/* =====================================================
   THE LIBRARY - Main Styles
   ===================================================== */

/* ===================
   RESET & BASE
   =================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: var(--weight-regular);
  line-height: var(--leading-relaxed);
  color: var(--color-cream);
  background-color: var(--color-midnight);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Hide scrollbar during book animation */
body.no-scroll {
  overflow: hidden;
}

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

a {
  color: var(--color-copper);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
}

a:hover {
  color: var(--color-copper-light);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===================
   TYPOGRAPHY
   =================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-regular);
  line-height: var(--leading-tight);
  color: var(--color-cream);
}

h1 {
  font-size: var(--text-hero);
  letter-spacing: var(--tracking-wide);
}

h2 {
  font-size: var(--text-5xl);
  letter-spacing: var(--tracking-wide);
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

p {
  margin-bottom: var(--space-4);
}

.text-accent {
  font-family: var(--font-accent);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
}

.text-copper {
  color: var(--color-copper);
}

.text-gold {
  color: var(--color-gold);
}

.text-muted {
  color: var(--color-parchment);
}

/* ===================
   LAYOUT UTILITIES
   =================== */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

.section--dark {
  background-color: var(--color-leather);
}

/* ===================
   ART DECO DECORATIONS
   =================== */

.deco-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.deco-line::before,
.deco-line::after {
  content: '';
  flex: 1;
  max-width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-copper), transparent);
}

.deco-diamond {
  width: 10px;
  height: 10px;
  background-color: var(--color-copper);
  transform: rotate(45deg);
}

.deco-border {
  border: 1px solid var(--color-copper);
  border-image: linear-gradient(135deg, var(--color-copper), var(--color-gold), var(--color-copper)) 1;
}

.deco-corner {
  position: relative;
}

.deco-corner::before,
.deco-corner::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
  border-color: var(--color-copper);
  border-style: solid;
}

.deco-corner::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.deco-corner::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

/* ===================
   BOOK ANIMATION
   =================== */

.book-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: var(--z-book, 2000);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0a0a;
  background: radial-gradient(ellipse at center, #1a1714 0%, #0a0a0a 100%);
  perspective: 2000px;
}

.book-container.hidden {
  display: none;
}

.book {
  position: relative;
  width: 340px;
  height: 480px;
  transform-style: preserve-3d;
  cursor: pointer;
  transition: transform var(--duration-slow) var(--ease-out);
}

.book:hover {
  transform: scale(1.02);
}

.book-cover {
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2a1f1a 0%, #1a1310 50%, #2a1f1a 100%);
  border-radius: 0 8px 8px 0;
  box-shadow:
    inset 0 0 30px rgba(0,0,0,0.5),
    0 0 20px rgba(0,0,0,0.8),
    5px 5px 20px rgba(0,0,0,0.5);
  transform-origin: left center;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  border: 1px solid rgba(184, 115, 51, 0.3);
  z-index: 10;
}

.book-cover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23b87333' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
}

.book-spine {
  position: absolute;
  left: -20px;
  width: 20px;
  height: 100%;
  background: linear-gradient(90deg, #1a1310 0%, #2a1f1a 50%, #1a1310 100%);
  transform: rotateY(-90deg);
  transform-origin: right center;
  border-radius: 4px 0 0 4px;
}

.book-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  color: var(--color-gold);
  text-align: center;
  letter-spacing: var(--tracking-wider);
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
  margin-bottom: var(--space-2);
  position: relative;
  z-index: 1;
}

.book-subtitle {
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  color: var(--color-copper);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

.book-ornament {
  margin: var(--space-6) 0;
  width: 80%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-copper), var(--color-gold), var(--color-copper), transparent);
  position: relative;
  z-index: 1;
}

.book-instruction {
  position: absolute;
  bottom: var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-parchment);
  font-style: italic;
  opacity: 0.8;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.book-page {
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, #e8e0d0 0%, #f5f0e6 10%, #f5f0e6 100%);
  border-radius: 0 6px 6px 0;
  transform-origin: left center;
  box-shadow: inset 5px 0 20px rgba(0,0,0,0.1);
}

.book-page--1 { z-index: 5; }
.book-page--2 { z-index: 4; }
.book-page--3 { z-index: 3; }

/* ===================
   SITE NAVIGATION
   =================== */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: background var(--duration-normal) var(--ease-default),
              box-shadow var(--duration-normal) var(--ease-default);
}

.site-nav.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: 0 1px 0 rgba(184, 115, 51, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-nav-brand {
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  color: var(--color-gold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  text-decoration: none;
}

.site-nav-brand:hover {
  color: var(--color-gold);
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.site-nav-links a {
  font-family: var(--font-accent);
  font-size: var(--text-xs);
  color: var(--color-parchment);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--duration-fast);
}

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

.site-nav-links .nav-cta {
  color: var(--color-copper);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-copper);
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.site-nav-links .nav-cta:hover {
  background: var(--color-copper);
  color: var(--color-cream);
}

/* Static nav variant for blog/inner pages (always has background) */
.site-nav--static {
  position: relative;
  background: var(--color-midnight);
  border-bottom: 1px solid rgba(184, 115, 51, 0.2);
}

/* Nav responsive */
@media (max-width: 480px) {
  .site-nav {
    padding: var(--space-3) var(--space-4);
  }
  .site-nav-links {
    gap: var(--space-3);
  }
  .site-nav-links a {
    font-size: 0.65rem;
  }
  .site-nav-links .nav-cta {
    padding: var(--space-1) var(--space-2);
  }
}

/* ===================
   MAIN CONTENT
   =================== */

.main-content {
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.main-content.visible {
  opacity: 1;
  visibility: visible;
}

/* ===================
   HERO SECTION
   =================== */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at center bottom, var(--color-leather) 0%, var(--color-midnight) 70%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M50 0L60 40H100L68 65L80 100L50 78L20 100L32 65L0 40H40L50 0Z' fill='%23b87333' fill-opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: var(--text-hero);
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-gold) 50%, var(--color-cream) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-family: var(--font-accent);
  font-size: var(--text-lg);
  color: var(--color-copper);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  margin-bottom: var(--space-8);
}

.hero-description {
  font-size: var(--text-xl);
  color: var(--color-parchment);
  max-width: 600px;
  margin: 0 auto;
}

.hero-cta-btn {
  display: inline-block;
  margin-top: var(--space-8);
  padding: var(--space-4) var(--space-10);
  background: linear-gradient(135deg, var(--color-copper) 0%, var(--color-copper-dark) 100%);
  color: var(--color-cream);
  font-family: var(--font-accent);
  font-size: var(--text-base);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: transform var(--duration-fast), box-shadow var(--duration-fast);
}

.hero-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  color: var(--color-cream);
}

/* Candle flicker effect */
.candle-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
  animation: flicker 3s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes flicker {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  25% { opacity: 0.6; transform: scale(1.02); }
  50% { opacity: 0.4; transform: scale(0.98); }
  75% { opacity: 0.7; transform: scale(1.01); }
}

/* ===================
   ABOUT SECTION
   =================== */

.about {
  text-align: center;
}

.about-text {
  max-width: 800px;
  margin: 0 auto;
  font-size: var(--text-xl);
  line-height: var(--leading-loose);
}

.about-text p {
  margin-bottom: var(--space-6);
}

/* ===================
   COMING SOON SECTION
   =================== */

.coming-soon-section {
  text-align: center;
}

.coming-soon-tease {
  max-width: 700px;
  margin: 0 auto var(--space-12);
  font-size: var(--text-xl);
  line-height: var(--leading-loose);
}

.coming-soon-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  padding: var(--space-8);
  background: var(--color-charcoal);
  border: 1px solid rgba(184, 115, 51, 0.2);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-normal) var(--ease-default),
              transform var(--duration-normal) var(--ease-default);
}

.feature-card:hover {
  border-color: var(--color-copper);
  transform: translateY(-4px);
}

.feature-card .feature-icon {
  display: block;
  font-size: var(--text-3xl);
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.feature-card h3 {
  font-family: var(--font-accent);
  font-size: var(--text-lg);
  color: var(--color-copper);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.feature-card p {
  color: var(--color-parchment);
  font-size: var(--text-base);
}

/* ===================
   SIGNUP SECTION
   =================== */

.signup-section {
  text-align: center;
  background: radial-gradient(ellipse at center, var(--color-leather) 0%, var(--color-midnight) 70%);
}

.signup-description {
  max-width: 600px;
  margin: 0 auto var(--space-8);
  color: var(--color-parchment);
  font-size: var(--text-xl);
}

.inline-signup-form {
  max-width: 480px;
  margin: 0 auto;
}

.signup-fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.signup-input {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-midnight);
  border: 1px solid var(--color-copper);
  border-radius: var(--radius-md);
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.signup-input::placeholder {
  color: var(--color-muted);
}

.signup-input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: var(--shadow-glow);
}

.signup-input.error {
  border-color: #c0392b;
}

.signup-privacy {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-top: var(--space-3);
}

.signup-success {
  padding: var(--space-8) 0;
}

/* ===================
   MENU SECTIONS
   =================== */

.menu-section {
  text-align: center;
}

.menu-section h2 {
  margin-bottom: var(--space-4);
}

.menu-intro {
  color: var(--color-parchment);
  font-style: italic;
  margin-bottom: var(--space-12);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
  max-width: 1000px;
  margin: 0 auto;
}

.menu-category {
  margin-bottom: var(--space-12);
}

.menu-category h3 {
  color: var(--color-copper);
  margin-bottom: var(--space-6);
  font-family: var(--font-accent);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  font-size: var(--text-xl);
}

.menu-item {
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(184, 115, 51, 0.2);
}

.menu-item:last-child {
  border-bottom: none;
}

.menu-item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-2);
}

.menu-item-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-cream);
}

.menu-item-price {
  font-family: var(--font-accent);
  font-size: var(--text-base);
  color: var(--color-gold);
}

.menu-item-description {
  font-size: var(--text-base);
  color: var(--color-parchment);
  font-style: italic;
  text-align: left;
}

/* ===================
   BOOKSHELF / LOCATION
   =================== */

.bookshelf-section {
  text-align: center;
  padding: var(--space-16) 0;
}

.bookshelf-hint {
  font-style: italic;
  color: var(--color-parchment);
  margin-bottom: var(--space-12);
  font-size: var(--text-xl);
}

.bookshelf {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 4px;
  padding: var(--space-8);
  background: linear-gradient(180deg, transparent 0%, rgba(26, 23, 20, 0.8) 100%);
  border-radius: var(--radius-lg);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.bookshelf::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 15px;
  background: linear-gradient(90deg, #1a1310 0%, #3a2a20 50%, #1a1310 100%);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

.book-spine-shelf {
  width: 35px;
  border-radius: 2px 2px 0 0;
  cursor: default;
  transition: transform var(--duration-fast) var(--ease-out);
  position: relative;
  box-shadow:
    inset -3px 0 5px rgba(0,0,0,0.3),
    inset 3px 0 5px rgba(255,255,255,0.05);
}

.book-spine-shelf:nth-child(1) { height: 160px; background: linear-gradient(90deg, #4a3728, #5a4738); }
.book-spine-shelf:nth-child(2) { height: 175px; background: linear-gradient(90deg, #2a3a4a, #3a4a5a); }
.book-spine-shelf:nth-child(3) { height: 155px; background: linear-gradient(90deg, #5a2a2a, #6a3a3a); }
.book-spine-shelf:nth-child(4) { height: 180px; background: linear-gradient(90deg, #3a4a3a, #4a5a4a); }
.book-spine-shelf:nth-child(5) { height: 165px; background: linear-gradient(90deg, #4a4a3a, #5a5a4a); }
.book-spine-shelf:nth-child(6) { height: 170px; background: linear-gradient(90deg, #3a3a4a, #4a4a5a); }

/* The Secret Book */
.book-spine-shelf.secret-book {
  height: 172px;
  background: linear-gradient(90deg, #6a4a2a, var(--color-copper-dark));
  cursor: pointer;
  transform: rotate(-2deg) translateY(-3px);
  box-shadow:
    inset -3px 0 5px rgba(0,0,0,0.3),
    inset 3px 0 5px rgba(255,255,255,0.1),
    0 0 0 1px rgba(184, 115, 51, 0.3);
}

.book-spine-shelf.secret-book:hover {
  transform: rotate(-2deg) translateY(-15px);
  box-shadow:
    inset -3px 0 5px rgba(0,0,0,0.3),
    inset 3px 0 5px rgba(255,255,255,0.1),
    0 0 15px rgba(184, 115, 51, 0.4);
}

.book-spine-shelf.secret-book::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(90deg);
  width: 60%;
  height: 2px;
  background: var(--color-gold);
  opacity: 0.6;
}

.book-spine-shelf:nth-child(8) { height: 158px; background: linear-gradient(90deg, #4a3a4a, #5a4a5a); }
.book-spine-shelf:nth-child(9) { height: 175px; background: linear-gradient(90deg, #3a4a4a, #4a5a5a); }
.book-spine-shelf:nth-child(10) { height: 162px; background: linear-gradient(90deg, #5a4a3a, #6a5a4a); }
.book-spine-shelf:nth-child(11) { height: 178px; background: linear-gradient(90deg, #2a3a3a, #3a4a4a); }

/* Location Reveal */
.location-reveal {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out),
              padding var(--duration-slow) var(--ease-out),
              opacity var(--duration-slow) var(--ease-out);
  opacity: 0;
  text-align: center;
}

.location-reveal.revealed {
  max-height: 300px;
  padding: var(--space-12) 0 0;
  opacity: 1;
}

.location-reveal h3 {
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.location-address {
  font-size: var(--text-xl);
  color: var(--color-cream);
  margin-bottom: var(--space-2);
}

.location-city {
  font-size: var(--text-lg);
  color: var(--color-parchment);
}

.location-note {
  margin-top: var(--space-6);
  font-style: italic;
  color: var(--color-muted);
  font-size: var(--text-base);
}

/* ===================
   MODAL
   =================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-overlay-heavy);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out),
              visibility var(--duration-normal) var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: linear-gradient(135deg, var(--color-leather) 0%, var(--color-charcoal) 100%);
  border: 1px solid var(--color-copper);
  border-radius: var(--radius-lg);
  padding: var(--space-12);
  max-width: 480px;
  width: 100%;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--duration-normal) var(--ease-out);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.modal-backdrop.active .modal {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-parchment);
  font-size: var(--text-2xl);
  transition: color var(--duration-fast);
  background: none;
  border: none;
}

.modal-close:hover {
  color: var(--color-copper);
}

.modal h2 {
  text-align: center;
  margin-bottom: var(--space-4);
  color: var(--color-gold);
}

.modal-text {
  text-align: center;
  color: var(--color-parchment);
  margin-bottom: var(--space-8);
}

.email-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.email-input {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-midnight);
  border: 1px solid var(--color-copper);
  border-radius: var(--radius-md);
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.email-input::placeholder {
  color: var(--color-muted);
}

.email-input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: var(--shadow-glow);
}

.email-input.error {
  border-color: #c0392b;
}

.submit-btn {
  width: 100%;
  padding: var(--space-4) var(--space-6);
  background: linear-gradient(135deg, var(--color-copper) 0%, var(--color-copper-dark) 100%);
  color: var(--color-cream);
  font-family: var(--font-accent);
  font-size: var(--text-base);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--duration-fast), box-shadow var(--duration-fast);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.submit-btn:active {
  transform: translateY(0);
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.form-success {
  text-align: center;
  color: var(--color-gold);
  display: none;
}

.form-success.show {
  display: block;
}

.email-form.hidden {
  display: none;
}

/* ===================
   FOOTER
   =================== */

.footer {
  text-align: center;
  padding: var(--space-12) 0;
  background: var(--color-midnight);
  border-top: 1px solid rgba(184, 115, 51, 0.2);
}

.footer-tagline {
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  color: var(--color-copper);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.footer-nav a {
  color: var(--color-parchment);
  font-size: var(--text-sm);
  font-family: var(--font-accent);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.footer-nav a:hover {
  color: var(--color-copper);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.social-links a {
  color: var(--color-parchment);
  font-size: var(--text-xl);
  transition: color var(--duration-fast), transform var(--duration-fast);
}

.social-links a:hover {
  color: var(--color-copper);
  transform: translateY(-2px);
}

.copyright {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* ===================
   RESPONSIVE
   =================== */

@media (max-width: 768px) {
  .section {
    padding: var(--space-16) 0;
  }

  .container {
    padding: 0 var(--space-4);
  }

  .book {
    width: 280px;
    height: 400px;
  }

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

  .coming-soon-features {
    grid-template-columns: 1fr;
  }

  .bookshelf {
    gap: 3px;
    padding: var(--space-4);
  }

  .book-spine-shelf {
    width: 25px;
  }

  .modal {
    padding: var(--space-8);
  }
}

@media (max-width: 480px) {
  .book {
    width: 240px;
    height: 340px;
  }

  .book-title {
    font-size: var(--text-2xl);
  }

  .deco-line::before,
  .deco-line::after {
    max-width: 100px;
  }
}