/* =========================================================================
   VARIABLES & BASE STYLES
   ========================================================================= */
:root {
    --bg-color: #FDFBF7; /* Cream */
    --text-color: #522228; /* Burgundy/Dark Red */
    --accent-color: #7b4a50; /* Lighter Burgundy */
    --gray-color: #8c8c8c;
    --font-script: 'Kalam', cursive;
    --font-sans: 'Montserrat', sans-serif;
    --transition: 0.4s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

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

/* When the envelope overlay is active, lock scroll */
body.locked {
    overflow: hidden;
}

h1, h2, h3, .names {
    font-weight: normal;
}

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

ul {
    list-style: none;
}

.text-center {
    text-align: center;
}

/* =========================================================================
   PRELOADER / ENVELOPE (INTERACTIVE OPENING)
   ========================================================================= */
.envelope-preloader {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background-color: #f1ebd9;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 1s ease, visibility 1s ease;
}

.envelope-preloader.open {
    opacity: 0;
    visibility: hidden;
}

.envelope {
    position: relative;
    width: 320px;
    height: 220px;
    background: #e8dfc7;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.envelope::before, .envelope::after {
    content: '';
    position: absolute;
    width: 0; height: 0;
}

/* Flaps styling based on standard envelopes */
.envelope-flap {
    position: absolute;
    top: 0;
    left: 0;
    border-left: 160px solid transparent;
    border-right: 160px solid transparent;
    border-top: 130px solid #dcd1af;
    transform-origin: top;
    transition: transform 0.6s ease-in-out;
    z-index: 2;
}

.envelope.is-opening .envelope-flap {
    transform: rotateX(180deg);
}

.wax-seal {
    position: absolute;
    top: 100px;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    z-index: 3;
    transition: all 0.5s ease;
}

.wax-seal img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.envelope.is-opening .wax-seal {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.5);
}

.envelope-body {
    position: absolute;
    bottom: 20px;
    z-index: 10;
    pointer-events: none;
}

.pulse {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(82, 34, 40, 0.4);
    animation: animate-pulse 2s infinite;
}

@keyframes animate-pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(82, 34, 40, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 15px rgba(82, 34, 40, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(82, 34, 40, 0); }
}

/* =========================================================================
   NAVIGATION
   ========================================================================= */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    position: absolute;
    top: 0; left: 0; right: 0;
    z-index: 100;
}

.nav-brand {
    font-family: var(--font-script);
    font-size: 2rem;
    color: var(--text-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent-color);
    opacity: 0.7;
}

.btn-rsvp-nav {
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    padding: 8px 16px;
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-rsvp-nav:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

/* =========================================================================
   HERO SECTION
   ========================================================================= */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}

.hero-background {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 25% bottom; /* Shifting focus towards the left where the couple is */
}

/* Subtle fade over the watercolor image to ensure text is legible */
.hero-background .overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    /* Dark overlay for contrast over the whole image, then fading to cream at the very bottom edge */
    background: linear-gradient(to bottom, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.35) 85%, #FDFBF7 100%);
}

.hero-content {
    max-width: 600px;
    color: #ffffff;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.4);
}

.hero-content .subtitle {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 20px;
    color: #ffffff;
}

.hero-content .names {
    font-family: var(--font-script);
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-content .date {
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: 10px;
}

.hero-content .location-small {
    font-size: 0.9rem;
    font-weight: 300;
    margin-bottom: 40px;
}

.hero-content .btn-primary {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    border-radius: 30px;
    color: #ffffff;
    text-shadow: none;
}

.hero-content .btn-primary:hover {
    background: rgba(255, 255, 255, 0.35);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-primary {
    display: inline-block;
    background: var(--text-color);
    color: var(--bg-color);
    padding: 15px 35px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(82, 34, 40, 0.2);
}

/* =========================================================================
   COUNTDOWN SECTION
   ========================================================================= */
.countdown-section {
    padding: 80px 20px;
    background-color: var(--bg-color);
    text-align: center;
}

.countdown-title {
    font-family: var(--font-script);
    font-size: 4.5rem;
    color: var(--text-color);
    margin-bottom: 5px;
    line-height: 1.1;
}

.countdown-subtitle {
    font-family: var(--font-sans);
    color: var(--accent-color);
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: 50px;
}

.countdown-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.countdown-item {
    text-align: center;
    background-color: #ffffff;
    border-radius: 16px;
    padding: 25px 30px;
    box-shadow: 0 4px 15px rgba(82, 34, 40, 0.04);
}

.countdown-item span {
    display: block;
    font-family: var(--font-sans);
    font-size: 3.5rem;
    font-weight: 400;
    color: #4a788c;
    margin-bottom: 5px;
    line-height: 1;
}

.countdown-item p {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-color);
}

/* =========================================================================
   PHOTO SEPARATOR
   ========================================================================= */
.photo-separator {
    width: 100%;
    height: 60vh; /* A beautiful tall banner */
    max-height: 800px;
    min-height: 400px;
    overflow: hidden;
}

.photo-separator img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* =========================================================================
   DETAILS SECTION
   ========================================================================= */
.details-section {
    padding: 100px 20px;
    background-color: var(--bg-color);
}

.details-title {
    font-family: var(--font-sans);
    font-size: 3.5rem;
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: 5px;
}

.details-subtitle {
    font-family: var(--font-sans);
    color: var(--accent-color);
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: 50px;
}

.details-card {
    background-color: #ffffff;
    max-width: 500px;
    margin: 0 auto;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 5px 25px rgba(82, 34, 40, 0.05);
}

.details-image img {
    width: 100%;
    border-radius: 4px;
    object-fit: cover;
    margin-bottom: 25px;
}

.details-content {
    padding: 0 10px 10px;
    text-align: left;
}

.details-label {
    font-weight: 300;
    font-size: 1.3rem;
    color: var(--accent-color);
    margin-bottom: 5px;
    font-family: 'Times New Roman', Times, serif; /* Basic serif for elegant contrast */
}

.details-venue {
    font-weight: 500;
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 30px;
}

.details-list {
    margin-bottom: 40px;
}

.details-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.details-list li span {
    font-size: 0.95rem;
    color: var(--text-color);
}

.icon-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f1ebd9;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #4a788c;
    font-size: 1rem;
    flex-shrink: 0;
}

.details-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn-blue-solid, .btn-blue-outline {
    display: block;
    width: 100%;
    text-align: center;
    padding: 12px 10px;
    border-radius: 30px;
    font-size: 0.95rem;
    transition: var(--transition);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-blue-solid {
    background-color: #4a788c;
    color: #ffffff;
    border: 1px solid #4a788c;
}

.btn-blue-solid:hover {
    background-color: #3b5f6f;
    color: #ffffff;
}

.btn-blue-outline {
    background-color: transparent;
    border: 1px solid #4a788c;
    color: #4a788c;
}

.btn-blue-outline:hover {
    background-color: #f0f4f5;
}

/* =========================================================================
   PROGRAM SECTION (TIMELINE)
   ========================================================================= */
.program-section {
    padding: 100px 20px;
    background-color: #faf7f0; /* Slightly darker cream for contrast */
}

.timeline {
    max-width: 600px;
    margin: 60px auto 0;
    position: relative;
}

/* Vertical line */
.timeline::before {
    content: '';
    position: absolute;
    top: 0; left: 30px;
    height: 100%;
    width: 1px;
    background-color: rgba(82, 34, 40, 0.2);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 50px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item .time {
    font-weight: 500;
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.timeline-item .icon {
    position: absolute;
    top: 5px; left: 20px;
    width: 20px; height: 20px;
    background: #faf7f0;
    color: var(--text-color);
    text-align: center;
    border-radius: 50%;
    line-height: 20px;
    font-size: 1.2rem;
}

.timeline-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.timeline-item p {
    font-size: 0.9rem;
    color: var(--gray-color);
}



/* =========================================================================
   GIFTS SECTION
   ========================================================================= */
.gifts-section {
    padding: 100px 20px;
    text-align: center;
}

.gifts-content {
    max-width: 600px;
    margin: 0 auto;
}

.gifts-content p {
    color: var(--gray-color);
    margin-bottom: 30px;
}

.bank-details {
    background: #fff;
    padding: 30px;
    border: 1px dashed rgba(82, 34, 40, 0.3);
    margin-top: 20px;
}

/* =========================================================================
   RSVP SECTION (MINT STYLE)
   ========================================================================= */
.rsvp-section {
    padding: 80px 20px;
    background-color: #b5cfc7; /* Mint green from screenshot */
    text-align: center;
}

.rsvp-container {
    max-width: 500px;
    margin: 0 auto;
    background: transparent;
    box-shadow: none;
    padding: 0;
}

.rsvp-title {
    font-family: var(--font-main);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #4a5c56;
    margin-bottom: 30px;
    font-weight: 500;
}

.rsvp-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: left;
}

.rsvp-form .form-group {
    transition: opacity 0.4s ease, max-height 0.4s ease;
}

.rsvp-form .hidden {
    opacity: 0 !important;
    max-height: 0 !important;
    overflow: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

.rsvp-form .visible {
    opacity: 1 !important;
    max-height: 1000px !important;
    margin-bottom: 15px;
}

.rsvp-form input, 
.rsvp-form select, 
.rsvp-form textarea {
    width: 100%;
    padding: 16px 20px;
    border: none;
    border-radius: 4px;
    font-family: var(--font-main);
    font-size: 1rem;
    color: #555;
    background: #ffffff;
    outline: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.rsvp-form select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" width="14" height="10" viewBox="0 0 14 10"><polygon fill="%23666" points="7 10 0 0 14 0"/></svg>');
    background-repeat: no-repeat;
    background-position: right 20px top 50%;
    background-size: 10px auto;
    color: #666;
}

.rsvp-form input:focus, 
.rsvp-form select:focus, 
.rsvp-form textarea:focus {
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.rsvp-form textarea {
    min-height: 120px;
    resize: vertical;
}

.rsvp-form .form-helper {
    font-size: 0.85rem;
    color: #4a5c56;
    font-style: italic;
    margin-top: -10px;
    margin-bottom: 5px;
    padding-left: 5px;
}

.btn-rsvp-submit {
    background: #ffffff;
    color: #333;
    border: none;
    border-radius: 30px;
    padding: 14px 30px;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 4px;
    float: right;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    align-self: flex-end;
    margin-top: 10px;
}

.btn-rsvp-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.1);
}

.rsvp-form::after {
    content: "";
    display: table;
    clear: both;
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.main-footer {
    background-color: var(--text-color); /* Elegant Burgundy */
    padding: 30px 20px;
    text-align: center;
}

.footer-credits {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: rgba(253, 251, 247, 0.6); /* Soft cream for subtle text */
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin: 0;
}

.footer-credits i {
    margin: 0 5px;
    font-size: 0.8rem;
    color: rgba(253, 251, 247, 0.8);
}

.footer-credits a {
    color: var(--bg-color); /* Full bright cream for the name */
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
    letter-spacing: 2px;
}

.footer-credits a:hover {
    color: #e8dfc7; /* Muted cream on hover */
    text-shadow: 0 0 8px rgba(232, 223, 199, 0.4);
}

/* =========================================================================
   ANIMATIONS & REVEALS
   ========================================================================= */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

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

/* =========================================================================
   RESPONSIVE DESIGN (MOBILE)
   ========================================================================= */
@media (max-width: 900px) {
    .navbar {
        display: none; /* Hide top bar completely on small screens */
    }

    .hero-content .names {
        font-size: 4rem;
    }

    }

    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-item .icon {
        left: 10px;
    }
}

/* Tablets and small screens */
@media (max-width: 768px) {
    .hero-content .names {
        font-size: 4.5rem;
    }
    
    .section-title {
        font-size: 3rem;
    }

    .countdown-container {
        display: flex;
        flex-wrap: nowrap;
        gap: 15px;
    }
    
    .countdown-item {
        padding: 20px 10px;
        flex: 1;
    }

    .countdown-item span {
        font-size: 2.2rem;
    }

    .countdown-title {
        font-size: 3.5rem;
    }

    .rsvp-container {
        padding: 40px 20px;
    }
    
    .rsvp-section .names {
        font-size: 2.8rem;
    }
}

/* Mobile phones (portrait) */
@media (max-width: 480px) {
    .envelope {
        width: 90%; /* Scale down envelope to fit small screens */
        height: auto;
        aspect-ratio: 16 / 11;
    }
    
    .envelope-flap {
        border-left: 45vw solid transparent;
        border-right: 45vw solid transparent;
        border-top: 100px solid #dcd1af;
    }

    .hero-content .names {
        font-size: 3.5rem;
    }
    
    .hero-content .date {
        font-size: 1rem;
    }
    
    /* To prevent the title from wrapping on small screens */
    .countdown-title {
        font-size: 2.8rem;
    }
    
    .details-title, .section-title {
        font-size: 2.8rem;
    }

    .photo-separator {
        height: 50vh;
        min-height: 300px;
    }

    .details-section, .program-section, .gifts-section, .rsvp-section {
        padding: 60px 15px;
    }

    .countdown-container {
        display: flex;
        flex-wrap: nowrap;
        gap: 8px;
    }

    .countdown-item {
        padding: 12px 2px;
        border-radius: 8px;
        flex: 1;
    }

    .countdown-item span {
        font-size: 1.5rem;
    }
    
    .countdown-item p {
        font-size: 0.55rem;
        letter-spacing: 0.5px;
    }

    .navbar {
        padding: 15px 20px;
    }

    .timeline-item h4 {
        font-size: 1rem;
    }

    .timeline-item p {
        font-size: 0.85rem;
    }

    .rsvp-container {
        padding: 30px 15px;
    }

    .rsvp-section .names {
        font-size: 2.5rem;
    }
}