/* =========================================================
   PLAIN TOOTHPASTE — Brand Site
   Vibe: fancy wellness, white & Scandi wood
   ========================================================= */

:root {
  /* Neutrals */
  --bg:            #FBF8F3;
  --bg-elev:       #FFFFFF;
  --cream:         #F3ECE0;
  --cream-deep:    #E8DFD0;
  --ink:           #1C1B19;
  --ink-soft:      #4A4740;
  --muted:         #8B857A;
  --line:          #E3D9C7;

  /* Wood */
  --wood-light:    #D4B896;
  --wood-mid:      #A67C52;
  --wood-dark:     #6B4E31;

  /* Brand */
  --brand:         #9C2335;
  --brand-soft:    #B84155;
  --brand-ink:     #6D1826;

  /* Variant accents */
  --regular-acc:   #C89B4A;
  --sensitive-acc: #5C2D7F;

  /* Sizing */
  --max:           1200px;
  --pad-x:         clamp(20px, 4vw, 48px);
  --radius:        18px;
  --radius-sm:     10px;

  /* Motion */
  --ease:          cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; transition: opacity .2s var(--ease); }
a:hover { opacity: 0.75; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

/* =========================================================
   Typography
   ========================================================= */
.display, .display-sm, h1, h2, h3 {
  font-family: 'Fraunces', 'Cormorant Garamond', Georgia, serif;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
  font-variation-settings: "opsz" 90, "SOFT" 30;
}

.display {
  font-size: clamp(2.4rem, 5.8vw, 4.6rem);
  font-weight: 400;
  letter-spacing: -0.025em;
}

.display em {
  font-style: italic;
  color: var(--brand);
  font-weight: 400;
}

.display-sm {
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  font-weight: 400;
}

.eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--wood-mid);
  display: inline-block;
  margin-bottom: 16px;
}

.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 58ch;
  margin: 24px 0 32px;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
}
.section-head .section-intro {
  margin-top: 24px;
  color: var(--ink-soft);
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
}

.btn-primary {
  background: var(--ink);
  color: #FFF;
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--brand);
  border-color: var(--brand);
  opacity: 1;
  transform: translateY(-1px);
  box-shadow: 0 10px 30px -12px rgba(156, 35, 53, 0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover {
  background: var(--cream);
  opacity: 1;
}

/* =========================================================
   Nav
   ========================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 248, 243, 0.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(227, 217, 199, 0.5);
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px var(--pad-x);
  display: flex;
  align-items: center;
  gap: 40px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.brand-mark {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 26px;
  color: var(--brand);
  letter-spacing: 0.05em;
}
.brand-sub {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.nav-links {
  display: flex;
  gap: 30px;
  margin-left: auto;
}
/* Mobile-only CTA inside nav drawer — hidden on desktop */
.nav-links .mobile-cta { display: none; }
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -6px;
  height: 1px;
  background: var(--brand);
  transition: right .3s var(--ease);
}
.nav-links a:hover { opacity: 1; color: var(--ink); }
.nav-links a:hover::after { right: 0; }

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--ink);
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  padding: clamp(60px, 10vw, 120px) 0 clamp(80px, 12vw, 140px);
  overflow: hidden;
  background:
    radial-gradient(ellipse 100% 60% at 80% 100%, rgba(212, 184, 150, 0.18), transparent 60%),
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(243, 236, 224, 0.6), transparent 60%),
    var(--bg);
}

.hero-grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
  background-image:
    repeating-linear-gradient(
      85deg,
      rgba(166, 124, 82, 0.012) 0px,
      rgba(166, 124, 82, 0.012) 1px,
      transparent 1px,
      transparent 3px
    );
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
  margin-bottom: 40px;
}

.hero-bullets {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.hero-bullets li {
  flex: 1 1 45%;
  min-width: 180px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--ink-soft);
  position: relative;
  padding-left: 22px;
}
.hero-bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 14px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--wood-mid);
}

/* Hero visual — photographic product shot on shelf */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-shot {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0;
  border-radius: 24px;
  overflow: hidden;
  box-shadow:
    0 60px 120px -40px rgba(107, 78, 49, 0.30),
    0 20px 40px -20px rgba(107, 78, 49, 0.14),
    inset 0 0 0 1px rgba(227, 217, 199, 0.6);
}

.hero-shot img {
  width: 100%;
  height: auto;
  display: block;
}

/* =========================================================
   Manifesto
   ========================================================= */
.manifesto {
  padding: clamp(80px, 12vw, 140px) 0;
  background: var(--bg-elev);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.manifesto-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}

.manifesto-text .eyebrow {
  margin-bottom: 16px;
}
.manifesto-text h2 {
  margin: 0 0 32px;
}

.manifesto-copy p {
  margin: 0 0 20px;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.manifesto-copy p:first-child {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.2rem, 1.6vw, 1.4rem);
  color: var(--ink);
  line-height: 1.45;
}

.manifesto-image {
  margin: 0;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow:
    0 40px 80px -40px rgba(107, 78, 49, 0.22),
    0 12px 24px -12px rgba(107, 78, 49, 0.10),
    inset 0 0 0 1px rgba(227, 217, 199, 0.5);
}
.manifesto-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* =========================================================
   Product
   ========================================================= */
.product {
  padding: clamp(80px, 12vw, 140px) 0;
  background: var(--bg);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.product-card {
  background: var(--bg-elev);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -30px rgba(107, 78, 49, 0.25);
}

.product-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .6s var(--ease);
}
.product-card:hover .product-image img {
  transform: scale(1.03);
}

.product-meta {
  padding: 32px 32px 36px;
}

.pill {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.pill-regular { background: rgba(200, 155, 74, 0.14); color: var(--regular-acc); }
.pill-sensitive { background: rgba(92, 45, 127, 0.12); color: var(--sensitive-acc); }

.product-title {
  font-size: 1.6rem;
  margin: 0 0 4px;
}

.product-tube-size {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 16px;
  letter-spacing: 0.02em;
}

.product-desc {
  color: var(--ink-soft);
  margin: 0 0 28px;
  font-size: 0.98rem;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.product-donation-note {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.01em;
  color: var(--muted);
  line-height: 1.4;
}
.product-donation-note a {
  color: var(--brand);
  text-decoration: underline;
  text-decoration-color: rgba(156, 35, 53, 0.25);
  text-underline-offset: 2px;
}
.product-donation-note a:hover {
  text-decoration-color: rgba(156, 35, 53, 0.6);
}

.price {
  font-family: 'Fraunces', serif;
  font-size: 1.7rem;
  color: var(--ink);
  font-weight: 400;
}

/* =========================================================
   Ingredients
   ========================================================= */
.ingredients {
  padding: clamp(80px, 12vw, 140px) 0;
  background: var(--bg-elev);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.ingredient-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 860px;
  margin: 0 auto;
  counter-reset: ingredient;
}

.ingredient {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.ingredient:first-child { border-top: none; padding-top: 0; }
.ingredient:last-child { padding-bottom: 0; }

.ingredient-num {
  font-family: 'Fraunces', serif;
  font-size: 1.5rem;
  font-weight: 300;
  font-style: italic;
  color: var(--wood-mid);
  padding-top: 2px;
}

.ingredient h4 {
  margin: 0 0 6px;
  font-family: 'Fraunces', serif;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.2;
}

.ingredient-sub {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-left: 6px;
}

.ingredient p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.ingredient-hero {
  background: linear-gradient(90deg, rgba(156, 35, 53, 0.04), transparent 80%);
  padding-left: 20px;
  margin-left: -20px;
  border-radius: var(--radius-sm);
  border-top-color: transparent !important;
  position: relative;
}
.ingredient-hero::before {
  content: '';
  position: absolute;
  left: 0; top: 28px; bottom: 28px;
  width: 3px;
  background: var(--brand);
  border-radius: 2px;
}
.ingredient-hero .ingredient-num { color: var(--brand); }

.ingredient-sensitive-only {
  background: linear-gradient(90deg, rgba(92, 45, 127, 0.04), transparent 80%);
  padding-left: 20px;
  margin-left: -20px;
  border-radius: var(--radius-sm);
}
.ingredient-sensitive-only::before {
  content: '';
  position: absolute;
  left: 0; top: 28px; bottom: 28px;
  width: 3px;
  background: var(--sensitive-acc);
  border-radius: 2px;
}
.ingredient-sensitive-only .ingredient-num { color: var(--sensitive-acc); }

/* =========================================================
   Not Inside
   ========================================================= */
.not-inside {
  padding: clamp(80px, 12vw, 140px) 0;
  background: var(--bg);
}

.not-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  max-width: 1000px;
  margin: 0 auto;
}

.not-item {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 22px 24px;
  position: relative;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.not-item:hover {
  transform: translateY(-2px);
  border-color: var(--wood-light);
}

.not-x {
  position: absolute;
  top: 16px;
  right: 18px;
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: 22px;
  color: var(--brand-soft);
  opacity: 0.6;
}

.not-item h4 {
  margin: 0 0 6px;
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--ink);
  padding-right: 24px;
}

.not-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* =========================================================
   Fluoride
   ========================================================= */
.fluoride {
  padding: clamp(80px, 12vw, 140px) 0;
  background:
    linear-gradient(180deg, var(--cream) 0%, var(--bg) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.fluoride-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.fluoride-copy p {
  color: var(--ink-soft);
  margin: 0 0 20px;
  font-size: 1.03rem;
}

.fluoride-contrast {
  margin-top: 40px;
  padding: 32px;
  background: var(--bg-elev);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
}
.fluoride-contrast h3 {
  margin: 0 0 16px;
  font-family: 'Fraunces', serif;
  font-size: 1.3rem;
  font-weight: 500;
}
.fluoride-contrast p:last-child { margin-bottom: 0; }

.fluoride-stat-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: 100px;
}

.stat-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  text-align: left;
  transition: transform .4s var(--ease);
}
.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--wood-light);
}

.stat-num {
  font-family: 'Fraunces', serif;
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1;
  color: var(--brand);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.stat-num span {
  font-size: 0.4em;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  margin-left: 4px;
  vertical-align: middle;
}

.stat-label {
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* =========================================================
   Buy
   ========================================================= */
.buy {
  padding: clamp(80px, 12vw, 140px) 0;
  background: var(--bg);
}

.buy-card {
  background: var(--bg-elev);
  border-radius: 24px;
  border: 1px solid var(--line);
  padding: clamp(40px, 6vw, 72px);
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  position: relative;
  overflow: hidden;
}

.buy-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(166, 124, 82, 0.08), transparent 70%);
  border-radius: 50%;
  transform: translate(30%, -30%);
}

.buy-copy p {
  color: var(--ink-soft);
  margin: 0 0 18px;
}
.buy-copy a {
  color: var(--brand);
  text-decoration: underline;
  text-decoration-color: rgba(156, 35, 53, 0.25);
  text-underline-offset: 3px;
}

.buy-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0 16px;
}

.buy-fine {
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px !important;
}

.buy-visual {
  position: relative;
  margin: 0;
  width: 100%;
  max-width: 360px;
  aspect-ratio: 4 / 5;
  justify-self: center;
  border-radius: 20px;
  overflow: hidden;
  box-shadow:
    0 40px 80px -30px rgba(107, 78, 49, 0.35),
    0 12px 24px -12px rgba(107, 78, 49, 0.14),
    inset 0 0 0 1px rgba(227, 217, 199, 0.5);
}
.buy-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.buy-visual-caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 28px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #FFF;
  background: linear-gradient(0deg,
    rgba(28, 27, 25, 0.70) 0%,
    rgba(28, 27, 25, 0.30) 60%,
    transparent 100%);
}
.buy-visual-brand {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.35rem, 2vw, 1.6rem);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.buy-visual-arrow {
  font-size: 1.8rem;
  font-weight: 300;
}

.buy-fine a {
  color: var(--brand);
  text-decoration: underline;
  text-decoration-color: rgba(156, 35, 53, 0.25);
  text-underline-offset: 2px;
}

/* =========================================================
   Sanctuary
   ========================================================= */
.sanctuary {
  padding: clamp(70px, 10vw, 120px) 0;
  background:
    linear-gradient(180deg, var(--bg) 0%, var(--cream) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}

.sanctuary-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.sanctuary-copy h2 {
  margin: 0 0 24px;
}
.sanctuary-copy p {
  color: var(--ink-soft);
  margin: 0 0 18px;
  font-size: 1.04rem;
  max-width: 56ch;
}
.sanctuary-copy p:first-of-type {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.15rem, 1.5vw, 1.3rem);
  color: var(--ink);
  line-height: 1.5;
}
.sanctuary-copy a {
  color: var(--brand);
  text-decoration: underline;
  text-decoration-color: rgba(156, 35, 53, 0.25);
  text-underline-offset: 3px;
}
.sanctuary-copy .btn {
  margin-top: 14px;
}
.sanctuary-copy .btn-ghost {
  text-decoration: none;
  color: var(--ink);
}
.sanctuary-copy .btn-ghost:hover {
  color: var(--ink);
  text-decoration: none;
}

.sanctuary-stat {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius);
  padding: 36px 32px;
  text-align: left;
  align-self: center;
  box-shadow: 0 30px 60px -40px rgba(107, 78, 49, 0.18);
}
.sanctuary-stat-num {
  font-family: 'Fraunces', serif;
  font-size: clamp(3rem, 5.5vw, 4.5rem);
  font-weight: 400;
  line-height: 1;
  color: var(--brand);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.sanctuary-stat-label {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.5;
  max-width: 30ch;
}

/* Footer link styling */
.foot-blurb a {
  color: #F3ECE0;
  text-decoration: underline;
  text-decoration-color: rgba(243, 236, 224, 0.4);
  text-underline-offset: 2px;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq {
  padding: clamp(80px, 12vw, 140px) 0;
  background: var(--bg-elev);
  border-top: 1px solid var(--line);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-list details {
  border-top: 1px solid var(--line);
  padding: 6px 0;
}
.faq-list details:last-child { border-bottom: 1px solid var(--line); }

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 4px;
  cursor: pointer;
  list-style: none;
  font-family: 'Fraunces', serif;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ink);
  gap: 20px;
}
.faq-list summary::-webkit-details-marker { display: none; }

.faq-plus {
  font-family: 'Fraunces', serif;
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--wood-mid);
  transition: transform .3s var(--ease);
  flex-shrink: 0;
}
.faq-list details[open] .faq-plus {
  transform: rotate(45deg);
  color: var(--brand);
}

.faq-body {
  padding: 0 4px 24px;
  color: var(--ink-soft);
  max-width: 68ch;
}
.faq-body p { margin: 0; }

/* =========================================================
   Footer
   ========================================================= */
.foot {
  background: var(--ink);
  color: #D9D5CE;
  padding-top: 72px;
}

.foot-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: clamp(40px, 6vw, 80px);
  padding-bottom: 56px;
}

.foot-brand .brand-mark { color: #F3ECE0; }
.foot-brand .brand-sub { color: rgba(255, 255, 255, 0.5); }

.foot-blurb {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  max-width: 28ch;
}

.foot-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.foot-cols h5 {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.45);
  font-weight: 500;
  margin: 0 0 18px;
}
.foot-cols ul {
  list-style: none;
  padding: 0; margin: 0;
}
.foot-cols li {
  margin-bottom: 10px;
  font-size: 0.92rem;
}
.foot-cols a { color: #F3ECE0; }

.foot-base {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}
.foot-base-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px) {
  /* Hide desktop nav links + Shop-now button; show hamburger */
  .nav-links { display: none; }
  .nav .btn-primary { display: none; }
  .nav-toggle {
    display: flex;
    margin-left: auto;
    z-index: 60;
  }

  /* Mobile menu drawer — slides in below the nav bar */
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--bg-elev);
    padding: 24px var(--pad-x) 28px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px -20px rgba(28, 27, 25, 0.18);
    gap: 4px;
  }
  .nav-links.open a {
    padding: 14px 0;
    font-size: 18px;
    font-family: 'Fraunces', serif;
    font-weight: 400;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open a:last-of-type {
    border-bottom: none;
  }
  .nav-links.open a::after { display: none; }
  .nav-links.open .mobile-cta {
    display: block;
    margin-top: 18px;
    padding: 14px 24px;
    background: var(--ink);
    color: #FFF;
    border-radius: 999px;
    text-align: center;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    font-weight: 500;
    border-bottom: none !important;
  }

  /* Animated hamburger icon — turns into an X when menu is open */
  .nav-toggle span {
    transition: transform .25s var(--ease), opacity .2s var(--ease);
    transform-origin: center;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(5.5px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-5.5px) rotate(-45deg);
  }

  .hero-inner,
  .manifesto-grid,
  .fluoride-inner,
  .buy-card,
  .sanctuary-inner,
  .foot-inner {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .buy-visual { order: -1; }

  .foot-cols { grid-template-columns: repeat(2, 1fr); }

  .fluoride-stat-stack { position: static; }

  .ingredient {
    grid-template-columns: 56px 1fr;
    gap: 18px;
  }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero { padding-top: 40px; }
  .tube-card { max-width: 320px; }
  .product-meta { padding: 24px 22px 28px; }
  .product-footer { flex-direction: column; align-items: stretch; }
  .product-footer .btn { width: 100%; }
  .foot-cols { grid-template-columns: 1fr; }
  .not-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   Reveal animation
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}