/* The promo page. The privacy pages keep their own quieter style.css. */

:root {
  --bg: #070911;
  --bg-deep: #03040a;
  --surface: #10131d;
  --surface-2: #161a27;
  --stroke: #232a3c;
  --stroke-2: #333b54;
  --text: #f2f4fb;
  --body: #c6ccdc;
  --muted: #8c95ad;
  --accent: #4fe3e0;
  --accent-ink: #04201f;
  --gold: #ffc94a;
  --danger: #ff3b5c;

  --display: ui-rounded, "SF Pro Rounded", "SF Pro Display", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --sans: system-ui, -apple-system, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --wrap: 1160px;
  --gutter: clamp(18px, 4vw, 32px);
  --radius: 22px;

  color-scheme: dark;
}

/* Language. The HTML ships Turkish visible; a script in <head> picks the reader's language
   before first paint, so neither language flashes in. */
:root[data-lang="tr"] [lang="en"],
:root[data-lang="en"] [lang="tr"] { display: none !important; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }

.sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

/* Faint stars across the whole page. Two layers of repeating dots at co-prime sizes so the pattern
   never visibly tiles. */
.sky {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(1px 1px at 20px 30px, rgba(255,255,255,.35), transparent 60%),
    radial-gradient(1px 1px at 140px 90px, rgba(255,255,255,.22), transparent 60%),
    radial-gradient(1.4px 1.4px at 260px 170px, rgba(255,255,255,.28), transparent 60%),
    radial-gradient(1px 1px at 70px 210px, rgba(255,255,255,.18), transparent 60%);
  background-size: 310px 257px, 431px 373px, 523px 461px, 197px 283px;
  opacity: .55;
}
.sky::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 0%, var(--bg-deep) 100%);
}

/* ───────────── Nav ───────────── */

.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 9, 17, .72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(51, 59, 84, .45);
}
.nav .wrap { display: flex; align-items: center; gap: 20px; height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.wordmark { font: 900 26px/1 var(--display); letter-spacing: -1px; }
.wordmark i { font-style: normal; color: var(--accent); }

.nav-links { display: flex; gap: 6px; margin-left: auto; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500;
  padding: 8px 12px; border-radius: 999px; transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--text); background: var(--surface); }

.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-links + .nav-actions { margin-left: 8px; }

.lang {
  appearance: none; cursor: pointer;
  font: 700 13px/1 var(--sans); letter-spacing: .6px; color: var(--muted);
  background: transparent; border: 1px solid var(--stroke-2); border-radius: 999px;
  height: 36px; min-width: 48px; padding: 0 12px;
  transition: color .15s, border-color .15s;
}
.lang:hover { color: var(--text); border-color: var(--muted); }

@media (max-width: 860px) {
  .nav-links { display: none; }
  /* Same specificity as the sibling rule above, and later, so it wins once the links are gone. */
  .nav .nav-actions { margin-left: auto; }
}

/* ───────────── Buttons ───────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 24px; border-radius: 999px;
  font: 700 16px/1 var(--sans); text-decoration: none; white-space: nowrap;
  transition: transform .15s, box-shadow .2s, background .2s, border-color .2s, color .2s;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-primary {
  color: var(--accent-ink);
  background: linear-gradient(180deg, #6ff0ed, var(--accent));
  box-shadow: 0 10px 34px -10px rgba(79, 227, 224, .65), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 44px -10px rgba(79, 227, 224, .8), inset 0 1px 0 rgba(255,255,255,.35); }
.btn-ghost { color: var(--text); background: rgba(16, 19, 29, .6); border: 1px solid var(--stroke-2); }
.btn-ghost:hover { border-color: var(--muted); }
.btn-sm { min-height: 36px; padding: 0 16px; font-size: 14px; }
.btn-sm svg { width: 16px; height: 16px; }

/* ───────────── Type ───────────── */

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font: 700 13px/1 var(--sans); letter-spacing: 1.4px; text-transform: uppercase; color: var(--accent);
}
h1, h2, h3 { font-family: var(--display); color: var(--text); margin: 0; }
h2 { font-size: clamp(32px, 4.6vw, 54px); font-weight: 800; line-height: 1.06; letter-spacing: -.025em; }
h3 { font-size: 21px; font-weight: 700; line-height: 1.25; letter-spacing: -.01em; }
.lede { font-size: clamp(17px, 1.6vw, 20px); color: var(--body); max-width: 36em; }
.section-head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head .eyebrow { margin-bottom: 16px; }
.section-head p { margin: 18px 0 0; }
.section { padding-block: clamp(76px, 11vw, 136px); position: relative; }

/* ───────────── Phone ───────────── */

.phone {
  position: relative; width: var(--w, 280px);
  padding: calc(var(--w, 280px) * .032);
  border-radius: 14.5% / 6.7%;
  background: linear-gradient(160deg, #262c40, #0c0f18 55%, #1a1f2e);
  box-shadow:
    0 0 0 1px rgba(110, 124, 168, .28),
    0 40px 80px -30px rgba(0, 0, 0, .9),
    0 0 70px -18px var(--glow, rgba(79, 227, 224, .45));
}
.phone img { width: 100%; height: auto; border-radius: 12.4% / 5.8%; background: #05060b; }

/* ───────────── Hero ───────────── */

.hero { position: relative; overflow: hidden; padding-block: clamp(48px, 7vw, 88px) clamp(64px, 9vw, 110px); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr); align-items: center; gap: 32px; }
/* The rings are wider than their column. Keep the copy painted above them where they overlap. */
.hero-copy { position: relative; z-index: 4; }

.hero h1 {
  font-size: clamp(52px, 8.4vw, 104px); font-weight: 900; line-height: .98; letter-spacing: -.032em;
  margin: 20px 0 22px;
}
.hero h1 .glow {
  background: linear-gradient(100deg, #b8fbf9 0%, var(--accent) 45%, #8f7bff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lede { margin: 0 0 32px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 26px; color: var(--muted); font-size: 14px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta svg { width: 16px; height: 16px; color: var(--accent); }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px 7px 8px; border-radius: 999px;
  background: rgba(79, 227, 224, .08); border: 1px solid rgba(79, 227, 224, .25);
  font-size: 14px; color: var(--body);
}
.pill b { font: 800 11px/1 var(--sans); letter-spacing: .8px; color: var(--accent-ink); background: var(--accent); padding: 5px 8px; border-radius: 999px; }

.stage { position: relative; height: clamp(520px, 56vw, 660px); }

/* The orbit system behind the phones. Inner orbits run faster — the rule the whole game is built on. */
.orbits { position: absolute; left: 50%; top: 50%; width: 0; height: 0; }
.ring {
  position: absolute; left: 50%; top: 50%; border-radius: 50%;
  border: 1px solid rgba(79, 227, 224, var(--a, .16));
  transform: translate(-50%, -50%);
}
.ring.r1 { width: 380px; height: 380px; --a: .26; }
.ring.r2 { width: 600px; height: 600px; --a: .15; }
.ring.r3 { width: 840px; height: 840px; --a: .08; }
.sat { position: absolute; inset: -1px; border-radius: 50%; animation: spin var(--t, 20s) linear infinite; }
.sat::after {
  content: ""; position: absolute; top: -6px; left: 50%; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%;
  background: #fff; box-shadow: 0 0 0 4px rgba(79, 227, 224, .25), 0 0 18px 3px var(--accent);
}
.r1 .sat { --t: 11s; }
.r2 .sat { --t: 21s; animation-direction: reverse; }
.r2 .sat::after { background: var(--gold); box-shadow: 0 0 0 4px rgba(255, 201, 74, .18), 0 0 16px 2px var(--gold); width: 9px; height: 9px; margin-left: -4.5px; top: -4.5px; }
.core {
  position: absolute; left: 50%; top: 50%; width: 520px; height: 520px; transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(79, 227, 224, .30), rgba(79, 227, 224, .08) 45%, transparent 72%);
  pointer-events: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

.stage .phone { position: absolute; left: 50%; top: 50%; }
.stage .p-center { --w: 272px; z-index: 3; transform: translate(-50%, -50%); }
.stage .p-left  { --w: 206px; --glow: rgba(232, 90, 255, .38); z-index: 2; transform: translate(calc(-50% - 170px), calc(-50% + 28px)) rotate(-9deg); }
.stage .p-right { --w: 206px; --glow: rgba(255, 212, 71, .34); z-index: 2; transform: translate(calc(-50% + 170px), calc(-50% + 28px)) rotate(9deg); }
.stage .p-left img, .stage .p-right img { filter: brightness(.82) saturate(1.05); }

@media (max-width: 1020px) {
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .hero .lede { margin-inline: auto; }
  .cta-row, .hero-meta { justify-content: center; }
  .stage { height: 580px; margin-top: 8px; }
}
@media (max-width: 560px) {
  .stage { height: 470px; }
  .stage .p-center { --w: 214px; }
  .stage .p-left, .stage .p-right { --w: 160px; }
  .stage .p-left  { transform: translate(calc(-50% - 118px), calc(-50% + 24px)) rotate(-9deg); }
  .stage .p-right { transform: translate(calc(-50% + 118px), calc(-50% + 24px)) rotate(9deg); }
  .ring.r1 { width: 300px; height: 300px; }
  .ring.r2 { width: 470px; height: 470px; }
  .ring.r3 { width: 660px; height: 660px; }
  .core { width: 400px; height: 400px; }
  .cta-row .btn { width: 100%; }
}

/* ───────────── Stats ───────────── */

.stats { border-block: 1px solid var(--stroke); background: linear-gradient(180deg, rgba(16,19,29,.55), rgba(16,19,29,.2)); }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 34px 12px; text-align: center; }
.stat + .stat { border-left: 1px solid var(--stroke); }
.stat strong { display: block; font: 800 clamp(38px, 5vw, 56px)/1 var(--display); letter-spacing: -.03em; color: var(--text); }
.stat span { display: block; margin-top: 10px; color: var(--muted); font-size: 15px; }
.stat:nth-child(1) strong { color: var(--accent); }
.stat:nth-child(3) strong { color: var(--gold); }
@media (max-width: 700px) {
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--stroke); }
}

/* ───────────── Steps ───────────── */

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step {
  position: relative; display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--stroke); border-radius: 28px; overflow: hidden;
}
.step-visual {
  position: relative; display: grid; place-items: center; padding: 40px 20px 0; height: 430px; overflow: hidden;
  background: radial-gradient(60% 55% at 50% 58%, color-mix(in srgb, var(--c) 26%, transparent), transparent 70%);
}
.step-visual .phone { --w: 232px; --glow: color-mix(in srgb, var(--c) 45%, transparent); align-self: start; }
.step-body { padding: 26px 28px 30px; border-top: 1px solid var(--stroke); }
.step-num {
  display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  font: 800 14px/1 var(--display); color: var(--accent-ink); background: var(--c); margin-bottom: 14px;
}
.step p { margin: 10px 0 0; color: var(--body); font-size: 16px; }
@media (max-width: 960px) {
  .steps { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
  .step-visual { height: 380px; }
}

/* ───────────── Chapters ───────────── */

.split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.split.flip { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
.split .phone { margin-inline: auto; --w: 280px; }
@media (max-width: 900px) {
  .split, .split.flip { grid-template-columns: 1fr; }
  .split .media { order: 2; }
}

.checks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.checks li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; color: var(--body); }
.checks svg { width: 22px; height: 22px; margin-top: 2px; color: var(--accent); }
.checks strong { color: var(--text); font-weight: 650; }

.chapters { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: clamp(48px, 7vw, 80px); }
.chapter {
  position: relative; padding: 20px 18px 20px; border-radius: 18px;
  background: var(--surface); border: 1px solid var(--stroke); overflow: hidden;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.chapter::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--c);
  box-shadow: 0 0 22px 2px var(--c);
}
.chapter:hover { border-color: color-mix(in srgb, var(--c) 55%, transparent); transform: translateY(-2px); box-shadow: 0 18px 40px -24px var(--c); }
.chapter .no { font: 700 12px/1 var(--mono); color: var(--c); letter-spacing: .5px; }
.chapter h3 { font-size: 18px; margin: 10px 0 4px; }
.chapter .range { font: 500 12px/1 var(--mono); color: var(--muted); }
.chapter p { margin: 12px 0 0; font-size: 14px; line-height: 1.45; color: var(--body); }
@media (max-width: 1040px) { .chapters { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px)  { .chapters { grid-template-columns: repeat(2, 1fr); gap: 10px; } .chapter { padding: 16px 14px; } }

/* ───────────── Features ───────────── */

.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature {
  padding: 30px; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface-2), var(--surface)); border: 1px solid var(--stroke);
}
.feature .icon {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; margin-bottom: 18px;
  color: var(--accent); background: rgba(79, 227, 224, .1); border: 1px solid rgba(79, 227, 224, .22);
}
.feature .icon svg { width: 24px; height: 24px; }
.feature p { margin: 10px 0 0; color: var(--body); }
.feature .fig { display: block; margin-top: 18px; font: 800 30px/1 var(--display); letter-spacing: -.02em; color: var(--text); }
.feature .fig small { font: 500 14px/1 var(--sans); color: var(--muted); letter-spacing: 0; margin-left: 6px; }
@media (max-width: 760px) { .features { grid-template-columns: 1fr; } }

/* ───────────── Settings list ───────────── */

.toggles { display: grid; gap: 12px; margin-top: 30px; }
.toggle {
  display: grid; grid-template-columns: 40px 1fr auto; align-items: center; gap: 14px;
  padding: 16px 18px; border-radius: 18px; background: var(--surface); border: 1px solid var(--stroke);
}
.toggle .ti { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--surface-2); color: var(--text); }
.toggle .ti svg { width: 20px; height: 20px; }
.toggle strong { display: block; font-weight: 650; }
.toggle span.d { display: block; font-size: 14px; color: var(--muted); line-height: 1.4; margin-top: 2px; }
.switch { width: 46px; height: 28px; border-radius: 999px; background: var(--accent); position: relative; flex: none; }
.switch::after { content: ""; position: absolute; top: 3px; right: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.35); }
.switch.off { background: #3a4158; }
.switch.off::after { right: auto; left: 3px; }

/* ───────────── Privacy ───────────── */

.privacy {
  position: relative; overflow: hidden;
  padding: clamp(34px, 6vw, 64px); border-radius: 32px;
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(79, 227, 224, .14), transparent 55%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--stroke-2);
}
.privacy .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 38px; }
.privacy .item h3 { font-size: 18px; margin-bottom: 8px; }
.privacy .item p { margin: 0; color: var(--body); font-size: 16px; }
.privacy .links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
@media (max-width: 860px) { .privacy .grid { grid-template-columns: 1fr; } }

/* ───────────── Final CTA ───────────── */

.final { text-align: center; overflow: hidden; }
.final .orbits { top: 44%; }
.final .icon-big {
  width: 104px; height: 104px; border-radius: 24px; margin: 0 auto 28px;
  box-shadow: 0 0 0 1px rgba(110,124,168,.3), 0 24px 60px -18px rgba(79, 227, 224, .55);
}
.final .wrap { position: relative; z-index: 1; }
.final p { margin: 18px auto 34px; }
.final .cta-row { justify-content: center; }

/* ───────────── Footer ───────────── */

footer { border-top: 1px solid var(--stroke); padding-block: 40px 56px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 32px; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }
footer .brand .wordmark { font-size: 22px; }

/* ───────────── Reveal ───────────── */

/* Only when scripting is available, so a reader without it never sees a blank page. */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .sat { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .chapter { transition: none; }
}