/* =========================================================
   LUMORA BOOKSTORE
   Premium HTML + CSS Only Landing Page
   ========================================================= */

/* =========================================================
   1. DESIGN TOKENS
   ========================================================= */

:root {
  /* Colors */
  --color-bg: #f8f7f3;
  --color-bg-soft: #f0efe9;
  --color-surface: rgba(255, 255, 255, 0.72);
  --color-surface-solid: #ffffff;
  --color-surface-dark: #1c2925;

  --color-text: #1e2924;
  --color-text-soft: #68716b;
  --color-text-muted: #909891;

  --color-primary: #244b3b;
  --color-primary-dark: #17362a;
  --color-primary-light: #dfeae2;

  --color-accent: #d99a58;
  --color-accent-light: #f3dfc8;

  --color-border: rgba(30, 41, 36, 0.1);
  --color-border-strong: rgba(30, 41, 36, 0.18);

  --color-white: #ffffff;
  --color-black: #000000;
  --color-danger: #b95d5d;

  /* Typography */
  --font-heading: "Playfair Display", Georgia, serif;
  --font-body: "DM Sans", Arial, sans-serif;

  --text-xs: 0.72rem;
  --text-sm: 0.82rem;
  --text-base: 1rem;
  --text-md: 1.1rem;
  --text-lg: 1.4rem;
  --text-xl: 2rem;
  --text-2xl: clamp(2.5rem, 5vw, 5.5rem);

  --line-tight: 1.05;
  --line-normal: 1.6;
  --line-loose: 1.8;

  /* Spacing */
  --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;

  /* Layout */
  --container-width: 1240px;
  --header-height: 84px;

  /* Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.9rem;
  --radius-lg: 1.4rem;
  --radius-xl: 2rem;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-xs: 0 2px 8px rgba(28, 41, 37, 0.04);
  --shadow-sm: 0 8px 24px rgba(28, 41, 37, 0.06);
  --shadow-md: 0 18px 45px rgba(28, 41, 37, 0.1);
  --shadow-lg: 0 28px 80px rgba(28, 41, 37, 0.14);

  /* Effects */
  --blur-glass: blur(18px);
  --transition-fast: 180ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 600ms ease;
}

/* =========================================================
   1b. DARK THEME
   ========================================================= */

[data-theme="dark"] {
  --color-bg: #0f1410;
  --color-bg-soft: #161d18;
  --color-surface: rgba(22, 29, 24, 0.82);
  --color-surface-solid: #1a2420;
  --color-surface-dark: #e8f0eb;

  --color-text: #e4ebe6;
  --color-text-soft: #9aa8a0;
  --color-text-muted: #6b7a71;

  --color-primary: #5cb88a;
  --color-primary-dark: #7dd4a6;
  --color-primary-light: #1a2e24;

  --color-accent: #e8b06a;
  --color-accent-light: #2e2518;

  --color-border: rgba(228, 235, 230, 0.1);
  --color-border-strong: rgba(228, 235, 230, 0.18);

  --shadow-xs: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 18px 45px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] body {
  background:
    linear-gradient(
      135deg,
      rgba(15, 20, 16, 0.6),
      transparent 40%
    ),
    var(--color-bg);
}

[data-theme="dark"] body::before {
  opacity: 0.12;
  background-image:
    linear-gradient(
      rgba(92, 184, 138, 0.04) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(92, 184, 138, 0.04) 1px,
      transparent 1px
    );
  background-size: 48px 48px;
}

[data-theme="dark"] .site-header {
  border-bottom-color: rgba(228, 235, 230, 0.06);
  background: rgba(15, 20, 16, 0.82);
}

[data-theme="dark"] .mobile-nav {
  background: rgba(22, 29, 24, 0.94);
}

[data-theme="dark"] .mobile-nav a:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

[data-theme="dark"] .icon-button:hover,
[data-theme="dark"] .cart-button:hover {
  border-color: var(--color-border);
  background: var(--color-surface-solid);
}

[data-theme="dark"] .button-primary {
  box-shadow: 0 10px 24px rgba(92, 184, 138, 0.2);
}

[data-theme="dark"] .button-primary:hover {
  box-shadow: 0 15px 30px rgba(92, 184, 138, 0.3);
}

[data-theme="dark"] .button-secondary {
  color: var(--color-primary);
  border-color: var(--color-border-strong);
  background: rgba(15, 20, 16, 0.4);
}

[data-theme="dark"] .button-secondary:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-solid);
}

[data-theme="dark"] .button-light {
  color: var(--color-primary);
  background: var(--color-surface-solid);
}

[data-theme="dark"] .button-light:hover {
  color: var(--color-white);
  background: var(--color-accent);
}

[data-theme="dark"] .category-card::before {
  background: rgba(15, 20, 16, 0.35);
}

[data-theme="dark"] .category-icon {
  background: rgba(15, 20, 16, 0.62);
  color: var(--color-primary);
}

[data-theme="dark"] .category-fiction {
  background: linear-gradient(145deg, rgba(26, 46, 36, 0.9), rgba(22, 29, 24, 0.8));
}

[data-theme="dark"] .category-business {
  background: linear-gradient(145deg, rgba(46, 37, 24, 0.9), rgba(30, 25, 16, 0.8));
}

[data-theme="dark"] .category-mind {
  background: linear-gradient(145deg, rgba(26, 28, 46, 0.9), rgba(22, 22, 38, 0.8));
}

[data-theme="dark"] .category-design {
  background: linear-gradient(145deg, rgba(42, 28, 24, 0.9), rgba(34, 22, 18, 0.8));
}

[data-theme="dark"] .stats-section {
  background: rgba(15, 20, 16, 0.38);
}

[data-theme="dark"] .products-section {
  background: rgba(15, 20, 16, 0.2);
}

[data-theme="dark"] .product-card {
  background: rgba(22, 29, 24, 0.58);
}

[data-theme="dark"] .product-image::before {
  background-image:
    radial-gradient(
      rgba(15, 20, 16, 0.35) 1px,
      transparent 1px
    );
}

[data-theme="dark"] .wishlist-button {
  border-color: rgba(15, 20, 16, 0.75);
  background: rgba(22, 29, 24, 0.62);
}

[data-theme="dark"] .wishlist-button:hover {
  background: var(--color-surface-solid);
}

[data-theme="dark"] .arrival-card {
  background: rgba(22, 29, 24, 0.55);
}

[data-theme="dark"] .newsletter-card {
  background: linear-gradient(135deg, rgba(26, 46, 36, 0.8), rgba(22, 29, 24, 0.65));
}

[data-theme="dark"] .newsletter-icon {
  background: rgba(15, 20, 16, 0.7);
  color: var(--color-primary);
}

[data-theme="dark"] .newsletter-form {
  border-color: var(--color-border);
  background: rgba(22, 29, 24, 0.75);
}

[data-theme="dark"] .site-footer {
  border-top-color: var(--color-border);
  background: #0a0f0b;
}

[data-theme="dark"] .social-links a {
  border-color: var(--color-border);
  background: rgba(15, 20, 16, 0.4);
}

[data-theme="dark"] .social-links a:hover {
  color: var(--color-white);
  background: var(--color-primary);
}

[data-theme="dark"] .floating-label {
  border-color: rgba(15, 20, 16, 0.75);
  background: rgba(22, 29, 24, 0.72);
  color: var(--color-primary);
}

[data-theme="dark"] .background-orb {
  opacity: 0.06;
}

[data-theme="dark"] .orb-one {
  background: #2a5a3a;
}

[data-theme="dark"] .orb-two {
  background: #5a3a1a;
}

[data-theme="dark"] .orb-three {
  background: #1a3a5a;
}

[data-theme="dark"] .hero-circle {
  border-color: rgba(92, 184, 138, 0.12);
}

[data-theme="dark"] .editorial-card {
  background:
    radial-gradient(
      circle at 90% 20%,
      rgba(232, 176, 106, 0.2),
      transparent 32%
    ),
    linear-gradient(135deg, #0a1a10, #142a1e);
}

[data-theme="dark"] .book-shadow {
  background: rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] ::selection {
  background: var(--color-primary);
  color: var(--color-bg);
}

[data-theme="dark"] :focus-visible {
  outline-color: rgba(232, 176, 106, 0.7);
}

/* =========================================================
   2. RESET & BASE STYLES
   ========================================================= */

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.3),
      transparent 40%
    ),
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--line-normal);
  -webkit-font-smoothing: antialiased;
  transition:
    background 500ms ease,
    color 400ms ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  opacity: 0.25;
  background-image:
    linear-gradient(
      rgba(36, 75, 59, 0.025) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(36, 75, 59, 0.025) 1px,
      transparent 1px
    );
  background-size: 48px 48px;
}

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

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

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

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--line-tight);
}

button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  color: var(--color-white);
  background: var(--color-primary);
}

/* =========================================================
   3. ACCESSIBILITY
   ========================================================= */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid rgba(217, 154, 88, 0.7);
  outline-offset: 4px;
}

/* =========================================================
   4. GLOBAL LAYOUT
   ========================================================= */

.container {
  width: min(
    calc(100% - 2rem),
    var(--container-width)
  );
  margin-inline: auto;
}

.section {
  padding-block: var(--space-20);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

.section-kicker {
  display: block;
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.2;
  text-transform: uppercase;
}

.section-heading h2 {
  max-width: 600px;
  margin-bottom: 0;
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  letter-spacing: -0.045em;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 700;
  transition:
    color var(--transition-fast),
    gap var(--transition-fast);
}

.text-link:hover {
  gap: var(--space-3);
  color: var(--color-accent);
}

/* =========================================================
   5. BACKGROUND ORBS
   ========================================================= */

.background-orb {
  position: fixed;
  z-index: -1;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(90px);
  opacity: 0.14;
}

.orb-one {
  top: 8%;
  left: -180px;
  background: #9fc4aa;
}

.orb-two {
  top: 42%;
  right: -190px;
  background: #e8b57e;
}

.orb-three {
  bottom: 4%;
  left: 40%;
  background: #b3c8df;
}

/* =========================================================
   6. HEADER & NAVIGATION
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid rgba(30, 41, 36, 0.06);
  background: rgba(248, 247, 243, 0.78);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  transition:
    background 500ms ease,
    border-color 400ms ease;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.brand-icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  color: var(--color-white);
  background: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transform: rotate(-4deg);
  transition: transform var(--transition-base);
}

.brand:hover .brand-icon {
  transform: rotate(0deg) translateY(-2px);
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.06em;
}

.brand-text span {
  color: var(--color-accent);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2.25rem);
  margin-left: auto;
  margin-right: auto;
}

.desktop-nav a {
  position: relative;
  color: var(--color-text-soft);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--color-primary);
}

.desktop-nav a:hover::after,
.desktop-nav a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Theme Toggle */
.theme-toggle {
  position: relative;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 50%;
  color: var(--color-text);
  background: transparent;
  cursor: pointer;
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--color-border);
  background: var(--color-white);
  transform: translateY(-2px);
}

.theme-toggle i {
  font-size: 1rem;
  transition: transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-toggle:active i {
  transform: rotate(30deg) scale(0.85);
}

[data-theme="dark"] .theme-toggle:hover {
  background: var(--color-surface-solid);
}

.icon-button,
.cart-button {
  position: relative;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 50%;
  color: var(--color-text);
  background: transparent;
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.icon-button:hover,
.cart-button:hover {
  border-color: var(--color-border);
  background: var(--color-white);
  transform: translateY(-2px);
}

.cart-count {
  position: absolute;
  top: -3px;
  right: -2px;
  display: grid;
  width: 17px;
  height: 17px;
  place-items: center;
  border: 2px solid var(--color-bg);
  border-radius: 50%;
  color: var(--color-white);
  background: var(--color-accent);
  font-size: 0.6rem;
  font-weight: 700;
}

.mobile-menu {
  display: none;
  position: relative;
}

.mobile-menu summary {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  list-style: none;
}

.mobile-menu summary::-webkit-details-marker {
  display: none;
}

.mobile-nav {
  position: absolute;
  top: calc(100% + 1rem);
  right: 0;
  display: flex;
  min-width: 210px;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-lg);
  backdrop-filter: var(--blur-glass);
}

.mobile-nav a {
  padding: 0.7rem 0.8rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-soft);
  font-size: var(--text-sm);
  font-weight: 600;
}

.mobile-nav a:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* =========================================================
   7. BUTTONS
   ========================================================= */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 48px;
  padding: 0.8rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  transition:
    color var(--transition-base),
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  color: var(--color-white);
  background: var(--color-primary);
  box-shadow: 0 10px 24px rgba(36, 75, 59, 0.16);
}

.button-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 15px 30px rgba(36, 75, 59, 0.22);
}

.button-secondary {
  color: var(--color-primary);
  border-color: var(--color-border-strong);
  background: rgba(255, 255, 255, 0.4);
}

.button-secondary:hover {
  border-color: var(--color-primary);
  background: var(--color-white);
}

.button-light {
  color: var(--color-primary);
  background: var(--color-white);
}

.button-light:hover {
  color: var(--color-white);
  background: var(--color-accent);
}

/* =========================================================
   8. HERO SECTION
   ========================================================= */

.hero-section {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding-block: var(--space-16);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 7rem);
}

.hero-content {
  position: relative;
  z-index: 2;
  animation: fade-up 800ms ease both;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  color: var(--color-text-soft);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow-line {
  width: 32px;
  height: 1px;
  background: var(--color-accent);
}

.hero-content h1 {
  max-width: 720px;
  margin-bottom: var(--space-6);
  font-size: var(--text-2xl);
  letter-spacing: -0.065em;
}

.hero-content h1 span {
  display: block;
  color: var(--color-primary);
  font-style: italic;
}

.hero-description {
  max-width: 500px;
  margin-bottom: var(--space-8);
  color: var(--color-text-soft);
  font-size: 1.05rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.avatar-stack {
  display: flex;
  align-items: center;
}

.avatar {
  display: grid;
  width: 34px;
  height: 34px;
  margin-left: -8px;
  place-items: center;
  border: 3px solid var(--color-bg);
  border-radius: 50%;
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 700;
}

.avatar:first-child {
  margin-left: 0;
}

.avatar-one {
  background: #7a9b87;
}

.avatar-two {
  background: #d99a58;
}

.avatar-three {
  background: #8a7ca8;
}

.avatar-four {
  background: #b77b6e;
}

.rating-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 3px;
  color: var(--color-accent);
  font-size: 0.72rem;
}

.hero-trust p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.hero-trust strong {
  color: var(--color-text);
}

/* =========================================================
   9. HERO BOOK VISUAL
   ========================================================= */

.hero-visual {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
  animation: fade-in 1000ms 200ms ease both;
}

.hero-glow {
  position: absolute;
  width: 390px;
  height: 390px;
  border-radius: 50%;
  background:
    radial-gradient(
      circle,
      rgba(217, 154, 88, 0.22),
      rgba(36, 75, 59, 0.08) 45%,
      transparent 70%
    );
  filter: blur(8px);
}

.book-scene {
  position: relative;
  width: 390px;
  height: 440px;
  transform: rotate(-4deg);
  transition: transform var(--transition-slow);
}

.hero-visual:hover .book-scene {
  transform: rotate(-1deg) translateY(-8px);
}

.book-shadow {
  position: absolute;
  right: 0;
  bottom: 30px;
  left: 0;
  height: 55px;
  border-radius: 50%;
  background: rgba(36, 75, 59, 0.2);
  filter: blur(25px);
  transform: rotate(4deg);
}

.book-cover {
  position: absolute;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow:
    20px 25px 45px rgba(28, 41, 37, 0.18),
    inset 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.main-book {
  z-index: 3;
  top: 35px;
  left: 75px;
  width: 235px;
  height: 350px;
  padding: 24px;
  border-radius: 3px 12px 12px 3px;
  color: #f6ead8;
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.08),
      transparent 40%
    ),
    #294e3d;
  transform: rotate(4deg);
}

.main-book::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 18px;
  width: 1px;
  background: rgba(255, 255, 255, 0.15);
}

.book-cover-top {
  margin-left: 16px;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.book-cover-title {
  margin-top: auto;
  margin-bottom: auto;
  font-family: var(--font-heading);
  font-size: 2.15rem;
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.06em;
}

.book-cover-author {
  margin-left: 16px;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.book-cover-symbol {
  position: absolute;
  top: 45%;
  right: 18px;
  font-size: 2.2rem;
  opacity: 0.25;
}

.side-book {
  z-index: 2;
  top: 72px;
  left: 10px;
  width: 145px;
  height: 300px;
  padding: 20px;
  justify-content: center;
  color: #f6ead8;
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.12),
      transparent
    ),
    #bc7653;
  transform: rotate(-10deg);
}

.side-book-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.1;
}

.side-book-author {
  margin-top: auto;
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.small-book {
  z-index: 1;
  right: 10px;
  bottom: 30px;
  width: 150px;
  height: 220px;
  padding: 20px;
  justify-content: center;
  color: #283a53;
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.25),
      transparent
    ),
    #d9e0dc;
  transform: rotate(13deg);
}

.small-book-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.05;
}

.floating-label {
  position: absolute;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-pill);
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-md);
  backdrop-filter: var(--blur-glass);
  font-size: var(--text-xs);
  font-weight: 700;
  white-space: nowrap;
}

.floating-label i {
  color: var(--color-accent);
}

.label-top {
  top: 38px;
  right: 8px;
  animation: floating 5s ease-in-out infinite;
}

.label-bottom {
  bottom: 34px;
  left: 5px;
  animation: floating 5s 1s ease-in-out infinite;
}

.hero-circle {
  position: absolute;
  border: 1px solid rgba(36, 75, 59, 0.12);
  border-radius: 50%;
  pointer-events: none;
}

.circle-one {
  width: 460px;
  height: 460px;
}

.circle-two {
  width: 570px;
  height: 570px;
  opacity: 0.5;
}

/* =========================================================
   10. STATS SECTION
   ========================================================= */

.stats-section {
  border-block: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.38);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-8) var(--space-4);
  border-right: 1px solid var(--color-border);
  text-align: center;
}

.stat-item:first-child {
  border-left: 1px solid var(--color-border);
}

.stat-number {
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.05em;
}

.stat-label {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 600;
}

/* =========================================================
   11. CATEGORY CARDS
   ========================================================= */

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}

.category-card {
  position: relative;
  display: flex;
  min-height: 270px;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
  isolation: isolate;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.category-card::before {
  content: "";
  position: absolute;
  z-index: -1;
  right: -50px;
  bottom: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transition: transform var(--transition-slow);
}

.category-card:hover {
  border-color: rgba(36, 75, 59, 0.2);
  box-shadow: var(--shadow-md);
  transform: translateY(-8px);
}

.category-card:hover::before {
  transform: scale(1.5);
}

.category-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 15px;
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.62);
  font-size: 1.2rem;
}

.category-content {
  margin-top: var(--space-10);
}

.category-content h3 {
  margin-bottom: var(--space-2);
  font-size: 1.45rem;
  letter-spacing: -0.04em;
}

.category-content p {
  margin-bottom: var(--space-4);
  color: var(--color-text-soft);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.category-content span {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 600;
}

.category-arrow {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  transition:
    color var(--transition-fast),
    transform var(--transition-fast);
}

.category-card:hover .category-arrow {
  color: var(--color-primary);
  transform: translate(3px, -3px);
}

.category-fiction {
  background:
    linear-gradient(
      145deg,
      rgba(226, 237, 227, 0.9),
      rgba(246, 248, 241, 0.8)
    );
}

.category-business {
  background:
    linear-gradient(
      145deg,
      rgba(242, 231, 214, 0.9),
      rgba(250, 246, 236, 0.8)
    );
}

.category-mind {
  background:
    linear-gradient(
      145deg,
      rgba(226, 226, 241, 0.9),
      rgba(246, 244, 250, 0.8)
    );
}

.category-design {
  background:
    linear-gradient(
      145deg,
      rgba(240, 222, 216, 0.9),
      rgba(251, 243, 238, 0.8)
    );
}

/* =========================================================
   12. PRODUCT CARDS
   ========================================================= */

.products-section {
  background: rgba(255, 255, 255, 0.2);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-5);
}

.product-card {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.product-card:hover {
  border-color: rgba(36, 75, 59, 0.18);
  box-shadow: var(--shadow-md);
  transform: translateY(-7px);
}

.product-image {
  position: relative;
  min-height: 315px;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
}

.product-image::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.6;
  background-image:
    radial-gradient(
      rgba(255, 255, 255, 0.35) 1px,
      transparent 1px
    );
  background-size: 14px 14px;
}

.image-one {
  background: #dfe9df;
}

.image-two {
  background: #eee2ce;
}

.image-three {
  background: #e6e0ee;
}

.image-four {
  background: #e9dcd7;
}

.product-badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 3;
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-pill);
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  backdrop-filter: blur(10px);
}

.badge-new {
  color: #76512b;
  background: rgba(255, 243, 218, 0.8);
}

.badge-limited {
  color: #704e72;
  background: rgba(246, 232, 248, 0.8);
}

.wishlist-button {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 3;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  color: var(--color-text-soft);
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(10px);
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast);
}

.wishlist-button:hover {
  color: var(--color-danger);
  background: var(--color-white);
  transform: scale(1.08);
}

.product-book {
  position: relative;
  display: flex;
  width: 160px;
  height: 235px;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  overflow: hidden;
  border-radius: 3px 9px 9px 3px;
  box-shadow: 16px 20px 30px rgba(28, 41, 37, 0.18);
  transition:
    transform var(--transition-slow),
    box-shadow var(--transition-slow);
}

.product-card:hover .product-book {
  box-shadow: 20px 28px 40px rgba(28, 41, 37, 0.24);
  transform: rotate(-3deg) translateY(-8px);
}

.product-book::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 12px;
  width: 1px;
  background: rgba(255, 255, 255, 0.18);
}

.product-book-title {
  margin-left: 10px;
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.06em;
}

.product-book-author {
  margin-left: 10px;
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.book-product-one {
  color: #f3e8d5;
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.12),
      transparent
    ),
    #8d5d43;
  transform: rotate(4deg);
}

.book-product-two {
  color: #f5e9d4;
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.1),
      transparent
    ),
    #2e4b3e;
  transform: rotate(-3deg);
}

.book-product-three {
  color: #f4e5c9;
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.12),
      transparent
    ),
    #6d4f80;
  transform: rotate(5deg);
}

.book-product-four {
  color: #f4eadc;
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.12),
      transparent
    ),
    #b66d57;
  transform: rotate(-4deg);
}

.product-info {
  padding: var(--space-5);
}

.product-category {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-accent);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.product-info h3 {
  margin-bottom: var(--space-2);
  font-size: 1.3rem;
  letter-spacing: -0.04em;
}

.product-author {
  margin-bottom: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.product-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.price {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.price strong {
  color: var(--color-primary);
  font-size: 1.05rem;
}

.price del {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.add-button {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-white);
  background: var(--color-primary);
  transition:
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.add-button:hover {
  background: var(--color-accent);
  box-shadow: var(--shadow-sm);
  transform: rotate(90deg);
}

/* =========================================================
   13. EDITORIAL BANNER
   ========================================================= */

.editorial-section {
  padding-block: var(--space-20);
}

.editorial-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-height: 470px;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 5rem);
  border-radius: var(--radius-xl);
  color: #f6ead8;
  background:
    radial-gradient(
      circle at 90% 20%,
      rgba(217, 154, 88, 0.25),
      transparent 32%
    ),
    linear-gradient(
      135deg,
      #1c3328,
      #294e3d
    );
  box-shadow: var(--shadow-lg);
}

.editorial-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image:
    linear-gradient(
      90deg,
      transparent 49%,
      rgba(255, 255, 255, 0.6) 50%,
      transparent 51%
    ),
    linear-gradient(
      transparent 49%,
      rgba(255, 255, 255, 0.6) 50%,
      transparent 51%
    );
  background-size: 40px 40px;
}

.editorial-content {
  position: relative;
  z-index: 2;
  max-width: 500px;
}

.editorial-content .section-kicker {
  color: #d9a66d;
}

.editorial-content h2 {
  margin-bottom: var(--space-6);
  font-size: clamp(2.2rem, 4vw, 4.3rem);
  letter-spacing: -0.06em;
}

.editorial-content p {
  max-width: 430px;
  margin-bottom: var(--space-8);
  color: rgba(246, 234, 216, 0.68);
  line-height: 1.8;
}

.editorial-art {
  position: relative;
  min-height: 370px;
  display: grid;
  place-items: center;
}

.art-circle {
  position: absolute;
  border: 1px solid rgba(246, 234, 216, 0.14);
  border-radius: 50%;
}

.art-circle-one {
  width: 330px;
  height: 330px;
}

.art-circle-two {
  width: 470px;
  height: 470px;
}

.journal-card {
  position: relative;
  z-index: 2;
  width: min(100%, 350px);
  min-height: 330px;
  padding: var(--space-6);
  color: var(--color-primary);
  background: #ead9bc;
  box-shadow: 20px 25px 50px rgba(0, 0, 0, 0.18);
  transform: rotate(7deg);
  transition: transform var(--transition-slow);
}

.editorial-card:hover .journal-card {
  transform: rotate(2deg) translateY(-8px);
}

.journal-card::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(36, 75, 59, 0.2);
  pointer-events: none;
}

.journal-card-top,
.journal-card-footer {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.journal-card-line {
  width: 100%;
  height: 1px;
  margin-block: var(--space-6);
  background: rgba(36, 75, 59, 0.2);
}

.journal-card h3 {
  position: relative;
  margin-bottom: var(--space-6);
  font-size: 2.5rem;
  letter-spacing: -0.06em;
}

.journal-card h3 span {
  color: #a76749;
  font-style: italic;
}

.journal-card p {
  position: relative;
  color: rgba(36, 75, 59, 0.6);
  font-size: var(--text-sm);
}

.journal-card-footer {
  position: absolute;
  right: var(--space-6);
  bottom: var(--space-6);
  left: var(--space-6);
  color: rgba(36, 75, 59, 0.6);
  letter-spacing: 0;
}

/* =========================================================
   14. NEW ARRIVALS
   ========================================================= */

.arrival-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.arrival-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-5);
  min-width: 0;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.55);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.arrival-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}

.arrival-cover {
  display: flex;
  min-height: 205px;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-4);
  border-radius: 3px 8px 8px 3px;
  box-shadow: 8px 12px 20px rgba(28, 41, 37, 0.12);
}

.arrival-cover span {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.06em;
}

.arrival-cover small {
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.arrival-cover-one {
  color: #f5e9d7;
  background: #a05d4d;
}

.arrival-cover-two {
  color: #f3e7d4;
  background: #3e5e51;
}

.arrival-cover-three {
  color: #f4eadb;
  background: #706489;
}

.arrival-info {
  min-width: 0;
}

.arrival-info > span {
  display: block;
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1.4;
  text-transform: uppercase;
}

.arrival-info h3 {
  margin-bottom: var(--space-4);
  font-size: 1.35rem;
  letter-spacing: -0.04em;
}

.arrival-info p {
  margin-bottom: 0;
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 700;
}

/* =========================================================
   15. NEWSLETTER
   ========================================================= */

.newsletter-section {
  padding-block: var(--space-20);
}

.newsletter-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(300px, 0.8fr);
  align-items: center;
  gap: var(--space-8);
  padding: clamp(2rem, 4vw, 3.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(
      135deg,
      rgba(223, 234, 226, 0.8),
      rgba(255, 255, 255, 0.65)
    );
  box-shadow: var(--shadow-sm);
}

.newsletter-icon {
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  border-radius: 20px;
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.7);
  font-size: 1.4rem;
}

.newsletter-content h2 {
  max-width: 550px;
  margin-bottom: var(--space-3);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  letter-spacing: -0.055em;
}

.newsletter-content p {
  max-width: 500px;
  margin-bottom: 0;
  color: var(--color-text-soft);
  font-size: var(--text-sm);
}

.newsletter-form {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.75);
}

.newsletter-form input {
  min-width: 0;
  flex: 1;
  padding: 0.75rem 1rem;
  border: 0;
  outline: 0;
  color: var(--color-text);
  background: transparent;
  font-size: var(--text-sm);
}

.newsletter-form input::placeholder {
  color: var(--color-text-muted);
}

.newsletter-form .button {
  flex-shrink: 0;
  min-height: 42px;
  padding-inline: 1rem;
}

/* =========================================================
   16. FOOTER
   ========================================================= */

.site-footer {
  padding-top: var(--space-16);
  border-top: 1px solid var(--color-border);
  background: #eef0e9;
  transition:
    background 500ms ease,
    border-color 400ms ease;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-10);
  padding-bottom: var(--space-16);
}

.footer-brand-column {
  max-width: 330px;
}

.footer-brand {
  margin-bottom: var(--space-5);
}

.footer-brand-column > p {
  margin-bottom: var(--space-6);
  color: var(--color-text-soft);
  font-size: var(--text-sm);
  line-height: 1.8;
}

.social-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.social-links a {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-soft);
  background: rgba(255, 255, 255, 0.4);
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast);
}

.social-links a:hover {
  color: var(--color-white);
  background: var(--color-primary);
  transform: translateY(-3px);
}

.footer-column {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

.footer-column h3 {
  margin-bottom: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
}

.footer-column a {
  color: var(--color-text-soft);
  font-size: var(--text-sm);
  transition:
    color var(--transition-fast),
    transform var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.footer-bottom p {
  margin-bottom: 0;
}

/* =========================================================
   17. ANIMATIONS
   ========================================================= */

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes floating {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

/* =========================================================
   18. TABLET RESPONSIVE
   ========================================================= */

@media (max-width: 1100px) {
  .desktop-nav {
    gap: var(--space-4);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.8fr);
    gap: var(--space-8);
  }

  .hero-content h1 {
    font-size: clamp(3rem, 5vw, 4.5rem);
  }

  .hero-visual {
    min-height: 500px;
    transform: scale(0.9);
  }

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

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

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

  .arrival-card {
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .newsletter-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .newsletter-form {
    grid-column: 1 / -1;
  }
}

/* =========================================================
   19. MOBILE RESPONSIVE
   ========================================================= */

@media (max-width: 800px) {
  :root {
    --header-height: 72px;
  }

  .container {
    width: min(
      calc(100% - 1.5rem),
      var(--container-width)
    );
  }

  .section {
    padding-block: var(--space-16);
  }

  .site-header {
    background: rgba(248, 247, 243, 0.9);
  }

  .desktop-nav,
  .account-button {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .hero-section {
    padding-block: var(--space-12);
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .hero-content {
    text-align: center;
  }

  .eyebrow {
    justify-content: center;
  }

  .hero-content h1 {
    max-width: 650px;
    margin-inline: auto;
    font-size: clamp(2.8rem, 10vw, 4.4rem);
  }

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

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

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

  .hero-visual {
    min-height: 500px;
    transform: scale(0.82);
    margin-block: -35px;
  }

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

  .stat-item:nth-child(2) {
    border-right: 0;
  }

  .stat-item:nth-child(3) {
    border-left: 1px solid var(--color-border);
    border-top: 1px solid var(--color-border);
  }

  .stat-item:nth-child(4) {
    border-top: 1px solid var(--color-border);
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-4);
  }

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

  .category-card {
    min-height: 230px;
    padding: var(--space-5);
  }

  .category-content {
    margin-top: var(--space-8);
  }

  .category-arrow {
    top: var(--space-5);
    right: var(--space-5);
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .product-image {
    min-height: 270px;
  }

  .product-book {
    width: 135px;
    height: 200px;
  }

  .product-book-title {
    font-size: 1.3rem;
  }

  .product-info {
    padding: var(--space-4);
  }

  .product-info h3 {
    font-size: 1.15rem;
  }

  .editorial-card {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding: var(--space-8);
  }

  .editorial-art {
    min-height: 360px;
  }

  .newsletter-card {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .newsletter-form {
    grid-column: auto;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-8);
  }

  .footer-brand-column {
    grid-column: 1 / -1;
    max-width: 500px;
  }
}

/* =========================================================
   20. SMALL MOBILE
   ========================================================= */

@media (max-width: 520px) {
  .brand-text {
    font-size: 1.45rem;
  }

  .brand-icon {
    width: 34px;
    height: 34px;
    font-size: 0.85rem;
  }

  .nav-actions {
    gap: 0;
  }

  .icon-button,
  .cart-button,
  .theme-toggle,
  .mobile-menu summary {
    width: 36px;
    height: 36px;
  }

  .hero-content h1 {
    font-size: clamp(2.5rem, 12vw, 3.7rem);
  }

  .hero-description {
    font-size: 0.95rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

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

  .hero-visual {
    min-height: 390px;
    transform: scale(0.66);
    margin-block: -90px;
    margin-inline: -90px;
  }

  .floating-label {
    font-size: 0.62rem;
  }

  .label-top {
    right: -15px;
  }

  .label-bottom {
    left: -20px;
  }

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

  .category-card {
    min-height: 190px;
  }

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

  .product-image {
    min-height: 320px;
  }

  .product-book {
    width: 160px;
    height: 235px;
  }

  .product-book-title {
    font-size: 1.55rem;
  }

  .arrival-card {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: var(--space-4);
  }

  .arrival-cover {
    min-height: 175px;
  }

  .arrival-cover span {
    font-size: 1.1rem;
  }

  .arrival-info h3 {
    font-size: 1.15rem;
  }

  .newsletter-form {
    align-items: stretch;
    flex-direction: column;
    border-radius: var(--radius-lg);
    padding: var(--space-2);
  }

  .newsletter-form input {
    width: 100%;
    min-height: 44px;
  }

  .newsletter-form .button {
    width: 100%;
  }

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

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

/* =========================================================
   21. REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}