:root {
  --violet: #5a3d91;
  --lavender: #bca8e6;
  --gold: #c8a96a;
  --pearl: #fbfaf8;
  --charcoal: #171717;
  --smoke: #f0edf4;
  --muted: #6f6875;
  --glass: rgba(255, 255, 255, 0.62);
  --line: rgba(90, 61, 145, 0.16);
  --shadow: 0 24px 70px rgba(47, 31, 78, 0.14);
  --home-cover-desktop: url("assets/cover01.webp");
  --home-cover-mobile: url("assets/cover-mobile.webp");
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--charcoal);
  background: var(--pearl);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(22px, 5vw, 72px);
  background: rgba(251, 250, 248, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(22px);
}

.brand {
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(1.45rem, 2.2vw, 2.1rem);
  font-weight: 600;
  letter-spacing: 0.13em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 42px);
  color: rgba(23, 23, 23, 0.7);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
}

.main-nav a,
.site-footer a {
  transition: color 180ms ease;
}

.main-nav a:hover,
.site-footer a:hover {
  color: var(--violet);
}

.header-origin {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(200, 169, 106, 0.34);
  border-radius: 999px;
  padding: 0 13px;
  color: rgba(90, 61, 145, 0.78);
  background: rgba(255, 255, 255, 0.46);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.header-origin span {
  width: 8px;
  height: 8px;
  border: 1px solid rgba(90, 61, 145, 0.48);
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(200, 169, 106, 0.14);
}

.header-origin strong {
  font: inherit;
  white-space: nowrap;
}

.header-cta,
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(200, 169, 106, 0.55);
  border-radius: 999px;
  padding: 0 22px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover,
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(90, 61, 145, 0.16);
}

.button.primary,
.header-cta {
  color: white;
  background: linear-gradient(135deg, var(--violet), #4a2f80);
}

.button.secondary {
  color: var(--violet);
  background: rgba(255, 255, 255, 0.58);
}

.button.light {
  border-color: rgba(200, 169, 106, 0.7);
  background: rgba(255, 255, 255, 0.92);
  color: var(--violet);
  box-shadow: 0 16px 42px rgba(35, 17, 69, 0.22);
}

.section {
  position: relative;
  overflow: hidden;
  padding: clamp(64px, 7vw, 110px) clamp(22px, 6vw, 96px);
}

.section-inner,
.section-heading,
.concept-grid,
.ingredient-columns,
.steps,
.result-grid,
.before-after-tabs,
.product-flow,
.ritual-panels,
.review-grid,
.accordion,
.site-footer {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.hero {
  min-height: 750px;
  display: grid;
  align-items: center;
  padding-top: 104px;
  padding-bottom: 54px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(251, 250, 248, 0.9) 0%, rgba(251, 250, 248, 0.58) 34%, rgba(251, 250, 248, 0.02) 58%),
    var(--home-cover-desktop) center right / cover no-repeat;
}

.hero::after,
.ingredients::after {
  content: "";
  position: absolute;
  inset: auto -12% 10% 46%;
  height: 32%;
  background: radial-gradient(circle, rgba(188, 168, 230, 0.42), transparent 68%);
  filter: blur(10px);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(670px, 100%);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 600;
  line-height: 1.02;
}

h1 {
  max-width: 620px;
  margin-bottom: 24px;
  font-size: clamp(2.8rem, 4vw, 5.5rem);
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2rem, 3.6vw, 4rem);
}

h3 {
  font-size: clamp(1rem, 1.35vw, 1.28rem);
}

.hero-copy,
.section-heading p,
.center-statement {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.12vw, 1.08rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  width: 1px;
  height: 68px;
  background: linear-gradient(var(--gold), transparent);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 0.86fr);
  align-items: center;
  gap: clamp(34px, 6vw, 78px);
}

.repair {
  background:
    radial-gradient(circle at 78% 22%, rgba(188, 168, 230, 0.32), transparent 34%),
    linear-gradient(135deg, var(--pearl) 0%, #f6f2fb 52%, rgba(188,168,230,0.24) 100%);
}

.large-line {
  margin-bottom: 8px;
  font-size: clamp(1.2rem, 1.8vw, 1.85rem);
  font-weight: 600;
}

.large-line.muted {
  color: var(--violet);
}

.repair-description {
  max-width: 540px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.12vw, 1.08rem);
}

.repair-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.repair-metrics span {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(200, 169, 106, 0.32);
  border-radius: 999px;
  padding: 0 16px;
  color: var(--violet);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 12px 28px rgba(90,61,145,0.08);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  backdrop-filter: blur(14px);
}

.cell-motion {
  position: relative;
  display: grid;
  gap: 20px;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.86), rgba(188,168,230,0.22)),
    rgba(255,255,255,0.42);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.cell-track {
  display: grid;
  grid-template-columns: minmax(86px, 1fr) 42px minmax(86px, 1fr) 42px minmax(86px, 1fr);
  align-items: center;
  gap: 10px;
}

.cell {
  width: 100%;
  max-width: 150px;
  justify-self: center;
  display: grid;
  justify-items: center;
  gap: 10px;
  margin: 0;
}

.cell img {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  object-fit: contain;
  border-radius: 50%;
  background:
    radial-gradient(circle at 38% 35%, rgba(255,255,255,0.95), transparent 22%),
    radial-gradient(circle at 55% 52%, rgba(90,61,145,0.48), rgba(188,168,230,0.22) 48%, rgba(255,255,255,0.8) 72%);
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow: inset 0 0 42px rgba(90,61,145,0.18), 0 18px 42px rgba(90,61,145,0.15);
  animation: pulse 4s ease-in-out infinite;
}

.damaged img {
  filter: saturate(0.65);
  opacity: 0.76;
}

.repaired img {
  animation-delay: 1s;
}

.cell figcaption,
.card-icon,
.result-card span,
.product-stage span,
.ritual-mark {
  color: var(--violet);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.flow-arrow {
  width: 42px;
  height: 1px;
  justify-self: center;
  background: linear-gradient(90deg, var(--gold), var(--lavender));
}

.cell-caption {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(90,61,145,0.12);
}

.cell-caption span {
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.cell-caption p {
  max-width: 330px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
  text-align: right;
}

.section-heading {
  position: relative;
  z-index: 1;
  text-align: center;
}

.section-heading p {
  margin-inline: auto;
}

.align-left {
  text-align: left;
}

.align-left p {
  margin-left: 0;
}

.philosophy {
  background:
    radial-gradient(circle at 82% 20%, rgba(188,168,230,0.28), transparent 32%),
    linear-gradient(180deg, rgba(188,168,230,0.12), transparent 56%),
    var(--pearl);
}

.philosophy-hero {
  width: min(1180px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 0.78fr);
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
  margin: 0 auto;
}

.philosophy-hero .section-heading {
  margin: 0;
}

.philosophy-visual {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.84);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.philosophy-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.philosophy-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 40%, rgba(23,23,23,0.34)),
    radial-gradient(circle at 18% 18%, rgba(255,255,255,0.45), transparent 28%);
}

.visual-note {
  position: absolute;
  z-index: 2;
  right: 18px;
  bottom: 18px;
  left: 18px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.36);
  border-radius: 8px;
  color: white;
  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(18px);
}

.visual-note span {
  color: rgba(255,255,255,0.76);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
}

.visual-note strong {
  max-width: 230px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(1.1rem, 1.4vw, 1.35rem);
  font-weight: 600;
  line-height: 1.08;
  text-align: right;
}

.concept-grid,
.result-grid,
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 56px;
}

.glass-card,
.result-card,
.review-grid article,
.accordion details {
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 8px;
  background: var(--glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.glass-card {
  position: relative;
  min-height: 270px;
  overflow: hidden;
  padding: 32px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.86), rgba(255,255,255,0.48)),
    radial-gradient(circle at 80% 10%, rgba(188,168,230,0.2), transparent 30%);
}

.philosophy .glass-card::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 42%;
  background:
    linear-gradient(180deg, transparent, rgba(90,61,145,0.1)),
    var(--card-bg) center / cover no-repeat;
  opacity: 0.28;
  pointer-events: none;
}

.philosophy .glass-card:nth-child(1) {
  --card-bg: url("assets/luxury-botanical-skincare.webp");
}

.philosophy .glass-card:nth-child(2) {
  --card-bg: url("assets/luxury-botanical-skincare.webp");
}

.philosophy .glass-card:nth-child(3) {
  --card-bg: url("assets/luxury-british-skincare.webp");
}

.philosophy .glass-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 32px;
  width: 1px;
  height: 54px;
  background: linear-gradient(var(--gold), transparent);
}

.concept-number {
  position: absolute;
  top: 26px;
  right: 28px;
  color: rgba(90,61,145,0.14);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 4rem;
  line-height: 1;
}

.philosophy .glass-card .card-icon,
.philosophy .glass-card h3,
.philosophy .glass-card p {
  position: relative;
  z-index: 1;
}

.philosophy .glass-card .card-icon {
  color: var(--gold);
}

.philosophy .glass-card h3 {
  margin: 62px 0 14px;
}

.philosophy .glass-card p {
  max-width: 270px;
  color: var(--muted);
}

.glass-card h3,
.result-card h3 {
  margin: 28px 0 10px;
}

.ingredients {
  min-height: 620px;
  display: grid;
  align-items: center;
  background: #f8f6fb;
}

.micro-bg {
  position: absolute;
  inset: 0;
  opacity: 0.98;
  background:
    linear-gradient(90deg, rgba(251,250,248,0.96) 0%, rgba(251,250,248,0.68) 42%, rgba(251,250,248,0.1) 76%),
    url("assets/sacnam-micro-world.webp") center right / cover no-repeat;
}

.micro-bg::before {
  content: "";
  position: absolute;
  inset: 10% 0 0;
  background-image:
    linear-gradient(115deg, transparent 0 46%, rgba(90,61,145,0.1) 47% 49%, transparent 50%),
    linear-gradient(65deg, transparent 0 46%, rgba(200,169,106,0.13) 47% 49%, transparent 50%);
  background-size: 180px 180px;
  mask-image: radial-gradient(circle at 50% 52%, black, transparent 68%);
}

.ingredient-columns {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 58px;
}

.ingredient-columns article {
  padding: 32px;
  border-left: 1px solid var(--gold);
  background: rgba(255, 255, 255, 0.44);
  backdrop-filter: blur(16px);
}

.ingredient-columns h3 {
  color: var(--violet);
}

.ingredient-columns p {
  margin-bottom: 9px;
  font-size: clamp(1.02rem, 1.3vw, 1.28rem);
}

.pdrn-science {
  background:
    linear-gradient(120deg, transparent 0 58%, rgba(90, 61, 145, 0.08) 58% 58.4%, transparent 58.6%),
    linear-gradient(35deg, transparent 0 70%, rgba(200, 169, 106, 0.12) 70% 70.35%, transparent 70.55%),
    radial-gradient(circle at 15% 18%, rgba(188, 168, 230, 0.24), transparent 30%),
    radial-gradient(circle at 84% 34%, rgba(200, 169, 106, 0.14), transparent 28%),
    linear-gradient(180deg, #fff, #f7f4fb);
}

.pdrn-science::before {
  content: "";
  position: absolute;
  top: 64px;
  right: clamp(20px, 6vw, 96px);
  width: clamp(120px, 16vw, 230px);
  aspect-ratio: 0.72;
  border: 1px solid rgba(90, 61, 145, 0.12);
  border-radius: 50% 50% 46% 46%;
  opacity: 0.7;
  transform: rotate(-12deg);
  pointer-events: none;
}

.pdrn-science::after {
  content: "";
  position: absolute;
  top: 84px;
  right: clamp(48px, 8vw, 138px);
  width: 1px;
  height: clamp(120px, 14vw, 210px);
  background:
    linear-gradient(var(--gold), transparent),
    repeating-linear-gradient(180deg, rgba(90, 61, 145, 0.18) 0 8px, transparent 8px 18px);
  opacity: 0.6;
  transform: rotate(-12deg);
  pointer-events: none;
}

.pdrn-grid {
  width: min(1180px, 100%);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: clamp(42px, 6vw, 68px) auto 0;
}

.pdrn-grid article {
  min-height: 230px;
  padding: clamp(24px, 2.6vw, 32px);
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.88), rgba(255,255,255,0.58)),
    rgba(255,255,255,0.64);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.pdrn-grid span {
  color: var(--gold);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 2.7rem;
  line-height: 1;
}

.pdrn-grid h3 {
  margin: 28px 0 12px;
  color: var(--violet);
}

.pdrn-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.pdrn-process {
  width: min(1180px, 100%);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 34px auto 0;
  padding: 10px;
  border: 1px solid rgba(90, 61, 145, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 18px 48px rgba(63, 42, 99, 0.1);
}

.pdrn-process span {
  position: relative;
  min-height: 222px;
  display: grid;
  grid-template-rows: 1fr auto auto;
  gap: 7px;
  align-items: end;
  overflow: hidden;
  padding: 10px 10px 13px;
  border-radius: 8px;
  color: var(--violet);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.34), rgba(188,168,230,0.24)),
    rgba(188, 168, 230, 0.14);
  text-align: center;
}

.pdrn-process em {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  padding: 0 10px;
  color: white;
  background: rgba(90, 61, 145, 0.56);
  backdrop-filter: blur(12px);
  font-size: 0.64rem;
  font-style: normal;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
}

.pdrn-process strong {
  font-size: 0.74rem;
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
}

.pdrn-process-image {
  width: 100%;
  min-height: 150px;
  display: block;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
}

.pdrn-process-image img {
  display: block;
  width: 100%;
  height: 220px;
  max-width: none;
  object-fit: cover;
}

.pdrn-process-image .pdrn-salmon {
  object-position: 0% center;
}

.pdrn-process-image .pdrn-extraction {
  object-position: 33.33% center;
}

.pdrn-process-image .pdrn-purification {
  object-position: 66.66% center;
}

.pdrn-process-image .pdrn-final {
  object-position: 100% center;
}

.pdrn-process span:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -12px;
  width: 12px;
  height: 1px;
  background: var(--gold);
}

.transformation {
  background: linear-gradient(180deg, var(--pearl), #f3eff9);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 34px);
  margin-top: 64px;
}

.step {
  position: relative;
  min-height: 280px;
  padding: 34px 24px;
  border-top: 1px solid rgba(90,61,145,0.18);
}

.step span {
  color: var(--gold);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 3.7rem;
}

.results {
  background:
    radial-gradient(circle at 18% 16%, rgba(188,168,230,0.2), transparent 30%),
    radial-gradient(circle at 76% 72%, rgba(200,169,106,0.12), transparent 28%),
    linear-gradient(180deg, var(--pearl), #fff);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(42px, 6vw, 72px);
}

.result-card {
  position: relative;
  aspect-ratio: 1 / 0.78;
  overflow: hidden;
  padding: 0;
  border-color: rgba(255, 255, 255, 0.78);
  background: #fff;
  box-shadow: 0 26px 72px rgba(63, 42, 99, 0.14);
  backdrop-filter: none;
}

.result-card::after {
  content: "";
  position: absolute;
  inset: 42% 0 0;
  background: linear-gradient(180deg, transparent, rgba(23, 23, 23, 0.48));
  pointer-events: none;
}

.result-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms ease;
}

.result-card:hover img {
  transform: scale(1.035);
}

.result-card div {
  position: absolute;
  z-index: 2;
  inset: auto 14px 14px;
  min-height: 86px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(18px);
}

.result-card h3 {
  margin: 14px 0 0;
  color: white;
  font-size: clamp(0.98rem, 1.15vw, 1.18rem);
  line-height: 1.22;
}

.result-card span {
  color: rgba(255, 255, 255, 0.72);
}

.collection {
  background: #fff;
}

.product-flow {
  display: grid;
  gap: clamp(18px, 4vw, 32px);
  margin-top: 56px;
}

.product-stage {
  --product-image: url("assets/sacnam-collection.webp");
  position: sticky;
  top: 100px;
  min-height: 46svh;
  display: grid;
  align-content: center;
  justify-items: start;
  padding: clamp(34px, 6vw, 76px) clamp(30px, 7vw, 86px);
  overflow: hidden;
  border: 1px solid rgba(90,61,145,0.12);
  border-radius: 8px;
  background:
    linear-gradient(90deg, #fff 0%, #fff 48%, #fbfaf8 48%, #fbfaf8 100%);
  box-shadow: 0 18px 70px rgba(35, 21, 55, 0.08);
}

.product-toner {
  --product-image: url("assets/product-toner.webp");
}

.product-lotion {
  --product-image: url("assets/lotion.webp");
}

.product-cream {
  --product-image: url("assets/day-cream.webp");
}

.product-mask {
  --product-image: url("assets/mask.webp");
}

.product-soothing-mask {
  --product-image: url("assets/cream.webp");
}

.product-stage::before {
  content: "";
  position: absolute;
  top: clamp(42px, 6vw, 76px);
  bottom: clamp(42px, 6vw, 76px);
  left: clamp(24px, 5vw, 62px);
  z-index: 1;
  width: 2px;
  background: linear-gradient(var(--gold), rgba(200, 169, 106, 0.12));
}

.product-stage::after {
  content: "";
  position: absolute;
  inset: 0 0 0 48%;
  z-index: 0;
  background: var(--product-image) center / cover no-repeat;
  pointer-events: none;
}

.product-stage span,
.product-stage h3,
.product-stage p {
  position: relative;
  z-index: 2;
}

.product-stage h3 {
  width: min(360px, 32vw);
  max-width: 100%;
  margin: 20px 0 18px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(2.25rem, 3.25vw, 3.8rem);
  line-height: 0.98;
  overflow-wrap: break-word;
}

.product-stage p {
  width: min(360px, 32vw);
  max-width: 100%;
  color: rgba(23, 23, 23, 0.66);
  font-size: clamp(0.94rem, 1.08vw, 1.05rem);
}

.real-results {
  background:
    radial-gradient(circle at 82% 18%, rgba(188, 168, 230, 0.26), transparent 34%),
    linear-gradient(180deg, #fff, var(--pearl));
}

.before-after-tabs {
  display: grid;
  gap: 28px;
  margin-top: clamp(42px, 6vw, 72px);
}

.tab-controls {
  width: fit-content;
  max-width: 100%;
  display: flex;
  gap: 14px;
  margin: 0 auto;
  padding: 6px;
  border: 1px solid rgba(90, 61, 145, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 16px 45px rgba(63, 42, 99, 0.1);
  backdrop-filter: blur(18px);
}

.tab-button {
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  padding: 0 20px;
  color: rgba(23, 23, 23, 0.64);
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.tab-button.active {
  color: white;
  background: linear-gradient(135deg, var(--violet), #4a2f80);
  box-shadow: 0 10px 24px rgba(90, 61, 145, 0.22);
}

.before-after-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.42fr) minmax(0, 1fr);
  gap: clamp(26px, 5vw, 64px);
  align-items: center;
  padding: clamp(18px, 2.8vw, 34px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.78), rgba(188,168,230,0.14)),
    rgba(255,255,255,0.62);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.before-after-panel[hidden] {
  display: none;
}

.result-copy span {
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.result-copy h3 {
  margin: 18px 0 18px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(1.45rem, 2.25vw, 2.35rem);
  line-height: 1.02;
}

.result-copy p {
  max-width: 420px;
  color: var(--muted);
}

.comparison-frame {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(63, 42, 99, 0.16);
}

.comparison-labels {
  position: absolute;
  inset: auto 18px 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.comparison-labels span {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.44);
  border-radius: 999px;
  color: white;
  background: rgba(23, 23, 23, 0.22);
  backdrop-filter: blur(16px);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.comparison-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 1.72 / 1;
  overflow: hidden;
  background: #f7f2ee;
}

.comparison-image {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.comparison-image img {
  position: absolute;
  top: 0;
  display: block;
  width: 200%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}

.comparison-before img {
  left: 0;
}

.comparison-after {
  clip-path: inset(0 0 0 var(--position));
}

.comparison-after img {
  right: 0;
}

.comparison-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--position);
  z-index: 3;
  width: 2px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 0 26px rgba(23, 23, 23, 0.28);
  transform: translateX(-50%);
  pointer-events: none;
}

.comparison-handle span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 54px;
  height: 54px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 50%;
  background: rgba(90, 61, 145, 0.72);
  box-shadow: 0 14px 35px rgba(23, 23, 23, 0.24);
  backdrop-filter: blur(18px);
  transform: translate(-50%, -50%);
}

.comparison-handle span::before,
.comparison-handle span::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 9px;
  height: 9px;
  border-top: 2px solid white;
  border-left: 2px solid white;
}

.comparison-handle span::before {
  left: 16px;
  transform: translateY(-50%) rotate(-45deg);
}

.comparison-handle span::after {
  right: 16px;
  transform: translateY(-50%) rotate(135deg);
}

.comparison-range {
  position: absolute;
  inset: 0;
  z-index: 4;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
}

.daily {
  background:
    radial-gradient(circle at 50% 28%, rgba(188, 168, 230, 0.26), transparent 34%),
    linear-gradient(180deg, #fff, var(--pearl));
}

.ritual-panels {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(260px, 0.78fr) minmax(260px, 0.9fr);
  gap: clamp(18px, 2.8vw, 34px);
  align-items: stretch;
  margin-top: clamp(38px, 5vw, 64px);
}

.ritual-card {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.84), rgba(255,255,255,0.52)),
    rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.ritual-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(var(--gold), var(--lavender), transparent);
}

.night-ritual::before {
  inset: 0 0 0 auto;
}

.ritual-card-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(90, 61, 145, 0.12);
}

.ritual-card-head strong {
  font-family: "Playfair Display", Georgia, serif;
  color: var(--charcoal);
  font-size: clamp(1.35rem, 2vw, 2rem);
  font-weight: 600;
  line-height: 1.05;
}

.ritual-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ritual-list li {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.ritual-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 42px;
  left: 20px;
  width: 1px;
  height: calc(100% - 24px);
  background: linear-gradient(rgba(200,169,106,0.5), rgba(188,168,230,0.28));
}

.ritual-list li > span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(200, 169, 106, 0.42);
  border-radius: 50%;
  color: var(--violet);
  background: rgba(255,255,255,0.7);
  font-size: 0.68rem;
  font-weight: 800;
}

.ritual-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--charcoal);
  font-size: 0.98rem;
}

.ritual-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.ritual-product {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 30%, rgba(90, 61, 145, 0.18), transparent 42%),
    linear-gradient(180deg, rgba(255,255,255,0.88), rgba(246,242,251,0.9));
  box-shadow: var(--shadow);
}

.ritual-product::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(200, 169, 106, 0.22);
  border-radius: 8px;
  pointer-events: none;
}

.ritual-product img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 66% center;
  mix-blend-mode: multiply;
}

.britain {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(40px, 7vw, 90px);
  background:
    linear-gradient(90deg, rgba(255,255,255,0.55), transparent 44%),
    repeating-linear-gradient(90deg, transparent 0 76px, rgba(90,61,145,0.035) 76px 77px),
    #f7f5f1;
}

.lab-panel {
  min-height: 520px;
  position: relative;
  border: 1px solid rgba(255,255,255,0.9);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(23,23,23,0.08)),
    url("assets/sacnam-british-lab.webp") center / cover no-repeat;
  box-shadow: var(--shadow);
}

.coordinates {
  position: absolute;
  top: 30px;
  left: 30px;
  color: var(--violet);
  font-size: 0.78rem;
  font-weight: 800;
}

.research-seal {
  position: absolute;
  right: 26px;
  bottom: 26px;
  width: 142px;
  height: 142px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 50%;
  color: white;
  background: rgba(90, 61, 145, 0.34);
  box-shadow: inset 0 0 0 8px rgba(255,255,255,0.13), 0 20px 42px rgba(23,23,23,0.14);
  text-align: center;
  backdrop-filter: blur(12px);
}

.research-seal::before {
  content: "";
  position: absolute;
  inset: 13px;
  border: 1px solid rgba(200, 169, 106, 0.72);
  border-radius: 50%;
}

.research-seal span {
  display: block;
  color: rgba(255,255,255,0.78);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.research-seal strong {
  position: relative;
  z-index: 1;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.02;
}

.british-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.british-points span {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(200, 169, 106, 0.34);
  border-radius: 999px;
  padding: 0 15px;
  color: var(--violet);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 12px 26px rgba(90,61,145,0.08);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
}

.document-stack span {
  display: none;
}

.document-stack span:nth-child(1) {
  top: 18%;
  transform: rotate(-6deg);
}

.document-stack span:nth-child(2) {
  top: 23%;
  transform: rotate(4deg);
}

.document-stack span:nth-child(3) {
  top: 29%;
  transform: rotate(-1deg);
}

.belief {
  background:
    linear-gradient(rgba(255,255,255,0.78), rgba(255,255,255,0.94)),
    radial-gradient(circle at center, rgba(188,168,230,0.32), transparent 52%);
}

.belief h3 {
  color: var(--violet);
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(1.35rem, 2.2vw, 2.2rem);
}

.packaging {
  min-height: 660px;
  display: grid;
  align-items: center;
  background:
    linear-gradient(180deg, #fff, var(--pearl));
}

.packshot {
  position: relative;
  width: min(720px, 92vw);
  height: min(460px, 70vw);
  margin: 42px auto 0;
  border: 1px solid rgba(255,255,255,0.86);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(251,250,248,0.1), rgba(251,250,248,0.1)),
    url("assets/detail.webp") center / cover no-repeat;
  box-shadow: var(--shadow);
}

.packshot::after {
  content: none;
}

.box,
.bottle,
.jar {
  display: none;
}

.final-product {
  position: absolute;
  bottom: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.28), transparent 28%), linear-gradient(180deg, #f7f5f8 0 18%, var(--violet) 18% 100%);
  border: 1px solid rgba(255,255,255,0.72);
  box-shadow: inset 15px 0 26px rgba(255,255,255,0.24), 0 26px 58px rgba(60, 35, 101, 0.24);
}

.box {
  left: 12%;
  width: 170px;
  height: 330px;
  border-radius: 4px;
  background: linear-gradient(90deg, #fff 0 75%, var(--violet) 75% 100%);
}

.bottle {
  left: 42%;
  width: 116px;
  height: 390px;
  border-radius: 60px 60px 18px 18px;
}

.jar {
  right: 12%;
  width: 190px;
  height: 160px;
  border-radius: 28px;
}

.review-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.review-grid article {
  padding: 28px;
}

.review-grid p {
  color: var(--charcoal);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.3rem;
  line-height: 1.25;
}

.review-grid span {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.questions {
  background: #fff;
}

.accordion {
  margin-top: 46px;
}

.accordion details {
  margin-bottom: 14px;
  padding: 0 28px;
}

.accordion summary {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: var(--violet);
  font-weight: 700;
}

.accordion summary::after {
  content: "+";
  color: var(--gold);
  font-size: 1.5rem;
}

.accordion details[open] summary::after {
  content: "-";
}

.accordion details p {
  max-width: 760px;
  padding-bottom: 24px;
  color: var(--muted);
}

.final-hero {
  min-height: 70svh;
  display: grid;
  place-items: center;
  color: white;
  background:
    radial-gradient(circle at center, rgba(35,17,69,0.28) 0%, rgba(35,17,69,0.58) 56%, rgba(20,10,36,0.76) 100%),
    linear-gradient(180deg, rgba(35,17,69,0.12), rgba(35,17,69,0.42)),
    url("assets/sacnam-final-hero.webp") center / cover no-repeat;
  text-align: center;
  padding-top: clamp(64px, 7vw, 96px);
  padding-bottom: clamp(64px, 7vw, 96px);
}

.final-hero .section-heading {
  display: grid;
  justify-items: center;
  max-width: 760px;
  padding-top: 4vh;
}

.final-hero .eyebrow {
  margin-bottom: 14px;
  color: rgba(255,255,255,0.78);
}

.final-hero h2 {
  max-width: 650px;
  margin-bottom: 20px;
  font-size: clamp(2.4rem, 4.2vw, 4.4rem);
  text-shadow: 0 14px 38px rgba(20, 10, 36, 0.46);
}

.final-hero p {
  max-width: 700px;
  color: rgba(255,255,255,0.82);
  text-shadow: 0 10px 28px rgba(20, 10, 36, 0.36);
}

.final-hero .button {
  margin-top: 8px;
}

.final-product {
  display: none;
}

.site-footer {
  position: relative;
  display: grid;
  gap: 34px;
  padding: clamp(42px, 6vw, 72px) clamp(22px, 6vw, 96px) 30px;
  border-top: 1px solid rgba(90, 61, 145, 0.12);
  background:
    radial-gradient(circle at 18% 0%, rgba(188, 168, 230, 0.2), transparent 34%),
    linear-gradient(180deg, #fff, var(--pearl));
}

.london-line {
  position: absolute;
  top: 20px;
  right: clamp(18px, 6vw, 82px);
  width: min(420px, 58vw);
  height: 70px;
  opacity: 0.22;
  pointer-events: none;
}

.london-line::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: var(--violet);
}

.london-line::after {
  content: "";
  position: absolute;
  inset: 12px 10px 0;
  background:
    linear-gradient(var(--violet), var(--violet)) 0 34px / 42px 1px no-repeat,
    linear-gradient(var(--violet), var(--violet)) 34px 22px / 1px 48px no-repeat,
    linear-gradient(var(--violet), var(--violet)) 72px 16px / 1px 54px no-repeat,
    linear-gradient(var(--violet), var(--violet)) 102px 30px / 72px 1px no-repeat,
    linear-gradient(var(--violet), var(--violet)) 198px 0 / 1px 70px no-repeat,
    linear-gradient(var(--violet), var(--violet)) 236px 22px / 88px 1px no-repeat,
    linear-gradient(var(--violet), var(--violet)) 342px 30px / 1px 40px no-repeat;
  border-bottom: 1px solid var(--violet);
  border-radius: 80px 80px 0 0;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(260px, 0.95fr) minmax(0, 1.45fr);
  gap: clamp(38px, 7vw, 92px);
  align-items: start;
}

.footer-brand {
  display: grid;
  justify-items: start;
  gap: 18px;
}

.footer-brand p {
  max-width: 360px;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.british-badge {
  position: relative;
  width: min(235px, 100%);
  display: grid;
  justify-items: center;
  gap: 7px;
  padding: 18px 18px 16px;
  border: 1px solid rgba(200, 169, 106, 0.48);
  border-radius: 8px;
  color: var(--violet);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.78), rgba(255,255,255,0.42)),
    rgba(251, 250, 248, 0.68);
  box-shadow: 0 18px 42px rgba(90, 61, 145, 0.09);
  text-align: center;
}

.british-badge::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(90, 61, 145, 0.12);
  border-radius: 6px;
  pointer-events: none;
}

.badge-crown {
  position: relative;
  width: 38px;
  height: 22px;
  display: block;
  border-bottom: 3px solid var(--gold);
}

.badge-crown::before {
  content: "";
  position: absolute;
  inset: 2px 0 5px;
  background: var(--gold);
  clip-path: polygon(0 100%, 12% 26%, 33% 72%, 50% 0, 67% 72%, 88% 26%, 100% 100%);
}

.badge-crown::after {
  content: "";
  position: absolute;
  right: 8px;
  bottom: -8px;
  left: 8px;
  height: 1px;
  background: rgba(90, 61, 145, 0.28);
}

.british-badge strong,
.british-badge em {
  position: relative;
  z-index: 1;
}

.british-badge strong {
  max-width: 160px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.05;
}

.british-badge em {
  color: rgba(23, 23, 23, 0.55);
  font-size: 0.61rem;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.footer-cta {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(200, 169, 106, 0.48);
  border-radius: 999px;
  padding: 0 18px;
  color: var(--violet);
  background: rgba(255, 255, 255, 0.66);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  box-shadow: 0 14px 32px rgba(90, 61, 145, 0.1);
}

.footer-menu {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 56px);
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 12px;
}

.footer-column h2 {
  margin: 0 0 8px;
  color: var(--gold);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
}

.footer-column a,
.footer-bottom {
  color: rgba(23, 23, 23, 0.68);
  font-size: 0.88rem;
}

.footer-column a {
  width: fit-content;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(90, 61, 145, 0.1);
}

.footer-legal {
  display: flex;
  gap: 18px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.035);
  }
}

@media (max-width: 980px) {
  .main-nav {
    display: none;
  }

  .header-origin {
    margin-left: auto;
  }

  .research-seal {
    width: 116px;
    height: 116px;
    right: 18px;
    bottom: 18px;
  }

  .research-seal strong {
    font-size: 0.95rem;
  }

  .hero-bg {
    background:
      linear-gradient(180deg, rgba(251,250,248,0.86) 0%, rgba(251,250,248,0.56) 44%, rgba(251,250,248,0.06) 100%),
      var(--home-cover-desktop) center bottom / cover no-repeat;
  }

  .split,
  .britain,
  .philosophy-hero,
  .ritual-panels,
  .before-after-panel,
  .ingredient-columns,
  .pdrn-grid {
    grid-template-columns: 1fr;
  }

  .philosophy-visual {
    min-height: 320px;
  }

  .cell-track {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .flow-arrow {
    width: 1px;
    height: 28px;
    background: linear-gradient(var(--gold), var(--lavender));
  }

  .cell {
    max-width: 190px;
  }

  .cell-caption {
    align-items: flex-start;
    flex-direction: column;
  }

  .cell-caption p {
    text-align: left;
  }

  .ritual-product {
    min-height: 360px;
    order: -1;
  }

  .concept-grid,
  .result-grid,
  .review-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .result-card {
    aspect-ratio: 1 / 0.88;
  }

  .before-after-panel {
    padding: 18px;
  }

  .comparison-slider {
    aspect-ratio: 1.35 / 1;
  }

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

  .pdrn-process {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-radius: 8px;
  }

  .pdrn-process span {
    min-height: 192px;
  }

  .pdrn-process span:not(:last-child)::after {
    display: none;
  }

  .product-stage {
    position: relative;
    top: auto;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .final-hero {
    min-height: 66svh;
    background:
      radial-gradient(circle at center, rgba(35,17,69,0.32) 0%, rgba(35,17,69,0.62) 58%, rgba(20,10,36,0.78) 100%),
      linear-gradient(180deg, rgba(35,17,69,0.12), rgba(35,17,69,0.46)),
      url("assets/sacnam-final-hero2.webp") center bottom / cover no-repeat;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 16px 18px;
  }

  .header-origin {
    display: none;
  }

  .pdrn-science::before,
  .pdrn-science::after,
  .london-line {
    display: none;
  }

  .header-cta {
    min-height: 40px;
    padding-inline: 16px;
  }

  .hero {
    min-height: 90svh;
    align-items: start;
    padding-top: 118px;
    padding-bottom: 42px;
  }

  .hero-bg {
    background:
      linear-gradient(180deg, rgba(251,250,248,0.9) 0%, rgba(251,250,248,0.58) 42%, rgba(251,250,248,0.1) 100%),
      var(--home-cover-mobile) center bottom / cover no-repeat;
  }

  .hero-content {
    width: 100%;
    margin-inline: auto;
    text-align: center;
  }

  h1 {
    margin-inline: auto;
    font-size: clamp(2.55rem, 12vw, 3.8rem);
    margin-top: 70px;
  }

  .hero-copy {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  h2 {
    font-size: clamp(2rem, 8.5vw, 3.1rem);
  }

  .section {
    padding: 58px 18px;
  }

  .concept-grid,
  .result-grid,
  .review-grid,
  .steps,
  .pdrn-process {
    grid-template-columns: 1fr;
  }

  .pdrn-process span {
    min-height: 184px;
  }

  .result-card {
    aspect-ratio: 1 / 0.92;
  }

  .tab-controls {
    width: 100%;
    gap: 10px;
    border-radius: 8px;
  }

  .tab-button {
    width: 50%;
    padding: 0 12px;
    font-size: 0.68rem;
  }

  .result-copy h3 {
    font-size: clamp(1.35rem, 6vw, 1.9rem);
  }

  .comparison-slider {
    aspect-ratio: 0.95 / 1;
  }

  .cell-motion,
  .glass-card,
  .ingredient-columns article,
  .ritual-panels article {
    padding: 26px;
  }

  .philosophy-visual {
    min-height: 260px;
  }

  .visual-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .visual-note strong {
    text-align: left;
  }

  .concept-number {
    font-size: 3.2rem;
  }

  .ritual-product {
    min-height: 300px;
  }

  .ritual-list li {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .ritual-list li > span {
    width: 38px;
    height: 38px;
  }

  .ritual-list li:not(:last-child)::after {
    top: 38px;
    left: 18px;
  }

  .product-stage {
    --mobile-product-image-height: 280px;
    min-height: 360px;
    overflow: hidden;
    align-content: end;
    padding: calc(var(--mobile-product-image-height) + 28px) 28px 32px;
    background: #fff;
  }

  .product-stage::before {
    top: auto;
    bottom: 32px;
    left: 20px;
    height: 148px;
  }

  .product-stage::after {
    inset: 0 0 auto;
    height: var(--mobile-product-image-height);
    background: var(--product-image) center / cover no-repeat;
    opacity: 1;
  }

  .product-stage h3,
  .product-stage p {
    width: 100%;
    max-width: 100%;
  }

  .product-stage h3 {
    font-size: clamp(1.9rem, 5vw, 2.45rem);
  }

  .final-hero {
    min-height: 62svh;
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .final-hero .section-heading {
    padding-top: 2vh;
  }

  .final-hero h2 {
    font-size: clamp(2.1rem, 9vw, 3rem);
  }

  .site-footer {
    padding-inline: 18px;
  }

  .footer-menu {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-legal {
    flex-wrap: wrap;
  }
}
