/* 
   Elite Crest Concierge - Global Styles
   Brand: 御璽雲管・私人會所物業
   Colors: #111111 (Obsidian Black), #FAFAFA (Snow White), #C5A059 (Champagne Gold)
*/

:root {
    --color-primary: #111111;
    --color-secondary: #FAFAFA;
    --color-accent: #C5A059;
    --color-accent-hover: #b38f4d;
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Montserrat', 'Noto Sans TC', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

body {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    font-family: var(--font-sans);
    line-height: 1.8;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6, .brand-font {
    font-family: var(--font-serif);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.text-gold { color: var(--color-accent); }
.bg-obsidian { background-color: var(--color-primary); color: var(--color-secondary); }

/* Marble Texture Overlay */
.marble-bg {
    position: relative;
}
.marble-bg::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: url('https://www.transparenttextures.com/patterns/marble-white.png');
    opacity: 0.05;
    pointer-events: none;
    z-index: 0;
}

/* Gold Border & Accents */
.border-gold { border: 1px solid var(--color-accent) !important; }
.border-bottom-gold { border-bottom: 2px solid var(--color-accent); }

/* Buttons */
.btn-gold {
    background: linear-gradient(45deg, var(--color-accent), #e0c080);
    color: white;
    border: none;
    padding: 12px 30px;
    font-family: var(--font-serif);
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    z-index: 1;
}

.btn-gold::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: 0.5s;
    z-index: -1;
}

.btn-gold:hover::before {
    left: 100%;
}

.btn-gold:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(197, 160, 89, 0.3);
}

.btn-outline-gold {
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    background: transparent;
    padding: 10px 25px;
    transition: var(--transition-smooth);
}

.btn-outline-gold:hover {
    background: var(--color-accent);
    color: white;
}

/* Navbar */
.navbar {
    padding: 20px 0;
    transition: var(--transition-smooth);
    background: rgba(17, 17, 17, 0.95);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent) !important;
}

.nav-link {
    color: rgba(250, 250, 250, 0.8) !important;
    font-family: var(--font-serif);
    margin: 0 15px;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-accent) !important;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    position: relative;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(17,17,17,0.7), rgba(17,17,17,0.9));
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

/* Cards */
.elite-card {
    background: white;
    border: 1px solid rgba(197, 160, 89, 0.2);
    padding: 30px;
    transition: var(--transition-smooth);
    height: 100%;
}

.elite-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

/* Footer */
footer {
    background: var(--color-primary);
    color: #888;
    padding: 80px 0 40px;
}

footer h5 { color: var(--color-accent); margin-bottom: 25px; }
footer a { color: #888; text-decoration: none; transition: var(--transition-smooth); }
footer a:hover { color: var(--color-accent); }

/* Animations */
.fade-in-up {
    animation: fadeInUp 1s ease forwards;
}

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