/* 
   Amber Umami Gallery - Global Styles
   Brand: 《琥珀食境・米其林藝廊 Amber Umami Gallery》
*/

:root {
    --color-amber: #A67C52;
    --color-black: #121212;
    --color-white: #FAF9F6;
    --color-gray: #2A2A2A;
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Montserrat', sans-serif;
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
body {
    background-color: var(--color-black);
    color: var(--color-white);
    font-family: var(--font-sans);
    line-height: 1.8;
    overflow-x: hidden;
    letter-spacing: 0.05em;
}

h1, h2, h3, h4, h5, h6, .serif {
    font-family: var(--font-serif);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

a {
    color: var(--color-amber);
    text-decoration: none;
    transition: var(--transition-slow);
}

a:hover {
    color: var(--color-white);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--color-black);
}
::-webkit-scrollbar-thumb {
    background: var(--color-amber);
}

/* Loading Progress Bar (Wine Pouring Animation) */
#loading-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(to right, #722F37, #A67C52);
    z-index: 9999;
    transition: width 0.4s ease;
}

/* Navigation */
.navbar {
    padding: 2rem 0;
    background: transparent;
    transition: background 0.5s ease;
}

.navbar.scrolled {
    background: rgba(18, 18, 18, 0.95);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(166, 124, 82, 0.2);
}

.nav-link {
    color: var(--color-white) !important;
    font-size: 0.9rem;
    margin: 0 1.5rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-amber);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(18, 18, 18, 0.6);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
}

.hero-slogan {
    font-size: 1.2rem;
    color: var(--color-amber);
    opacity: 0;
    transform: translateY(20px);
}

/* Floating Reserve Button */
.float-reserve {
    position: fixed;
    right: 40px;
    bottom: 40px;
    z-index: 100;
    background: var(--color-amber);
    color: var(--color-white);
    padding: 1.2rem 2.5rem;
    border-radius: 0;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.8rem;
    border: 1px solid var(--color-amber);
    transition: all 0.4s ease;
}

.float-reserve:hover {
    background: transparent;
    color: var(--color-amber);
}

/* Section Spacing */
section {
    padding: 120px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title .divider {
    width: 60px;
    height: 1px;
    background: var(--color-amber);
    margin: 0 auto;
}

/* Footer */
footer {
    background: #0a0a0a;
    padding: 80px 0 40px;
    border-top: 1px solid rgba(166, 124, 82, 0.1);
}

.footer-logo {
    font-size: 1.5rem;
    color: var(--color-amber);
    margin-bottom: 2rem;
}

.footer-info p {
    font-size: 0.9rem;
    color: #888;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .float-reserve { right: 20px; bottom: 20px; padding: 1rem 1.5rem; }
}

/* Button Styles */
.btn-outline-amber {
    border-color: var(--color-amber);
    color: var(--color-amber);
    border-radius: 0;
    transition: all 0.3s ease;
}
.btn-outline-amber:hover {
    background-color: var(--color-amber);
    color: white;
}
.btn-amber {
    background-color: var(--color-amber);
    color: white;
    border-radius: 0;
    border: 1px solid var(--color-amber);
    transition: all 0.3s ease;
}
.btn-amber:hover {
    background-color: transparent;
    color: var(--color-amber);
}
.text-amber {
    color: var(--color-amber) !important;
}
.letter-spacing-2 {
    letter-spacing: 0.2em;
}