/* =====================================================
   СЮРША — ДИЗАЙН-ТОКЕНЫ И СТИЛИ
   Палитра: ночь, бронза/охра, молочный белый
   ===================================================== */

@import url('https://api.fontshare.com/v2/css?f[]=boska@400,500,700&f[]=satoshi@300,400,500,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;1,400&display=swap');

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3.5rem, 1.5rem + 6vw, 7rem);

  /* 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;
  --space-32: 8rem;

  /* Fonts */
  --font-display: 'Boska', 'Playfair Display', Georgia, serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;

  /* Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 220ms var(--ease-spring);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* DARK PALETTE (основная — сайт тёмный по умолчанию) */
  --color-bg: #0f0e0c;
  --color-surface: #161411;
  --color-surface-2: #1c1916;
  --color-surface-offset: #242018;
  --color-border: #2d2820;
  --color-divider: #231f18;

  --color-text: #f0ead8;
  --color-text-muted: #9b9181;
  --color-text-faint: #5c5448;
  --color-text-inverse: #0f0e0c;

  /* Бронза/охра — главный акцент */
  --color-accent: #c89a52;
  --color-accent-hover: #e0b56a;
  --color-accent-active: #a07a38;
  --color-accent-dim: rgba(200, 154, 82, 0.15);
  --color-accent-glow: rgba(200, 154, 82, 0.25);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.7);
  --shadow-accent: 0 4px 24px rgba(200, 154, 82, 0.25);
}

/* LIGHT MODE */
[data-theme='light'] {
  --color-bg: #f5f0e8;
  --color-surface: #ede6d8;
  --color-surface-2: #e4dbca;
  --color-surface-offset: #d8cfbc;
  --color-border: #c8bfaa;
  --color-divider: #d0c9b8;
  --color-text: #1a1610;
  --color-text-muted: #5a5242;
  --color-text-faint: #9a9082;
  --color-text-inverse: #f5f0e8;
  --color-accent: #9a7330;
  --color-accent-hover: #b88a40;
  --color-accent-active: #7a5820;
  --color-accent-dim: rgba(154, 115, 48, 0.12);
  --color-accent-glow: rgba(154, 115, 48, 0.2);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.15);
  --shadow-accent: 0 4px 24px rgba(154, 115, 48, 0.2);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #0f0e0c;
    --color-surface: #161411;
    --color-surface-2: #1c1916;
    --color-surface-offset: #242018;
    --color-border: #2d2820;
    --color-divider: #231f18;
    --color-text: #f0ead8;
    --color-text-muted: #9b9181;
    --color-text-faint: #5c5448;
    --color-text-inverse: #0f0e0c;
    --color-accent: #c89a52;
    --color-accent-hover: #e0b56a;
    --color-accent-active: #a07a38;
    --color-accent-dim: rgba(200, 154, 82, 0.15);
    --color-accent-glow: rgba(200, 154, 82, 0.25);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.7);
    --shadow-accent: 0 4px 24px rgba(200, 154, 82, 0.25);
  }
}

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

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

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

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

/* =====================================================
   HEADER / NAV
   ===================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: var(--space-4);
  background: color-mix(in oklab, var(--color-bg) 80%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.site-header.scrolled {
  border-bottom-color: var(--color-border);
  background: color-mix(in oklab, var(--color-bg) 92%, transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.logo-mark {
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-accent);
  line-height: 1;
}

.logo-sub {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  margin-top: 2px;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.theme-toggle:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-dim);
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-nav:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--color-text);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

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

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(15, 14, 12, 0.55) 0%,
    rgba(15, 14, 12, 0.35) 40%,
    rgba(15, 14, 12, 0.75) 80%,
    rgba(15, 14, 12, 0.98) 100%
  );
}

[data-theme='light'] .hero-bg::after {
  background: linear-gradient(
    to bottom,
    rgba(15, 14, 12, 0.6) 0%,
    rgba(15, 14, 12, 0.45) 40%,
    rgba(15, 14, 12, 0.8) 80%,
    #f5f0e8 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--color-accent);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: var(--space-3);
}

/* СюрША — весь заголовок */
.hero-title-normal {
  color: #ffffff;
  display: inline;
}

.hero-title-flag {
  display: inline;
  background: repeating-linear-gradient(
    to bottom,
    #B22234 0%, #B22234 14.28%,
    #ffffff 14.28%, #ffffff 28.56%,
    #B22234 28.56%, #B22234 42.84%,
    #ffffff 42.84%, #ffffff 57.12%,
    #B22234 57.12%, #B22234 71.4%,
    #ffffff 71.4%, #ffffff 85.68%,
    #B22234 85.68%, #B22234 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  background-size: 100% 100%;
}

.hero-subtitle-line {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 0.8rem + 2vw, 2.5rem);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-muted);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-8);
}

.hero-lead {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: rgba(240, 234, 216, 0.8);
  max-width: 56ch;
  line-height: 1.65;
  margin-bottom: var(--space-10);
}

[data-theme='light'] .hero-lead {
  color: rgba(240, 234, 216, 0.85);
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: #0f0e0c;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(200, 154, 82, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  background: transparent;
  border: 1px solid rgba(240, 234, 216, 0.3);
  color: rgba(240, 234, 216, 0.85);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(240, 234, 216, 0.4);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-body);
  z-index: 1;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* =====================================================
   BOOK SECTION (O ČЁME KNIGA)
   ===================================================== */

.section-about {
  background: var(--color-bg);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-accent);
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-8);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: start;
}

.about-cover {
  position: sticky;
  top: 100px;
}

.cover-wrapper {
  position: relative;
  display: inline-block;
  max-width: 340px;
}

.cover-wrapper img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(200, 154, 82, 0.12);
}

.cover-badge {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2, #2d2820);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about-text p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 65ch;
}

.about-text p:first-child {
  font-size: var(--text-lg);
  color: var(--color-text);
  font-weight: 400;
  line-height: 1.65;
}

.about-places {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.place-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-accent-dim);
  border: 1px solid color-mix(in oklab, var(--color-accent) 30%, transparent);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* =====================================================
   QUOTES
   ===================================================== */

.section-quotes {
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
}

.section-quotes::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.4;
}

.section-quotes::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.4;
}

/* Slider */
.quotes-slider-wrapper {
  position: relative;
  overflow: hidden;
}

.quotes-slider {
  display: flex;
  transition: transform 500ms var(--ease-spring);
  will-change: transform;
}

.quote-card {
  flex: 0 0 100%;
  min-width: 0;
  padding: clamp(var(--space-10), 5vw, var(--space-16)) clamp(var(--space-8), 4vw, var(--space-12));
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
}

.quote-mark {
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 0.6;
  color: var(--color-accent);
  opacity: 0.6;
  font-weight: 700;
}

.quote-text {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 0.8rem + 2vw, 2rem);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.45;
  max-width: 700px;
  font-style: italic;
}

.quote-author {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
}

.slider-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

.slider-dots {
  display: flex;
  gap: var(--space-2);
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  cursor: pointer;
  transition: background var(--transition), width var(--transition);
  border: none;
}

.slider-dot.active {
  background: var(--color-accent);
  width: 24px;
}

/* =====================================================
   ROUTE (MARSHRUT)
   ===================================================== */

.section-route {
  background: var(--color-bg);
}

.route-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-1);
  margin-top: var(--space-10);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.route-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
  transition: background var(--transition);
}

.route-item:hover {
  background: var(--color-surface);
}

.route-item:nth-last-child(-n+2) {
  border-bottom: none;
}

.route-number {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.7;
  min-width: 24px;
  letter-spacing: 0.05em;
}

.route-name {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.4;
}

/* =====================================================
   BUY BLOCK
   ===================================================== */

.section-buy {
  background: var(--color-surface);
  text-align: center;
}

.buy-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.buy-subtext {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
}

.buy-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.btn-store {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  background: var(--color-surface-offset, var(--color-surface-2));
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  text-decoration: none;
  min-width: 180px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), color var(--transition);
}

.btn-store:hover {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-store.primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #0f0e0c;
}

.btn-store.primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #0f0e0c;
  transform: translateY(-2px);
}

.btn-telegram {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  background: transparent;
  border: 1.5px solid rgba(240, 234, 216, 0.25);
  color: rgba(240, 234, 216, 0.7);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  margin-top: var(--space-4);
}

.btn-telegram:hover {
  border-color: #2AABEE;
  color: #2AABEE;
  background: rgba(42, 171, 238, 0.08);
}

[data-theme='light'] .btn-telegram {
  border-color: rgba(26, 22, 16, 0.25);
  color: rgba(26, 22, 16, 0.6);
}

[data-theme='light'] .btn-telegram:hover {
  border-color: #2AABEE;
  color: #2AABEE;
}

.buy-meta {
  margin-top: var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
  line-height: 1.8;
}

/* =====================================================
   ABOUT AUTHOR
   ===================================================== */

.section-author {
  background: var(--color-bg);
}

.author-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  align-items: start;
}

/* Геометрическая монограмма ЛР */
.author-monogram {
  flex-shrink: 0;
  width: 140px;
  height: 140px;
}

.author-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.author-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-1);
}

.author-role {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.author-bio p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 65ch;
  margin-bottom: var(--space-4);
}

.author-bio p:last-child {
  margin-bottom: 0;
}

.author-coming-soon {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-accent-dim);
  border: 1px dashed color-mix(in oklab, var(--color-accent) 35%, transparent);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 500;
  margin-top: var(--space-2);
  letter-spacing: 0.03em;
  max-width: fit-content;
}

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

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-12);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.footer-brand .logo-text {
  font-size: var(--text-lg);
}

.footer-brand .logo-sub {
  font-size: var(--text-xs);
  margin-top: var(--space-1);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
}

.footer-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-divider {
  height: 1px;
  background: var(--color-divider);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copy {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.6;
}

/* =====================================================
   SCROLL REVEAL ANIMATION
   ===================================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms var(--ease-spring), transform 600ms var(--ease-spring);
}

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

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* =====================================================
   MOBILE NAV
   ===================================================== */

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: var(--color-bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color var(--transition);
}

.mobile-nav a:hover {
  color: var(--color-accent);
}

.mobile-nav-close {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
}

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

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-cover {
    position: static;
    display: flex;
    justify-content: center;
    order: -1;
  }

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

  .author-monogram {
    margin: 0 auto;
  }

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

  .route-item:nth-last-child(-n+2) {
    border-bottom: 1px solid var(--color-divider);
  }

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

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

  .btn-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .footer-top {
    flex-direction: column;
  }

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

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

  .btn-store {
    width: 100%;
    max-width: 320px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .cover-wrapper {
    max-width: 260px;
  }
}