/* Nova AI — demo landing. Black space, green/teal horizon glow, glass panels. */

:root {
  --bg: #030605;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f2f5f3;
  --muted: #9aa8a1;
  --faint: #6f7d76;
  --mint: #5ef2b5;
  --teal: #2dd4bf;
  --sky: #4aa8ff;
  --peach: #f6b38a;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --margin: clamp(16px, 4vw, 40px);
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 10px; }
::selection { background: rgba(94, 242, 181, 0.35); }

.wrap { width: min(1180px, 100% - 2 * var(--margin)); margin-inline: auto; }
.narrow { width: min(760px, 100% - 2 * var(--margin)); }

/* Demo bar */
.demo-bar { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 9px 16px; font-size: 13px; color: var(--muted); background: rgba(94, 242, 181, 0.07); border-bottom: 1px solid rgba(94, 242, 181, 0.15); text-align: center; position: relative; z-index: 30; }
.demo-bar b { color: var(--text); font-weight: 600; }
.demo-bar:hover { color: var(--text); }
.demo-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 10px var(--mint); flex: none; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 20; transition: background-color .3s, border-color .3s, backdrop-filter .3s; border-bottom: 1px solid transparent; }
.nav.scrolled { background: rgba(3, 6, 5, 0.7); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-color: var(--border); }
.nav-in { width: min(1180px, 100% - 2 * var(--margin)); margin-inline: auto; height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: 21px; letter-spacing: -0.02em; }
.logo svg { width: 26px; height: 26px; stroke: var(--mint); fill: rgba(94, 242, 181, 0.15); }
.logo span { color: var(--mint); margin-left: 2px; }
.links { display: flex; gap: 32px; font-size: 15px; color: #cfd8d3; }
.links a { transition: color .2s; }
.links a:hover { color: #fff; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; height: 48px; padding: 0 24px; border-radius: 999px; font-weight: 600; font-size: 15px; white-space: nowrap; transition: transform .16s var(--ease-out), box-shadow .3s, background-color .2s, border-color .2s; }
.btn:active { transform: scale(0.97); }
.btn svg { width: 18px; height: 18px; }
.btn-white { background: #fff; color: #050807; height: 44px; }
.btn-white:hover { background: #dffbef; }
.btn-glow { color: #fff; background: radial-gradient(120% 140% at 50% 120%, rgba(94, 242, 181, 0.55), rgba(16, 60, 45, 0.6) 55%, rgba(8, 24, 18, 0.9)); border: 1px solid rgba(94, 242, 181, 0.45); box-shadow: 0 0 0 1px rgba(94, 242, 181, 0.08) inset, 0 8px 30px -6px rgba(94, 242, 181, 0.45); }
.btn-glow:hover { box-shadow: 0 0 0 1px rgba(94, 242, 181, 0.15) inset, 0 10px 44px -4px rgba(94, 242, 181, 0.7); }
.btn-ghost { border: 1px solid var(--border-strong); background: var(--panel); color: var(--text); }
.btn-ghost:hover { border-color: rgba(94, 242, 181, 0.45); background: var(--panel-2); }

.pill { display: inline-block; padding: 6px 16px; border-radius: 999px; font-size: 14px; color: #b9f5da; border: 1px solid rgba(94, 242, 181, 0.25); background: linear-gradient(180deg, rgba(94, 242, 181, 0.1), rgba(94, 242, 181, 0.02)); }
.grad-text { background: linear-gradient(90deg, #fff 0%, var(--mint) 55%, var(--sky) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Hero */
.hero { position: relative; padding: clamp(56px, 10vh, 110px) var(--margin) 0; text-align: center; overflow: hidden; }
.grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 64px 64px; mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 80%); -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 80%); pointer-events: none; }
.stars { position: absolute; inset: 0; pointer-events: none; }
.stars i { position: absolute; width: 2px; height: 2px; border-radius: 50%; background: #fff; opacity: .25; animation: twinkle var(--d, 4s) ease-in-out infinite var(--delay, 0s); }
@keyframes twinkle { 50% { opacity: .9; } }

.hero-copy { position: relative; z-index: 2; max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 24px; }
.hero h1 { font-size: clamp(38px, 6.4vw, 76px); line-height: 1.05; letter-spacing: -0.045em; font-weight: 600; text-wrap: balance; }
.lead { max-width: 620px; font-size: clamp(16px, 1.6vw, 19px); color: #c3cdc8; text-wrap: pretty; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 8px; }
.hero-cta .btn { height: 54px; padding: 0 30px; font-size: 16px; }

/* Entrance stagger */
[data-in] { opacity: 0; transform: translateY(18px); filter: blur(8px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out), filter .9s var(--ease-out); transition-delay: calc(var(--i, 0) * 110ms); }
.ready [data-in] { opacity: 1; transform: none; filter: none; }

/* Horizon */
.stage { position: relative; margin-top: clamp(70px, 9vw, 120px); }
.horizon { position: absolute; left: 50%; top: -6px; width: max(1900px, 170vw); aspect-ratio: 1; transform: translateX(-50%); pointer-events: none; z-index: 1; }
.planet { position: absolute; inset: 0; border-radius: 50%; background: radial-gradient(circle at 50% 8%, #0b1411, #020403 30%); box-shadow: 0 -1px 0 rgba(190, 255, 225, 0.55), 0 -14px 50px rgba(94, 242, 181, 0.35), 0 -60px 160px rgba(45, 212, 191, 0.25); }
.horizon-glow { position: absolute; left: 50%; top: -400px; width: 1300px; height: 520px; transform: translateX(-50%); background:
    radial-gradient(ellipse 30% 45% at 50% 70%, rgba(170, 255, 150, 0.55), transparent 70%),
    radial-gradient(ellipse 50% 55% at 50% 72%, rgba(45, 212, 191, 0.45), transparent 70%),
    radial-gradient(ellipse 22% 40% at 8% 95%, rgba(74, 168, 255, 0.55), transparent 70%),
    radial-gradient(ellipse 22% 40% at 92% 95%, rgba(246, 179, 138, 0.45), transparent 70%);
  filter: blur(30px); opacity: 0; animation: rise 2.2s var(--ease-out) .35s forwards; }
@keyframes rise { from { opacity: 0; transform: translate(-50%, 60px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* App mockup */
.app { position: relative; z-index: 3; margin: 0 auto; width: min(1100px, 100%); display: grid; grid-template-columns: 210px 1fr; text-align: left; border-radius: 26px 26px 0 0; border: 1px solid var(--border-strong); border-bottom: 0; background: linear-gradient(180deg, rgba(14, 22, 19, 0.82), rgba(5, 9, 8, 0.96)); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: 0 -20px 80px -30px rgba(94, 242, 181, 0.4); font-size: 14px; overflow: hidden; }
.app::before { content: ""; position: absolute; top: -1px; left: 0; width: 220px; height: 1px; background: linear-gradient(90deg, transparent, var(--mint)); animation: scan 5s linear infinite; }
@keyframes scan { from { transform: translateX(-220px); } to { transform: translateX(1100px); } }
.app-side { padding: 24px 0 40px; border-right: 1px solid var(--border); }
.app-logo { display: flex; align-items: center; gap: 8px; font-weight: 600; padding: 0 22px; margin-bottom: 34px; }
.app-logo svg { width: 20px; height: 20px; stroke: var(--mint); }
.app-label { padding: 0 22px; font-size: 11px; letter-spacing: .12em; color: var(--faint); margin-bottom: 10px; }
.app-side li { display: flex; align-items: center; gap: 12px; padding: 11px 22px; color: var(--muted); position: relative; }
.app-side li i { width: 15px; height: 15px; border-radius: 4px; border: 1.6px solid currentColor; opacity: .7; }
.app-side li.on { color: #fff; background: linear-gradient(90deg, rgba(94, 242, 181, 0.12), transparent); }
.app-side li.on::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 3px; border-radius: 0 3px 3px 0; background: var(--mint); box-shadow: 0 0 12px var(--mint); }
.app-side li.on i { background: var(--mint); border-color: var(--mint); opacity: 1; }
.app-main { padding: 22px; display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.app-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.app-top b { display: block; font-size: 20px; font-weight: 600; letter-spacing: -0.02em; }
.app-top small { color: var(--faint); font-size: 12px; }
.live { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border-strong); color: #cfe; }
.live i { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 5px rgba(94, 242, 181, 0); opacity: .6; } 0%, 100% { box-shadow: 0 0 0 0 rgba(94, 242, 181, .5); } }
.app-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat, .chat, .chart { border: 1px solid var(--border); border-radius: 16px; background: rgba(255, 255, 255, 0.025); padding: 16px; }
.stat small { color: var(--muted); font-size: 12.5px; }
.stat b { display: block; font-size: clamp(24px, 3vw, 34px); font-weight: 500; letter-spacing: -0.03em; margin: 10px 0 6px; font-variant-numeric: tabular-nums; }
.stat em { font-style: normal; font-size: 12px; color: var(--mint); }
.app-row { display: grid; grid-template-columns: 1.3fr 1fr; gap: 12px; }
.chat-title { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.msg { max-width: 88%; padding: 10px 14px; border-radius: 14px; font-size: 13.5px; line-height: 1.45; margin-bottom: 8px; }
.msg.user { margin-left: auto; background: rgba(255, 255, 255, 0.07); border-bottom-right-radius: 4px; }
.msg.bot { background: rgba(94, 242, 181, 0.1); border: 1px solid rgba(94, 242, 181, 0.2); border-bottom-left-radius: 4px; min-height: 64px; }
.caret { display: inline-block; width: 2px; height: 1em; background: var(--mint); vertical-align: -2px; margin-left: 2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.bars { height: 110px; display: flex; align-items: flex-end; gap: 8px; }
.bars span { flex: 1; height: var(--h); border-radius: 6px 6px 2px 2px; background: linear-gradient(180deg, var(--mint), rgba(45, 212, 191, 0.15)); transform-origin: bottom; transform: scaleY(0); transition: transform 1s var(--ease-out); }
.bars span:nth-child(n) { transition-delay: calc(var(--n, 0) * 70ms + 900ms); }
.ready .bars span { transform: scaleY(1); }
.days { display: flex; gap: 8px; margin-top: 8px; }
.days span { flex: 1; text-align: center; font-size: 11px; color: var(--faint); }

/* Numbers */
.numbers { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); position: relative; z-index: 3; background: var(--bg); }
.numbers div { padding: 34px 20px; display: flex; flex-direction: column; gap: 6px; }
.numbers div + div { border-left: 1px solid var(--border); }
.numbers b { font-size: clamp(28px, 3.4vw, 40px); font-weight: 600; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.numbers span { color: var(--muted); font-size: 15px; }

/* Sections */
.section { padding: clamp(80px, 11vw, 130px) 0 0; }
.head { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 16px; margin-bottom: 48px; }
.head h2, .cta h2 { font-size: clamp(30px, 4.4vw, 50px); letter-spacing: -0.035em; line-height: 1.1; font-weight: 600; text-wrap: balance; }
.sub { color: var(--muted); max-width: 520px; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card, .price, .quote { position: relative; border: 1px solid var(--border); border-radius: 22px; background: var(--panel); padding: 28px; overflow: hidden; transition: border-color .3s, transform .3s var(--ease-out); }
.card::after, .price::after, .quote::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s; background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(94, 242, 181, 0.1), transparent 60%); }
.card:hover::after, .price:hover::after, .quote:hover::after { opacity: 1; }
.card:hover, .price:hover, .quote:hover { border-color: rgba(94, 242, 181, 0.3); }
.ico { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; color: var(--mint); background: rgba(94, 242, 181, 0.08); border: 1px solid rgba(94, 242, 181, 0.2); margin-bottom: 22px; }
.ico svg { width: 22px; height: 22px; }
.card h3 { font-size: 19px; font-weight: 600; margin-bottom: 8px; letter-spacing: -0.01em; }
.card p { color: var(--muted); font-size: 15px; }

.prices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.price { display: flex; flex-direction: column; gap: 14px; }
.price h3 { font-size: 18px; font-weight: 600; color: #cfe; }
.amount { color: var(--muted); font-size: 15px; }
.amount b { font-size: 38px; color: var(--text); font-weight: 600; letter-spacing: -0.03em; margin-right: 4px; }
.desc { color: var(--muted); font-size: 15px; }
.price ul { display: flex; flex-direction: column; gap: 10px; padding: 18px 0 8px; border-top: 1px solid var(--border); flex: 1; }
.price li { display: flex; gap: 10px; font-size: 15px; }
.price li::before { content: ""; flex: none; width: 18px; height: 18px; margin-top: 3px; border-radius: 50%; background: rgba(94, 242, 181, 0.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235ef2b5' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center / 11px no-repeat; }
.price .btn { width: 100%; }
.price.featured { border-color: rgba(94, 242, 181, 0.4); background: linear-gradient(180deg, rgba(94, 242, 181, 0.09), rgba(255, 255, 255, 0.02) 60%); box-shadow: 0 20px 60px -30px rgba(94, 242, 181, 0.5); }
.tag { position: absolute; top: 24px; right: 24px; font-size: 12px; font-weight: 600; color: #04140d; background: var(--mint); padding: 4px 10px; border-radius: 999px; }

.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.quote { display: flex; flex-direction: column; justify-content: space-between; gap: 28px; }
.quote blockquote { font-size: 17px; line-height: 1.6; color: #dfe7e3; }
.quote figcaption { display: grid; grid-template-columns: 40px 1fr; column-gap: 12px; align-items: center; }
.av { grid-row: span 2; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-weight: 600; color: #04140d; background: linear-gradient(135deg, var(--mint), var(--sky)); }
.quote figcaption b { font-size: 15px; font-weight: 600; }
.quote figcaption small { color: var(--faint); font-size: 13px; }

.faq { display: flex; flex-direction: column; gap: 10px; }
.faq details { border: 1px solid var(--border); border-radius: 16px; background: var(--panel); padding: 0 22px; transition: border-color .3s; }
.faq details[open] { border-color: rgba(94, 242, 181, 0.3); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 0; font-weight: 500; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--mint); font-size: 22px; line-height: 1; transition: transform .3s var(--ease-out); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding-bottom: 20px; }

.cta { position: relative; margin-top: clamp(80px, 11vw, 130px); padding: clamp(56px, 8vw, 90px) 24px; text-align: center; border: 1px solid var(--border-strong); border-radius: 30px; overflow: hidden; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.cta > * { position: relative; }
.cta p { color: var(--muted); max-width: 460px; }
.cta .btn { height: 54px; padding: 0 30px; font-size: 16px; margin-top: 8px; }
.cta-glow { position: absolute; inset: 0; background: radial-gradient(ellipse 60% 70% at 50% 120%, rgba(94, 242, 181, 0.35), transparent 70%), radial-gradient(ellipse 30% 50% at 0% 100%, rgba(74, 168, 255, 0.25), transparent 70%), radial-gradient(ellipse 30% 50% at 100% 100%, rgba(246, 179, 138, 0.2), transparent 70%); }

.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 40px 0 48px; color: var(--faint); font-size: 14px; }
.foot a:hover { color: var(--text); }
.foot b { color: var(--muted); font-weight: 600; }

/* Phone floating order button */
.tg-float { display: none; }

/* Scroll reveal */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); transition-delay: calc(var(--i, 0) * 80ms); }
[data-reveal].shown { opacity: 1; transform: none; }

@media (max-width: 1000px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .prices, .quotes { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
  .numbers { grid-template-columns: repeat(2, 1fr); }
  .numbers div:nth-child(3) { border-left: 0; }
  .numbers div:nth-child(n+3) { border-top: 1px solid var(--border); }
}
@media (max-width: 760px) {
  .links { display: none; }
  .app { grid-template-columns: 1fr; }
  .app-side { display: none; }
  .app-row { grid-template-columns: 1fr; }
  .app-stats { gap: 8px; }
  .stat { padding: 12px; }
  .stat b { font-size: 20px; }
  .stat em { display: none; }
  .cards { grid-template-columns: 1fr; }
  .numbers div { padding: 24px 14px; }
  .demo-bar { font-size: 12px; }
  .tg-float { display: inline-flex; align-items: center; gap: 8px; position: fixed; left: 16px; right: 16px; bottom: calc(14px + env(safe-area-inset-bottom)); z-index: 25; justify-content: center; height: 52px; border-radius: 999px; font-weight: 600; color: #04140d; background: var(--mint); box-shadow: 0 10px 30px -6px rgba(94, 242, 181, 0.6); transform: translateY(140%); transition: transform .45s var(--ease-out); }
  .tg-float svg { width: 18px; height: 18px; }
  .tg-float.show { transform: none; }
  .foot { padding-bottom: 96px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  [data-in], [data-reveal] { opacity: 1; transform: none; filter: none; }
  .horizon-glow { opacity: 1; }
  .bars span { transform: none; }
}