/* ========================================================================
   PABLO MUÑOZ MORCILLO — Author Website
   Design System & Styles
   ======================================================================== */

/* ── Google Fonts ──────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,500;1,600&family=Source+Serif+4:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500&family=Inter:wght@300;400;500;600&display=swap');

/* ── CSS Custom Properties (Design Tokens) ─────────────────────────── */
:root {
  /* Color Palette — Dark Fantasy */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #0f0f1a;
  --color-bg-tertiary: #141425;
  --color-bg-card: rgba(20, 20, 40, 0.6);
  --color-bg-glass: rgba(15, 15, 30, 0.65);

  --color-crimson: #c41e3a;
  --color-crimson-light: #e63946;
  --color-crimson-dark: #8b1528;
  --color-crimson-glow: rgba(196, 30, 58, 0.3);

  --color-gold: #c9a84c;
  --color-gold-light: #e4c76b;
  --color-gold-dark: #8a6f2f;
  --color-gold-glow: rgba(201, 168, 76, 0.25);

  --color-text-primary: #e8e4dc;
  --color-text-secondary: #a8a4a0;
  --color-text-muted: #6e6a66;
  --color-text-accent: var(--color-gold);

  --color-border: rgba(201, 168, 76, 0.15);
  --color-border-hover: rgba(201, 168, 76, 0.35);

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Serif 4', 'Georgia', serif;
  --font-ui: 'Inter', sans-serif;

  --fs-hero: clamp(3rem, 8vw, 7rem);
  --fs-hero-sub: clamp(1.2rem, 3vw, 2.2rem);
  --fs-h1: clamp(2rem, 5vw, 3.5rem);
  --fs-h2: clamp(1.5rem, 3.5vw, 2.5rem);
  --fs-h3: clamp(1.2rem, 2.5vw, 1.8rem);
  --fs-body: clamp(1rem, 1.5vw, 1.2rem);
  --fs-body-lg: clamp(1.1rem, 1.8vw, 1.4rem);
  --fs-small: clamp(0.85rem, 1.2vw, 0.95rem);
  --fs-nav: 0.85rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 10rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow-crimson: 0 0 30px var(--color-crimson-glow);
  --shadow-glow-gold: 0 0 30px var(--color-gold-glow);

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--color-gold-dark) var(--color-bg-primary);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

/* Custom Scrollbar (webkit) */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--color-gold-dark);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold);
}

/* ── Utility Classes ─────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section-padding {
  padding-block: var(--space-3xl);
}

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

/* ── Animated Background Particles ────────────────────────────────── */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── Navigation ──────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: all var(--transition-base);
}

.nav--scrolled {
  background: var(--color-bg-glass);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-xs) 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.nav__logo span {
  color: var(--color-crimson);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav__link {
  font-family: var(--font-ui);
  font-size: var(--fs-nav);
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}

.nav__link:hover {
  color: var(--color-gold);
}

.nav__link:hover::after {
  width: 100%;
}

/* Mobile burger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  z-index: 1001;
}

.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-gold);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.nav__burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav__burger.active span:nth-child(2) {
  opacity: 0;
}
.nav__burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Hero Section ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: brightness(0.25) saturate(0.8);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 10, 15, 0.4) 0%,
    rgba(10, 10, 15, 0.2) 40%,
    rgba(10, 10, 15, 0.6) 70%,
    rgba(10, 10, 15, 1) 100%
  );
  z-index: 1;
}

.hero__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    transparent 40%,
    rgba(10, 10, 15, 0.8) 100%
  );
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding-inline: var(--space-md);
  max-width: 900px;
}

.hero__badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid var(--color-gold-dark);
  padding: var(--space-xs) var(--space-md);
  border-radius: 2px;
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.3s;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: var(--fs-hero);
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1.05;
  margin-bottom: var(--space-md);
  letter-spacing: 0.02em;
  opacity: 0;
  animation: fadeInUp 1s ease forwards 0.6s;
}

.hero__title .highlight {
  color: var(--color-crimson-light);
  text-shadow: 0 0 40px var(--color-crimson-glow);
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: var(--fs-hero-sub);
  font-weight: 300;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fadeInUp 1s ease forwards 0.9s;
}

.hero__cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 1s ease forwards 1.2s;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  opacity: 0;
  animation: fadeIn 1s ease forwards 2s;
}

.hero__scroll-indicator span {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-ui);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255,255,255, 0.1) 0%,
    transparent 50%
  );
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-crimson), var(--color-crimson-dark));
  color: #fff;
  box-shadow: var(--shadow-glow-crimson);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px var(--color-crimson-glow);
  color: #fff;
}

.btn--secondary {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold-dark);
}

.btn--secondary:hover {
  background: rgba(201, 168, 76, 0.1);
  border-color: var(--color-gold);
  transform: translateY(-2px);
  color: var(--color-gold-light);
}

/* ── Section Headers ─────────────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header__label {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.section-header__title {
  font-family: var(--font-heading);
  font-size: var(--fs-h1);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section-header__divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  margin: var(--space-md) auto;
}

.section-header__description {
  font-size: var(--fs-body-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-inline: auto;
  font-style: italic;
}

/* ── Books Section ───────────────────────────────────────────────────── */
.books {
  position: relative;
  z-index: 1;
  background: var(--color-bg-secondary);
}

.books__grid {
  display: grid;
  gap: var(--space-2xl);
}

.book-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: center;
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.book-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold-dark), transparent);
}

.book-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-gold);
}

.book-card:nth-child(even) {
  grid-template-columns: 1.2fr 1fr;
}

.book-card:nth-child(even) .book-card__image {
  order: 2;
}

.book-card__image {
  position: relative;
  perspective: 1000px;
}

.book-card__image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  transition: transform var(--transition-slow);
}

.book-card:hover .book-card__image-wrapper {
  transform: rotateY(-5deg) scale(1.02);
}

.book-card__image-wrapper img {
  max-height: 450px;
  width: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  object-fit: contain;
}

.book-card__image-glow {
  position: absolute;
  inset: 10%;
  background: radial-gradient(ellipse, var(--color-crimson-glow), transparent 70%);
  filter: blur(30px);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.book-card:hover .book-card__image-glow {
  opacity: 1;
}

.book-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.book-card__tag {
  display: inline-flex;
  align-self: flex-start;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-crimson-light);
  border: 1px solid rgba(196, 30, 58, 0.3);
  padding: 4px 14px;
  border-radius: 2px;
}

.book-card__title {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.book-card__subtitle {
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  color: var(--color-gold);
  font-style: italic;
}

.book-card__description {
  color: var(--color-text-secondary);
  font-size: var(--fs-body-lg);
  line-height: 1.8;
}

.book-card__meta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.book-card__meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.book-card__meta-item svg {
  width: 16px;
  height: 16px;
  fill: var(--color-gold-dark);
}

.book-card__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

/* ── About / Author Section ──────────────────────────────────────────── */
.about {
  position: relative;
  z-index: 1;
  background: var(--color-bg-primary);
  overflow: hidden;
}

.about__bg-accent {
  position: absolute;
  top: 20%;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-crimson-glow), transparent 70%);
  filter: blur(80px);
  opacity: 0.3;
  pointer-events: none;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about__image-col {
  position: relative;
}

.about__image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.about__image-frame img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.95);
  transition: all var(--transition-slow);
}

.about__image-frame:hover img {
  filter: saturate(1) brightness(1);
  transform: scale(1.03);
}

.about__image-ornament {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  border: 1px solid var(--color-gold-dark);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.about__label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.about__name {
  font-family: var(--font-heading);
  font-size: var(--fs-h1);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.about__divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-crimson), var(--color-gold));
}

.about__bio {
  color: var(--color-text-secondary);
  font-size: var(--fs-body-lg);
  line-height: 1.9;
}

.about__bio p + p {
  margin-top: var(--space-sm);
}

.about__details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.about__detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.about__detail-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.about__detail-value {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--color-gold);
}

/* ── Gallery / World Section ─────────────────────────────────────────── */
.gallery {
  position: relative;
  z-index: 1;
  background: var(--color-bg-secondary);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: var(--space-md);
}

.gallery__item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.gallery__item:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.gallery__item--wide {
  grid-column: span 2;
}

.gallery__item--tall {
  grid-row: span 2;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery__item:hover img {
  transform: scale(1.08);
}

.gallery__item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 10, 15, 0.9) 0%,
    transparent 60%
  );
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery__item:hover .gallery__item-overlay {
  opacity: 1;
}

.gallery__item-caption {
  font-family: var(--font-heading);
  font-size: var(--fs-body);
  color: var(--color-text-primary);
  font-weight: 500;
}

/* ── Lightbox ────────────────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.lightbox img {
  max-width: 85vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

/* ── Quote / Testimonial Section ─────────────────────────────────────── */
.quote-section {
  position: relative;
  z-index: 1;
  background: var(--color-bg-primary);
  text-align: center;
}

.quote-section__bg {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  pointer-events: none;
}

.quote-section__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quote__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin-inline: auto;
}

.quote__icon {
  font-size: 4rem;
  color: var(--color-crimson-dark);
  line-height: 1;
  margin-bottom: var(--space-md);
  font-family: Georgia, serif;
}

.quote__text {
  font-family: var(--font-body);
  font-size: var(--fs-h2);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-primary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.quote__author {
  font-family: var(--font-ui);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
}

/* ── Contact / CTA Section ───────────────────────────────────────────── */
.contact {
  position: relative;
  z-index: 1;
  background: var(--color-bg-secondary);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact__info-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: 700;
  color: var(--color-text-primary);
}

.contact__info-text {
  font-size: var(--fs-body-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.contact__social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.contact__social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.contact__social-link:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-gold);
}

.contact__social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text-primary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ── Footer ──────────────────────────────────────────────────────────── */
.footer {
  position: relative;
  z-index: 1;
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer__copyright {
  font-family: var(--font-ui);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.footer__back-to-top {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-gold);
  cursor: pointer;
  transition: all var(--transition-base);
}

.footer__back-to-top:hover {
  border-color: var(--color-gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-gold);
}

/* ── Scroll-driven reveal animations ─────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* Native scroll-driven animations (progressive enhancement) */
@supports ((animation-timeline: view()) and (animation-range: entry)) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
    animation: revealOnScroll ease both;
    animation-timeline: view();
    animation-range: entry 0% entry 35%;
  }

  @keyframes revealOnScroll {
    from {
      opacity: 0;
      transform: translateY(40px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* ── Keyframe Animations ─────────────────────────────────────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scrollPulse {
  0%, 100% {
    opacity: 1;
    transform: scaleY(1);
  }
  50% {
    opacity: 0.3;
    transform: scaleY(0.5);
    transform-origin: top;
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ── Decorative Elements ─────────────────────────────────────────────── */
.ornament-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-gold-dark) 20%,
    var(--color-crimson-dark) 50%,
    var(--color-gold-dark) 80%,
    transparent
  );
  margin: var(--space-lg) 0;
}

/* ── Mobile Menu Overlay ──────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--color-bg-glass);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.mobile-menu__link {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--color-gold);
}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .book-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .book-card:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .book-card:nth-child(even) .book-card__image {
    order: unset;
  }

  .book-card__tag {
    align-self: center;
  }

  .book-card__actions {
    justify-content: center;
  }

  .about__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about__image-col {
    max-width: 400px;
    margin-inline: auto;
  }

  .about__details {
    justify-items: center;
  }

  .about__divider {
    margin-inline: auto;
  }

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

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

  .gallery__item--wide {
    grid-column: span 1;
  }

  .gallery__item--tall {
    grid-row: span 1;
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__burger {
    display: flex;
  }

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

  .book-card {
    padding: var(--space-md);
  }

  .book-card__image-wrapper img {
    max-height: 350px;
  }

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

  .contact__grid {
    gap: var(--space-xl);
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: clamp(2.2rem, 10vw, 3.5rem);
  }

  .section-padding {
    padding-block: var(--space-2xl);
  }
}

/* ── Prefers Reduced Motion ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}