/* === TOKENS === */
:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --surface-2: #1a1a24;
  --accent: #2563eb;
  --accent-glow: rgba(37, 99, 235, 0.2);
  --highlight: #f97316;
  --text: #e8e8f0;
  --text-muted: #7a7a96;
  --border: rgba(255,255,255,0.06);
  --radius: 10px;
  --font-head: 'Syne', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* === HEADER === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 40px;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.wordmark {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.03em;
  color: var(--text);
}
.tagline {
  font-size: 13px;
  color: var(--text-muted);
  border-left: 1px solid var(--border);
  padding-left: 16px;
  margin-left: 4px;
}

/* === HERO === */
.hero {
  padding: 80px 40px 100px;
}
.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 440px;
  line-height: 1.7;
}
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* === CONCEPT CARDS === */
.concept-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: border-color 0.2s;
}
.concept-card:hover { border-color: rgba(37,99,235,0.4); }
.concept-card--dimmed { opacity: 0.5; }
.card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.card-title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.card-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.5;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
}
.meta-item {
  font-size: 11px;
  color: var(--text-muted);
}
.meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.5;
}
.card-score {
  display: flex;
  align-items: center;
  gap: 10px;
}
.score-label {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}
.score-bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}
.score-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
}
.score-fill--low { background: var(--highlight); }
.score-val {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  min-width: 44px;
  text-align: right;
}

/* === PROBLEM === */
.problem {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 40px;
}
.problem-inner { max-width: 1200px; margin: 0 auto; }
.problem-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--highlight);
  margin-bottom: 36px;
}
.problem-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.problem-statement p {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}
.problem-right { display: flex; flex-direction: column; gap: 28px; padding-top: 8px; }
.stat-block {
  border-left: 2px solid var(--accent);
  padding-left: 20px;
}
.stat-num {
  font-family: var(--font-head);
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 6px;
}
.stat-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* === FEATURES === */
.features { padding: 100px 40px; }
.features-inner { max-width: 1200px; margin: 0 auto; }
.features-header { margin-bottom: 56px; }
.features-title {
  font-family: var(--font-head);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.feature-item {
  background: var(--surface);
  padding: 32px 28px;
  transition: background 0.2s;
}
.feature-item:hover { background: var(--surface-2); }
.feature-icon {
  color: var(--accent);
  margin-bottom: 16px;
}
.feature-name {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.feature-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* === DAILY RHYTHM === */
.daily-rhythm {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 40px;
}
.rhythm-inner { max-width: 1200px; margin: 0 auto; }
.rhythm-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 48px;
}
.rhythm-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
}
.rhythm-timeline::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, var(--accent), transparent);
}
.timeline-item { padding-top: 56px; }
.timeline-time {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
}
.timeline-content h4 {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.timeline-content p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* === CLOSING === */
.closing {
  padding: 100px 40px 120px;
}
.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.closing-rule {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  margin: 0 auto 48px;
}
.closing-headline {
  font-family: var(--font-head);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 28px;
}
.closing-body {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 48px;
  line-height: 1.7;
}
.closing-footer { margin-top: 40px; }
.closing-tag {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* === PRICING === */
.pricing { padding: 100px 40px; }
.pricing-inner { max-width: 1200px; margin: 0 auto; }
.pricing-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--highlight);
  margin-bottom: 20px;
}
.pricing-title {
  font-family: var(--font-head);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 52px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 860px;
}
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.pricing-card--highlight {
  border-color: rgba(249, 115, 22, 0.3);
  background: linear-gradient(160deg, #12100d 0%, var(--surface) 60%);
}
.pricing-card-header { margin-bottom: 28px; }
.pricing-tier {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.pricing-card--highlight .pricing-tier { color: var(--highlight); }
.pricing-price {
  font-family: var(--font-head);
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 6px;
}
.pricing-period {
  font-size: 18px;
  font-weight: 400;
  color: var(--text-muted);
}
.pricing-tag {
  font-size: 13px;
  color: var(--text-muted);
}
.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pricing-features li {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  padding-left: 20px;
  position: relative;
}
.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.pricing-card--highlight .pricing-features li::before { background: var(--highlight); }

/* Buttons */
.btn {
  display: inline-block;
  text-align: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 8px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}
.btn-primary:hover {
  background: #1d4ed8;
  border-color: #1d4ed8;
}
.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid rgba(249,115,22,0.4);
}
.btn-secondary:hover {
  background: rgba(249,115,22,0.15);
  border-color: var(--highlight);
}

/* === FOOTER === */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-wordmark {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15px;
  color: var(--text);
  display: block;
  margin-bottom: 4px;
}
.footer-desc {
  font-size: 12px;
  color: var(--text-muted);
}
.footer-meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .problem-content { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .rhythm-timeline { grid-template-columns: 1fr 1fr; gap: 24px; }
  .rhythm-timeline::before { display: none; }
  .timeline-item { padding-top: 0; }
}
@media (max-width: 600px) {
  .hero { padding: 48px 24px 60px; }
  .problem { padding: 60px 24px; }
  .features { padding: 60px 24px; }
  .feature-grid { grid-template-columns: 1fr; }
  .daily-rhythm { padding: 60px 24px; }
  .rhythm-timeline { grid-template-columns: 1fr; }
  .closing { padding: 60px 24px 80px; }
  .site-footer { padding: 24px; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .wordmark { font-size: 16px; }
  .tagline { display: none; }
}