/* ============================================================
   swiftshop ventures — Back to School landing page
   Fonts: Clash Display (display) + General Sans (body) via Fontshare
   Palette: warm cream paper + deep navy ink + marigold accent
   ============================================================ */

@import url('https://api.fontshare.com/v2/css?f[]=clash-display@500,600,700&f[]=general-sans@400,500,600,700&display=swap');

:root,
[data-theme='light'] {
  /* ---- Surfaces (warm cream paper) ---- */
  --color-bg: oklch(96.5% 0.014 78);
  --color-surface: oklch(99% 0.006 80);
  --color-surface-2: oklch(97.5% 0.012 78);
  --color-surface-offset: oklch(94% 0.02 72);
  --color-surface-offset-2: oklch(91% 0.026 68);
  --color-surface-dynamic: oklch(88% 0.03 66);
  --color-divider: oklch(85% 0.018 66);
  --color-border: oklch(80% 0.02 62);

  /* ---- Text (ink navy) ---- */
  --color-text: oklch(23% 0.03 264);
  --color-text-muted: oklch(45% 0.025 262);
  --color-text-faint: oklch(65% 0.018 260);
  --color-text-inverse: oklch(97% 0.012 80);

  /* ---- Primary accent (marigold) ---- */
  --color-primary: oklch(64% 0.19 42);
  --color-primary-hover: oklch(56% 0.19 40);
  --color-primary-active: oklch(48% 0.18 38);
  --color-primary-highlight: oklch(92% 0.06 52);

  /* ---- Functional: success (savings/in-stock) ---- */
  --color-success: oklch(47% 0.12 148);
  --color-success-hover: oklch(40% 0.12 148);
  --color-success-highlight: oklch(92% 0.045 148);

  /* ---- Functional: gold (ratings only) ---- */
  --color-gold: oklch(71% 0.15 83);
  --color-gold-highlight: oklch(93% 0.05 85);

  /* ---- Functional: error ---- */
  --color-error: oklch(53% 0.17 26);
  --color-error-highlight: oklch(92% 0.05 26);

  /* ---- Deep ink surface (footer, nav-on-scroll) ---- */
  --color-ink: oklch(20% 0.03 264);
  --color-ink-2: oklch(25% 0.03 264);

  --radius-sm: 0.5rem;
  --radius-md: 0.85rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(25% 0.02 264 / 0.08);
  --shadow-md: 0 6px 18px oklch(25% 0.02 264 / 0.10);
  --shadow-lg: 0 20px 44px oklch(25% 0.02 264 / 0.16);

  --content-narrow: 640px;
  --content-default: 1080px;
  --content-wide: 1280px;
  --content-full: 100%;

  --font-display: 'Clash Display', 'Georgia', serif;
  --font-body: 'General Sans', 'Helvetica Neue', sans-serif;
}

[data-theme='dark'] {
  --color-bg: oklch(17% 0.018 264);
  --color-surface: oklch(21% 0.02 264);
  --color-surface-2: oklch(24% 0.02 264);
  --color-surface-offset: oklch(27% 0.022 264);
  --color-surface-offset-2: oklch(30% 0.024 264);
  --color-surface-dynamic: oklch(34% 0.026 264);
  --color-divider: oklch(30% 0.018 264);
  --color-border: oklch(36% 0.02 264);

  --color-text: oklch(92% 0.016 78);
  --color-text-muted: oklch(70% 0.016 78);
  --color-text-faint: oklch(50% 0.014 78);
  --color-text-inverse: oklch(19% 0.02 264);

  --color-primary: oklch(74% 0.16 50);
  --color-primary-hover: oklch(80% 0.14 52);
  --color-primary-active: oklch(85% 0.12 54);
  --color-primary-highlight: oklch(32% 0.06 50);

  --color-success: oklch(66% 0.13 148);
  --color-success-hover: oklch(72% 0.13 148);
  --color-success-highlight: oklch(28% 0.045 148);

  --color-gold: oklch(76% 0.13 85);
  --color-gold-highlight: oklch(30% 0.05 85);

  --color-error: oklch(66% 0.16 26);
  --color-error-highlight: oklch(30% 0.05 26);

  --color-ink: oklch(12% 0.02 264);
  --color-ink-2: oklch(16% 0.02 264);

  --shadow-sm: 0 1px 2px oklch(0% 0 0 / 0.35);
  --shadow-md: 0 8px 20px oklch(0% 0 0 / 0.42);
  --shadow-lg: 0 24px 48px oklch(0% 0 0 / 0.55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --color-bg: oklch(17% 0.018 264);
    --color-surface: oklch(21% 0.02 264);
    --color-surface-2: oklch(24% 0.02 264);
    --color-surface-offset: oklch(27% 0.022 264);
    --color-surface-offset-2: oklch(30% 0.024 264);
    --color-surface-dynamic: oklch(34% 0.026 264);
    --color-divider: oklch(30% 0.018 264);
    --color-border: oklch(36% 0.02 264);
    --color-text: oklch(92% 0.016 78);
    --color-text-muted: oklch(70% 0.016 78);
    --color-text-faint: oklch(50% 0.014 78);
    --color-text-inverse: oklch(19% 0.02 264);
    --color-primary: oklch(74% 0.16 50);
    --color-primary-hover: oklch(80% 0.14 52);
    --color-primary-active: oklch(85% 0.12 54);
    --color-primary-highlight: oklch(32% 0.06 50);
    --color-success: oklch(66% 0.13 148);
    --color-success-highlight: oklch(28% 0.045 148);
    --color-gold: oklch(76% 0.13 85);
    --color-error: oklch(66% 0.16 26);
    --color-ink: oklch(12% 0.02 264);
    --color-ink-2: oklch(16% 0.02 264);
  }
}

/* ---- Type scale ---- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --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;
}

/* ============ Global link reset ============ */
a {
  text-decoration: none;
  color: inherit;
}

/* ============ Layout helpers ============ */
.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.section {
  padding-block: clamp(var(--space-12), 7vw, var(--space-24));
}
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text);
}
.section-title {
  font-size: var(--text-xl);
  max-width: 32ch;
}
.section-sub {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 52ch;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

/* Scroll reveal (opacity-only, no CLS) */
.reveal {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .reveal {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 40%;
  }
}
@keyframes reveal-fade {
  to {
    opacity: 1;
  }
}

/* ============ Skip link ============ */
.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-2);
  z-index: 200;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
}
.skip-link:focus {
  left: var(--space-2);
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive),
    border-color var(--transition-interactive);
}
.btn svg {
  width: 18px;
  height: 18px;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active {
  background: var(--color-primary-active);
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-text);
  transform: translateY(-1px);
}
.btn-ghost:active {
  transform: translateY(0);
}
.btn-block {
  width: 100%;
}
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* ============ Header / Nav ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px) saturate(1.2);
  border-bottom: 1px solid var(--color-divider);
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-3);
  min-height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  flex-shrink: 0;
}
.logo svg {
  width: 34px;
  height: 34px;
  color: var(--color-primary);
}
.logo-word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1.1;
}
.logo-word span {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-inline: auto;
}
#navToggle {
  display: inline-flex;
}
@media (min-width: 860px) {
  #navToggle {
    display: none;
  }
}
@media (max-width: 599px) {
  .logo-word span {
    display: none;
  }
}
@media (max-width: 859px) {
  .nav-links {
    position: fixed;
    inset: 64px var(--space-4) auto var(--space-4);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    background: var(--color-surface);
    border: 1px solid var(--color-divider);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-3);
    margin-inline: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity var(--transition-interactive),
      transform var(--transition-interactive),
      visibility var(--transition-interactive);
    z-index: 90;
  }
  .nav-links.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-links li {
    width: 100%;
  }
  .nav-links a {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius-sm);
  }
  .nav-links a:hover {
    background: var(--color-surface-offset);
  }
  .nav-links a::after {
    display: none;
  }
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
}
.nav-links a:hover {
  color: var(--color-text);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-interactive);
}
.nav-links a:hover::after {
  width: 100%;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text);
  position: relative;
}
.icon-btn:hover {
  background: var(--color-surface-offset);
}
.icon-btn svg {
  width: 20px;
  height: 20px;
}
.cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  padding-inline: 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: 10px;
  font-weight: 700;
  border-radius: var(--radius-full);
}
.countdown-pill {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary-active);
  font-size: var(--text-xs);
  font-weight: 600;
  white-space: nowrap;
}
.countdown-pill svg {
  width: 14px;
  height: 14px;
}
@media (min-width: 900px) {
  .countdown-pill {
    display: inline-flex;
  }
}

/* ============ Hero ============ */
.hero {
  padding-block: clamp(var(--space-10), 8vw, var(--space-20)) clamp(var(--space-12), 6vw, var(--space-16));
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
}
.hero-copy h1 {
  font-size: var(--text-3xl);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-5);
}
.hero-copy h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero-copy p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 46ch;
}
.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.trust-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.trust-row .stars {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-text);
  font-weight: 600;
}
.trust-row .stars svg {
  width: 15px;
  height: 15px;
  color: var(--color-gold);
  fill: var(--color-gold);
}
.trust-row .divider-dot {
  width: 4px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-text-faint);
  flex-shrink: 0;
}
.trust-row .item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.trust-row .item svg {
  width: 16px;
  height: 16px;
  color: var(--color-success);
}

/* Hero product collage */
.hero-collage {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 480px;
  margin-inline: auto;
}
.collage-card {
  position: absolute;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-divider);
}
.collage-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.collage-1 {
  width: 62%;
  aspect-ratio: 4/5;
  top: 4%;
  left: 2%;
  z-index: 2;
  transform: rotate(-4deg);
}
.collage-2 {
  width: 42%;
  aspect-ratio: 1/1;
  bottom: 6%;
  right: 0;
  z-index: 3;
  transform: rotate(5deg);
}
.collage-3 {
  width: 44%;
  aspect-ratio: 1/1;
  top: 2%;
  right: 4%;
  z-index: 1;
  transform: rotate(8deg);
}
.collage-badge {
  position: absolute;
  bottom: -6%;
  left: 6%;
  z-index: 4;
  background: var(--color-ink);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-xs);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.collage-badge svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}
@media (max-width: 599px) {
  .hero-collage {
    max-width: 320px;
    margin-top: var(--space-4);
  }
}

/* ============ Urgency bar ============ */
.urgency-bar {
  background: var(--color-ink);
  color: var(--color-text-inverse);
}
.urgency-bar .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding-block: var(--space-3);
  font-size: var(--text-sm);
  text-align: center;
}
.urgency-bar strong {
  color: var(--color-primary);
  font-weight: 700;
}
.urgency-bar svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ============ Category tiles ============ */
.cat-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 980px) {
  .cat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.cat-card {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--color-surface-offset);
  box-shadow: var(--shadow-sm);
}
.cat-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 420ms cubic-bezier(0.16, 1, 0.3, 1);
}
.cat-card:hover img {
  transform: scale(1.06);
}
.cat-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, oklch(10% 0.02 264 / 0.82) 0%, oklch(10% 0.02 264 / 0.15) 55%, transparent 75%);
}
.cat-card-body {
  position: absolute;
  inset: auto var(--space-5) var(--space-5) var(--space-5);
  z-index: 2;
  color: #fdfaf3;
}
.cat-card-body .cat-price {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: oklch(88% 0.06 60);
  margin-bottom: var(--space-1);
}
.cat-card-body h3 {
  color: #fdfaf3;
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}
.cat-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fdfaf3;
}
.cat-card-link svg {
  width: 15px;
  height: 15px;
  transition: transform var(--transition-interactive);
}
.cat-card:hover .cat-card-link svg {
  transform: translateX(3px);
}

/* ============ Product grid (category sections) ============ */
.product-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 720px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.product-thumb {
  aspect-ratio: 1/1;
  background: var(--color-surface-offset);
  overflow: hidden;
}
.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-info {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}
.product-info h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-price {
  margin-top: auto;
  font-weight: 700;
  color: var(--color-text);
  font-size: var(--text-sm);
}
.product-price-row {
  margin-top: auto;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}
.product-price-now {
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--text-base);
}
.product-price-was {
  color: var(--color-text-faint);
  text-decoration: line-through;
  font-size: var(--text-sm);
}
.product-discount-badge {
  display: inline-block;
  margin-top: 2px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-primary-highlight);
  color: var(--color-primary-active);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.product-actions {
  margin-top: var(--space-2);
}
.product-add-btn {
  width: 100%;
  justify-content: center;
  padding: 9px var(--space-3);
  font-size: var(--text-xs);
}
.product-thumb-link {
  display: block;
  height: 100%;
}

/* ============ Bundle strip ============ */
.bundle-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 860px) {
  .bundle-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.bundle-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  position: relative;
}
.bundle-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}
.bundle-ribbon {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
.bundle-name {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.bundle-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}
.bundle-thumbs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.bundle-thumbs img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
}
.bundle-price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}
.bundle-price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
}
.bundle-was {
  color: var(--color-text-faint);
  text-decoration: line-through;
  font-size: var(--text-sm);
}
.bundle-save {
  display: inline-flex;
  align-self: flex-start;
  background: var(--color-success-highlight);
  color: var(--color-success);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}
.bundle-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.bundle-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  max-width: none;
}
.bundle-list svg {
  width: 16px;
  height: 16px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 3px;
}
.bundle-card .btn {
  margin-top: auto;
}

/* ============ Build-your-own bundle ============ */
.bundle-banner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-success-highlight);
  color: var(--color-success);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  font-weight: 500;
  font-size: var(--text-sm);
  margin-bottom: var(--space-8);
}
.bundle-banner strong {
  font-weight: 700;
}
.bundle-banner i {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
}
.howto-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-8);
}
@media (min-width: 760px) {
  .howto-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.howto-step {
  background: var(--color-surface);
  border: 1.5px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.howto-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: 700;
  font-size: var(--text-sm);
}
.howto-step h3 {
  font-size: var(--text-lg);
  margin: 0;
}
.howto-step p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin: 0;
}

/* ============ Grade level tiles ============ */
.grade-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .grade-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.grade-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
}
.grade-card:hover {
  border-color: var(--color-primary);
}
.grade-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary-active);
  flex-shrink: 0;
}
.grade-icon svg {
  width: 26px;
  height: 26px;
}
.grade-card h4 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.grade-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ============ Testimonials ============ */
.testi-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 780px) {
  .testi-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.testi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.testi-stars {
  display: flex;
  gap: 2px;
  color: var(--color-gold);
}
.testi-stars svg {
  width: 16px;
  height: 16px;
  fill: var(--color-gold);
}
.testi-card p {
  color: var(--color-text);
  font-size: var(--text-base);
  max-width: none;
}
.testi-person {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
}
.testi-avatar {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary-active);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}
.testi-person .name {
  font-weight: 600;
  font-size: var(--text-sm);
}
.testi-person .role {
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}
.testi-aggregate {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.testi-aggregate strong {
  color: var(--color-text);
  font-size: var(--text-lg);
  font-family: var(--font-display);
}

/* ============ Value props ============ */
.value-bar {
  background: var(--color-surface-2);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 780px) {
  .value-bar {
    grid-template-columns: repeat(4, 1fr);
  }
}
.value-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
}
.value-item svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}
.value-item h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
}
.value-item p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============ Best sellers carousel ============ */
.carousel-wrap {
  position: relative;
}
.carousel {
  display: flex;
  gap: var(--space-5);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: var(--space-2);
  scrollbar-width: none;
}
.carousel::-webkit-scrollbar {
  display: none;
}
.carousel .product-card {
  flex: 0 0 220px;
  scroll-snap-align: start;
}
.carousel-nav {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
}
@media (min-width: 640px) {
  .carousel-nav {
    display: flex;
  }
}
.carousel-nav button {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.carousel-nav button:hover {
  background: var(--color-surface-offset);
}
.carousel-nav svg {
  width: 18px;
  height: 18px;
}

/* ============ FAQ accordion ============ */
.faq-list {
  max-width: var(--content-narrow);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.faq-item {
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5);
  text-align: left;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.faq-q svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition-interactive);
}
.faq-item[data-open='true'] .faq-q svg {
  transform: rotate(45deg);
  color: var(--color-primary);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 320ms cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-a-inner {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ============ Capture band ============ */
.capture-band {
  background: var(--color-ink);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 6vw, var(--space-16));
  text-align: center;
}
.capture-band h2 {
  color: var(--color-text-inverse);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}
.capture-band p {
  color: oklch(85% 0.015 80);
  margin-inline: auto;
  margin-bottom: var(--space-8);
}
.capture-form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  max-width: 460px;
  margin-inline: auto;
}
.capture-form input {
  flex: 1 1 220px;
  min-width: 0;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  border: 1.5px solid oklch(40% 0.02 264);
  background: var(--color-ink-2);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
}
.capture-form input::placeholder {
  color: oklch(65% 0.015 80);
}
.capture-form input:focus-visible {
  outline: 2px solid var(--color-primary);
  border-color: var(--color-primary);
}
.capture-note {
  font-size: var(--text-xs);
  color: oklch(65% 0.015 80);
  margin-top: var(--space-4);
}
.capture-success {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 600;
  color: var(--color-primary);
}
.capture-success svg {
  width: 18px;
  height: 18px;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--color-ink);
  color: oklch(80% 0.015 80);
  padding-block: var(--space-16) var(--space-8);
}
.footer-grid {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-12);
}
@media (min-width: 780px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}
.footer-brand .logo {
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
}
.footer-brand .logo-word span {
  color: oklch(65% 0.015 80);
}
.footer-brand p {
  color: oklch(65% 0.015 80);
  font-size: var(--text-sm);
  max-width: 32ch;
}
.footer-col h5 {
  font-family: var(--font-body);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-col a {
  color: oklch(70% 0.015 80);
  font-size: var(--text-sm);
}
.footer-col a:hover {
  color: var(--color-text-inverse);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid oklch(30% 0.02 264);
  font-size: var(--text-xs);
  color: oklch(60% 0.015 80);
}
.footer-social {
  display: flex;
  gap: var(--space-3);
}
.footer-social a {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid oklch(35% 0.02 264);
  color: oklch(75% 0.015 80);
}
.footer-social a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.footer-social svg {
  width: 16px;
  height: 16px;
}

/* ============ Theme toggle ============ */
[data-theme-toggle] svg {
  width: 20px;
  height: 20px;
}

/* ============ Section band background alternation ============ */
.band-offset {
  background: var(--color-surface-2);
}