:root {
    /* Color Palette */
    --color-marfil: #F8F5F2;
    --color-champana: #F3E9DC;
    --color-rosa-suave: #E8CFC5;
    --color-dorado-suave: #C6A97A;
    --color-gris-calido: #6F6F6F;
    --color-white: #FFFFFF;
    --color-dark: #333333;

    /* Typography */
    --font-titles: 'Great Vibes', cursive;
    --font-text: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

body.no-scroll {
    overflow: hidden;
}

h1,
h2,
h3,
.caligraphic {
    font-family: var(--font-titles);
    font-weight: 400;
    color: var(--color-dorado-suave);
}

h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

section {
    padding: 6rem 2rem;
    position: relative;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

.btn-elegant {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: transparent;
    border: 1px solid var(--color-dorado-suave);
    color: var(--color-dorado-suave);
    font-family: var(--font-text);
    font-size: 1.1rem;
    text-decoration: none;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.4s ease;
    cursor: pointer;
    background-image: linear-gradient(to right, var(--color-champana) 50%, transparent 50%);
    background-size: 200% 100%;
    background-position: right bottom;
}

.btn-elegant:hover {
    background-position: left bottom;
    color: var(--color-gris-calido);
    border-color: var(--color-champana);
}

.btn-filled {
    background-color: var(--color-dorado-suave);
    color: var(--color-white);
    background-image: linear-gradient(to right, var(--color-rosa-suave) 50%, var(--color-dorado-suave) 50%);
    border: none;
}

.btn-filled:hover {
    color: var(--color-white);
}

/* Animations & Transitions */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease, transform 1s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ====== Professional Envelope Screen ====== */
#envelope-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-marfil);
    background-image: radial-gradient(circle, var(--color-white) 0%, var(--color-marfil) 100%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    transition: opacity 1.5s ease;
}

.envelope-container {
    position: relative;
    cursor: pointer;
    text-align: center;
    perspective: 1500px;
    margin-bottom: 2rem;
}

.envelope {
    width: 400px;
    height: 250px;
    background-color: #ECE0D1;
    /* Slightly darker than champana for inner shadow */
    position: relative;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15), 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 1s ease;
    border-radius: 2px;
}

/* Create the back/inner background of the envelope */
.envelope::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0) 20%);
    z-index: 1;
}

.envelope-pocket {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-champana);
    background-image: linear-gradient(to top right, rgba(0, 0, 0, 0.02) 0%, rgba(255, 255, 255, 0.4) 100%);
    clip-path: polygon(0 0, 50% 55%, 100% 0, 100% 100%, 0 100%);
    z-index: 3;
}

.envelope-pocket::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: transparent;
    border-left: 2px solid rgba(255, 255, 255, 0.4);
    border-right: 2px solid rgba(255, 255, 255, 0.4);
    border-bottom: 2px solid rgba(255, 255, 255, 0.4);
    clip-path: polygon(0 0, 50% 55%, 100% 0, 100% 100%, 0 100%);
}

.envelope-flap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-champana);
    background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.5) 0%, rgba(0, 0, 0, 0.05) 100%);
    clip-path: polygon(0 0, 100% 0, 50% 60%);
    z-index: 5;
    transform-origin: top;
    transition: transform 0.6s 0.2s cubic-bezier(0.4, 0, 0.2, 1), z-index 0s 0.5s;
}

.envelope-flap::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-top: 2px solid rgba(255, 255, 255, 0.6);
    clip-path: polygon(0 0, 100% 0, 50% 60%);
}

.envelope-letter {
    position: absolute;
    bottom: 10px;
    left: 15px;
    width: 370px;
    height: 230px;
    background-color: var(--color-white);
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    z-index: 2;
    padding: 1rem;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
    transition: transform 1s 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.letter-border {
    border: 1px solid var(--color-dorado-suave);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background-color: rgba(255, 255, 255, 0.7);
}

.letter-border::before,
.letter-border::after {
    content: '✧';
    position: absolute;
    color: var(--color-dorado-suave);
    font-size: 1.2rem;
}

.letter-border::before {
    top: 10px;
}

.letter-border::after {
    bottom: 10px;
}

.envelope-letter h2 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-dorado-suave);
    line-height: 1;
}

.envelope-letter p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-gris-calido);
    margin: 0.5rem 0;
}

.letter-date {
    font-family: var(--font-titles);
    font-size: 1.8rem !important;
    text-transform: none !important;
    color: var(--color-dorado-suave) !important;
    margin-top: 1rem !important;
}

/* Open states */
.envelope.open .envelope-flap {
    transform: rotateX(180deg);
    z-index: 1;
}

.envelope.open .envelope-letter {
    transform: translateY(-160px);
}

.envelope-instructions {
    margin-top: 3rem;
    font-size: 0.9rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-gris-calido);
    animation: pulse 2.5s infinite ease-in-out;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.4;
    }

    50% {
        opacity: 1;
    }
}

/* Professional Envelope Wax Seal */
.wax-seal {
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: radial-gradient(circle at 30% 30%, #b83b3b, #7a1f1f);
    border-radius: 50%;
    z-index: 6;
    box-shadow:
        inset 0 0 8px rgba(0, 0, 0, 0.6),
        0 4px 6px rgba(0, 0, 0, 0.3),
        0 0 2px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.wax-seal::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: 45% 55% 42% 58% / 51% 43% 57% 49%;
    z-index: -1;
    transform: scale(1.08);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.wax-seal-inner {
    width: 48px;
    height: 48px;
    border: 1px dashed rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fce3e3;
    font-size: 1.8rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.4);
}

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

/* ====== Hero Section ====== */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background-color: var(--color-dark); /* Fallback dark background */
    background-image: url('../assets/images/IMG_4891.JPG.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    color: var(--color-white);
    max-width: 800px;
    padding: 2rem;
}

.hero-names {
    font-size: 7rem;
    margin-bottom: 1rem;
    color: var(--color-champana);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-names span {
    display: block;
    font-size: 4rem;
    margin: -1rem 0;
    color: var(--color-dorado-suave);
}

.hero-details {
    font-size: 1.5rem;
    letter-spacing: 3px;
    margin-bottom: 3rem;
    text-transform: uppercase;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero .btn-elegant {
    border-color: var(--color-champana);
    color: var(--color-champana);
}

.hero .btn-elegant:hover {
    color: var(--color-dark);
}

/* Floral Decorations */
.floral-decor {
    width: 150px;
    opacity: 0.6;
    margin: 0 auto 2rem;
}

/* ====== Countdown ====== */
.countdown-section {
    background-color: var(--color-champana);
    text-align: center;
    padding: 4rem 2rem;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2rem 0;
}

.countdown-item {
    display: flex;
    flex-direction: column;
}

.countdown-number {
    font-size: 4rem;
    font-family: var(--font-titles);
    color: var(--color-dorado-suave);
    line-height: 1;
}

.countdown-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0.5rem;
}

/* ====== Our Story Timeline ====== */
.story-timeline {
    position: relative;
    max-width: 800px;
    margin: 4rem auto 0;
}

.story-timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--color-dorado-suave);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
    opacity: 0.3;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
    margin-bottom: 3rem;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    right: -8px;
    background-color: var(--color-marfil);
    border: 2px solid var(--color-dorado-suave);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.timeline-left {
    left: 0;
}

.timeline-right {
    left: 50%;
}

.timeline-right::after {
    left: -8px;
}

.timeline-content {
    padding: 2rem;
    background-color: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border-top: 3px solid var(--color-rosa-suave);
    text-align: center;
}

.timeline-title {
    font-size: 1.5rem;
    color: var(--color-dorado-suave);
    margin-bottom: 0.5rem;
}

/* ====== Event Details ====== */
.event-details-section {
    background-color: var(--color-white);
}

.cards-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.event-card {
    background-color: var(--color-marfil);
    padding: 3rem 2rem;
    border-radius: 10px;
    width: 350px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(198, 169, 122, 0.2);
    transition: transform 0.3s ease;
}

.event-card:hover {
    transform: translateY(-10px);
}

.event-icon {
    font-size: 3rem;
    color: var(--color-dorado-suave);
    margin-bottom: 1.5rem;
}

.event-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.event-card p {
    margin-bottom: 0.5rem;
}

.map-link {
    display: block;
    margin-top: 1rem;
    color: var(--color-dorado-suave);
    text-decoration: underline;
    font-style: italic;
    font-size: 0.9rem;
}

.calendar-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding: 0.6rem 1.2rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-dorado-suave);
    color: var(--color-dorado-suave);
    text-decoration: none;
    font-size: 0.85rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.calendar-btn:hover {
    background-color: var(--color-dorado-suave);
    color: var(--color-white);
}

/* ====== Gallery ====== */
.gallery-section {
    background-color: var(--color-rosa-suave);
    background-image: linear-gradient(to bottom, var(--color-marfil), var(--color-rosa-suave) 15%, var(--color-rosa-suave) 85%, var(--color-marfil));
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 1 / 1;
    cursor: pointer;
}

.gallery-item img.placeholder-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    background-color: var(--color-champana);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(198, 169, 122, 0.4);
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-img {
    max-width: 90%;
    max-height: 90vh;
    border: 5px solid white;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 3rem;
    cursor: pointer;
}

/* ====== Schedule ====== */
.schedule-section {
    background-color: var(--color-champana);
}

.schedule-list {
    max-width: 600px;
    margin: 0 auto;
    border-left: 2px solid var(--color-dorado-suave);
    padding-left: 2rem;
}

.schedule-item {
    position: relative;
    margin-bottom: 2.5rem;
}

.schedule-item::before {
    content: '';
    position: absolute;
    left: -2.45rem;
    top: 0;
    width: 15px;
    height: 15px;
    background-color: var(--color-dorado-suave);
    border-radius: 50%;
}

.schedule-time {
    font-family: var(--font-titles);
    font-size: 2rem;
    color: var(--color-dorado-suave);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.schedule-event {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ====== RSVP ====== */
.rsvp-section {
    background-color: var(--color-white);
    background-image:
        radial-gradient(var(--color-champana) 1px, transparent 1px),
        radial-gradient(var(--color-champana) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
}

.rsvp-container {
    background-color: var(--color-marfil);
    padding: 4rem;
    border-radius: 10px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
    max-width: 700px;
    margin: 0 auto;
    border: 1px solid var(--color-rosa-suave);
}

.rsvp-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-dark);
}

.form-control {
    padding: 1rem;
    border: 1px solid #ccc;
    background-color: transparent;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    border-radius: 4px;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-dorado-suave);
}

.radio-group {
    display: flex;
    gap: 2rem;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

/* ====== Gifts & Final ====== */
.gifts-section {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.gifts-icon {
    font-size: 3rem;
    color: var(--color-dorado-suave);
    margin-bottom: 1rem;
}

.gifts-text {
    font-size: 1.2rem;
    font-style: italic;
    line-height: 1.8;
}

.btn-copy {
    margin-top: 1.5rem;
    padding: 0.6rem 1.5rem;
    background-color: var(--color-champana);
    border: 1px dashed var(--color-dorado-suave);
    color: var(--color-dorado-suave);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-copy:hover {
    background-color: var(--color-dorado-suave);
    color: var(--color-white);
}

.btn-copy.copied {
    background-color: #4CAF50;
    border-color: #4CAF50;
    color: white;
}

.final-section {
    background-color: var(--color-dorado-suave);
    color: var(--color-white);
    text-align: center;
    padding: 5rem 2rem;
}

.final-section h2 {
    color: var(--color-white);
    font-size: 4rem;
}

.final-section p {
    font-size: 1.3rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0;
}

/* ====== Footer ====== */
footer {
    background-color: var(--color-dark);
    color: #999;
    text-align: center;
    padding: 2rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
}

/* ====== Responsive ====== */
@media (max-width: 768px) {
    .envelope-container {
        transform: scale(0.85);
        /* Scales down smoothly without breaking 3D proportions */
    }

    .hero-names {
        font-size: 5rem;
    }

    .hero-names span {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .envelope-container {
        transform: scale(0.7);
        /* Further scaling for smaller phones */
    }
}

@media (max-width: 768px) {
    .countdown-timer {
        gap: 1.5rem;
    }

    .countdown-number {
        font-size: 2.5rem;
    }

    .story-timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 0;
    }

    .timeline-item::after {
        left: 23px;
        right: auto;
    }

    .timeline-right {
        left: 0;
    }

    .rsvp-container {
        padding: 2rem 1.5rem;
    }
}