body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg,#0B1D2D,#123A5C);
    color: white;
    position: relative;
    overflow-x: hidden;
}

/* WATERMARK */

.watermark {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-30deg);
    font-size: 80px;
    font-weight: 700;
    color: rgba(255,255,255,0.03);
    pointer-events: none;
    white-space: nowrap;
    z-index: 0;
}

/* BRAND HEADER */

.brand-header {
    text-align: center;
    padding: 40px 20px 20px;
    position: relative;
    z-index: 2;
}

.brand-logo {
    width: 100px;
    margin-bottom: 15px;
}

.brand-title {
    font-size: 20px;
    letter-spacing: 2px;
    margin-bottom: 15px;
    color: #D4AF37;
}

.gold-divider {
    width: 80px;
    height: 3px;
    margin: 0 auto 20px;
    background: linear-gradient(90deg,#D4AF37,#F6D77A);
}

/* HERO */

.hero {
    text-align: center;
    padding: 40px 20px 20px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 42px;
}

.hero span {
    background: linear-gradient(45deg,#D4AF37,#F6D77A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    margin-top: 15px;
    color: #EDE5D8;
}

/* DEMO GRID */

.demo-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
    gap: 25px;
    padding: 60px 8% 120px;
    max-width: 1100px;
    margin: auto;
    position: relative;
    z-index: 2;
}

.card {
    background: rgba(255,255,255,0.08);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: 0.4s ease;
    border: 1px solid rgba(255,255,255,0.1);
}

.card:hover {
    transform: translateY(-8px);
    background: #D4AF37;
    color: black;
    box-shadow: 0 15px 30px rgba(212,175,55,0.4);
}