: relative; display: grid; place-items: center; perspective: 1100px; perspective-origin: 50% 40%; }
/* 3B sahne: duruşta açılı; JS imlece göre döndürür. backdrop-filter derinliği düzleştirdiği için panelde kullanılmıyor */
.stage { --rx: 10deg; --ry: -20deg; position: relative; display: grid; place-items: center; width: 100%; transform-style: preserve-3d; transform: rotateX(var(--rx)) rotateY(var(--ry)); }
.panel { position: relative; z-index: 2; width: min(100%, 400px); padding: 20px; border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(30, 41, 59, .92), rgba(15, 23, 42, .88)); border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 60px 100px -40px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.08); transform-style: preserve-3d; }
.panel__bar { transform: translateZ(18px); }
.panel__list li { transform: translateZ(34px); box-shadow: 0 10px 20px -12px rgba(0,0,0,.6); }
.panel__status { transform: translateZ(26px); }
.panel__glare { position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: .9;
  background: radial-gradient(380px circle at var(--gx, 30%) var(--gy, 20%), rgba(255,255,255,.12), transparent 55%); transform: translateZ(1px); }
.ghost { position: absolute; z-index: 1; width: 230px; padding: 16px 18px; border-radius: 16px; display: grid; gap: 8px;
  background: rgba(15, 23, 42, .7); border: 1px solid var(--line); font-size: 12px; color: var(--muted);
  transform: translate3d(-170px, -175px, -180px); }
.ghost b { color: #e5e5e5; font-size: 13px; font-weight: 600; }
.ghost span::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: #22c55e; vertical-align: middle; }
.chip { position: absolute; z-index: 3; display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 999px;
  background: #0f172a; border: 1px solid rgba(34,197,94,.35); color: #86efac; font-size: 13px; font-weight: 600;
  box-shadow: 0 20px 40px -15px rgba(0,0,0,.8); transform: translate3d(-150px, 205px, 120px); white-space: nowrap; }
.panel__bar { display: flex; align-items: center; gap: 6px; margin-bottom: 18px; }
.panel__bar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.18); }
.panel__bar span:first-child { background: var(--red-2); }
.panel__bar b { margin-left: 10px; font-size: 12px; font-weight: 500; color: var(--muted); }
.panel__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.panel__list li { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px; background: rgba(255,255,255,.04); font-size: 14px; color: #e5e5e5; }
.panel__list i { flex: none; width: 20px; height: 20px; border-radius: 50%; border: 1.5px solid rgba(255,255,255,.25); position: relative; transition: background .3s, border-color .3s; }
.panel__list li.is-done i { background: #16a34a; border-color: #16a34a; }
.panel__list li.is-done i::after { content: ""; position: absolute; left: 6px; top: 2px; width: 5px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.panel__status { display: flex; align-items: center; gap: 10px; margin-top: 18px; font-size: 13px; font-weight: 600; color: #86efac; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 0 rgba(34,197,94,.6); animation: pulse 2s infinite; }
@keyframes pulse { to { box-shadow: 0 0 0 10px rgba(34,197,94,0); } }
.orbit { position: absolute; inset: 50% auto auto 50%; width: 560px; height: 560px; margin: -280px 0 0 -280px; border-radius: 50%; border: 1px dashed rgba(255,255,255,.12); z-index: 0; transform: translateZ(-220px) rotateX(72deg); }
.orbit span { position: absolute; top: -5px; left: 50%; width: 10px; height: 10px; border-radius: 50%; background: var(--red-2); box-shadow: 0 0 20px var(--red-2); }

/* ---------- Logolar ---------- */
.logos { padding: 30px 0 90px; }
.logos__title { font-size: 13px; color: var(--muted); text-align: center; margin-bottom: 28px; }
.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: 64px; width: max-content; animation: marquee 40s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
/* Logolar kaynak/musteri-logolari'ndan ffmpeg ile beyaz + şeffaf zemine çevrildi */
.marquee__track img { height: 64px; width: auto; opacity: .6; transition: opacity .3s; }
.marquee__track img:hover { opacity: 1; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Bölüm ---------- */
.section { padding: 100px 0; }
.section__head { margin-bottom: 56px; }
.section__title { font-size: clamp(26px, 2.8vw, 36px); max-width: 720px; }

/* ---------- Kartlar ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { --x: 50%; --y: 50%; position: relative; padding: 32px 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); overflow: hidden; transition: border-color .4s, transform .5s var(--ease); }
.card::before { content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .4s;
  background: radial-gradient(400px circle at var(--x) var(--y), rgba(239, 68, 68, .16), transparent 45%); pointer-events: none; }
.card:hover { border-color: rgba(255,255,255,.22); }
.card:hover::before { opacity: 1; }
.card--accent { background: linear-gradient(180deg, rgba(220,38,38,.12), rgba(255,255,255,.02)); border-color: rgba(239,68,68,.3); }
.card__icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px; background: rgba(255,255,255,.06); margin-bottom: 26px; }
.card__icon svg { width: 26px; height: 26px; fill: none; stroke: var(--red-3); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { color: #cfcfcf; margin: 0 0 22px; font-size: 15px; }
.card ul { list-style: none; margin: 0; padding: 18px 0 0; border-top: 1px solid var(--line); display: grid; gap: 9px; }
.card li { position: relative; padding-left: 22px; font-size: 14.5px; color: #e5e5e5; }
.card li::before { content: ""; position: absolute; left: 0; top: .62em; width: 10px; height: 2px; background: var(--red-2); }

/* ---------- Neden ---------- */
.why__statement { font-size: clamp(22px, 2.4vw, 30px); font-weight: 400; max-width: 820px; margin-bottom: 64px; }
.why__statement .word { opacity: .18; }
.why__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.stat { padding: 28px 0 0; border-top: 1px solid var(--line); }
.stat__num { display: block; font-size: clamp(36px, 3.6vw, 48px); font-weight: 300; letter-spacing: -.04em; line-height: 1; margin-bottom: 14px;
  background: linear-gradient(90deg, #fff, #d4d4d4); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat__label { color: var(--muted); font-size: 15px; max-width: 260px; display: block; }
.stack { margin-top: 48px; max-width: 760px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.stack b { color: var(--text); font-weight: 500; }

/* ---------- Adımlar ---------- */
.steps { position: relative; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.steps__line { position: absolute; top: 22px; left: 0; right: 0; height: 2px; background: var(--line); }
.steps__fill { display: block; height: 100%; width: 100%; background: linear-gradient(90deg, var(--red-3), var(--red)); transform-origin: left; transform: scaleX(0); }
.step { position: relative; padding-top: 64px; }
.step__n { position: absolute; top: 0; left: 0; width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; background: #111; border: 1px solid var(--line); font-size: 13px; font-weight: 700; color: var(--red-3); }
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { margin: 0; color: #cfcfcf; font-size: 15px; }

/* ---------- SSS ---------- */
.faq__list { display: grid; gap: 12px; max-width: 860px; }
.qa { border: 1px solid var(--line); border-radius: 16px; background: var(--card); transition: border-color .3s; }
.qa[open] { border-color: rgba(255,255,255,.2); }
.qa summary { list-style: none; cursor: pointer; padding: 20px 60px 20px 24px; font-weight: 500; font-size: 16px; position: relative; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: ""; position: absolute; right: 24px; top: 50%; width: 12px; height: 12px; margin-top: -8px; border: solid var(--red-3); border-width: 0 2px 2px 0; transform: rotate(45deg); transition: transform .4s var(--ease); }
.qa[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.qa__a { overflow: hidden; }
.qa__a p { margin: 0; padding: 0 24px 22px; color: #cfcfcf; }

/* ---------- CTA ---------- */
.cta { padding: 130px 0 120px; text-align: center; position: relative; }
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 60% at 50% 60%, rgba(220,38,38,.18), transparent 70%); pointer-events: none; }
.cta__inner { position: relative; }
.cta .eyebrow::after { left: 50%; margin-left: -12px; }
.cta__title { font-size: clamp(30px, 3.4vw, 44px); max-width: 720px; margin: 0 auto 20px; }
.cta__lead { color: #d4d4d4; font-size: 17px; max-width: 560px; margin: 0 auto 40px; }
.cta__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }
.cta__mail { margin-top: 26px; color: var(--muted); font-size: 15px; }
.cta__mail a { color: var(--text); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 40px 0; font-size: 14px; color: var(--muted); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; }
.footer__inner img { height: 20px; width: auto; }
.footer__inner p { margin: 0; }
.footer nav { display: flex; gap: 20px; margin-left: auto; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--text); }
.footer__copy { width: 100%; font-size: 13px; }

/* ---------- Animasyon başlangıç durumları (JS yoksa görünür kalır) ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(24px); }
.js [data-split] { visibility: hidden; }
.js .card { opacity: 0; transform: translateY(40px); }
.js .step { opacity: 0; transform: translateY(30px); }

/* ---------- Duyarlı ---------- */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 130px; gap: 56px; }
  .hero__visual { order: 2; }
  .orbit { width: 380px; height: 380px; margin: -190px 0 0 -190px; }
  .ghost { transform: translate3d(-130px, -160px, -180px); }
  .chip { transform: translate3d(-100px, 195px, 110px); }
  .cards, .why__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .steps__line { display: none; }
}
@media (max-width: 640px) {
  .nav__links { display: none; }
  .hero__visual { overflow: hidden; padding: 4px; }
  .orbit, .ghost { display: none; }
  .stage { --ry: -10deg; --rx: 6deg; }
  .chip { transform: translate3d(0, 150px, 60px); font-size: 12px; }
  .hero__visual { padding: 10px 4px 70px; }
  .nav .btn--sm { margin-left: auto; }
  .section { padding: 80px 0; }
  .steps { grid-template-columns: 1fr; }
  .marquee__track { gap: 40px; }
  .marquee__track img { height: 48px; }
  .footer nav { margin-left: 0; flex-wrap: wrap; }
  .btn--lg { --pad: 16px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .marquee__track { animation: none; flex-wrap: wrap; justify-content: center; width: auto; }
  .js [data-reveal], .js .card, .js .step { opacity: 1; transform: none; }
  .js [data-split] { visibility: visible; }
  .why__statement .word { opacity: 1; }
  .steps__fill { transform: none; }
}