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

:root {
  --bg: #f5f1eb;
  --bg-alt: #ece7df;
  --primary: #1e3a2f;
  --accent: #c97d2b;
  --text: #1a1a1a;
  --text-muted: #5c5c5c;
  --text-light: #8a8a8a;
  --white: #ffffff;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: 'Playfair Display', serif; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; font-family: 'DM Sans', sans-serif; }
p { font-size: 1rem; line-height: 1.7; color: var(--text-muted); }

.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-heading {
  margin-bottom: 1.5rem;
  color: var(--primary);
}

/* ===== NAV ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 241, 235, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30, 58, 47, 0.08);
}
.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

/* ===== HERO ===== */
.hero { padding: 5rem 2rem 4rem; }
.hero-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-kicker {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.hero-headline {
  font-size: clamp(2.4rem, 5vw, 4rem);
  color: var(--primary);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}
.hero-lede {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 460px;
}

/* ===== SHOT GRAPHIC (CSS-only product illustration) ===== */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.shot-graphic {
  position: relative;
  width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.shot-cap {
  width: 52px;
  height: 18px;
  background: var(--primary);
  border-radius: 4px 4px 0 0;
}
.shot-body {
  width: 100px;
  height: 200px;
  background: rgba(30, 58, 47, 0.08);
  border: 2px solid var(--primary);
  border-radius: 8px 8px 16px 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.shot-liquid {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
}
.shot-layer {
  display: flex;
  align-items: center;
  padding: 0 8px;
  min-height: 50px;
  position: relative;
}
.layer-label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  position: absolute;
  left: 10px;
}
.layer-protein { background: linear-gradient(180deg, #4a8c5c, #2d6b3f); }
.layer-fiber { background: linear-gradient(180deg, #7ab87a, #4a8c5c); }
.layer-collagen { background: linear-gradient(180deg, #c97d2b, #a06520); }
.layer-vitamins { background: linear-gradient(180deg, #d4a843, #c97d2b); }
.shot-base {
  width: 120px;
  height: 8px;
  background: var(--primary);
  border-radius: 0 0 20px 20px;
  margin-top: -2px;
}
.hero-caption {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.05em;
}

/* ===== PROBLEM ===== */
.problem { padding: 5rem 2rem; background: var(--white); }
.problem-inner { max-width: 1160px; margin: 0 auto; }
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 2.5rem;
}
.problem-card {
  padding: 2rem;
  background: var(--bg);
  border-radius: 12px;
  border: 1px solid rgba(30, 58, 47, 0.08);
}
.problem-icon { margin-bottom: 1rem; }
.problem-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  color: var(--primary);
}
.problem-card p { font-size: 0.95rem; }

/* ===== SOLUTION ===== */
.solution { padding: 5rem 2rem; background: var(--primary); }
.solution-inner { max-width: 1160px; margin: 0 auto; text-align: center; }
.solution .section-eyebrow { color: var(--accent); }
.solution .section-heading { color: var(--white); }
.solution-lede {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 620px;
  margin: 0 auto 3rem;
}
.solution-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-top: 0.3rem;
  letter-spacing: 0.05em;
}
.stat-divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.15);
}

/* ===== INGREDIENTS ===== */
.ingredients { padding: 5rem 2rem; }
.ingredients-inner { max-width: 1160px; margin: 0 auto; }
.ingredient-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
}
.ingredient-card {
  padding: 2rem;
  background: var(--white);
  border-radius: 12px;
  border: 1px solid rgba(30, 58, 47, 0.1);
}
.ingredient-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}
.tag-protein { background: #e6f0e9; color: #2d6b3f; }
.tag-fiber { background: #edf5ed; color: #4a8c5c; }
.tag-collagen { background: #fdf3e8; color: #a06520; }
.tag-vitamins { background: #fef9ec; color: #8a6520; }
.ingredient-card h3 { color: var(--primary); margin-bottom: 0.6rem; }
.ingredient-card p { font-size: 0.95rem; }

/* ===== WHY ===== */
.why { padding: 5rem 2rem; background: var(--bg-alt); }
.why-inner { max-width: 1160px; margin: 0 auto; }
.why-grid { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 0; }
.why-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(30, 58, 47, 0.1);
}
.why-item:first-child { border-top: 1px solid rgba(30, 58, 47, 0.1); }
.why-num {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  padding-top: 0.2rem;
}
.why-content h3 { color: var(--primary); margin-bottom: 0.5rem; }
.why-content p { font-size: 0.95rem; }

/* ===== CLOSING ===== */
.closing { padding: 6rem 2rem; background: var(--primary); }
.closing-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.closing-quote {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-style: italic;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 3rem;
}
.closing-vision h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 400;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
}

/* ===== FOOTER ===== */
.footer { padding: 3rem 2rem; background: var(--bg); border-top: 1px solid rgba(30, 58, 47, 0.08); }
.footer-inner { max-width: 1160px; margin: 0 auto; }
.footer-brand { margin-bottom: 1rem; }
.footer-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
}
.footer-tagline { font-size: 0.85rem; color: var(--text-light); margin-top: 0.2rem; }
.footer-note p { font-size: 0.75rem; color: var(--text-light); line-height: 1.5; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { order: -1; }
  .shot-body { height: 160px; }
  .problem-grid { grid-template-columns: 1fr; }
  .ingredient-grid { grid-template-columns: 1fr; }
  .why-item { grid-template-columns: 50px 1fr; gap: 1rem; }
  .solution-stats { gap: 2rem; }
}

@media (max-width: 480px) {
  .hero { padding: 3rem 1.5rem 2rem; }
  .solution-stats { flex-direction: column; gap: 1.5rem; }
  .stat-divider { display: none; }
}