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

body {
    font-family: 'Inter', 'Playfair Display', serif;
    background: #f4e4c1;
    color: #4B5563;
    overflow-x: hidden;
}


/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 247, 237, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    animation: slideDown 0.8s ease-out;
    box-shadow: 0 2px 20px rgba(161, 98, 7, 0.1);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.3s ease;
    text-shadow: 0 2px 8px rgba(161, 98, 7, 0.15);
    font-weight: bold;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 3px 12px rgba(161, 98, 7, 0.25);
    border: 2px solid rgba(255, 255, 255, 0.8);
    
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: #4B5563;
    font-size: 1rem;
    position: relative;
    transition: color 0.3s ease;
    font-weight: bold;
    
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #A16207;
    transition: width 0.4s ease;
}

.nav-links a:hover {
    color: #A16207;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 2rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out 0.3s both;
    position: relative;  
    z-index: 2;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: 4rem;
    color: #A16207;
    margin-bottom: 1rem;
    font-weight: bold;
    letter-spacing: 3px;
}

.hero p {
    font-size: 1.3rem;
    color: #4B5563;
    margin-bottom: 2rem;
    line-height: 1.8;
    font-weight: 600;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: #A16207;
    color: #FFF7ED;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(161, 98, 7, 0.3);
}

/* Canvas for Fireworks */
#fireworksCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    
}

/* Floating shapes */
.floating-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
    z-index: 0;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(180deg);
    }
}

.shape-1 {
    width: 100px;
    height: 100px;
    background: #A16207;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: #FFE4D6;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    background: #A16207;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

/* Albums Section */
.albums-section {
    padding: 5rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    color: #A16207;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Albums Grid */
.albums-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.album-card {
    background: rgba(255, 255, 255, 0.6);
    border-radius: 25px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    opacity: 0;
    transform: translateY(30px);
    text-decoration: none;
    display: block;
}

.album-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.album-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.25);
    background: rgba(219, 234, 254, 0.8);
}

.album-thumbnail {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, #FFE4D6 0%, #FFF7ED 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease;
}

.album-card:hover .album-thumbnail {
    background: linear-gradient(135deg, #DBEAFE 0%, #E0F2FE 100%);
}

.album-thumbnail::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(59, 130, 246, 0);
    transition: all 0.5s ease;
}

.album-card:hover .album-thumbnail::before {
    background: rgba(59, 130, 246, 0.1);
}

.album-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.album-card:hover .album-thumbnail img {
    transform: scale(1.05);
}

.album-info {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    text-align: center;
    transition: all 0.5s ease;
}

.album-card:hover .album-info {
    background: rgba(255, 255, 255, 1);
}

.album-name {
    font-size: 1.4rem;
    color: #A16207;
    font-weight: 600;
    margin-bottom: 0.3rem;
    transition: color 0.3s ease;
}

.album-card:hover .album-name {
    color: #2563EB;
}

.album-description {
    font-size: 1rem;
    color: #4B5563;
    opacity: 0.8;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-20px);
    }
    60% {
        transform: translateX(-50%) translateY(-10px);
    }
}

.scroll-indicator::before {
    content: '↓';
    font-size: 2rem;
    color: #A16207;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    nav {
        padding: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .albums-section {
        padding: 3rem 1rem;
    }

    .albums-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

/* About Section */
.about-section {
    padding: 5rem 3rem;
    background: rgba(255, 255, 255, 0.3);
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
}

.about-content {
    display: flex;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.about-image {
    flex: 1;
    max-width: 400px;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 25px;
    box-shadow: 0 10px 40px rgba(161, 98, 7, 0.2);
    object-fit: cover;
    aspect-ratio: 3/4;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 2.5rem;
    color: #A16207;
    margin-bottom: 0.5rem;
}

.about-subtitle {
    font-size: 1.2rem;
    color: #4B5563;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4B5563;
    margin-bottom: 1.5rem;
}

.about-stats {
    display: flex;
    gap: 3rem;
    margin-top: 2.5rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #A16207;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #4B5563;
    opacity: 0.8;
}

/* Contact Section */
.contact-section {
    padding: 5rem 3rem;
    background: linear-gradient(135deg, #FFF7ED 0%, #FFE4D6 100%);
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
}

.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #4B5563;
    margin-bottom: 3rem;
    opacity: 0.8;
}

.contact-content {
    display: flex;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(161, 98, 7, 0.15);
}

.contact-icon {
    font-size: 1.5rem;
    color: #A16207;
    width: 50px;
    height: 50px;
    background: rgba(161, 98, 7, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.contact-item:hover .contact-icon {
    background: #A16207;
    color: #FFF7ED;
    transform: scale(1.1);
}

.contact-details h4 {
    color: #A16207;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.contact-details a {
    color: #4B5563;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: #A16207;
}

.contact-details p {
    color: #4B5563;
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.social-icon {
    padding: 0.5rem 1rem;
    background: #A16207;
    color: #FFF7ED;
    border-radius: 15px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: #2563EB;
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    flex: 1;
    background: rgba(255, 255, 255, 0.8);
    padding: 2.5rem;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(161, 98, 7, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 2px solid rgba(161, 98, 7, 0.2);
    border-radius: 15px;
    font-size: 1rem;
    font-family: 'Georgia', serif;
    background: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #A16207;
    box-shadow: 0 0 0 3px rgba(161, 98, 7, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-button {
    width: 100%;
    padding: 1rem 2rem;
    background: #A16207;
    color: #FFF7ED;
    border: none;
    border-radius: 25px;
    font-size: 1.1rem;
    font-family: 'Georgia', serif;
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.submit-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.submit-button:hover::before {
    width: 300px;
    height: 300px;
}

.submit-button:hover {
    background: #2563EB;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

/* Responsive cho About & Contact */
@media (max-width: 768px) {
    .about-content {
        flex-direction: column;
    }

    .contact-content {
        flex-direction: column;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    /* Navigation */
    nav {
        padding: 1rem 1.5rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .logo-img {
        width: 35px;
        height: 35px;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    /* Hero Section */
    .hero {
        padding: 0 1.5rem;
        min-height: 80vh;
    }
    
    .hero h1 {
        font-size: 2rem;
        letter-spacing: 1px;
    }
    
    .hero p {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 0.9rem;
    }
    
    .floating-shape {
        opacity: 0.05;
    }
    
    /* Albums Section */
    .albums-section {
        padding: 3rem 1rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .albums-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .album-card {
        max-width: 100%;
    }
    
    .album-thumbnail {
        height: 250px;
    }
    
    .album-name {
        font-size: 1.2rem;
    }
    
    /* About Section */
    .about-section {
        padding: 3rem 1.5rem;
    }
    
    .about-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .about-image {
        max-width: 100%;
    }
    
    .about-text h3 {
        font-size: 2rem;
    }
    
    .about-stats {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    /* Contact Section */
    .contact-section {
        padding: 3rem 1.5rem;
    }
    
    .contact-intro {
        font-size: 1rem;
    }
    
    .contact-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .contact-item {
        padding: 1rem;
    }
    
    .contact-icon {
        font-size: 1.2rem;
        width: 45px;
        height: 45px;
    }
    
    .contact-details h4 {
        font-size: 1rem;
    }
    
    .social-icons {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .social-icon {
        width: 100%;
        text-align: center;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 0.8rem 1rem;
        font-size: 0.95rem;
    }
    
    .submit-button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Footer */
    footer {
        padding: 2rem 1rem;
    }
    
    footer p {
        font-size: 0.9rem;
    }
    
    .social-links {
        gap: 1rem;
        margin-top: 1rem;
    }
    
    .social-links a {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
}

/* Tablet Responsive */
@media (min-width: 769px) and (max-width: 1024px) {
    .albums-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .about-stats {
        gap: 2rem;
    }
    
    .contact-content {
        gap: 3rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 0.9rem;
    }
    
    nav {
        padding: 0.8rem 1rem;
    }
    
    .nav-links {
        font-size: 0.85rem;
        gap: 0.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .album-thumbnail {
        height: 200px;
    }
    
    .about-text h3 {
        font-size: 1.8rem;
    }
    
    .about-description {
        font-size: 1rem;
    }
}