/* ==========================================================================
   TULASI ACHARYA — OFFICIAL AUTHOR WEBSITE
   Premium Literary Design System (Light & Dark Mode)
   Compatible with cPanel Shared Hosting & Modern Browsers
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300..800;1,9..144,300..700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Spectral:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Noto+Serif+Devanagari:wght@400;500;600;700&display=swap');

/* --- Theme Variables --- */
:root {
  --font-serif: 'Fraunces', 'Spectral', 'Noto Serif Devanagari', Georgia, serif;
  --font-body: 'Spectral', 'Noto Serif Devanagari', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Light Mode Palette (Warm Parchment & Literary Ink) */
  --bg-primary: #faf8f5;
  --bg-secondary: #f2eee6;
  --bg-card: #ffffff;
  --bg-card-subtle: #f8f6f0;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-strong: rgba(250, 248, 245, 0.95);

  --text-primary: #18191c;
  --text-secondary: #4a4d55;
  --text-muted: #727682;
  --text-inverted: #ffffff;

  --accent-gold: #b3822a;
  --accent-gold-light: #d4a34b;
  --accent-gold-soft: rgba(179, 130, 42, 0.12);
  --accent-gold-border: rgba(179, 130, 42, 0.28);

  --accent-green: #1d4038;
  --accent-green-soft: rgba(29, 64, 56, 0.08);

  --border-light: rgba(24, 25, 28, 0.08);
  --border-medium: rgba(24, 25, 28, 0.15);
  --border-focus: #b3822a;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.1);
  --shadow-book: 0 14px 28px rgba(25, 22, 17, 0.18), 0 10px 10px rgba(25, 22, 17, 0.1);
  --shadow-book-hover: 0 22px 40px rgba(25, 22, 17, 0.25), 0 12px 16px rgba(25, 22, 17, 0.15);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.18s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  --max-width: 1280px;
  --header-height: 76px;
}

/* Dark Mode Palette (Midnight Study & Burnished Bronze) */
[data-theme="dark"] {
  --bg-primary: #0d1013;
  --bg-secondary: #14191f;
  --bg-card: #181e26;
  --bg-card-subtle: #1c232d;
  --bg-glass: rgba(18, 23, 29, 0.85);
  --bg-glass-strong: rgba(13, 16, 19, 0.95);

  --text-primary: #f3efe6;
  --text-secondary: #b8bdc7;
  --text-muted: #828894;
  --text-inverted: #0d1013;

  --accent-gold: #dfb15b;
  --accent-gold-light: #edd08e;
  --accent-gold-soft: rgba(223, 177, 91, 0.15);
  --accent-gold-border: rgba(223, 177, 91, 0.35);

  --accent-green: #377065;
  --accent-green-soft: rgba(55, 112, 101, 0.2);

  --border-light: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-book: 0 14px 30px rgba(0, 0, 0, 0.5), 0 8px 12px rgba(0, 0, 0, 0.35);
  --shadow-book-hover: 0 24px 48px rgba(0, 0, 0, 0.7), 0 12px 20px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.015em;
}

p {
  margin-bottom: 1.1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

/* Focus styles for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 3px;
}

/* --- Layout Containers --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.section {
  padding-top: 5.5rem;
  padding-bottom: 5.5rem;
  position: relative;
}

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

/* Section Header Component */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  background: var(--accent-gold-soft);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  border: 1px solid var(--accent-gold-border);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  font-style: italic;
}

/* --- Buttons & UI Elements --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.45rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--accent-gold);
  color: #ffffff;
  border: 1px solid var(--accent-gold);
  box-shadow: 0 3px 12px rgba(179, 130, 42, 0.25);
}

.btn-primary:hover {
  background-color: var(--accent-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(179, 130, 42, 0.35);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background-color: var(--accent-gold-soft);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: #14171a;
  color: #ffffff;
  border: 1px solid #14171a;
}

.btn-dark:hover {
  background-color: #272c32;
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.btn-sm {
  padding: 0.5rem 0.95rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.9rem 1.85rem;
  font-size: 1.05rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.22rem 0.65rem;
  border-radius: var(--radius-sm);
}

.badge-gold {
  background: var(--accent-gold-soft);
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold-border);
}

.badge-dark {
  background: rgba(0, 0, 0, 0.08);
  color: var(--text-secondary);
}

[data-theme="dark"] .badge-dark {
  background: rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   NAVIGATION (STICKY GLASSMORPHIC HEADER)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background-color: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background-color: var(--bg-glass-strong);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  line-height: 1.1;
}

.brand-title {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-top: 0.15rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.35rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-gold);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-gold);
  transition: width var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background-color: transparent;
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
  position: relative;
}

.icon-btn:hover {
  color: var(--accent-gold);
  border-color: var(--accent-gold-border);
  background-color: var(--accent-gold-soft);
}

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  background-color: var(--accent-gold);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 40px;
  height: 40px;
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.hamburger-btn span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

/* Mobile Nav Drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: var(--bg-card);
  padding: 2rem 1.5rem;
  z-index: 999;
  overflow-y: auto;
  border-top: 1px solid var(--border-light);
}

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

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text-primary);
  display: block;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding-top: 4rem;
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 15% 20%, var(--accent-gold-soft) 0%, transparent 45%),
              radial-gradient(circle at 85% 80%, var(--accent-green-soft) 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

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

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-gold);
  margin-bottom: 1.2rem;
}

.hero-title {
  font-size: clamp(2.35rem, 4.4vw, 3.6rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 1.4rem;
  letter-spacing: -0.02em;
}

.hero-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent-gold);
}

.hero-bio-lead {
  font-size: 1.18rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.6rem;
}

.hero-award-callout {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.9rem 1.1rem;
  background-color: var(--bg-card);
  border-left: 3px solid var(--accent-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

.hero-award-icon {
  color: var(--accent-gold);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.hero-award-text {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.2rem;
}

.hero-meta-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.degree-pill {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-card);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
}

/* Hero Author Portrait Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.portrait-frame {
  position: relative;
  width: 100%;
  max-width: 430px;
}

.portrait-frame::before {
  content: '';
  position: absolute;
  inset: -12px;
  border: 1px solid var(--accent-gold-border);
  border-radius: var(--radius-lg);
  transform: rotate(-2deg);
  z-index: 1;
  pointer-events: none;
}

.portrait-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 2;
  pointer-events: none;
}

.portrait-img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-lg);
  position: relative;
  z-index: 2;
  border: 4px solid var(--bg-card);
}

.portrait-floating-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  z-index: 4;
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  max-width: 260px;
}

.floating-card-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
  margin-bottom: 0.25rem;
}

.floating-card-text {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

/* ==========================================================================
   FEATURED SPOTLIGHT BOOK SECTION
   ========================================================================== */
.featured-spotlight {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  position: relative;
}

.spotlight-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 3.5rem;
  align-items: center;
}

.spotlight-cover-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.book-cover-3d {
  width: 250px;
  border-radius: 4px 10px 10px 4px;
  box-shadow: var(--shadow-book);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  transform: perspective(900px) rotateY(-6deg) rotateX(2deg);
}

.book-cover-3d:hover {
  transform: perspective(900px) rotateY(-1deg) rotateX(0deg) translateY(-6px);
  box-shadow: var(--shadow-book-hover);
}

.spotlight-price-tag {
  margin-top: 1.5rem;
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.spotlight-badge {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.spotlight-details {
  display: flex;
  flex-direction: column;
}

.spotlight-header-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.spotlight-title {
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.4rem;
}

.spotlight-subtitle {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.spotlight-blurb-quote {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.6;
  font-style: italic;
  color: var(--text-primary);
  background-color: var(--bg-card-subtle);
  padding: 1.2rem 1.4rem;
  border-left: 3px solid var(--accent-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 1.5rem;
}

.spotlight-blurb-author {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-top: 0.4rem;
  text-align: right;
  display: block;
}

.spotlight-synopsis {
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.spotlight-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* ==========================================================================
   BOOKS CATALOG & FILTERABLE SHOWCASE
   ========================================================================== */
.catalog-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.catalog-search-bar {
  position: relative;
  max-width: 500px;
  margin: 0 auto;
  width: 100%;
}

.catalog-search-input {
  width: 100%;
  padding: 0.85rem 1.25rem 0.85rem 2.85rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-medium);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.9375rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.catalog-search-input:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px var(--accent-gold-soft);
}

.catalog-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.catalog-filters-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.filter-btn {
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 500;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-gold-border);
  background-color: var(--accent-gold-soft);
}

.filter-btn.active {
  background-color: var(--accent-gold);
  color: #ffffff;
  border-color: var(--accent-gold);
  box-shadow: 0 2px 8px rgba(179, 130, 42, 0.28);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2.25rem;
}

/* Book Card */
.book-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
}

.book-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold-border);
}

.book-card-cover-wrapper {
  background: linear-gradient(180deg, var(--bg-card-subtle) 0%, var(--bg-secondary) 100%);
  padding: 2.2rem 1.5rem 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  min-height: 290px;
}

.book-card-cover {
  width: 165px;
  height: 240px;
  object-fit: cover;
  border-radius: 3px 8px 8px 3px;
  box-shadow: var(--shadow-book);
  transition: transform var(--transition-normal);
}

.book-card:hover .book-card-cover {
  transform: scale(1.03) translateY(-3px);
  box-shadow: var(--shadow-book-hover);
}

.book-card-badges {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  display: flex;
  gap: 0.35rem;
  z-index: 2;
}

.book-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.book-card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.book-card-title a:hover {
  color: var(--accent-gold);
}

.book-card-subtitle {
  font-size: 0.9375rem;
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
  line-height: 1.35;
}

.book-card-excerpt {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.book-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
  margin-top: auto;
}

.book-card-price {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.book-card-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

/* ==========================================================================
   ABOUT & ACADEMIC BACKGROUND SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 4rem;
  align-items: flex-start;
}

.about-narrative {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.about-narrative p {
  margin-bottom: 1.35rem;
}

.about-quote-box {
  background-color: var(--bg-card);
  padding: 1.75rem 2rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--accent-gold);
  box-shadow: var(--shadow-sm);
  margin-top: 2rem;
}

.about-quote-box p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.12rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.about-quote-box cite {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-gold);
  font-style: normal;
  display: block;
}

.awards-honors-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

.awards-card-title {
  font-size: 1.45rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-primary);
}

.awards-card-title svg {
  color: var(--accent-gold);
}

.awards-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.award-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--border-light);
}

.award-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.award-icon-box {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--accent-gold-soft);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.award-details h4 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
}

.award-details p {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* ==========================================================================
   RESEARCH & HUMANITARIAN PROJECT
   ========================================================================== */
.research-feature-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.research-img-wrapper {
  position: relative;
  min-height: 380px;
}

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

.research-status-pill {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background-color: var(--accent-green);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.research-info-pane {
  padding: 3rem;
  display: flex;
  flex-direction: column;
}

.research-org {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}

.research-title {
  font-size: 1.85rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.research-summary {
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.research-meta-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 1.75rem;
}

.research-meta-item label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
}

.research-meta-item span {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ==========================================================================
   EVENTS & PHOTO GALLERY
   ========================================================================== */
.events-timeline {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.event-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
}

.event-date-box {
  display: flex;
  flex-direction: column;
}

.event-date {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
  margin-bottom: 0.35rem;
}

.event-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
  margin-top: 1rem;
}

.event-thumb-link {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius-sm);
  display: block;
  position: relative;
}

.event-thumb-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-fast);
}

.event-thumb-link:hover img {
  transform: scale(1.1);
}

.event-content-box h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
}

.event-content-box p {
  font-size: 1.02rem;
  line-height: 1.68;
  color: var(--text-secondary);
}

/* ==========================================================================
   REVIEWS & TESTIMONIALS
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.review-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
}

.review-quote-icon {
  color: var(--accent-gold);
  opacity: 0.4;
  margin-bottom: 1rem;
}

.review-body {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.review-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.review-source {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-gold);
}

.review-badge {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   BLOG & ESSAYS SECTION
   ========================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.blog-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.blog-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--bg-secondary);
}

.blog-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.blog-category-tag {
  color: var(--accent-gold);
  font-weight: 600;
}

.blog-title {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.blog-excerpt {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.blog-link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-gold);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: auto;
}

.blog-link:hover {
  color: var(--accent-gold-light);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 4rem;
  align-items: flex-start;
}

.contact-info-panel h3 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.contact-info-panel p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.contact-method-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-method-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: var(--accent-gold-soft);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-method-details h4 {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-method-details a, .contact-method-details span {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.contact-method-details a:hover {
  color: var(--accent-gold);
}

.contact-form-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  background-color: var(--bg-card-subtle);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-gold);
  background-color: var(--bg-card);
  box-shadow: 0 0 0 3px var(--accent-gold-soft);
}

textarea.form-control {
  min-height: 130px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: #101317;
  color: #c9cdd4;
  padding-top: 4.5rem;
  padding-bottom: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: 1rem;
  color: #9ba0aa;
  margin-bottom: 1.5rem;
}

.footer-social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.footer-social-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.08);
  color: #d1d5db;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-social-icon:hover {
  background-color: var(--accent-gold);
  color: #ffffff;
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-gold-light);
  margin-bottom: 1.2rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links-list a {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: #9ba0aa;
  transition: color var(--transition-fast);
}

.footer-links-list a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: #7a808c;
}

/* ==========================================================================
   MODAL DIALOGS & DRAWERS
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  max-width: 780px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  position: relative;
  padding: 2.5rem;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--bg-card-subtle);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--accent-gold-soft);
  color: var(--accent-gold);
}

/* Cart Drawer */
.cart-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  display: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.cart-drawer-overlay.active {
  display: block;
  opacity: 1;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: -420px;
  width: 100%;
  max-width: 420px;
  height: 100vh;
  background-color: var(--bg-card);
  box-shadow: var(--shadow-lg);
  z-index: 2001;
  display: flex;
  flex-direction: column;
  transition: right var(--transition-normal);
  border-left: 1px solid var(--border-light);
}

.cart-drawer.active {
  right: 0;
}

.cart-drawer-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-drawer-header h3 {
  font-size: 1.35rem;
  font-weight: 600;
}

.cart-drawer-body {
  padding: 1.5rem;
  flex-grow: 1;
  overflow-y: auto;
}

.cart-empty-message {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.cart-item {
  display: flex;
  gap: 1rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
  align-items: center;
}

.cart-item-img {
  width: 50px;
  height: 70px;
  object-fit: cover;
  border-radius: 4px;
}

.cart-item-info {
  flex-grow: 1;
}

.cart-item-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
}

.cart-item-price {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--accent-gold);
  font-weight: 600;
  margin-top: 0.2rem;
}

.cart-qty-ctrl {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.4rem;
}

.cart-qty-btn {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
}

.cart-drawer-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-light);
  background-color: var(--bg-card-subtle);
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: #14171a;
  color: #ffffff;
  padding: 0.85rem 1.45rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  border-left: 4px solid var(--accent-gold);
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================= */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-visual {
    order: -1;
  }
  .portrait-frame {
    max-width: 340px;
  }
  .spotlight-card {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem;
  }
  .spotlight-cover-col {
    order: -1;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .research-feature-card {
    grid-template-columns: 1fr;
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav-links, .header-cta {
    display: none;
  }
  .hamburger-btn {
    display: flex;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .event-card {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}