/* Landing page. Reference: the Aster DEX start page — black canvas, one warm
   glow, very large type, a product window, generous spacing, quiet motion. */
body.landing { overflow-x: hidden; }
main.lp { max-width: none; padding: 0; display: block; }
.landing .guest-only, .landing .guest-only-block { display: contents; }
.landing .user-only, .landing .user-only-block { display: none; }
.landing.signed-in .guest-only, .landing.signed-in .guest-only-block { display: none; }
.landing.signed-in .user-only { display: contents; }
.landing.signed-in .user-only-block { display: block; text-align: center; }

.lp-glow {
  position: fixed; inset: -20vh -10vw auto; height: 90vh; z-index: -1; pointer-events: none;
  background:
    radial-gradient(40% 50% at 50% 0%, color-mix(in srgb, var(--brand) 22%, transparent), transparent 70%),
    radial-gradient(30% 35% at 80% 10%, color-mix(in srgb, var(--brand) 10%, transparent), transparent 70%);
  filter: blur(10px);
}
@media (prefers-reduced-motion: no-preference) {
  .lp-glow { animation: glow 14s ease-in-out infinite alternate; }
  @keyframes glow { from { transform: translateY(0) scale(1); opacity: 0.9; } to { transform: translateY(4vh) scale(1.06); opacity: 1; } }
}

/* Nav */
.lp-nav { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 28px; padding: 18px clamp(16px, 4vw, 56px); transition: background-color var(--t3) var(--ease), border-color var(--t3) var(--ease), backdrop-filter var(--t3) var(--ease); border-bottom: 1px solid transparent; }
.lp-nav.scrolled { background: color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter: blur(14px); border-bottom-color: var(--line); }
.lp-logo { font-weight: 800; font-size: 20px; letter-spacing: 0.02em; color: var(--text); text-decoration: none; }
.lp-links { display: flex; gap: 22px; }
.lp-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.lp-links a:hover { color: var(--text); }
.lp-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.lp-lang button { padding: 4px 10px; font-size: 13px; }
.lp-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--line); border-radius: 999px; padding: 9px 18px; font-weight: 600; font-size: 14px; color: var(--text); text-decoration: none; background: transparent; cursor: pointer; transition: background-color var(--t2) var(--ease), border-color var(--t2) var(--ease), transform var(--t2) var(--ease), box-shadow var(--t3) var(--ease); }
.lp-btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.lp-btn.primary:hover { box-shadow: 0 8px 30px -8px color-mix(in srgb, var(--brand) 55%, transparent); transform: translateY(-1px); }
.lp-btn.ghost:hover { border-color: var(--line-strong); background: var(--hover); }
.lp-btn.big { padding: 13px 26px; font-size: 15px; }

/* Hero */
.hero { text-align: center; padding: clamp(56px, 10vh, 120px) 20px 40px; max-width: 1100px; margin: 0 auto; }
.eyebrow { display: flex; width: fit-content; margin-inline: auto; align-items: center; gap: 8px; margin: 0 auto 18px; font-size: 13px; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; background: color-mix(in srgb, var(--surface) 70%, transparent); }
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 10px var(--brand); }
.hero h1 { font-size: clamp(38px, 6vw, 78px); max-width: 1000px; margin-inline: auto; line-height: 1.02; letter-spacing: -0.035em; font-weight: 800; margin: 0; }
.grad { background: linear-gradient(100deg, var(--text) 10%, var(--brand) 55%, var(--text) 95%); background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; }
@media (prefers-reduced-motion: no-preference) { .grad { animation: sheen 9s ease-in-out infinite; } @keyframes sheen { 0%, 100% { background-position: 0% 0; } 50% { background-position: 100% 0; } } }
.hero-sub { max-width: 680px; margin: 24px auto 0; font-size: clamp(16px, 1.6vw, 19px); color: var(--muted); line-height: 1.6; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 56px auto 0; max-width: 900px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: color-mix(in srgb, var(--surface) 80%, transparent); overflow: hidden; }
.hero-stats div { padding: 18px 16px; border-left: 1px solid var(--line); text-align: left; }
.hero-stats div:first-child { border-left: 0; }
.hero-stats dt { font-size: 12px; color: var(--muted); }
.hero-stats dd { margin: 4px 0 0; font-size: 24px; font-weight: 700; letter-spacing: -0.01em; }

/* Product window */
.preview { padding: 30px clamp(16px, 4vw, 56px) 40px; perspective: 1600px; }
.window { --tilt: 0deg; --lift: 0px; max-width: 1180px; margin: 0 auto; border: 1px solid var(--line); border-radius: 18px; background: var(--bg); overflow: hidden; transform: rotateX(var(--tilt)) translateY(var(--lift)); transform-origin: 50% 0; transition: transform 120ms linear; box-shadow: 0 40px 120px -40px color-mix(in srgb, var(--brand) 35%, transparent), 0 0 0 1px color-mix(in srgb, var(--text) 3%, transparent); }
.window-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--surface); }
.window-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.window-bar b { margin-left: 10px; font-size: 12px; font-weight: 500; color: var(--muted); }
.mock { display: grid; grid-template-columns: 190px 1fr; min-height: 520px; font-size: 13px; text-align: left; }
.mock-side { border-right: 1px solid var(--line); padding: 18px 14px; display: flex; flex-direction: column; gap: 8px; }
.mock-pill { display: inline-flex; width: fit-content; border: 1px solid var(--line); border-radius: 999px; padding: 2px; margin-bottom: 8px; }
.mock-pill i { font-style: normal; font-size: 11px; font-weight: 600; padding: 2px 9px; border-radius: 999px; color: var(--muted); }
.mock-pill i.on { background: var(--accent); color: var(--on-accent); }
.mock-nav { padding: 7px 10px; border-radius: 8px; color: var(--muted); }
.mock-nav.on { background: var(--raised); color: var(--text); font-weight: 600; box-shadow: inset 2px 0 0 var(--brand); }
.mock-sub { padding-left: 18px; color: var(--muted); font-size: 12px; }
.mock-main { padding: 18px; display: grid; gap: 12px; align-content: start; }
.mock-row { display: grid; grid-template-columns: 1.4fr 1fr; gap: 12px; }
.mock-card { border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; background: var(--surface); display: grid; gap: 6px; }
.mock-card small { color: var(--muted); }
.mock-hero strong { font-size: 44px; letter-spacing: -0.02em; line-height: 1.1; }
.mock-stats { grid-template-columns: 1fr 1fr; }
.mock-stats b { display: block; font-size: 17px; }
.mock-title { font-weight: 600; color: var(--text) !important; font-size: 13px; }
.mock-bars { display: grid; gap: 8px; }
.mock-bars div { display: grid; grid-template-columns: 150px 1fr 80px; align-items: center; gap: 12px; }
.mock-bars i { height: 8px; border-radius: 4px; background: var(--track); position: relative; overflow: hidden; }
.mock-bars i::after { content: ''; position: absolute; inset: 0 auto 0 0; width: var(--w); border-radius: 4px; background: var(--profit); }
.mock-bars i.neg::after { background: var(--loss); }
.mock-bars b { text-align: right; }
.reveal.in .mock-bars i::after, .preview.in .mock-bars i::after { animation: grow 1.1s var(--ease) both; }
@keyframes grow { from { width: 0; } }
.mock-table { width: 100%; border-collapse: collapse; }
.mock-table td { padding: 7px 6px; border-top: 1px solid var(--divider); white-space: nowrap; }
.mock-table em { font-style: normal; color: var(--muted); font-size: 11px; }

/* Sections */
.lp-section { max-width: 1180px; margin: 0 auto; padding: clamp(64px, 10vh, 110px) clamp(16px, 4vw, 56px) 0; text-align: center; }
.lp-section .eyebrow { margin: 0 auto 16px; }
.lp-section h2 { font-size: clamp(30px, 4.2vw, 52px); letter-spacing: -0.03em; line-height: 1.08; margin: 0 auto; max-width: 820px; font-weight: 800; }
.lp-lead { max-width: 640px; margin: 16px auto 0; color: var(--muted); font-size: 17px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 44px; text-align: left; }
.feature { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; background: var(--surface); transition: border-color var(--t3) var(--ease), transform var(--t3) var(--ease), background-color var(--t3) var(--ease); }
.feature:hover { border-color: var(--line-strong); transform: translateY(-3px); background: color-mix(in srgb, var(--surface) 90%, var(--brand) 4%); }
.feature .ic { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); color: var(--brand); font-size: 18px; margin-bottom: 14px; }
.feature h3 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.steps { list-style: none; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; text-align: left; counter-reset: none; }
.steps li { border-top: 1px solid var(--line); padding: 22px 4px 0; }
.steps b { font-size: 13px; color: var(--brand); letter-spacing: 0.08em; }
.steps h3 { margin: 10px 0 6px; font-size: 18px; }
.steps p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.spread-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 36px; text-align: left; }
.spread-card { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 18px; background: var(--surface); display: grid; gap: 6px; transition: border-color var(--t3) var(--ease); }
.spread-card:hover { border-color: var(--line-strong); }
.spread-card header { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.spread-card header b { font-size: 16px; }
.spread-card strong { font-size: 30px; letter-spacing: -0.02em; }
.spread-card p { margin: 0; font-size: 13px; color: var(--muted); }
.lp-plans { margin-top: 40px; text-align: left; }
.lp-plans .plan { background: var(--surface); }
.lp-plans .plan-cta { display: block; text-align: center; border-radius: var(--radius-sm); }
.faq { max-width: 760px; margin: 36px auto 0; text-align: left; display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 0 20px; background: var(--surface); transition: border-color var(--t2) var(--ease); }
.faq details[open] { border-color: var(--line-strong); }
.faq summary { cursor: pointer; padding: 18px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--muted); font-weight: 400; font-size: 20px; line-height: 1; transition: transform var(--t3) var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 0 0 18px; color: var(--muted); line-height: 1.6; }
.lp-final { max-width: 1180px; margin: clamp(64px, 10vh, 110px) auto 0; padding: 64px 24px; text-align: center; border: 1px solid var(--line); border-radius: 24px; background: radial-gradient(60% 120% at 50% 0%, color-mix(in srgb, var(--brand) 14%, transparent), transparent 70%), var(--surface); }
.lp-final h2 { font-size: clamp(28px, 4vw, 46px); letter-spacing: -0.03em; margin: 0; }
.lp-final p { color: var(--muted); margin: 12px 0 26px; }
.lp-foot { max-width: 1180px; margin: 0 auto; padding: 40px clamp(16px, 4vw, 56px); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); transition-delay: var(--d, 0ms); }
.reveal.in { opacity: 1; transform: none; }

/* Auth */
dialog.auth-dialog { width: min(440px, 94vw); padding: 28px; }
.auth-close { position: absolute; top: 12px; right: 12px; margin: 0; }
.auth-close button { border: 0; color: var(--muted); font-size: 18px; padding: 4px 8px; }
.auth-tabs { margin-bottom: 18px; }
.auth-dialog h2 { font-size: 24px; margin: 0 0 4px; letter-spacing: -0.01em; }
.auth-form { display: grid; gap: 12px; margin-top: 18px; }
.auth-form label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.auth-form input { padding: 11px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); }
.auth-form .lp-btn { width: 100%; margin-top: 4px; }

@media (max-width: 960px) {
  .lp-links { display: none; }
  .features, .spread-grid { grid-template-columns: 1fr 1fr; }
  .mock { grid-template-columns: 1fr; }
  .mock-side { display: none; }
}
@media (max-width: 640px) {
  .lp-nav { gap: 10px; }
  .lp-logo { font-size: 17px; }
  .lp-actions .lp-btn { white-space: nowrap; padding: 8px 14px; font-size: 13px; }
  .lp-lang button { padding: 4px 8px; }
  .lp-actions .ghost { display: none; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-stats div:nth-child(3) { border-left: 0; }
  .hero-stats div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .features, .spread-grid, .steps { grid-template-columns: 1fr; }
  .mock-row { grid-template-columns: 1fr; }
  .mock-bars div { grid-template-columns: 110px 1fr 64px; }
  .mock-table td:nth-child(4) { display: none; }
}

/* Guest vs signed-in buttons: these win over component display rules. */
.landing:not(.signed-in) .user-only, .landing:not(.signed-in) .user-only-block { display: none !important; }
.landing.signed-in .guest-only, .landing.signed-in .guest-only-block { display: none !important; }
.lp-section, .preview { scroll-margin-top: 72px; }
.lp-foot a { color: inherit; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line-strong); }