:root,
[data-theme="light"] {
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Manrope", "Helvetica Neue", sans-serif;
  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.84rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.2vw, 1rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --text-lg: clamp(1.2rem, 1.02rem + 0.8vw, 1.65rem);
  --text-xl: clamp(2rem, 1.4rem + 2.4vw, 3.5rem);
  --text-2xl: clamp(3.25rem, 1.6rem + 6.5vw, 7.8rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --color-bg: #fbfaf6;
  --color-surface: #f3efe6;
  --color-text: #18223a;
  --color-muted: #676b73;
  --color-navy: #111b31;
  --color-blue: #2d427b;
  --color-blue-deep: #182953;
  --color-gold: #b89447;
  --color-gold-bright: #d6b968;
  --color-border: rgb(24 34 58 / 13%);
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 999px;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --color-bg: #06102a;
  --color-surface: #0a1736;
  --color-text: #f7f1e6;
  --color-muted: #b4b5bd;
  --color-navy: #040b1c;
  --color-blue: #142ca0;
  --color-blue-deep: #071467;
  --color-gold: #d4b254;
  --color-gold-bright: #efd579;
  --color-border: rgb(247 241 230 / 16%);
}

body {
  transition: color var(--transition), background var(--transition);
}

.skip-link {
  position: fixed;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background: var(--color-gold);
  color: var(--color-navy);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.announcement {
  min-height: 36px;
  padding: var(--space-2) clamp(var(--space-4), 4vw, var(--space-12));
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff9e9;
  background: #182953;
}

.announcement-detail {
  color: var(--color-gold-bright);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 82px;
  padding: var(--space-3) clamp(var(--space-4), 4vw, var(--space-12));
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(16px);
}

.brand {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-mark {
  width: 38px;
  color: var(--color-gold);
}

.brand-mark path {
  fill: none;
  stroke: currentColor;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-label svg path {
  fill: none;
  stroke: currentColor;
  stroke-width: 3.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-copy strong {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-copy small {
  margin-top: var(--space-1);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.desktop-nav a,
.bag-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: 600;
}

.desktop-nav a:hover {
  color: var(--color-blue);
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
}

.theme-toggle svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

.bag-link {
  padding-inline: var(--space-5);
  gap: var(--space-2);
  color: #fff;
  background: #182953;
}

.bag-link:hover,
.primary-button:hover {
  background: var(--color-blue);
}

.hero {
  min-height: calc(100svh - 118px);
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 1.08fr);
  align-items: stretch;
}

.hero-copy {
  padding: clamp(var(--space-12), 8vw, var(--space-24))
    clamp(var(--space-6), 6vw, var(--space-20));
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  margin-bottom: var(--space-6);
  color: var(--color-blue);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  color: var(--color-text);
  line-height: 0.78;
}

.product-name {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.045em;
}

.product-name sup {
  position: relative;
  top: -0.8em;
  font-family: var(--font-body);
  font-size: 0.13em;
  letter-spacing: 0;
}

.product-type {
  display: block;
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero-lede {
  max-width: 53ch;
  margin-top: var(--space-8);
  color: var(--color-muted);
}

.hero-buy {
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.primary-button {
  min-height: 52px;
  padding: var(--space-3) var(--space-6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--color-blue-deep);
  font-size: var(--text-sm);
  font-weight: 700;
  transition: background var(--transition), transform var(--transition);
}

.primary-button:active,
.bag-link:active {
  transform: translateY(1px);
}

.price {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.price strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

.price span {
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.proof-line {
  margin-top: var(--space-10);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 600;
}

.proof-line li:not(:last-child)::after {
  content: "•";
  margin-left: var(--space-5);
  color: var(--color-gold);
}

.hero-visual {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  background: #182953;
}

.image-frame {
  position: absolute;
  inset: 0;
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgb(4 11 28 / 32%));
  pointer-events: none;
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.formula-stamp {
  position: absolute;
  right: var(--space-8);
  bottom: var(--space-8);
  width: 116px;
  height: 116px;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid rgb(227 198 109 / 72%);
  border-radius: 50%;
  color: var(--color-gold-bright);
  background: rgb(4 11 28 / 76%);
  text-align: center;
  backdrop-filter: blur(8px);
}

.formula-stamp span {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1;
}

.formula-stamp small {
  margin-top: var(--space-2);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.proof-strip {
  padding: var(--space-6) clamp(var(--space-4), 6vw, var(--space-20));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--color-border);
  color: #07142f;
  background: var(--color-gold);
}

.proof-strip p {
  text-align: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.proof-strip p + p {
  border-left: 1px solid rgb(7 20 47 / 28%);
}

.formula-section {
  max-width: 1240px;
  margin-inline: auto;
  padding: clamp(var(--space-20), 10vw, var(--space-32))
    clamp(var(--space-4), 5vw, var(--space-16));
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(180px, 0.5fr) 1fr;
  align-items: start;
  gap: var(--space-8);
}

h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1;
}

.formula-layout {
  margin-top: var(--space-16);
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) 1.2fr;
  gap: clamp(var(--space-8), 8vw, var(--space-24));
  align-items: center;
}

.dose-panel {
  min-height: 440px;
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #f7f1e6;
  background: #182953;
}

.dose-number {
  margin-bottom: auto;
  color: var(--color-gold-bright);
  font-family: var(--font-display);
  font-size: clamp(5rem, 12vw, 9rem);
  line-height: 0.7;
}

.dose-number span {
  font-size: 0.32em;
}

.dose-panel p {
  max-width: 40ch;
}

.dose-panel a {
  width: fit-content;
  min-height: 44px;
  margin-top: var(--space-6);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--color-gold);
  color: var(--color-gold-bright);
  font-size: var(--text-sm);
  font-weight: 700;
}

.formula-copy {
  max-width: 620px;
}

.formula-copy .lead {
  margin-bottom: var(--space-8);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  line-height: 1.15;
}

.formula-copy > p:not(.lead) {
  color: var(--color-muted);
}

.fact-row {
  margin-top: var(--space-10);
  padding-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.standard-section {
  padding: clamp(var(--space-20), 10vw, var(--space-32))
    clamp(var(--space-4), 7vw, var(--space-24));
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(var(--space-12), 10vw, var(--space-32));
  color: #f7f1e6;
  background: #182953;
}

.eyebrow.light {
  color: var(--color-gold-bright);
}

.standard-copy h2 {
  max-width: 12ch;
  color: var(--color-gold-bright);
}

.standard-copy > p:last-child {
  max-width: 52ch;
  margin-top: var(--space-8);
  color: #c6c9d4;
}

.standards-list {
  list-style: none;
}

.standards-list li {
  padding-block: var(--space-8);
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-5);
  border-top: 1px solid rgb(247 241 230 / 18%);
}

.standards-list li:last-child {
  border-bottom: 1px solid rgb(247 241 230 / 18%);
}

.standards-list > li > span {
  color: var(--color-gold-bright);
  font-size: var(--text-xs);
  font-weight: 700;
}

.standards-list h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
}

.standards-list p {
  max-width: 48ch;
  margin-top: var(--space-2);
  color: #c6c9d4;
  font-size: var(--text-sm);
}

.about-section {
  max-width: 1120px;
  margin-inline: auto;
  padding: clamp(var(--space-20), 11vw, var(--space-32))
    clamp(var(--space-4), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: clamp(var(--space-12), 10vw, var(--space-32));
}

.about-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--color-gold);
}

.about-label svg {
  width: min(190px, 50vw);
}

.about-label p {
  margin-top: var(--space-5);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

[data-theme="dark"] .site-header {
  background: rgb(6 16 42 / 94%);
}

[data-theme="dark"] .hero-lede,
[data-theme="dark"] .price span,
[data-theme="dark"] .proof-line,
[data-theme="dark"] .formula-copy > p:not(.lead),
[data-theme="dark"] .about-copy > p:last-child {
  color: #c6c9d4;
}

.about-copy > p:last-child {
  max-width: 56ch;
  margin-top: var(--space-6);
  color: var(--color-muted);
}

.closing {
  padding: clamp(var(--space-20), 10vw, var(--space-32)) var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #fff9e9;
  background: #2d427b;
  text-align: center;
}

.closing .eyebrow {
  color: var(--color-gold-bright);
}

.closing h2 {
  font-size: clamp(2.8rem, 7vw, 6rem);
}

.primary-button.gold {
  margin-top: var(--space-8);
  color: var(--color-navy);
  background: var(--color-gold-bright);
}

.primary-button.gold:hover {
  background: #f3dda0;
}

footer {
  padding: var(--space-12) clamp(var(--space-4), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: 1fr auto 1.4fr;
  align-items: center;
  gap: var(--space-8);
  color: #c6c9d4;
  background: var(--color-navy);
  font-size: var(--text-xs);
}

.footer-brand {
  color: #fff9e9;
}

.disclaimer {
  max-width: 58ch;
  justify-self: end;
}

@media (max-width: 900px) {
  .desktop-nav {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .hero {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: min(92vw, 680px);
    order: -1;
  }

  .proof-strip {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .proof-strip p + p {
    padding-top: var(--space-3);
    border-top: 1px solid rgb(7 20 47 / 28%);
    border-left: 0;
  }

  .standard-section {
    grid-template-columns: 1fr;
  }

  footer {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .disclaimer {
    justify-self: start;
  }
}

@media (max-width: 640px) {
  .announcement {
    letter-spacing: 0.05em;
  }

  .announcement-detail {
    display: none;
  }

  .site-header {
    min-height: 72px;
  }

  .brand-copy strong {
    font-size: 1.08rem;
  }

  .bag-link {
    padding-inline: var(--space-4);
  }

  .theme-toggle {
    display: none;
  }

  .hero-copy {
    padding: var(--space-16) var(--space-5);
  }

  .hero-buy {
    align-items: flex-start;
    flex-direction: column;
  }

  .primary-button {
    width: 100%;
  }

  .proof-line {
    gap: var(--space-2);
  }

  .proof-line li:not(:last-child)::after {
    margin-left: var(--space-2);
  }

  .formula-stamp {
    right: var(--space-4);
    bottom: var(--space-4);
    width: 96px;
    height: 96px;
  }

  .section-intro,
  .formula-layout,
  .about-section {
    grid-template-columns: 1fr;
  }

  .dose-panel {
    min-height: 380px;
    padding: var(--space-8);
  }

  .about-label {
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-border);
  }
}