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

:root {
  --bg: #0f0e0d;
  --bg-2: #1a1816;
  --fg: #f5f0e8;
  --fg-muted: rgba(245, 240, 232, 0.45);
  --fg-dim: rgba(245, 240, 232, 0.2);
  --accent: #c8956c;
  --accent-dim: rgba(200, 149, 108, 0.15);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* === TYPOGRAPHY === */
h1, h2, h3 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.section-label {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  display: block;
  margin-bottom: 2rem;
}

/* === BREATH HERO === */
.breath-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 50%, #1c1917 0%, var(--bg) 70%);
}

.breath-rings {
  position: relative;
  width: 340px;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0;
  animation: breathExpand 8s ease-in-out infinite;
}

.ring-1 { width: 140px; height: 140px; animation-delay: 0s; }
.ring-2 { width: 200px; height: 200px; animation-delay: 0.8s; }
.ring-3 { width: 270px; height: 270px; animation-delay: 1.6s; }
.ring-4 { width: 340px; height: 340px; animation-delay: 2.4s; }

@keyframes breathExpand {
  0%   { opacity: 0; transform: scale(0.85); }
  15%  { opacity: 0.7; }
  40%  { opacity: 0.3; transform: scale(1); }
  60%  { opacity: 0; transform: scale(1.05); }
  100% { opacity: 0; transform: scale(1.05); }
}

.breath-center {
  position: relative;
  z-index: 2;
  animation: breathPulse 8s ease-in-out infinite;
}

@keyframes breathPulse {
  0%, 100% { transform: scale(1); }
  25%      { transform: scale(1.06); }
  50%      { transform: scale(1); }
  75%      { transform: scale(0.97); }
}

.breath-icon {
  width: 120px;
  height: 120px;
}

.hero-text {
  margin-top: 3rem;
  text-align: center;
  z-index: 2;
}

.hero-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.hero-sub {
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-weight: 400;
}

.scroll-hint {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollFade 2s ease-in-out infinite;
}

.scroll-label {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

@keyframes scrollFade {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.1); }
}

/* === CONCEPT === */
.concept {
  padding: 8rem 2rem;
  background: var(--bg-2);
}

.concept-inner {
  max-width: 680px;
  margin: 0 auto;
}

.concept-heading {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 2rem;
}

.concept-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 4rem;
}

.concept-body p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.8;
}

.concept-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--fg-dim);
}

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

.stat-number {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--fg-dim);
}

/* === TECHNIQUES === */
.techniques {
  padding: 8rem 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.technique-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.technique-card {
  background: var(--bg-2);
  border: 1px solid rgba(200, 149, 108, 0.1);
  border-radius: 2px;
  padding: 2rem 1.75rem;
  transition: border-color 0.3s ease;
}

.technique-card:hover {
  border-color: rgba(200, 149, 108, 0.3);
}

.technique-icon {
  margin-bottom: 1.25rem;
}

.technique-icon svg {
  width: 48px;
  height: 48px;
}

.technique-card h3 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 0.5rem;
  font-family: 'Cormorant Garamond', Georgia, serif;
}

.technique-card p {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

.techniques-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}

/* === PHILOSOPHY === */
.philosophy {
  padding: 8rem 2rem;
  background: var(--bg-2);
}

.philosophy-inner {
  max-width: 680px;
  margin: 0 auto;
}

.philosophy-quote {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 300;
  font-style: italic;
  color: var(--fg);
  line-height: 1.4;
  margin-bottom: 3rem;
  padding-left: 2rem;
  border-left: 1px solid var(--accent);
}

.philosophy-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.philosophy-body p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.8;
}

/* === CLOSING === */
.closing {
  padding: 10rem 2rem;
  text-align: center;
}

.closing-statement {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  font-weight: 300;
  color: var(--fg);
  line-height: 1.35;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.closing-breath-cycle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.cycle-phase {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.cycle-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

/* === FOOTER === */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--fg-dim);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  color: var(--fg);
}

.footer-tagline {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

/* === RESPONSIVE === */
@media (max-width: 640px) {
  .breath-rings {
    width: 260px;
    height: 260px;
  }

  .technique-grid {
    grid-template-columns: 1fr;
  }

  .concept-stats {
    gap: 1.25rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .closing-breath-cycle {
    gap: 1rem;
  }
}

/* === ANIMATIONS === */
@media (prefers-reduced-motion: no-preference) {
  .ring, .breath-center, .scroll-line {
    will-change: transform, opacity;
  }
}