/* ============================================================
   SER Infotech — Scientific e-Resources
   Static site stylesheet
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700;900&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --navy: #050d1a;
  --navy2: #0a1628;
  --navy3: #0f1f38;
  --gold: #c9a84c;
  --gold2: #e8c87a;
  --gold-dim: rgba(201,168,76,0.15);
  --teal: #1a8c8c;
  --teal2: #22b5b5;
  --white: #f0ece4;
  --white2: #d4cfc5;
  --muted: #7a8499;
  --card-bg: rgba(15,31,56,0.7);
  --border-line: rgba(201,168,76,0.2);
  --glow: 0 0 40px rgba(201,168,76,0.12);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--navy);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  overflow-x: hidden;
  cursor: none;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea { font-family: inherit; }

/* CURSOR */
.cursor {
  width: 12px; height: 12px; background: var(--gold);
  border-radius: 50%; position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  transition: width 0.3s, height 0.3s, background 0.3s;
}
.cursor-ring {
  width: 40px; height: 40px;
  border: 1px solid rgba(201,168,76,0.5);
  border-radius: 50%; position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%,-50%);
  transition: width 0.15s ease, height 0.15s ease, border-color 0.15s ease;
}
.cursor-hover { width: 20px !important; height: 20px !important; background: transparent !important; }
.cursor-ring-hover { width: 60px !important; height: 60px !important; border-color: rgba(201,168,76,0.8) !important; }

/* STARS */
.stars { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; overflow: hidden; }
.star { position: absolute; background: white; border-radius: 50%; animation: twinkle var(--dur) ease-in-out infinite alternate; opacity: 0; }
@keyframes twinkle { 0%{opacity:0} 100%{opacity:var(--op)} }

/* SCROLLBAR */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 2px; }

/* NAV */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 5%;
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
  border-bottom: 1px solid transparent;
  transition: background 0.4s, box-shadow 0.4s, border-color 0.4s;
}
.navbar.scrolled {
  background: rgba(5,13,26,0.95);
  backdrop-filter: blur(20px);
  border-bottom-color: var(--border-line);
  box-shadow: 0 4px 40px rgba(0,0,0,0.4);
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--gold), var(--teal));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 20px; font-weight: 900; color: var(--navy);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-main { font-family: 'Playfair Display', serif; font-size: 16px; color: var(--gold); letter-spacing: 0.02em; }
.logo-sub { font-size: 10px; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }

.nav-links { display: flex; gap: 2px; }
.nav-links a {
  color: var(--white2); font-size: 13px; letter-spacing: 0.05em;
  padding: 8px 14px; border-radius: 6px;
  transition: color 0.3s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 4px; left: 50%; right: 50%;
  height: 1px; background: var(--gold);
  transition: all 0.3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold); }
.nav-links a:hover::after, .nav-links a.active::after { left: 14px; right: 14px; }

.nav-cta { display: flex; gap: 10px; }
.btn-outline {
  padding: 9px 22px; border-radius: 8px;
  border: 1px solid var(--border-line); color: var(--white);
  background: transparent; cursor: none;
  font-size: 13px; transition: all 0.3s;
  display: inline-flex; align-items: center;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-dim); }
.btn-gold {
  padding: 9px 22px; border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), #a8771a);
  color: var(--navy); border: none; cursor: none;
  font-size: 13px; font-weight: 600;
  transition: transform 0.3s, box-shadow 0.3s;
  display: inline-flex; align-items: center;
  box-shadow: 0 4px 20px rgba(201,168,76,0.3);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201,168,76,0.4); }

.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: none; padding: 6px; background: none; border: none;
}
.menu-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* HERO */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 5% 60px; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(26,140,140,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 20% 60%, rgba(201,168,76,0.06) 0%, transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy2) 100%);
}
.hero-grid {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(rgba(201,168,76,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-orb { position: absolute; border-radius: 50%; pointer-events: none; z-index: 1; filter: blur(80px); }
.orb1 { width: 500px; height: 500px; background: rgba(26,140,140,0.12); top: -100px; right: 5%; animation: float1 8s ease-in-out infinite; }
.orb2 { width: 350px; height: 350px; background: rgba(201,168,76,0.08); bottom: -50px; right: 25%; animation: float2 10s ease-in-out infinite; }
.orb3 { width: 250px; height: 250px; background: rgba(201,168,76,0.06); top: 30%; left: 5%; animation: float1 12s ease-in-out infinite reverse; }
@keyframes float1 { 0%,100%{transform:translateY(0) scale(1)} 50%{transform:translateY(-30px) scale(1.05)} }
@keyframes float2 { 0%,100%{transform:translateY(0) scale(1)} 50%{transform:translateY(20px) scale(0.95)} }

.hero-content { position: relative; z-index: 2; max-width: 680px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 100px;
  border: 1px solid var(--border-line); background: var(--gold-dim);
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold2);
  margin-bottom: 28px;
  animation: fadeUp 0.8s ease both;
}
.badge-dot { width: 6px; height: 6px; background: var(--gold); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.4)} }

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(42px, 5.5vw, 76px);
  line-height: 1.08; font-weight: 700;
  animation: fadeUp 0.8s 0.1s ease both;
}
.hero h1 em {
  font-style: italic;
  background: linear-gradient(135deg, var(--gold), var(--gold2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-desc { margin: 24px 0 40px; font-size: 17px; line-height: 1.7; color: var(--white2); font-weight: 300; animation: fadeUp 0.8s 0.2s ease both; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; animation: fadeUp 0.8s 0.3s ease both; }

.btn-hero {
  padding: 16px 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--gold), #a8771a);
  color: var(--navy); border: none; cursor: none;
  font-size: 15px; font-weight: 600;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 8px 30px rgba(201,168,76,0.35);
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-hero::before {
  content: ''; position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}
.btn-hero:hover::before { left: 100%; }
.btn-hero:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(201,168,76,0.45); }

.btn-ghost {
  padding: 16px 36px; border-radius: 10px;
  border: 1px solid rgba(240,236,228,0.2); color: var(--white);
  background: rgba(255,255,255,0.04); cursor: none;
  font-size: 15px; transition: all 0.3s;
  backdrop-filter: blur(10px);
  display: inline-flex; align-items: center;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-dim); }

.hero-stats { display: flex; gap: 48px; margin-top: 64px; animation: fadeUp 0.8s 0.4s ease both; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: 'Playfair Display', serif; font-size: 32px; font-weight: 700; color: var(--gold); line-height: 1; }
.stat-label { font-size: 12px; color: var(--muted); margin-top: 4px; letter-spacing: 0.06em; text-transform: uppercase; }

.hero-visual {
  position: absolute; right: 5%; top: 50%; transform: translateY(-50%);
  width: min(42%, 520px); z-index: 2;
  animation: fadeUp 1s 0.2s ease both;
}
.book-card {
  background: var(--card-bg);
  border: 1px solid var(--border-line);
  border-radius: 16px; padding: 24px;
  backdrop-filter: blur(20px);
  box-shadow: var(--glow), 0 20px 60px rgba(0,0,0,0.4);
  transition: transform 0.4s;
}
.book-card:hover { transform: translateY(-6px); }
.book-cover-hero {
  width: 100%; height: 200px; border-radius: 10px;
  background: linear-gradient(135deg, #1a3a6e, #0d2240);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 13px; color: var(--gold2);
  text-align: center; padding: 20px;
  position: relative; overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid var(--border-line);
}
.book-cover-hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--gold), var(--teal2)); }
.book-spine { position: absolute; left: 0; top: 0; bottom: 0; width: 12px; background: linear-gradient(180deg, var(--gold), #6b4a0d); border-radius: 10px 0 0 10px; }
.book-icon { font-size: 48px; margin-bottom: 12px; }
.book-title-hero { font-weight: 600; font-size: 14px; line-height: 1.4; }
.book-meta-hero { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.book-author-hero { font-size: 12px; color: var(--muted); }
.book-badge {
  background: var(--gold-dim); border: 1px solid var(--border-line);
  color: var(--gold); font-size: 10px; padding: 3px 10px;
  border-radius: 100px; letter-spacing: 0.06em;
}
.floating-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.mini-card {
  background: var(--card-bg); border: 1px solid var(--border-line);
  border-radius: 12px; padding: 14px; backdrop-filter: blur(20px);
  animation: float1 6s ease-in-out infinite;
}
.mini-card:nth-child(2) { animation: float2 7s ease-in-out infinite; }
.mini-card-icon { font-size: 22px; margin-bottom: 6px; }
.mini-card-title { font-size: 11px; font-weight: 600; color: var(--gold2); margin-bottom: 2px; }
.mini-card-sub { font-size: 10px; color: var(--muted); }

section { position: relative; z-index: 2; }
.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--teal2); margin-bottom: 16px;
}
.section-label::before { content: ''; display: block; width: 30px; height: 1px; background: var(--teal2); }
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 3.5vw, 52px);
  font-weight: 700; line-height: 1.15;
}
.section-title span { color: var(--gold); font-style: italic; }

/* SERVICES */
.services { padding: 120px 5%; background: linear-gradient(180deg, var(--navy2) 0%, var(--navy3) 100%); }
.services-header { max-width: 600px; margin-bottom: 70px; }
.services-header p { margin-top: 16px; color: var(--white2); font-size: 16px; line-height: 1.7; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--card-bg); border: 1px solid var(--border-line);
  border-radius: 20px; padding: 36px 32px;
  backdrop-filter: blur(20px);
  transition: transform 0.4s, border-color 0.4s, box-shadow 0.4s;
  position: relative; overflow: hidden;
  display: block;
}
.service-card:hover { transform: translateY(-8px); border-color: var(--gold); box-shadow: var(--glow); }
.service-icon {
  width: 60px; height: 60px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; margin-bottom: 24px;
}
.icon-db { background: linear-gradient(135deg, rgba(26,140,140,0.2), rgba(26,140,140,0.05)); border: 1px solid rgba(26,140,140,0.3); }
.icon-book { background: linear-gradient(135deg, rgba(201,168,76,0.2), rgba(201,168,76,0.05)); border: 1px solid rgba(201,168,76,0.3); }
.icon-journal { background: linear-gradient(135deg, rgba(120,80,200,0.2), rgba(120,80,200,0.05)); border: 1px solid rgba(120,80,200,0.3); }
.service-title { font-family: 'Playfair Display', serif; font-size: 22px; font-weight: 600; margin-bottom: 14px; }
.service-desc { font-size: 14px; color: var(--white2); line-height: 1.7; margin-bottom: 24px; }
.service-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--gold); font-weight: 500;
  transition: gap 0.3s;
}
.service-card:hover .service-link { gap: 14px; }
.service-number {
  position: absolute; top: 24px; right: 24px;
  font-family: 'Playfair Display', serif; font-size: 64px; font-weight: 900;
  color: rgba(201,168,76,0.05); line-height: 1;
  pointer-events: none;
}

/* FEATURED BOOKS */
.featured { padding: 120px 5%; }
.featured-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 60px; flex-wrap: wrap; gap: 16px; }
.see-all { color: var(--gold); font-size: 14px; display: inline-flex; align-items: center; gap: 8px; transition: gap 0.3s; }
.see-all:hover { gap: 14px; }
.books-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.book-item {
  border-radius: 16px; overflow: hidden;
  background: var(--card-bg); border: 1px solid var(--border-line);
  transition: transform 0.4s, box-shadow 0.4s, border-color 0.4s;
  display: block;
}
.book-item:hover { transform: translateY(-10px); box-shadow: 0 20px 60px rgba(0,0,0,0.4), var(--glow); border-color: var(--gold); }
.book-thumb {
  height: 220px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  font-size: 52px;
}
.book-thumb-1 { background: linear-gradient(135deg, #0d3b6e, #061d38); }
.book-thumb-2 { background: linear-gradient(135deg, #1a3a2a, #0a1e15); }
.book-thumb-3 { background: linear-gradient(135deg, #3b1a1a, #1e0a0a); }
.book-thumb-4 { background: linear-gradient(135deg, #2a1a3b, #140a1e); }
.book-thumb-5 { background: linear-gradient(135deg, #1a2a3b, #0a141e); }
.book-thumb-6 { background: linear-gradient(135deg, #3b2a1a, #1e140a); }
.book-thumb-7 { background: linear-gradient(135deg, #2a3b1a, #141e0a); }
.book-thumb-8 { background: linear-gradient(135deg, #1a3b3b, #0a1e1e); }
.book-thumb::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(5,13,26,0.8) 0%, transparent 60%);
}
.book-thumb-label {
  position: absolute; bottom: 12px; left: 14px; z-index: 1;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gold2); background: var(--gold-dim);
  padding: 3px 10px; border-radius: 100px;
  border: 1px solid var(--border-line);
}
.book-info { padding: 20px; }
.book-info-title { font-family: 'Playfair Display', serif; font-size: 16px; font-weight: 600; margin-bottom: 6px; line-height: 1.4; }
.book-info-author { font-size: 12px; color: var(--muted); margin-bottom: 14px; }
.book-actions { display: flex; gap: 8px; }
.btn-sm { padding: 7px 16px; border-radius: 6px; font-size: 12px; font-weight: 500; cursor: none; transition: all 0.3s; display: inline-flex; align-items: center; gap: 6px; border: none; }
.btn-sm-gold { background: linear-gradient(135deg, var(--gold), #a8771a); color: var(--navy); }
.btn-sm-outline { border: 1px solid var(--border-line); color: var(--white2); background: transparent; }

/* CATEGORIES */
.categories { padding: 120px 5%; background: linear-gradient(180deg, var(--navy3) 0%, var(--navy) 100%); }
.cat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-top: 60px; }
.cat-card {
  background: var(--card-bg); border: 1px solid var(--border-line);
  border-radius: 16px; padding: 24px 16px; text-align: center;
  cursor: none; transition: transform 0.4s, border-color 0.4s;
  position: relative; overflow: hidden; display: block;
}
.cat-card::before {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--teal2));
  transform: scaleX(0); transition: transform 0.4s;
}
.cat-card:hover { transform: translateY(-6px); border-color: var(--gold); }
.cat-card:hover::before { transform: scaleX(1); }
.cat-icon { font-size: 32px; margin-bottom: 12px; }
.cat-name { font-size: 12px; font-weight: 600; letter-spacing: 0.04em; color: var(--white2); }
.cat-count { font-size: 10px; color: var(--muted); margin-top: 4px; }

/* TESTIMONIALS */
.testimonials { padding: 100px 5%; background: linear-gradient(180deg, var(--navy) 0%, var(--navy2) 100%); }
.testimonials-header { text-align: center; margin-bottom: 60px; }
.testimonials-header .section-label { justify-content: center; }
.testimonials-track-wrap { overflow: hidden; position: relative; }
.testimonials-track-wrap::before,
.testimonials-track-wrap::after { content: ''; position: absolute; top: 0; bottom: 0; width: 120px; z-index: 2; pointer-events: none; }
.testimonials-track-wrap::before { left: 0; background: linear-gradient(90deg, var(--navy2), transparent); }
.testimonials-track-wrap::after { right: 0; background: linear-gradient(-90deg, var(--navy2), transparent); }
.testimonials-track {
  display: flex; gap: 24px;
  animation: scroll-testimonials 50s linear infinite;
  width: max-content;
}
.testimonials-track:hover { animation-play-state: paused; }
@keyframes scroll-testimonials {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.testimonial-card {
  flex-shrink: 0; width: 380px;
  background: var(--card-bg); border: 1px solid var(--border-line);
  border-radius: 20px; padding: 32px;
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column; gap: 20px;
  transition: border-color 0.3s, transform 0.3s;
}
.testimonial-card:hover { border-color: var(--gold); transform: translateY(-4px); }
.testimonial-quote-mark { font-family: 'Playfair Display', serif; font-size: 60px; color: var(--gold); line-height: 0.6; height: 30px; }
.testimonial-text { color: var(--white2); font-size: 15px; line-height: 1.7; font-style: italic; font-weight: 300; }
.testimonial-author { display: flex; align-items: center; gap: 14px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border-line); }
.testimonial-avatar {
  width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--teal));
  display: flex; align-items: center; justify-content: center;
  color: var(--navy); font-family: 'Playfair Display', serif; font-weight: 700; font-size: 18px;
  flex-shrink: 0;
}
.testimonial-name { font-weight: 600; font-size: 14px; color: var(--gold2); }
.testimonial-role { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* PARTNERS */
.partners { padding: 100px 5%; }
.partners-title { text-align: center; margin-bottom: 16px; }
.partners-title.section-label { justify-content: center; }
.partners-sub { text-align: center; color: var(--muted); font-size: 14px; margin-bottom: 60px; }
.partners-track-wrap { overflow: hidden; position: relative; }
.partners-track-wrap::before,
.partners-track-wrap::after { content: ''; position: absolute; top: 0; bottom: 0; width: 100px; z-index: 2; }
.partners-track-wrap::before { left: 0; background: linear-gradient(90deg, var(--navy), transparent); }
.partners-track-wrap::after { right: 0; background: linear-gradient(-90deg, var(--navy), transparent); }
.partners-track { display: flex; gap: 40px; animation: scroll-partners 30s linear infinite; width: max-content; }
@keyframes scroll-partners { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }
.partner-logo {
  background: var(--card-bg); border: 1px solid var(--border-line);
  border-radius: 12px; padding: 16px 28px;
  display: flex; align-items: center; justify-content: center;
  min-width: 180px; height: 70px; white-space: nowrap;
  font-size: 13px; font-weight: 500; color: var(--white2);
  transition: all 0.3s; flex-shrink: 0;
}
.partner-logo:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-dim); }

/* CTA */
.cta-banner {
  margin: 0 5% 120px;
  border-radius: 28px;
  padding: 80px 70px;
  background: linear-gradient(135deg, #0f2040, #0a2230);
  border: 1px solid var(--border-line);
  display: flex; align-items: center; justify-content: space-between;
  position: relative; overflow: hidden;
  box-shadow: var(--glow);
  z-index: 2;
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(26,140,140,0.1) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 10% 50%, rgba(201,168,76,0.07) 0%, transparent 60%);
}
.cta-text { position: relative; max-width: 520px; }
.cta-text h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 3vw, 44px); font-weight: 700;
  line-height: 1.2; margin-bottom: 16px;
}
.cta-text h2 span { color: var(--gold); font-style: italic; }
.cta-text p { color: var(--white2); font-size: 15px; line-height: 1.7; }
.cta-actions { position: relative; display: flex; flex-direction: column; gap: 12px; align-items: flex-end; }

/* FOOTER */
.footer {
  background: var(--navy2);
  border-top: 1px solid var(--border-line);
  padding: 80px 5% 40px;
  position: relative; z-index: 2;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 60px; margin-bottom: 60px; }
.footer-brand p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 20px 0 28px; max-width: 280px; }
.footer-social { display: flex; gap: 12px; }
.social-btn {
  width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid var(--border-line); background: transparent;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); cursor: none; transition: all 0.3s; font-size: 16px;
}
.social-btn:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-dim); }
.footer-col h4 { font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); margin-bottom: 20px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--muted); font-size: 14px; transition: color 0.3s; }
.footer-col a:hover { color: var(--white); }
.footer-contact p { display: flex; align-items: flex-start; gap: 10px; color: var(--muted); font-size: 14px; line-height: 1.6; margin-bottom: 14px; }
.contact-icon { flex-shrink: 0; font-size: 16px; margin-top: 2px; }
.footer-bottom {
  border-top: 1px solid var(--border-line); padding-top: 28px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
}
.footer-bottom p { color: var(--muted); font-size: 13px; }

/* ANIM */
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s 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; }

/* SEARCH */
.search-bar { position: relative; margin-top: 32px; max-width: 480px; animation: fadeUp 0.8s 0.35s ease both; }
.search-bar input {
  width: 100%; padding: 14px 56px 14px 20px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border-line);
  border-radius: 10px; color: var(--white); font-size: 14px;
  outline: none; transition: all 0.3s; backdrop-filter: blur(10px);
  cursor: none;
}
.search-bar input:focus { border-color: var(--gold); background: rgba(201,168,76,0.05); }
.search-bar input::placeholder { color: var(--muted); }
.search-btn {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  background: var(--gold); border: none; border-radius: 7px;
  width: 36px; height: 36px; cursor: none;
  display: flex; align-items: center; justify-content: center;
  color: var(--navy); font-size: 16px; transition: all 0.3s;
}
.search-btn:hover { background: var(--gold2); transform: translateY(-50%) scale(1.05); }

.divider { width: 60px; height: 2px; background: linear-gradient(90deg, var(--gold), transparent); margin: 20px 0; }

/* PAGE HEADER */
.page-header { padding: 160px 5% 60px; position: relative; overflow: hidden; }
.page-header::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 60% 80% at 70% 30%, rgba(26,140,140,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 10% 60%, rgba(201,168,76,0.05) 0%, transparent 60%);
}
.page-header-inner { position: relative; z-index: 1; max-width: 900px; }
.page-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(38px, 4.5vw, 62px);
  line-height: 1.1; font-weight: 700;
  margin: 12px 0 20px;
}
.page-header h1 em, .page-header h1 span { font-style: italic; color: var(--gold); }
.page-header p { color: var(--white2); font-size: 17px; line-height: 1.7; max-width: 720px; font-weight: 300; }

/* BOOKS */
.books-toolbar {
  display: flex; gap: 16px; flex-wrap: wrap; align-items: center;
  padding: 0 5% 30px; position: relative; z-index: 2;
}
.filter-input, .filter-select {
  padding: 12px 18px; border-radius: 10px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border-line);
  color: var(--white); font-size: 14px;
  outline: none; transition: all 0.3s; cursor: none;
}
.filter-input { flex: 1; min-width: 260px; }
.filter-input:focus, .filter-select:focus { border-color: var(--gold); background: rgba(201,168,76,0.05); }
.filter-input::placeholder { color: var(--muted); }
.filter-select option { background: var(--navy2); color: var(--white); }
.results-count { color: var(--muted); font-size: 13px; margin-left: auto; }
.books-page-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding: 20px 5% 120px;
  position: relative; z-index: 2;
}
.no-results {
  grid-column: 1 / -1; text-align: center;
  padding: 80px 20px; color: var(--muted);
}
.no-results-icon { font-size: 48px; margin-bottom: 16px; }
.no-results h3 { font-family: 'Playfair Display', serif; font-size: 24px; color: var(--white); margin-bottom: 8px; }

/* BOOK DETAIL */
.book-detail { padding: 140px 5% 100px; position: relative; z-index: 2; }
.book-detail-grid { display: grid; grid-template-columns: 380px 1fr; gap: 60px; align-items: start; }
.book-detail-cover {
  position: sticky; top: 100px;
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--border-line);
  background: var(--card-bg);
  box-shadow: var(--glow), 0 20px 60px rgba(0,0,0,0.5);
}
.book-detail-thumb {
  height: 480px; position: relative;
  display: flex; align-items: center; justify-content: center;
  font-size: 96px;
}
.book-detail-thumb::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--gold), var(--teal2)); }
.book-detail-thumb::after { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 16px; background: linear-gradient(180deg, rgba(201,168,76,0.5), rgba(107,74,13,0.3)); }
.book-detail-cta { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.book-detail-info h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 3.5vw, 46px);
  line-height: 1.15; font-weight: 700;
  margin: 16px 0 12px;
}
.book-detail-author { color: var(--gold); font-size: 15px; margin-bottom: 30px; letter-spacing: 0.03em; }
.book-detail-desc { color: var(--white2); font-size: 15px; line-height: 1.8; margin-bottom: 36px; font-weight: 300; }
.book-detail-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--border-line); }
.meta-row { padding: 18px 0; border-bottom: 1px solid var(--border-line); display: flex; flex-direction: column; gap: 4px; }
.meta-row:nth-child(odd) { padding-right: 24px; }
.meta-row:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--border-line); }
.meta-label { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.meta-value { font-size: 14px; color: var(--white); font-weight: 500; }
.meta-value a { color: var(--gold); }
.meta-value a:hover { text-decoration: underline; }
.related-title {
  font-family: 'Playfair Display', serif;
  font-size: 28px; font-weight: 700;
  margin: 80px 5% 30px;
  position: relative; z-index: 2;
}
.related-title span { color: var(--gold); font-style: italic; }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.db-feature-tag {
  padding: 5px 12px; border-radius: 100px; font-size: 11px;
  background: rgba(26,140,140,0.15); border: 1px solid rgba(26,140,140,0.3); color: var(--teal2);
}

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 40px 5% 120px; position: relative; z-index: 2; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-block {
  background: var(--card-bg); border: 1px solid var(--border-line);
  border-radius: 16px; padding: 26px; backdrop-filter: blur(20px);
  display: flex; gap: 18px; align-items: flex-start;
  transition: all 0.4s;
}
.contact-block:hover { border-color: var(--gold); transform: translateY(-4px); }
.contact-block-icon {
  width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0;
  background: var(--gold-dim); border: 1px solid var(--border-line);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.contact-block h4 { font-family: 'Playfair Display', serif; font-size: 17px; margin-bottom: 6px; color: var(--gold2); }
.contact-block p { color: var(--white2); font-size: 14px; line-height: 1.6; }
.contact-form {
  background: var(--card-bg); border: 1px solid var(--border-line);
  border-radius: 20px; padding: 36px; backdrop-filter: blur(20px);
}
.contact-form h3 { font-family: 'Playfair Display', serif; font-size: 26px; margin-bottom: 8px; }
.contact-form .sub { color: var(--muted); font-size: 14px; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-field label { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.form-field input, .form-field textarea, .form-field select {
  padding: 12px 16px; border-radius: 10px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border-line);
  color: var(--white); font-size: 14px;
  outline: none; transition: all 0.3s; cursor: none;
  width: 100%;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--gold); background: rgba(201,168,76,0.05); }
.form-field textarea { min-height: 130px; resize: vertical; }
.form-success { color: var(--teal2); font-size: 13px; margin-top: 12px; display: none; }
.form-success.show { display: block; }

/* ABOUT */
.about-section { padding: 40px 5% 100px; position: relative; z-index: 2; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 80px; }
.about-text p { color: var(--white2); font-size: 16px; line-height: 1.8; margin-bottom: 18px; font-weight: 300; }
.about-visual {
  background: var(--card-bg); border: 1px solid var(--border-line);
  border-radius: 20px; padding: 40px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  backdrop-filter: blur(20px);
}
.about-stat-num { font-family: 'Playfair Display', serif; font-size: 42px; font-weight: 700; color: var(--gold); }
.about-stat-label { font-size: 12px; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.value-card {
  background: var(--card-bg); border: 1px solid var(--border-line);
  border-radius: 16px; padding: 32px; backdrop-filter: blur(20px);
  transition: all 0.4s;
}
.value-card:hover { border-color: var(--gold); transform: translateY(-6px); }
.value-icon { font-size: 32px; margin-bottom: 16px; }
.value-title { font-family: 'Playfair Display', serif; font-size: 20px; margin-bottom: 10px; }
.value-desc { color: var(--white2); font-size: 14px; line-height: 1.7; font-weight: 300; }

/* PARTNERS PAGE */
.partner-grid-page { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 40px 5% 100px; position: relative; z-index: 2; }
.partner-card {
  background: var(--card-bg); border: 1px solid var(--border-line);
  border-radius: 14px; padding: 28px 24px;
  min-height: 140px; display: flex; flex-direction: column; justify-content: center;
  transition: all 0.4s; backdrop-filter: blur(20px);
}
.partner-card:hover { border-color: var(--gold); transform: translateY(-4px); background: var(--gold-dim); }
.partner-card h4 { font-family: 'Playfair Display', serif; font-size: 17px; color: var(--gold2); margin-bottom: 4px; }
.partner-card p { font-size: 12px; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; }
.partner-card .partner-count { color: var(--gold); font-size: 12px; margin-top: 12px; letter-spacing: 0; text-transform: none; }

/* JOURNALS */
.journals-list { padding: 40px 5% 120px; display: flex; flex-direction: column; gap: 20px; position: relative; z-index: 2; }
.journal-row {
  background: var(--card-bg); border: 1px solid var(--border-line);
  border-radius: 16px; padding: 28px 32px;
  display: grid; grid-template-columns: 80px 1fr auto; gap: 24px; align-items: center;
  backdrop-filter: blur(20px); transition: all 0.4s;
}
.journal-row:hover { border-color: var(--gold); transform: translateX(6px); }
.journal-icon { font-size: 44px; }
.journal-title { font-family: 'Playfair Display', serif; font-size: 20px; margin-bottom: 4px; }
.journal-meta { color: var(--muted); font-size: 13px; }
.journal-tag { padding: 6px 14px; border-radius: 100px; font-size: 11px; letter-spacing: 0.08em; background: var(--gold-dim); border: 1px solid var(--border-line); color: var(--gold); text-transform: uppercase; }

/* DATABASES */
.db-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; padding: 40px 5% 120px; position: relative; z-index: 2; }
.db-card {
  background: var(--card-bg); border: 1px solid var(--border-line);
  border-radius: 20px; padding: 36px; backdrop-filter: blur(20px);
  transition: all 0.4s;
}
.db-card:hover { border-color: var(--gold); transform: translateY(-8px); box-shadow: var(--glow); }
.db-card h3 { font-family: 'Playfair Display', serif; font-size: 24px; margin-bottom: 10px; color: var(--gold2); }
.db-card p { color: var(--white2); font-size: 14px; line-height: 1.7; margin-bottom: 18px; font-weight: 300; }
.db-features { display: flex; flex-wrap: wrap; gap: 8px; }

/* RESPONSIVE */
@media (max-width: 1100px) {
  .books-grid, .books-page-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .book-detail-grid { grid-template-columns: 1fr; }
  .book-detail-cover { position: static; max-width: 380px; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .partner-grid-page { grid-template-columns: repeat(2, 1fr); }
  .db-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  body, .cursor, .cursor-ring { cursor: auto !important; }
  body { cursor: auto; }
  .cursor, .cursor-ring { display: none !important; }
  * { cursor: auto !important; }

  .navbar { padding: 0 5%; }
  .nav-links {
    display: none;
    position: absolute;
    top: 76px; left: 0; right: 0;
    background: rgba(5,13,26,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 5% 28px;
    gap: 6px;
    border-bottom: 1px solid var(--border-line);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; font-size: 15px; text-align: left; }
  .nav-links a::after { display: none; }
  .nav-cta { display: none; }
  .menu-toggle { display: flex; }

  .hero-visual { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .cta-banner { flex-direction: column; gap: 32px; padding: 50px 32px; }
  .cta-actions { align-items: flex-start; }
  .featured-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .testimonial-card { width: 300px; padding: 26px; }
}
@media (max-width: 600px) {
  .books-grid, .books-page-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 28px; }
  .partner-grid-page { grid-template-columns: 1fr; }
  .book-detail-meta { grid-template-columns: 1fr; }
  .meta-row:nth-child(even) { padding-left: 0; border-left: none; }
  .meta-row:nth-child(odd) { padding-right: 0; }
  .journal-row { grid-template-columns: 1fr; text-align: left; }
  .hero { padding: 110px 5% 40px; }
  .cta-banner { padding: 40px 24px; margin: 0 4% 80px; }
  .featured, .services, .categories, .testimonials, .partners { padding: 80px 5%; }
  .page-header { padding: 130px 5% 40px; }
}