/* SeshUp Landing Page Theme */

/* ── Variables ── */
:root {
  --bg: #09090f;
  --surface: #111118;
  --surface-2: #1a1a24;
  --accent: #7EF9D0;
  --accent-dim: rgba(126, 249, 208, 0.15);
  --accent-2: #F9C27E;
  --text: #F0EFF4;
  --text-muted: #8B8A99;
  --border: rgba(240, 239, 244, 0.08);
}

/* ── Reset & Base ── */
* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: 'Syne', sans-serif;
  line-height: 1.1;
  font-weight: 800;
}

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 48px;
  display: flex;
  align-items: center;
  background: rgba(9, 9, 15, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 48px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -20%;
  width: 70%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(126, 249, 208, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 50%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(249, 194, 126, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 820px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(126, 249, 208, 0.3);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  background: var(--accent-dim);
}

.hero-headline {
  font-size: clamp(3.5rem, 10vw, 7rem);
  color: var(--text);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  line-height: 1.0;
}

.hero-headline br { display: block; }

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 56px;
  font-weight: 300;
  line-height: 1.7;
}

/* ── Bubble Tags ── */
.hero-visual {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.bubble {
  padding: 10px 22px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  transition: transform 0.2s ease;
}

.bubble:hover { transform: scale(1.05); }

.b1 { background: rgba(126, 249, 208, 0.12); color: var(--accent); border: 1px solid rgba(126, 249, 208, 0.25); }
.b2 { background: rgba(249, 194, 126, 0.12); color: var(--accent-2); border: 1px solid rgba(249, 194, 126, 0.25); }
.b3 { background: rgba(200, 100, 255, 0.12); color: #C864FF; border: 1px solid rgba(200, 100, 255, 0.25); }
.b4 { background: rgba(255, 150, 80, 0.12); color: #FF964F; border: 1px solid rgba(255, 150, 80, 0.25); }
.b5 { background: rgba(80, 200, 255, 0.12); color: #50C8FF; border: 1px solid rgba(80, 200, 255, 0.25); }
.b6 { background: rgba(255, 210, 80, 0.12); color: #FFD250; border: 1px solid rgba(255, 210, 80, 0.25); }

/* ── Features ── */
.features {
  padding: 100px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.features-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.features-header h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  max-width: 1100px;
  margin: 0 auto 64px;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.feature-card {
  padding: 48px 40px;
  background: var(--surface-2);
  transition: background 0.3s ease;
}

.feature-card:hover { background: #1e1e2c; }

.feature-icon {
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
  font-weight: 300;
}

/* ── Callout ── */
.features-callout {
  max-width: 680px;
  margin: 0 auto;
}

.callout-inner {
  background: var(--accent-dim);
  border: 1px solid rgba(126, 249, 208, 0.2);
  border-radius: 12px;
  padding: 28px 36px;
  text-align: center;
}

.callout-text {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
}

.callout-emoji {
  font-size: 1rem;
  color: var(--accent);
  flex-shrink: 0;
}

.callout-text p {
  font-size: 1rem;
  color: var(--text);
  font-weight: 400;
  margin: 0;
}

/* ── Social Proof ── */
.social-proof {
  padding: 80px 48px;
  background: var(--bg);
}

.proof-inner {
  max-width: 900px;
  margin: 0 auto;
}

.proof-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
  padding: 0 48px;
  flex: 1;
  min-width: 180px;
}

.stat-num {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  flex-shrink: 0;
}

.proof-quote {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.proof-quote blockquote {
  font-family: 'Syne', sans-serif;
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 16px;
  font-style: normal;
}

.proof-quote cite {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: normal;
}

/* ── Closing ── */
.closing {
  padding: 100px 48px 120px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  text-align: center;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  line-height: 1.15;
}

.closing p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 40px;
}

.closing-cta-text {
  font-family: 'Syne', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}

/* ── Footer ── */
footer {
  padding: 48px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
}

.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.125rem;
  display: block;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-legal {
  text-align: right;
}

.footer-legal p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .navbar { padding: 16px 24px; }
  .hero { padding: 100px 24px 60px; }
  .hero-headline { font-size: 3rem; }
  .features { padding: 64px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .stat { padding: 0 24px; }
  .stat-divider { display: none; }
  .proof-stats { gap: 32px; }
  .social-proof { padding: 64px 24px; }
  .closing { padding: 80px 24px 96px; }
  footer { padding: 40px 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-legal { text-align: left; }
}

@media (max-width: 480px) {
  .bubble { font-size: 0.8rem; padding: 8px 16px; }
  .feature-card { padding: 32px 24px; }
  .stat-num { font-size: 2.25rem; }
}