/* ── Landing Page ── */

/* Navbar */
.land-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 0 48px; height: 60px;
  display: flex; align-items: center; justify-content: space-between;
}
.land-logo { font-size: 22px; font-weight: 800; color: var(--text-primary); letter-spacing: -0.5px; }
.land-logo span { color: var(--green); }
.land-links { display: flex; align-items: center; gap: 32px; }
.land-links a { font-size: 14px; font-weight: 500; color: var(--text-secondary); transition: color 0.15s; }
.land-links a:hover { color: var(--text-primary); }
.land-nav-actions { display: flex; align-items: center; gap: 10px; }
.btn-login { background: none; border: 1px solid var(--border); color: var(--text-primary); padding: 7px 18px; border-radius: var(--radius); font-size: 14px; font-weight: 500; cursor: pointer; transition: all 0.15s; }
.btn-login:hover { background: var(--bg-hover); }

/* Hero */
.hero {
  min-height: calc(100vh - 60px);
  display: flex; align-items: center;
  padding: 60px 48px;
  max-width: 1200px; margin: 0 auto;
  gap: 60px;
}
.hero-content { flex: 1; max-width: 560px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--green-100); color: var(--green-text);
  padding: 5px 12px; border-radius: var(--radius-full);
  font-size: 13px; font-weight: 600; margin-bottom: 24px;
}
.hero-badge::before { content: ''; width: 8px; height: 8px; background: var(--green); border-radius: 50%; }
.hero h1 {
  font-size: clamp(38px, 5vw, 58px); font-weight: 800;
  line-height: 1.1; letter-spacing: -1.5px;
  color: var(--text-primary); margin-bottom: 20px;
}
.hero-sub {
  font-size: 17px; color: var(--text-secondary); line-height: 1.65;
  margin-bottom: 32px; max-width: 460px;
}
.hero-sub strong { color: var(--text-primary); font-weight: 600; }
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.btn-how { background: none; border: none; color: var(--text-primary); font-size: 14px; font-weight: 500; display: flex; align-items: center; gap: 6px; cursor: pointer; padding: 10px 0; }
.btn-how:hover { color: var(--green); }
.hero-perks { display: flex; align-items: center; gap: 20px; margin-top: 36px; flex-wrap: wrap; }
.perk { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-secondary); font-weight: 500; }
.perk svg { color: var(--green); flex-shrink: 0; }

/* Hero Visual */
.hero-visual { flex: 1; display: flex; justify-content: center; align-items: center; }
.app-preview {
  background: white; border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 20px; width: 100%; max-width: 380px;
  position: relative;
}
.preview-topbar { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.preview-topbar-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.preview-topbar-dot:nth-child(1) { background: #fc5c65; }
.preview-topbar-dot:nth-child(2) { background: #feca57; }
.preview-topbar-dot:nth-child(3) { background: #1dd1a1; }
.preview-topbar-title { font-size: 12px; font-weight: 600; color: var(--text-muted); margin-left: auto; margin-right: auto; }
.preview-greeting { font-size: 15px; font-weight: 700; margin-bottom: 14px; color: var(--text-primary); }
.preview-stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }
.preview-stat { background: var(--bg-main); border-radius: var(--radius); padding: 10px 8px; text-align: center; }
.preview-stat-num { font-size: 20px; font-weight: 800; color: var(--text-primary); }
.preview-stat-label { font-size: 10px; color: var(--text-secondary); font-weight: 500; line-height: 1.3; }
.preview-section-title { font-size: 12px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; }
.preview-item { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.preview-item:last-child { border-bottom: none; }
.preview-item-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.preview-item-name { flex: 1; font-size: 12px; font-weight: 500; }
.preview-item-class { font-size: 11px; color: var(--text-secondary); }
.preview-item-time { font-size: 11px; color: var(--text-secondary); font-weight: 500; }
.preview-float { position: absolute; right: -20px; top: 50%; transform: translateY(-50%); }
.deadline-card {
  background: white; border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 12px 16px; box-shadow: var(--shadow-md); width: 180px;
}
.deadline-card-top { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
.deadline-status { width: 8px; height: 8px; border-radius: 50%; }
.deadline-name { font-size: 12px; font-weight: 600; }
.deadline-meta { font-size: 11px; color: var(--text-secondary); }
.deadline-due { font-size: 11px; color: var(--red); font-weight: 600; margin-top: 4px; }

/* How it works */
.section { padding: 80px 48px; max-width: 1200px; margin: 0 auto; }
.section-label { font-size: 13px; font-weight: 700; color: var(--green); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px; }
.section-title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -1px; margin-bottom: 16px; }
.section-sub { font-size: 16px; color: var(--text-secondary); max-width: 520px; line-height: 1.65; }
.section-center { text-align: center; }
.section-center .section-sub { margin: 0 auto 50px; }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; margin-top: 50px; }
.feature-card { background: white; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 28px; transition: box-shadow 0.2s, transform 0.2s; }
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-icon { width: 48px; height: 48px; background: var(--green-100); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; color: var(--green); }
.feature-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; max-width: 700px; margin: 0 auto; }
.pricing-card { background: white; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; position: relative; }
.pricing-card.featured { border-color: var(--green); box-shadow: 0 0 0 1px var(--green); }
.pricing-popular { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--green); color: white; font-size: 12px; font-weight: 700; padding: 3px 14px; border-radius: var(--radius-full); }
.pricing-name { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.pricing-price { font-size: 36px; font-weight: 800; margin-bottom: 4px; letter-spacing: -1px; }
.pricing-price span { font-size: 16px; font-weight: 500; color: var(--text-secondary); }
.pricing-desc { color: var(--text-secondary); font-size: 14px; margin-bottom: 24px; }
.pricing-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.pricing-feature { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.pricing-feature svg { color: var(--green); flex-shrink: 0; }

/* CTA Section */
.cta-section { background: var(--text-primary); color: white; text-align: center; padding: 80px 48px; margin-top: 40px; }
.cta-section h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -1px; margin-bottom: 16px; }
.cta-section p { font-size: 16px; color: rgba(255,255,255,0.7); margin-bottom: 32px; }
.btn-cta-white { background: white; color: var(--text-primary); padding: 13px 32px; border-radius: var(--radius); font-size: 15px; font-weight: 700; border: none; cursor: pointer; transition: all 0.15s; display: inline-flex; align-items: center; gap: 8px; }
.btn-cta-white:hover { background: var(--green-100); color: var(--green-text); }

/* Footer */
.land-footer { padding: 40px 48px; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.footer-copy { font-size: 13px; color: var(--text-muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13px; color: var(--text-muted); transition: color 0.15s; }
.footer-links a:hover { color: var(--text-secondary); }

html, body { max-width: 100%; overflow-x: hidden; }

/* ── Mobile Responsiveness ── */
@media (max-width: 768px) {
  /* Navbar */
  .land-nav { padding: 0 20px; }
  .land-links { display: none; }
  .land-nav-actions .btn-login { display: none; }

  /* Hero */
  .hero { flex-direction: column; padding: 40px 20px; gap: 40px; min-height: auto; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-perks { justify-content: center; }
  .hero-visual { width: 100%; }
  .app-preview { max-width: 100%; }
  .preview-float { display: none; }

  /* Sections */
  .section { padding: 50px 20px; }
  .section-title { font-size: 28px; }
  .section-sub { font-size: 15px; }

  /* Features */
  .features-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 32px; }

  /* Stats bar */
  .stats-bar { flex-wrap: wrap; gap: 20px; padding: 24px 20px; }

  /* AI spotlight */
  .ai-split { flex-direction: column !important; gap: 32px !important; }
  .ai-chat-demo { max-width: 100% !important; width: 100% !important; }

  /* Testimonials */
  .testimonials-grid { grid-template-columns: 1fr !important; }

  /* Pricing */
  .pricing-grid { grid-template-columns: 1fr; }
  .lp-plans-grid { flex-direction: column !important; align-items: center; }
  .lp-plan { max-width: 100% !important; width: 100% !important; }

  /* FAQ */
  .faq-grid { grid-template-columns: 1fr !important; }

  /* CTA */
  .cta-section { padding: 50px 20px; }

  /* Footer */
  .land-footer { flex-direction: column; gap: 16px; text-align: center; padding: 28px 20px; }
  .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 32px; }
  .btn-lg { padding: 11px 22px; font-size: 14px; }
  .hero-actions { flex-direction: column; align-items: stretch; text-align: center; }
  .btn-how { justify-content: center; }
}