:root {
  --background: #070a0f;
  --foreground: #f3f7fb;
  --border: rgba(255,255,255,.1);
  --ring: #6ce5cf;
  --radius: 1rem;
  color-scheme: dark;
}

* { box-sizing: border-box; border-color: var(--border); }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--background); color: var(--foreground); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
main { overflow: hidden; background: radial-gradient(circle at 50% 5%, rgba(26,68,77,.22), transparent 31%), #070a0f; }

.site-header { height: 74px; max-width: 1240px; margin: 0 auto; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.08); position: relative; z-index: 10; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 720; letter-spacing: -.02em; }
.brand-mark { width: 35px; height: 35px; display: grid; place-items: center; background: #d9ff56; color: #11150b; border-radius: 10px; transform: rotate(-3deg); box-shadow: inset 0 0 0 1px rgba(255,255,255,.4); }
.brand-mark img { width: 22px; height: 22px; }
.desktop-nav { display: flex; gap: 34px; font-size: 13px; color: #9ba6b2; }
.desktop-nav a:hover { color: white; }
.header-cta { display: flex; align-items: center; gap: 8px; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.06); padding: 10px 15px; border-radius: 10px; font-size: 13px; font-weight: 650; }
.cta-text { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.05; }
.cta-text small { margin-top: 3px; font-size: 9px; font-weight: 600; opacity: .62; }
.mobile-menu, .mobile-nav { display: none; }
.mobile-nav[hidden] { display: none; }

.hero { max-width: 1240px; margin: 0 auto; padding: 100px 28px 44px; position: relative; text-align: center; }
.hero-glow { position: absolute; width: 640px; height: 640px; border-radius: 50%; top: -220px; left: calc(50% - 320px); background: rgba(76,224,202,.08); filter: blur(40px); pointer-events: none; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: #9ae9d9; border: 1px solid rgba(108,229,207,.22); background: rgba(108,229,207,.06); border-radius: 999px; padding: 8px 12px; text-transform: uppercase; font-size: 10px; letter-spacing: .16em; font-weight: 700; }
.hero h1 { margin: 28px auto 0; max-width: 1184px; font-size: clamp(24px, 7.2vw, 86px); line-height: .96; letter-spacing: -.065em; font-weight: 760; }
.hero-line { display: block; white-space: nowrap; }
.hero-line-muted { color: #92a0ac; }
.hero-copy { margin: 30px auto 0; max-width: 680px; color: #9ba6b2; font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; justify-content: center; align-items: center; gap: 12px; margin-top: 32px; }
.primary-cta, .secondary-cta, .hero-support-cta { min-height: 50px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 20px; font-size: 14px; font-weight: 720; transition: transform .2s ease, background .2s ease; }
.primary-cta { background: #d9ff56; color: #11150b; box-shadow: 0 10px 40px rgba(217,255,86,.12); }
.primary-cta:hover, .secondary-cta:hover, .hero-support-cta:hover { transform: translateY(-2px); }
.secondary-cta { border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.04); color: #d7dee5; }
.hero-support-cta { border: 1px solid rgba(108,229,207,.3); background: rgba(108,229,207,.06); color: #8fe7d6; }
.hero-support-cta:hover { background: rgba(108,229,207,.12); }
.microcopy { display: flex; justify-content: center; align-items: center; gap: 7px; margin-top: 16px; font-size: 11px; color: #67727e; }

.features { max-width: 1184px; margin: 0 auto; padding: 140px 0; }
.features { padding-top: 52px; }
.section-heading { display: grid; grid-template-columns: .55fr 2.45fr; align-items: center; gap: 48px; margin-bottom: 68px; }
.section-heading > p { color: #6ce5cf; text-transform: uppercase; font-size: 10px; letter-spacing: .18em; font-weight: 700; align-self: start; }
.section-heading h2 { margin: 0; font-size: clamp(16px, 5vw, 52px); line-height: .98; letter-spacing: -.055em; white-space: nowrap; }
.module-list { display: grid; gap: 18px; }
.module { min-height: 460px; display: grid; grid-template-columns: .8fr 1.4fr; border: 1px solid rgba(255,255,255,.09); border-radius: 22px; background: #0b1017; overflow: hidden; }
.module-copy { padding: 48px; display: flex; flex-direction: column; align-items: flex-start; position: relative; }
.module-number { position: absolute; top: 24px; right: 28px; color: #3c4752; font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; }
.module-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 13px; background: rgba(108,229,207,.08); color: #6ce5cf; }
.module-violet .module-icon { background: rgba(170,128,255,.09); color: #b99aff; }
.module-lime .module-icon { background: rgba(217,255,86,.08); color: #d9ff56; }
.module-orange .module-icon { background: rgba(255,166,86,.09); color: #ffae66; }
.module-robot .module-icon { background: rgba(87,153,255,.1); color: #76aaff; }
.module h3 { margin: 90px 0 14px; font-size: 32px; letter-spacing: -.04em; }
.module p { margin: 0; max-width: 390px; color: #84909c; line-height: 1.7; font-size: 14px; }
.module ul { list-style: none; margin: auto 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 14px; color: #aab3bc; font-size: 11px; }
.module li { display: flex; align-items: center; gap: 5px; }
.module li svg { color: #6ce5cf; }
.module-visual { align-self: center; margin: 24px 24px 24px 0; aspect-ratio: 1.92; border-radius: 15px; overflow: hidden; background: #152332; display: grid; place-items: center; min-width: 0; }
.module-sync .module-visual { aspect-ratio: 2388 / 1285; }
.module-visual img { width: 100%; height: 100%; object-fit: contain; }
.image-button { position: relative; display: block; width: 100%; height: 100%; margin: 0; padding: 0; border: 0; background: transparent; color: inherit; cursor: zoom-in; overflow: hidden; }
.image-button:focus-visible { outline: 3px solid #6ce5cf; outline-offset: -3px; }
.zoom-hint { position: absolute; right: 12px; bottom: 12px; padding: 7px 10px; border: 1px solid rgba(255,255,255,.14); border-radius: 8px; background: rgba(7,10,15,.78); color: #e7edf2; font-size: 10px; letter-spacing: .04em; opacity: 0; transform: translateY(4px); transition: opacity .2s ease, transform .2s ease; backdrop-filter: blur(8px); }
.image-button:hover .zoom-hint, .image-button:focus-visible .zoom-hint { opacity: 1; transform: translateY(0); }

.image-dialog { width: min(96vw, 1600px); height: min(94vh, 1000px); max-width: none; max-height: none; padding: 0; border: 1px solid rgba(255,255,255,.16); border-radius: 18px; background: #080d13; color: #f3f7fb; box-shadow: 0 40px 120px rgba(0,0,0,.7); overflow: hidden; }
.image-dialog::backdrop { background: rgba(0,0,0,.82); backdrop-filter: blur(8px); }
.dialog-toolbar { height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0 12px 0 20px; border-bottom: 1px solid rgba(255,255,255,.1); }
.dialog-toolbar p { margin: 0; color: #aab4be; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dialog-close { flex: 0 0 auto; width: 36px; height: 36px; border: 1px solid rgba(255,255,255,.12); border-radius: 10px; background: rgba(255,255,255,.06); color: white; font-size: 25px; line-height: 1; cursor: pointer; }
.dialog-close:hover, .dialog-close:focus-visible { background: rgba(255,255,255,.12); outline: none; }
.dialog-stage { width: 100%; height: calc(100% - 54px); display: grid; place-items: center; padding: 16px; overflow: auto; }
.dialog-stage img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; }

.support { max-width: 1184px; margin: 0 auto 140px; padding: 42px 44px 46px; border: 1px solid rgba(108,229,207,.18); border-radius: 22px; background: linear-gradient(135deg, rgba(108,229,207,.08), rgba(255,255,255,.025) 58%); }
.support-label { margin: 0 0 32px; color: #6ce5cf; text-transform: uppercase; font-size: 10px; letter-spacing: .18em; font-weight: 700; }
.support-content { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: end; }
.support h2 { margin: 0; font-size: clamp(38px, 4.6vw, 62px); line-height: 1; letter-spacing: -.055em; }
.support-copy p { margin: 0; color: #9ba6b2; font-size: 15px; line-height: 1.75; }
.support-note { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: center; margin-top: 22px; padding: 14px; border: 1px solid rgba(108,229,207,.14); border-radius: 13px; background: rgba(7,10,15,.42); }
.support-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 11px; background: rgba(108,229,207,.1); color: #6ce5cf; }
.support-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; }
.support-note p { font-size: 13px; line-height: 1.55; }
.support-cta { min-height: 48px; margin-top: 28px; padding: 0 18px; display: inline-flex; align-items: center; gap: 18px; border-radius: 11px; background: #6ce5cf; color: #0b1514; font-size: 13px; font-weight: 750; transition: transform .2s ease, background .2s ease; }
.support-cta:hover { transform: translateY(-2px); background: #82ebd8; }

.install { max-width: 1184px; margin: 20px auto 0; min-height: 610px; border-radius: 26px; background: #d9ff56; color: #10130d; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 60px 24px; position: relative; overflow: hidden; }
.install:before, .install:after { content: ''; position: absolute; width: 420px; height: 420px; border: 1px solid rgba(16,19,13,.12); border-radius: 50%; }
.install:before { left: -220px; top: -150px; box-shadow: 0 0 0 55px rgba(16,19,13,.025), 0 0 0 110px rgba(16,19,13,.02); }
.install:after { right: -230px; bottom: -190px; box-shadow: 0 0 0 55px rgba(16,19,13,.025), 0 0 0 110px rgba(16,19,13,.02); }
.install-badge { width: 52px; height: 52px; border: 1px solid rgba(16,19,13,.15); border-radius: 14px; display: grid; place-items: center; position: relative; z-index: 1; }
.install > p { margin: 26px 0 10px; font-size: 11px; text-transform: uppercase; letter-spacing: .15em; font-weight: 750; position: relative; z-index: 1; }
.install h2 { margin: 0; font-size: clamp(48px, 6vw, 76px); line-height: .98; letter-spacing: -.06em; position: relative; z-index: 1; }
.install > span { max-width: 560px; margin-top: 22px; color: rgba(16,19,13,.65); line-height: 1.6; font-size: 15px; position: relative; z-index: 1; }
.primary-cta.light { margin-top: 28px; background: #10130d; color: white; position: relative; z-index: 1; box-shadow: none; }
.install-guide { width: min(100%, 760px); margin-top: 24px; padding: 12px; display: grid; grid-template-columns: minmax(260px, .9fr) 1fr; gap: 24px; align-items: center; border-radius: 16px; background: #10161e; color: #f3f7fb; position: relative; z-index: 1; text-align: left; box-shadow: 0 14px 40px rgba(16,19,13,.18); }
.install-guide img { width: 100%; border-radius: 10px; }
.install-guide > div { padding: 14px 18px 14px 0; }
.install-guide strong { display: block; font-size: 17px; letter-spacing: -.02em; }
.install-guide p { margin: 10px 0 0; color: #9ba6b2; font-size: 13px; line-height: 1.65; }
.install small { margin-top: 14px; color: rgba(16,19,13,.46); position: relative; z-index: 1; }

footer { max-width: 1184px; height: 150px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; color: #67727d; font-size: 11px; }
footer p { text-align: center; }
footer > span { text-align: right; }

@media (max-width: 900px) {
  .features, .support, .install { margin-left: 20px; margin-right: 20px; }
  .desktop-nav, .header-cta { display: none; }
  .mobile-menu { width: 42px; height: 42px; padding: 0; border: 1px solid rgba(255,255,255,.12); border-radius: 10px; background: rgba(255,255,255,.05); color: #d7dee5; font: 22px/1 ui-sans-serif, system-ui, sans-serif; cursor: pointer; place-items: center; }
  .mobile-menu { display: grid; }
  .mobile-menu[aria-expanded="true"] { border-color: rgba(108,229,207,.32); background: rgba(108,229,207,.1); color: #8fe7d6; }
  .mobile-menu:focus-visible { outline: 2px solid #6ce5cf; outline-offset: 3px; }
  .mobile-nav { position: absolute; top: 62px; right: 28px; width: min(260px, calc(100vw - 56px)); padding: 8px; flex-direction: column; gap: 4px; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; background: rgba(11,16,23,.98); box-shadow: 0 20px 55px rgba(0,0,0,.48); backdrop-filter: blur(16px); }
  .mobile-nav:not([hidden]) { display: flex; }
  .mobile-nav a { padding: 13px 14px; border-radius: 9px; color: #cbd4dc; font-size: 14px; font-weight: 650; }
  .mobile-nav a:hover, .mobile-nav a:focus-visible { background: rgba(108,229,207,.09); color: #8fe7d6; outline: none; }
  .hero { padding: 75px 28px 52px; }
  .features { padding-top: 44px; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .section-heading > p { margin: 0; }
  .module { grid-template-columns: 1fr; }
  .module-copy { min-height: 390px; }
  .module-visual { margin: 0 18px 18px; min-height: 0; }
  .support { margin-bottom: 100px; }
  .support-content { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 640px) {
  .site-header { height: 66px; padding: 0 20px; }
  .mobile-nav { top: 58px; right: 20px; width: min(260px, calc(100vw - 40px)); }
  .hero { padding: 66px 20px 44px; }
  .hero-copy { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .primary-cta, .secondary-cta, .hero-support-cta { width: 100%; max-width: 340px; }
  .microcopy { line-height: 1.5; padding: 0 12px; }
  .features { padding: 100px 0; }
  .features { padding-top: 36px; }
  .section-heading { margin-bottom: 40px; }
  .module-copy { padding: 30px; min-height: 370px; }
  .module h3 { margin-top: 70px; }
  .module-visual { min-height: 0; }
  .support { margin-bottom: 80px; padding: 32px 28px 34px; }
  .support-label { margin-bottom: 24px; }
  .support-copy p { font-size: 14px; }
  .support-note { grid-template-columns: 40px 1fr; padding: 12px; }
  .support-icon { width: 40px; height: 40px; }
  .support-note p { font-size: 12px; }
  .support-cta { width: 100%; justify-content: space-between; }
  .install { min-height: 560px; }
  .install-guide { grid-template-columns: 1fr; max-width: 440px; gap: 10px; padding: 10px; }
  .install-guide > div { padding: 12px 10px 16px; }
  footer { height: auto; padding: 50px 20px; grid-template-columns: 1fr; gap: 24px; text-align: center; }
  footer p, footer > span { text-align: center; margin: 0; }
  footer .brand { justify-content: center; }
  .image-dialog { width: 100vw; height: 100dvh; border: 0; border-radius: 0; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }