/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #FAF7F2;
  --fg: #1A2B3C;
  --accent: #4A7C6B;
  --gold: #C4A35A;
  --muted: #8A9BAA;
  --surface: #F0EBE3;
  --border: #D9D3C8;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Nav --- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 5% 1.5rem;
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--fg);
  letter-spacing: 0.04em;
}

.nav-tagline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
  font-weight: 500;
}

/* --- Hero --- */
.hero {
  padding: 6rem 5% 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.hero-badge-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.35rem 0.75rem;
  border-radius: 2rem;
}

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 380px;
}

.hero-circle {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent), #3A6A59);
  opacity: 0.12;
}

.hero-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0.25;
}

.hero-ring-1 { width: 280px; height: 280px; }
.hero-ring-2 { width: 340px; height: 340px; opacity: 0.15; }
.hero-ring-3 { width: 400px; height: 400px; opacity: 0.08; }

/* --- Section shared --- */
.section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 400;
  line-height: 1.25;
  color: var(--fg);
  margin-bottom: 2rem;
}

/* --- Approach --- */
.approach {
  background: var(--fg);
  color: var(--bg);
  padding: 5rem 5%;
}

.approach-header {
  max-width: 1200px;
  margin: 0 auto 3.5rem;
}

.approach .section-label { color: var(--gold); }
.approach .section-title { color: var(--bg); }

.approach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.approach-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--gold);
  opacity: 0.5;
  margin-bottom: 1rem;
  line-height: 1;
}

.approach-item h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--bg);
  margin-bottom: 0.75rem;
}

.approach-item p {
  font-size: 0.875rem;
  color: #9AACBA;
  line-height: 1.7;
}

/* --- Formulation --- */
.formulation {
  padding: 5rem 5%;
}

.formulation-intro {
  max-width: 1200px;
  margin: 0 auto 3.5rem;
}

.formulation-desc {
  font-size: 1rem;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.75;
}

.ingredient-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.ingredient-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2rem 2rem 2.25rem;
}

.ingredient-icon {
  width: 40px;
  height: 40px;
  color: var(--accent);
  margin-bottom: 1rem;
}

.ingredient-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--fg);
  margin-bottom: 0.75rem;
}

.ingredient-card p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.7;
}

/* --- Manifesto --- */
.manifesto {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 6rem 5%;
}

.manifesto-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.manifesto-quote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-style: italic;
  color: var(--fg);
  line-height: 1.4;
  margin-bottom: 2rem;
}

.manifesto-body {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 560px;
  margin: 0 auto 1.5rem;
}

.manifesto-signature {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-weight: 600;
}

/* --- Footer --- */
.footer {
  padding: 3rem 5% 2rem;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--fg);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.footer-legal {
  font-size: 0.7rem;
  color: #B8B3AA;
  max-width: 400px;
  margin: 0 auto;
  line-height: 1.6;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { display: none; }
  .approach-grid { grid-template-columns: repeat(2, 1fr); }
  .ingredient-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero { padding: 4rem 5% 3rem; }
  .approach { padding: 3.5rem 5%; }
  .approach-grid { grid-template-columns: 1fr; }
  .formulation { padding: 3.5rem 5%; }
  .manifesto { padding: 4rem 5%; }
}