:root {
    --bg-color: #000000;
    --card-bg: #161617;
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f5f5f7;
    --text-secondary: #86868b;
    --accent-blue: #0071e3;
    --accent-orange: #f56300;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Nav */
nav {
    position: sticky;
    top: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

.brand {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 120px 24px 60px;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(48px, 8vw, 84px);
    font-weight: 700;
    letter-spacing: -2px;
    line-height: 1.05;
    background: linear-gradient(180deg, #ffffff 0%, #86868b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 18px;
}

.hero p {
    font-size: clamp(18px, 3vw, 24px);
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: -0.3px;
}

/* Catalog Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto 120px;
    padding: 0 24px;
}

.card {
    background: var(--card-bg);
    border-radius: 28px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--card-border);
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.3s;
}

.card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.card .breed-badge {
    color: var(--accent-orange);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.card h2 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.card .meta {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

.card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 18px;
    margin: 24px 0;
    background: #242426;
}

.card .headline {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.45;
    margin-bottom: 24px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 20px;
}

.card-footer .price {
    font-size: 26px;
    font-weight: 600;
}

.adopt-btn {
    background: var(--accent-blue);
    color: #fff;
    padding: 10px 24px;
    border-radius: 980px;
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.adopt-btn:hover {
    opacity: 0.9;
}

/* Apple Slide-Over Checkout Drawer */
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: none;
    z-index: 200;
}

.drawer {
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    width: 100%;
    max-width: 440px;
    background: #1c1c1e;
    z-index: 201;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
    padding: 32px 24px;
    overflow-y: auto;
}

.drawer.open {
    transform: translateX(0);
}

.form-group {
    margin-top: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 14px;
    background: #2c2c2e;
    border: 1px solid #3a3a3c;
    border-radius: 10px;
    color: #fff;
    font-size: 15px;
    outline: none;
}