/* ============================================================
   WEDDING INVITATION SYSTEM DESIGN
   Tone: Soft Pastel Pink & Pure White (Hồng Trắng Nhẹ Nhàng & Lãng Mạn)
   Fully Responsive for Mobile & Desktop PC
   ============================================================ */

:root {
    /* Color Tokens */
    --pink-primary: #ff85a1;
    --pink-light: #ffb3c6;
    --pink-soft: #fff0f3;
    --pink-accent: #ff4d6d;
    --pink-dark: #c9184a;

    --bg-white: #ffffff;
    --bg-pink-tint: #fff8f9;
    --bg-card: rgba(255, 255, 255, 0.95);

    --text-dark: #3a2228;
    --text-medium: #704754;
    --text-soft: #a07a86;
    --text-pink: #d81b60;

    /* Gradients */
    --gradient-pink-white: linear-gradient(180deg, #ffffff 0%, #fff0f3 50%, #ffffff 100%);
    --gradient-btn: linear-gradient(135deg, #ff85a1 0%, #ff4d6d 100%);
    --gradient-hero-overlay: linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 240, 243, 0.85) 80%, #ffffff 100%);

    /* Fonts */
    --font-display: 'Great Vibes', cursive;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Cormorant Garamond', serif;
    --font-sans: 'Montserrat', sans-serif;

    /* Layout & Shadows */
    --container-max: 1100px;
    --shadow-soft: 0 8px 30px rgba(255, 133, 161, 0.12);
    --shadow-hover: 0 15px 40px rgba(255, 77, 109, 0.2);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
    --radius-round: 50%;

    --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

/* ================= 3D Landscape Wedding Card Overlay (Thiệp Ngang Vừa Vặn) ================= */
.music-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #ffffff 0%, #fff0f3 60%, #ffd6e0 100%);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    padding: 15px;
}

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

.envelope-wrapper {
    position: relative;
    width: 100%;
    max-width: 580px; /* Dáng thiệp ngang vừa vặn */
    margin: 0 auto;
    transition: transform 0.6s ease, opacity 0.6s ease;
}

.music-overlay.opening .envelope-wrapper {
    transform: scale(1.03) translateY(-15px);
}

.wedding-card-inner {
    position: relative;
    background: #ffffff;
    border-radius: 18px;
    padding: 28px 30px; /* Gọn gàng xinh xắn */
    box-shadow: 0 12px 35px rgba(255, 77, 109, 0.16), 0 2px 8px rgba(0, 0, 0, 0.03);
    border: 1.5px solid #ffe5ec;
    overflow: hidden;
    text-align: center;
}

/* Floral Corner Decor */
.card-corner {
    position: absolute;
    font-size: 1.1rem;
    opacity: 0.7;
    pointer-events: none;
}

.top-left { top: 10px; left: 12px; }
.top-right { top: 10px; right: 12px; }
.bottom-left { bottom: 10px; left: 12px; }
.bottom-right { bottom: 10px; right: 12px; }

.wax-seal-header {
    display: flex;
    justify-content: center;
    gap: 8px;
    font-size: 1.1rem;
    color: var(--pink-primary);
    margin-bottom: 6px;
}

.wax-seal-header span {
    animation: heartbeat 1.8s ease-in-out infinite;
}

.wax-seal-header span:nth-child(2) { animation-delay: 0.3s; }
.wax-seal-header span:nth-child(3) { animation-delay: 0.6s; }

.invitation-badge {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--pink-dark);
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    padding: 3px 14px;
    background: var(--pink-soft);
    border-radius: 20px;
    border: 1px solid var(--pink-light);
    margin-bottom: 8px;
}

.couple-names-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin: 8px 0;
    text-align: center;
}

.couple-names-title .bride-name,
.couple-names-title .groom-name {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 5.5vw, 2.7rem);
    color: var(--pink-dark);
    font-weight: 400;
    line-height: 1.2;
    display: block;
    width: 100%;
    text-align: center;
    white-space: nowrap;
    letter-spacing: 0;
}

.couple-names-title .amp {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 3.8vw, 1.8rem);
    color: var(--pink-accent);
    display: block;
    width: 100%;
    text-align: center;
    margin: -4px 0;
}

.music-date {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    letter-spacing: 4px;
    color: var(--pink-accent);
    margin: 6px 0 4px 0;
    font-weight: 600;
}

.music-subtitle {
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.5;
    color: var(--text-medium);
    margin-bottom: 18px;
    font-style: italic;
    text-align: center;
}

.enter-btn {
    background: var(--gradient-btn);
    color: #ffffff;
    border: none;
    padding: 12px 36px;
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 1px;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(255, 77, 109, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.enter-btn:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 10px 28px rgba(255, 77, 109, 0.4);
}

.btn-seal {
    font-size: 1.2rem;
    animation: bounce 1.5s infinite;
}

/* ================= Music Toggle Button ================= */
.music-toggle {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-round);
    background: var(--gradient-btn);
    color: #ffffff;
    border: none;
    cursor: pointer;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(255, 77, 109, 0.35);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
}

.music-toggle.visible {
    opacity: 1;
    visibility: visible;
}

.music-toggle:hover {
    transform: scale(1.1);
}

.music-toggle.playing {
    animation: pulse-ring 2s infinite;
}

.music-icon {
    width: 22px;
    height: 22px;
}

.music-icon.hidden { display: none; }

/* ================= Sakura Falling Petals (Chill & Soft) ================= */
.petals-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9990;
    overflow: hidden;
}

.sakura-petal {
    position: absolute;
    top: -40px;
    pointer-events: none;
    will-change: transform, opacity;
}

.sakura-petal svg {
    filter: drop-shadow(0 2px 4px rgba(255, 133, 161, 0.25));
}

@keyframes sakura-fall {
    0% {
        opacity: 0;
        transform: translateX(0) translateY(0) rotate(0deg) scale(0.6);
    }
    12% { opacity: 0.85; }
    50% {
        transform: translateX(-35px) translateY(50vh) rotate(220deg) scale(0.9);
        opacity: 0.75;
    }
    100% {
        opacity: 0;
        transform: translateX(45px) translateY(105vh) rotate(540deg) scale(0.4);
    }
}

@keyframes sakura-fall-2 {
    0% {
        opacity: 0;
        transform: translateX(0) translateY(0) rotateX(0) rotateZ(0) scale(0.5);
    }
    15% { opacity: 0.9; }
    60% {
        transform: translateX(45px) translateY(60vh) rotateX(280deg) rotateZ(140deg) scale(0.85);
        opacity: 0.7;
    }
    100% {
        opacity: 0;
        transform: translateX(-25px) translateY(105vh) rotateX(480deg) rotateZ(320deg) scale(0.3);
    }
}

@keyframes sakura-fall-3 {
    0% {
        opacity: 0;
        transform: translateX(0) translateY(0) rotate(0) scale(0.7);
    }
    15% { opacity: 0.8; }
    50% {
        transform: translateX(-50px) translateY(50vh) rotate(180deg) scale(1);
        opacity: 0.65;
    }
    100% {
        opacity: 0;
        transform: translateX(25px) translateY(105vh) rotate(420deg) scale(0.3);
    }
}

/* ================= Header & Navigation ================= */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9000;
    padding: 16px 0;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 179, 198, 0.3);
}

.main-nav.scrolled {
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 4px 20px rgba(255, 133, 161, 0.1);
}

.main-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 8px;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    padding: 8px 18px;
    border-radius: 20px;
    transition: var(--transition);
    color: var(--text-medium);
}

.nav-link:hover,
.nav-link.active {
    background: var(--gradient-btn);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(255, 77, 109, 0.3);
}

/* ================= Hero Section ================= */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('images/hero-bg.jpg') center center / cover no-repeat;
    padding: 120px 20px 60px 20px;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero-overlay);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.hero-ornament {
    font-size: 2.2rem;
    color: var(--pink-primary);
    margin-bottom: 8px;
    animation: spin-slow 15s linear infinite;
}

.save-the-date {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--pink-dark);
    font-weight: 600;
    margin-bottom: 15px;
}

.couple-names {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 20px;
    text-align: center;
}

.bride-name,
.groom-name {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 4.5rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--pink-dark);
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.8);
    display: block;
    white-space: nowrap;
}

.couple-names .amp {
    font-family: var(--font-display);
    font-size: 2.2rem;
    color: var(--pink-accent);
    margin: -5px 0;
}

.music-overlay-content {
    text-align: center;
    padding: 10px 5px;
    width: 100%;
    margin: 0 auto;
}

.music-overlay-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6.5vw, 3.8rem);
    color: var(--pink-dark);
    font-weight: 400;
    line-height: 1.15;
    margin: 10px 0;
}

.music-overlay-content h2 .amp {
    font-size: 2rem;
    color: var(--pink-accent);
    display: block;
    margin: -8px 0;
}

.heart-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 4px 0;
}

.heart-svg {
    width: 45px;
    height: 22px;
    color: var(--pink-accent);
    animation: heartbeat 2s ease-in-out infinite;
}

.wedding-date-hero {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.wedding-date-hero p {
    font-family: var(--font-sans);
    font-size: 1.3rem;
    letter-spacing: 5px;
    font-weight: 600;
    color: var(--text-dark);
}

.date-line {
    width: 60px;
    height: 2px;
    background: var(--pink-light);
}

.hero-location {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--text-medium);
}

/* ================= Common Section ================= */
.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 25px;
}

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

.section-header h2 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    color: var(--pink-dark);
    font-weight: 400;
    margin: 6px 0;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 1.2rem;
    color: var(--text-medium);
    font-style: italic;
}

.ornament {
    font-size: 1.4rem;
    color: var(--pink-primary);
    opacity: 0.8;
}

/* ================= Countdown Section ================= */
.countdown-section {
    padding: 70px 0;
    background: var(--bg-pink-tint);
    border-top: 1px solid rgba(255, 179, 198, 0.2);
    border-bottom: 1px solid rgba(255, 179, 198, 0.2);
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

.countdown-item {
    text-align: center;
    background: #ffffff;
    border: 1px solid #ffe5ec;
    border-radius: var(--radius-md);
    padding: 20px 18px;
    min-width: 100px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.countdown-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.countdown-number {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--pink-dark);
    line-height: 1;
    margin-bottom: 6px;
}

.countdown-label {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-soft);
    font-weight: 600;
}

.countdown-separator {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--pink-primary);
    animation: blink 1s ease-in-out infinite;
}

/* ================= Couple Section ================= */
.couple-section {
    padding: 90px 0;
    background: #ffffff;
}

.couple-cards {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 35px;
    flex-wrap: wrap;
}

.couple-card {
    flex: 1;
    min-width: 300px;
    max-width: 440px;
    background: var(--bg-pink-tint);
    border-radius: var(--radius-lg);
    padding: 35px 25px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    border: 1px solid #ffe5ec;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.couple-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-btn);
}

.couple-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.photo-frame {
    width: 190px;
    height: 190px;
    margin: 0 auto 22px auto;
    border-radius: var(--radius-round);
    overflow: hidden;
    border: 4px solid #ffffff;
    box-shadow: 0 0 0 6px var(--pink-light), 0 8px 25px rgba(255, 133, 161, 0.25);
}

.couple-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.family-label {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--pink-dark);
    margin-bottom: 8px;
    font-weight: 700;
}

.person-name {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 4.8vw, 2.2rem);
    white-space: nowrap;
    color: var(--text-dark);
    font-weight: 400;
    margin-bottom: 4px;
}

.person-role {
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: var(--text-medium);
    font-style: italic;
    margin-bottom: 16px;
}

.family-info p {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--text-dark);
    margin: 3px 0;
}

.address {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-medium);
    font-style: italic;
    line-height: 1.45;
    margin-top: 12px;
}

.address-icon {
    width: 18px;
    height: 18px;
    min-width: 18px;
    color: var(--pink-accent);
    margin-top: 3px;
}

.couple-divider {
    display: flex;
    align-items: center;
    justify-content: center;
}

.divider-heart {
    font-size: 2.5rem;
    color: var(--pink-primary);
    animation: heartbeat 2s ease-in-out infinite;
}

/* ================= Events Section ================= */
.events-section {
    padding: 90px 0;
    background: var(--bg-pink-tint);
}

.events-timeline {
    max-width: 680px;
    margin: 0 auto;
}

.event-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 35px 30px;
    box-shadow: var(--shadow-soft);
    border: 1px solid #ffe5ec;
    display: flex;
    gap: 22px;
    align-items: flex-start;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.event-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 5px;
    height: 100%;
    background: var(--gradient-btn);
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.event-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    background: var(--pink-soft);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pink-dark);
    border: 1px solid var(--pink-light);
}

.event-icon svg {
    width: 26px;
    height: 26px;
}

.event-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--pink-dark);
    margin-bottom: 14px;
    font-weight: 600;
}

.event-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.event-detail {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--text-dark);
}

.event-detail svg {
    width: 18px;
    height: 18px;
    min-width: 18px;
    color: var(--pink-accent);
}

.event-detail.lunar-date {
    color: var(--text-medium);
    font-style: italic;
}

.timeline-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0;
}

.connector-line {
    width: 2px;
    height: 25px;
    background: var(--pink-light);
}

.connector-dot {
    font-size: 1.4rem;
    padding: 6px;
}

/* ================= Gallery Section ================= */
.gallery-section {
    padding: 90px 0;
    background: #ffffff;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4 / 3;
    background: var(--bg-pink-tint);
    box-shadow: var(--shadow-soft);
    border: 3px solid #ffffff;
    transition: var(--transition);
}

.gallery-item.large {
    grid-column: span 2;
    aspect-ratio: 8 / 3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ================= Map Section ================= */
.map-section {
    padding: 90px 0;
    background: var(--bg-pink-tint);
}

.map-wrapper {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.map-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
    padding: 22px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    flex-wrap: wrap;
    gap: 15px;
    border: 1px solid #ffe5ec;
}

.map-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.map-info-item svg {
    width: 26px;
    height: 26px;
    color: var(--pink-accent);
}

.map-info-item strong {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    color: var(--pink-dark);
    display: block;
}

.map-info-item p {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-medium);
}

.map-direction-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-btn);
    color: #ffffff;
    padding: 12px 26px;
    border-radius: 50px;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(255, 77, 109, 0.3);
}

.map-direction-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 77, 109, 0.4);
}

.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 4px solid #ffffff;
}

.map-container iframe { display: block; }

/* ================= Gift / Mừng Cưới Section ================= */
.gift-section {
    padding: 90px 0;
    background: var(--bg-pink-tint);
    border-top: 1px solid rgba(255, 179, 198, 0.25);
    border-bottom: 1px solid rgba(255, 179, 198, 0.25);
}

.gift-container {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 35px;
    margin-top: 20px;
}

/* Left QR Card */
.gift-qr-card {
    flex: 0 0 360px;
    max-width: 100%;
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: var(--shadow-soft);
    border: 2px solid #ffe5ec;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.gift-qr-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.bank-badge {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--pink-dark);
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    padding: 4px 16px;
    background: var(--pink-soft);
    border-radius: 20px;
    border: 1px solid var(--pink-light);
    margin-bottom: 14px;
}

.qr-image-wrapper {
    width: 100%;
    max-width: 270px;
    margin: 0 auto 16px auto;
    padding: 10px;
    background: #ffffff;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 15px rgba(255, 133, 161, 0.15);
    border: 1px solid #ffe5ec;
}

.qr-code-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.bank-details {
    width: 100%;
}

.bank-account-name {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--pink-dark);
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.bank-account-number {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.bank-account-number strong {
    color: var(--pink-dark);
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--pink-soft);
    color: var(--pink-dark);
    border: 1px solid var(--pink-light);
    padding: 4px 10px;
    border-radius: 14px;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.copy-btn:hover {
    background: var(--gradient-btn);
    color: #ffffff;
    border-color: transparent;
    transform: translateY(-1px);
}

.bank-name {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-medium);
    font-style: italic;
}

/* Right Framed Thank-You Box */
.gift-thanks-box {
    flex: 1;
    min-width: 300px;
    width: 100%;
    max-width: 580px;
    background: #ffffff;
    border-radius: 20px;
    padding: 12px;
    box-shadow: var(--shadow-soft);
    border: 2px solid #ffe5ec;
    display: flex;
    transition: var(--transition);
}

.gift-thanks-box:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.thanks-frame-inner {
    width: 100%;
    border: 2px dashed var(--pink-primary);
    border-radius: 14px;
    padding: 30px 24px;
    background: var(--bg-pink-tint);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.thanks-decor-icon {
    font-size: 2rem;
    margin-bottom: 6px;
}

.thanks-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--pink-dark);
    font-weight: 600;
    margin-bottom: 6px;
}

.thanks-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--pink-primary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.thanks-body {
    font-family: var(--font-body);
    font-size: 1.12rem;
    line-height: 1.7;
    color: var(--text-dark);
    text-align: justify;
    text-align-last: center;
}

.thanks-body p {
    margin-bottom: 12px;
}

.thanks-closing {
    font-style: italic;
    color: var(--pink-dark);
    font-weight: 600;
    margin-top: 14px;
}

.thanks-signature {
    margin-top: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.thanks-signature .bride-name,
.thanks-signature .groom-name {
    font-family: var(--font-display);
    font-size: 2.2rem;
    color: var(--pink-dark);
    white-space: nowrap;
}

.thanks-signature .amp {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--pink-accent);
    margin: -6px 0;
}

/* ================= Wishes Section (Compact & Cute Heart Theme) ================= */
.wishes-section {
    padding: 75px 0;
    background: #ffffff;
}

.wishes-content {
    max-width: 520px; /* Nhỏ nhắn gọn gàng hơn */
    margin: 0 auto;
}

.wishes-form {
    background: #fff8f9;
    padding: 24px 22px;
    border-radius: var(--radius-md);
    box-shadow: 0 6px 20px rgba(255, 133, 161, 0.12);
    margin-bottom: 30px;
    border: 1.5px dashed #ffb3c6;
    position: relative;
}

.wishes-form::before {
    content: '💗';
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: #ffffff;
    padding: 0 10px;
    font-size: 1.2rem;
}

.form-group { margin-bottom: 12px; }

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 11px 15px;
    font-family: var(--font-body);
    font-size: 0.98rem;
    color: var(--text-dark);
    background: #ffffff;
    border: 1px solid #ffe5ec;
    border-radius: 12px;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--pink-primary);
    box-shadow: 0 0 0 3px rgba(255, 133, 161, 0.18);
}

.submit-wish-btn {
    width: 100%;
    padding: 11px 20px;
    background: var(--gradient-btn);
    color: #ffffff;
    border: none;
    border-radius: 25px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255, 77, 109, 0.25);
}

.submit-wish-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 77, 109, 0.35);
}

.btn-heart {
    font-size: 1rem;
    animation: heartbeat 1.5s infinite;
}

.wishes-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wish-item {
    background: #fff8f9;
    padding: 16px 18px;
    border-radius: 14px;
    box-shadow: 0 4px 12px rgba(255, 133, 161, 0.08);
    border: 1px solid #ffe5ec;
    position: relative;
}

.wish-item::after {
    content: '💖';
    position: absolute;
    top: 12px;
    right: 14px;
    font-size: 0.85rem;
    opacity: 0.7;
}

.wish-item .wish-author {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--pink-dark);
    font-weight: 600;
    margin-bottom: 4px;
}

.wish-item .wish-text {
    font-family: var(--font-body);
    font-size: 0.98rem;
    color: var(--text-dark);
    font-style: italic;
    line-height: 1.45;
}

.wish-item .wish-time {
    font-family: var(--font-sans);
    font-size: 0.68rem;
    color: var(--text-soft);
    margin-top: 6px;
}

/* ================= Footer ================= */
.footer {
    background: var(--bg-pink-tint);
    padding: 60px 0;
    text-align: center;
    border-top: 1px solid #ffe5ec;
}

.footer-names {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--pink-dark);
    margin-bottom: 8px;
}

.footer-date {
    font-family: var(--font-sans);
    font-size: 1rem;
    letter-spacing: 4px;
    color: var(--pink-accent);
    margin-bottom: 12px;
    font-weight: 600;
}

.footer-thanks {
    font-family: var(--font-body);
    font-size: 1.15rem;
    color: var(--text-medium);
    font-style: italic;
    margin-bottom: 20px;
}

.footer-hearts {
    display: flex;
    justify-content: center;
    gap: 12px;
    font-size: 1.2rem;
    color: var(--pink-primary);
}

.footer-hearts span {
    animation: heartbeat 2s ease-in-out infinite;
}

#youtube-player-wrapper,
#youtube-player-wrapper iframe,
#youtube-player {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    position: fixed !important;
    top: -9999px !important;
    left: -9999px !important;
}
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(58, 34, 40, 0.94);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox img {
    max-width: 92%;
    max-height: 90vh;
    border-radius: var(--radius-sm);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 25px;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 2.5rem;
    cursor: pointer;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-size: 1.5rem;
    padding: 12px 16px;
    border-radius: var(--radius-round);
    cursor: pointer;
    border: none;
}

.lightbox-prev { left: 15px; }
.lightbox-next { right: 15px; }

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(25px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes blink {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 0.1; }
}

@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(255, 77, 109, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(255, 77, 109, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 77, 109, 0); }
}

@keyframes wishSlideIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ================= Mobile Responsiveness (Điện thoại) ================= */
@media screen and (max-width: 768px) {
    html { font-size: 15px; }

    .main-nav ul {
        gap: 2px;
        flex-wrap: wrap;
    }

    .nav-link {
        font-size: 0.68rem;
        padding: 6px 12px;
        letter-spacing: 0.8px;
    }

    .bride-name, .groom-name {
        font-size: 3.6rem;
    }

    .music-overlay-content h2 {
        font-size: 2.8rem;
    }

    .section-header h2 {
        font-size: 2.8rem;
    }

    .couple-cards {
        flex-direction: column;
        align-items: center;
    }

    .couple-card {
        max-width: 100%;
        width: 100%;
    }

    .countdown-timer {
        gap: 8px;
    }

    .countdown-item {
        min-width: 70px;
        padding: 15px 10px;
    }

    .countdown-number {
        font-size: 2.2rem;
    }

    .event-card {
        flex-direction: column;
        padding: 25px 20px;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .gallery-item.large {
        grid-column: span 1;
        aspect-ratio: 4 / 3;
    }

    .envelope-wrapper {
        width: 95%;
        max-width: 400px;
    }

    .wedding-card-inner {
        padding: 22px 14px;
    }

    .couple-names-title .bride-name,
    .couple-names-title .groom-name {
        font-size: clamp(1.5rem, 6vw, 2.1rem);
        line-height: 1.25;
    }

    .couple-names-title .amp {
        font-size: 1.2rem;
        margin: -2px 0;
    }

    .map-info {
        flex-direction: column;
        text-align: center;
    }

    .gift-container {
        flex-direction: column;
        align-items: center;
        gap: 25px;
    }

    .gift-qr-card,
    .gift-thanks-box {
        width: 100%;
        max-width: 100%;
        flex: auto;
    }

    .thanks-frame-inner {
        padding: 25px 18px;
    }

    .thanks-body {
        font-size: 1.05rem;
        text-align: center;
    }
}