:root {
  --bg: #05070d;
  --bg2: #0a1020;
  --ink: #e8f4ff;
  --muted: #8ea3bd;
  --cyan: #46e6ff;
  --blue: #3a7bff;
  --violet: #9b5cff;
  --gold: #ffb547;
  --line: rgba(120, 200, 255, .16);
  --glass: rgba(14, 24, 44, .55);
  --r: 20px;
  --pad: clamp(16px, 4vw, 48px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 800px at 70% -10%, #0f1e3d 0%, transparent 60%), var(--bg);
  color: var(--ink);
  font: 400 17px/1.6 Manrope, system-ui, sans-serif;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
#scene { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: .025;
  background-image: repeating-linear-gradient(0deg, #fff 0 1px, transparent 1px 2px);
}

/* Запасной реактор, если в браузере нет WebGL */
.css-reactor { display: none; position: fixed; z-index: 0; pointer-events: none;
  top: 50%; right: 8vw; width: min(46vw, 560px); aspect-ratio: 1; transform: translateY(-50%); }
.no-webgl .css-reactor { display: block; }
.css-reactor .r { position: absolute; border-radius: 50%; inset: var(--i); border: var(--w) solid transparent;
  animation: spin var(--t) linear infinite var(--d, normal); }
.css-reactor .r1 { --i: 0%; --w: 2px; --t: 40s; border-color: rgba(70,230,255,.25); border-top-color: var(--cyan); box-shadow: 0 0 40px rgba(70,230,255,.15); }
.css-reactor .r2 { --i: 9%; --w: 6px; --t: 18s; --d: reverse; border-color: rgba(58,123,255,.35) transparent rgba(155,92,255,.5) transparent; }
.css-reactor .r3 { --i: 20%; --w: 3px; --t: 9s; border-color: transparent; border-left-color: var(--gold); border-right-color: var(--cyan); }
.css-reactor .r4 { --i: 30%; --w: 14px; --t: 24s; --d: reverse;
  border: 0; background: repeating-conic-gradient(rgba(191,248,255,.9) 0 18deg, transparent 18deg 36deg);
  -webkit-mask: radial-gradient(circle, transparent 58%, #000 59%, #000 70%, transparent 71%);
  mask: radial-gradient(circle, transparent 58%, #000 59%, #000 70%, transparent 71%); }
.css-reactor .core { position: absolute; inset: 40%; border-radius: 50%;
  background: radial-gradient(circle, #fff 0 18%, #9ff4ff 30%, rgba(70,230,255,.4) 55%, transparent 72%);
  box-shadow: 0 0 80px 30px rgba(70,230,255,.35); animation: pulse 2.8s ease-in-out infinite; }
@keyframes pulse { 50% { transform: scale(1.08); opacity: .85; } }
@media (max-width: 900px) { .css-reactor { right: 50%; top: 34%; width: 80vw; transform: translate(50%, -50%); opacity: .55; } }
main, .top, .foot { position: relative; z-index: 2; }

/* Шапка */
.top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px;
  padding: 14px var(--pad);
  background: linear-gradient(to bottom, rgba(5, 7, 13, .85), rgba(5, 7, 13, 0));
  backdrop-filter: blur(6px);
}
.brand { display: flex; align-items: center; gap: 10px; font: 700 18px Orbitron, "Exo 2", sans-serif; letter-spacing: .18em; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 50%;
  border: 3px solid var(--cyan);
  box-shadow: 0 0 14px var(--cyan), inset 0 0 8px var(--cyan);
  background: radial-gradient(circle, var(--cyan) 0 30%, transparent 34%);
}
.links { display: flex; gap: 22px; margin-left: auto; font-size: 15px; color: var(--muted); }
.links a { transition: color .2s; }
.links a:hover { color: var(--cyan); }
.lang {
  display: flex; padding: 3px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--glass);
}
.lang button {
  border: 0; background: none; color: var(--muted); cursor: pointer;
  font: 700 13px Orbitron, "Exo 2", sans-serif; letter-spacing: .08em;
  padding: 7px 12px; border-radius: 999px; transition: .25s;
}
.lang button[aria-pressed="true"] { color: #001018; background: var(--cyan); box-shadow: 0 0 16px rgba(70, 230, 255, .6); }

/* Первый экран */
.hero {
  min-height: 100svh; display: flex; flex-direction: column; justify-content: center;
  align-items: flex-start; padding: 110px var(--pad) 60px; max-width: 1280px; margin: 0 auto;
}
.eyebrow { margin: 0 0 10px; font: 600 13px Orbitron, "Exo 2", sans-serif; letter-spacing: .3em; text-transform: uppercase; color: var(--cyan); }
.title { margin: 0; font: 900 clamp(64px, 14vw, 190px)/.9 Orbitron, "Exo 2", sans-serif; letter-spacing: .06em; }
.glitch {
  position: relative; display: inline-block;
  background: linear-gradient(100deg, #fff 10%, var(--cyan) 45%, var(--blue) 70%, var(--violet));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 28px rgba(70, 230, 255, .35));
}
.glitch::before, .glitch::after {
  content: attr(data-text); position: absolute; inset: 0; opacity: .5;
  background: inherit; -webkit-background-clip: text; background-clip: text; color: transparent;
}
.glitch::before { transform: translate(3px, 0); clip-path: inset(0 0 60% 0); animation: gl 4s infinite steps(1); }
.glitch::after { transform: translate(-3px, 0); clip-path: inset(55% 0 0 0); animation: gl 5s infinite steps(1) reverse; }
@keyframes gl {
  0%, 92%, 100% { transform: translate(0); }
  93% { transform: translate(4px, -2px); }
  95% { transform: translate(-5px, 1px); }
  97% { transform: translate(2px, 2px); }
}
.lead { max-width: 560px; margin: 26px 0 30px; font-size: clamp(17px, 2vw, 20px); color: #c6d6ea; }
.cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 28px; border-radius: 14px; font-weight: 700; letter-spacing: .02em;
  border: 1px solid var(--line); transition: transform .2s, box-shadow .3s, background .3s; overflow: hidden;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary {
  color: #00121b; border: 0;
  background: linear-gradient(110deg, var(--cyan), #7af0ff 40%, var(--blue));
  box-shadow: 0 10px 40px -10px rgba(70, 230, 255, .8);
}
.btn.primary::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .6) 50%, transparent 70%);
  transform: translateX(-100%); animation: shine 3.5s infinite;
}
@keyframes shine { 60%, 100% { transform: translateX(100%); } }
.btn.ghost { background: var(--glass); backdrop-filter: blur(10px); }
.btn.ghost:hover { border-color: var(--cyan); box-shadow: 0 0 24px -6px var(--cyan); }
.btn.big { padding: 20px 40px; font-size: 19px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 34px 0 0; }
.chips li {
  padding: 7px 14px; border-radius: 999px; font-size: 14px; color: #bfe9ff;
  border: 1px solid var(--line); background: rgba(70, 230, 255, .06);
}
.chips li::before { content: "● "; color: var(--cyan); }
.scroll-hint { position: absolute; bottom: 26px; left: 50%; width: 26px; height: 42px; border: 2px solid var(--line); border-radius: 14px; }
.scroll-hint span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--cyan); animation: wheel 1.8s infinite; }
@keyframes wheel { to { transform: translateY(14px); opacity: 0; } }
.hero { position: relative; }

/* Цифры */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  max-width: 1100px; margin: 0 auto 40px; border-radius: var(--r); overflow: hidden;
  background: var(--line); border: 1px solid var(--line);
}
.stat { padding: 30px 16px; text-align: center; background: rgba(8, 14, 28, .82); backdrop-filter: blur(10px); }
.stat b { display: block; font: 900 clamp(30px, 5vw, 48px) Orbitron, "Exo 2", sans-serif; color: var(--cyan); text-shadow: 0 0 22px rgba(70, 230, 255, .5); }
.stat span { color: var(--muted); font-size: 14px; text-transform: uppercase; letter-spacing: .12em; }

/* Разделы */
.section { max-width: 1240px; margin: 0 auto; padding: 90px var(--pad); }
.h2 { display: flex; align-items: baseline; gap: 16px; margin: 0 0 40px; font: 700 clamp(30px, 5vw, 52px) Orbitron, "Exo 2", sans-serif; letter-spacing: .04em; }
.idx { font-size: .38em; color: var(--cyan); letter-spacing: .2em; }
.muted { color: var(--muted); }
.tiny { font-size: 13px; color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; perspective: 1200px; }
.card {
  position: relative; padding: 26px 22px; border-radius: var(--r);
  background: linear-gradient(160deg, rgba(30, 50, 90, .45), rgba(10, 16, 32, .7));
  border: 1px solid var(--line); backdrop-filter: blur(12px);
  transform-style: preserve-3d; transition: transform .25s ease-out, border-color .3s, box-shadow .3s;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(70, 230, 255, .16), transparent 45%);
}
.card:hover { border-color: rgba(70, 230, 255, .5); box-shadow: 0 30px 60px -30px rgba(70, 230, 255, .45); }
.card h3 { margin: 14px 0 8px; font-size: 19px; transform: translateZ(30px); }
.card p { margin: 0; color: var(--muted); font-size: 15px; transform: translateZ(18px); }
.ic {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px;
  font-size: 22px; color: var(--cyan); transform: translateZ(40px);
  background: rgba(70, 230, 255, .1); border: 1px solid rgba(70, 230, 255, .3);
  box-shadow: 0 0 20px -4px rgba(70, 230, 255, .6);
}

.flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.flow::before {
  content: ""; position: absolute; top: 31px; left: 8%; right: 8%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
  box-shadow: 0 0 12px var(--cyan);
}
.flow li { position: relative; text-align: center; padding: 0 8px; }
.flow .n {
  position: relative; display: inline-grid; place-items: center; width: 62px; height: 62px; border-radius: 50%;
  font: 900 22px Orbitron, "Exo 2", sans-serif; color: var(--cyan); background: var(--bg2);
  border: 2px solid var(--cyan); box-shadow: 0 0 26px -2px var(--cyan), inset 0 0 14px rgba(70, 230, 255, .4);
}
.flow h3 { margin: 18px 0 6px; font: 700 20px Orbitron, "Exo 2", sans-serif; letter-spacing: .05em; }
.flow p { margin: 0; color: var(--muted); font-size: 15px; }

.phones { display: flex; justify-content: center; align-items: center; gap: clamp(14px, 3vw, 40px); perspective: 1400px; }
.phone { margin: 0; text-align: center; transform: rotateY(18deg); transition: transform .6s; }
.phone.mid { transform: translateY(-24px) scale(1.06); }
.phone:last-child { transform: rotateY(-18deg); }
.phone:hover { transform: rotateY(0) translateY(-8px); }
.screen {
  width: clamp(150px, 22vw, 250px); aspect-ratio: 9 / 19.5; border-radius: 30px;
  display: grid; place-items: center; padding: 20px; color: var(--muted); font-size: 14px;
  background: linear-gradient(170deg, #0d1a33, #04060c);
  border: 2px solid rgba(120, 200, 255, .3);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .9), 0 0 50px -16px rgba(70, 230, 255, .5), inset 0 0 0 6px #02040a;
  background-size: cover; background-position: center;
}
.phone figcaption { margin-top: 16px; font: 600 14px Orbitron, "Exo 2", sans-serif; letter-spacing: .14em; color: var(--cyan); text-transform: uppercase; }

.download, .creator {
  display: grid; gap: 40px; padding: clamp(26px, 5vw, 56px); border-radius: 28px;
  background: linear-gradient(135deg, rgba(58, 123, 255, .18), rgba(155, 92, 255, .12) 60%, rgba(10, 16, 32, .8));
  border: 1px solid var(--line); backdrop-filter: blur(14px);
}
.download { grid-template-columns: 1.4fr 1fr; align-items: center; }
.download .h2 { margin-bottom: 14px; }
.steps { margin: 22px 0 0; padding-left: 22px; color: #c6d6ea; }
.steps li { margin: 6px 0; }
.steps li::marker { color: var(--cyan); font-weight: 700; }
.dl-side { text-align: center; }
.creator { grid-template-columns: auto 1fr; align-items: center; }
.avatar {
  width: 140px; height: 140px; border-radius: 50%; display: grid; place-items: center;
  background: conic-gradient(from 0deg, var(--cyan), var(--violet), var(--blue), var(--cyan));
  animation: spin 8s linear infinite; padding: 4px;
}
.avatar span {
  display: grid; place-items: center; width: 100%; height: 100%; border-radius: 50%;
  background: var(--bg2); font: 900 54px Orbitron, "Exo 2", sans-serif; color: var(--cyan);
  animation: spin 8s linear infinite reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }
.nick { margin: 0 0 8px; font: 900 clamp(36px, 6vw, 64px) Orbitron, "Exo 2", sans-serif; letter-spacing: .06em; }
.creator .btn { margin-top: 18px; }

.foot { text-align: center; padding: 40px var(--pad) 50px; color: var(--muted); border-top: 1px solid var(--line); }
.foot p { margin: 4px 0; }

/* Появление при прокрутке */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .9s ease, transform .9s cubic-bezier(.2, .8, .2, 1); }
.reveal.in { opacity: 1; transform: none; }
.card.reveal.in { transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); }

@media (max-width: 1000px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .flow::before { display: none; }
}
@media (max-width: 720px) {
  .links { display: none; }
  .lang { margin-left: auto; }
  .stats { grid-template-columns: repeat(2, 1fr); margin: 0 16px 20px; }
  .grid, .flow, .download, .creator { grid-template-columns: 1fr; }
  .creator { text-align: center; justify-items: center; }
  .section { padding: 64px 16px; }
  .hero { padding: 100px 16px 70px; }
  .phones { overflow-x: auto; justify-content: flex-start; padding: 30px 4px; scroll-snap-type: x mandatory; }
  .phone, .phone.mid, .phone:last-child { transform: none; flex: 0 0 auto; scroll-snap-align: center; }
  .screen { width: 200px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Инструкция */
.guide { display: grid; gap: 12px; margin-top: 26px; }
.guide[hidden] { display: none; }
.g {
  border-radius: 18px; border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(30, 50, 90, .4), rgba(10, 16, 32, .75));
  backdrop-filter: blur(12px); transition: border-color .3s, box-shadow .3s;
}
.g[open] { border-color: rgba(70, 230, 255, .45); box-shadow: 0 20px 50px -30px rgba(70, 230, 255, .5); }
.g summary {
  display: flex; align-items: center; gap: 16px; padding: 18px 22px; cursor: pointer;
  font-weight: 700; font-size: 18px; list-style: none;
}
.g summary::-webkit-details-marker { display: none; }
.g summary::after { content: "+"; margin-left: auto; font: 700 24px Orbitron, "Exo 2", sans-serif; color: var(--cyan); transition: transform .3s; }
.g[open] summary::after { transform: rotate(45deg); }
.gn { font: 700 13px Orbitron, "Exo 2", sans-serif; color: var(--cyan); letter-spacing: .1em; min-width: 26px; }
.gb { padding: 0 22px 22px 64px; color: #c6d6ea; font-size: 15.5px; }
.gb p { margin: 10px 0; }
.gb ol, .gb ul { margin: 8px 0; padding-left: 22px; }
.gb li { margin: 5px 0; }
.gb li::marker { color: var(--cyan); }
.gb a { color: var(--cyan); border-bottom: 1px solid rgba(70, 230, 255, .4); }
.gb code { font: 600 14px ui-monospace, monospace; color: var(--gold); background: rgba(255, 181, 71, .1); padding: 1px 6px; border-radius: 6px; }
.gb b { color: var(--ink); }
.check { list-style: none; padding-left: 0 !important; }
.check li { position: relative; padding-left: 26px; }
.check li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: 700; }
.tip { padding: 12px 16px; border-radius: 12px; border-left: 3px solid var(--gold); background: rgba(255, 181, 71, .07); color: #e9dcc4; }
.keys { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 14px 0; }
.key { padding: 16px 18px; border-radius: 14px; border: 1px solid var(--line); background: rgba(5, 10, 20, .5); }
.key h4 { margin: 0 0 6px; font: 700 15px Orbitron, "Exo 2", sans-serif; letter-spacing: .03em; color: var(--cyan); }
.cmds { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.cmds span { padding: 7px 13px; border-radius: 999px; font-size: 14px; border: 1px solid var(--line); background: rgba(70, 230, 255, .06); color: #d7f6ff; }
.faq dt { margin-top: 12px; font-weight: 700; color: var(--ink); }
.faq dd { margin: 4px 0 0; }
@media (max-width: 720px) {
  .keys { grid-template-columns: 1fr; }
  .gb { padding: 0 16px 18px; }
  .g summary { padding: 16px; font-size: 16px; }
}

/* Читаемость поверх реактора */
.lead, .eyebrow { text-shadow: 0 2px 18px rgba(4, 6, 12, .9), 0 0 2px rgba(4, 6, 12, .9); }
@media (max-width: 900px) {
  /* Реактор занимает верх экрана, текст ниже */
  .hero { justify-content: flex-end; padding-top: 50svh; min-height: 100svh; }
  .no-webgl .hero { padding-top: 110px; justify-content: center; }
  .title { font-size: clamp(56px, 17vw, 120px); }
}

/* Настоящие экраны */
.screen { padding: 0; overflow: hidden; }
.screen img, .screen video { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 26px; }
.phones.second { margin-top: 50px; }
.phones.second .phone { transform: rotateY(10deg); }
.phones.second .phone:last-child { transform: rotateY(-10deg); }
.phones.second .phone:hover { transform: rotateY(0) translateY(-8px); }
@media (max-width: 720px) { .phones.second { margin-top: 0; } .phones.second .phone, .phones.second .phone:last-child { transform: none; } }

/* Вкладки экранов */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; padding: 5px; margin: 0 auto 34px; width: fit-content; max-width: 100%;
  border-radius: 999px; border: 1px solid var(--line); background: var(--glass); backdrop-filter: blur(10px); }
.tabs button { border: 0; cursor: pointer; padding: 10px 20px; border-radius: 999px; background: none; color: var(--muted);
  font: 700 14px Manrope, sans-serif; transition: .25s; }
.tabs button[aria-selected="true"] { color: #00121b; background: linear-gradient(110deg, var(--cyan), var(--blue)); box-shadow: 0 0 20px -4px var(--cyan); }
.panel[hidden] { display: none; }
.sub { margin: 30px 0 10px; text-align: center; font: 700 18px Orbitron, "Exo 2", sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); }
.center { text-align: center; }
.phones.row { flex-wrap: wrap; gap: clamp(12px, 2vw, 26px); margin: 16px 0 26px; perspective: none; }
.phones.row .phone, .phones.row .phone:last-child { transform: none; }
.phones.row .phone:hover { transform: translateY(-8px); }
.phones.row .screen { width: clamp(140px, 15vw, 200px); border-radius: 24px; }
.phones.row .screen img, .phones.row .screen video { border-radius: 20px; }
.screen { position: relative; }
.themes { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 10px; }
.themes button { display: flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: var(--glass); color: var(--ink); font: 600 14px Manrope, sans-serif; transition: .25s; }
.themes button i { width: 16px; height: 16px; border-radius: 50%; box-shadow: 0 0 10px currentColor; }
.th-reactor i { background: #3fd0ff; color: #3fd0ff; } .th-gold i { background: #ffb547; color: #ffb547; }
.th-mark i { background: #ff4b3a; color: #ff4b3a; } .th-stealth i { background: #d9dde3; color: #d9dde3; } .th-light i { background: #e8f2ff; color: #8cc8ff; }
.themes button[aria-pressed="true"] { border-color: var(--cyan); box-shadow: 0 0 18px -6px var(--cyan); }
#themePhones img { transition: opacity .25s; } #themePhones img.swap { opacity: .25; }
@media (max-width: 720px) {
  .phones.row { flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; padding: 10px 4px 16px; scroll-snap-type: x mandatory; }
  .phones.row .screen { width: 170px; }
  .tabs button { padding: 9px 14px; font-size: 13px; }
}

/* Подпись внутри H1 */
.title .eyebrow { display: block; margin: 0 0 12px; line-height: 1.4; }