:root {
  --bg: #0d0d0d;
  --bg-alt: #141414;
  --bg-card: #1a1a1a;
  --fg: #f5f5f5;
  --fg-muted: #888888;
  --accent: #ff4500;
  --accent-dim: rgba(255, 69, 0, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 20px;
  border-radius: 6px;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 2px;
  color: var(--fg);
}

.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 48px 60px;
  position: relative;
  background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(255,69,0,0.06) 0%, transparent 70%), var(--bg);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 88px);
  line-height: 0.95;
  letter-spacing: 1px;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 460px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.stat { display: flex; flex-direction: column; gap: 4px; }

.stat-value {
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Speaker Visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 400px;
}

.speaker-graphic {
  position: relative;
  width: 280px;
  height: 280px;
}

.speaker-cone {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #1a1a1a, #2a2a2a, #1a1a1a);
  box-shadow: 0 0 60px rgba(255,69,0,0.2), inset 0 0 40px rgba(0,0,0,0.5);
}

.speaker-ring {
  position: absolute;
  inset: 30px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  opacity: 0.6;
}

.speaker-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 40px rgba(255,69,0,0.5);
}

.sound-waves {
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.wave {
  height: 3px;
  background: linear-gradient(to right, var(--accent), transparent);
  border-radius: 2px;
  animation: wave-pulse 2s ease-in-out infinite;
}

.wave-1 { width: 80px; animation-delay: 0s; }
.wave-2 { width: 120px; animation-delay: 0.3s; }
.wave-3 { width: 60px; animation-delay: 0.6s; }

@keyframes wave-pulse {
  0%, 100% { opacity: 0.3; transform: scaleX(1); }
  50% { opacity: 1; transform: scaleX(1.1); }
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--fg-muted);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* Sections */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 48px;
}

.section-header {
  margin-bottom: 64px;
}

.section-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: 1px;
  max-width: 640px;
}

/* How It Works */
.howitworks { background: var(--bg-alt); }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.step { position: relative; }

.step-number {
  font-family: var(--font-display);
  font-size: 64px;
  color: var(--accent-dim);
  line-height: 1;
  margin-bottom: 16px;
}

.step-title {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.step-desc {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* Categories */
.categories { background: var(--bg); }

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  transition: border-color 0.3s ease;
}

.category-card:hover { border-color: var(--accent); }

.category-icon {
  width: 56px;
  height: 56px;
  color: var(--accent);
  margin-bottom: 20px;
}

.category-icon svg { width: 100%; height: 100%; }

.category-name {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.category-desc {
  color: var(--fg-muted);
  font-size: 14px;
}

/* Manifesto */
.manifesto { background: var(--bg-alt); }

.manifesto-block { margin-bottom: 48px; }

.manifesto-quote {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.3;
  color: var(--fg);
  padding-left: 24px;
  border-left: 3px solid var(--accent);
  letter-spacing: 1px;
}

.manifesto-body {
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.manifesto-body p {
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.8;
}

/* Closing */
.closing { background: var(--bg); }

.closing-content { max-width: 600px; }

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 80px);
  line-height: 0.95;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.closing-promise {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.promise-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 600;
}

.promise-check {
  width: 24px;
  height: 24px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo {
  width: 28px;
  height: 28px;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 16px;
  border-radius: 4px;
}

.footer-name {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 2px;
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 14px;
}

.footer-note {
  color: var(--fg-muted);
  font-size: 12px;
  opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar { padding: 16px 24px; }
  .nav-tagline { display: none; }

  .hero { padding: 60px 24px 48px; min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { height: 280px; }
  .speaker-graphic { width: 200px; height: 200px; }
  .speaker-center { width: 40px; height: 40px; }

  .section-inner { padding: 64px 24px; }

  .steps { grid-template-columns: 1fr; gap: 40px; }
  .step-number { font-size: 48px; }

  .category-grid { grid-template-columns: 1fr; }

  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .stat-value { font-size: 28px; }
  .stat-divider { display: none; }

  .site-footer { padding: 32px 24px; }
}