/* --- BIẾN MÀU & FONT --- */
:root {
    --gold: #d4af37;
    --dark: #1a1a1a;
    --cream: #f4f1ea;
    --grey: #888;
    
    --font-main: 'Quicksand', sans-serif;
    --font-heading: 'Cinzel', serif;
    --font-script: 'Pinyon Script', cursive;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-main); background: var(--cream); color: var(--dark); overflow-x: hidden; }

/* --- UTILS --- */
.container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.text-right { text-align: right; }
.text-left { text-align: left; }

/* --- ANIMATIONS CLASSES --- */
.scroll-reveal { opacity: 0; transform: translateY(50px); transition: 1s ease; }
.scroll-reveal.active { opacity: 1; transform: translateY(0); }
.from-left { transform: translateX(-50px); }
.from-right { transform: translateX(50px); }
.zoom-in { transform: scale(0.9); }
.scroll-reveal.active.from-left, .scroll-reveal.active.from-right { transform: translateX(0); }
.scroll-reveal.active.zoom-in { transform: scale(1); }

/* --- 1. WELCOME OVERLAY (FULL SCREEN) --- */
#welcome-overlay {
    position: fixed; inset: 0; z-index: 9999;
    background: var(--cream);
    display: flex; align-items: center; justify-content: center;
    transition: all 0.8s ease-in-out;
}
.overlay-content { text-align: center; }
.pre-title { font-family: var(--font-heading); letter-spacing: 5px; font-size: 0.9rem; text-transform: uppercase; margin-bottom: 10px; color: var(--grey); }
.main-names { font-family: var(--font-script); font-size: 4rem; color: var(--dark); margin-bottom: 40px; }

/* Nút tròn xoay */
.circle-btn {
    width: 100px; height: 100px; margin: 0 auto;
    position: relative; cursor: pointer; display: flex; align-items: center; justify-content: center;
    border-radius: 50%; background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}
.circle-btn:hover { transform: scale(1.1); }
.circle-btn i { font-size: 1.5rem; color: var(--gold); }
.text-circle { position: absolute; width: 100%; height: 100%; animation: spin 10s linear infinite; }
.text-circle text { font-family: var(--font-heading); font-size: 11px; letter-spacing: 2px; fill: var(--dark); text-transform: uppercase; }

/* --- 2. HERO SECTION --- */
.hero-section {
    height: 100vh; position: relative; overflow: hidden;
    display: flex; align-items: center; justify-content: center; text-align: center;
}
.hero-bg {
    position: absolute; inset: 0;
    background: url('https://images.unsplash.com/photo-1519741497674-611481863552?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') center/cover;
    filter: grayscale(30%); /* Làm màu ảnh trầm xuống sang trọng */
    transform: scale(1.1);
    animation: zoomEffect 20s infinite alternate;
}
@keyframes zoomEffect { to { transform: scale(1); } }
.hero-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.3); }
.hero-content { position: relative; z-index: 2; color: #fff; }

.date-display { font-family: var(--font-heading); letter-spacing: 10px; font-size: 1.2rem; margin-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.5); display: inline-block; padding-bottom: 10px; }
.big-title { line-height: 1.2; text-shadow: 0 5px 15px rgba(0,0,0,0.3); }
.block-text { display: block; font-family: var(--font-heading); font-size: 3.5rem; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; }
.script-text { font-family: var(--font-script); font-size: 4rem; color: var(--gold); margin: 10px 0; display: block; }
.sub-text { font-family: var(--font-main); letter-spacing: 3px; text-transform: uppercase; font-size: 0.9rem; margin-top: 30px; opacity: 0.8; }
.scroll-indicator {
    position: absolute; bottom: 30px; left: 50%; width: 1px; height: 60px; background: rgba(255,255,255,0.3);
    transform: translateX(-50%);
}
.scroll-indicator::after {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 50%;
    background: #fff; animation: dropDown 1.5s infinite;
}
@keyframes dropDown { 0% { top: -100%; } 100% { top: 100%; } }

/* --- 3. COUPLE SECTION (MAGAZINE STYLE) --- */
.couple-section { padding: 120px 0; background: var(--cream); }
.intro-text { text-align: center; max-width: 600px; margin: 0 auto 80px; }
.intro-text h2 { font-family: var(--font-script); font-size: 3.5rem; color: var(--gold); margin-bottom: 15px; }
.intro-text p { font-style: italic; color: var(--grey); line-height: 1.6; }

.couple-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.photo-frame { position: relative; overflow: hidden; }
.photo-frame img { width: 100%; height: auto; display: block; filter: sepia(10%); transition: 0.5s; }
.photo-frame:hover img { transform: scale(1.03); }
.frame-border { position: absolute; top: 15px; left: 15px; right: 15px; bottom: 15px; border: 1px solid rgba(255,255,255,0.4); pointer-events: none; }

.info-box h3 { font-family: var(--font-heading); font-size: 2.5rem; margin-bottom: 5px; text-transform: uppercase; }
.info-box .role { font-family: var(--font-script); font-size: 1.8rem; color: var(--gold); }

/* --- 4. EVENT SECTION --- */
.event-section { padding: 100px 0; background: #fff; }
.event-box { border: 1px solid #ddd; padding: 15px; max-width: 800px; margin: 0 auto; }
.event-border { border: 1px solid var(--gold); padding: 60px 40px; text-align: center; position: relative; }
.script-heading { font-family: var(--font-script); font-size: 3rem; color: var(--dark); margin-bottom: 40px; }
.event-info { display: flex; justify-content: center; align-items: center; margin-bottom: 40px; flex-wrap: wrap; }
.time-block .big-num { font-family: var(--font-heading); font-size: 3rem; font-weight: bold; }
.time-block .unit { font-size: 1rem; text-transform: uppercase; letter-spacing: 2px; }
.divider-vertical { width: 1px; height: 50px; background: var(--gold); margin: 0 40px; }
.date-block .day-name { display: block; font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 5px; }
.date-block .full-date { color: var(--grey); font-size: 0.9rem; letter-spacing: 1px; }

.location-block h3 { font-size: 1.2rem; margin-bottom: 10px; font-weight: 600; }
.location-block p { color: var(--grey); margin-bottom: 30px; }
.btn-gold {
    display: inline-block; padding: 12px 30px; background: var(--gold); color: #fff;
    text-decoration: none; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 2px;
    transition: 0.3s;
}
.btn-gold:hover { background: #b08d2b; }
.map-embed { margin-top: 40px; filter: grayscale(100%); transition: 0.3s; }
.map-embed:hover { filter: grayscale(0%); }

/* --- 5. COUNTDOWN --- */
.countdown-section {
    position: relative; padding: 120px 20px; text-align: center; color: #fff;
    background: url('https://images.unsplash.com/photo-1511285560982-1351cdeb9820?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') center/cover fixed;
}
.overlay-dark { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.countdown-content { position: relative; z-index: 2; }
.waiting-text { font-family: var(--font-script); font-size: 2.5rem; margin-bottom: 40px; }
.timer-flex { display: flex; justify-content: center; gap: 40px; }
.time-item span { font-family: var(--font-heading); font-size: 4rem; display: block; line-height: 1; }
.time-item label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; opacity: 0.8; }

/* --- MUSIC CONTROL (VINYL STYLE) --- */
.music-control {
    position: fixed; bottom: 30px; left: 30px; width: 50px; height: 50px; z-index: 100;
    cursor: pointer;
}
.vinyl-record {
    width: 100%; height: 100%; background: #111; border-radius: 50%;
    position: absolute; border: 2px solid rgba(255,255,255,0.1);
    animation: spin 3s linear infinite paused;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}
.vinyl-center {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 20px; height: 20px; background: var(--gold); border-radius: 50%;
    border: 2px solid #fff;
}
.music-control.playing .vinyl-record { animation-play-state: running; }
.icon-note {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    color: #fff; font-size: 12px; pointer-events: none;
}

/* --- FOOTER --- */
.footer { background: #fff; padding: 60px 20px; text-align: center; font-family: var(--font-heading); }
.footer h2 { margin-bottom: 10px; font-size: 1.5rem; }
.footer p { color: var(--grey); font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase; }

/* --- MOBILE --- */
@media (max-width: 768px) {
    .block-text { font-size: 2.2rem; }
    .script-text { font-size: 3rem; }
    .couple-grid { grid-template-columns: 1fr; gap: 40px; }
    .groom-col { display: flex; flex-direction: column-reverse; } /* Đảo ngược để ảnh luôn ở trên info */
    .text-right, .text-left { text-align: center; }
    .info-box { margin-bottom: 15px; }
    .timer-flex { gap: 15px; }
    .time-item span { font-size: 2.5rem; }
}

@keyframes spin { 100% { transform: rotate(360deg); } }