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

:root {
  --sage: #7C9082;
  --sage-dark: #5A6D62;
  --sage-light: #9AADA3;
  --cream: #F5F0E8;
  --cream-deep: #EDE6D8;
  --charcoal: #2E2E2E;
  --charcoal-light: #4A4A4A;
  --warm-white: #FDFBF7;
  --border: rgba(124, 144, 130, 0.25);

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;

  --section-pad: 100px 6vw;
  --container-max: 1200px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--warm-white);
  color: var(--charcoal);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAVIGATION === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 6vw;
  background: rgba(253, 251, 247, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--sage-dark);
  letter-spacing: -0.02em;
}

.nav-tagline {
  font-size: 0.78rem;
  color: var(--sage);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 6vw 80px;
  position: relative;
  overflow: hidden;
}

.hero-geo-left {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 380px;
  pointer-events: none;
}

.geo-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.35;
}

.geo-circle-1 {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, var(--sage-light) 0%, transparent 70%);
  top: 15%;
  left: -60px;
}

.geo-circle-2 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--sage) 0%, transparent 70%);
  bottom: 20%;
  left: 80px;
  opacity: 0.2;
}

.geo-bar {
  position: absolute;
  background: var(--sage);
  opacity: 0.15;
}

.geo-bar-1 {
  width: 3px;
  height: 180px;
  top: 30%;
  left: 200px;
}

.geo-bar-2 {
  width: 60px;
  height: 3px;
  top: 50%;
  left: 80px;
}

.hero-geo-right {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 320px;
  pointer-events: none;
}

.geo-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--sage);
  opacity: 0.12;
}

.geo-ring-1 {
  width: 260px;
  height: 260px;
  top: 25%;
  right: -40px;
}

.geo-ring-2 {
  width: 160px;
  height: 160px;
  bottom: 30%;
  right: 40px;
  opacity: 0.2;
}

.geo-dots {
  position: absolute;
  top: 40%;
  right: 60px;
  width: 100px;
  height: 100px;
  background-image: radial-gradient(var(--sage) 1.5px, transparent 1.5px);
  background-size: 12px 12px;
  opacity: 0.2;
}

.hero-content {
  max-width: 780px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 28px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--charcoal);
  margin-bottom: 28px;
}

.hero-lede {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.75;
  color: var(--charcoal-light);
  max-width: 580px;
  margin: 0 auto;
  font-weight: 300;
}

/* === NUMBERS === */
.numbers {
  padding: 100px 6vw;
  background: var(--cream);
  position: relative;
  overflow: hidden;
}

.numbers-bg-texture {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.4;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.number-card {
  background: var(--warm-white);
  padding: 48px 36px;
  border: 1px solid var(--border);
  text-align: center;
}

.number-value {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--sage-dark);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 14px;
}

.number-label {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--charcoal-light);
  font-weight: 400;
}

/* === METHODOLOGY === */
.methodology {
  padding: var(--section-pad);
  max-width: var(--container-max);
  margin: 0 auto;
}

.section-eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 16px;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--charcoal);
  margin-bottom: 64px;
  max-width: 500px;
  line-height: 1.2;
}

.method-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
}

.method-step { padding: 0 40px 0 0; }
.method-divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
  min-height: 200px;
}

.step-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--sage-light);
  opacity: 0.4;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 16px;
}

.step-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.step-body {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--charcoal-light);
  font-weight: 300;
}

/* === MANIFESTO === */
.manifesto {
  background: var(--charcoal);
  padding: 100px 6vw;
}

.manifesto-inner {
  max-width: 760px;
  margin: 0 auto;
}

.manifesto-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 400;
  font-style: italic;
  color: var(--cream);
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}

.manifesto-body {
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(245, 240, 232, 0.55);
  font-weight: 300;
}

/* === CLOSING === */
.closing {
  padding: var(--section-pad);
  background: var(--warm-white);
}

.closing-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--charcoal);
  margin-bottom: 28px;
  max-width: 600px;
  line-height: 1.2;
}

.closing-body {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--charcoal-light);
  max-width: 560px;
  font-weight: 300;
  margin-bottom: 52px;
}

.closing-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.closing-stat {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stat-line {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--sage);
  text-transform: uppercase;
}

/* === FOOTER === */
.footer {
  background: var(--sage);
  padding: 60px 6vw;
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.footer-sub {
  font-size: 0.85rem;
  color: rgba(245, 240, 232, 0.6);
  margin-bottom: 6px;
}

.footer-note {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.85rem;
  color: rgba(245, 240, 232, 0.5);
}

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

  .method-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .method-divider { display: none; }
  .method-step { padding: 0; }
}

@media (max-width: 600px) {
  .numbers-grid {
    grid-template-columns: 1fr;
  }

  .hero-headline { font-size: 2.2rem; }
  .closing-stats { flex-direction: column; gap: 16px; }
}