/* SessionHub marketing site — screenshot-led, clean-room redesign */

:root {
  --bg: #070b12;
  --bg-2: #0c121c;
  --ink: #eef3f8;
  --muted: #8b9aab;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #2aabee;
  --accent-2: #1f8fc7;
  --accent-soft: rgba(42, 171, 238, 0.14);
  --surface: #121a26;
  --surface-2: #182232;
  --ok: #3dd68c;
  --radius: 18px;
  --wrap: 1120px;
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --shadow: 0 40px 100px rgba(0, 0, 0, 0.55);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 70% -10%, rgba(42, 171, 238, 0.16), transparent 55%),
    radial-gradient(900px 500px at 10% 20%, rgba(61, 214, 140, 0.06), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 40%, var(--bg) 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #7fd0f5; }
code {
  font-size: 0.9em;
  padding: 0.1em 0.35em;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #041018;
  padding: 8px 12px;
  z-index: 100;
}
.skip:focus { left: 8px; }

.wrap {
  width: min(100% - 40px, var(--wrap));
  margin-inline: auto;
}
.wrap.narrow { width: min(100% - 40px, 720px); }

/* —— Top bar —— */
.top {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 28px;
  backdrop-filter: blur(16px);
  background: rgba(7, 11, 18, 0.72);
  border-bottom: 1px solid var(--line);
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
}
.logo span { color: var(--accent); }
.logo.small { font-size: 1.1rem; }

.nav {
  display: flex;
  gap: 22px;
  margin-left: 12px;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.nav a:hover { color: var(--ink); }

.top-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}
.link-quiet {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.92rem;
}
.link-quiet:hover { color: var(--ink); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: transparent;
  padding: 12px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
}

.nav-drawer {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 20px 20px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  color: var(--ink);
  text-decoration: none;
  padding: 12px 10px;
  border-radius: 10px;
  font-weight: 500;
}
.nav-drawer a:hover { background: rgba(255, 255, 255, 0.04); }

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-solid {
  background: linear-gradient(180deg, #3bb8f2, var(--accent-2));
  color: #041018 !important;
  box-shadow: 0 10px 30px rgba(42, 171, 238, 0.28);
}
.btn-ghost {
  background: transparent;
  color: var(--ink) !important;
  border-color: var(--line);
}
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.22); background: rgba(255, 255, 255, 0.03); }
.btn-lg { min-height: 52px; padding: 0 24px; font-size: 1rem; }

/* —— Hero —— */
.hero {
  position: relative;
  padding: 48px 0 0;
  overflow: clip;
}
.hero-glow {
  position: absolute;
  inset: -20% 10% auto;
  height: 55%;
  background: radial-gradient(ellipse at center, rgba(42, 171, 238, 0.22), transparent 70%);
  pointer-events: none;
}
.hero-copy {
  width: min(100% - 40px, 820px);
  margin: 0 auto 36px;
  text-align: center;
  position: relative;
}
.brand-mark {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  letter-spacing: -0.05em;
  line-height: 0.95;
  color: var(--ink);
}
.brand-mark::after {
  content: "";
  display: inline-block;
  width: 0.42em;
  height: 0.42em;
  margin-left: 0.12em;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: 0.18em;
  box-shadow: 0 0 24px rgba(42, 171, 238, 0.7);
}
.hero h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.2vw, 2rem);
  letter-spacing: -0.03em;
  color: rgba(238, 243, 248, 0.92);
}
.hero-lede {
  margin: 0 auto 26px;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.08rem;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.hero-stage {
  width: min(100% - 24px, 1180px);
  margin: 0 auto;
  position: relative;
}
.hero-shot {
  width: 100%;
  border-radius: 16px 16px 0 0;
  border: 1px solid var(--line);
  border-bottom: 0;
  box-shadow: var(--shadow);
  transform: translateZ(0);
  will-change: transform;
}

/* —— Sections —— */
.band {
  padding: 88px 0;
  border-top: 1px solid var(--line);
}
.band-soft { background: rgba(255, 255, 255, 0.015); }
.band h2,
.cta-band h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.5vw, 2.35rem);
  letter-spacing: -0.035em;
}
.section-lede {
  margin: 0 0 36px;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 36rem;
}
.narrow .section-lede { margin-left: auto; margin-right: auto; text-align: center; }
.narrow h2 { text-align: center; }

.demo-frame {
  width: min(100% - 24px, 1180px);
  margin: 0 auto;
  padding: 0;
}
.demo-frame img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.demo-frame figcaption {
  margin-top: 14px;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.feature-list li {
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr;
  gap: 18px 28px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.feature-list li:last-child { border-bottom: 1px solid var(--line); }
.feature-list strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.feature-list span { color: var(--muted); }

/* —— Pricing (keep class names for app.js / landing.js) —— */
.plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}
.plans-fallback,
.muted { color: var(--muted); }

.plan {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 180ms ease, transform 180ms ease;
}
.plan:hover { border-color: rgba(42, 171, 238, 0.35); transform: translateY(-2px); }
.plan.featured {
  border-color: rgba(42, 171, 238, 0.45);
  background: linear-gradient(180deg, rgba(42, 171, 238, 0.1), var(--surface));
}
.plan-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #041018;
  background: var(--accent);
  padding: 4px 8px;
  border-radius: 999px;
}
.plan-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.plan-tag { color: var(--muted); font-size: 0.9rem; }
.price { margin: 6px 0 4px; }
.plan-price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.plan-features {
  margin: 8px 0 16px;
  padding: 0 0 0 18px;
  color: var(--muted);
  flex: 1;
}
.plan-features li { margin: 6px 0; }
.plan-cta { width: 100%; margin-top: auto; }

.panel-note {
  margin: 28px 0 0;
  text-align: center;
  color: var(--muted);
}

.cta-band {
  text-align: center;
  background:
    radial-gradient(700px 280px at 50% 0%, rgba(42, 171, 238, 0.18), transparent 70%),
    rgba(255, 255, 255, 0.02);
}
.cta-band .section-lede { margin-left: auto; margin-right: auto; }
.fine {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.faq { margin: 0; }
.faq > div {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.faq > div:last-child { border-bottom: 1px solid var(--line); }
.faq dt {
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 6px;
}
.faq dd { margin: 0; color: var(--muted); }

.foot {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
}
.foot-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  align-items: center;
}
.foot-links {
  display: flex;
  gap: 18px;
  margin-left: auto;
}
.foot-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}
.foot-links a:hover { color: var(--ink); }
.foot .fine { width: 100%; margin: 0; }

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover { transform: none; }
  .hero-shot { transform: none !important; }
}

@media (max-width: 900px) {
  .nav, .link-quiet { display: none; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .plans { grid-template-columns: 1fr; }
  .feature-list li { grid-template-columns: 1fr; gap: 6px; }
  .hero { padding-top: 32px; }
  .band { padding: 64px 0; }
  .foot-links { margin-left: 0; width: 100%; }
}

@media (max-width: 560px) {
  .top { padding: 12px 16px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
}