/*
 * css/style.css — Stylesheet chính
 * Tất cả màu dùng var(--...) từ tokens.css
 * Không hardcode hex ở đây.
 */

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.18;
  font-weight: normal;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.15rem; font-family: var(--font-body); font-weight: 600; }
p  { color: var(--ink-2); }
.text-balance { text-wrap: balance; }
.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: .6rem;
}

/* ── Layout ── */
.section      { max-width: var(--max-w); margin: 0 auto; padding: 5rem var(--pad-x); }
.section-sm   { max-width: var(--max-w); margin: 0 auto; padding: 3.5rem var(--pad-x); }
.full-bleed   { width: 100%; }

/* ── Image placeholder (chỉ hiện khi chưa có ảnh thật) ── */
.img-slot {
  position: relative;
  border-radius: inherit;
  overflow: hidden;
  background: var(--cream-2);
}
.img-slot img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.img-slot video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  background: var(--cream-2);
}
.img-slot .placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px;
  padding: 1.5rem;
  text-align: center;
  border: 1.5px dashed var(--border-2);
  border-radius: inherit;
  /* ẩn placeholder khi img load thành công */
  transition: opacity .3s;
}
.img-slot img.loaded + .placeholder,
.img-slot video.loaded + .placeholder { opacity: 0; pointer-events: none; }
.placeholder .p-icon { width: 32px; height: 32px; opacity: .25; }
.placeholder .p-file {
  font-size: 11px; font-weight: 600; font-family: var(--font-mono);
  background: var(--sand); color: var(--accent);
  padding: 3px 8px; border-radius: 4px;
}
.placeholder .p-desc { font-size: 12px; color: var(--ink-2); opacity: .65; max-width: 200px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: .7rem 1.4rem;
  font-size: 14px; font-weight: 500;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all .2s;
  cursor: pointer; border: none;
}
.btn-primary { background: var(--ink); color: var(--cream); }
.btn-primary:hover { background: var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--border-2); }
.btn-ghost:hover { background: var(--sand); }

/* ── Nav ── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,247,242,.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: .9rem var(--pad-x);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.nav-brand {
  font-family: var(--font-display);
  font-size: 18px; font-style: italic;
  color: var(--ink); text-decoration: none; letter-spacing: -.01em;
}
.nav-brand span { color: var(--accent); }
.nav-links { display: flex; gap: 1.75rem; list-style: none; }
.nav-links a { font-size: 14px; color: var(--ink-2); text-decoration: none; letter-spacing: .02em; transition: color .2s; }
.nav-links a:hover { color: var(--accent); }

.nav-uv-pill {
  --uv-color: var(--border-2);
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin-left: auto;
  margin-right: .25rem;
  padding: .42rem .7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.78);
  color: var(--ink);
  box-shadow: 0 8px 18px rgba(26,22,18,.05);
  white-space: nowrap;
}
.nav-uv-pill::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--uv-color);
}
.nav-uv-pill span {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  color: var(--ink-2);
}
.nav-uv-pill strong {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1;
  color: var(--ink);
}
.nav-uv-pill small {
  font-size: 11px;
  color: var(--ink-2);
}
.nav-uv-pill.level-low { --uv-color: var(--sky-2); }
.nav-uv-pill.level-mid { --uv-color: #D8A13A; }
.nav-uv-pill.level-high { --uv-color: #E87C35; }
.nav-uv-pill.level-very-high { --uv-color: var(--accent); }
.nav-uv-pill.level-extreme { --uv-color: #7A2D8A; }
.nav-uv-pill.level-loading { --uv-color: var(--border-2); }

/* ── Hero ── */
.hero-wrap { background: var(--cream); border-bottom: 1px solid var(--border); }
.hero {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
  min-height: 88vh;
  max-width: var(--max-w); margin: 0 auto; padding: 5rem var(--pad-x);
}
.hero-copy { display: flex; flex-direction: column; gap: 1.4rem; }
.hero-copy h1 em { font-style: italic; color: var(--accent); }
.hero-cta { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: .5rem; }
.hero-visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/5; min-height: 500px; }

/* ── Hero draggable compare ── */
.hero-compare {
  --compare-pos: 50%;
  isolation: isolate;
  box-shadow: 0 18px 55px rgba(26,22,18,.12);
}
.hero-compare-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-compare-base {
  z-index: 1;
  filter: saturate(.92) contrast(1.04) sepia(.08) brightness(.94);
}
.hero-compare-top {
  z-index: 2;
  clip-path: inset(0 calc(100% - var(--compare-pos)) 0 0);
  filter: saturate(1.08) brightness(1.05) contrast(1.02);
}
.hero-compare::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(214,234,240,.22) 0%, rgba(214,234,240,.12) var(--compare-pos), transparent var(--compare-pos)),
    radial-gradient(circle at 22% 20%, rgba(255,255,255,.24), transparent 32%),
    linear-gradient(90deg, transparent 48%, rgba(196,83,42,.16) 100%);
}
.hero-compare .placeholder {
  z-index: 8;
}
.hero-compare-img.loaded + .placeholder {
  opacity: 0;
  pointer-events: none;
}
.hero-compare-label {
  position: absolute;
  z-index: 5;
  top: 1rem;
  border-radius: 999px;
  padding: .48rem .9rem;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: rgba(255,255,255,.92);
  color: var(--ink);
  box-shadow: 0 8px 22px rgba(0,0,0,.08);
}
.hero-compare-label-safe { left: 1rem; color: var(--sky-2); }
.hero-compare-label-harm { right: 1rem; color: var(--accent); }
.hero-compare-handle {
  position: absolute;
  z-index: 6;
  top: 0;
  bottom: 0;
  left: var(--compare-pos);
  width: 46px;
  transform: translateX(-50%);
  pointer-events: none;
}
.hero-compare-handle::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: rgba(255,255,255,.9);
  box-shadow: 0 0 18px rgba(74,143,168,.55);
}
.hero-compare-handle::after {
  content: '↔';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 48px;
  height: 48px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.96);
  color: var(--accent);
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 10px 28px rgba(0,0,0,.18);
}
.hero-compare-range {
  position: absolute;
  inset: 0;
  z-index: 7;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
}

@media (max-width: 768px) {
  .hero-compare-label {
    top: .8rem;
    padding: .42rem .7rem;
    font-size: 10px;
  }
  .hero-compare-label-safe { left: .75rem; }
  .hero-compare-label-harm { right: .75rem; }
  .hero-compare-handle::after {
    width: 42px;
    height: 42px;
    font-size: 18px;
  }
}


.badge-float {
  position: absolute;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: .45rem 1rem;
  font-size: 12.5px; font-weight: 600; color: var(--ink);
  display: flex; align-items: center; gap: 6px;
}
.badge-float .dot { width: 8px; height: 8px; border-radius: 50%; }
.badge-uv   { top: 1.25rem; right: 1.25rem; }
.badge-uv   .dot { background: #E87C35; }
.badge-mist { bottom: 1.25rem; left: 1.25rem; }
.badge-mist .dot { background: var(--sky-2); }

/* ── Stats strip ── */
.stats-strip { background: var(--ink); color: var(--cream); }
.stats-row {
  max-width: var(--max-w); margin: 0 auto;
  padding: 2rem var(--pad-x);
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 2rem; text-align: center;
}
.stats-row strong {
  display: block;
  font-family: var(--font-display); font-size: 2rem; font-style: italic;
  color: var(--accent-bg); margin-bottom: .3rem;
}
.stats-row span { font-size: 13px; opacity: .7; }

/* ── Problem cards ── */
.problem-grid {
  display: grid; grid-template-columns: repeat(2,1fr);
  gap: 1.5rem; margin-top: 3rem;
}
.problem-card { background: var(--cream-2); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.problem-card-img { width: 100%; aspect-ratio: 16/9; }
.problem-card-body { padding: 1.4rem 1.5rem 1.6rem; }
.problem-card-body h3 { margin-bottom: .5rem; }
.problem-card-body p  { font-size: 14px; }

/* ── Split section ── */
.split-wrap { background: var(--cream-2); }
.split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
  max-width: var(--max-w); margin: 0 auto; padding: 5rem var(--pad-x);
}
.split-img { aspect-ratio: 3/4; border-radius: var(--radius-lg); overflow: hidden; }
.split-copy { display: flex; flex-direction: column; gap: 1rem; }

.step-list { margin-top: 1.5rem; display: flex; flex-direction: column; }
.step {
  display: grid; grid-template-columns: 2.5rem 1fr;
  gap: .75rem; padding: 1.25rem 0;
  border-bottom: 1px solid var(--border); align-items: start;
}
.step:last-child { border-bottom: none; }
.step-num { font-family: var(--font-display); font-style: italic; font-size: 1.4rem; color: var(--accent); line-height: 1.3; }
.step h3  { font-size: 15px; font-weight: 600; margin-bottom: .3rem; color: var(--ink); }
.step p   { font-size: 14px; }

/* ── Compare (two-world) ── */
.compare-wrap { background: var(--cream-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.compare { max-width: var(--max-w); margin: 0 auto; padding: 5rem var(--pad-x); }
.compare-heading { text-align: center; margin-bottom: 3rem; }
.compare-heading h2 { margin-top: .4rem; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.compare-panel { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); }
.compare-panel-img { width: 100%; aspect-ratio: 4/5; }
.compare-panel-info { padding: 1.5rem 1.75rem 2rem; }
.compare-panel.safe .compare-panel-info { background: var(--sky); }
.compare-panel.harm .compare-panel-info { background: #FBF0EA; }
.compare-panel-info h3 { font-size: 17px; margin-bottom: .5rem; color: var(--ink); }
.compare-panel-info ul { list-style: none; display: flex; flex-direction: column; gap: .4rem; margin-top: .75rem; }
.compare-panel-info ul li { font-size: 13.5px; color: var(--ink-2); padding-left: 1.1rem; position: relative; }
.compare-panel-info ul li::before { content:''; position:absolute; left:0; top:.55em; width:5px; height:5px; border-radius:50%; }
.compare-panel.safe ul li::before { background: var(--sky-2); }
.compare-panel.harm ul li::before { background: var(--accent); }
.compare-panel-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  padding: .35rem .85rem; border-radius: 100px; margin-bottom: .75rem;
}
.safe .compare-panel-label { background: var(--sky-2); color: white; }
.harm .compare-panel-label { background: var(--accent); color: white; }

/* ── Context strip ── */
.context-strip { background: var(--accent); color: white; padding: 4rem var(--pad-x); text-align: center; }
.context-strip-inner { max-width: 680px; margin: 0 auto; }
.context-strip h2 { font-family: var(--font-display); font-size: clamp(1.5rem,3vw,2.2rem); font-style: italic; color: white; margin-bottom: 1rem; }
.context-strip p  { color: rgba(255,255,255,.8); font-size: 15px; }

/* ── Ingredients ── */
.ingredients { max-width: var(--max-w); margin: 0 auto; padding: 5rem var(--pad-x); }
.ingredients-heading { margin-bottom: 3rem; }
.ingredient-scroll { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; }
.ingredient-card { border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; background: var(--cream); }
.ingredient-card-img { aspect-ratio: 1/1; }
.ingredient-card-body { padding: 1.1rem 1.2rem 1.3rem; }
.ingredient-card-body h4 { font-size: 14px; font-weight: 600; margin-bottom: .25rem; }
.ingredient-card-body p  { font-size: 13px; }
.tag { display: inline-block; font-size: 11px; font-weight: 600; padding: .25rem .65rem; border-radius: 100px; margin-bottom: .6rem; }
.tag-sun   { background: #FDE8D8; color: #9A3E12; }
.tag-moist { background: var(--sky); color: var(--sky-2); }
.tag-repair{ background: #E8F2E8; color: #3A6B3A; }

/* ── Skin layer ── */
.layer {
  display: grid; grid-template-columns: 5fr 4fr;
  gap: 5rem; align-items: center;
  max-width: var(--max-w); margin: 0 auto; padding: 5rem var(--pad-x);
}
.layer-img  { aspect-ratio: 4/5; border-radius: var(--radius-lg); overflow: hidden; }
.layer-copy { display: flex; flex-direction: column; gap: 1rem; }

/* ── Routine ── */
.routine-wrap { background: var(--sand); }
.routine { max-width: var(--max-w); margin: 0 auto; padding: 5rem var(--pad-x); }
.routine-heading { margin-bottom: 3rem; }
.routine-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.routine-card { background: var(--cream); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); }
.routine-card-img  { aspect-ratio: 9/16; max-width: 320px; margin: 0 auto; }
.routine-card-body { padding: 1.25rem 1.4rem 1.6rem; }
.routine-label {
  display: inline-block; font-size: 11px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  background: var(--ink); color: var(--cream);
  padding: .3rem .75rem; border-radius: 100px; margin-bottom: .75rem;
}
.routine-card-body h3 { font-size: 15px; margin-bottom: .5rem; }
.routine-card-body p  { font-size: 13.5px; }

/* ── Footer ── */
footer { background: var(--ink); color: rgba(255,255,255,.5); text-align: center; padding: 2.5rem var(--pad-x); font-size: 13px; }
footer strong { color: rgba(255,255,255,.8); }

/* ── Mobile ── */
@media (max-width: 768px) {
  .hero          { grid-template-columns: 1fr; min-height: auto; gap: 2.5rem; }
  .hero-visual   { min-height: 380px; order: -1; }
  .problem-grid  { grid-template-columns: 1fr; }
  .split         { grid-template-columns: 1fr; gap: 2.5rem; }
  .split-img     { aspect-ratio: 4/3; }
  .compare-grid  { grid-template-columns: 1fr; }
  .ingredient-scroll { grid-template-columns: repeat(2,1fr); }
  .routine-steps { grid-template-columns: 1fr; }
  .layer         { grid-template-columns: 1fr; gap: 2.5rem; }
  .stats-row     { grid-template-columns: 1fr; gap: 1.25rem; }
  .nav-links     { display: none; }
  .nav-uv-pill { margin-left: auto; padding: .38rem .6rem; }
  .nav-uv-pill small { display: none; }
}
@media (max-width: 480px) {
  .ingredient-scroll { grid-template-columns: 1fr; }
}


/* ────────────────────────────────────────────
 * UX Upgrade V2 — slider rộng, quiz thu gọn, chỉ số môi trường dạng thanh
 * ──────────────────────────────────────────── */
.nav { transition: background .25s, box-shadow .25s, padding .25s; }
.nav.is-scrolled {
  background: rgba(250,247,242,.96);
  box-shadow: 0 10px 30px rgba(26,22,18,.08);
}
.btn-accent { background: var(--accent); color: white; }
.btn-accent:hover { background: var(--ink); }

/* Hero environmental index */
.climate-widget {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.72);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: 0 14px 34px rgba(26,22,18,.07);
}
.climate-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: .9rem;
}
.climate-label {
  display: block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .25rem;
}
.climate-widget strong { display: block; font-size: 16px; color: var(--ink); }
.climate-refresh {
  border: 1px solid var(--border-2);
  background: var(--cream);
  color: var(--ink);
  border-radius: 999px;
  padding: .45rem .75rem;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}
.climate-refresh:hover { background: var(--sand); }
.climate-bars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: .75rem;
}
.climate-bar-item {
  --level-color: var(--border-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--cream);
  padding: .85rem;
}
.climate-bar-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: .75rem;
  margin-bottom: .55rem;
}
.climate-bar-top span {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-2);
}
.climate-bar-top b {
  font-family: var(--font-display);
  font-size: 1.45rem;
  line-height: 1;
  color: var(--ink);
}
.climate-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(26,22,18,.10);
  overflow: hidden;
}
.climate-track span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--level-color);
  transition: width .55s ease, background .25s ease;
}
.climate-bar-item small {
  display: block;
  margin-top: .45rem;
  font-size: 11.5px;
  color: var(--ink-2);
  line-height: 1.35;
}
.climate-advice {
  margin-top: .85rem;
  font-size: 12.5px;
}
.climate-bar-item.level-low { --level-color: var(--sky-2); }
.climate-bar-item.level-mid { --level-color: #D8A13A; }
.climate-bar-item.level-high { --level-color: #E87C35; }
.climate-bar-item.level-very-high { --level-color: var(--accent); }
.climate-bar-item.level-extreme { --level-color: #7A2D8A; }
.climate-bar-item.level-loading { --level-color: var(--border-2); }

/* Stats */
.stats-strip { position: relative; overflow: hidden; }
.stats-strip::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(232,213,200,.14), transparent 52%);
  pointer-events: none;
}
.stats-row { position: relative; }
.stats-row > div {
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  padding: 1.15rem 1rem;
  background: rgba(255,255,255,.035);
}
.stats-row strong { font-size: clamp(2.2rem, 5vw, 3.6rem); }

/* Collapsed slide quiz */
.quiz-wrap { background: var(--cream); border-bottom: 1px solid var(--border); }
.quiz { display: block; }
.quiz-intro {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--cream-2), var(--cream));
  padding: 1.5rem;
  box-shadow: 0 12px 32px rgba(26,22,18,.05);
}
.quiz-intro p:not(.eyebrow) { margin-top: .75rem; max-width: 520px; }
.quiz-intro-actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.quiz-panel {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--cream);
  padding: 1.25rem;
  box-shadow: 0 18px 46px rgba(26,22,18,.08);
  animation: quizOpen .22s ease both;
}
@keyframes quizOpen {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.quiz-progress { margin-bottom: 1rem; }
.quiz-progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-2);
  margin-bottom: .5rem;
}
.quiz-progress-track {
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--cream-2);
}
.quiz-progress-track span {
  display: block;
  width: 25%;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width .25s ease;
}
.skin-quiz { display: block; }
.quiz-question {
  display: none;
  border: 0;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  background: var(--cream-2);
  min-height: 260px;
}
.quiz-question.is-active { display: block; }
.quiz-question legend {
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 1rem;
  padding-right: .5rem;
}
.quiz-question label {
  display: flex;
  gap: .7rem;
  align-items: center;
  font-size: 14px;
  color: var(--ink-2);
  padding: .8rem .9rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--cream);
  cursor: pointer;
  margin-bottom: .55rem;
  transition: border-color .2s, background .2s, transform .2s;
}
.quiz-question label:hover { border-color: var(--accent); transform: translateY(-1px); }
.quiz-question input { accent-color: var(--accent); }
.quiz-question label:has(input:checked) {
  background: rgba(196,83,42,.08);
  border-color: var(--accent);
  color: var(--ink);
}
.quiz-nav {
  display: flex;
  justify-content: space-between;
  gap: .75rem;
  margin-top: 1rem;
}
.quiz-result {
  border-radius: var(--radius-md);
  background: var(--ink);
  padding: 1.5rem;
  color: var(--cream);
  min-height: 260px;
}
.quiz-result-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-bg);
  margin-bottom: .65rem;
}
.quiz-result h3 { font-family: var(--font-body); font-size: 18px; margin-bottom: .5rem; color: white; }
.quiz-result p { color: rgba(255,255,255,.72); font-size: 14px; }
.quiz-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1rem; }
.quiz-actions .btn-ghost { color: white; border-color: rgba(255,255,255,.25); }
.quiz-actions .btn-ghost:hover { color: var(--ink); }

/* Before/After slider full-width */
.compare-wrap { overflow: hidden; }
.compare.compare-wide {
  max-width: 1440px;
  padding: 5rem var(--pad-x);
}
.compare-slider {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}
.compare-slider-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  min-height: 560px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--cream);
  box-shadow: 0 18px 60px rgba(26,22,18,.14);
}
.compare-image {
  position: absolute;
  inset: 0;
  border-radius: 0;
}
.compare-image-top {
  width: 100%;
  overflow: hidden;
  clip-path: inset(0 calc(100% - var(--compare-pos)) 0 0);
}
.compare-image-top img,
.compare-image-base img { object-fit: cover; }
.compare-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--compare-pos);
  width: 46px;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 5;
}
.compare-handle::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 50px; height: 50px;
  transform: translate(-50%,-50%);
  border-radius: 999px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 8px 26px rgba(0,0,0,.20);
}
.compare-handle::after {
  content: '↔';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-54%);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}
.compare-range {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 6;
}
.compare-side-label {
  position: absolute;
  top: 1.15rem;
  z-index: 4;
  border-radius: 999px;
  padding: .5rem .9rem;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: rgba(255,255,255,.92);
  color: var(--ink);
  backdrop-filter: blur(8px);
}
.compare-side-label-left { left: 1.15rem; }
.compare-side-label-right { right: 1.15rem; }
.compare-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}
.compare-cards .compare-panel-info { border-radius: var(--radius-md); border: 1px solid var(--border); }
.safe-info { background: var(--sky); }
.harm-info { background: #FBF0EA; }
.safe-info .compare-panel-label { background: var(--sky-2); color: white; }
.harm-info .compare-panel-label { background: var(--accent); color: white; }
.safe-info ul li::before { background: var(--sky-2); }
.harm-info ul li::before { background: var(--accent); }

/* Ingredient filters */
.ingredient-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-top: 1.25rem;
}
.filter-chip {
  border: 1px solid var(--border-2);
  background: transparent;
  color: var(--ink-2);
  border-radius: 999px;
  padding: .5rem .9rem;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.filter-chip:hover,
.filter-chip.is-active {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}
.ingredient-card { transition: opacity .2s, transform .2s, box-shadow .2s; }
.ingredient-card.is-hidden,
.ingredient-card-wrap-hidden { display: none !important; }
.ingredient-cta {
  display: inline-flex;
  margin-top: .85rem;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}
.video-load-btn {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%,-50%);
  z-index: 5;
  border: 0;
  border-radius: 999px;
  background: rgba(26,22,18,.86);
  color: var(--cream);
  padding: .75rem 1rem;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
.video-load-btn:hover { background: var(--accent); }
.img-slot.video-lazy-ready .placeholder { opacity: 0; pointer-events: none; }
.img-slot.video-loading .placeholder { opacity: 0; pointer-events: none; }

@media (max-width: 900px) {
  .climate-bars { grid-template-columns: 1fr; }
  .quiz-intro { grid-template-columns: 1fr; }
  .quiz-intro-actions { justify-content: flex-start; }
}
@media (max-width: 768px) {
  .climate-head { flex-direction: column; }
  .climate-refresh { width: fit-content; }
  .compare.compare-wide { padding: 3.5rem var(--pad-x); }
  .compare-slider-stage {
    aspect-ratio: 4/5;
    min-height: 420px;
  }
  .compare-cards { grid-template-columns: 1fr; }
  .compare-handle::before { width: 44px; height: 44px; }
  .compare-handle::after { font-size: 18px; }
  .quiz-panel { padding: 1rem; }
  .quiz-question { min-height: 300px; padding: 1rem; }
}
@media (max-width: 480px) {
  .climate-widget { padding: .9rem; }
  .compare-slider-stage {
    aspect-ratio: 3/4;
    min-height: 360px;
    border-radius: var(--radius-md);
  }
  .compare-side-label { font-size: 10px; padding: .4rem .7rem; }
  .quiz-nav { flex-direction: column-reverse; }
  .quiz-nav .btn { justify-content: center; }
}

/* ── V3: Climate advisory station + compact 3-step quiz + noon tabs ── */
.climate-station {
  --station-accent: #00CED1;
  background:
    radial-gradient(circle at 20% 0%, color-mix(in srgb, var(--station-accent) 22%, transparent), transparent 34%),
    linear-gradient(135deg, #151515, #24201c 58%, #111);
  border: 1px solid color-mix(in srgb, var(--station-accent) 38%, rgba(255,255,255,.12));
  box-shadow: 0 20px 50px rgba(0,0,0,.18), inset 0 0 0 1px rgba(255,255,255,.05);
  color: white;
}
.climate-station .climate-label {
  color: var(--station-accent);
}
.climate-station .climate-head strong,
.climate-station .climate-bar-top b,
.climate-station .climate-bar-top span,
.climate-station .climate-primary-readout span,
.climate-station .climate-primary-readout b,
.climate-station .climate-primary-readout small {
  color: white;
}
.climate-station .climate-refresh {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.16);
  color: white;
}
.climate-station .climate-refresh:hover {
  background: var(--station-accent);
  color: #111;
}
.climate-station-grid {
  display: grid;
  grid-template-columns: minmax(150px, .8fr) 1.4fr;
  gap: 1rem;
  align-items: stretch;
  margin-top: 1rem;
}
.climate-primary-readout {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: 18px;
  padding: 1rem;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: inset 0 0 28px color-mix(in srgb, var(--station-accent) 16%, transparent);
}
.climate-primary-readout span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  opacity: .7;
}
.climate-primary-readout b {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 9vw, 5.4rem);
  line-height: 1;
  color: var(--station-accent) !important;
  text-shadow: 0 0 24px color-mix(in srgb, var(--station-accent) 42%, transparent);
  margin: .25rem 0;
}
.climate-primary-readout small {
  font-size: 12px;
  opacity: .72;
}
.climate-metrics {
  display: grid;
  gap: .75rem;
}
.climate-station .climate-bar-item {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.12);
}
.climate-station .climate-track {
  background: rgba(255,255,255,.13);
}
.climate-station .climate-track span {
  background: var(--level-color, var(--station-accent));
  box-shadow: 0 0 18px color-mix(in srgb, var(--level-color, var(--station-accent)) 48%, transparent);
}
.climate-station .climate-advice {
  margin-top: 1rem;
  padding: .9rem 1rem;
  border-radius: 16px;
  background: color-mix(in srgb, var(--station-accent) 12%, rgba(255,255,255,.04));
  border: 1px solid color-mix(in srgb, var(--station-accent) 35%, rgba(255,255,255,.08));
  color: rgba(255,255,255,.86);
  font-weight: 500;
}
.climate-widget.level-low { --station-accent: #00CED1; }
.climate-widget.level-mid { --station-accent: #FFB000; }
.climate-widget.level-high,
.climate-widget.level-very-high,
.climate-widget.level-extreme { --station-accent: #CC0000; }

.quiz-question label span small {
  display: block;
  margin-top: .2rem;
  font-size: 12px;
  color: var(--ink-2);
  opacity: .76;
}
.quiz-panel {
  overflow: hidden;
}
.quiz-question {
  animation: quizSlideIn .24s ease both;
}
@keyframes quizSlideIn {
  from { opacity: 0; transform: translateX(18px); }
  to { opacity: 1; transform: translateX(0); }
}

.routine-noon-card > p {
  margin-bottom: .85rem;
}
.routine-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
  margin: 1rem 0;
  padding: .35rem;
  background: var(--cream-2);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.routine-tab {
  border: 0;
  border-radius: 999px;
  padding: .65rem .75rem;
  background: transparent;
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s ease;
}
.routine-tab.is-active {
  background: var(--ink);
  color: var(--cream);
  box-shadow: 0 8px 20px rgba(0,0,0,.12);
}
.routine-tab-panel {
  display: none;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.4);
}
.routine-tab-panel.is-active {
  display: block;
  animation: quizSlideIn .2s ease both;
}
.routine-tab-panel strong {
  display: block;
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: .25rem;
}
.routine-tab-panel p {
  font-size: 13px;
  margin-bottom: .75rem;
}
.routine-tab-panel p:last-child { margin-bottom: 0; }

@media (max-width: 768px) {
  .climate-station-grid { grid-template-columns: 1fr; }
  .climate-primary-readout { min-height: 170px; }
  .routine-tabs { grid-template-columns: 1fr; border-radius: var(--radius-md); }
  .routine-tab { border-radius: 999px; }
}


/* ── Sticky product rail ── */
.product-rail {
  position: fixed;
  right: clamp(.75rem, 2vw, 1.25rem);
  top: 50%;
  transform: translateY(-50%);
  z-index: 92;
  width: 138px;
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: .55rem;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 20px;
  background: rgba(26,22,18,.88);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 42px rgba(0,0,0,.22);
}
.product-rail-title {
  color: rgba(255,255,255,.62);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-align: center;
  padding: .25rem .25rem .1rem;
}
.product-rail a {
  display: block;
  padding: .58rem .62rem;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  color: white;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  border: 1px solid rgba(255,255,255,.08);
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.product-rail a:hover {
  transform: translateY(-1px);
  background: var(--accent);
  color: var(--cream);
}

@media (max-width: 1024px) {
  .product-rail {
    top: auto;
    right: .75rem;
    left: .75rem;
    bottom: .75rem;
    transform: none;
    width: auto;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
    border-radius: 18px;
    padding: .5rem;
  }
  .product-rail-title {
    flex: 0 0 auto;
    white-space: nowrap;
    text-align: left;
    padding: .4rem .45rem;
  }
  .product-rail a {
    flex: 0 0 auto;
    min-width: max-content;
    padding: .56rem .75rem;
  }
  footer { padding-bottom: 5.25rem; }
}

@media (max-width: 480px) {
  .product-rail {
    left: .5rem;
    right: .5rem;
    bottom: .5rem;
  }
  .product-rail-title { display: none; }
}