:root {
  --color-bg: oklch(0.98 0.012 75);
  --color-bg-page: oklch(0.98 0.01 80);
  --color-text: oklch(0.27 0.02 60);
  --color-text-muted: oklch(0.4 0.02 60);
  --color-text-soft: oklch(0.4 0.02 55);
  --color-border: oklch(0.9 0.02 70);
  --color-accent: oklch(0.4 0.1 40);
  --color-accent-hover: oklch(0.35 0.12 40);
  --color-accent-2: oklch(0.5 0.1 45);
  --color-hero-bg: oklch(0.95 0.015 72);
  --color-panel: oklch(0.93 0.01 75);
  --color-card-bg: oklch(0.99 0.008 78);
  --color-card-border: oklch(0.88 0.01 72);
  --color-input-border: oklch(0.85 0.02 65);
  --color-icon-bg: oklch(0.94 0.02 70);
  --color-footer-bg: oklch(0.22 0.02 50);
  --color-footer-text: oklch(0.9 0.02 70);
  --font-serif: "Lora", serif;
  --font-sans: "Work Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body {
  margin: 0;
  background: var(--color-bg-page);
  font-family: var(--font-sans);
  color: var(--color-text);
  /* stop iOS inflating text when the phone is rotated to landscape */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent-hover);
}

.page {
  width: 100%;
  background: var(--color-bg);
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  padding: 18px 28px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand-logo {
  height: 52px;
  width: auto;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: inherit;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.25;
}

.brand-sub {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: nowrap;
  white-space: nowrap;
  flex: 1;
  justify-content: flex-end;
  margin-right: 16px;
}

.site-nav a {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-text-soft);
}

.site-nav a.active {
  font-weight: 500;
  color: oklch(0.22 0.02 50);
  border-bottom: 1px solid oklch(0.64 0.09 75);
  padding-bottom: 3px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin-right: -8px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-scrim {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-hero-bg);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    var(--color-hero-bg) 0%,
    oklch(0.95 0.015 72 / 0.85) 30%,
    oklch(0.95 0.015 72 / 0.05) 58%,
    transparent 75%
  );
}

.hero-content {
  position: relative;
  max-width: 520px;
  padding: 110px 56px;
}

.eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--color-accent-2);
  font-weight: 600;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 46px;
  line-height: 1.16;
  color: oklch(0.24 0.03 50);
  margin: 18px 0 22px;
  font-weight: 600;
}

.hero-copy {
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 420px;
  margin: 0 0 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  background: var(--color-accent);
  color: var(--color-bg-page);
  font-weight: 600;
  padding: 15px 34px;
  border: none;
  border-radius: 0;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  width: fit-content;
  cursor: pointer;
  touch-action: manipulation;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  touch-action: manipulation;
  background: transparent;
  border: 1.5px solid var(--color-bg-page);
  color: var(--color-bg-page);
  padding: 13px 32px;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Coumarin comparison section */
.coumarin-section {
  padding: 100px 56px 110px;
  max-width: 1100px;
  margin: 0 auto;
}

.coumarin-heading {
  max-width: 680px;
  margin: 0 auto 48px;
  text-align: center;
}

.coumarin-heading h2 {
  font-family: var(--font-serif);
  font-size: 34px;
  line-height: 1.2;
  font-weight: 600;
  margin: 14px 0 16px;
}

.coumarin-heading p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0;
}

.coumarin-panel {
  position: relative;
  padding: 56px 48px 40px;
  border-radius: 24px;
  border: 1px solid var(--color-card-border);
  background:
    radial-gradient(120% 90% at 50% 0%, oklch(0.99 0.008 78) 0%, oklch(0.96 0.016 74) 100%);
  box-shadow: 0 18px 44px oklch(0.3 0.03 55 / 0.07);
}

.coumarin-compare {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 40px;
}

.coumarin-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 230px;
}

.coumarin-chip {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.coumarin-chip.risk {
  background: oklch(0.93 0.05 32);
  color: oklch(0.45 0.18 30);
}

.coumarin-chip.pure {
  background: oklch(0.93 0.05 145);
  color: oklch(0.42 0.12 145);
}

.coumarin-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 22px;
}

.coumarin-gauge-wrap {
  position: relative;
  width: 78px;
}

/* Glass tube gauge */
.coumarin-gauge {
  position: relative;
  width: 78px;
  height: 300px;
  border-radius: 40px;
  border: 1px solid var(--color-card-border);
  background: oklch(0.94 0.012 75);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  box-shadow:
    inset 0 3px 8px oklch(0.3 0.02 60 / 0.14),
    inset 0 -1px 0 oklch(1 0 0 / 0.5);
}

/* measuring ticks */
.coumarin-gauge::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to top,
    oklch(0.3 0.02 60 / 0.09) 0 1px,
    transparent 1px 10%
  );
  pointer-events: none;
  z-index: 1;
}

/* glass highlight */
.coumarin-gauge::after {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 12px;
  width: 10px;
  border-radius: 999px;
  background: linear-gradient(180deg, oklch(1 0 0 / 0.55), oklch(1 0 0 / 0.05));
  pointer-events: none;
  z-index: 3;
}

.coumarin-safezone {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 12%;
  background: oklch(0.72 0.13 145 / 0.16);
  border-top: 1px dashed oklch(0.55 0.12 145 / 0.65);
  z-index: 1;
  pointer-events: none;
}

.coumarin-gauge-fill {
  position: relative;
  width: 100%;
  height: 0;
  border-radius: 40px 40px 0 0;
  overflow: hidden;
  z-index: 2;
  transition: height 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.coumarin-gauge-fill.cassia {
  background: linear-gradient(180deg, oklch(0.66 0.19 38), oklch(0.5 0.2 30));
  transition-delay: 0.15s;
}

.coumarin-gauge-fill.ceylon {
  background: linear-gradient(180deg, oklch(0.76 0.14 142), oklch(0.62 0.15 145));
  transition-delay: 0.45s;
}

.coumarin-gauge-fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 20%,
    oklch(1 0 0 / 0.3) 50%,
    transparent 80%
  );
  background-size: 220% 220%;
  background-position: 120% 0;
  opacity: 0;
}

.coumarin-compare.is-visible .coumarin-gauge-fill {
  height: var(--fill);
}

.coumarin-compare.is-visible .coumarin-gauge-fill::after {
  opacity: 1;
  animation: coumarin-sheen 1.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.coumarin-compare.is-visible .coumarin-gauge-fill.cassia::after {
  animation-delay: 0.15s;
}

.coumarin-compare.is-visible .coumarin-gauge-fill.ceylon::after {
  animation-delay: 0.45s;
}

@keyframes coumarin-sheen {
  from {
    background-position: 120% 0;
  }
  to {
    background-position: -20% 0;
  }
}

.coumarin-gauge-peak {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translate(-50%, 50%);
  white-space: nowrap;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 4px 10px;
  border-radius: 999px;
  color: oklch(0.99 0.005 80);
  opacity: 0;
  transition: bottom 1.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.4s ease;
  pointer-events: none;
  z-index: 4;
  box-shadow: 0 2px 8px oklch(0.3 0.03 55 / 0.28);
}

.coumarin-gauge-peak.high {
  background: oklch(0.5 0.2 30);
}

.coumarin-gauge-peak.low {
  background: oklch(0.55 0.14 145);
}

.coumarin-compare.is-visible .coumarin-gauge-peak {
  bottom: var(--fill);
  opacity: 1;
  transition-delay: 0.15s, 1.1s;
}

.coumarin-compare.is-visible .coumarin-column:nth-child(3) .coumarin-gauge-peak {
  transition-delay: 0.45s, 1.4s;
}

@media (prefers-reduced-motion: reduce) {
  .coumarin-gauge-fill,
  .coumarin-gauge-peak {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

.coumarin-readout {
  margin-top: 24px;
  text-align: center;
}

.coumarin-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 600;
  line-height: 1;
}

.coumarin-number.high {
  color: oklch(0.5 0.2 30);
}

.coumarin-number.low {
  color: oklch(0.5 0.13 145);
}

.coumarin-unit {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.coumarin-note {
  font-size: 13.5px;
  line-height: 1.6;
  text-align: center;
  margin: 16px 0 0;
  color: var(--color-text-muted);
}

.coumarin-note.warning {
  color: oklch(0.5 0.2 30);
}

.coumarin-note.safe {
  color: oklch(0.47 0.13 145);
}

.coumarin-vs {
  flex-shrink: 0;
  align-self: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--color-card-border);
  background: var(--color-bg-page);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--color-text-muted);
  box-shadow: 0 4px 12px oklch(0.3 0.03 55 / 0.08);
}

.coumarin-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid var(--color-card-border);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.coumarin-legend-swatch {
  width: 26px;
  height: 12px;
  border-radius: 3px;
  background: oklch(0.72 0.13 145 / 0.22);
  border-top: 1px dashed oklch(0.55 0.12 145 / 0.75);
}

.coumarin-callout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  max-width: 680px;
  margin: 44px auto 0;
  text-align: left;
}

.coumarin-callout-figure {
  flex-shrink: 0;
  font-family: var(--font-serif);
  font-size: 52px;
  font-weight: 600;
  line-height: 1;
  color: var(--color-accent);
}

.coumarin-callout p {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.55;
  color: oklch(0.3 0.03 55);
  margin: 0;
}

/* Two-column content sections */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 120px 56px;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
}

.split-section h2 {
  font-family: var(--font-serif);
  font-size: 34px;
  line-height: 1.28;
  margin: 14px 0 22px;
  font-weight: 600;
}

.split-section p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text-muted);
  max-width: 480px;
}

.media-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-panel);
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-frame.ratio-4-3 {
  aspect-ratio: 4 / 3;
}

.media-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.media-caption {
  position: absolute;
  bottom: 16px;
  left: 16px;
  font-family: monospace;
  font-size: 12px;
  color: var(--color-text-soft);
}

.media-caption.inline {
  position: static;
  margin: 16px;
  color: oklch(0.42 0.02 55);
}

/* Benefits banner */
.benefits-banner {
  background: var(--color-accent);
  color: oklch(0.97 0.015 75);
  padding: 76px 56px;
  text-align: center;
}

.benefits-banner h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  max-width: 640px;
  margin: 0 auto 16px;
}

.benefits-banner p {
  font-size: 16px;
  max-width: 520px;
  margin: 0 auto 30px;
  color: oklch(0.92 0.02 75);
  line-height: 1.6;
}

/* Stat section */
.stat-section {
  background: oklch(0.95 0.02 72);
  padding: 110px 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 64px;
}

.stat-content {
  text-align: center;
  flex: 1;
  max-width: 720px;
}

.stat-aside {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 28px;
}

.stat-aside-frame {
  position: relative;
  flex-shrink: 0;
  width: 340px;
  aspect-ratio: 3 / 4;
  border-radius: 50% / 42%;
  overflow: hidden;
  border: 6px solid var(--color-accent);
  box-shadow: 0 0 0 1px oklch(0.58 0.09 70 / 0.35);
}

.stat-aside-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.stat-aside-caption {
  position: absolute;
  bottom: 6%;
  left: 50%;
  transform: translateX(-50%) rotate(-6deg);
  font-family: "Dancing Script", cursive;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  color: oklch(0.98 0.01 80);
  text-shadow: 0 1px 3px oklch(0.2 0.03 40 / 0.55), 0 0 18px oklch(0.2 0.03 40 / 0.35);
  pointer-events: none;
}

.stat-section h2 {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 600;
  margin: 16px 0 8px;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 74px;
  font-weight: 600;
  color: oklch(0.42 0.11 42);
  margin: 18px 0 8px;
  line-height: 1;
}

.stat-caption {
  font-size: 15px;
  color: var(--color-text-muted);
  margin: 0 0 40px;
}

.stat-quote {
  max-width: 720px;
  margin: 0 auto;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 21px;
  line-height: 1.6;
  color: oklch(0.3 0.03 55);
}

/* Contact */
.contact-section {
  padding: 120px 56px;
  max-width: 1280px;
  margin: 0 auto;
}

.contact-heading {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.contact-heading h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  margin: 0 0 14px;
}

.contact-heading p {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
}

.contact-form {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-field label {
  font-size: 13px;
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid var(--color-input-border);
  border-radius: 3px;
  font-family: inherit;
  /* 16px keeps iOS Safari from auto-zooming the page on focus */
  font-size: 16px;
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
  outline: 2px solid var(--color-accent-2);
  outline-offset: 1px;
}

.form-field textarea {
  resize: vertical;
}

.contact-form .btn {
  align-self: flex-start;
  border: none;
  padding: 13px 32px;
  font-weight: 500;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.contact-info > p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-icon-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-title {
  font-weight: 600;
  font-size: 15px;
}

.contact-item-sub {
  font-size: 14px;
  color: oklch(0.45 0.02 60);
}

.map-embed {
  flex: 1;
  min-height: 140px;
  border-radius: 6px;
  background: var(--color-panel);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: monospace;
  font-size: 12px;
  color: oklch(0.45 0.02 55);
}

/* Footer */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-logo {
  height: 44px;
  width: auto;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.3;
}

.footer-sub {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.75;
}

.footer-icons {
  font-size: 16px;
  letter-spacing: 0.06em;
  color: oklch(0.8 0.02 70);
}

/* Page hero (interior pages) */
.page-hero {
  position: relative;
  padding: 110px 0;
  background: var(--color-footer-bg);
  overflow: hidden;
}

.page-hero-content {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 56px;
}

.page-hero-content.wide {
  max-width: 1280px;
}

.page-hero-content.content-wide {
  max-width: 1200px;
}

.page-hero-content.narrow {
  max-width: 900px;
}

.page-hero-content > .eyebrow,
.page-hero-content > h1,
.page-hero-content > p {
  max-width: 640px;
}

.page-hero .eyebrow {
  color: oklch(0.72 0.08 80);
  letter-spacing: 0.3em;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: 44px;
  line-height: 1.16;
  color: var(--color-bg-page);
  margin: 18px 0 0;
  font-weight: 600;
}

/* Generic content section */
.content-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 120px 56px;
}

.content-section.wide {
  max-width: 1200px;
}

.content-section.narrow {
  max-width: 900px;
}

.content-section-banded {
  background: oklch(0.95 0.02 72);
  padding: 110px 56px;
}

/* Card grid (About Us values, Health Benefits) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  justify-content: center;
}

.card-grid.centered {
  max-width: 1100px;
  margin: 0 auto;
  gap: 36px;
  text-align: center;
}

.value-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0;
}

.benefit-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  padding: 30px;
}

.benefit-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 10px;
}

.benefit-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0;
}

/* About Us mission split */
.mission-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-panel);
}

/* Timeline (History) */
.intro-lead {
  font-size: 17px;
  line-height: 1.8;
  color: oklch(0.35 0.02 60);
  margin: 0 0 48px;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 44px;
}

.timeline-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
}

.timeline-era {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--color-accent-2);
}

.timeline-row p {
  font-size: 16px;
  line-height: 1.75;
  color: oklch(0.35 0.02 60);
  margin: 0;
}

.two-col {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.two-col h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 12px;
}

.two-col p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0;
}

/* CTA banner (used on Health Benefits) */
.cta-banner {
  background: var(--color-accent);
  color: oklch(0.97 0.015 75);
  padding: 76px 56px;
  text-align: center;
}

.cta-banner h2 {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 600;
  max-width: 600px;
  margin: 0 auto 22px;
}

.btn-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  touch-action: manipulation;
  background: var(--color-bg-page);
  color: oklch(0.3 0.07 42);
  font-weight: 600;
  padding: 15px 34px;
  border-radius: 0;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Blog grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.blog-card-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-panel);
}

.blog-date {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-2);
  font-weight: 600;
}

.blog-card h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  margin: 0;
}

.blog-card p {
  font-size: 14px;
  line-height: 1.65;
  color: oklch(0.45 0.02 60);
  margin: 0;
}

/* Shop grid */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.product-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-panel);
}

.product-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.product-heading h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

.product-price {
  font-weight: 600;
  color: var(--color-accent);
}

.product-card > p {
  font-size: 14px;
  color: oklch(0.45 0.02 60);
  margin: 0;
}

.product-card .btn {
  padding: 12px 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-align: center;
  width: auto;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 82vw);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 4px;
    margin-right: 0;
    padding: 88px 28px 28px;
    background: var(--color-bg-page);
    box-shadow: -8px 0 24px oklch(0.2 0.02 50 / 0.15);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    z-index: 60;
    overflow-y: auto;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav a {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 48px;
    padding: 12px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--color-border);
  }

  .brand {
    min-height: 44px;
  }

  .site-nav a.active {
    border-bottom-color: oklch(0.64 0.09 75);
  }

  .nav-scrim {
    display: block;
    position: fixed;
    inset: 0;
    background: oklch(0.15 0.02 50 / 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 50;
  }

  body.nav-open .nav-scrim {
    opacity: 1;
    pointer-events: auto;
  }

  body.nav-open {
    overflow: hidden;
  }

  .split-section,
  .contact-grid,
  .card-grid,
  .card-grid.centered,
  .two-col,
  .blog-grid,
  .shop-grid {
    grid-template-columns: 1fr;
  }

  .coumarin-panel {
    padding: 40px 24px 32px;
  }

  .coumarin-compare {
    gap: 20px;
  }

  .coumarin-column {
    width: 170px;
  }

  .coumarin-gauge-wrap {
    width: 64px;
  }

  .coumarin-gauge {
    width: 64px;
    height: 230px;
  }

  .coumarin-callout {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }

  .timeline-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .stat-section {
    flex-direction: column;
    gap: 32px;
  }

  .stat-aside-frame {
    width: min(340px, 78vw);
  }

  .stat-aside-caption {
    font-size: 22px;
  }

  .page-hero-content,
  .content-section,
  .content-section-banded {
    padding-left: 28px;
    padding-right: 28px;
  }

  .hero {
    min-height: 0;
    display: block;
  }

  .hero-image {
    position: relative;
    height: 320px;
    object-position: 65% 25%;
  }

  .hero-overlay {
    display: none;
  }

  .hero-content {
    max-width: 100%;
    padding: 32px 28px 48px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-copy {
    max-width: 100%;
  }

  .site-footer {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: 14px 16px;
  }

  .brand-logo {
    height: 38px;
  }

  .brand-name {
    font-size: 15px;
  }

  .brand-sub {
    font-size: 10px;
  }

  .page-hero-content,
  .content-section,
  .content-section-banded,
  .split-section,
  .contact-section,
  .coumarin-section {
    padding-left: 20px;
    padding-right: 20px;
  }

  /* Keep the two gauges side by side: comparing them is the whole point,
     and stacking forces you to scroll between the bars. */
  .coumarin-panel {
    padding: 32px 14px 26px;
  }

  .coumarin-compare {
    gap: 8px;
  }

  .coumarin-column {
    width: auto;
    flex: 1;
    min-width: 0;
  }

  .coumarin-chip {
    font-size: 9px;
    letter-spacing: 0.1em;
    padding: 4px 8px;
    text-align: center;
  }

  .coumarin-name {
    font-size: 19px;
    margin-bottom: 16px;
  }

  .coumarin-gauge-wrap,
  .coumarin-gauge {
    width: 52px;
  }

  .coumarin-gauge {
    height: 200px;
  }

  .coumarin-gauge-peak {
    font-size: 10px;
    padding: 3px 7px;
  }

  .coumarin-number {
    font-size: 24px;
  }

  .coumarin-unit {
    font-size: 9px;
    letter-spacing: 0.08em;
  }

  .coumarin-note {
    font-size: 12px;
  }

  .coumarin-vs {
    width: 34px;
    height: 34px;
    font-size: 13px;
  }

  .page-hero {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .page-hero h1 {
    font-size: 32px;
  }

  .split-section,
  .stat-section,
  .benefits-banner,
  .cta-banner,
  .content-section,
  .content-section-banded {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .stat-number {
    font-size: 52px;
  }
}