/* === BASE === */
:root {
  --slate:       #1c2b3a;
  --slate-light: #2a3d52;
  --amber:       #d4920f;
  --amber-light: #e8b245;
  --amber-dark:  #a67209;
  --cream:       #faf7f2;
  --cream-deep:  #f0ebe1;
  --indigo:      #3d4f7c;
  --text:        #1c2b3a;
  --text-muted:  #5a6d7e;
  --text-light:  #8a9bb0;
  --border:      #e2dbd0;
  --border-dark: #c8bfb2;
}

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

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

body {
  background: var(--cream);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
  font-family: 'Libre Baskerville', Georgia, serif;
  line-height: 1.2;
  color: var(--slate);
}

/* === NAV === */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-logo {
  font-family: 'Libre Baskerville', serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--slate);
  letter-spacing: -0.01em;
}

.nav-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--cream);
  padding-top: 56px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-mountain {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 100px 48px 100px;
  max-width: 760px;
  padding-left: max(48px, calc((100vw - 760px) / 2 + 48px));
  padding-right: 48px;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}

.hero-headline {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  color: var(--slate);
  line-height: 1.1;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 580px;
  margin-bottom: 40px;
}

.hero-detail {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-left: 3px solid var(--amber);
  padding-left: 16px;
  max-width: 520px;
}

.hero-detail-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber-dark);
  white-space: nowrap;
}

.hero-detail-value {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* === STATS === */
.stats-section {
  background: var(--slate);
  padding: 0 48px;
}

.stats-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: stretch;
  gap: 0;
}

.stat-item {
  flex: 1;
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-num {
  font-family: 'Libre Baskerville', serif;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
  margin-top: 4px;
}

.stat-context {
  font-size: 0.75rem;
  color: var(--text-light);
  opacity: 0.7;
  line-height: 1.4;
}

.stat-divider {
  width: 1px;
  background: rgba(255,255,255,0.1);
  align-self: stretch;
  margin: 24px 0;
}

/* === APPROACH === */
.approach-section {
  background: var(--cream-deep);
  padding: 96px 48px;
}

.approach-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.approach-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}

.approach-headline {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--slate);
  line-height: 1.3;
  grid-column: 1 / -1;
  margin-bottom: 32px;
}

.approach-body p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.approach-aside {
  border-left: 3px solid var(--amber);
  padding-left: 24px;
}

.approach-aside blockquote {
  font-family: 'Libre Baskerville', serif;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--slate);
  line-height: 1.6;
}

.approach-aside cite {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 12px;
  font-style: normal;
  letter-spacing: 0.02em;
}

/* === FEATURES === */
.features-section {
  background: var(--cream);
  padding: 96px 48px;
}

.features-header {
  max-width: 1280px;
  margin: 0 auto 64px;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}

.features-headline {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--slate);
  line-height: 1.3;
  max-width: 560px;
}

.features-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}

.feature-card {
  background: var(--cream);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-card--accent {
  background: var(--slate);
}

.feature-card--accent .feature-title {
  color: #fff;
}

.feature-card--accent .feature-desc {
  color: rgba(255,255,255,0.72);
}

.feature-card--accent .feature-list li {
  color: rgba(255,255,255,0.6);
}

.feature-card--accent .feature-list li::before {
  background: var(--amber);
}

.feature-card--accent .feature-icon svg rect,
.feature-card--accent .feature-icon svg line,
.feature-card--accent .feature-icon svg path,
.feature-card--accent .feature-icon svg circle {
  stroke: var(--amber-light);
}

.feature-card--accent .feature-icon svg rect[fill] {
  fill: var(--amber-light);
}

.feature-card--wide {
  grid-column: 1 / -1;
}

.feature-icon svg {
  display: block;
}

.feature-title {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--slate);
  line-height: 1.3;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.feature-list li {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  opacity: 0.6;
}

/* === PRINCIPLES === */
.principles-section {
  background: var(--cream-deep);
  padding: 96px 48px;
}

.principles-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.principles-headline {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--slate);
  line-height: 1.3;
  max-width: 640px;
  margin: 16px 0 64px;
}

.principles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 80px;
}

.principle {
  border-top: 1px solid var(--border-dark);
  padding-top: 24px;
}

.principle-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--amber);
  display: block;
  margin-bottom: 12px;
}

.principle-title {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate);
  margin-bottom: 10px;
}

.principle-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* === CLOSING === */
.closing-section {
  background: var(--slate);
  padding: 120px 48px;
}

.closing-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.closing-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 28px;
}

.closing-headline {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  max-width: 680px;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.closing-body {
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 40px;
}

.closing-vision {
  max-width: 540px;
}

.closing-vision p {
  font-family: 'Libre Baskerville', serif;
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  font-style: italic;
}

.closing-vision p:last-child {
  margin-top: 16px;
  color: var(--amber-light);
  font-style: normal;
}

/* === FOOTER === */
.site-footer {
  background: #111d27;
  padding: 48px 48px;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 48px;
}

.footer-logo {
  font-family: 'Libre Baskerville', serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  display: block;
  margin-bottom: 10px;
}

.footer-mission {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  max-width: 260px;
  line-height: 1.5;
}

.footer-note {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
  line-height: 1.6;
  max-width: 380px;
  margin-bottom: 8px;
}

.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.2);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .approach-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .approach-headline {
    grid-column: auto;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .principles-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .stats-grid {
    flex-wrap: wrap;
  }
  .stat-divider { display: none; }
  .stat-item { flex: 0 0 calc(50% - 16px); }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
  }
}

@media (max-width: 600px) {
  .hero-content,
  .stats-section,
  .approach-section,
  .features-section,
  .principles-section,
  .closing-section {
    padding-left: 24px;
    padding-right: 24px;
  }
  .stat-item {
    flex: 0 0 100%;
    padding: 32px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .nav-inner { padding: 0 24px; }
  .nav-tagline { display: none; }
}