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

:root {
  --ink: #11100f;
  --muted: #716b66;
  --line: #e5e0db;
  --paper: #fff;
  --soft: #f4f1ed;
  --warm: #e8e0d8;
  --max: 1480px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

body.cart-open {
  overflow: hidden;
}

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

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

button,
input,
select {
  font: inherit;
}

button:focus-visible,
a:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 22px clamp(18px, 4vw, 64px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: padding 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled {
  padding-top: 14px;
  padding-bottom: 14px;
  border-color: var(--line);
}

.brand {
  display: inline-flex;
  width: fit-content;
}

.brand-logo {
  width: clamp(78px, 8vw, 118px);
  height: auto;
}

.nav-links {
  display: flex;
  gap: clamp(20px, 3vw, 44px);
  color: var(--muted);
  font-size: 13px;
}

.nav-links a:hover {
  color: var(--ink);
}

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 18px;
}

.language-switch {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.language-switch a[aria-current="page"] {
  color: var(--ink);
  font-weight: 750;
}

.cart-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  padding: 8px 12px 8px 15px;
  cursor: pointer;
}

.cart-count {
  display: inline-grid;
  place-items: center;
  min-width: 23px;
  height: 23px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
}

.hero {
  min-height: 100svh;
  max-width: 1720px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(420px, 1.18fr);
  align-items: center;
  gap: clamp(46px, 8vw, 132px);
  padding: 120px clamp(18px, 4vw, 64px) 44px;
}

.hero-copy {
  max-width: 650px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1,
h2,
.definition-word,
.hero-type span {
  font-family: Georgia, "Times New Roman", serif;
}

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(50px, 7.4vw, 112px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.92;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(39px, 5vw, 72px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

.hero-text,
.section-heading > p:last-child,
.story-section p,
.bundle-summary p,
.checkout-note {
  color: var(--muted);
}

.hero-text {
  max-width: 540px;
  margin-bottom: 34px;
  font-size: clamp(18px, 1.8vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 0 22px;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
  transform: none;
}

.button-dark {
  background: var(--ink);
  color: var(--paper);
}

.button-light {
  background: var(--paper);
  color: var(--ink);
}

.button-small {
  min-height: 42px;
  padding: 0 18px;
}

.button-full {
  width: 100%;
}

.hero-type {
  min-height: min(72svh, 760px);
  display: grid;
  align-content: center;
  gap: clamp(10px, 2vh, 22px);
  padding: clamp(28px, 5vw, 78px);
  background: var(--soft);
  overflow: hidden;
}

.hero-type span {
  display: block;
  font-size: clamp(68px, 10vw, 174px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.8;
  white-space: nowrap;
}

.hero-type span:nth-child(2) {
  margin-left: 10%;
}

.hero-type span:nth-child(3) {
  margin-left: 3%;
}

.intro-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
}

.intro-strip p {
  margin: 0;
  padding: 22px clamp(18px, 4vw, 64px);
  color: var(--muted);
  text-align: center;
}

.intro-strip p + p {
  border-left: 1px solid var(--line);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(78px, 9vw, 136px) clamp(18px, 4vw, 64px);
}

.section-heading {
  max-width: 780px;
  margin-bottom: clamp(38px, 6vw, 72px);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 2.5vw, 38px);
}

.product-card {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr;
}

.product-gallery {
  display: grid;
  gap: 12px;
}

.product-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--soft);
}

.product-image img {
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 400ms ease;
}

.product-card:hover .product-image img {
  transform: scale(1.018);
}

.print-language-badge {
  position: absolute;
  top: 13px;
  right: 13px;
  border: 1px solid rgba(17, 16, 15, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  padding: 6px 9px;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.style-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.style-button {
  min-width: 0;
  min-height: 58px;
  display: grid;
  grid-template-columns: 25px minmax(0, 1fr);
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  color: var(--muted);
  padding: 7px 8px;
  cursor: pointer;
  font-size: 11px;
  line-height: 1.15;
  text-align: left;
}

.style-button svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.45;
}

.style-button.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.product-info {
  min-height: 430px;
  display: grid;
  grid-template-rows: 1fr auto;
  padding-top: 28px;
}

.definition-word {
  margin-bottom: 12px;
  font-size: clamp(40px, 4vw, 62px);
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.definition-rule {
  width: 100%;
  height: 1px;
  margin-bottom: 14px;
  background: var(--ink);
}

.definition-grammar {
  margin-bottom: 15px;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.04em;
}

.definition > p:not(.definition-word):not(.definition-grammar) {
  color: var(--muted);
  font-size: 14px;
}

.definition-translation {
  margin-bottom: 24px;
}

.product-buy {
  display: grid;
  grid-template-columns: auto minmax(96px, 1fr) auto;
  align-items: end;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 18px;
  font-weight: 700;
}

.product-buy > span {
  align-self: center;
}

.size-control {
  min-width: 0;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.size-control select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  padding: 0 34px 0 14px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: none;
}

.set-section {
  max-width: none;
  padding-inline: 0;
  background: var(--soft);
}

.set-panel {
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: clamp(18px, 4vw, 64px);
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(34px, 6vw, 96px);
}

.set-heading {
  position: sticky;
  top: 108px;
  margin-bottom: 0;
}

.bundle-builder {
  border: 1px solid var(--line);
  background: var(--paper);
}

.bundle-option {
  min-height: 112px;
  display: grid;
  grid-template-columns: minmax(94px, 0.52fr) minmax(290px, 1.4fr) minmax(94px, 0.48fr);
  align-items: center;
  gap: 16px;
  padding: 20px;
  border-bottom: 1px solid var(--line);
}

.bundle-check {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.bundle-check input {
  width: 20px;
  height: 20px;
  accent-color: var(--ink);
}

.bundle-number {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
}

.style-controls-compact .style-button {
  min-height: 52px;
  grid-template-columns: 22px minmax(0, 1fr);
  font-size: 10px;
}

.style-controls-compact .style-button svg {
  width: 22px;
  height: 22px;
}

.bundle-size {
  align-self: center;
}

.bundle-summary {
  padding: 30px;
}

.bundle-kicker {
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.bundle-total {
  margin-bottom: 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(50px, 5vw, 72px);
  line-height: 1;
}

.bundle-summary .button {
  margin-top: 18px;
}

.story-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(42px, 7vw, 106px);
  border-bottom: 1px solid var(--line);
}

.story-lead {
  max-width: 670px;
  font-size: clamp(18px, 1.8vw, 22px);
}

.story-grid {
  display: grid;
  gap: 28px;
}

.story-grid article {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.story-grid article:last-child {
  border-bottom: 0;
}

.cart-drawer {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  visibility: hidden;
}

.cart-drawer.is-open {
  pointer-events: auto;
  visibility: visible;
}

.cart-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 16, 15, 0.32);
  opacity: 0;
  transition: opacity 180ms ease;
}

.cart-drawer.is-open .cart-backdrop {
  opacity: 1;
}

.cart-panel {
  position: absolute;
  inset: 0 0 0 auto;
  width: min(460px, 100%);
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--paper);
  transform: translateX(100%);
  transition: transform 220ms ease;
}

.cart-drawer.is-open .cart-panel {
  transform: translateX(0);
}

.cart-head,
.cart-foot {
  padding: 24px;
}

.cart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.cart-head h2 {
  margin: 0;
  font-family: inherit;
  font-size: 24px;
  font-weight: 650;
  letter-spacing: 0;
}

.icon-button {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  cursor: pointer;
  font-size: 22px;
}

.cart-items {
  overflow: auto;
}

.cart-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}

.cart-item p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.remove-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
}

.cart-empty {
  display: none;
  padding: 28px 24px;
  color: var(--muted);
}

.cart-empty.is-visible {
  display: block;
}

.cart-total-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  font-size: 18px;
}

.checkout-note {
  margin: 14px 0 0;
  font-size: 13px;
  text-align: center;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

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

  .product-card:last-child {
    grid-column: 1 / -1;
    justify-self: center;
    width: calc(50% - 10px);
  }

  .set-panel,
  .story-section {
    grid-template-columns: 1fr;
  }

  .set-heading {
    position: static;
  }
}

@media (max-width: 820px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 116px;
  }

  .hero-type {
    min-height: 430px;
  }

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

  .product-card:last-child {
    grid-column: auto;
    justify-self: stretch;
    width: auto;
  }

  .product-info {
    min-height: auto;
    padding-bottom: 34px;
  }

  .bundle-option {
    grid-template-columns: 1fr minmax(90px, 120px);
  }

  .bundle-option .style-controls {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (max-width: 640px) {
  .site-header {
    gap: 10px;
    padding-inline: 16px;
  }

  .brand-logo {
    width: 68px;
  }

  .header-actions {
    gap: 10px;
  }

  .cart-button {
    min-height: 38px;
    padding: 6px 9px 6px 12px;
    font-size: 13px;
  }

  .language-switch {
    font-size: 11px;
  }

  .hero,
  .section,
  .set-panel {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-type {
    min-height: 340px;
    padding: 26px;
  }

  .intro-strip {
    grid-template-columns: 1fr;
  }

  .intro-strip p + p {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .style-button {
    min-height: 60px;
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 3px;
    text-align: center;
  }

  .bundle-option {
    grid-template-columns: 1fr;
    gap: 13px;
    padding: 18px;
  }

  .bundle-option .style-controls {
    grid-column: auto;
    grid-row: auto;
  }

  .style-controls-compact .style-button {
    grid-template-columns: 1fr;
  }

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

  .product-buy > span {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}