/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #1C2333;
  --bg-2: #232D42;
  --bg-3: #2A3550;
  --fg: #F0F4FF;
  --fg-muted: #8B97B8;
  --accent: #5B8EFF;
  --accent-dim: rgba(91, 142, 255, 0.12);
  --border: rgba(255,255,255,0.08);
  --radius: 12px;
  --radius-lg: 20px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-w: 1100px;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

sup {
  font-size: 0.55em;
  vertical-align: super;
  line-height: 0;
  font-weight: 900;
}

/* ===== LAYOUT ===== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

/* ===== NAV ===== */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(28, 35, 51, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.wordmark sup {
  color: var(--accent);
  font-size: 0.5em;
}

.nav-cta {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-muted);
  transition: color 0.15s;
}

.nav-cta:hover {
  color: var(--fg);
}

/* ===== HERO ===== */
.hero {
  padding: 120px 0 96px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(91,142,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.logo-mark {
  display: inline-block;
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #fff 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 32px;
  line-height: 1;
}

.logo-mark sup {
  font-size: 0.38em;
  color: var(--accent);
  -webkit-text-fill-color: var(--accent);
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  font-weight: 400;
  margin-bottom: 48px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 24px;
  border-radius: var(--radius);
  transition: opacity 0.15s, transform 0.15s;
  letter-spacing: -0.01em;
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-primary.btn-large {
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: 14px;
}

.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--fg-muted);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: color 0.15s, border-color 0.15s;
}

.btn-ghost:hover {
  color: var(--fg);
  border-color: rgba(255,255,255,0.2);
}

/* ===== LABEL ===== */
.label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ===== SECTION HEADINGS ===== */
h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 24px;
}

.body-lg {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 680px;
  line-height: 1.7;
  margin-bottom: 48px;
}

em {
  color: var(--fg);
  font-style: normal;
  font-weight: 600;
}

/* ===== ABOUT ===== */
.about {
  background: var(--bg-2);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 28px 24px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.stat-num {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--fg);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ===== PILLARS ===== */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.pillar {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s;
}

.pillar:hover {
  border-color: rgba(91, 142, 255, 0.3);
}

.pillar-wide {
  grid-column: 1 / -1;
}

.pillar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.pillar-icon {
  font-size: 1.4rem;
}

.pillar-day {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.pillar h3 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.pillar p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
  flex: 1;
}

.format-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 10px;
  border-radius: 100px;
  align-self: flex-start;
  margin-top: 4px;
}

/* ===== AUDIENCE ===== */
.audience {
  background: var(--bg-2);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.audience-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.audience-card h3 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.audience-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

.audience-note {
  font-size: 0.85rem;
  color: var(--fg-muted);
  padding: 16px 20px;
  background: var(--accent-dim);
  border: 1px solid rgba(91, 142, 255, 0.2);
  border-radius: var(--radius);
}

/* ===== RATES ===== */
.rate-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.rate-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s;
}

.rate-card:hover {
  border-color: rgba(91, 142, 255, 0.3);
}

.rate-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.rate-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
  flex: 1;
}

.placement-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 100px;
  align-self: flex-start;
}

.rates-note {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.rates-note a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== CTA ===== */
.cta {
  background: var(--bg-2);
  text-align: center;
}

.cta h2 {
  margin-bottom: 12px;
}

.cta p {
  color: var(--fg-muted);
  margin-bottom: 40px;
  font-size: 1.05rem;
}

.social-links {
  margin-top: 24px;
  display: flex;
  gap: 24px;
  justify-content: center;
}

.social-links a {
  font-size: 0.875rem;
  color: var(--fg-muted);
  transition: color 0.15s;
}

.social-links a:hover {
  color: var(--fg);
}

/* ===== FOOTER ===== */
footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.footer-copy a {
  color: var(--fg-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 700px) {
  section {
    padding: 64px 0;
  }

  .hero {
    padding: 80px 0 64px;
  }

  .pillar-grid,
  .rate-grid {
    grid-template-columns: 1fr;
  }

  .pillar-wide {
    grid-column: 1;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .stat-row {
    grid-template-columns: repeat(2, 1fr);
  }

  footer .container {
    flex-direction: column;
    text-align: center;
  }
}
