/* style.css — ErgoLabVN Design System — Pro Refresh */

/* ─── FONTS ──────────────────────────────────────────────────────────────── */
/* Loaded via HTML: Instrument Serif (display) + Work Sans (body) + DM Sans */

/* ─── TOKENS ─────────────────────────────────────────────────────────────── */
:root {
  /* Type scale — more aggressive sizing */
  --text-xs:   clamp(0.72rem,  0.65rem + 0.25vw, 0.8rem);
  --text-sm:   clamp(0.875rem, 0.82rem + 0.25vw, 0.95rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.1rem);
  --text-lg:   clamp(1.2rem,   1rem    + 0.85vw, 1.6rem);
  --text-xl:   clamp(1.6rem,   1.2rem  + 1.5vw,  2.5rem);
  --text-2xl:  clamp(2.2rem,   1.2rem  + 3vw,    4rem);
  --text-3xl:  clamp(3rem,     1rem    + 5vw,    6rem);

  /* Spacing */
  --space-1: .25rem; --space-2: .5rem;  --space-3: .75rem;
  --space-4: 1rem;   --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;   --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;  --space-20: 5rem;   --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: .375rem; --radius-md: .5rem;
  --radius-lg: .75rem;  --radius-xl: 1rem; --radius-2xl: 1.5rem; --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(.16,1,.3,1);

  /* Shadows */
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);

  /* Fonts */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;
  --font-dm: 'DM Sans', 'Helvetica Neue', sans-serif;

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* ─── COLOR PALETTE ────────────────────────────────────────────────────────── */
:root, [data-theme='light'] {
  /* Backgrounds — clean white base */
  --color-bg:              #FFFFFF;
  --color-surface:         #F7F9F7;
  --color-surface-2:       #F0F5F1;
  --color-surface-offset:  #111C12;   /* dark footer */
  --color-surface-dynamic: #E8F2EA;
  --color-divider:         #E4EBE5;
  --color-border:          #D5E0D7;

  /* Text */
  --color-text:            #0D1A0E;
  --color-text-muted:      #556357;
  --color-text-faint:      #9AB09B;
  --color-text-inverse:    #FFFFFF;

  /* Primary — ErgoLab Green #22B05E */
  --color-primary:          #22B05E;
  --color-primary-hover:    #1A9950;
  --color-primary-active:   #147A3F;
  --color-primary-dark:     #0D5229;
  --color-primary-highlight:#D4F0E1;
  --color-primary-subtle:   #F0FAF4;

  /* Accent — deep charcoal (for contrast elements) */
  --color-accent:           #0D1A0E;
  --color-accent-hover:     #1E3320;
}

/* ─── BASE ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ─── LAYOUT ─────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-16));
}
.container--narrow { max-width: var(--content-default); }

/* ─── NAVIGATION ──────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition-interactive);
}
.site-header--scrolled { box-shadow: var(--shadow-sm); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: var(--space-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}
.nav__logo-img {
  height: 36px;
  width: auto;
  display: block;
  /* The logo has grey text — invert slightly on dark footer */
}
.site-footer .nav__logo-img {
  /* Make grey parts white on dark footer background */
  filter: brightness(0) invert(1);
}

.nav__logo-text {
  font-family: var(--font-dm);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav__links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-family: var(--font-dm);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--transition-interactive);
}
.nav__links a:hover, .nav__links a.active { color: var(--color-text); }
.nav__links a.active { font-weight: 600; color: var(--color-primary); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Language toggle */
.lang-toggle {
  width: 38px; height: 38px;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  border: 1.5px solid var(--color-border);
  font-family: var(--font-dm);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  background: transparent;
  letter-spacing: 0.04em;
  transition: all var(--transition-interactive);
}
.lang-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-primary-subtle); }

/* Mobile nav */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: pointer;
  padding: var(--space-2);
}
.nav__hamburger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}
.nav__mobile-menu {
  display: none;
  flex-direction: column;
  padding: var(--space-4) var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg);
  gap: var(--space-2);
}
.nav__mobile-menu a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  font-weight: 500;
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-md);
  display: block;
}
.nav__mobile-menu a:hover { color: var(--color-primary); background: var(--color-primary-subtle); }
.nav__mobile-menu a.active { color: var(--color-primary); font-weight: 600; }
.nav__mobile-menu.is-open { display: flex; }

@media (max-width: 700px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
}

/* ─── BUTTONS ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-dm);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-interactive);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(34,176,94,0.35); }

.btn-accent {
  background: var(--color-text);
  color: #fff;
  border-color: var(--color-text);
}
.btn-accent:hover { background: #1E3320; border-color: #1E3320; }

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}
.btn-outline:hover { background: var(--color-text); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
  padding: var(--space-2) var(--space-4);
}
.btn-ghost:hover { color: var(--color-text); border-color: var(--color-text-muted); }

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* Zalo / WhatsApp */
.btn-zalo {
  background: #0068FF;
  color: #fff;
  border-color: #0068FF;
  font-weight: 700;
}
.btn-zalo:hover { background: #0054cc; border-color: #0054cc; }
.btn-wa {
  background: #25D366;
  color: #fff;
  border-color: #25D366;
  font-weight: 700;
}
.btn-wa:hover { background: #1ab858; border-color: #1ab858; }

/* ─── BADGE ───────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: .25em .7em;
  border-radius: var(--radius-full);
  font-family: var(--font-dm);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-green { background: var(--color-primary-highlight); color: var(--color-primary-dark); }
.badge-orange { background: #FEE9D1; color: #B85C00; }
.badge-muted { background: var(--color-surface-2); color: var(--color-text-muted); }

/* ─── SECTION HEADINGS ────────────────────────────────────────────────────── */
.section-label {
  font-family: var(--font-dm);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  line-height: 1.7;
}

/* ─── SECTION SPACING ─────────────────────────────────────────────────────── */
.section { padding-block: clamp(var(--space-8), 5vw, var(--space-20)); }
.section--sm { padding-block: clamp(var(--space-6), 4vw, var(--space-12)); }
.section--alt { background: var(--color-surface); }
.section--dark { background: var(--color-text); color: #fff; }
.section--green { background: var(--color-primary); color: #fff; }
.section--tight { padding-block: clamp(var(--space-6), 3vw, var(--space-12)); }

/* ─── PRODUCT CARDS ───────────────────────────────────────────────────────── */
.product-card {
  background: #FFFFFF;
  border-radius: 20px;
  border: 1.5px solid var(--color-divider);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive), border-color var(--transition-interactive);
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.product-card__img {
  position: relative;
  background: var(--color-surface);
  width: 100%;
  height: 300px;
  overflow: hidden;
}
.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  transition: transform .5s cubic-bezier(.16,1,.3,1);
}
.product-card:hover .product-card__img img { transform: scale(1.06); }

.product-card__badge-brand {
  position: absolute;
  top: 12px; left: 12px;
  font-family: var(--font-dm);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255,255,255,0.95);
  color: #0D1A0E;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}
.product-card__badge-condition {
  position: absolute;
  top: 12px; right: 12px;
  font-family: var(--font-dm);
  font-size: 10px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(13,26,14,0.8);
  color: #fff;
}
.product-card__badge-stock {
  position: absolute;
  bottom: 12px; right: 12px;
  font-family: var(--font-dm);
  font-size: 10px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--color-primary-highlight);
  color: var(--color-primary-dark);
}

.product-card__info {
  padding: 20px 22px 24px;
}
.product-card__title {
  font-family: var(--font-dm);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.4px;
  color: var(--color-text);
  margin-bottom: 8px;
}
.product-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.product-card__tag {
  font-family: var(--font-dm);
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  padding: 3px 10px;
  border-radius: 6px;
}
.product-card__colors {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.product-card__color-dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid rgba(0,0,0,0.08);
  cursor: pointer;
  transition: border var(--transition-interactive);
}
.product-card__color-dot.active { border-width: 3px; }

.product-card__price-label {
  font-family: var(--font-dm);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  margin-bottom: 2px;
}
.product-card__retail-price {
  font-family: var(--font-dm);
  font-size: 13px;
  font-weight: 500;
  color: #AAB8AC;
  text-decoration: line-through;
  margin-bottom: 4px;
}
.product-card__price-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}
.product-card__price {
  font-family: var(--font-dm);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--color-text);
}
.product-card__save-badge {
  font-family: var(--font-dm);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--color-primary-highlight);
  color: var(--color-primary-dark);
}
.product-card__pct-off {
  font-family: var(--font-dm);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 6px;
  background: #FDECEA;
  color: #C0392B;
}
.product-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-dm);
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}
.product-card__meta svg { width: 14px; height: 14px; flex-shrink: 0; }
.product-card__meta-item { display: flex; align-items: center; gap: 4px; }

.product-card__cta {
  display: block;
  width: 100%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 15px;
  font-family: var(--font-dm);
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.product-card__cta:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 6px 20px rgba(34,176,94,0.4);
  transform: translateY(-1px);
}

/* ─── OLD CARD (product pages) ──────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card__img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-surface-2);
}
.card__img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s cubic-bezier(.16,1,.3,1); }
.card:hover .card__img-wrap img { transform: scale(1.03); }
.card__body { padding: var(--space-5) var(--space-6); }
.card__label { font-size: var(--text-xs); color: var(--color-text-faint); letter-spacing: .06em; text-transform: uppercase; font-weight: 500; margin-bottom: var(--space-2); }
.card__title { font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-text); margin-bottom: var(--space-2); line-height: 1.25; }
.card__desc { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-5); }
.card__price { display: flex; align-items: baseline; gap: var(--space-3); margin-bottom: var(--space-5); }
.card__price-main { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-text); font-weight: 400; }
.card__price-was { font-size: var(--text-sm); color: var(--color-text-faint); text-decoration: line-through; }

/* ─── TRUST BAR ───────────────────────────────────────────────────────────── */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6) var(--space-10);
  align-items: center;
  justify-content: center;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-bg);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-family: var(--font-dm);
  font-size: var(--text-sm);
  font-weight: 600;
}
.trust-item svg { color: var(--color-primary); flex-shrink: 0; }

/* ─── SOUND FAMILIAR ─────────────────────────────────────────────────────── */
.sound-familiar {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  background: var(--color-text);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.sound-familiar::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: .12;
  pointer-events: none;
}
.sound-familiar::after {
  content: '';
  position: absolute;
  bottom: -60px; left: 10%;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: .08;
  pointer-events: none;
}
.sound-familiar .section-label {
  color: var(--color-primary);
  position: relative;
}
.sound-familiar .section-title {
  color: #fff;
  position: relative;
}
.sf-body {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: relative;
}
.sf-body p {
  font-size: var(--text-base);
  color: rgba(255,255,255,.75);
  line-height: 1.75;
  max-width: 66ch;
}
.sf-body p:last-child {
  color: rgba(255,255,255,.95);
  font-weight: 500;
}

/* ─── WHY SECTION — 3-column grid ────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-divider);
  border: 1px solid var(--color-divider);
  border-radius: 16px;
  overflow: hidden;
  margin-top: var(--space-10);
}
@media (max-width: 700px) {
  .why-grid { grid-template-columns: 1fr; }
}
.why-item {
  background: var(--color-bg);
  padding: var(--space-8) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: background var(--transition-interactive);
}
.why-item:hover { background: var(--color-primary-subtle); }
.why-item__icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.why-item h3 {
  font-family: var(--font-dm);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.2px;
}
.why-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}
@media (max-width: 600px) {
  .why-grid { grid-template-columns: 1fr; }
}

/* ─── PROCESS STEPS ───────────────────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-10);
}
.step { display: flex; flex-direction: column; gap: var(--space-3); }
.step__num {
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-dm);
  font-size: 15px;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.step__title { font-family: var(--font-dm); font-weight: 700; font-size: var(--text-base); color: var(--color-text); }
.step__desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; }

/* ─── FAQ SECTION ─────────────────────────────────────────────────────────── */
.faq-section {
  background: var(--color-surface);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
.faq-section__title {
  font-family: var(--font-dm);
  font-size: 26px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.5px;
  margin-bottom: var(--space-8);
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 760px;
}
.faq-item {
  background: #FFFFFF;
  border-radius: 12px;
  border: 1.5px solid var(--color-divider);
  overflow: hidden;
  transition: border-color var(--transition-interactive);
}
.faq-item.open { border-color: var(--color-primary); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 18px 20px;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-dm);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}
.faq-question:hover { background: var(--color-primary-subtle); }
.faq-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--color-primary-highlight);
  flex-shrink: 0;
  position: relative;
  transition: transform 0.25s ease, background 0.25s ease;
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--color-primary-dark);
  border-radius: 1px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.faq-icon::before { width: 10px; height: 2px; }
.faq-icon::after { width: 2px; height: 10px; transition: transform 0.25s ease; }
.faq-item.open .faq-icon { background: var(--color-primary); transform: rotate(45deg); }
.faq-item.open .faq-icon::before, .faq-item.open .faq-icon::after { background: #fff; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-answer__inner {
  padding: 0 20px 18px;
  font-family: var(--font-dm);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ─── FOOTER ──────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-surface-offset);   /* dark */
  color: #A8BFA9;
  padding: var(--space-16) 0 var(--space-8);
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}
.footer-brand__desc {
  font-size: var(--text-sm);
  color: #6B8A6D;
  margin-top: var(--space-4);
  line-height: 1.7;
  max-width: 36ch;
}
.footer-col h4 {
  font-family: var(--font-dm);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #4A6B4B;
  margin-bottom: var(--space-4);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { text-decoration: none; font-size: var(--text-sm); color: #6B8A6D; transition: color var(--transition-interactive); }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid #1E3220;
}
.footer-bottom p { font-size: var(--text-xs); color: #4A6B4B; }

/* Footer nav logo in dark context */
.site-footer .nav__logo-text { color: #fff; }

@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ─── PAGE HERO (inner pages) ────────────────────────────────────────────── */
.page-hero {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
  border-bottom: 1px solid var(--color-divider);
}
.page-hero .section-label { margin-bottom: var(--space-3); }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.page-hero p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.7;
}

/* ─── BREADCRUMB ──────────────────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.breadcrumb a { color: var(--color-text-faint); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { color: var(--color-text-muted); }

/* ─── DIVIDER ─────────────────────────────────────────────────────────────── */
hr { border: none; border-top: 1px solid var(--color-divider); }

/* ─── COLOR CHOOSER (product page) ───────────────────────────────────────── */
.color-chooser { margin: var(--space-4) 0; }
.color-chooser__label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 500;
  margin-bottom: var(--space-2);
}
.color-chooser__dots {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: var(--space-2);
}
.color-dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid rgba(0,0,0,0.08);
  cursor: pointer;
  transition: border var(--transition-interactive);
}
.color-dot.active { border: 3px solid var(--color-primary); }
.color-chooser__selected {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}