/* Landing page. Standalone: does not load styles.css (that one is for the privacy page). */
  :root {
    color-scheme: light;
    --navy: #0F2F73; --blue: #1E4FB4; --sky: #EEF3FD; --sky-2: #DCE6FA; --gold: #F2C14E; --ink: #0B1B3F;
    --muted: #5B6B8C; --line: #D9E2F5; --surface: #fff;
    --ember: #B4530F; --ember-dark: #7A2C0A; --mint: #14A38B;
    --lip: 0 6px 0; --radius: 26px;
    --container: 1180px;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; scroll-padding-top: 90px; }
  body { font: 400 16px/1.6 Inter, system-ui, sans-serif; color: var(--ink); background: var(--sky); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button { font: inherit; color: inherit; cursor: pointer; }
  svg.i { width: 1em; height: 1em; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
  .container { width: min(100% - 40px, var(--container)); margin-inline: auto; }
  [data-lang] { display: none; }
  html[data-language="uz"] [data-lang="uz"], html[data-language="ru"] [data-lang="ru"] { display: inline; }
  html[data-language="uz"] small[data-lang="uz"], html[data-language="ru"] small[data-lang="ru"] { display: block; }
  :focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 8px; }

  /* progress + header */
  #progress { position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 60; transform-origin: 0 50%; transform: scaleX(0);
    background: linear-gradient(90deg, var(--blue), var(--gold)); }
  .site-header { position: fixed; top: 14px; left: 0; right: 0; z-index: 50; pointer-events: none; }
  .header-pill { pointer-events: auto; display: flex; align-items: center; gap: 18px; padding: 10px 12px 10px 18px; border-radius: 999px;
    background: rgba(255,255,255,.62); backdrop-filter: blur(18px) saturate(1.4); -webkit-backdrop-filter: blur(18px) saturate(1.4);
    border: 1px solid rgba(255,255,255,.8); box-shadow: 0 10px 30px rgba(15,47,115,.10); transition: background .3s, box-shadow .3s; }
  .scrolled .header-pill { background: rgba(255,255,255,.86); box-shadow: 0 14px 40px rgba(15,47,115,.16); }
  .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.02em; line-height: 1.05; font-size: .95rem; color: var(--navy); }
  .brand img { width: 36px; height: 36px; object-fit: contain; }
  .primary-nav { margin-left: auto; display: flex; gap: 4px; }
  .primary-nav a { padding: 8px 14px; border-radius: 999px; font-size: .9rem; font-weight: 600; color: var(--muted); transition: background .2s, color .2s; }
  .primary-nav a:hover, .primary-nav a.active { background: var(--sky); color: var(--blue); }
  .lang { display: flex; padding: 3px; border-radius: 999px; background: var(--sky); font-size: .76rem; font-weight: 800; }
  .lang button { border: 0; background: none; padding: 6px 11px; border-radius: 999px; color: var(--muted); transition: all .25s; }
  .lang button.active { background: #fff; color: var(--blue); box-shadow: 0 2px 6px rgba(15,47,115,.14); }

  /* 3D lip buttons — the same language as the app */
  .btn { --c: var(--blue); --d: #123A8C; position: relative; display: inline-flex; align-items: center; gap: 10px; padding: 14px 24px; border: 0; border-radius: 18px;
    background: var(--c); color: #fff; font-weight: 800; font-size: 1rem; box-shadow: 0 5px 0 var(--d), 0 16px 26px rgba(15,47,115,.22);
    transition: transform .12s, box-shadow .12s, filter .2s; }
  .btn:hover { filter: brightness(1.07); transform: translateY(-2px); box-shadow: 0 7px 0 var(--d), 0 20px 30px rgba(15,47,115,.26); }
  .btn:active { transform: translateY(4px); box-shadow: 0 1px 0 var(--d), 0 4px 10px rgba(15,47,115,.2); }
  .btn.dark { --c: #0B1220; --d: #000; }
  .btn.gold { --c: var(--gold); --d: #B98A1B; color: #3B2A00; }
  .btn.ghost { --c: #fff; --d: var(--line); color: var(--navy); }
  .btn.small { padding: 9px 16px; border-radius: 14px; font-size: .86rem; box-shadow: 0 3px 0 var(--d), 0 8px 14px rgba(15,47,115,.18); }
  .btn svg { font-size: 1.25em; }
  .btn small { display: block; font-size: .64rem; font-weight: 600; opacity: .8; line-height: 1.1; }
  .btn strong { display: block; line-height: 1.1; }

  /* hero */
  .hero { position: relative; min-height: 100svh; padding: 132px 0 90px; overflow: hidden; display: flex; align-items: center;
    background: linear-gradient(165deg, #F8FAFF 0%, #E9F0FD 55%, #DBE6FB 100%); }
  .aurora { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .9; will-change: transform; }
  .a1 { width: 640px; height: 640px; left: -200px; top: -160px; background: rgba(30,79,180,.30); animation: drift 14s ease-in-out infinite alternate; }
  .a2 { width: 560px; height: 560px; right: -160px; bottom: -200px; background: rgba(242,193,78,.50); animation: drift 17s ease-in-out infinite alternate-reverse; }
  .a3 { width: 380px; height: 380px; right: 22%; top: 8%; background: rgba(120,160,255,.30); animation: drift 12s ease-in-out infinite alternate; }
  @keyframes drift { to { transform: translate(60px, 40px) scale(1.12); } }
  .grid-dots { position: absolute; inset: 0; background-image: radial-gradient(rgba(15,47,115,.14) 1.2px, transparent 1.2px); background-size: 28px 28px;
    mask-image: radial-gradient(ellipse 70% 60% at 65% 45%, #000 0, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 70% 60% at 65% 45%, #000 0, transparent 75%); }
  .hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
  .eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px 7px 10px; border-radius: 999px; background: rgba(30,79,180,.09); border: 1px solid rgba(30,79,180,.2);
    color: var(--blue); font-size: .74rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 20px; }
  .eyebrow .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 0 rgba(20,163,139,.6); animation: pulse 2s infinite; }
  @keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(20,163,139,0); } 100% { box-shadow: 0 0 0 0 rgba(20,163,139,0); } }
  h1 { font-size: clamp(2.5rem, 5.6vw, 4.6rem); line-height: 1.03; letter-spacing: -.045em; font-weight: 900; color: var(--navy); }
  h1 em, h2 em { font-style: normal; position: relative; color: var(--blue); white-space: nowrap; z-index: 0; }
  h1 em::after, h2 em::after { content: ""; position: absolute; left: -4px; right: -4px; bottom: .06em; height: .34em; z-index: -1; border-radius: 6px;
    background: rgba(242,193,78,.7); transform: scaleX(0); transform-origin: 0 50%; animation: mark .8s .6s cubic-bezier(.2,.8,.2,1) forwards; }
  .reveal h2 em::after { animation: none; }
  .reveal.in h2 em::after { animation: mark .8s .3s cubic-bezier(.2,.8,.2,1) forwards; }
  @keyframes mark { to { transform: scaleX(1); } }
  .lead { margin-top: 22px; max-width: 540px; font-size: 1.15rem; color: var(--muted); }
  .cta-row { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 34px; }
  .micro { margin-top: 22px; font-size: .86rem; color: var(--muted); display: flex; align-items: center; gap: 8px; }
  .micro svg { color: var(--mint); }

  /* the 3D phone rig */
  .stage { position: relative; height: 680px; perspective: 1500px; display: grid; place-items: center; }
  .rig { position: relative; width: 300px; height: 650px; transform-style: preserve-3d; transform: rotateX(var(--rx, 6deg)) rotateY(var(--ry, -14deg)); will-change: transform; }
  .phone { position: absolute; inset: 0; border-radius: 52px; background: #0B1220; padding: 10px; box-shadow: 0 0 0 2px #26324F inset; transform-style: preserve-3d; }
  .phone::before { content: ""; position: absolute; inset: 0; border-radius: 52px; background: #131C33; transform: translateZ(-18px); box-shadow: 0 0 0 2px #1C2740 inset; }
  .phone::after { content: ""; position: absolute; inset: 14px; border-radius: 44px; transform: translateZ(-60px); background: rgba(15,47,115,.55); filter: blur(34px); }
  .screen { position: relative; width: 100%; height: 100%; border-radius: 42px; overflow: hidden; background: #fff; }
  .screen img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; }
  .screen .glare { position: absolute; inset: 0; background: linear-gradient(115deg, rgba(255,255,255,0) 35%, rgba(255,255,255,.28) 50%, rgba(255,255,255,0) 65%);
    background-size: 250% 100%; background-position: var(--gx, 100%) 0; pointer-events: none; mix-blend-mode: soft-light; }
  .notch { position: absolute; left: 50%; top: 18px; width: 76px; height: 20px; margin-left: -38px; border-radius: 12px; background: #0B1220; z-index: 3; }
  .chip3d { position: absolute; display: flex; align-items: center; gap: 12px; padding: 12px 16px 12px 12px; border-radius: 20px; background: rgba(255,255,255,.94);
    border: 1px solid rgba(255,255,255,.9); box-shadow: 0 4px 0 rgba(15,47,115,.14), 0 24px 40px rgba(15,47,115,.22); font-size: .82rem; line-height: 1.25; white-space: nowrap; }
  .chip3d b { display: block; font-size: 1.05rem; letter-spacing: -.02em; color: var(--navy); }
  .chip3d span.t { color: var(--muted); font-size: .72rem; }
  .ico { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; font-size: 1.3rem; color: #fff; box-shadow: 0 3px 0 rgba(0,0,0,.18); }
  .ico.blue { background: linear-gradient(145deg, #3B6FE0, var(--blue)); }
  .ico.gold { background: linear-gradient(145deg, #F8D77F, #E5A92B); color: #4A3300; }
  .ico.ember { background: linear-gradient(145deg, #F28A2E, #C4400E); }
  .ico.mint { background: linear-gradient(145deg, #3CC9AF, #0E8C78); }
  .ico.violet { background: linear-gradient(145deg, #9D6CF2, #6A3BD0); }
  .c1 { left: -72px; top: 80px; transform: translateZ(90px); animation: bob 5s ease-in-out infinite; }
  .c2 { right: -84px; top: 290px; transform: translateZ(120px); animation: bob 6s -2s ease-in-out infinite; }
  .c3 { left: -48px; bottom: 74px; transform: translateZ(70px); animation: bob 5.5s -1s ease-in-out infinite; }
  @keyframes bob { 50% { translate: 0 -12px; } }
  .ring { position: absolute; left: 50%; top: 50%; border-radius: 50%; border: 1.5px dashed rgba(30,79,180,.3); transform: translate(-50%, -50%) translateZ(-90px) rotateX(70deg); }
  .r1 { width: 520px; height: 520px; animation: spin 40s linear infinite; }
  .r2 { width: 680px; height: 680px; border-style: solid; border-color: rgba(30,79,180,.12); }
  @keyframes spin { to { transform: translate(-50%, -50%) translateZ(-90px) rotateX(70deg) rotateZ(360deg); } }

  /* proof strip */
  .strip { position: relative; margin-top: -54px; z-index: 5; }
  .strip-card { display: grid; grid-template-columns: repeat(4, 1fr); border-radius: 30px; background: #fff; box-shadow: 0 6px 0 var(--line), 0 30px 60px rgba(15,47,115,.14); overflow: hidden; }
  .stat { padding: 26px 22px; text-align: center; position: relative; }
  .stat + .stat::before { content: ""; position: absolute; left: 0; top: 24%; bottom: 24%; width: 1px; background: var(--line); }
  .stat b { display: block; font-size: 2.3rem; font-weight: 900; letter-spacing: -.04em; color: var(--navy); line-height: 1.1; }
  .stat b em { font-style: normal; color: var(--blue); }
  .stat span { font-size: .85rem; color: var(--muted); font-weight: 600; }

  /* sections */
  .section { padding: 110px 0; position: relative; overflow-x: clip; }
  .intro { max-width: 640px; margin-bottom: 52px; }
  .intro.center { margin-inline: auto; text-align: center; }
  h2 { font-size: clamp(2rem, 4.2vw, 3.2rem); line-height: 1.08; letter-spacing: -.04em; font-weight: 900; color: var(--navy); }
  .intro p.sub { margin-top: 16px; color: var(--muted); font-size: 1.08rem; }
  .reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); transition-delay: var(--d, 0s); }
  .reveal.in { opacity: 1; transform: none; }

  /* bento features */
  .bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
  .tile { position: relative; grid-column: span 2; padding: 28px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); overflow: hidden;
    box-shadow: 0 6px 0 var(--line); transform-style: preserve-3d; transition: transform .25s ease-out, box-shadow .25s; }
  .tile.wide { grid-column: span 3; }
  .tile.hot { background: linear-gradient(150deg, #B4530F, #8E2D0B); color: #fff; border-color: #8E2D0B; box-shadow: 0 6px 0 var(--ember-dark); }
  .tile.hot p { color: rgba(255,255,255,.82); }
  .tile.navy { background: linear-gradient(150deg, var(--navy), #1B47A3); color: #fff; border-color: var(--navy); box-shadow: 0 6px 0 #0A2358; }
  .tile.navy p { color: rgba(255,255,255,.8); }
  .tile::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .25s;
    background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,.55), transparent 60%); mix-blend-mode: soft-light; }
  .tile:hover { box-shadow: 0 10px 0 var(--line), 0 30px 50px rgba(15,47,115,.14); }
  .tile.hot:hover { box-shadow: 0 10px 0 var(--ember-dark), 0 30px 50px rgba(120,40,10,.3); }
  .tile.navy:hover { box-shadow: 0 10px 0 #0A2358, 0 30px 50px rgba(15,47,115,.3); }
  .tile:hover::after { opacity: 1; }
  .tile .ico { margin-bottom: 18px; transform: translateZ(40px); }
  .tile h3 { font-size: 1.2rem; letter-spacing: -.02em; margin-bottom: 8px; transform: translateZ(26px); }
  .tile p { color: var(--muted); font-size: .95rem; }
  .qtypes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
  .qtypes i { font-style: normal; font-size: .76rem; font-weight: 800; padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.3); }

  /* sticky phone showcase */
  .show-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
  .show-phone { position: sticky; top: 100px; height: min(680px, calc(100svh - 130px)); display: grid; place-items: center; perspective: 1400px; }
  .show-phone .rig { --rx: 4deg; --ry: -12deg; width: 280px; height: 606px; transition: transform .8s cubic-bezier(.2,.8,.2,1); }
  .show-phone .screen img { opacity: 0; transform: scale(1.04); transition: opacity .6s, transform .8s; }
  .show-phone .screen img.on { opacity: 1; transform: none; }
  .blob { position: absolute; width: 440px; height: 440px; border-radius: 50%; background: radial-gradient(circle, rgba(30,79,180,.22), transparent 68%); transition: background .6s; }
  .steps { display: grid; gap: 22px; padding: 10px 0 30vh; }
  .step { display: flex; gap: 18px; padding: 24px; border-radius: 24px; border: 2px solid transparent; transition: all .35s; cursor: pointer; opacity: .55; background: transparent; text-align: left; width: 100%; }
  .step.on { opacity: 1; background: #fff; border-color: var(--line); box-shadow: 0 6px 0 var(--line), 0 24px 40px rgba(15,47,115,.10); transform: translateX(8px); }
  .step .num { flex: none; width: 46px; height: 46px; border-radius: 16px; display: grid; place-items: center; font-weight: 900; font-size: .95rem; background: var(--sky-2); color: var(--blue); transition: all .35s; }
  .step.on .num { background: var(--blue); color: #fff; box-shadow: 0 4px 0 #123A8C; }
  .step h3 { font-size: 1.25rem; letter-spacing: -.02em; margin-bottom: 6px; }
  .step p { color: var(--muted); font-size: .98rem; }
  .step .bar { margin-top: 14px; height: 4px; border-radius: 4px; background: var(--sky-2); overflow: hidden; display: none; }
  .step.on .bar { display: block; }
  .step .bar i { display: block; height: 100%; width: 0; background: var(--gold); border-radius: 4px; }

  /* live demo */
  .demo { background: linear-gradient(180deg, var(--sky) 0%, #fff 12%, #fff 88%, var(--sky) 100%); }
  .demo-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
  .quiz { position: relative; border-radius: 32px; padding: 30px; background: var(--sky); border: 1px solid var(--line); box-shadow: 0 8px 0 var(--sky-2), 0 40px 70px rgba(15,47,115,.14); }
  .quiz-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; font-size: .8rem; font-weight: 800; color: var(--muted); }
  .quiz-top .tag { padding: 5px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--blue); }
  .qcard { padding: 24px; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: 0 5px 0 var(--line); font-size: 1.18rem; font-weight: 800; letter-spacing: -.02em; line-height: 1.35; margin-bottom: 18px; }
  .opts { display: grid; gap: 12px; }
  .opt { display: flex; align-items: center; gap: 14px; width: 100%; padding: 16px 18px; border-radius: 20px; border: 2px solid var(--line); background: #fff; text-align: left; font-weight: 600;
    box-shadow: 0 5px 0 var(--line); transition: transform .12s, box-shadow .12s, border-color .2s, background .2s; }
  .opt .k { flex: none; width: 32px; height: 32px; border-radius: 11px; display: grid; place-items: center; background: var(--sky); color: var(--blue); font-weight: 900; font-size: .85rem; transition: all .2s; }
  .opt:not(:disabled):hover { transform: translateY(-2px); border-color: #A9BDEA; box-shadow: 0 7px 0 #C6D4F2; }
  .opt:not(:disabled):active { transform: translateY(4px); box-shadow: 0 1px 0 var(--line); }
  .opt:disabled { cursor: default; }
  .opt.ok { border-color: #1BA45C; background: #E8F8EE; box-shadow: 0 5px 0 #138043; }
  .opt.ok .k { background: #1BA45C; color: #fff; }
  .opt.bad { border-color: #D8453B; background: #FDECEA; box-shadow: 0 5px 0 #A3281F; animation: shake .4s; }
  .opt.bad .k { background: #D8453B; color: #fff; }
  @keyframes shake { 25% { translate: -6px 0; } 50% { translate: 6px 0; } 75% { translate: -3px 0; } }
  .quiz-foot { margin-top: 20px; display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 52px; }
  .explain { font-size: .9rem; color: var(--muted); opacity: 0; transform: translateY(6px); transition: all .4s; max-width: 70%; }
  .quiz.done .explain { opacity: 1; transform: none; }
  .quiz .again { opacity: 0; pointer-events: none; transition: opacity .3s; }
  .quiz.done .again { opacity: 1; pointer-events: auto; }
  .xp { position: absolute; right: 36px; top: 72px; z-index: 2; padding: 8px 16px; border-radius: 999px; background: var(--gold); color: #3B2A00; font-weight: 900; box-shadow: 0 4px 0 #B98A1B; opacity: 0; pointer-events: none; }
  .xp.fly { animation: xp 1.4s ease-out forwards; }
  @keyframes xp { 0% { opacity: 0; transform: translateY(20px) scale(.6); } 20% { opacity: 1; transform: translateY(0) scale(1.1); } 100% { opacity: 0; transform: translateY(-70px) scale(1); } }
  .spark { position: absolute; width: 8px; height: 8px; border-radius: 2px; pointer-events: none; animation: spark 1s ease-out forwards; }
  @keyframes spark { to { transform: translate(var(--x), var(--y)) rotate(var(--r)); opacity: 0; } }
  .checks { margin-top: 28px; display: grid; gap: 14px; }
  .checks li { list-style: none; display: flex; gap: 12px; align-items: flex-start; color: var(--muted); }
  .checks svg { margin-top: 4px; color: var(--mint); font-size: 1.2rem; }
  .checks b { color: var(--ink); }

  /* battle */
  .battle { background: radial-gradient(ellipse at 20% 0, #C2660F 0, transparent 55%), linear-gradient(160deg, #7A2C0A, #A63A0C 50%, #7A1E0A); color: #fff; overflow: hidden; }
  .battle h2, .battle h2 em { color: #fff; } .battle h2 em::after { background: rgba(242,193,78,.55); }
  .battle .eyebrow { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.28); color: #FFE3A6; }
  .battle .sub { color: rgba(255,255,255,.8); }
  .arena { display: grid; grid-template-columns: 1fr .9fr; gap: 50px; align-items: center; }
  .vs-card { position: relative; border-radius: 32px; padding: 34px 30px 30px; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.26); backdrop-filter: blur(10px);
    box-shadow: 0 8px 0 rgba(0,0,0,.22), 0 40px 70px rgba(0,0,0,.3); }
  .vs-row { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; text-align: center; }
  .avatar { width: 84px; height: 84px; margin: 0 auto 10px; border-radius: 28px; display: grid; place-items: center; font-weight: 900; font-size: 2rem; box-shadow: 0 5px 0 rgba(0,0,0,.28); transition: transform .4s; }
  .avatar.you { background: linear-gradient(145deg, #4A7CF0, #1E4FB4); }
  .avatar.rival { background: linear-gradient(145deg, #F8D77F, #E5A92B); color: #4A3300; }
  .vs-card.tick .avatar.you { transform: translateY(-8px) scale(1.06); }
  .vs-badge { font-weight: 900; font-size: 1.5rem; letter-spacing: -.04em; padding: 10px 14px; border-radius: 16px; background: #fff; color: var(--ember); box-shadow: 0 4px 0 rgba(0,0,0,.25); animation: vs 2.4s ease-in-out infinite; }
  @keyframes vs { 50% { transform: scale(1.14) rotate(-4deg); } }
  .score { font-size: 2.6rem; font-weight: 900; letter-spacing: -.04em; line-height: 1; margin-top: 4px; font-variant-numeric: tabular-nums; }
  .vs-name { font-size: .85rem; font-weight: 700; opacity: .85; }
  .tug { margin-top: 26px; height: 14px; border-radius: 10px; background: rgba(0,0,0,.28); overflow: hidden; display: flex; }
  .tug i { display: block; height: 100%; width: 50%; background: linear-gradient(90deg, #4A7CF0, #8FB0FF); transition: width .8s cubic-bezier(.3,.9,.3,1); }
  .tug b { display: block; height: 100%; flex: 1; background: linear-gradient(90deg, #F8D77F, #E5A92B); }
  .timer { margin-top: 16px; display: flex; align-items: center; justify-content: center; gap: 8px; font-size: .86rem; font-weight: 700; opacity: .9; }
  .battle-list { display: grid; gap: 16px; margin-top: 30px; }
  .battle-list li { list-style: none; display: flex; gap: 14px; align-items: flex-start; }
  .battle-list .ico { flex: none; width: 40px; height: 40px; border-radius: 13px; background: rgba(255,255,255,.16); box-shadow: none; }
  .battle-list b { display: block; } .battle-list span { opacity: .8; font-size: .94rem; }

  /* pricing */
  .price-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 880px; margin: 0 auto; perspective: 1400px; }
  .pcard { position: relative; padding: 36px 32px; border-radius: 32px; background: #fff; border: 1px solid var(--line); box-shadow: 0 8px 0 var(--line); transform-style: preserve-3d; transition: transform .25s ease-out; }
  .pcard.pro { background: linear-gradient(160deg, var(--navy), #1B47A3); color: #fff; border-color: var(--navy); box-shadow: 0 8px 0 #0A2358, 0 40px 70px rgba(15,47,115,.3); }
  .pcard .badge { position: absolute; top: -14px; right: 26px; padding: 6px 14px; border-radius: 999px; background: var(--gold); color: #3B2A00; font-size: .72rem; font-weight: 900; letter-spacing: .06em; box-shadow: 0 3px 0 #B98A1B; }
  .plan { font-size: .8rem; font-weight: 900; letter-spacing: .16em; color: var(--blue); }
  .pro .plan { color: #FFD97A; }
  .pcard .desc { color: var(--muted); margin: 4px 0 22px; font-size: .95rem; } .pro .desc { color: rgba(255,255,255,.75); }
  .amount { font-size: 3rem; font-weight: 900; letter-spacing: -.04em; word-spacing: .14em; line-height: 1; }
  .amount small { font-size: .9rem; font-weight: 600; letter-spacing: 0; opacity: .7; margin-left: 6px; }
  .pcard .btn { width: 100%; justify-content: center; margin: 26px 0 24px; }
  .pcard ul { display: grid; gap: 12px; }
  .pcard li { list-style: none; display: flex; gap: 10px; align-items: flex-start; font-size: .94rem; }
  .pcard li svg { margin-top: 3px; color: var(--mint); } .pro li svg { color: #7CE8D2; }
  .note { margin-top: 18px; font-size: .8rem; opacity: .7; }
  .referral { max-width: 880px; margin: 34px auto 0; display: flex; align-items: center; gap: 18px; padding: 22px 26px; border-radius: 26px; background: #E6F6F2; border: 1px solid #BFE6DC; box-shadow: 0 5px 0 #BFE6DC; }
  .referral p { color: var(--muted); font-size: .92rem; } .referral h3 { font-size: 1.05rem; }
  .referral a { margin-left: auto; white-space: nowrap; font-weight: 800; color: var(--mint); }

  /* faq */
  .faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; }
  .faq { display: grid; gap: 14px; }
  .qa { border-radius: 22px; background: #fff; border: 1px solid var(--line); box-shadow: 0 4px 0 var(--line); overflow: hidden; transition: box-shadow .25s, border-color .25s; }
  .qa.open { border-color: #A9BDEA; box-shadow: 0 6px 0 #C6D4F2; }
  .qa button { display: flex; width: 100%; justify-content: space-between; align-items: center; gap: 14px; padding: 20px 24px; border: 0; background: none; font-weight: 700; font-size: 1.02rem; text-align: left; }
  .qa .plus { flex: none; width: 30px; height: 30px; border-radius: 10px; background: var(--sky); display: grid; place-items: center; color: var(--blue); transition: transform .35s, background .25s; }
  .qa.open .plus { transform: rotate(135deg); background: var(--blue); color: #fff; }
  .qa .body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .4s ease; }
  .qa.open .body { grid-template-rows: 1fr; }
  .qa .body > div { overflow: hidden; } .qa .body p { padding: 0 24px 22px; color: var(--muted); }

  /* final cta */
  .final { position: relative; overflow: hidden; margin: 0 20px 20px; border-radius: 44px; background: linear-gradient(135deg, #0B2760, var(--blue)); color: #fff; padding: 90px 0 0; }
  .final .aurora { filter: blur(80px); } .final .a1 { background: rgba(90,140,255,.45); left: -120px; top: -200px; } .final .a2 { background: rgba(120,160,255,.45); right: -120px; bottom: -240px; }
  .final-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: end; }
  .final h2 { color: #fff; } .final h2 em { color: #FFE09A; } .final h2 em::after { background: rgba(242,193,78,.3); }
  .final p.sub { margin: 18px 0 32px; color: rgba(255,255,255,.8); font-size: 1.1rem; max-width: 520px; }
  .final .rig { margin: 0 auto -70px; --rx: 8deg; --ry: -12deg; width: 270px; height: 584px; }

  footer { padding: 46px 0 36px; color: var(--muted); font-size: .86rem; }
  .foot { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
  .foot nav { display: flex; gap: 22px; } .foot a:hover { color: var(--blue); }

  .burger { display: none; }
  @media (max-width: 960px) {
    .hero { padding-top: 112px; } .hero-grid, .show-grid, .demo-grid, .arena, .faq-grid, .final-grid { grid-template-columns: 1fr; }
    .stage { height: 600px; transform: scale(.88); margin-top: -20px; } .c1 { left: -20px; } .c2 { right: -20px; } .c3 { left: -10px; }
    .strip-card { grid-template-columns: 1fr 1fr; } .stat:nth-child(3)::before { display: none; }
    .bento { grid-template-columns: repeat(2, 1fr); } .tile, .tile.wide { grid-column: span 1; }
    .show-phone { position: relative; top: 0; height: 640px; } .steps { padding-bottom: 0; } .step.on { transform: none; }
    .price-grid { grid-template-columns: 1fr; } .primary-nav { display: none; }
    .final { margin: 0 12px 12px; border-radius: 32px; } .final .rig { margin-top: 20px; }
  }
  @media (max-width: 560px) {
    .container { width: min(100% - 32px, var(--container)); } .bento { grid-template-columns: 1fr; }
    .section { padding: 76px 0; } .header-pill .btn { display: none; } .header-pill { padding: 8px 10px 8px 14px; } .lang { margin-left: auto; }
    .referral { flex-direction: column; align-items: flex-start; } .referral a { margin: 0; }
    .chip3d { transform: translateZ(60px) scale(.86); } .stat b { font-size: 1.8rem; }
  }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
    .reveal { opacity: 1; transform: none; } h1 em::after, h2 em::after { transform: scaleX(1); }
  }

  .skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 100; background: var(--blue); color: #fff; padding: .7rem 1rem; border-radius: .5rem; }
  .skip-link:focus { top: 1rem; }
  .amount.amount-text { font-size: 1.7rem; line-height: 1.3; }