:root {
  --bg: #020617;
  --bg-2: #050b24;
  --panel: rgba(8, 20, 60, .70);
  --panel-strong: #08133f;
  --line: rgba(108, 177, 255, .18);
  --text: #f7fbff;
  --muted: #a8b7da;
  --blue: #1262ff;
  --blue-2: #0637d8;
  --cyan: #2dd8ff;
  --ice: #d8f6ff;
  --shadow: 0 25px 70px rgba(0, 25, 110, .36);
  --container: 1180px;
  --radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(21, 92, 255, .13), transparent 30%),
    radial-gradient(circle at 90% 20%, rgba(45, 216, 255, .08), transparent 24%),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { color: #fff; background: rgba(0, 112, 255, .75); }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; left: 14px; top: -80px; z-index: 10000; padding: 10px 14px; border-radius: 10px; background: #fff; color: #031039; }
.skip-link:focus { top: 14px; }

.ambient { position: fixed; z-index: -2; border-radius: 50%; pointer-events: none; filter: blur(90px); opacity: .36; }
.ambient-one { width: 420px; height: 420px; left: -230px; top: 18%; background: #0a4cff; }
.ambient-two { width: 330px; height: 330px; right: -180px; top: 55%; background: #00bde9; }

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 1000; height: 78px;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.site-header.scrolled { background: rgba(2, 6, 23, .84); border-color: var(--line); backdrop-filter: blur(18px); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-size: 1.05rem; font-weight: 780; letter-spacing: .045em; }
.brand strong { color: var(--ice); }
.brand-icon { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid rgba(103, 216, 255, .42); border-radius: 10px; color: #fff; background: linear-gradient(145deg, #0e3ae3, #079eea); box-shadow: 0 0 28px rgba(13, 108, 255, .25); font-size: .82rem; }
.main-nav { display: flex; align-items: center; gap: 28px; color: #d8e5ff; font-size: .9rem; font-weight: 700; }
.main-nav > a:not(.nav-cta) { position: relative; }
.main-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: linear-gradient(90deg, var(--blue), var(--cyan)); transition: right .22s ease; }
.main-nav > a:not(.nav-cta):hover::after { right: 0; }
.nav-cta { padding: 10px 18px; border: 1px solid rgba(59, 196, 255, .35); border-radius: 999px; background: rgba(13, 93, 255, .12); }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 0; border: 0; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 25px; height: 2px; margin: 5px auto; border-radius: 999px; background: #fff; transition: .25s ease; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero { position: relative; min-height: 830px; padding: 140px 0 0; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .19; background-image: linear-gradient(rgba(89, 169, 255, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(89, 169, 255, .08) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(to bottom, #000 25%, transparent 88%); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 64px; padding-bottom: 94px; }
.hero-copy { padding: 25px 0; }
.hero-kicker, .section-tag { display: inline-flex; align-items: center; gap: 9px; color: #8cecff; font-size: .75rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 0 rgba(45,216,255,.65); animation: pulse 2s ease-out infinite; }
.hero h1 { max-width: 670px; margin: 18px 0 24px; font-size: clamp(2.9rem, 5.7vw, 5.6rem); line-height: .95; letter-spacing: -.058em; }
.hero h1 em { display: block; color: transparent; font-style: normal; background: linear-gradient(90deg, #fff 4%, #75e9ff 45%, #2e69ff 92%); background-clip: text; -webkit-background-clip: text; }
.hero-copy > p { max-width: 650px; margin: 0; color: #b8c8eb; font-size: 1.06rem; }
.hero-copy > p strong { color: #eef8ff; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 32px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 11px; padding: 0 23px; border: 1px solid transparent; border-radius: 14px; font-weight: 850; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, .main-nav a:focus-visible, summary:focus-visible, .floating-test:focus-visible { outline: 3px solid rgba(84, 226, 255, .7); outline-offset: 4px; }
.button-primary { color: #fff; background: linear-gradient(115deg, #1238ff 0%, #086eff 56%, #18c8ee 125%); box-shadow: 0 15px 36px rgba(0, 83, 255, .31), inset 0 1px rgba(255,255,255,.2); }
.button-primary:hover { box-shadow: 0 18px 44px rgba(0, 111, 255, .44), inset 0 1px rgba(255,255,255,.22); }
.button-primary b { font-size: 1.05rem; }
.button-ghost { color: #edf6ff; border-color: rgba(140, 193, 255, .22); background: rgba(255,255,255,.04); }
.button-ghost:hover { border-color: rgba(80, 218, 255, .45); background: rgba(0, 121, 255, .09); }
.hero-mini-proof { display: flex; flex-wrap: wrap; gap: 16px 23px; margin-top: 27px; color: #9eb0d4; font-size: .82rem; font-weight: 650; }
.hero-mini-proof span { display: inline-flex; align-items: center; gap: 7px; }
.hero-mini-proof i { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px rgba(45,216,255,.65); }

.hero-stage { position: relative; min-height: 560px; display: grid; place-items: center; }
.stage-lines { position: absolute; inset: 8%; border: 1px solid rgba(41, 138, 255, .18); transform: perspective(600px) rotateX(66deg) rotateZ(-8deg); box-shadow: 0 0 0 45px rgba(16,78,255,.018), 0 0 0 90px rgba(16,78,255,.012); }
.stage-lines::before, .stage-lines::after { content: ""; position: absolute; inset: 13%; border: 1px solid rgba(64, 206, 255, .13); }
.stage-lines::after { inset: 27%; }
.stage-glow { position: absolute; width: 440px; height: 330px; border-radius: 50%; background: rgba(16, 90, 255, .25); filter: blur(70px); }
.logo-frame { position: relative; z-index: 2; width: min(100%, 600px); padding: 10px; border: 1px solid rgba(89, 187, 255, .27); border-radius: 30px; background: linear-gradient(145deg, rgba(14, 29, 88, .68), rgba(2, 6, 22, .9)); box-shadow: 0 34px 90px rgba(0, 26, 122, .45), 0 0 50px rgba(0, 116, 255, .12); transform: rotate(1.8deg); }
.logo-frame::before { content: ""; position: absolute; inset: -2px; z-index: -1; border-radius: inherit; background: linear-gradient(130deg, #154dff, #29d8ff, #1139c7); opacity: .55; filter: blur(12px); }
.logo-frame img { width: 100%; height: auto; border-radius: 21px; }
.stage-chip { position: absolute; z-index: 4; min-width: 130px; padding: 12px 15px; border: 1px solid rgba(95, 211, 255, .29); border-radius: 15px; background: rgba(2, 9, 34, .84); backdrop-filter: blur(14px); box-shadow: var(--shadow); }
.stage-chip small, .stage-chip strong { display: block; }
.stage-chip small { color: #8da2cc; font-size: .62rem; font-weight: 850; letter-spacing: .13em; }
.stage-chip strong { margin-top: 1px; color: #eafdff; font-size: .96rem; letter-spacing: .03em; }
.chip-one { top: 11%; left: -1%; }
.chip-two { right: -1%; bottom: 12%; }

.device-marquee { position: relative; z-index: 3; overflow: hidden; border-block: 1px solid rgba(82, 180, 255, .18); background: linear-gradient(90deg, rgba(12, 44, 143, .55), rgba(4, 13, 52, .72), rgba(12, 44, 143, .55)); transform: rotate(-.8deg); }
.device-track { width: max-content; display: flex; align-items: center; gap: 26px; padding: 15px 0; color: #dcecff; font-size: .76rem; font-weight: 900; letter-spacing: .15em; animation: marquee 28s linear infinite; }
.device-track i { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); }

.section { position: relative; padding: 108px 0; }
.section-heading { max-width: 780px; margin: 0 auto 48px; text-align: center; }
.section-heading h2, .compat-copy h2, .faq-copy h2, .steps-copy h2 { margin: 11px 0 15px; font-size: clamp(2.1rem, 4vw, 3.75rem); line-height: 1.06; letter-spacing: -.045em; }
.section-heading p, .compat-copy > p, .faq-copy > p, .steps-copy > p { margin: 0; color: var(--muted); font-size: 1rem; }

.benefits { background: linear-gradient(180deg, rgba(4,10,35,.38), rgba(6,12,48,.72)); }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: minmax(230px, auto); gap: 18px; }
.benefit-card { position: relative; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg, rgba(10, 24, 79, .72), rgba(5, 11, 42, .78)); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.benefit-card:hover { transform: translateY(-5px); border-color: rgba(78, 215, 255, .38); box-shadow: 0 24px 52px rgba(0, 20, 90, .24); }
.benefit-card-large { grid-row: span 2; display: flex; flex-direction: column; justify-content: flex-end; min-height: 478px; }
.benefit-card-wide { grid-column: span 2; display: grid; grid-template-columns: auto 1fr; gap: 26px; align-items: center; }
.card-number { position: absolute; right: 22px; top: 18px; color: rgba(149, 202, 255, .17); font-size: 2.45rem; font-weight: 950; }
.benefit-icon { width: 50px; height: 50px; display: grid; place-items: center; margin-bottom: 28px; border: 1px solid rgba(76, 211, 255, .29); border-radius: 15px; background: linear-gradient(145deg, rgba(0, 87, 255, .32), rgba(0, 224, 255, .10)); color: #9bedff; font-size: 1.2rem; box-shadow: inset 0 1px rgba(255,255,255,.05); }
.benefit-card h3 { margin: 0 0 8px; font-size: 1.22rem; }
.benefit-card p { margin: 0; color: #aab8d9; font-size: .92rem; }
.decor-bars { display: flex; align-items: flex-end; gap: 7px; height: 118px; margin-top: 42px; }
.decor-bars span { flex: 1; border-radius: 8px 8px 0 0; background: linear-gradient(180deg, rgba(38, 210, 255, .72), rgba(10, 58, 216, .14)); }
.decor-bars span:nth-child(1) { height: 42%; }
.decor-bars span:nth-child(2) { height: 72%; }
.decor-bars span:nth-child(3) { height: 100%; }
.text-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; color: #72e5ff; font-weight: 850; font-size: .9rem; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(5px); }

.compatibility { overflow: hidden; }
.compatibility-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 75px; }
.compat-visual { position: relative; min-height: 580px; display: grid; place-items: center; }
.compat-ring { position: absolute; border: 1px solid rgba(65, 181, 255, .18); border-radius: 50%; }
.ring-one { width: 450px; height: 450px; animation: spin 35s linear infinite; }
.ring-two { width: 555px; height: 555px; border-style: dashed; animation: spin 50s linear infinite reverse; }
.device-core { position: relative; z-index: 2; width: 205px; height: 205px; display: grid; place-items: center; align-content: center; border: 1px solid rgba(74, 204, 255, .35); border-radius: 50%; background: radial-gradient(circle, rgba(17, 84, 255, .38), rgba(4, 12, 46, .88) 65%); box-shadow: 0 0 70px rgba(0, 104, 255, .27), inset 0 0 40px rgba(33, 180, 255, .08); }
.device-core span { color: #fff; font-size: 4.5rem; font-weight: 950; line-height: .85; }
.device-core strong { margin-top: 11px; color: #82eaff; font-size: .68rem; line-height: 1.3; letter-spacing: .13em; text-align: center; }
.device-node { position: absolute; z-index: 3; display: grid; place-items: center; min-width: 78px; min-height: 44px; padding: 8px 12px; border: 1px solid rgba(87, 206, 255, .30); border-radius: 12px; background: rgba(4, 12, 43, .90); color: #dff8ff; box-shadow: 0 12px 32px rgba(0, 25, 110, .32); font-size: .68rem; font-weight: 900; letter-spacing: .05em; }
.node-1 { left: 8%; top: 22%; }
.node-2 { right: 7%; top: 17%; }
.node-3 { left: 2%; bottom: 31%; }
.node-4 { right: 0; bottom: 31%; }
.node-5 { left: 19%; bottom: 7%; }
.node-6 { right: 20%; bottom: 7%; }
.node-7 { top: 3%; left: 50%; transform: translateX(-50%); }
.device-list { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; margin: 31px 0; }
.device-list > div { display: flex; align-items: center; gap: 10px; padding: 13px 14px; border: 1px solid rgba(130, 184, 255, .14); border-radius: 13px; background: rgba(9, 22, 70, .42); font-size: .87rem; }
.device-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 13px rgba(45,216,255,.65); }

.pricing { background: linear-gradient(180deg, rgba(5,11,42,.45), rgba(3,8,29,.86)); }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 17px; align-items: stretch; }
.price-card { position: relative; display: flex; flex-direction: column; min-height: 440px; padding: 28px; border: 1px solid var(--line); border-radius: 25px; background: linear-gradient(160deg, rgba(11, 27, 88, .76), rgba(4, 10, 37, .88)); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.price-card:hover { transform: translateY(-6px); border-color: rgba(83, 212, 255, .40); box-shadow: 0 25px 52px rgba(0, 24, 102, .30); }
.price-card-featured { border-color: rgba(72, 218, 255, .52); background: linear-gradient(160deg, rgba(15, 57, 154, .74), rgba(5, 14, 52, .92)); box-shadow: 0 22px 55px rgba(0, 76, 255, .20); }
.best-choice { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); white-space: nowrap; padding: 6px 12px; border-radius: 999px; background: linear-gradient(105deg, #1543f0, #25c8f2); color: #fff; font-size: .64rem; font-weight: 950; letter-spacing: .1em; }
.price-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.plan-name { color: #8cecff; font-size: .72rem; font-weight: 950; letter-spacing: .13em; }
.plan-period { color: #8fa2c8; font-size: .69rem; font-weight: 800; }
.price { display: flex; align-items: flex-start; margin: 24px 0 15px; color: #fff; line-height: 1; }
.price small { margin: 9px 5px 0 0; color: #bbd8fa; font-size: .85rem; font-weight: 850; }
.price strong { font-size: 3.35rem; letter-spacing: -.065em; }
.price sup { margin-top: 8px; font-size: 1rem; font-weight: 900; }
.screen-count { display: inline-flex; align-items: baseline; gap: 6px; width: max-content; margin-bottom: 22px; padding: 7px 11px; border: 1px solid rgba(76, 207, 255, .20); border-radius: 999px; background: rgba(0, 124, 255, .07); color: #dff8ff; font-size: .8rem; }
.screen-count b { color: var(--cyan); font-size: 1.05rem; }
.price-card ul { display: grid; gap: 9px; margin: 0 0 26px; padding: 0; list-style: none; color: #b8c6e4; font-size: .86rem; }
.price-card .button { width: 100%; margin-top: auto; }
.pricing-cta { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 22px; padding: 26px 30px; border: 1px solid rgba(78, 207, 255, .22); border-radius: 22px; background: linear-gradient(110deg, rgba(11, 50, 147, .62), rgba(4, 13, 47, .82)); }
.pricing-cta span { color: #82e8ff; font-size: .69rem; font-weight: 900; letter-spacing: .14em; }
.pricing-cta h3 { margin: 4px 0 0; font-size: 1.45rem; }

.steps { padding-top: 80px; }
.steps-panel { display: grid; grid-template-columns: .85fr 1.15fr; gap: 60px; align-items: center; padding: 46px; border: 1px solid rgba(87, 198, 255, .20); border-radius: 28px; background: linear-gradient(135deg, rgba(10, 37, 119, .58), rgba(3, 9, 34, .86)); box-shadow: var(--shadow); }
.steps-copy h2 { font-size: clamp(2rem, 3.6vw, 3.3rem); }
.steps-list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.steps-list li { display: grid; grid-template-columns: auto 1fr; gap: 17px; align-items: center; padding: 16px; border: 1px solid rgba(128, 184, 255, .12); border-radius: 15px; background: rgba(7, 18, 60, .52); }
.steps-list li > span { width: 45px; height: 45px; display: grid; place-items: center; border-radius: 13px; background: linear-gradient(145deg, rgba(22, 79, 255, .37), rgba(37, 213, 255, .10)); color: #85eaff; font-size: .78rem; font-weight: 950; }
.steps-list strong, .steps-list small { display: block; }
.steps-list strong { margin-bottom: 2px; }
.steps-list small { color: #99aad0; font-size: .78rem; }

.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: start; }
.faq-copy { position: sticky; top: 122px; }
.faq-copy .button { margin-top: 24px; }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 22px 4px; cursor: pointer; list-style: none; font-weight: 800; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { position: relative; width: 20px; height: 20px; flex: 0 0 20px; }
.accordion summary span::before, .accordion summary span::after { content: ""; position: absolute; left: 2px; top: 9px; width: 16px; height: 2px; border-radius: 2px; background: var(--cyan); transition: transform .2s ease; }
.accordion summary span::after { transform: rotate(90deg); }
.accordion details[open] summary span::after { transform: rotate(0); }
.accordion p { margin: -2px 0 21px; padding-right: 42px; color: var(--muted); font-size: .92rem; }

.final-cta { padding: 20px 0 82px; }
.final-card { display: grid; grid-template-columns: 180px 1fr auto; align-items: center; gap: 30px; padding: 25px 30px; overflow: hidden; border: 1px solid rgba(93, 207, 255, .24); border-radius: 28px; background: linear-gradient(110deg, rgba(12, 47, 143, .67), rgba(3, 11, 41, .9)); box-shadow: var(--shadow); }
.final-logo { overflow: hidden; border-radius: 18px; box-shadow: 0 12px 34px rgba(0, 16, 76, .30); }
.final-logo img { width: 180px; height: 138px; object-fit: cover; }
.final-copy > span { color: #82eaff; font-size: .68rem; font-weight: 950; letter-spacing: .14em; }
.final-copy h2 { margin: 4px 0 6px; font-size: clamp(1.55rem, 3vw, 2.3rem); line-height: 1.12; }
.final-copy p { margin: 0; color: #aebce0; font-size: .88rem; }

.site-footer { padding: 31px 0 24px; border-top: 1px solid var(--line); background: #010412; }
.footer-main { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 35px; padding-bottom: 24px; }
.footer-main > p { margin: 0; max-width: 520px; color: #8797bb; font-size: .82rem; }
.footer-main nav { display: flex; flex-wrap: wrap; gap: 17px; color: #b6c4e3; font-size: .8rem; font-weight: 700; }
.footer-main nav a:hover { color: #7fe8ff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid rgba(123, 180, 255, .09); color: #6f7fa3; font-size: .72rem; }

.floating-test { position: fixed; right: 20px; bottom: 20px; z-index: 900; display: flex; align-items: center; gap: 10px; padding: 9px 14px 9px 9px; border: 1px solid rgba(103, 222, 255, .38); border-radius: 999px; background: linear-gradient(110deg, #124bf2, #09aee6); box-shadow: 0 15px 42px rgba(0, 92, 255, .42); transition: transform .2s ease, box-shadow .2s ease; }
.floating-test:hover { transform: translateY(-3px); box-shadow: 0 18px 48px rgba(0, 122, 255, .52); }
.floating-icon { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.15); font-size: .74rem; }
.floating-text small, .floating-text strong { display: block; line-height: 1.15; }
.floating-text small { font-size: .54rem; font-weight: 900; letter-spacing: .1em; opacity: .82; }
.floating-text strong { margin-top: 2px; font-size: .78rem; }

.reveal { opacity: 0; transform: translateY(25px); transition: opacity .72s ease, transform .72s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .11s; }
.reveal-delay-2 { transition-delay: .22s; }

@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(45,216,255,0); } 100% { box-shadow: 0 0 0 0 rgba(45,216,255,0); } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1050px) {
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 25px; }
  .hero-copy { max-width: 780px; margin-inline: auto; }
  .hero-copy > p { margin-inline: auto; }
  .hero-kicker, .hero-actions, .hero-mini-proof { justify-content: center; }
  .hero-stage { min-height: 500px; }
  .logo-frame { width: min(100%, 560px); }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .benefit-card-large { grid-row: span 1; min-height: 260px; }
  .benefit-card-wide { grid-column: span 2; }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .compatibility-grid { gap: 35px; }
  .final-card { grid-template-columns: 150px 1fr; }
  .final-card .button { grid-column: 1 / -1; }
  .final-logo img { width: 150px; height: 115px; }
}

@media (max-width: 840px) {
  .site-header { height: 70px; }
  .menu-toggle { display: block; position: relative; z-index: 1002; }
  .main-nav { position: fixed; inset: 0; z-index: 1001; flex-direction: column; justify-content: center; gap: 26px; background: rgba(1, 5, 21, .97); backdrop-filter: blur(20px); font-size: 1.12rem; opacity: 0; visibility: hidden; transform: translateY(-12px); transition: .25s ease; }
  .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-cta { margin-top: 6px; padding: 13px 23px; }
  .compatibility-grid, .faq-grid, .steps-panel { grid-template-columns: 1fr; }
  .compat-copy { text-align: center; }
  .device-list { text-align: left; }
  .faq-copy { position: static; text-align: center; }
  .compat-visual { min-height: 535px; }
  .pricing-cta { flex-direction: column; text-align: center; }
  .pricing-cta .button { width: 100%; }
  .steps-panel { gap: 34px; padding: 35px; }
  .footer-main { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .footer-main nav { justify-content: center; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 82px 0; }
  .brand { font-size: .92rem; }
  .brand-icon { width: 31px; height: 31px; }
  .hero { padding-top: 112px; }
  .hero h1 { font-size: clamp(2.45rem, 13vw, 3.75rem); }
  .hero-copy > p { font-size: .96rem; }
  .hero-actions .button { width: 100%; }
  .hero-mini-proof { gap: 10px 14px; }
  .hero-stage { min-height: 385px; }
  .logo-frame { width: 100%; border-radius: 22px; }
  .logo-frame img { border-radius: 15px; }
  .stage-lines { display: none; }
  .stage-chip { min-width: 112px; padding: 10px 12px; }
  .chip-one { top: 3%; left: -1%; }
  .chip-two { right: -1%; bottom: 3%; }
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-card-wide { grid-column: auto; grid-template-columns: 1fr; gap: 0; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card { min-height: auto; }
  .compat-visual { min-height: 420px; transform: scale(.84); margin: -35px 0; }
  .device-list { grid-template-columns: 1fr; }
  .compat-copy .button { width: 100%; }
  .steps-panel { padding: 28px 23px; }
  .steps-list li { padding: 13px; }
  .final-card { grid-template-columns: 1fr; justify-items: center; text-align: center; padding: 25px 22px; }
  .final-logo img { width: 160px; height: 123px; }
  .final-card .button { width: 100%; }
  .floating-test { right: 13px; bottom: 13px; padding: 9px; }
  .floating-text { display: none; }
  .floating-icon { width: 39px; height: 39px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}