/* --- Root Variables & Styling --- */
:root {
    --gold-primary: #D4AF37;
    --gold-light: #F3E5AB;
    --gold-dark: #AA771C;
    --bg-dark: #0B0A08;
    --bg-card: rgba(18, 16, 12, 0.85);
    --text-light: #F4F1EA;
    --font-title: 'Cinzel', serif;
    --font-script: 'Pinyon Script', cursive;
    --font-body: 'Montserrat', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Prevent scrolling while envelope overlay is open */
body.no-scroll {
    overflow: hidden;
}

/* Gold Gradient Text Utility */
.gold-text {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-primary) 50%, var(--gold-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- Envelope Overlay --- */
.envelope-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #070605;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 1s ease, visibility 1s ease;
    perspective: 1000px;
}

.envelope-overlay.hide {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.envelope-wrapper {
    position: relative;
    cursor: pointer;
    text-align: center;
}

/* Envelope Outer Box */
.envelope {
    position: relative;
    width: 320px;
    height: 220px;
    background: #181510;
    border-radius: 6px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.8), 0 0 15px rgba(212, 175, 55, 0.2);
    border: 1px solid rgba(212, 175, 55, 0.3);
    margin-bottom: 25px;
    transition: transform 0.3s ease;
}

.envelope-wrapper:hover .envelope {
    transform: translateY(-5px);
}

/* Envelope Top Flap */
.envelope-flap {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border-left: 160px solid transparent;
    border-right: 160px solid transparent;
    border-top: 120px solid #231f18;
    transform-origin: top;
    transition: transform 0.6s ease;
    z-index: 3;
}

.envelope-greeting {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    text-align: center;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-light);
    font-family: var(--font-body);
    z-index: 5;
    pointer-events: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.envelope-wrapper.open .envelope-flap {
    transform: rotateX(180deg);
    z-index: 1;
}

/* Inner Pocket Styling */
.envelope-pocket {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 0;
    border-left: 160px solid #1a1712;
    border-right: 160px solid #1a1712;
    border-bottom: 110px solid #14120e;
    border-radius: 0 0 6px 6px;
    z-index: 2;
}

/* Gold Wax Seal */
.wax-seal {
    position: absolute;
    top: 100px;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 55px;
    height: 55px;
    background: radial-gradient(circle, var(--gold-light) 0%, var(--gold-primary) 60%, var(--gold-dark) 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    z-index: 4;
    font-family: var(--font-title);
    color: #000;
    font-weight: bold;
    font-size: 1.1rem;
    border: 2px dashed rgba(255, 255, 255, 0.4);
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.envelope-wrapper.open .wax-seal {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.5);
}

.click-hint {
    font-family: var(--font-title);
    font-size: 0.9rem;
    letter-spacing: 3px;
    color: var(--gold-light);
    text-transform: uppercase;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* --- Ambient Dust Particle Canvas --- */
#dust-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 1;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    background: radial-gradient(circle at center, rgba(30, 24, 12, 0.6) 0%, rgba(11, 10, 8, 0.95) 100%),
                url('https://images.unsplash.com/photo-1519741497674-611481863552?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    z-index: 2;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, var(--bg-dark), transparent);
}

.subtitle {
    font-family: var(--font-script);
    font-size: 2.5rem;
    color: var(--gold-light);
    letter-spacing: 1px;
    margin-bottom: 10px;
    animation: fadeIn 2s ease-in-out;
}

.names {
    font-family: var(--font-title);
    font-size: clamp(2.5rem, 6vw, 5rem);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 10px;
    animation: fadeIn 2.5s ease-in-out;
}

.guest-invite-text {
    font-size: 0.85rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold-light);
    margin-top: 15px;
}

.guest-name-display {
    font-family: var(--font-script);
    font-size: clamp(2rem, 4vw, 3.5rem);
    color: #ffffff;
    margin-bottom: 20px;
}

.date-location {
    font-size: 1rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #d1c7b7;
    margin-bottom: 30px;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gold-primary);
    animation: bounce 2s infinite;
}

/* --- Section Styling --- */
section {
    position: relative;
    z-index: 2;
    padding: 100px 20px;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.section-title {
    font-family: var(--font-title);
    font-size: 2.2rem;
    margin-bottom: 15px;
    letter-spacing: 3px;
}

.divider {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
    margin: 0 auto 40px auto;
}

/* --- Story Section --- */
.story-card {
    background: var(--bg-card);
    border: 1px solid rgba(212, 175, 55, 0.2);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    font-weight: 300;
    font-size: 1.1rem;
    color: #e0d7c6;
}

/* --- Countdown Section --- */
.timer-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.timer-box {
    background: var(--bg-card);
    border: 1px solid var(--gold-primary);
    padding: 20px;
    min-width: 100px;
    border-radius: 4px;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.15);
}

.timer-number {
    font-family: var(--font-title);
    font-size: 2.5rem;
    color: var(--gold-light);
    display: block;
}

.timer-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #aaa;
}

/* --- Event Details Grid --- */
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.detail-card {
    background: var(--bg-card);
    border: 1px solid rgba(212, 175, 55, 0.2);
    padding: 30px;
    border-radius: 8px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.detail-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold-primary);
}

.detail-card h3 {
    font-family: var(--font-title);
    color: var(--gold-light);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* --- RSVP Form --- */
.rsvp-form {
    background: var(--bg-card);
    border: 1px solid rgba(212, 175, 55, 0.3);
    padding: 40px;
    border-radius: 8px;
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--gold-light);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 4px;
    color: #fff;
    font-family: var(--font-body);
    outline: none;
    transition: border 0.3s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--gold-primary);
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-dark));
    border: none;
    color: #000;
    font-family: var(--font-title);
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 4px;
    transition: opacity 0.3s ease;
}

.btn-submit:hover {
    opacity: 0.9;
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 40px 20px;
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: #666;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
    60% { transform: translateY(-4px); }
}