/* Base variables */
:root {
  --sand: #F5F0EA;
  --sand-deep: #E8E1D5;
  --forest: #3A5F3A;
  --forest-light: #5A7A5A;
  --forest-dark: #2A4A2A;
  --amber: #C9944A;
  --amber-light: #DBAE6A;
  --ink: #1C1C1A;
  --ink-light: #4A4A44;
  --cream: #FDFBF7;
  --white: #FFFFFF;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; font-weight: 400; color: var(--ink); background: var(--sand); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1, h2, h3 { font-family: 'Cormorant Garamond', serif; font-weight: 400; line-height: 1.15; }
p { line-height: 1.65; }

/* Navigation */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 48px;
  background: linear-gradient(180deg, var(--sand) 0%, transparent 100%);
}
.nav-left { display: flex; align-items: baseline; gap: 16px; }
.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem; font-weight: 600; letter-spacing: 0.05em;
  color: var(--forest-dark); text-transform: uppercase; text-decoration: none;
}
.nav-tagline {
  font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--ink-light);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center;
  overflow: hidden;
  padding: 120px 48px 80px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
}
.hero-circle {
  position: absolute; border-radius: 50%; opacity: 0.18;
}
.hero-circle-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--forest) 0%, transparent 70%);
  top: -150px; right: -100px;
  animation: float 8s ease-in-out infinite;
}
.hero-circle-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--amber) 0%, transparent 70%);
  bottom: 80px; left: 30%;
  animation: float 10s ease-in-out infinite reverse;
}
.hero-circle-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, var(--forest-light) 0%, transparent 70%);
  top: 40%; right: 20%;
  animation: float 6s ease-in-out infinite 1s;
}
@keyframes float {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-30px) scale(1.03); }
}
.hero-content {
  position: relative; z-index: 1; max-width: 540px;
  grid-column: 1;
}
.hero-label {
  display: inline-block;
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--forest); margin-bottom: 24px;
  border: 1px solid var(--forest); padding: 6px 14px; border-radius: 2px;
}
.hero-headline {
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--ink); margin-bottom: 28px;
  font-weight: 300; font-style: italic;
}
.hero-sub {
  font-size: 1.05rem; color: var(--ink-light); margin-bottom: 40px; max-width: 460px;
}
.hero-divider {
  width: 80px; height: 1px; background: var(--amber); margin-bottom: 28px;
}
.hero-body {
  font-size: 1.1rem; color: var(--forest-dark); font-weight: 500; font-style: italic;
  font-family: 'Cormorant Garamond', serif;
}
.hero-visual {
  position: relative; z-index: 1;
  grid-column: 2; display: flex; align-items: center; justify-content: center;
  height: 100%; min-height: 500px;
}
.hero-orb {
  position: absolute; border-radius: 50%;
}
.orb-1 {
  width: 320px; height: 320px;
  background: radial-gradient(circle at 35% 35%, var(--forest-light) 0%, var(--forest-dark) 60%, #1a2f1a 100%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  box-shadow: 0 40px 80px rgba(42, 74, 42, 0.35), inset 0 0 60px rgba(255,255,255,0.05);
}
.orb-2 {
  width: 180px; height: 180px;
  background: radial-gradient(circle at 40% 40%, var(--amber-light) 0%, var(--amber) 100%);
  top: 15%; right: 15%;
  box-shadow: 0 20px 40px rgba(201, 148, 74, 0.4);
}
.orb-3 {
  width: 100px; height: 100px;
  background: radial-gradient(circle, var(--sand-deep) 0%, var(--sand) 100%);
  bottom: 20%; left: 15%;
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}
.hero-texture-overlay {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 40px,
    rgba(58, 95, 58, 0.03) 40px,
    rgba(58, 95, 58, 0.03) 41px
  );
  pointer-events: none;
}

/* Manifesto */
.manifesto {
  background: var(--cream);
  padding: 100px 48px;
}
.manifesto-inner { max-width: 800px; margin: 0 auto; }
.manifesto-eyebrow {
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 24px;
}
.manifesto-statement {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  color: var(--ink); line-height: 1.45; margin-bottom: 32px;
  font-style: italic; font-weight: 300;
}
.manifesto-body { font-size: 1rem; color: var(--ink-light); margin-bottom: 20px; max-width: 680px; }
.manifesto-rule { width: 48px; height: 1px; background: var(--forest); margin: 36px 0; }
.manifesto-accent { color: var(--forest-dark); font-style: italic; font-size: 1.05rem; font-family: 'Cormorant Garamond', serif; }

/* Products */
.products {
  background: var(--sand);
  padding: 100px 48px;
}
.products-header { max-width: 700px; margin-bottom: 72px; }
.products-eyebrow {
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 16px;
}
.products-headline { font-size: clamp(1.8rem, 3vw, 2.8rem); color: var(--ink); margin-bottom: 16px; }
.products-sub { font-size: 1rem; color: var(--ink-light); max-width: 560px; }
.products-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 2px; max-width: 1200px; margin: 0 auto;
}
.product-card {
  display: grid; grid-template-columns: 100px 1fr;
  gap: 0; background: var(--cream); padding: 36px;
  transition: transform 0.3s ease;
}
.product-card:hover { transform: translateY(-2px); }
.product-swatch {
  width: 80px; height: 80px; border-radius: 50%;
  align-self: start; margin-top: 8px;
}
.swatch-uv { background: radial-gradient(circle at 30% 30%, #FFE4A0 0%, var(--amber) 100%); }
.swatch-serum { background: radial-gradient(circle at 30% 30%, var(--forest-light) 0%, var(--forest-dark) 100%); }
.swatch-moisture { background: radial-gradient(circle at 30% 30%, #E8F4E8 0%, var(--forest) 100%); }
.swatch-cleanse { background: radial-gradient(circle at 30% 30%, var(--sand-deep) 0%, var(--amber-light) 100%); }
.product-info { padding-left: 20px; }
.product-number { font-size: 0.65rem; letter-spacing: 0.15em; color: var(--amber); margin-bottom: 8px; }
.product-name { font-size: 1.4rem; color: var(--ink); margin-bottom: 4px; font-weight: 400; }
.product-target { font-size: 0.75rem; color: var(--forest); letter-spacing: 0.05em; margin-bottom: 14px; text-transform: uppercase; }
.product-desc { font-size: 0.9rem; color: var(--ink-light); line-height: 1.6; margin-bottom: 16px; }
.product-icons { display: flex; flex-wrap: wrap; gap: 6px; }
.pill {
  font-size: 0.65rem; letter-spacing: 0.08em;
  padding: 4px 10px; border: 1px solid var(--sand-deep);
  border-radius: 20px; color: var(--ink-light); text-transform: uppercase;
}

/* Stressors */
.stressors {
  background: var(--forest-dark);
  padding: 100px 48px;
  color: var(--cream);
}
.stressors-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; max-width: 1200px; margin: 0 auto;
  align-items: start;
}
.stressors-eyebrow {
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--amber-light); margin-bottom: 20px;
}
.stressors-headline { font-size: clamp(1.6rem, 2.5vw, 2.2rem); color: var(--cream); margin-bottom: 20px; font-style: italic; }
.stressors-body { font-size: 0.95rem; color: rgba(253,251,247,0.6); line-height: 1.65; }
.stressor {
  display: grid; grid-template-columns: 16px 1fr;
  gap: 20px; align-items: start;
  padding: 28px 0; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.stressor:last-child { border-bottom: none; }
.stressor-dot {
  width: 12px; height: 12px; border-radius: 50%; margin-top: 4px; flex-shrink: 0;
}
.dot-cortisol { background: #E07A5F; box-shadow: 0 0 12px rgba(224,122,95,0.6); }
.dot-uv { background: #F4C542; box-shadow: 0 0 12px rgba(244,197,66,0.6); }
.dot-blue { background: #81B5E0; box-shadow: 0 0 12px rgba(129,181,224,0.6); }
.dot-pollution { background: #9A8C98; box-shadow: 0 0 12px rgba(154,140,152,0.6); }
.stressor-name { font-family: 'Cormorant Garamond', serif; font-size: 1.15rem; color: var(--cream); margin-bottom: 8px; }
.stressor-desc { font-size: 0.875rem; color: rgba(253,251,247,0.55); line-height: 1.6; }

/* Philosophy */
.philosophy {
  background: var(--cream);
  padding: 100px 48px;
}
.philosophy-inner { max-width: 1200px; margin: 0 auto; }
.philosophy-eyebrow {
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 20px; text-align: center;
}
.philosophy-headline { font-size: clamp(1.8rem, 3vw, 2.6rem); color: var(--ink); margin-bottom: 60px; text-align: center; font-style: italic; }
.philosophy-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 48px;
}
.philosophy-item { }
.philosophy-num {
  font-size: 2.5rem; font-family: 'Cormorant Garamond', serif;
  color: var(--sand-deep); font-weight: 300; margin-bottom: 12px; line-height: 1;
}
.philosophy-label { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--forest); margin-bottom: 12px; }
.philosophy-body { font-size: 0.875rem; color: var(--ink-light); line-height: 1.65; }

/* Closing */
.closing {
  background: var(--forest);
  padding: 120px 48px;
}
.closing-inner { max-width: 800px; margin: 0 auto; text-align: center; }
.closing-rule { width: 48px; height: 1px; background: rgba(255,255,255,0.3); margin: 0 auto 48px; }
.closing-headline { font-size: clamp(2rem, 3.5vw, 3.2rem); color: var(--cream); font-weight: 300; font-style: italic; margin-bottom: 28px; line-height: 1.3; }
.closing-body { font-size: 1rem; color: rgba(253,251,247,0.65); line-height: 1.65; margin-bottom: 48px; max-width: 600px; margin-left: auto; margin-right: auto; }
.closing-tagline { font-family: 'Cormorant Garamond', serif; font-size: 1.2rem; color: var(--amber-light); font-style: italic; letter-spacing: 0.05em; }

/* Footer */
.footer {
  background: var(--ink);
  padding: 60px 48px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.footer-brand { font-family: 'Cormorant Garamond', serif; font-size: 1.8rem; color: var(--cream); letter-spacing: 0.1em; margin-bottom: 12px; }
.footer-tagline { font-size: 0.85rem; color: rgba(253,251,247,0.5); margin-bottom: 20px; }
.footer-meta { font-size: 0.75rem; color: rgba(253,251,247,0.3); letter-spacing: 0.05em; }

/* Responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 100px 32px 60px; }
  .hero-visual { display: none; }
  .products-grid { grid-template-columns: 1fr; }
  .philosophy-grid { grid-template-columns: repeat(2, 1fr); }
  .stressors-inner { grid-template-columns: 1fr; gap: 48px; }
  .nav { padding: 20px 32px; }
  .manifesto, .products, .stressors, .philosophy, .closing { padding: 72px 32px; }
}
@media (max-width: 600px) {
  .philosophy-grid { grid-template-columns: 1fr; }
  .product-card { grid-template-columns: 1fr; }
  .product-swatch { display: none; }
  .product-info { padding-left: 0; }
}

/* ============================================
   CTA SECTION — Defense Serum Pre-order
   ============================================ */
.cta {
  background: var(--forest);
  padding: 120px 48px;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 80px,
    rgba(255,255,255,0.02) 80px,
    rgba(255,255,255,0.02) 81px
  );
  pointer-events: none;
}
.cta-inner {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}
.cta-eyebrow {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber-light);
  border: 1px solid rgba(201,148,74,0.4);
  padding: 5px 14px;
  border-radius: 2px;
  margin-bottom: 28px;
}
.cta-headline {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  color: var(--cream);
  font-weight: 300;
  font-style: italic;
  line-height: 1.2;
  margin-bottom: 20px;
}
.cta-headline em {
  color: var(--amber-light);
  font-style: normal;
}
.cta-body {
  font-size: 1rem;
  color: rgba(253,251,247,0.6);
  line-height: 1.65;
  margin-bottom: 40px;
  max-width: 560px;
}
.cta-product {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 28px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 32px;
  margin-bottom: 40px;
  align-items: start;
}
.cta-serum-img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--forest-light) 0%, var(--forest-dark) 60%, #1a2f1a 100%);
  box-shadow: 0 16px 40px rgba(42,74,42,0.5), inset 0 0 30px rgba(255,255,255,0.05);
  align-self: center;
}
.cta-product-info { }
.cta-product-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  color: var(--cream);
  margin-bottom: 4px;
  font-weight: 400;
}
.cta-product-tagline {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-light);
  margin-bottom: 14px;
}
.cta-product-desc {
  font-size: 0.875rem;
  color: rgba(253,251,247,0.55);
  line-height: 1.6;
  margin-bottom: 14px;
}
.cta-ingredients {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.cta-ingredient {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid rgba(201,148,74,0.35);
  border-radius: 20px;
  color: var(--amber-light);
}
.cta-price-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 36px;
}
.cta-price {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.8rem;
  color: var(--cream);
  font-weight: 300;
  line-height: 1;
}
.cta-price-note {
  font-size: 0.85rem;
  color: rgba(253,251,247,0.45);
  font-style: italic;
}
.cta-form {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}
.cta-email-input {
  flex: 1;
  padding: 14px 18px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  background: rgba(253,251,247,0.07);
  border: 1px solid rgba(253,251,247,0.2);
  border-radius: 3px;
  color: var(--cream);
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.cta-email-input::placeholder { color: rgba(253,251,247,0.35); }
.cta-email-input:focus {
  border-color: rgba(201,148,74,0.6);
  background: rgba(253,251,247,0.1);
}
.cta-submit {
  padding: 14px 32px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--amber);
  color: var(--ink);
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}
.cta-submit:hover {
  background: var(--amber-light);
  transform: translateY(-1px);
}
.cta-submit:active { transform: translateY(0); }
.cta-success {
  display: none;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  color: var(--cream);
  font-style: italic;
  padding: 20px 0;
}
.cta-success.show { display: block; }
.cta-fine-print {
  font-size: 0.75rem;
  color: rgba(253,251,247,0.3);
  line-height: 1.5;
}
.cta-error {
  display: none;
  font-size: 0.8rem;
  color: #E07A5F;
  margin-top: -8px;
  margin-bottom: 8px;
}
.cta-error.show { display: block; }

/* Nav CTA button */
.nav-cta {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--forest-dark);
  background: var(--amber);
  padding: 8px 18px;
  border-radius: 2px;
  text-decoration: none;
  font-weight: 500;
  transition: background 0.2s ease;
  cursor: pointer;
  border: none;
}
.nav-cta:hover { background: var(--amber-light); }

/* Hero email form */
.hero-cta-form {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  max-width: 480px;
}
.hero-email-input {
  flex: 1;
  padding: 13px 16px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  background: rgba(253,251,247,0.5);
  border: 1px solid rgba(28,28,26,0.2);
  border-radius: 3px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease;
}
.hero-email-input::placeholder { color: var(--ink-light); }
.hero-email-input:focus { border-color: var(--amber); }
.hero-submit {
  padding: 13px 24px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--forest-dark);
  color: var(--cream);
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.2s ease;
  white-space: nowrap;
}
.hero-submit:hover { background: var(--forest); }
.hero-form-success {
  display: none;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  color: var(--forest-dark);
  font-style: italic;
  margin-top: 12px;
}
.hero-form-success.show { display: block; }
.hero-form-error {
  display: none;
  font-size: 0.8rem;
  color: #C9944A;
  margin-top: 6px;
}
.hero-form-error.show { display: block; }

/* Products — Defense Serum highlight */
.product-card-featured {
  background: var(--forest-dark);
  padding: 36px;
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0;
  transition: transform 0.3s ease;
  border: 1px solid rgba(255,255,255,0.07);
}
.product-card-featured:hover { transform: translateY(-2px); }
.product-card-featured .product-number { color: var(--amber-light); }
.product-card-featured .product-name { color: var(--cream); }
.product-card-featured .product-target { color: rgba(253,251,247,0.55); }
.product-card-featured .product-desc { color: rgba(253,251,247,0.6); }
.product-card-featured .pill { border-color: rgba(255,255,255,0.15); color: rgba(253,251,247,0.5); }
.serum-price-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}
.serum-price {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  color: var(--amber-light);
  font-weight: 300;
}
.serum-preorder-tag {
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(201,148,74,0.2);
  color: var(--amber-light);
  padding: 3px 8px;
  border-radius: 20px;
  border: 1px solid rgba(201,148,74,0.3);
}

/* Responsive CTA */
@media (max-width: 768px) {
  .cta { padding: 80px 32px; }
  .cta-product { grid-template-columns: 1fr; }
  .cta-serum-img { display: none; }
  .cta-form { flex-direction: column; }
  .cta-submit { width: 100%; }
  .cta-price-row { margin-bottom: 28px; }
}
@media (max-width: 600px) {
  .hero-cta-form { flex-direction: column; }
  .hero-submit { width: 100%; }
  .product-card-featured { grid-template-columns: 1fr; }
  .product-card-featured .product-swatch { display: none; }
  .product-card-featured .product-info { padding-left: 0; }
}

/* ============================================
   SOCIAL PROOF STRIP
   ============================================ */
.social-proof {
  background: var(--forest-dark);
  padding: 28px 48px;
}
.social-proof-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.proof-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  color: var(--cream);
  font-weight: 400;
}
.proof-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(253,251,247,0.45);
}
.proof-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.1);
}
@media (max-width: 768px) {
  .social-proof { padding: 20px 32px; }
  .social-proof-inner { flex-wrap: wrap; justify-content: center; gap: 24px; }
  .proof-divider { display: none; }
}
@media (max-width: 480px) {
  .proof-number { font-size: 1.2rem; }
}

/* ============================================
   SERUM DETAIL SECTION
   ============================================ */
.serum-detail {
  background: var(--sand);
  padding: 100px 48px;
  position: relative;
}
.serum-detail::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sand-deep), transparent);
}
.serum-detail-inner {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: start;
}

/* Visual */
.serum-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 0;
}
.serum-bottle {
  position: relative;
  width: 200px;
  height: 340px;
  filter: drop-shadow(0 40px 80px rgba(42,74,42,0.25));
}
.bottle-body {
  position: absolute;
  bottom: 0; left: 20px; right: 20px;
  height: 280px;
  background: linear-gradient(135deg, #4a7a4a 0%, #2a4a2a 50%, #1a2f1a 100%);
  border-radius: 16px 16px 24px 24px;
  box-shadow: inset 4px 0 12px rgba(255,255,255,0.08), inset -4px 0 12px rgba(0,0,0,0.2);
}
.bottle-neck {
  position: absolute;
  bottom: 280px; left: 50%;
  transform: translateX(-50%);
  width: 60px; height: 40px;
  background: linear-gradient(90deg, #3a5a3a 0%, #2a4a2a 100%);
  border-radius: 4px 4px 0 0;
}
.bottle-cap {
  position: absolute;
  bottom: 316px; left: 50%;
  transform: translateX(-50%);
  width: 80px; height: 28px;
  background: linear-gradient(135deg, #d4c4a8 0%, #c4b498 100%);
  border-radius: 6px 6px 4px 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.bottle-highlight {
  position: absolute;
  top: 20px; left: 30px;
  width: 24px; height: 160px;
  background: linear-gradient(180deg, rgba(255,255,255,0.15) 0%, transparent 100%);
  border-radius: 12px;
  transform: rotate(-5deg);
}
.bottle-label {
  position: absolute;
  bottom: 60px; left: 50%;
  transform: translateX(-50%);
  width: 130px;
  text-align: center;
}
.label-brand {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(253,251,247,0.5);
  margin-bottom: 4px;
}
.label-name {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.85rem;
  color: rgba(253,251,247,0.85);
  font-weight: 400;
}
.serum-orb-glow {
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(58,95,58,0.2) 0%, transparent 70%);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  animation: float 7s ease-in-out infinite;
}
.serum-ingredient-tags {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 32px;
  align-items: center;
}
.ing-tag {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--forest);
  border: 1px solid var(--forest-light);
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(90,122,90,0.06);
}

/* Info */
.serum-eyebrow {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
.serum-headline {
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--ink);
  margin-bottom: 8px;
  font-style: italic;
}
.serum-tagline {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 24px;
}
.serum-price-block {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}
.serum-price {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.4rem;
  color: var(--forest-dark);
  font-weight: 400;
}
.serum-price-retail {
  font-size: 0.85rem;
  color: var(--ink-light);
  text-decoration: line-through;
}
.serum-launch-tag {
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--amber);
  color: var(--ink);
  padding: 3px 10px;
  border-radius: 2px;
}
.serum-description {
  font-size: 1rem;
  color: var(--ink-light);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 560px;
}

/* Benefits */
.serum-benefits {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}
.benefit {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  align-items: start;
}
.benefit-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.benefit-icon--cortisol { background: rgba(224,122,95,0.12); color: #C4564A; }
.benefit-icon--blue { background: rgba(129,181,224,0.12); color: #5B8FC2; }
.benefit-icon--pollution { background: rgba(154,140,152,0.12); color: #7A6B7A; }
.benefit-text { padding-top: 4px; }
.benefit-text strong {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  color: var(--ink);
  margin-bottom: 4px;
}
.benefit-text span {
  font-size: 0.875rem;
  color: var(--ink-light);
  line-height: 1.5;
}

/* Ingredients */
.serum-ingredients-list { margin-bottom: 32px; }
.ingredients-title {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 12px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
}
.ingredient-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.ingredient-chip {
  font-size: 0.7rem;
  color: var(--ink-light);
  padding: 4px 10px;
  border: 1px solid var(--sand-deep);
  border-radius: 2px;
  background: var(--cream);
}

/* Trust signals */
.serum-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  margin-bottom: 36px;
  padding: 24px 0;
  border-top: 1px solid var(--sand-deep);
  border-bottom: 1px solid var(--sand-deep);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--ink-light);
}
.trust-item svg { color: var(--forest); flex-shrink: 0; }

/* CTA form */
.serum-cta-row {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 10px;
}
.serum-add-cart {
  padding: 15px 32px;
  font-family: 'DM Sans', sans-serif; font-size: 0.875rem;
  font-weight: 500; letter-spacing: 0.04em;
  background: var(--forest-dark); color: var(--cream);
  border: none; border-radius: 3px; cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}
.serum-add-cart:hover { background: var(--forest); transform: translateY(-1px); }
.serum-add-cart:active { transform: translateY(0); }
.serum-launch-tag--inline {
  font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--amber); color: var(--ink);
  padding: 4px 10px; border-radius: 2px;
}
.serum-cta-hint {
  font-size: 0.75rem; color: var(--ink-light);
  margin-bottom: 28px; line-height: 1.5;
}
.serum-email-row { border-top: 1px solid var(--sand-deep); padding-top: 24px; }
.serum-email-label { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-light); margin-bottom: 12px; font-weight: 500; }
.serum-cta-form { display: flex; gap: 12px; margin-bottom: 12px; }
.serum-email-input {
  flex: 1;
  padding: 14px 18px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  background: var(--cream);
  border: 1px solid var(--sand-deep);
  border-radius: 3px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease;
}
.serum-email-input::placeholder { color: var(--ink-light); }
.serum-email-input:focus { border-color: var(--amber); }
.serum-submit {
  padding: 14px 28px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: var(--forest-dark);
  color: var(--cream);
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}
.serum-submit:hover { background: var(--forest); transform: translateY(-1px); }
.serum-submit:active { transform: translateY(0); }
.serum-submit:disabled { opacity: 0.7; transform: none; }
.serum-success {
  display: none;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  color: var(--forest-dark);
  font-style: italic;
  padding: 16px 0;
}
.serum-success.show { display: block; }
.serum-error {
  display: none;
  font-size: 0.8rem;
  color: #C4564A;
  margin-bottom: 8px;
}
.serum-error.show { display: block; }
.serum-fine-print {
  font-size: 0.75rem;
  color: var(--ink-light);
}

/* ============================================
   CART DRAWER
   ============================================ */
.cart-trigger {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  background: transparent; border: none; cursor: pointer;
  color: var(--ink); border-radius: 4px;
  transition: background 0.2s ease;
}
.cart-trigger:hover { background: var(--sand-deep); }
.cart-count-badge {
  position: absolute; top: 2px; right: 2px;
  min-width: 16px; height: 16px;
  background: var(--forest-dark); color: var(--cream);
  font-size: 0.6rem; font-weight: 500; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 4px; line-height: 1;
}
.cart-overlay {
  position: fixed; inset: 0; z-index: 199;
  background: rgba(28,28,26,0.5);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(2px);
}
.cart-overlay.open { opacity: 1; pointer-events: all; }
.cart-drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: 400px; max-width: 100vw;
  background: var(--cream);
  z-index: 200;
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0, 0.24, 1);
  box-shadow: -4px 0 40px rgba(0,0,0,0.12);
}
.cart-drawer.open { transform: translateX(0); }
.cart-drawer-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--sand-deep);
}
.cart-drawer-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem; font-weight: 400; color: var(--ink);
}
.cart-close {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--sand-deep);
  border-radius: 4px; cursor: pointer; color: var(--ink);
  transition: background 0.2s ease;
}
.cart-close:hover { background: var(--sand); }
.cart-drawer-body { flex: 1; overflow-y: auto; padding: 20px 28px; }
.cart-empty {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  height: 300px; gap: 12px; text-align: center;
  color: var(--ink-light);
}
.cart-empty svg { color: var(--sand-deep); }
.cart-empty p { font-family: 'Cormorant Garamond', serif; font-size: 1.2rem; color: var(--ink); }
.cart-empty span { font-size: 0.85rem; }
.cart-item {
  display: grid; grid-template-columns: 64px 1fr;
  gap: 16px; padding: 20px 0;
  border-bottom: 1px solid var(--sand-deep);
}
.cart-item:last-child { border-bottom: none; }
.cart-item-visual { display: flex; align-items: center; justify-content: center; }
.cart-item-swatch { width: 56px; height: 56px; border-radius: 50%; box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.cart-item-info { display: flex; flex-direction: column; gap: 4px; }
.cart-item-name { font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; color: var(--ink); font-weight: 400; }
.cart-item-desc { font-size: 0.75rem; color: var(--ink-light); }
.cart-item-footer { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
.cart-item-qty { display: flex; align-items: center; gap: 0; border: 1px solid var(--sand-deep); border-radius: 3px; overflow: hidden; }
.qty-btn { width: 28px; height: 28px; background: transparent; border: none; cursor: pointer; font-size: 1rem; color: var(--ink); transition: background 0.15s ease; }
.qty-btn:hover { background: var(--sand); }
.qty-val { font-size: 0.85rem; padding: 0 8px; min-width: 28px; text-align: center; }
.cart-item-price { font-family: 'Cormorant Garamond', serif; font-size: 1rem; color: var(--ink); font-weight: 400; margin-left: auto; }
.cart-item-remove { font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-light); background: transparent; border: none; cursor: pointer; text-decoration: underline; padding: 0; }
.cart-item-remove:hover { color: #C4564A; }
.cart-drawer-footer { padding: 20px 28px 28px; border-top: 1px solid var(--sand-deep); display: flex; flex-direction: column; gap: 12px; }
.cart-total { font-size: 1rem; color: var(--ink); }
.cart-total strong { font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; font-weight: 400; }
.cart-checkout-btn { display: block; width: 100%; padding: 15px; background: var(--forest-dark); color: var(--cream); font-family: 'DM Sans', sans-serif; font-size: 0.85rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; text-align: center; text-decoration: none; border-radius: 3px; transition: background 0.2s ease; }
.cart-checkout-btn:hover { background: var(--forest); }
.cart-secure-note { display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 0.7rem; color: var(--ink-light); }
.cart-secure-note svg { color: var(--forest); }

/* ============================================
   CHECKOUT PAGE
   ============================================ */
.checkout-page { min-height: 100vh; background: var(--sand); padding-top: 80px; }
.checkout-container { max-width: 960px; margin: 0 auto; padding: 60px 48px; display: grid; grid-template-columns: 1fr 380px; gap: 64px; align-items: start; }
.checkout-back { display: inline-flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--ink-light); text-decoration: none; margin-bottom: 40px; transition: color 0.2s ease; }
.checkout-back:hover { color: var(--ink); }
.checkout-section { margin-bottom: 48px; }
.checkout-section-title { font-family: 'Cormorant Garamond', serif; font-size: 1.6rem; font-weight: 400; color: var(--ink); margin-bottom: 28px; font-style: italic; }
.checkout-form-group { margin-bottom: 20px; }
.checkout-label { display: block; font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-light); margin-bottom: 8px; font-weight: 500; }
.checkout-input { width: 100%; padding: 13px 16px; font-family: 'DM Sans', sans-serif; font-size: 0.95rem; background: var(--cream); border: 1px solid var(--sand-deep); border-radius: 3px; color: var(--ink); outline: none; transition: border-color 0.2s ease; }
.checkout-input::placeholder { color: var(--ink-light); }
.checkout-input:focus { border-color: var(--amber); }
.checkout-input.error { border-color: #C4564A; }
.checkout-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkout-submit { width: 100%; padding: 16px; background: var(--forest-dark); color: var(--cream); font-family: 'DM Sans', sans-serif; font-size: 0.875rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; border: none; border-radius: 3px; cursor: pointer; transition: background 0.2s ease, transform 0.15s ease; margin-top: 8px; }
.checkout-submit:hover { background: var(--forest); transform: translateY(-1px); }
.checkout-submit:disabled { opacity: 0.65; transform: none; cursor: not-allowed; }
.checkout-error { display: none; font-size: 0.8rem; color: #C4564A; margin-top: 6px; }
.checkout-error.show { display: block; }

/* Order summary sidebar */
.order-summary { background: var(--cream); border: 1px solid var(--sand-deep); border-radius: 4px; padding: 28px; position: sticky; top: 100px; }
.order-summary-title { font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-light); margin-bottom: 20px; font-family: 'DM Sans', sans-serif; font-weight: 500; }
.order-product { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding-bottom: 20px; border-bottom: 1px solid var(--sand-deep); margin-bottom: 20px; }
.order-product-swatch { width: 56px; height: 56px; border-radius: 50%; background: radial-gradient(circle at 30% 30%, var(--forest-light), var(--forest-dark)); box-shadow: 0 4px 16px rgba(42,74,42,0.2); }
.order-product-name { font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; color: var(--ink); font-weight: 400; margin-bottom: 2px; }
.order-product-qty { font-size: 0.8rem; color: var(--ink-light); margin-bottom: 8px; }
.order-product-price { font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; color: var(--ink); font-weight: 400; }
.order-totals { display: flex; flex-direction: column; gap: 12px; }
.order-row { display: flex; justify-content: space-between; align-items: baseline; font-size: 0.875rem; color: var(--ink-light); }
.order-row.total { padding-top: 12px; border-top: 1px solid var(--sand-deep); font-size: 1rem; color: var(--ink); }
.order-row.total strong { font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; font-weight: 400; }
.order-note { display: flex; align-items: flex-start; gap: 8px; font-size: 0.75rem; color: var(--ink-light); line-height: 1.5; margin-top: 16px; padding: 14px; background: var(--sand); border-radius: 3px; }
.order-note svg { color: var(--forest); flex-shrink: 0; margin-top: 1px; }
.order-trust { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.order-trust-item { display: flex; align-items: center; gap: 8px; font-size: 0.75rem; color: var(--ink-light); }
.order-trust-item svg { color: var(--forest); }

/* Order success */
.order-success { max-width: 600px; margin: 0 auto; padding: 80px 48px; text-align: center; }
.order-success-icon { width: 72px; height: 72px; background: var(--forest); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 28px; }
.order-success-icon svg { color: var(--cream); }
.order-success h1 { font-size: clamp(2rem, 3vw, 2.8rem); color: var(--ink); font-weight: 300; font-style: italic; margin-bottom: 16px; }
.order-success p { font-size: 1rem; color: var(--ink-light); line-height: 1.65; margin-bottom: 12px; }
.order-success .order-id { font-family: 'DM Sans', sans-serif; font-size: 0.8rem; letter-spacing: 0.1em; color: var(--ink-light); margin-bottom: 36px; }

/* Serum detail responsive */
@media (max-width: 1024px) {
  .serum-detail-inner {
    grid-template-columns: 320px 1fr;
    gap: 48px;
  }
}
@media (max-width: 768px) {
  .serum-detail { padding: 72px 32px; }
  .serum-detail-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .serum-visual { padding: 20px 0; }
  .serum-bottle { width: 160px; height: 280px; }
  .bottle-body { height: 220px; left: 16px; right: 16px; }
  .bottle-neck { bottom: 220px; width: 50px; height: 32px; }
  .bottle-cap { bottom: 248px; width: 66px; }
  .serum-ingredient-tags { flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .serum-cta-form { flex-direction: column; }
  .serum-submit { width: 100%; }
}
@media (max-width: 900px) {
  .checkout-container { grid-template-columns: 1fr; padding: 40px 32px; }
  .order-summary { position: static; }
  .checkout-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .cart-drawer { width: 100%; }
  .checkout-container { padding: 32px 20px; }
}