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

:root {
  --color-bg: #0a0c0f;
  --color-surface: #111418;
  --color-surface-2: #1a1f26;
  --color-border: #232930;
  --color-primary: #a6ceff;
  --color-primary-dark: #7ab0f5;
  --color-primary-glow: rgba(166, 206, 255, 0.15);
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  --font: 'Inter', system-ui, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

html {
  scroll-behavior: smooth;
}

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

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* =========================================
   LAYOUT
   ========================================= */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: #0a0c0f;
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(34, 197, 94, 0.3);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface-2);
}

.btn--lg {
  padding: 14px 28px;
  font-size: 1rem;
}

/* =========================================
   NAV
   ========================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 12, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}

.nav__logo {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.nav__logo span {
  color: var(--color-primary);
}

.nav__links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.15s;
}
.nav__links a:hover {
  color: var(--color-text);
}

.nav__cta {
  margin-left: 16px;
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

/* =========================================
   HERO
   ========================================= */
.hero {
  padding: 30px 0 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--color-primary-glow);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  max-width: 800px;
  margin: 0 auto 20px;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-muted);
  max-width: 580px;
  margin: 0 auto 36px;
}

.hero__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__social-proof {
  margin-top: 28px;
  font-size: 0.85rem;
  color: var(--color-text-dim);
}
.hero__social-proof strong {
  color: var(--color-text-muted);
}

/* =========================================
   SECTION HEADER
   ========================================= */
.section-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 56px;
}
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 12px;
}
.section-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* =========================================
   FEATURES
   ========================================= */
.features {
  padding: 96px 0;
  border-top: 1px solid var(--color-border);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover {
  border-color: rgba(34, 197, 94, 0.3);
  transform: translateY(-2px);
}

.feature-card__icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* =========================================
   HOW IT WORKS
   ========================================= */
.how-it-works {
  padding: 96px 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.steps {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.step {
  flex: 1;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
}

.step__number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.step__arrow {
  font-size: 1.5rem;
  color: var(--color-text-dim);
  padding-top: 40px;
  flex-shrink: 0;
}

/* =========================================
   PRICING
   ========================================= */
.pricing {
  padding: 96px 0;
  border-top: 1px solid var(--color-border);
}

.pricing__cards {
  display: flex;
  gap: 24px;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  width: 300px;
  position: relative;
}

.pricing-card--pro {
  border-color: var(--color-primary);
  background: linear-gradient(160deg, var(--color-surface) 0%, rgba(34,197,94,0.05) 100%);
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #0a0c0f;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-card__label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.pricing-card__price {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 24px;
}
.pricing-card__price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.pricing-card__features {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pricing-card__features li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding-left: 20px;
  position: relative;
}
.pricing-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.pricing-card .btn {
  width: 100%;
}

/* =========================================
   WAITLIST
   ========================================= */
.waitlist {
  padding: 96px 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  text-align: center;
}

.waitlist__inner h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 12px;
}
.waitlist__inner p {
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.waitlist__form {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 480px;
  margin: 0 auto 14px;
}

.waitlist__input {
  flex: 1;
  min-width: 220px;
  padding: 14px 18px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s;
}
.waitlist__input:focus {
  border-color: var(--color-primary);
}
.waitlist__input::placeholder {
  color: var(--color-text-dim);
}

.waitlist__note {
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

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

.footer__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-left: auto;
}

.footer__links {
  display: flex;
  gap: 20px;
}
.footer__links a {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  transition: color 0.15s;
}
.footer__links a:hover {
  color: var(--color-text-muted);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 900px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    flex-direction: column;
  }
  .step__arrow {
    transform: rotate(90deg);
    padding: 0;
    align-self: center;
  }
}

@media (max-width: 640px) {
  .nav__links,
  .nav__cta {
    display: none;
  }
  .nav__burger {
    display: flex;
  }

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

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
  .footer__copy {
    margin-left: 0;
    order: 3;
  }
}