/* ===== Variables ===== */
:root {
    --color-cream: #faf7f2;
    --color-white: #ffffff;
    --color-dark: #2c2c2c;
    --color-gold: #c9a96e;
    --color-gold-light: #e8d5b0;
    --color-text: #4a4a4a;
    --color-text-light: #777;
    --font-script: 'Great Vibes', cursive;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Lato', sans-serif;
    --header-height: 70px;
    --transition: 0.3s ease;
}

/* ===== Reset ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--color-text);
    background: var(--color-cream);
    line-height: 1.7;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header / Nav ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.08);
    height: var(--header-height);
}

.nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: 1px;
}

.nav-logo span {
    color: var(--color-gold);
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text);
    transition: color var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-gold);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: url('../images/hero.jpg') center / cover no-repeat;
    color: var(--color-white);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 40px 24px;
}

.hero-subtitle {
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
    opacity: 0.9;
}

.hero-names {
    font-family: var(--font-script);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero-names span {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 0.6em;
}

.hero-tagline {
    font-family: var(--font-serif);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 400;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.hero-date {
    font-size: 1rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-gold-light);
}

/* ===== Sections ===== */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-family: var(--font-script);
    font-size: 3rem;
    color: var(--color-gold);
    font-weight: 400;
    margin-bottom: 8px;
}

.section-header h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.section-label {
    text-align: center;
    font-size: 0.8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 8px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    text-align: center;
    color: var(--color-dark);
    margin-bottom: 40px;
    font-weight: 600;
}

.section-lead {
    text-align: center;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto 30px;
}

/* ===== Invitation ===== */
.invitation {
    background: var(--color-white);
}

.couple-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

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

.couple-image {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 3px solid var(--color-gold-light);
}

.couple-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.couple-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-dark);
    margin-bottom: 16px;
}

.couple-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ===== Invitation Details Carousel ===== */
.invitation-details-section {
    background: var(--color-cream);
}

.carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.invitation-carousel {
    max-width: 560px;
    background: var(--color-white);
}

.invitation-carousel .carousel-track {
    aspect-ratio: 3 / 4;
}

.carousel-track {
    position: relative;
    aspect-ratio: 16 / 10;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.invitation-carousel .carousel-slide img {
    object-fit: contain;
    background: var(--color-white);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.85);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--color-dark);
    cursor: pointer;
    transition: background var(--transition);
    z-index: 2;
}

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

.carousel-prev { left: 16px; }
.carousel-next { right: 16px; }

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 16px 0;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid var(--color-gold);
    background: transparent;
    cursor: pointer;
    transition: background var(--transition);
}

.carousel-dot.active {
    background: var(--color-gold);
}

/* ===== Events ===== */
.events {
    background: var(--color-white);
}

.events-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.event-card {
    text-align: center;
    padding: 40px 30px;
    border: 1px solid var(--color-gold-light);
    border-radius: 8px;
    transition: box-shadow var(--transition);
}

.event-card:hover {
    box-shadow: 0 8px 25px rgba(201, 169, 110, 0.15);
}

.event-card h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--color-dark);
    margin-bottom: 20px;
}

.event-detail {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
}

.event-icon {
    font-size: 1.5rem;
}

.event-time {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-gold);
}

.event-date {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.event-venue {
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text);
    font-weight: 700;
}

/* ===== Timeline ===== */
.story {
    background: var(--color-cream);
}

.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-gold-light);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-gold);
    border: 3px solid var(--color-cream);
    box-shadow: 0 0 0 2px var(--color-gold-light);
}

.timeline-content h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--color-gold);
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.timeline-content p:last-child {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ===== Gallery ===== */
.gallery {
    background: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.gallery-item {
    overflow: hidden;
    border-radius: 6px;
    aspect-ratio: 1;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

/* ===== RSVP Form ===== */
.guest {
    background: var(--color-cream);
}

.rsvp-form {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.form-group input[type="text"] {
    width: 100%;
    padding: 14px 20px;
    border: 1px solid var(--color-gold-light);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    text-align: center;
    letter-spacing: 1px;
    background: var(--color-white);
    transition: border-color var(--transition);
}

.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--color-gold);
}

.form-checkbox label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.95rem;
    text-transform: none;
    letter-spacing: 0;
    color: var(--color-text);
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-gold);
}

.btn-rsvp {
    display: inline-block;
    padding: 14px 36px;
    background: var(--color-gold);
    color: var(--color-white);
    border: none;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: background var(--transition), opacity var(--transition);
}

.btn-rsvp:hover {
    background: #b8944f;
}

.btn-rsvp:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-message {
    margin-top: 20px;
    padding: 12px 20px;
    border-radius: 4px;
    font-size: 0.9rem;
}

.form-message.success {
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #a5d6a7;
}

.form-message.error {
    background: #fce4ec;
    color: #c62828;
    border: 1px solid #ef9a9a;
}

.table-result {
    max-width: 500px;
    margin: 32px auto 0;
    padding: 32px 24px;
    text-align: center;
    background: var(--color-white);
    border: 2px solid var(--color-gold-light);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(201, 169, 110, 0.15);
}

.table-result[hidden] {
    display: none;
}

.table-result-greeting {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.table-result-label {
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.table-result-number {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
}

/* ===== Lightbox ===== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.lightbox[hidden] {
    display: none;
}

.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 4px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    opacity: 0.8;
    transition: opacity var(--transition);
}

.lightbox-close:hover {
    opacity: 1;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: 24px;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        align-items: center;
        padding: 24px;
        gap: 20px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        transform: translateY(-120%);
        opacity: 0;
        transition: transform var(--transition), opacity var(--transition);
        pointer-events: none;
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-toggle.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .couple-cards {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .events-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .hero-names {
        font-size: 2.8rem;
    }
}