/* =========================================
   COUGHFEE SHOP - MASTER THEME
========================================= */

:root {
    --bg-dark: #121212;        /* Deep, hazy charcoal */
    --bg-card: #1E1E1E;        /* Slightly lighter for product cards */
    --espresso: #3E2723;       /* Rich roasted coffee brown */
    --crema: #E6D5B8;          /* Light coffee foam for text */
    --smoke-grey: #9CA3AF;     /* Muted grey for subtext */
    --neon-green: #00E676;     /* Vape/Smoke glowing accent */
    --urgent-red: #EF4444;     /* For 18+ warnings */
    --shadow-glow: 0 0 15px rgba(0, 230, 118, 0.15);
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--crema);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

h1, h2, h3 {
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0;
    color: #FFFFFF;
}

a {
    text-decoration: none;
    color: var(--neon-green);
    transition: all 0.3s ease;
}

a:hover {
    text-shadow: var(--shadow-glow);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- NAVIGATION --- */
nav {
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #333;
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--crema);
    letter-spacing: 3px;
}

.logo span {
    color: var(--neon-green);
}

.nav-links a {
    margin-left: 2rem;
    color: var(--smoke-grey);
    font-weight: 600;
    font-size: 0.9rem;
}

.nav-links a:hover {
    color: var(--neon-green);
}

/* --- HERO SECTION --- */
.hero {
    text-align: center;
    padding: 8rem 1rem;
    background: radial-gradient(circle at center, var(--espresso) 0%, var(--bg-dark) 70%);
    border-bottom: 1px solid #222;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 1rem;
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.25rem;
    color: var(--smoke-grey);
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
}

.btn-neon {
    background-color: transparent;
    color: var(--neon-green);
    border: 2px solid var(--neon-green);
    padding: 0.8rem 2rem;
    border-radius: 4px;
    font-size: 1.1rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-glow);
    display: inline-block;
}

.btn-neon:hover {
    background-color: var(--neon-green);
    color: var(--bg-dark);
    box-shadow: 0 0 25px rgba(0, 230, 118, 0.4);
}

/* --- PRODUCT CATEGORIES --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 5rem 0;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid #333;
    border-radius: 8px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-green);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--crema);
}

.card h3 {
    color: var(--crema);
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--smoke-grey);
    font-size: 0.95rem;
}

/* --- WARNING BANNER --- */
.age-warning {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--urgent-red);
    color: var(--crema);
    text-align: center;
    padding: 1rem;
    margin-top: 3rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.age-warning strong {
    color: var(--urgent-red);
}

/* --- FOOTER --- */
footer {
    text-align: center;
    padding: 4rem 1rem 2rem 1rem;
    color: var(--smoke-grey);
    font-size: 0.85rem;
    border-top: 1px solid #222;
    margin-top: 2rem;
    background-color: #0A0A0A;
}