:root {
    --forest-green: #013220;
    --charcoal: #1a1a1a;
    --gold: #c5a059;
    --off-white: #f9f9f9;
}

* { margin:0; padding:0; box-sizing: border-box; }
body { font-family: 'Montserrat', sans-serif; background: var(--off-white); color: var(--charcoal); overflow-x: hidden; }

/* HEADER */
.main-nav { 
    position: fixed; width:100%; padding: 25px 5%; display: flex; 
    justify-content: space-between; z-index: 1000; background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px); color: white; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.logo { font-family: 'Playfair Display', serif; font-size: 1.4rem; letter-spacing: 2px; }
.nav-links a { color: white; text-decoration: none; margin-right: 25px; font-size: 0.8rem; letter-spacing: 1px; }

/* HERO */
.hero-banner { 
    height: 100vh; background: url('https://images.unsplash.com/photo-1545324418-cc1a3fa10c00?auto=format&fit=crop&w=1600') center/cover;
    display: flex; align-items: center; justify-content: center; position: relative; text-align: center; color: white;
}
.hero-overlay { position: absolute; top:0; left:0; width:100%; height:100%; background: linear-gradient(to bottom, rgba(1, 50, 32, 0.7), rgba(26,26,26,0.8)); }
.hero-text { position: relative; z-index: 10; }
h1 { font-family: 'Playfair Display', serif; font-size: 4.5rem; line-height: 1.1; margin: 20px 0; }

/* AMENITIES MOSAIC */
.amenities-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 10px; height: 80vh; }
.grid-item { background-size: cover; background-position: center; position: relative; display: flex; align-items: flex-end; padding: 30px; }
.tall { grid-row: span 2; }
.grid-overlay { position: absolute; top:0; left:0; width:100%; height:100%; background: rgba(0,0,0,0.3); transition: 0.5s; }
.grid-item span { position: relative; color: white; font-family: 'Playfair Display'; font-size: 1.8rem; }
.grid-item:hover .grid-overlay { background: rgba(1, 50, 32, 0.6); }

/* STICKY CTA */
.sticky-cta { position: fixed; bottom: 0; width: 100%; background: var(--forest-green); display: flex; z-index: 2000; }
.sticky-cta a { flex: 1; text-align: center; padding: 15px; color: white; text-decoration: none; border-right: 1px solid rgba(255,255,255,0.1); font-size: 0.9rem; }
.wa-btn { background: #25d366; }

/* BUTTONS */
.btn-gold { background: var(--gold); color: white; padding: 15px 40px; border: none; cursor: pointer; text-transform: uppercase; letter-spacing: 2px; font-weight: 600; margin-top: 20px; }


/* Fix for Section Spacing and Typography */
.concept-section {
    padding: 80px 5%;
    background-color: #ffffff;
}

.text-block h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.8rem;
    margin: 10px 0 20px 0;
    line-height: 1.2;
}

.text-block p {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.8;
    color: #555;
    max-width: 600px;
}

/* Fix for Floor Plan Tabs */
.tab-btn {
    padding: 10px 20px;
    border: 1px solid #c5a059; /* Gold border */
    background: transparent;
    cursor: pointer;
    margin-right: 10px;
    font-family: 'Montserrat', sans-serif;
    transition: 0.3s;
}

.tab-btn.active {
    background: #c5a059;
    color: white;
}