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

:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-2: #18181b;
  --accent: #a855f7;
  --accent-dim: rgba(168, 85, 247, 0.15);
  --accent-glow: rgba(168, 85, 247, 0.4);
  --green: #22c55e;
  --green-dim: rgba(34, 197, 94, 0.15);
  --text: #ffffff;
  --text-muted: #71717a;
  --border: #27272a;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
}

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

/* ============================================
   LAYOUT
   ============================================ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
  position: relative;
}

/* ============================================
   TYPOGRAPHY UTILITIES
   ============================================ */
.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 56px;
}

.accent-green {
  color: var(--green);
  font-weight: 600;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  border-radius: 8px;
  padding: 12px 24px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
}

.btn-primary:hover {
  background: #c084fc;
  box-shadow: 0 0 36px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-nav {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 20px;
  font-size: 14px;
}

.btn-nav:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-large {
  font-size: 17px;
  padding: 16px 36px;
}

/* ============================================
   NAV
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--accent);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.18) 0%, rgba(168, 85, 247, 0.06) 40%, transparent 70%);
  pointer-events: none;
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.8; transform: translate(-50%, -60%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -60%) scale(1.08); }
}

.hero .container {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 100px;
  padding: 6px 16px;
  margin-bottom: 28px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(44px, 8vw, 88px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(17px, 2.5vw, 20px);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.65;
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem {
  background: linear-gradient(180deg, transparent 0%, rgba(168, 85, 247, 0.03) 50%, transparent 100%);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.card-icon {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.card-body {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 36px 0;
}

.step-divider {
  height: 1px;
  background: var(--border);
}

.step-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  min-width: 80px;
  opacity: 0.9;
}

.step-content {
  flex: 1;
  padding-top: 6px;
}

.step-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.step-body {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
}

/* ============================================
   FEATURES
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.feature-card:hover {
  border-color: var(--accent);
  background: var(--surface);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.feature-body {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  text-align: center;
  overflow: hidden;
  background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.12) 0%, transparent 70%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta-sub {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE — TABLET
   ============================================ */
@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .step {
    flex-direction: column;
    gap: 16px;
    padding: 28px 0;
  }

  .step-number {
    font-size: 36px;
    min-width: auto;
  }

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

/* ============================================
   RESPONSIVE — MOBILE
   ============================================ */
@media (max-width: 480px) {
  .hero {
    padding: 100px 0 60px;
    min-height: 90vh;
  }

  .hero-headline {
    font-size: 38px;
  }

  .hero-glow {
    width: 400px;
    height: 400px;
  }

  .section-title {
    font-size: 26px;
  }

  .cta-title {
    font-size: 28px;
  }

  .btn-large {
    font-size: 15px;
    padding: 14px 28px;
  }
}

/* ============================================
   COOKIE BANNER
   ============================================ */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.5);
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

#cookie-banner.cookie-banner--visible {
  transform: translateY(0);
  opacity: 1;
}

#cookie-banner.cookie-banner--hidden {
  transform: translateY(100%);
  opacity: 0;
}

.cookie-banner__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner__text {
  flex: 1;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  min-width: 220px;
}

.cookie-banner__text strong {
  color: var(--text);
}

.cookie-banner__text a {
  color: var(--accent);
  text-decoration: none;
  margin-left: 4px;
}

.cookie-banner__text a:hover {
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.cookie-btn {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  border-radius: 7px;
  padding: 9px 18px;
  cursor: pointer;
  border: none;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.cookie-btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 16px var(--accent-glow);
}

.cookie-btn--primary:hover {
  background: #c084fc;
}

.cookie-btn--outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.cookie-btn--outline:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

@media (max-width: 480px) {
  .cookie-banner__inner {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
  .cookie-banner__actions {
    flex-direction: column;
  }
  .cookie-btn {
    text-align: center;
    padding: 11px 18px;
  }
}