/* ============================================================
   RhythmOS — warm editorial, grounded wellness aesthetic
   ============================================================ */

:root {
  --cream: #FAF8F5;
  --warm-white: #F2EDE8;
  --charcoal: #1A1816;
  --terracotta: #C96E4B;
  --sage: #6B8F71;
  --dust: #D4C4B0;
  --ink: #2C2420;
  --muted: #7A6E66;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;

  --max-w: 1100px;
}

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

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

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- NAV ---- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem var(--space-md);
  max-width: var(--max-w);
  margin: 0 auto;
  border-bottom: 1px solid var(--dust);
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--charcoal);
}

.nav-tagline {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---- HERO ---- */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  border-bottom: 1px solid var(--dust);
}

.hero-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--terracotta);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.2rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--charcoal);
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}

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

.hero-body p {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1rem;
  max-width: 480px;
}

.hero-aside {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--charcoal);
  line-height: 1;
}

.stat-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* cycle ring */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.cycle-ring {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 50%;
}

.ring-arc {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 40px solid transparent;
}

.ring-rest  { border-color: #E8D5C4; transform: rotate(0deg); }
.ring-rise   { border-color: #C9D4C0; transform: rotate(90deg); }
.ring-shine  { border-color: #D4C4A8; transform: rotate(180deg); }
.ring-slow   { border-color: #C4BDD4; transform: rotate(270deg); }

.cycle-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--cream);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-family: var(--font-display);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.center-label { width: 50%; text-align: center; }

/* ---- MANIFESTO ---- */
.manifesto {
  background: var(--warm-white);
  padding: var(--space-xl) var(--space-md);
}

.manifesto-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.manifesto-overline {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--terracotta);
  margin-bottom: 1.5rem;
}

.manifesto-headline {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  font-weight: 300;
  color: var(--charcoal);
  line-height: 1.15;
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}

.manifesto-body p {
  font-size: 1rem;
  color: var(--ink);
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.manifesto-quote {
  margin-top: 2.5rem;
  padding: 2rem 2.5rem;
  border-left: 3px solid var(--terracotta);
  text-align: left;
}

.manifesto-quote blockquote p {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--charcoal);
  line-height: 1.5;
  margin: 0;
}

/* ---- HOW IT WORKS ---- */
.how-it-works {
  padding: var(--space-xl) var(--space-md);
  max-width: var(--max-w);
  margin: 0 auto;
  border-bottom: 1px solid var(--dust);
}

.how-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.how-overline {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--terracotta);
  margin-bottom: 1rem;
}

.how-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 400;
  color: var(--charcoal);
}

.parts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.part-card {
  padding: 2.5rem;
  border: 1px solid var(--dust);
  border-radius: 4px;
  background: var(--cream);
  position: relative;
}

.part-number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 300;
  color: var(--dust);
  line-height: 1;
  margin-bottom: 1rem;
}

.part-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 0.8rem;
}

.part-desc {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.part-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.part-features li {
  font-size: 0.85rem;
  color: var(--ink);
  padding: 0.3rem 0;
  padding-left: 1rem;
  position: relative;
}

.part-features li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--terracotta);
}

.part-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.phase-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 2rem;
  background: var(--warm-white);
  border-radius: 4px;
}

.phase-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: center;
  text-align: center;
}

.phase-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  margin-bottom: 0.4rem;
}

.dot-rest  { background: #E8D5C4; }
.dot-rise   { background: #C9D4C0; }
.dot-shine  { background: #D4C4A8; }
.dot-slow   { background: #C4BDD4; }

.phase-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--charcoal);
}

.phase-desc {
  font-size: 0.75rem;
  color: var(--muted);
}

/* ---- PRICING ---- */
.pricing {
  background: var(--charcoal);
  color: var(--cream);
  padding: var(--space-xl) var(--space-md);
}

.pricing-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.pricing-header {
  text-align: center;
  margin-bottom: 3rem;
}

.pricing-overline {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--terracotta);
  margin-bottom: 1rem;
}

.pricing-headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 300;
  color: var(--cream);
  margin-bottom: 1rem;
  line-height: 1.1;
}

.pricing-sub {
  font-size: 0.95rem;
  color: var(--dust);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.pricing-card {
  max-width: 480px;
  margin: 0 auto 3rem;
  padding: 2.5rem;
  border: 1px solid rgba(250,248,245,0.15);
  border-radius: 4px;
  text-align: center;
}

.pricing-card-label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--dust);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.pricing-card-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 300;
  color: var(--cream);
  line-height: 1;
}

.price-note {
  font-size: 0.8rem;
  color: var(--dust);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pricing-includes {
  list-style: none;
  text-align: left;
  margin-bottom: 2rem;
}

.pricing-includes li {
  font-size: 0.88rem;
  color: var(--warm-white);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(250,248,245,0.08);
}

.pricing-includes li:last-child { border-bottom: none; }

.pricing-note {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 1rem;
}

.pricing-differentiator {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  max-width: 480px;
  margin: 0 auto;
}

.diff-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--dust);
}

.diff-icon {
  color: var(--sage);
  font-family: var(--font-display);
  font-size: 1.2rem;
}

/* ---- CLOSING ---- */
.closing {
  background: var(--warm-white);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing-number {
  margin-bottom: 2rem;
}

.closing-num-large {
  font-family: var(--font-display);
  font-size: clamp(6rem, 14vw, 11rem);
  font-weight: 300;
  color: var(--dust);
  line-height: 1;
  display: block;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  color: var(--charcoal);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.closing-body {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ---- FOOTER ---- */
.footer {
  background: var(--cream);
  border-top: 1px solid var(--dust);
  padding: 2.5rem var(--space-md);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--charcoal);
}

.footer-tagline {
  font-size: 0.78rem;
  color: var(--muted);
  font-style: italic;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--terracotta);
  text-decoration: none;
}

.footer-links a:hover { text-decoration: underline; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: var(--space-lg) var(--space-md);
    gap: var(--space-md);
  }

  .hero-visual { display: none; }

  .hero-headline { font-size: clamp(2.4rem, 8vw, 3.5rem); }

  .parts-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .phase-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-differentiator {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .nav { flex-direction: column; gap: 0.4rem; text-align: center; }

  .hero-aside { gap: 1.5rem; }
}

@media (max-width: 480px) {
  .manifesto-quote { padding: 1.2rem 1.5rem; }
  .pricing-card { padding: 2rem 1.5rem; }
}