/* ===== BASE STYLES ===== */
@import url('shared.css');

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
}

body {
    font-family: 'Outfit', sans-serif;
    background: #f5f5f0;
    min-height: 100vh;
    color: #1a1a1a;
    position: relative;
    overflow-x: hidden;
}

/* Subtle gradient glows */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 600px 400px at 10% 20%, rgba(134, 239, 172, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 500px 350px at 85% 80%, rgba(253, 224, 71, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 400px 300px at 50% 50%, rgba(251, 207, 232, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Grain texture */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 1;
}

.page-wrapper {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* ===== HEADER ===== */
.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.back-link {
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #86efac 0%, #5eead4 25%, #fde047 50%, #fda4af 75%, #c4b5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 1.25rem;
    color: #666;
    font-weight: 400;
}

/* ===== CARDS GRID ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 1rem 0;
}

/* ===== CARD STYLES ===== */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    
    /* Staggered animation */
    opacity: 0;
    animation: fadeSlideIn 0.6s ease forwards;
    animation-delay: calc(var(--i) * 0.1s);
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.card:hover img {
    transform: scale(1.05);
}

.card img.small {
    height: 100px;
}

.card-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.code-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
    background: #1a1a1a;
    color: #86efac;
    border-radius: 4px;
    align-self: flex-start;
    font-weight: 500;
}

.card-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.card-body p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.5;
    margin: 0;
}

.card-body p strong {
    color: #1a1a1a;
    font-weight: 600;
}

.card-body hr {
    border: none;
    height: 1px;
    background: #eee;
    margin: 0.5rem 0;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: 'Outfit', sans-serif;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    margin-top: auto;
    
    /* Default button */
    background: #1a1a1a;
    color: #fff;
}

.btn:hover {
    background: #333;
    transform: translateY(-2px);
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

.btn-secondary {
    background: #f5f5f0;
    color: #1a1a1a;
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    background: #eee;
}

/* ===== :HAS() VARIATIONS ===== */

/* Fancy button - Mint theme */
.card:has(.btn-fancy) {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    border: 2px solid #86efac;
}

.card:has(.btn-fancy) .code-label {
    background: #166534;
    color: #dcfce7;
}

.btn-fancy {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.btn-fancy:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

/* Secondary title - Coral/Pink theme */
.card:has(h3.secondary) {
    background: linear-gradient(135deg, #fecdd3 0%, #fda4af 100%);
    border: 2px solid #fb7185;
}

.card:has(h3.secondary) .code-label {
    background: #9f1239;
    color: #fecdd3;
}

.card:has(h3.secondary) h3.secondary {
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 1.1rem;
}

/* Alternate paragraph - Dark teal theme */
.card:has(.alternate) {
    background: linear-gradient(135deg, #134e4a 0%, #0f766e 100%);
    border: 2px solid #14b8a6;
}

.card:has(.alternate) .code-label {
    background: #5eead4;
    color: #134e4a;
}

.card:has(.alternate) h3,
.card:has(.alternate) p {
    color: #f0fdfa;
}

.card:has(.alternate) p.alternate {
    color: #99f6e4;
}

.card:has(.alternate) .btn {
    background: #5eead4;
    color: #134e4a;
}

.card:has(.alternate) .btn:hover {
    background: #2dd4bf;
}

/* Special button - Yellow/Gold theme */
.card:has(.btn-special) {
    background: linear-gradient(135deg, #fef9c3 0%, #fde047 100%);
    border: 2px solid #facc15;
}

.card:has(.btn-special) .code-label {
    background: #854d0e;
    color: #fef9c3;
}

.btn-special {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
    border-radius: 20px;
}

.btn-special:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

/* Small image - Warm gradient theme */
.card:has(img.small) {
    background: linear-gradient(135deg, #c7d2fe 0%, #e9d5ff 50%, #fbcfe8 100%);
    border: 2px solid #a78bfa;
}

.card:has(img.small) .code-label {
    background: #6d28d9;
    color: #ede9fe;
}

/* Multiple buttons - Sky blue theme */
.card:has(.btn + .btn) {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    border: 2px solid #38bdf8;
}

.card:has(.btn + .btn) .code-label {
    background: #0369a1;
    color: #e0f2fe;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .page-wrapper {
        padding: 1rem;
    }
    
    .page-header {
        margin-bottom: 2rem;
    }
    
    h1 {
        font-size: clamp(3rem, 15vw, 5rem);
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== SELECTION ===== */
::selection {
    background: #86efac;
    color: #1a1a1a;
}