:root {
  --bg-deep: #06060f;
  --bg-surface: #0c0c1d;
  --bg-card: rgba(18, 18, 42, 0.6);
  --fg: #e8e8f0;
  --fg-muted: #8888a8;
  --fg-dim: #555570;
  --accent-1: #7b6ff0;
  --accent-2: #38bdf8;
  --accent-3: #f472b6;
  --accent-4: #34d399;
  --gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3));
  --gradient-subtle: linear-gradient(135deg, rgba(123, 111, 240, 0.15), rgba(56, 189, 248, 0.15), rgba(244, 114, 182, 0.15));
  --radius: 16px;
  --radius-sm: 8px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-deep);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

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

/* ── NAV ── */
.nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 28px 40px;
  z-index: 10;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 28px;
  color: var(--fg);
  letter-spacing: -1px;
}

.logo-accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(123, 111, 240, 0.12) 0%, rgba(56, 189, 248, 0.06) 40%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-tag {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent-2);
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 28px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-price-hint {
  font-size: 13px;
  color: var(--fg-dim);
  margin-top: 16px;
  letter-spacing: 0.3px;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--gradient);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
  border-radius: 99px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(123, 111, 240, 0.25);
}

.hero-cta:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(123, 111, 240, 0.4);
}

.nav-feed-link {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-muted);
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.12);
  padding: 8px 20px;
  border-radius: 99px;
  transition: color 0.2s, border-color 0.2s;
}

.nav-feed-link:hover {
  color: var(--fg);
  border-color: rgba(255,255,255,0.3);
}

.nav-pricing-link {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

.hero-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.3px;
  border-radius: 99px;
  border: 1px solid rgba(255,255,255,0.12);
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.hero-cta-secondary:hover {
  color: var(--fg);
  border-color: rgba(255,255,255,0.3);
}

/* ── CRYSTAL TOWER VISUAL ── */
.hero-visual {
  position: relative;
  z-index: 2;
  margin-top: 60px;
}

.crystal-tower {
  position: relative;
  width: 200px;
  height: 280px;
  margin: 0 auto;
}

.crystal-shard {
  position: absolute;
  border-radius: 4px;
  opacity: 0.7;
}

.shard-1 {
  width: 60px;
  height: 180px;
  background: linear-gradient(180deg, var(--accent-1), transparent);
  left: 30px;
  bottom: 0;
  transform: skewX(-3deg);
}

.shard-2 {
  width: 50px;
  height: 220px;
  background: linear-gradient(180deg, var(--accent-2), transparent);
  left: 75px;
  bottom: 0;
  transform: skewX(2deg);
}

.shard-3 {
  width: 45px;
  height: 160px;
  background: linear-gradient(180deg, var(--accent-3), transparent);
  left: 115px;
  bottom: 0;
  transform: skewX(-4deg);
}

.shard-4 {
  width: 35px;
  height: 130px;
  background: linear-gradient(180deg, var(--accent-4), transparent);
  left: 10px;
  bottom: 0;
  transform: skewX(5deg);
}

.crystal-core {
  position: absolute;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  left: 50%;
  top: 20px;
  transform: translateX(-50%);
  box-shadow: 0 0 40px rgba(123, 111, 240, 0.6), 0 0 80px rgba(56, 189, 248, 0.3);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 40px rgba(123, 111, 240, 0.6), 0 0 80px rgba(56, 189, 248, 0.3); }
  50% { box-shadow: 0 0 60px rgba(123, 111, 240, 0.8), 0 0 120px rgba(56, 189, 248, 0.5); }
}

/* ── PROBLEM ── */
.problem {
  padding: 120px 0;
  background: var(--bg-surface);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.problem p {
  color: var(--fg-muted);
  font-size: 17px;
  margin-bottom: 16px;
}

.problem-highlight {
  color: var(--fg) !important;
  font-weight: 500;
  font-size: 18px !important;
}

.app-scatter {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.scattered-app {
  padding: 14px 24px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--fg-muted);
  transform: translate(var(--x), var(--y)) rotate(calc(var(--x) * 0.1));
  animation: float 6s ease-in-out infinite;
  animation-delay: var(--delay);
}

@keyframes float {
  0%, 100% { transform: translate(var(--x), var(--y)); }
  50% { transform: translate(calc(var(--x) * -0.5), calc(var(--y) * -0.5)); }
}

/* ── PILLARS ── */
.pillars {
  padding: 120px 0;
}

.section-tag {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent-1);
  margin-bottom: 16px;
}

.pillars h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 60px;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.3s, transform 0.3s;
}

.pillar-card:hover {
  border-color: rgba(123, 111, 240, 0.3);
  transform: translateY(-4px);
}

.pillar-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-subtle);
  border-radius: 12px;
  margin-bottom: 20px;
  color: var(--accent-2);
}

.pillar-card:nth-child(2) .pillar-icon { color: var(--accent-1); }
.pillar-card:nth-child(3) .pillar-icon { color: var(--accent-3); }
.pillar-card:nth-child(4) .pillar-icon { color: var(--accent-4); }

.pillar-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.pillar-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ── HOW / TOWER ── */
.how {
  padding: 120px 0;
  background: var(--bg-surface);
}

.how-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 80px;
}

.how-left h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.how-left p {
  color: var(--fg-muted);
  font-size: 17px;
}

.tower-diagram {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 280px;
  margin: 0 auto;
}

.tower-floor {
  padding: 18px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  text-align: center;
  color: white;
}

.floor-4 { background: linear-gradient(90deg, rgba(52, 211, 153, 0.2), rgba(52, 211, 153, 0.05)); border: 1px solid rgba(52, 211, 153, 0.2); }
.floor-3 { background: linear-gradient(90deg, rgba(244, 114, 182, 0.2), rgba(244, 114, 182, 0.05)); border: 1px solid rgba(244, 114, 182, 0.2); }
.floor-2 { background: linear-gradient(90deg, rgba(123, 111, 240, 0.2), rgba(123, 111, 240, 0.05)); border: 1px solid rgba(123, 111, 240, 0.2); }
.floor-1 { background: linear-gradient(90deg, rgba(56, 189, 248, 0.2), rgba(56, 189, 248, 0.05)); border: 1px solid rgba(56, 189, 248, 0.2); }

.tower-base {
  padding: 22px 24px;
  background: var(--gradient-subtle);
  border: 1px solid rgba(123, 111, 240, 0.25);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  text-align: center;
  color: white;
}

.specs-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 60px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.spec {
  text-align: center;
}

.spec-value {
  display: block;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

.spec-label {
  font-size: 13px;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── CLOSING ── */
.closing {
  padding: 140px 0;
  text-align: center;
}

.closing-content {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 28px;
}

.closing p {
  font-size: 18px;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.closing-tagline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px !important;
  color: var(--fg) !important;
  margin-top: 32px !important;
}

/* ── FOOTER ── */
.footer {
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
}

.footer-text {
  font-size: 13px;
  color: var(--fg-dim);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .how-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .specs-row {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .hero {
    padding: 100px 20px 60px;
    min-height: auto;
  }

  .nav {
    padding: 20px 24px;
  }
}

@media (max-width: 480px) {
  .pillar-grid {
    grid-template-columns: 1fr;
  }

  .specs-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ── PRICING ── */
.pricing {
  padding: 120px 0 80px;
}

.pricing-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-top: 16px;
  margin-bottom: 64px;
  max-width: 520px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(123, 111, 240, 0.12);
  border-radius: 20px;
  padding: 40px 36px;
  backdrop-filter: blur(12px);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-card--pro {
  border-color: rgba(123, 111, 240, 0.4);
  background: linear-gradient(135deg, rgba(123, 111, 240, 0.08) 0%, rgba(56, 189, 248, 0.05) 100%);
  box-shadow: 0 8px 40px rgba(123, 111, 240, 0.12);
}

.pricing-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--bg-deep);
  background: var(--gradient);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.pricing-tier-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--fg-muted);
  margin-bottom: 12px;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 12px;
}

.pricing-num {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -3px;
}

.pricing-card--pro .pricing-num {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-period {
  font-size: 1rem;
  color: var(--fg-muted);
}

.pricing-desc {
  color: var(--fg-muted);
  font-size: 0.95rem;
  margin-bottom: 28px;
  line-height: 1.5;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--fg);
}

.feature-check {
  color: var(--accent-4);
  font-weight: 700;
  min-width: 16px;
}

.feature-muted {
  color: var(--fg-dim);
  min-width: 16px;
}

.pricing-features li:has(.feature-muted) {
  color: var(--fg-muted);
}

.btn-primary {
  display: block;
  width: 100%;
  padding: 14px 24px;
  background: var(--gradient);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
  letter-spacing: 0.3px;
}

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

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  display: block;
  width: 100%;
  padding: 14px 24px;
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.25);
  color: var(--fg);
}

.pricing-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
  font-size: 0.8rem;
  color: var(--fg-dim);
  flex-wrap: wrap;
}

.pricing-callout {
  max-width: 560px;
  margin: 32px auto 0;
  padding: 20px 28px;
  background: rgba(244, 114, 182, 0.06);
  border: 1px solid rgba(244, 114, 182, 0.15);
  border-radius: 12px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

.pricing-callout strong {
  color: var(--fg);
}

/* ── EMAIL CAPTURE ── */
.email-capture {
  padding: 100px 0;
}

.capture-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

.capture-text h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.capture-text p {
  color: var(--fg-muted);
  line-height: 1.7;
}

.capture-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  width: 100%;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, background 0.2s ease;
  outline: none;
}

.form-input:focus {
  border-color: var(--accent-1);
  background: rgba(123, 111, 240, 0.06);
}

.form-input::placeholder {
  color: var(--fg-dim);
}

.form-submit {
  border: none;
  cursor: pointer;
}

.form-note {
  font-size: 0.78rem;
  color: var(--fg-dim);
  text-align: center;
}

.capture-success {
  text-align: center;
  padding: 32px;
  background: rgba(52, 211, 153, 0.06);
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: 16px;
}

.success-icon {
  font-size: 2rem;
  color: var(--accent-4);
  margin-bottom: 12px;
}

.success-msg {
  color: var(--fg);
  font-size: 1rem;
  font-weight: 500;
}

/* ── PAYMENT SUCCESS PAGE ── */
.payment-success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: var(--bg-deep);
}

.payment-success-card {
  background: var(--bg-card);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 8px 40px rgba(52, 211, 153, 0.08);
}

.payment-success-icon {
  width: 64px;
  height: 64px;
  background: rgba(52, 211, 153, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 1.8rem;
}

.payment-success-card h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.payment-success-card p {
  color: var(--fg-muted);
  margin-bottom: 32px;
  line-height: 1.6;
}

/* ── RESPONSIVE (PRICING + CAPTURE) ── */
@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .capture-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .pricing-num {
    font-size: 44px;
  }
}

@media (max-width: 480px) {
  .pricing {
    padding: 80px 0 60px;
  }

  .email-capture {
    padding: 60px 0;
  }

  .pricing-card {
    padding: 32px 24px;
  }
}