/* === BASE === */
:root {
  --bg: #FAF8F5;
  --bg-alt: #F0EBE3;
  --ink: #161413;
  --ink-muted: #6B6560;
  --accent: #D94F1E;
  --accent-dark: #B33D15;
  --border: #E0D9CF;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Plus Jakarta Sans', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.nav-logo {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.nav-tagline {
  font-size: 13px;
  color: var(--ink-muted);
  font-weight: 400;
}

/* === HERO === */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 40px 60px;
  position: relative;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero-headline {
  font-family: var(--serif);
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 32px;
  max-width: 800px;
}

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

.hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink-muted);
  max-width: 560px;
  margin-bottom: 48px;
  font-weight: 400;
}

.hero-niches {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.niche-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--ink);
  color: var(--bg);
  font-size: 13px;
  font-weight: 500;
  border-radius: 2px;
}

/* === NICHES === */
.niches-section {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 40px;
}

.niches-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.niches-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 36px;
}

.niches-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
}

.niche-item {
  padding: 28px 24px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.niche-item:nth-child(4n) {
  border-right: none;
}

.niche-item:nth-last-child(-n+4):nth-child(4n+1),
.niche-item:nth-last-child(-n+4):nth-child(4n+2),
.niche-item:nth-last-child(-n+4):nth-child(4n+3) {
  border-bottom: none;
}

.niche-icon {
  font-size: 22px;
  margin-bottom: 10px;
  display: block;
}

.niche-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}

/* === SERVICES === */
.services-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 40px;
}

.services-header {
  margin-bottom: 60px;
}

.services-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.services-headline {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 640px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.service-card {
  background: var(--bg);
  padding: 40px 32px;
  position: relative;
}

.service-number {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-title {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-muted);
  font-weight: 400;
}

/* === DIFFERENCE === */
.difference-section {
  background: var(--ink);
  color: var(--bg);
  padding: 100px 40px;
}

.difference-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.diff-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.diff-headline {
  font-family: var(--serif);
  font-size: clamp(24px, 3.5vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--bg);
  margin-bottom: 20px;
}

.diff-body {
  font-size: 16px;
  line-height: 1.65;
  color: #9A948C;
  font-weight: 400;
}

.diff-pillars {
  display: grid;
  gap: 32px;
}

.diff-pillar {
  border-left: 2px solid var(--accent);
  padding-left: 20px;
}

.diff-pillar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--bg);
  margin-bottom: 6px;
}

.diff-pillar-desc {
  font-size: 14px;
  color: #9A948C;
  line-height: 1.55;
}

/* === CLOSING === */
.closing-section {
  padding: 100px 40px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.closing-headline {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 28px;
}

.closing-headline em {
  font-style: italic;
  color: var(--accent);
}

.closing-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink-muted);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 400;
}

/* === FOOTER === */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 48px 40px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-logo {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.footer-tagline {
  font-size: 14px;
  color: var(--ink-muted);
  margin-top: 4px;
}

.footer-copy {
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 16px;
  font-weight: 400;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .niches-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .niche-item:nth-child(4n) {
    border-right: 1px solid var(--border);
  }

  .niche-item:nth-child(2n) {
    border-right: none;
  }

  .niche-item:nth-last-child(-n+4):nth-child(4n+1),
  .niche-item:nth-last-child(-n+4):nth-child(4n+2) {
    border-bottom: 1px solid var(--border);
  }

  .niche-item:nth-last-child(-n+2):nth-child(2n+1) {
    border-bottom: none;
  }

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

  .difference-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 640px) {
  .nav {
    padding: 16px 24px;
  }

  .hero {
    padding: 48px 24px 40px;
  }

  .hero-headline {
    font-size: 42px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .niches-section {
    padding: 40px 24px;
  }

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

  .niche-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
  }

  .niche-item:last-child {
    border-bottom: none;
  }

  .services-section {
    padding: 60px 24px;
  }

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

  .service-card {
    padding: 28px 0;
  }

  .difference-section {
    padding: 60px 24px;
  }

  .closing-section {
    padding: 60px 24px;
  }

  .closing-headline {
    font-size: 32px;
  }

  .footer {
    padding: 40px 24px;
  }
}