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

:root {
  --midnight: #0b1421;
  --surface: #111c2d;
  --surface-2: #162035;
  --border: rgba(255,255,255,0.06);
  --teal: #00e5c0;
  --teal-dim: rgba(0,229,192,0.15);
  --teal-glow: rgba(0,229,192,0.08);
  --text: #e8eaf0;
  --text-dim: rgba(232,234,240,0.55);
  --text-darker: rgba(232,234,240,0.3);
  --font-head: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

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

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

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,229,192,0.12) 0%, transparent 70%);
  top: -100px;
  right: -100px;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%);
  bottom: -50px;
  left: 20%;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-left {}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 28px;
  letter-spacing: 0.01em;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--teal);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(3rem, 5.5vw, 4.8rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--text);
}

.hero-headline .teal { color: var(--teal); }

.hero-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 440px;
  margin-bottom: 32px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  background: var(--teal-dim);
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 100px;
  letter-spacing: 0.02em;
}

/* PRODUCT STACK */
.hero-right {}

.product-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: border-color 0.2s, transform 0.2s;
}

.product-card:hover {
  border-color: rgba(0,229,192,0.3);
  transform: translateX(4px);
}

.product-card-1 { animation-delay: 0s; }
.product-card-2 { animation-delay: 0.1s; }
.product-card-3 { animation-delay: 0.2s; }

.card-icon {
  width: 40px;
  height: 40px;
  background: var(--teal-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-text { flex: 1; }

.card-title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.card-meta {
  font-size: 0.78rem;
  color: var(--text-darker);
}

.card-price {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--teal);
}

.revenue-row {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(0,229,192,0.06) 100%);
  border: 1px solid rgba(0,229,192,0.2);
  border-radius: 16px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.revenue-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-darker);
}

.revenue-value {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1.1;
}

.revenue-breakdown {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* NICHE */
.niche {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.niche-inner { max-width: 1100px; margin: 0 auto; padding: 0 48px; }

.niche-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 48px;
}

.niche-grid {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 0;
  align-items: center;
  margin-bottom: 48px;
}

.niche-example {
  padding: 32px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.niche-wrong { border-color: rgba(255,255,255,0.06); opacity: 0.6; }
.niche-right { border-color: rgba(0,229,192,0.25); background: linear-gradient(135deg, var(--surface), rgba(0,229,192,0.04)); }

.example-type {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-darker);
  margin-bottom: 12px;
}

.niche-right .example-type { color: var(--teal); }

.niche-example h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
}

.niche-example p { font-size: 0.88rem; color: var(--text-dim); line-height: 1.65; }

.niche-divider { display: flex; justify-content: center; align-items: center; }

.niche-rule {
  border-top: 1px solid var(--border);
  padding-top: 40px;
}

.niche-rule p {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-dim);
  line-height: 1.5;
  text-align: center;
}

/* MATH */
.math {
  padding: 100px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.math-inner { max-width: 1100px; margin: 0 auto; padding: 0 48px; }

.math-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 20px;
}

.math-headline {
  font-family: var(--font-head);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  color: var(--text);
}

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

.math-card {
  background: var(--midnight);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 24px;
  transition: border-color 0.2s;
}

.math-card:hover { border-color: rgba(0,229,192,0.2); }

.math-number {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--teal);
  margin-bottom: 8px;
  line-height: 1;
}

.math-desc {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.math-detail {
  font-size: 0.82rem;
  color: var(--text-darker);
  line-height: 1.55;
}

/* PRINCIPLES */
.principles {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.principles-inner { max-width: 1100px; margin: 0 auto; padding: 0 48px; }

.principles-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 20px;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
}

.principle {
  background: var(--surface);
  padding: 32px 24px;
}

.principle-num {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.principle h3 {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.principle p { font-size: 0.82rem; color: var(--text-dim); line-height: 1.65; }

/* MANIFESTO */
.manifesto {
  padding: 100px 0 120px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.manifesto-inner { max-width: 860px; margin: 0 auto; padding: 0 48px; text-align: center; }

blockquote {
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 2.5vw, 2rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 40px;
  font-style: normal;
}

.manifesto-cta {
  background: linear-gradient(135deg, var(--midnight), rgba(0,229,192,0.05));
  border: 1px solid rgba(0,229,192,0.2);
  border-radius: 20px;
  padding: 28px 36px;
}

.manifesto-cta p {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.footer-brand p {
  font-size: 0.82rem;
  color: var(--text-darker);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-darker);
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--teal); }
.footer-sep { color: var(--border); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 0 24px;
  }
  .hero-left { text-align: left; }
  .math-cards { grid-template-columns: repeat(2, 1fr); }
  .principles-grid { grid-template-columns: 1fr; }
  .niche-grid { grid-template-columns: 1fr; gap: 16px; }
  .niche-divider { display: none; }
  .hero, .niche, .math, .principles, .manifesto { padding: 72px 0; }
  .niche-inner, .math-inner, .principles-inner, .manifesto-inner, .footer-inner { padding: 0 24px; }
}

/* PRODUCT SECTION */
.product-section {
  padding: 100px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.product-inner { max-width: 1100px; margin: 0 auto; padding: 0 48px; }

.product-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 48px;
}

.product-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.product-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.product-cover-img {
  width: 100%;
  display: block;
  border-radius: 20px;
}

.product-img-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,229,192,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.product-tag {
  display: inline-block;
  background: var(--teal-dim);
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.product-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.1;
}

.product-desc {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 28px;
}

.product-includes { margin-bottom: 32px; }

.includes-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-darker);
  margin-bottom: 12px;
}

.includes-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.includes-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.check-icon {
  flex-shrink: 0;
  margin-top: 1px;
}

.product-pricing {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 24px;
}

.price-tag {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
}

.price-note {
  font-size: 0.82rem;
  color: var(--text-darker);
}

.product-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal);
  color: var(--midnight);
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 12px;
  text-decoration: none;
  margin-bottom: 12px;
  transition: opacity 0.2s, transform 0.2s;
}

.product-cta:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.product-social-proof {
  font-size: 0.78rem;
  color: var(--text-darker);
}

@media (max-width: 900px) {
  .product-hero { grid-template-columns: 1fr; gap: 40px; }
  .product-inner { padding: 0 24px; }
  .product-section { padding: 72px 0; }
}

@media (max-width: 480px) {
  .math-cards { grid-template-columns: 1fr; }
  .hero-headline { font-size: 2.6rem; }
  .revenue-value { font-size: 1.6rem; }
}