/* Public pages: landing, sign-in/up, legal. Same tokens as the app. */
:root {
  color-scheme: dark;
  --bg: #131315; --surface: #19191c; --surface-2: #202024; --surface-3: #28282d; --surface-4: #313137;
  --border: #2c2c32; --border-strong: #3b3b43;
  --text: #ececef; --text-2: #b3b3bc; --text-3: #7c7c87;
  --accent: #ff7a45; --accent-hi: #ff935f; --accent-ink: #1a0f0a; --accent-soft: rgba(255, 122, 69, 0.13); --accent-line: rgba(255, 122, 69, 0.35);
  --green: #4ade80; --red: #f87171; --red-soft: rgba(248, 113, 113, 0.12); --blue: #60a5fa; --violet: #a78bfa; --amber: #fbbf24;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent-hi); text-decoration: none; }
a:hover { text-decoration: underline; }
svg.i { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border-radius: 12px; border: 1px solid var(--border-strong); background: var(--surface-2); color: var(--text); font: inherit; font-weight: 600; font-size: 15px; cursor: pointer; text-decoration: none !important; transition: background 0.12s, transform 0.12s; }
.btn:hover { background: var(--surface-3); }
.btn.primary { background: linear-gradient(135deg, var(--accent), #ff5f2e); border-color: transparent; color: var(--accent-ink); box-shadow: 0 8px 26px rgba(255, 106, 51, 0.25); }
.btn.primary:hover { transform: translateY(-1px); }
.btn.ghost { background: none; border-color: transparent; color: var(--text-2); }
.btn.ghost:hover { color: var(--text); background: var(--surface-2); }
.btn:disabled { opacity: 0.6; cursor: default; transform: none; }
.btn.block { width: 100%; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(19, 19, 21, 0.82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav .wrap { display: flex; align-items: center; gap: 16px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 750; font-size: 20px; letter-spacing: -0.02em; text-decoration: none !important; }
.brand .mark { width: 34px; height: 34px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }
.brand .mark svg { width: 22px; height: 22px; }
.nav .links { display: flex; gap: 22px; margin-left: 24px; }
.nav .links a { color: var(--text-2); font-size: 15px; }
.nav .links a:hover { color: var(--text); text-decoration: none; }
.nav .spacer { flex: 1; }

/* Landing */
.hero { padding: 88px 0 40px; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: -40% -10% auto; height: 700px; background: radial-gradient(closest-side, rgba(255, 122, 69, 0.18), transparent 70%); pointer-events: none; }
.kicker { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-hi); border: 1px solid var(--accent-line); font-size: 13.5px; font-weight: 600; }
.hero h1 { font-size: clamp(38px, 6.4vw, 72px); line-height: 1.04; letter-spacing: -0.035em; margin: 22px auto 18px; max-width: 900px; position: relative; }
.hero h1 em { font-style: normal; background: linear-gradient(135deg, var(--accent-hi), #ff5f2e); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(17px, 2vw, 20px); color: var(--text-2); max-width: 680px; margin: 0 auto 30px; position: relative; }
.hero .ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; position: relative; }
.hero .fine { color: var(--text-3); font-size: 13.5px; margin-top: 14px; position: relative; }
.shot { margin: 56px auto 0; max-width: 1080px; border-radius: 18px; border: 1px solid var(--border-strong); overflow: hidden; box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.03); position: relative; background: var(--surface); }
.shot img { display: block; width: 100%; height: auto; }

section.block { padding: 96px 0; }
section.block.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .eyebrow { color: var(--accent-hi); font-weight: 700; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; }
.section-head h2 { font-size: clamp(30px, 4vw, 44px); line-height: 1.12; letter-spacing: -0.025em; margin: 10px 0 14px; }
.section-head p { color: var(--text-2); font-size: 18px; margin: 0; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--surface-2); border: 1px solid var(--border); border-radius: 18px; padding: 26px; }
.card .ic { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-hi); margin-bottom: 16px; }
.card h3 { margin: 0 0 8px; font-size: 20px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--text-2); font-size: 15.5px; }
.card .tag { font-size: 11.5px; font-weight: 800; letter-spacing: 0.12em; margin-bottom: 6px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split + .split { margin-top: 96px; }
.split h3 { font-size: clamp(26px, 3vw, 34px); line-height: 1.15; letter-spacing: -0.02em; margin: 8px 0 14px; }
.split p { color: var(--text-2); font-size: 17px; margin: 0 0 14px; }
.split ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.split li { display: flex; gap: 10px; color: var(--text-2); }
.split li svg { color: var(--green); margin-top: 3px; }
.visual { background: var(--surface-2); border: 1px solid var(--border); border-radius: 18px; padding: 22px; }
.quad { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; aspect-ratio: 1.35; }
.quad div { border-radius: 12px; padding: 14px; font-weight: 700; font-size: 13px; letter-spacing: 0.08em; position: relative; }
.quad .q1 { background: rgba(96, 165, 250, 0.1); color: var(--blue); }
.quad .q2 { background: rgba(167, 139, 250, 0.1); color: var(--violet); }
.quad .q3 { background: rgba(161, 161, 170, 0.08); color: #a1a1aa; }
.quad .q4 { background: rgba(251, 191, 36, 0.1); color: var(--amber); }
.quad span { position: absolute; width: 12px; height: 12px; border-radius: 50%; background: currentColor; opacity: 0.85; }
.chat-demo { display: grid; gap: 12px; }
.bubble { padding: 12px 15px; border-radius: 14px; font-size: 15px; line-height: 1.5; max-width: 90%; }
.bubble.user { background: var(--surface-3); justify-self: end; border-radius: 14px 14px 4px 14px; }
.bubble.mark { background: var(--surface); border: 1px solid var(--border); }
.bubble.mark b { color: var(--accent-hi); }
.upnext { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 14px; background: linear-gradient(135deg, var(--accent), #ff5f2e); color: var(--accent-ink); font-weight: 700; }
.upnext small { display: block; font-size: 10.5px; letter-spacing: 0.14em; opacity: 0.7; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.steps .card::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--surface-4); color: var(--accent-hi); font-weight: 800; margin-bottom: 14px; }
.cta-band { text-align: center; padding: 88px 24px; }
.cta-band h2 { font-size: clamp(30px, 4vw, 46px); letter-spacing: -0.025em; margin: 0 0 14px; }
.cta-band p { color: var(--text-2); font-size: 18px; margin: 0 0 28px; }
footer.site { border-top: 1px solid var(--border); padding: 30px 0 40px; color: var(--text-3); font-size: 14px; }
footer.site .wrap { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
footer.site a { color: var(--text-2); }
footer.site .spacer { flex: 1; }

/* Auth */
.auth-page { min-height: 100vh; display: flex; flex-direction: column; }
.auth-main { flex: 1; display: grid; place-items: center; padding: 40px 16px; }
.auth-card { width: 100%; max-width: 420px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 20px; padding: 32px; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35); }
.auth-card h1 { font-size: 24px; margin: 0 0 6px; letter-spacing: -0.02em; }
.auth-card .sub { color: var(--text-2); margin: 0 0 24px; font-size: 15px; }
.field { display: grid; gap: 6px; margin-bottom: 14px; font-size: 13.5px; font-weight: 600; color: var(--text-2); }
.field .row { display: flex; justify-content: space-between; align-items: baseline; }
.field .row a { font-weight: 500; font-size: 13px; }
.input { width: 100%; padding: 11px 13px; border-radius: 11px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); font: inherit; font-size: 15px; outline: none; }
.input:focus { border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }
.hint { font-weight: 400; color: var(--text-3); font-size: 12.5px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--text-2); margin: 4px 0 18px; font-weight: 400; }
.check input { margin-top: 4px; accent-color: var(--accent); }
.alt-link { text-align: center; margin-top: 18px; color: var(--text-2); font-size: 14.5px; }
.msg { padding: 12px 14px; border-radius: 12px; font-size: 14.5px; margin-bottom: 16px; }
.msg.error { background: var(--red-soft); color: #fecaca; border: 1px solid rgba(248, 113, 113, 0.35); }
.msg.ok { background: rgba(74, 222, 128, 0.1); color: #bbf7d0; border: 1px solid rgba(74, 222, 128, 0.3); }
.msg.info { background: var(--accent-soft); color: var(--text); border: 1px solid var(--accent-line); }
.big-icon { width: 58px; height: 58px; border-radius: 18px; background: var(--accent-soft); color: var(--accent-hi); display: grid; place-items: center; margin-bottom: 18px; }
.big-icon svg { width: 28px; height: 28px; }
.meter { height: 5px; border-radius: 5px; background: var(--surface-4); overflow: hidden; margin-top: 6px; }
.meter i { display: block; height: 100%; width: 0; transition: width 0.2s, background 0.2s; }
.spin { display: inline-block; width: 16px; height: 16px; border: 2px solid rgba(0, 0, 0, 0.25); border-top-color: currentColor; border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Legal */
.legal { max-width: 760px; margin: 0 auto; padding: 56px 24px 80px; }
.legal h1 { font-size: 38px; letter-spacing: -0.02em; margin: 0 0 6px; }
.legal .updated { color: var(--text-3); margin-bottom: 30px; }
.legal h2 { font-size: 21px; margin: 34px 0 10px; }
.legal p, .legal li { color: var(--text-2); }
.legal li { margin: 6px 0; }

@media (max-width: 860px) {
  .cards, .steps { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .split.reverse .visual { order: 2; }
  .nav .links { display: none; }
  section.block { padding: 64px 0; }
  .hero { padding-top: 56px; }
}
@media (max-width: 480px) {
  .auth-card { padding: 24px 20px; }
  .nav .btn.ghost { display: none; }
}

/* ---------- Landing: the good stuff */
.landing .wrap.narrow { max-width: 820px; }
.btn.lg { padding: 14px 24px; font-size: 16px; border-radius: 14px; }
.btn svg.i { width: 18px; height: 18px; }
.muted { color: var(--text-3); }
.notice { background: rgba(74, 222, 128, 0.1); color: #bbf7d0; text-align: center; padding: 10px 16px; font-size: 14.5px; border-bottom: 1px solid rgba(74, 222, 128, 0.25); }
.kicker .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.18); }
.hero { padding-bottom: 0; }
.hero::after { content: ''; position: absolute; left: 50%; top: 520px; width: 1400px; height: 900px; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(255, 122, 69, 0.12), transparent); pointer-events: none; z-index: -1; }
.hero h1 b, .hero p.lead b { color: var(--text); }
.stage { position: relative; margin: 64px auto 0; max-width: 1100px; perspective: 2000px; }
.browser { border-radius: 16px; border: 1px solid var(--border-strong); overflow: hidden; background: var(--surface); box-shadow: 0 50px 140px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.04), 0 0 120px rgba(255, 122, 69, 0.08); transform-origin: center top; transition: transform 0.8s cubic-bezier(.2,.7,.2,1); }
.anim .stage:not(.in) .browser { transform: rotateX(8deg) scale(0.98); }
.browser .bar { display: flex; align-items: center; gap: 7px; height: 38px; padding: 0 14px; background: #1b1b1f; border-bottom: 1px solid var(--border); }
.browser .bar i { width: 11px; height: 11px; border-radius: 50%; background: #3a3a42; }
.browser .bar i:nth-child(1) { background: #ff5f57; } .browser .bar i:nth-child(2) { background: #febc2e; } .browser .bar i:nth-child(3) { background: #28c840; }
.browser .bar span { margin: 0 auto; font-size: 12.5px; color: var(--text-3); background: var(--surface-2); padding: 3px 40px; border-radius: 7px; }
.browser img { display: block; width: 100%; height: auto; }
.float { position: absolute; display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 14px; background: rgba(32, 32, 36, 0.92); backdrop-filter: blur(10px); border: 1px solid var(--border-strong); box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5); text-align: left; animation: bob 6s ease-in-out infinite; }
.float small { display: block; color: var(--text-3); font-size: 12px; }
.float b { font-size: 15px; }
.float .up { color: var(--green); font-size: 13px; }
.float .fi { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-hi); }
.float .fi.green { background: rgba(74, 222, 128, 0.12); color: var(--green); }
.float .fi.violet { background: rgba(167, 139, 250, 0.13); color: var(--violet); }
.float.f1 { left: -46px; top: 22%; }
.float.f2 { right: -40px; top: 48%; animation-delay: -2s; }
.float.f3 { left: 6%; bottom: 36px; animation-delay: -4s; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.strip { padding: 72px 0 8px; }
.strip .wrap { display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: center; align-items: center; color: var(--text-3); font-size: 15px; }
.strip span { text-transform: uppercase; letter-spacing: 0.14em; font-size: 12px; font-weight: 700; }
.strip b { color: var(--text-2); font-weight: 600; }
.eyebrow { color: var(--accent-hi); font-weight: 700; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; }
.card.hover { transition: transform 0.2s, border-color 0.2s; }
.card.hover:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.card .ic.blue { background: rgba(96, 165, 250, 0.12); color: var(--blue); }
.card .ic.green { background: rgba(74, 222, 128, 0.12); color: var(--green); }
.card .ic.violet { background: rgba(167, 139, 250, 0.13); color: var(--violet); }
.showcase .split { grid-template-columns: 5fr 7fr; }
.showcase .split.reverse { grid-template-columns: 7fr 5fr; }
.shotframe { border-radius: 16px; overflow: hidden; border: 1px solid var(--border-strong); box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.03); background: var(--surface); }
.shotframe img { display: block; width: 100%; height: auto; }
.shotframe.wide { max-width: 980px; margin-left: auto; margin-right: auto; }
.split li b { color: var(--text); }
.chat-demo { padding: 26px; display: grid; gap: 14px; }
.bubble.mark { display: flex; gap: 12px; }
.bubble.mark .who { width: 30px; height: 30px; border-radius: 9px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; flex: none; }
.upnext { justify-content: space-between; }
.upnext > span:nth-child(2) { flex: 1; }
.upnext .ui { width: 32px; height: 32px; border-radius: 50%; background: rgba(0, 0, 0, 0.14); display: grid; place-items: center; }
.sugs { display: flex; gap: 18px; color: var(--text-3); font-size: 14px; padding-left: 4px; }
.mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mini-grid .card { padding: 20px; }
.mini-grid h4 { margin: 0 0 4px; font-size: 16px; }
.mini-grid p { font-size: 14px; }
.faq { display: grid; gap: 10px; }
.faq details { background: var(--surface-2); border: 1px solid var(--border); border-radius: 14px; padding: 4px 20px; transition: border-color 0.15s; }
.faq details[open] { border-color: var(--border-strong); }
.faq summary { cursor: pointer; list-style: none; padding: 16px 0; font-weight: 650; font-size: 17px; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--accent-hi); font-size: 22px; line-height: 1; transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 0 0 18px; color: var(--text-2); }
.cta-band { position: relative; overflow: hidden; }
.cta-band::before { content: ''; position: absolute; inset: 0; background: radial-gradient(closest-side, rgba(255, 122, 69, 0.16), transparent 75%); pointer-events: none; }
.cta-band h2 em, .cta-band em { font-style: normal; background: linear-gradient(135deg, var(--accent-hi), #ff5f2e); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cta-band > * { position: relative; }
.brand .mark.sm { width: 28px; height: 28px; }
/* Visible by default; landing.js adds .anim only when it can reveal on scroll. */
.anim .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.2,.7,.2,1); }
.anim .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal, .browser, .float { opacity: 1 !important; transform: none !important; animation: none !important; transition: none !important; }
}
@media (max-width: 1180px) { .float.f1 { left: 12px; } .float.f2 { right: 12px; } }
@media (max-width: 860px) {
  .showcase .split, .showcase .split.reverse { grid-template-columns: 1fr; }
  .float { display: none; }
  .stage { margin-top: 40px; }
  .mini-grid { grid-template-columns: 1fr 1fr; }
}