:root {
  --slate: #0d1117;
  --slate-2: #161b22;
  --slate-3: #21262d;
  --teal: #00d4aa;
  --teal-dim: rgba(0, 212, 170, 0.12);
  --cream: #f5f0e8;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --text-dim: rgba(230, 237, 243, 0.5);
  --border: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--slate);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: 'Syne', sans-serif; line-height: 1.2; }

/* NAV */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 40px;
  border-bottom: 1px solid var(--border);
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
}
.nav-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; gap: 16px; }
.nav-logo { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; letter-spacing: -0.02em; }
.nav-tagline { font-size: 0.8rem; color: var(--text-muted); border-left: 1px solid var(--border); padding-left: 16px; }

/* HERO */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 140px 40px 100px;
  position: relative;
  overflow: hidden;
}
.hero-orb {
  position: absolute; top: 20%; left: 50%; transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,170,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 80%);
}
.hero-inner {
  max-width: 820px;
  position: relative; z-index: 1;
  margin: 0 auto;
  text-align: center;
}
.hero-label {
  display: inline-block;
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-dim);
  border: 1px solid rgba(0,212,170,0.2);
  padding: 6px 14px; border-radius: 20px;
  margin-bottom: 28px;
}
.hero-headline {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.035em;
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.75;
}

/* LIVE QUEUE */
.live-queue {
  padding: 80px 40px;
  background: var(--slate-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.lq-header {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.82rem; color: var(--text-muted);
  font-family: 'Plus Jakarta Sans', sans-serif;
  margin-bottom: 32px;
}
.lq-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,212,170,0.25);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(0,212,170,0.25); }
  50% { box-shadow: 0 0 0 6px rgba(0,212,170,0.08); }
}
.lq-messages {
  max-width: 680px;
  margin: 0 auto 28px;
  display: flex; flex-direction: column; gap: 10px;
}
.lq-msg {
  display: flex; align-items: flex-start; gap: 16px;
  background: var(--slate-3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
}
.lq-msg.lq-active { border-color: rgba(0,212,170,0.3); background: rgba(0,212,170,0.04); }
.lq-msg.lq-done { opacity: 0.65; }
.lq-avatar {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--slate);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif; font-size: 0.75rem; font-weight: 600;
  color: var(--text-muted); flex-shrink: 0;
  border: 1px solid var(--border);
}
.lq-avatar.lq-typing {
  background: var(--teal-dim);
  color: var(--teal);
  border-color: rgba(0,212,170,0.2);
}
.lq-from { font-size: 0.8rem; font-weight: 600; margin-bottom: 2px; }
.lq-time { font-weight: 400; color: var(--text-muted); margin-left: 8px; font-size: 0.75rem; }
.lq-preview { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 8px; }
.lq-status { font-size: 0.75rem; font-weight: 500; }
.lq-status-done { color: var(--teal); }
.lq-status-done em { font-style: normal; opacity: 0.7; }
.lq-status-typing { color: var(--text-muted); animation: blink 1.2s infinite; }
.lq-status-waiting { color: var(--text-dim); }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.4} }
.lq-caption { text-align: center; font-size: 0.85rem; color: var(--text-dim); }

/* FEATURES */
.features { padding: 100px 40px; }
.features-inner { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-family: 'Syne', sans-serif; font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 48px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--slate-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: rgba(0,212,170,0.25); }
.feature-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--teal-dim);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--teal);
}
.feature-card h3 {
  font-size: 1.05rem; font-weight: 700; margin-bottom: 10px;
  color: var(--text);
}
.feature-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; }

/* HOW IT WORKS */
.how-it-works { padding: 100px 40px; background: var(--slate-2); border-top: 1px solid var(--border); }
.hiw-inner { max-width: 880px; margin: 0 auto; }
.hiw-steps { display: flex; flex-direction: column; gap: 40px; margin-top: 0; }
.hiw-step { display: flex; gap: 32px; align-items: flex-start; }
.hiw-num {
  font-family: 'Syne', sans-serif; font-size: 2.2rem; font-weight: 800;
  color: var(--text-dim);
  line-height: 1;
  flex-shrink: 0;
  width: 60px;
}
.hiw-content h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.hiw-content p { font-size: 0.9rem; color: var(--text-muted); max-width: 520px; line-height: 1.7; }

/* PRICING */
.pricing { padding: 100px 40px; background: var(--slate-2); border-top: 1px solid var(--border); }
.pricing-inner { max-width: 1100px; margin: 0 auto; }
.pricing-header { text-align: center; margin-bottom: 56px; }
.pricing-title {
  font-family: 'Syne', sans-serif; font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 700; color: var(--text); letter-spacing: -0.025em;
  margin-bottom: 16px;
}
.pricing-sub { font-size: 1rem; color: var(--text-muted); max-width: 520px; margin: 0 auto; line-height: 1.7; }

.pricing-card-wrap { display: flex; justify-content: center; margin-bottom: 72px; }
.pricing-card {
  position: relative;
  background: var(--slate-3);
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: 24px;
  padding: 48px 52px;
  max-width: 460px;
  width: 100%;
  box-shadow: 0 0 0 1px rgba(0,212,170,0.05), 0 24px 64px rgba(0,0,0,0.3);
}
.pc-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--teal); color: var(--slate);
  font-family: 'Syne', sans-serif; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 5px 16px; border-radius: 20px;
  white-space: nowrap;
}
.pc-plan { font-family: 'Syne', sans-serif; font-size: 0.85rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; }
.pc-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 8px; }
.pc-amount { font-family: 'Syne', sans-serif; font-size: 4rem; font-weight: 800; color: var(--text); line-height: 1; }
.pc-per { font-size: 1rem; color: var(--text-muted); }
.pc-tagline { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 32px; }
.pc-features { list-style: none; margin-bottom: 36px; display: flex; flex-direction: column; gap: 14px; }
.pc-features li { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: var(--text); }
.pc-features li svg { color: var(--teal); flex-shrink: 0; }
.pc-cta {
  display: block; width: 100%; text-align: center;
  background: var(--teal); color: var(--slate);
  font-family: 'Syne', sans-serif; font-size: 0.95rem; font-weight: 700;
  padding: 16px 32px; border-radius: 12px; text-decoration: none;
  transition: filter 0.15s;
  margin-bottom: 12px;
}
.pc-cta:hover { filter: brightness(1.1); }
.pc-footnote { text-align: center; font-size: 0.8rem; color: var(--text-dim); }

/* COMPARISON TABLE */
.pricing-comparison { }
.comp-heading { font-family: 'Syne', sans-serif; font-size: 0.82rem; font-weight: 600; color: var(--text-dim); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 20px; }
.comp-table-wrap { overflow-x: auto; }
.comp-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.comp-table th, .comp-table td { padding: 14px 18px; text-align: center; border-bottom: 1px solid var(--border); }
.comp-table th:first-child, .comp-table td:first-child { text-align: left; font-weight: 500; color: var(--text-muted); }
.comp-table th { border-bottom: 2px solid var(--border); padding-bottom: 20px; }
.ct-brand { font-family: 'Syne', sans-serif; font-size: 0.95rem; font-weight: 700; color: var(--text); }
.ct-brand-sub { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.ct-check { }
.ct-no { opacity: 0.5; }
.comp-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.comp-note { margin-top: 16px; font-size: 0.75rem; color: var(--text-dim); }

/* CLOSING */
.closing { padding: 100px 40px; text-align: center; }
.closing-inner { max-width: 720px; margin: 0 auto; }
.closing-quote {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.closing-body { font-size: 1rem; color: var(--text-muted); line-height: 1.75; max-width: 520px; margin: 0 auto; }

/* FOOTER */
.site-footer { padding: 48px 40px; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-brand { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1rem; margin-bottom: 8px; }
.footer-note { font-size: 0.82rem; color: var(--text-dim); max-width: 480px; line-height: 1.6; }

/* MOBILE */
@media (max-width: 768px) {
  .site-nav { padding: 14px 20px; }
  .nav-tagline { display: none; }
  .hero { padding: 100px 20px 70px; }
  .hero-headline { font-size: 2rem; }
  .hero-sub { font-size: 1rem; }
  .live-queue, .features, .how-it-works, .closing { padding: 60px 20px; }
  .lq-messages { gap: 8px; }
  .hiw-step { flex-direction: column; gap: 12px; }
  .hiw-num { font-size: 1.8rem; }
}
@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
}