/* ============================================================
   css/index.css — Landing Page Styles (Minimalist & Premium)
   ============================================================ */

/* ─── Nav ────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(10, 9, 16, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration) var(--ease);
}

.nav.scrolled {
  border-bottom-color: var(--c-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  border: 1px solid var(--c-text);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-logo-text {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -300px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse, rgba(167,139,250,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--c-border-2);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  color: var(--c-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  color: var(--c-text);
}

.hero-subtitle {
  font-size: var(--text-sm);
  color: var(--c-muted);
  line-height: 1.6;
  margin-bottom: 40px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--c-border);
}

.stat-item { text-align: center; }
.stat-number { font-size: var(--text-xl); font-weight: 700; color: var(--c-text); }
.stat-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--c-muted); margin-top: 4px; }

/* ─── Features ───────────────────────────────────────────── */
.section {
  padding: 100px 0;
  position: relative;
  border-top: 1px solid var(--c-border);
}

.section-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-muted);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: var(--text-sm);
  color: var(--c-muted);
  max-width: 480px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.feature-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: border-color var(--duration) var(--ease);
  position: relative;
}

.feature-card:hover {
  border-color: var(--c-border-2);
}

.feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.01);
  border: 1px solid var(--c-border-2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--c-text);
}

.feature-title {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-desc {
  font-size: var(--text-xs);
  color: var(--c-muted);
  line-height: 1.6;
}

/* ─── Pricing ────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 48px auto 0;
  max-width: 1000px;
}

.pricing-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  position: relative;
  transition: border-color var(--duration) var(--ease);
}

.pricing-card.popular {
  border-color: var(--c-border-2);
}

.popular-badge {
  position: absolute;
  top: -10px;
  left: 20px;
  background: var(--c-text);
  color: var(--c-bg);
  font-size: 9px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pricing-plan { font-size: 10px; font-weight: 700; color: var(--c-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
.pricing-price { font-size: var(--text-4xl); font-weight: 800; letter-spacing: -0.03em; }
.pricing-period { font-size: var(--text-xs); color: var(--c-muted); }
.pricing-desc { font-size: var(--text-xs); color: var(--c-muted); margin: 12px 0; }
.pricing-limit { font-size: var(--text-base); font-weight: 700; color: var(--c-text); }

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 20px 0;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-xs);
  color: var(--c-muted);
}

/* ─── CTA Bottom ─────────────────────────────────────────── */
.cta-section {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 60px 20px;
  text-align: center;
  margin: 0 0 80px;
}

/* ─── Footer ─────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--c-border);
  padding: 32px 0;
  color: var(--c-muted);
  font-size: var(--text-xs);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .nav-links .btn { display: none; }
  .nav-links .btn:last-child { display: inline-flex; }
  .cta-section { padding: 40px 20px; }
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.footer {
  margin-top: auto;
}