/* ═══════════════════════════════════════════════
   BIBLIOTECA VENCER — Design System
   Light Mode · White & Orange
   ═══════════════════════════════════════════════ */

:root {
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F6F3;
    --bg-tertiary: #F0ECE6;
    --bg-card: rgba(0, 0, 0, 0.02);
    --bg-card-hover: rgba(0, 0, 0, 0.04);
    --bg-glass: rgba(0, 0, 0, 0.03);
    --bg-glass-strong: rgba(0, 0, 0, 0.06);

    --text-primary: #1A1A1A;
    --text-secondary: #555555;
    --text-muted: #888888;
    --text-accent: #E67E22;

    --accent-gold: #E67E22;
    --accent-gold-dark: #D35400;
    --accent-purple: #9B59B6;
    --accent-cyan: #2980B9;
    --accent-rose: #E74C3C;
    --accent-green: #27AE60;

    --col-literatura: #E67E22;
    --col-museu: #9B59B6;
    --col-documento: #2980B9;

    --gradient-gold: linear-gradient(135deg, #F39C12 0%, #E67E22 100%);
    --gradient-purple: linear-gradient(135deg, #9B59B6 0%, #8E44AD 100%);
    --gradient-cyan: linear-gradient(135deg, #2980B9 0%, #2471A3 100%);
    --gradient-card: linear-gradient(180deg, rgba(0,0,0,0.02) 0%, rgba(0,0,0,0.01) 100%);

    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --shadow-glow-gold: 0 4px 24px rgba(230,126,34,0.25);
    --shadow-glow-purple: 0 4px 24px rgba(155,89,182,0.25);

    --border-subtle: 1px solid rgba(0,0,0,0.08);
    --border-glass: 1px solid rgba(0,0,0,0.12);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --header-height: 72px;
    --container-max: 1320px;
    --container-padding: 24px;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --dur-fast: 0.2s;
    --dur-normal: 0.4s;
    --dur-slow: 0.6s;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}
a { color: inherit; text-decoration: none; transition: color var(--dur-fast) ease; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: var(--font-body); cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: var(--font-body); color: var(--text-primary); }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; }

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

/* ═══ HEADER ═══ */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    height: var(--header-height);
    display: flex; align-items: center;
    transition: all var(--dur-normal) var(--ease-out);
    border-bottom: 1px solid transparent;
}
.site-header.scrolled {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(0,0,0,0.08);
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-padding);
}
.header-brand { display: flex; align-items: center; gap: 12px; z-index: 10; }
.header-logo {
    width: 40px; height: 40px; border-radius: var(--radius-sm);
    background: var(--gradient-gold);
    display: flex; align-items: center; justify-content: center;
    transition: transform var(--dur-normal) var(--ease-spring);
}
.header-logo:hover { transform: rotate(-8deg) scale(1.1); }
.header-logo svg { width: 22px; height: 22px; fill: var(--bg-primary); }
.header-title {
    font-family: var(--font-heading); font-size: 1.2rem; font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    letter-spacing: -0.02em;
}

.header-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
    position: relative; padding: 8px 16px; font-size: 0.88rem; font-weight: 500;
    color: var(--text-secondary); border-radius: var(--radius-full);
    transition: all var(--dur-fast) ease;
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); background: rgba(0,0,0,0.05); }
.nav-link::after {
    content: ''; position: absolute; bottom: 2px; left: 50%; width: 0; height: 2px;
    background: var(--accent-gold); border-radius: 1px;
    transition: all var(--dur-normal) var(--ease-out); transform: translateX(-50%);
}
.nav-link:hover::after, .nav-link.active::after { width: 20px; }

.header-actions { display: flex; align-items: center; gap: 8px; z-index: 10; }
.header-btn {
    width: 40px; height: 40px; border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.04); border: var(--border-subtle);
    transition: all var(--dur-fast) ease; color: var(--text-secondary);
}
.header-btn:hover { background: rgba(230,126,34,0.1); color: var(--accent-gold); transform: translateY(-2px); }
.header-btn svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; z-index: 1001; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all var(--dur-normal) var(--ease-out); }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ═══ SEARCH OVERLAY ═══ */
.search-overlay {
    position: fixed; inset: 0; z-index: 2000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(40px); -webkit-backdrop-filter: blur(40px);
    display: flex; flex-direction: column; align-items: center; padding-top: 15vh;
    opacity: 0; visibility: hidden; transition: all var(--dur-normal) var(--ease-out);
}
.search-overlay.active { opacity: 1; visibility: visible; }
.search-close {
    position: absolute; top: 24px; right: 24px; width: 48px; height: 48px;
    border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.05); color: var(--text-secondary); font-size: 1.5rem;
    transition: all var(--dur-fast) ease;
}
.search-close:hover { background: rgba(0,0,0,0.1); color: var(--text-primary); transform: rotate(90deg); }
.search-container {
    width: 90%; max-width: 680px;
    transform: translateY(20px); transition: transform var(--dur-normal) var(--ease-out);
}
.search-overlay.active .search-container { transform: translateY(0); }
.search-input-wrap { position: relative; margin-bottom: 24px; }
.search-input-wrap svg {
    position: absolute; left: 20px; top: 50%; transform: translateY(-50%);
    width: 22px; height: 22px; stroke: var(--text-muted); fill: none; stroke-width: 2;
}
.search-input {
    width: 100%; padding: 18px 24px 18px 56px; font-size: 1.15rem;
    background: rgba(0,0,0,0.03); border: var(--border-glass);
    border-radius: var(--radius-lg); color: var(--text-primary); outline: none;
    transition: all var(--dur-fast) ease;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus { border-color: rgba(230,126,34,0.5); box-shadow: 0 0 0 4px rgba(230,126,34,0.1); background: #fff; }
.search-hint { text-align: center; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 32px; }
.search-hint kbd { display: inline-block; padding: 2px 8px; font-size: 0.8rem; background: rgba(0,0,0,0.05); border: var(--border-subtle); border-radius: 4px; }

.search-results { max-height: 50vh; overflow-y: auto; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.1) transparent; }
.search-results::-webkit-scrollbar { width: 6px; }
.search-results::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 3px; }

.search-result-item {
    display: flex; align-items: center; gap: 16px; padding: 14px 16px;
    border-radius: var(--radius-md); transition: all var(--dur-fast) ease; cursor: pointer;
    opacity: 0; transform: translateY(10px); animation: searchResultIn var(--dur-normal) var(--ease-out) forwards;
}
.search-result-item:hover { background: rgba(230,126,34,0.06); }
.search-result-thumb { width: 48px; height: 64px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; background: var(--bg-tertiary); }
.search-result-thumb img { width: 100%; height: 100%; object-fit: cover; }
.search-result-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; background: var(--gradient-card); }
.search-result-info { flex: 1; min-width: 0; }
.search-result-title { font-weight: 600; font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-result-meta { font-size: 0.82rem; color: var(--text-muted); display: flex; align-items: center; gap: 8px; margin-top: 2px; }
.search-result-badge {
    display: inline-block; padding: 2px 8px; font-size: 0.7rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.05em; border-radius: var(--radius-full);
    background: rgba(230,126,34,0.12); color: var(--accent-gold);
}
.search-result-badge.museu { background: rgba(155,89,182,0.12); color: var(--accent-purple); }
.search-result-badge.documento { background: rgba(41,128,185,0.12); color: var(--accent-cyan); }
.search-spinner { display: inline-block; width: 24px; height: 24px; border: 2px solid rgba(0,0,0,0.08); border-top-color: var(--accent-gold); border-radius: 50%; animation: spin 0.8s linear infinite; }
.search-loading, .search-empty { text-align: center; padding: 40px; color: var(--text-muted); }
.search-empty-icon { font-size: 3rem; margin-bottom: 12px; opacity: 0.5; }

/* ═══ HERO ═══ */
.hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; background: var(--bg-secondary); padding-top: var(--header-height);
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; }
.hero-gradient {
    position: absolute; inset: 0; z-index: 2; pointer-events: none;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(243,156,18,0.1) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(155,89,182,0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 50% 100%, rgba(255,255,255,0.8) 0%, transparent 40%);
}
.hero-content {
    position: relative; z-index: 5; display: flex; align-items: center; gap: 80px;
    width: 100%; max-width: var(--container-max); padding: 0 var(--container-padding);
}
.hero-text { flex: 1; max-width: 560px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 16px; font-size: 0.8rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent-gold);
    background: rgba(230,126,34,0.1); border: 1px solid rgba(230,126,34,0.25);
    border-radius: var(--radius-full); margin-bottom: 24px;
}
.hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-gold); animation: pulse-dot 2s ease infinite; }
.hero-title { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 900; line-height: 1.05; letter-spacing: -0.03em; margin-bottom: 20px; }
.hero-title .gradient-text {
    background: linear-gradient(135deg, #E67E22 0%, #F39C12 50%, #E67E22 100%);
    background-size: 200% auto;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    animation: shimmer-text 3s linear infinite;
}
.hero-description { font-size: 1.15rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 36px; }
.hero-stats { display: flex; gap: 32px; margin-bottom: 40px; }
.hero-stat { text-align: center; }
.hero-stat-number { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--accent-gold); line-height: 1; }
.hero-stat-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 4px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-book-wrapper { flex-shrink: 0; perspective: 1200px; }
.hero-book-3d { position: relative; width: 300px; height: 420px; transform-style: preserve-3d; animation: float-book 6s ease-in-out infinite; }
.hero-book-cover {
    width: 100%; height: 100%; border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: -20px 20px 60px rgba(0,0,0,0.15), 0 0 60px rgba(230,126,34,0.1);
    transform: rotateY(-15deg) rotateX(5deg);
    transition: transform var(--dur-slow) var(--ease-out);
}
.hero-book-cover img { width: 100%; height: 100%; object-fit: cover; }
.hero-book-cover .book-placeholder {
    width: 100%; height: 100%; background: var(--gradient-gold);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 30px; text-align: center;
}
.hero-book-cover .book-placeholder h3 { font-size: 1.5rem; color: var(--bg-primary); margin-bottom: 8px; }
.hero-book-cover .book-placeholder p { font-size: 0.9rem; color: rgba(10,10,15,0.7); }

.hero-slider { position: relative; width: 100%; min-height: 100vh; display: flex; align-items: center; }
.hero-slide {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    transition: all 0.8s var(--ease-out); opacity: 0; visibility: hidden; transform: scale(0.95);
}
.hero-slide.active { opacity: 1; visibility: visible; transform: scale(1); position: relative; }

.hero-slider-controls { position: absolute; bottom: 60px; left: 50%; transform: translateX(-50%); z-index: 10; display: flex; align-items: center; gap: 12px; }
.hero-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.2); cursor: pointer; transition: all var(--dur-normal) var(--ease-out); }
.hero-dot.active { width: 32px; border-radius: 4px; background: var(--accent-gold); }
.hero-arrow {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
    width: 48px; height: 48px; border-radius: var(--radius-full);
    background: rgba(255,255,255,0.9); border: var(--border-subtle);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); font-size: 1.3rem;
    transition: all var(--dur-fast) ease; backdrop-filter: blur(12px); box-shadow: var(--shadow-sm);
}
.hero-arrow:hover { background: rgba(230,126,34,0.1); color: var(--accent-gold); transform: translateY(-50%) scale(1.1); }
.hero-arrow.prev { left: 24px; }
.hero-arrow.next { right: 24px; }

.scroll-indicator {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 10;
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    animation: bounce-down 2s ease infinite;
}
.scroll-indicator-text { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--text-muted); }
.scroll-indicator-line { width: 1px; height: 30px; background: linear-gradient(to bottom, var(--accent-gold), transparent); }

/* ═══ SECTIONS ═══ */
.section { padding: 80px 0; position: relative; }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; flex-wrap: wrap; gap: 16px; }
.section-title { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; letter-spacing: -0.02em; }
.section-subtitle { font-size: 0.95rem; color: var(--text-muted); margin-top: 6px; }
.section-link { display: inline-flex; align-items: center; gap: 6px; font-size: 0.9rem; font-weight: 600; color: var(--accent-gold); transition: all var(--dur-fast) ease; }
.section-link:hover { gap: 10px; color: #FBBF24; }
.section-link svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }
.section-divider { width: 60px; height: 3px; background: var(--gradient-gold); border-radius: 2px; margin-top: 12px; }

/* ═══ ITEM CARDS ═══ */
.items-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 24px; }
.item-card {
    position: relative; border-radius: var(--radius-lg); overflow: hidden;
    background: var(--bg-card); border: var(--border-subtle);
    transition: all var(--dur-normal) var(--ease-out); cursor: pointer;
    opacity: 0; transform: translateY(30px);
}
.item-card.revealed { opacity: 1; transform: translateY(0); }
.item-card:hover { transform: translateY(-12px); background: var(--bg-card-hover); border-color: rgba(0,0,0,0.1); box-shadow: var(--shadow-lg); }
.item-card:hover .card-cover img { transform: scale(1.08); }
.item-card:hover .card-glow { opacity: 1; }

.card-glow { position: absolute; inset: -1px; border-radius: var(--radius-lg); opacity: 0; transition: opacity var(--dur-normal) ease; pointer-events: none; z-index: 0; }
.item-card.literatura .card-glow { box-shadow: 0 8px 40px rgba(230,126,34,0.15), inset 0 0 0 1px rgba(230,126,34,0.2); }
.item-card.museu .card-glow { box-shadow: 0 8px 40px rgba(155,89,182,0.15), inset 0 0 0 1px rgba(155,89,182,0.2); }
.item-card.documento .card-glow { box-shadow: 0 8px 40px rgba(41,128,185,0.15), inset 0 0 0 1px rgba(41,128,185,0.2); }

.card-cover { position: relative; aspect-ratio: 2/3; overflow: hidden; background: var(--bg-tertiary); }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
.card-placeholder {
    width: 100%; height: 100%; display: flex; flex-direction: column;
    align-items: center; justify-content: center; padding: 20px; text-align: center;
    font-weight: 600; font-size: 0.9rem; line-height: 1.3; color: #fff;
}
.item-card.literatura .card-placeholder { background: linear-gradient(135deg, rgba(230,126,34,0.85), rgba(211,84,0,0.7)); }
.item-card.museu .card-placeholder { background: linear-gradient(135deg, rgba(155,89,182,0.85), rgba(142,68,173,0.7)); }
.item-card.documento .card-placeholder { background: linear-gradient(135deg, rgba(41,128,185,0.85), rgba(36,113,163,0.7)); }

.card-badge {
    position: absolute; top: 12px; left: 12px; z-index: 3;
    padding: 4px 10px; font-size: 0.68rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.06em;
    border-radius: var(--radius-full); backdrop-filter: blur(8px);
}
.card-badge.literatura { background: rgba(230,126,34,0.9); color: #fff; border: 1px solid rgba(230,126,34,0.3); }
.card-badge.museu { background: rgba(155,89,182,0.9); color: #fff; border: 1px solid rgba(155,89,182,0.3); }
.card-badge.documento { background: rgba(41,128,185,0.9); color: #fff; border: 1px solid rgba(41,128,185,0.3); }

.card-info { padding: 16px; position: relative; z-index: 2; }
.card-title { font-family: var(--font-heading); font-size: 0.92rem; font-weight: 700; line-height: 1.3; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-author { font-size: 0.8rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Skeleton */
.skeleton-card { border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-card); border: var(--border-subtle); }
.skeleton-cover { aspect-ratio: 2/3; background: linear-gradient(90deg, var(--bg-tertiary) 25%, rgba(0,0,0,0.03) 50%, var(--bg-tertiary) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; }
.skeleton-info { padding: 16px; }
.skeleton-line { height: 12px; border-radius: 6px; background: linear-gradient(90deg, var(--bg-tertiary) 25%, rgba(0,0,0,0.03) 50%, var(--bg-tertiary) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; margin-bottom: 8px; }
.skeleton-line:last-child { width: 60%; margin-bottom: 0; }

/* ═══ CAROUSEL ═══ */
.carousel-section { position: relative; }
.carousel-track {
    display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory;
    scroll-behavior: smooth; scrollbar-width: none; padding: 8px 4px 16px; cursor: grab;
}
.carousel-track:active { cursor: grabbing; }
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track .item-card { flex: 0 0 200px; scroll-snap-align: start; opacity: 1; transform: none; }
.carousel-track .item-card:hover { transform: translateY(-12px); }

.carousel-btn {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
    width: 44px; height: 44px; border-radius: var(--radius-full);
    background: rgba(255,255,255,0.95); border: var(--border-glass);
    color: var(--text-primary); display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; transition: all var(--dur-fast) ease; backdrop-filter: blur(12px);
    box-shadow: var(--shadow-md); opacity: 0; pointer-events: none;
}
.carousel-section:hover .carousel-btn { opacity: 1; pointer-events: auto; }
.carousel-btn:hover { background: rgba(230,126,34,0.1); border-color: rgba(230,126,34,0.3); transform: translateY(-50%) scale(1.1); color: var(--accent-gold); }
.carousel-btn.prev { left: -8px; }
.carousel-btn.next { right: -8px; }

/* ═══ COLLECTION CARDS ═══ */
.collections-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.collection-card {
    position: relative; padding: 40px 32px; border-radius: var(--radius-xl);
    overflow: hidden; background: var(--bg-card); border: var(--border-subtle);
    transition: all var(--dur-normal) var(--ease-out); cursor: pointer; display: block;
}
.collection-card::before { content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity var(--dur-normal) ease; pointer-events: none; }
.collection-card.literatura::before { background: radial-gradient(ellipse at 30% 30%, rgba(230,126,34,0.08), transparent 70%); }
.collection-card.museu::before { background: radial-gradient(ellipse at 30% 30%, rgba(155,89,182,0.08), transparent 70%); }
.collection-card.documento::before { background: radial-gradient(ellipse at 30% 30%, rgba(41,128,185,0.08), transparent 70%); }
.collection-card:hover::before { opacity: 1; }
.collection-card:hover { transform: translateY(-8px); border-color: rgba(0,0,0,0.12); box-shadow: var(--shadow-lg); }

.collection-icon { width: 56px; height: 56px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin-bottom: 20px; }
.collection-card.literatura .collection-icon { background: rgba(230,126,34,0.12); }
.collection-card.museu .collection-icon { background: rgba(155,89,182,0.12); }
.collection-card.documento .collection-icon { background: rgba(41,128,185,0.12); }
.collection-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.collection-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; margin-bottom: 20px; }
.collection-count { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 900; line-height: 1; margin-bottom: 4px; }
.collection-card.literatura .collection-count { color: var(--col-literatura); }
.collection-card.museu .collection-count { color: var(--col-museu); }
.collection-card.documento .collection-count { color: var(--col-documento); }
.collection-count-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.collection-arrow {
    position: absolute; bottom: 32px; right: 32px; width: 40px; height: 40px;
    border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.04); transition: all var(--dur-fast) ease;
    font-size: 1.1rem; color: var(--text-muted);
}
.collection-card:hover .collection-arrow { background: rgba(230,126,34,0.12); color: var(--accent-gold); transform: translateX(4px); }

/* ═══ BUTTONS ═══ */
.btn-primary {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 28px; font-size: 0.95rem; font-weight: 600;
    color: var(--bg-primary); background: var(--gradient-gold);
    border: none; border-radius: var(--radius-full); cursor: pointer;
    transition: all var(--dur-normal) var(--ease-out); position: relative; overflow: hidden; text-decoration: none;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-glow-gold); }
.btn-secondary {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 28px; font-size: 0.95rem; font-weight: 600;
    color: var(--text-primary); background: rgba(0,0,0,0.03);
    border: var(--border-glass); border-radius: var(--radius-full);
    cursor: pointer; transition: all var(--dur-normal) var(--ease-out); text-decoration: none;
}
.btn-secondary:hover { background: rgba(230,126,34,0.08); border-color: rgba(230,126,34,0.3); color: var(--accent-gold); transform: translateY(-3px); }
.btn-glow { animation: glow-pulse 2s ease infinite; }
.btn-sm { padding: 8px 16px; font-size: 0.82rem; }
.btn-danger { background: linear-gradient(135deg, #F43F5E, #E11D48); color: white; }
.btn-danger:hover { box-shadow: 0 0 30px rgba(244,63,94,0.3); }

/* ═══ SINGLE PAGE ═══ */
.single-hero { position: relative; min-height: 50vh; padding: calc(var(--header-height) + 40px) 0 60px; overflow: hidden; }
.single-hero-bg { position: absolute; inset: 0; z-index: 0; }
.single-hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: blur(60px) brightness(1.2) saturate(0.6); transform: scale(1.2); }
.single-hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(255,255,255,0.7) 0%, var(--bg-primary) 100%); }
.single-hero-content { position: relative; z-index: 5; display: flex; gap: 60px; align-items: flex-start; }

.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 24px; flex-wrap: wrap; }
.breadcrumb a { color: var(--text-secondary); transition: color var(--dur-fast) ease; }
.breadcrumb a:hover { color: var(--accent-gold); }
.breadcrumb-sep { color: var(--text-muted); opacity: 0.5; }

.single-cover-wrap { flex-shrink: 0; perspective: 1000px; position: sticky; top: calc(var(--header-height) + 24px); }
.single-cover {
    width: 280px; height: 400px; border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-lg); transform-style: preserve-3d; transition: transform var(--dur-slow) var(--ease-out);
}
.single-cover img { width: 100%; height: 100%; object-fit: cover; }
.single-cover-placeholder {
    width: 100%; height: 100%; display: flex; flex-direction: column;
    align-items: center; justify-content: center; padding: 30px; text-align: center;
    font-size: 1.3rem; font-weight: 700; color: rgba(255,255,255,0.9);
}
.single-cover-placeholder.literatura { background: linear-gradient(135deg, rgba(230,126,34,0.85), rgba(211,84,0,0.7)); }
.single-cover-placeholder.museu { background: linear-gradient(135deg, rgba(155,89,182,0.85), rgba(142,68,173,0.7)); }
.single-cover-placeholder.documento { background: linear-gradient(135deg, rgba(41,128,185,0.85), rgba(36,113,163,0.7)); }

.single-detail { flex: 1; min-width: 0; }
.single-type-badge {
    display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px;
    font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.06em; border-radius: var(--radius-full); margin-bottom: 16px;
}
.single-type-badge.literatura { background: rgba(230,126,34,0.1); color: var(--accent-gold); border: 1px solid rgba(230,126,34,0.25); }
.single-type-badge.museu { background: rgba(155,89,182,0.1); color: var(--accent-purple); border: 1px solid rgba(155,89,182,0.25); }
.single-type-badge.documento { background: rgba(41,128,185,0.1); color: var(--accent-cyan); border: 1px solid rgba(41,128,185,0.25); }
.single-title { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; letter-spacing: -0.02em; margin-bottom: 8px; }
.single-author { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 24px; }
.single-author span { color: var(--accent-gold); font-weight: 600; }

.single-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.meta-chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; font-size: 0.82rem; background: rgba(0,0,0,0.03); border: var(--border-subtle); border-radius: var(--radius-full); color: var(--text-secondary); }

.single-content-block { padding: 32px; background: var(--bg-card); border: var(--border-subtle); border-radius: var(--radius-lg); margin-bottom: 24px; }
.single-content-block h2 { font-size: 1.2rem; font-weight: 700; margin-bottom: 16px; }
.single-content-block p { color: var(--text-secondary); line-height: 1.8; }

.single-cta { display: flex; justify-content: center; padding: 48px 0; }
.btn-read {
    display: inline-flex; align-items: center; gap: 12px;
    padding: 18px 40px; font-size: 1.1rem; font-weight: 700;
    color: var(--bg-primary); background: var(--gradient-gold);
    border: none; border-radius: var(--radius-full); cursor: pointer;
    text-decoration: none; transition: all var(--dur-normal) var(--ease-out);
    animation: glow-pulse 2s ease infinite;
}
.btn-read:hover { transform: translateY(-4px) scale(1.05); box-shadow: 0 4px 30px rgba(230,126,34,0.35); }

.related-section { padding: 60px 0 80px; border-top: var(--border-subtle); }

/* ═══ COLLECTION PAGE ═══ */
.page-hero { padding: calc(var(--header-height) + 48px) 0 48px; text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; pointer-events: none; }
.page-hero.literatura::before { background: radial-gradient(ellipse at 50% 0%, rgba(230,126,34,0.08) 0%, transparent 60%); }
.page-hero.museu::before { background: radial-gradient(ellipse at 50% 0%, rgba(155,89,182,0.08) 0%, transparent 60%); }
.page-hero.documento::before { background: radial-gradient(ellipse at 50% 0%, rgba(41,128,185,0.08) 0%, transparent 60%); }
.page-hero-icon { width: 72px; height: 72px; border-radius: var(--radius-lg); display: inline-flex; align-items: center; justify-content: center; font-size: 2rem; margin-bottom: 20px; }
.page-hero.literatura .page-hero-icon { background: rgba(230,126,34,0.12); }
.page-hero.museu .page-hero-icon { background: rgba(155,89,182,0.12); }
.page-hero.documento .page-hero-icon { background: rgba(41,128,185,0.12); }
.page-hero-title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; letter-spacing: -0.02em; margin-bottom: 12px; }
.page-hero-desc { font-size: 1.05rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto 32px; }

.count-badge { display: inline-flex; align-items: center; gap: 10px; padding: 12px 24px; font-size: 1rem; font-weight: 700; border-radius: var(--radius-full); margin-bottom: 32px; }
.count-badge.literatura { background: rgba(230,126,34,0.1); color: var(--col-literatura); border: 1px solid rgba(230,126,34,0.25); }
.count-badge.museu { background: rgba(155,89,182,0.1); color: var(--col-museu); border: 1px solid rgba(155,89,182,0.25); }
.count-badge.documento { background: rgba(41,128,185,0.1); color: var(--col-documento); border: 1px solid rgba(41,128,185,0.25); }

.filter-wrap { max-width: 480px; margin: 0 auto 48px; position: relative; }
.filter-wrap svg { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; stroke: var(--text-muted); fill: none; stroke-width: 2; }
.filter-input {
    width: 100%; padding: 14px 20px 14px 48px; font-size: 0.95rem;
    background: rgba(0,0,0,0.03); border: var(--border-glass);
    border-radius: var(--radius-full); color: var(--text-primary); outline: none;
    transition: all var(--dur-fast) ease;
}
.filter-input::placeholder { color: var(--text-muted); }
.filter-input:focus { border-color: rgba(230,126,34,0.5); box-shadow: 0 0 0 4px rgba(230,126,34,0.08); background: #fff; }

.filter-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-tab {
    padding: 10px 20px; font-size: 0.85rem; font-weight: 600;
    border-radius: var(--radius-full); background: rgba(0,0,0,0.03);
    border: var(--border-subtle); color: var(--text-secondary);
    cursor: pointer; transition: all var(--dur-fast) ease;
}
.filter-tab:hover { background: rgba(230,126,34,0.08); color: var(--accent-gold); }
.filter-tab.active { background: var(--gradient-gold); color: var(--bg-primary); border-color: transparent; }

.no-results { text-align: center; padding: 80px 20px; color: var(--text-muted); display: none; }
.no-results-icon { font-size: 4rem; margin-bottom: 16px; opacity: 0.4; }

/* ═══ FOOTER ═══ */
.site-footer { background: var(--bg-secondary); border-top: var(--border-subtle); padding: 60px 0 0; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand-title { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 800; background: var(--gradient-gold); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 12px; }
.footer-brand-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; max-width: 360px; }
.footer-heading { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-secondary); margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link { font-size: 0.9rem; color: var(--text-muted); transition: all var(--dur-fast) ease; display: inline-flex; align-items: center; gap: 6px; }
.footer-link:hover { color: var(--accent-gold); transform: translateX(4px); }
.footer-bottom { border-top: var(--border-subtle); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; }
.footer-copy { font-size: 0.82rem; color: var(--text-muted); }

/* ═══ ADMIN ═══ */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
    width: 260px; background: var(--bg-secondary); border-right: var(--border-subtle);
    padding: 24px 0; position: fixed; top: 0; bottom: 0; left: 0;
    display: flex; flex-direction: column; z-index: 100;
}
.admin-sidebar-brand { padding: 0 24px 24px; border-bottom: var(--border-subtle); margin-bottom: 16px; }
.admin-sidebar-nav { flex: 1; padding: 0 12px; }
.admin-nav-item {
    display: flex; align-items: center; gap: 12px; padding: 10px 16px;
    font-size: 0.9rem; color: var(--text-secondary); border-radius: var(--radius-md);
    transition: all var(--dur-fast) ease; margin-bottom: 2px; text-decoration: none;
}
.admin-nav-item:hover { background: rgba(0,0,0,0.04); color: var(--text-primary); }
.admin-nav-item.active { background: rgba(230,126,34,0.1); color: var(--accent-gold); }
.admin-nav-item svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; }
.admin-sidebar-footer { padding: 16px 24px; border-top: var(--border-subtle); }

.admin-main { margin-left: 260px; flex: 1; min-height: 100vh; }
.admin-header { height: 64px; border-bottom: var(--border-subtle); display: flex; align-items: center; justify-content: space-between; padding: 0 32px; background: var(--bg-primary); }
.admin-content { padding: 32px; }
.admin-page-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 24px; }

/* Admin Cards */
.admin-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 32px; }
.admin-stat-card { padding: 24px; background: var(--bg-card); border: var(--border-subtle); border-radius: var(--radius-lg); }
.admin-stat-value { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; margin-bottom: 4px; }
.admin-stat-label { font-size: 0.85rem; color: var(--text-muted); }

/* Admin Table */
.admin-table-wrap { background: var(--bg-card); border: var(--border-subtle); border-radius: var(--radius-lg); overflow: hidden; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { padding: 14px 20px; text-align: left; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); background: rgba(255,255,255,0.02); border-bottom: var(--border-subtle); }
.admin-table td { padding: 14px 20px; font-size: 0.9rem; border-bottom: var(--border-subtle); }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(0,0,0,0.02); }
.admin-table-thumb { width: 40px; height: 56px; border-radius: 6px; object-fit: cover; background: var(--bg-tertiary); }

/* Admin Form */
.admin-form { max-width: 720px; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.form-input, .form-textarea, .form-select {
    width: 100%; padding: 12px 16px; font-size: 0.9rem;
    background: #fff; border: var(--border-glass);
    border-radius: var(--radius-md); color: var(--text-primary); outline: none;
    transition: all var(--dur-fast) ease;
}
.form-input:focus, .form-textarea:focus, .form-select:focus { border-color: rgba(230,126,34,0.5); box-shadow: 0 0 0 3px rgba(230,126,34,0.1); }
.form-textarea { min-height: 120px; resize: vertical; }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B6B80' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
.form-select option { background: #fff; color: var(--text-primary); }
.form-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 0.78rem; color: var(--accent-rose); margin-top: 4px; }
.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent-gold); }
.form-actions { display: flex; gap: 12px; padding-top: 12px; }

.form-cover-preview { width: 120px; height: 170px; border-radius: var(--radius-md); overflow: hidden; background: var(--bg-tertiary); margin-bottom: 12px; }
.form-cover-preview img { width: 100%; height: 100%; object-fit: cover; }

/* Login page */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg-secondary); }
.login-card { width: 100%; max-width: 400px; padding: 40px; background: var(--bg-card); border: var(--border-glass); border-radius: var(--radius-xl); }
.login-title { font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: 8px; }
.login-subtitle { font-size: 0.9rem; color: var(--text-muted); text-align: center; margin-bottom: 32px; }
.login-error { background: rgba(231,76,60,0.08); border: 1px solid rgba(231,76,60,0.25); color: var(--accent-rose); padding: 10px 16px; border-radius: var(--radius-md); font-size: 0.85rem; margin-bottom: 20px; }

/* Pagination — Laravel Tailwind default */
nav[role="navigation"] { display: flex; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
nav[role="navigation"] > div:first-child { display: none; }
nav[role="navigation"] > div:last-child {
    display: flex !important; align-items: center; justify-content: center; width: 100%; gap: 8px; flex-wrap: wrap;
}
nav[role="navigation"] > div:last-child > div:first-child { display: none; }
nav[role="navigation"] > div:last-child > div:last-child { display: flex; }
nav[role="navigation"] span.inline-flex { display: inline-flex; align-items: center; gap: 2px; }
nav[role="navigation"] a, nav[role="navigation"] span > span,
nav[role="navigation"] span[aria-disabled] > span {
    display: inline-flex !important; align-items: center; justify-content: center;
    padding: 8px 14px; font-size: 0.85rem; border-radius: var(--radius-sm);
    border: 1px solid rgba(0,0,0,0.1); color: var(--text-secondary);
    background: rgba(0,0,0,0.02);
    transition: all var(--dur-fast) ease; min-width: 38px;
    margin: 0; line-height: 1;
    cursor: pointer; text-decoration: none;
}
nav[role="navigation"] span[aria-disabled] > span { opacity: 0.4; cursor: not-allowed; }
nav[role="navigation"] a:hover { background: rgba(230,126,34,0.08); color: var(--accent-gold); }
nav[role="navigation"] span[aria-current="page"] > span {
    background: var(--gradient-gold); color: var(--bg-primary); border-color: transparent; font-weight: 600;
}
nav[role="navigation"] svg { width: 16px; height: 16px; flex-shrink: 0; }
nav[role="navigation"] p.text-sm { display: none; }
/* Legacy .pagination class */
.pagination { display: flex; justify-content: center; gap: 4px; margin-top: 40px; }
.pagination a, .pagination span {
    padding: 8px 14px; font-size: 0.85rem; border-radius: var(--radius-sm);
    border: var(--border-subtle); color: var(--text-secondary);
    transition: all var(--dur-fast) ease;
}
.pagination a:hover { background: rgba(230,126,34,0.08); color: var(--accent-gold); }
.pagination .active span { background: var(--gradient-gold); color: var(--bg-primary); border-color: transparent; }

/* Alert / Flash */
.alert { padding: 14px 20px; border-radius: var(--radius-md); margin-bottom: 24px; font-size: 0.9rem; }
.alert-success { background: rgba(39,174,96,0.08); border: 1px solid rgba(39,174,96,0.25); color: var(--accent-green); }
.alert-error { background: rgba(231,76,60,0.08); border: 1px solid rgba(231,76,60,0.25); color: var(--accent-rose); }

/* Back link */
.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 24px; transition: all var(--dur-fast) ease; }
.back-link:hover { color: var(--accent-gold); gap: 10px; }

/* ═══ ANIMATIONS ═══ */
@keyframes shimmer-text { 0% { background-position: -200% center; } 100% { background-position: 200% center; } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes float-book { 0%, 100% { transform: translateY(0) rotateY(-15deg) rotateX(5deg); } 50% { transform: translateY(-20px) rotateY(-12deg) rotateX(3deg); } }
@keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.7); } }
@keyframes glow-pulse { 0%, 100% { box-shadow: 0 2px 16px rgba(230,126,34,0.2); } 50% { box-shadow: 0 4px 28px rgba(230,126,34,0.3); } }
@keyframes bounce-down { 0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); } 40% { transform: translateX(-50%) translateY(10px); } 60% { transform: translateX(-50%) translateY(5px); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes searchResultIn { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }

/* Reveal */
.reveal { opacity: 0; transform: translateY(40px); transition: all var(--dur-slow) var(--ease-out); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-scale { opacity: 0; transform: scale(0.9); transition: all var(--dur-slow) var(--ease-out); }
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1024px) {
    .hero-content { flex-direction: column-reverse; text-align: center; gap: 48px; }
    .hero-text { max-width: 100%; }
    .hero-stats { justify-content: center; }
    .hero-actions { justify-content: center; }
    .hero-book-3d { width: 220px; height: 308px; }
    .collections-grid { grid-template-columns: 1fr; }
    .single-hero-content { flex-direction: column; align-items: center; text-align: center; }
    .single-cover-wrap { position: static; }
    .single-meta { justify-content: center; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .admin-sidebar { display: none; }
    .admin-main { margin-left: 0; }
}

@media (max-width: 768px) {
    :root { --container-padding: 16px; --header-height: 64px; }
    .header-nav {
        position: fixed; inset: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(24px);
        flex-direction: column; align-items: center; justify-content: center; gap: 16px;
        opacity: 0; visibility: hidden; transition: all var(--dur-normal) var(--ease-out); z-index: 999;
    }
    .header-nav.active { opacity: 1; visibility: visible; }
    .header-nav .nav-link { font-size: 1.3rem; padding: 12px 24px; }
    .menu-toggle { display: flex; }
    .hero { min-height: auto; padding: calc(var(--header-height) + 40px) 0 60px; }
    .hero-book-3d { width: 180px; height: 252px; }
    .hero-arrow { display: none; }
    .items-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; }
    .carousel-track .item-card { flex: 0 0 160px; }
    .carousel-btn { display: none; }
    .section { padding: 48px 0; }
    .single-cover { width: 200px; height: 285px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2rem; }
    .hero-stats { gap: 20px; }
    .hero-stat-number { font-size: 1.5rem; }
    .items-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .card-info { padding: 12px; }
    .card-title { font-size: 0.82rem; }
    .card-author { font-size: 0.72rem; }
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.text-gradient { background: var(--gradient-gold); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }