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

:root {
  --bg: #0C1B33;
  --bg-2: #0F2040;
  --bg-card: #132848;
  --fg: #F0F4F8;
  --fg-muted: #8DA3BC;
  --teal: #00D9A8;
  --coral: #FF6B4A;
  --navy-light: #1A3560;
  --border: rgba(0, 217, 168, 0.15);
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Instrument Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

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

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 217, 168, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 217, 168, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 100%);
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(0, 217, 168, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 28px;
}

.label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px var(--teal);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 12px var(--teal); }
  50% { opacity: 0.6; box-shadow: 0 0 4px var(--teal); }
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-headline em {
  font-style: italic;
  color: var(--coral);
}

.hero-lede {
  font-size: 20px;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.65;
  margin-bottom: 52px;
}

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

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

.stat-num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 400;
  color: var(--teal);
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 500;
}

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

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 16px;
}

.problem-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  color: var(--fg);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2px;
}

.problem-card {
  background: var(--bg-card);
  padding: 36px 32px;
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}

.problem-card:hover { border-color: rgba(0, 217, 168, 0.35); }

.problem-icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 107, 74, 0.1);
  border: 1px solid rgba(255, 107, 74, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--coral);
  margin-bottom: 20px;
}

.problem-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}

.problem-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== HOW ===== */
.how { padding: 100px 0; }

.how-header { text-align: center; margin-bottom: 72px; }

.how-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  color: var(--fg);
  margin-bottom: 20px;
}

.how-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.65;
}

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

.flow-step {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 32px 28px;
  max-width: 260px;
  width: 100%;
  transition: border-color 0.2s;
}

.flow-step:hover { border-color: rgba(0, 217, 168, 0.35); }

.flow-num {
  font-family: var(--font-serif);
  font-size: 40px;
  color: var(--teal);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 16px;
}

.flow-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}

.flow-body p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

.flow-arrow {
  color: var(--teal);
  opacity: 0.5;
  flex-shrink: 0;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.features-inner { text-align: center; }

.features-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 400;
  color: var(--fg);
  margin-bottom: 56px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2px;
  text-align: left;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 32px 28px;
  transition: border-color 0.2s;
}

.feature-card:hover { border-color: rgba(0, 217, 168, 0.35); }

.feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 217, 168, 0.08);
  border: 1px solid rgba(0, 217, 168, 0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== PIPELINE ===== */
.pipeline {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

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

.pipeline-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 400;
  color: var(--fg);
  margin-bottom: 16px;
}

.pipeline-text > p {
  font-size: 16px;
  color: var(--fg-muted);
  margin-bottom: 32px;
  line-height: 1.65;
}

.int-label {
  display: block;
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 500;
  margin-bottom: 14px;
}

.int-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.int-chip {
  background: rgba(0, 217, 168, 0.08);
  border: 1px solid rgba(0, 217, 168, 0.2);
  color: var(--teal);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
}

.pipeline-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.pipe-block {
  border: 1px solid var(--border);
  padding: 20px;
  min-width: 120px;
  text-align: center;
  background: var(--bg-2);
}

.pipe-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 12px;
}

.pipe-icons {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
}

.pipe-icon {
  background: var(--navy-light);
  border: 1px solid rgba(0, 217, 168, 0.15);
  color: var(--teal);
  font-size: 11px;
  font-weight: 700;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}

.pipe-core { border-color: rgba(0, 217, 168, 0.3); background: rgba(0, 217, 168, 0.04); }

.pipe-core-inner {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pipe-sub {
  background: var(--bg-card);
  border: 1px solid rgba(0, 217, 168, 0.15);
  color: var(--teal);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 6px;
}

.pipe-arrow { color: var(--teal); opacity: 0.4; flex-shrink: 0; }

/* ===== CLOSING ===== */
.closing {
  padding: 120px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  text-align: center;
}

.closing-inner { max-width: 600px; margin: 0 auto; }

.closing h2 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  color: var(--fg);
  margin-bottom: 20px;
}

.closing p {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 40px;
}

.cta-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--teal);
  text-decoration: none;
  padding: 14px 28px;
  border: 1px solid rgba(0, 217, 168, 0.3);
  transition: all 0.2s;
  letter-spacing: 0.01em;
}

.cta-link:hover {
  background: rgba(0, 217, 168, 0.08);
  border-color: var(--teal);
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand { max-width: 280px; }

.footer-logo {
  display: block;
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--fg);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 13px;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 80px 0 72px; }
  .hero-proof { gap: 20px; }
  .proof-divider { display: none; }
  .pipeline-inner { grid-template-columns: 1fr; gap: 48px; }
  .how-flow { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
  .footer-inner { flex-direction: column; }
  .footer-links { gap: 16px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 40px; }
  .hero-lede { font-size: 17px; }
  .stat-num { font-size: 26px; }
  .problem-grid, .features-grid { grid-template-columns: 1fr; }
}