/* Root Variables */
:root {
    --primary-color: #D4A574;      /* Vàng đậm */
    --secondary-color: #4A7C59;    /* Xanh Hội An */
    --brown-color: #8B6F47;        /* Nâu cà phê */
    --dark-brown: #2c1810;         /* Nâu đậm */
    --white: #FFFFFF;
    --cream: #f8f4e6;
    --text-dark: #2c1810;
    --text-light: #5a4a3a;
    --shadow: rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Nunito', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: linear-gradient(to bottom, rgba(212, 165, 116, 0.95), rgba(212, 165, 116, 0.9));
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow);
    backdrop-filter: blur(10px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-brown);
}

.navbar-brand .logo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.brand-name {
    font-family: 'Playfair Display', serif;
}

.navbar-toggler {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.navbar-toggler span {
    width: 30px;
    height: 3px;
    background: var(--dark-brown);
    transition: var(--transition);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--dark-brown);
    font-weight: 600;
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--dark-brown);
    transition: width 0.3s ease;
}

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

.contact-btn {
    background: var(--secondary-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-btn:hover {
    background: #3d6749;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 124, 89, 0.3);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.4)), 
                url('/images/hero.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 165, 116, 0.3), rgba(74, 124, 89, 0.3));
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    font-weight: 300;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--white);
    border-radius: 10px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--brown-color);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--dark-brown);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(139, 111, 71, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

/* Section Common Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--dark-brown);
    margin-bottom: 15px;
}

.title-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--brown-color), var(--secondary-color));
    margin: 0 auto;
    border-radius: 2px;
}

/* About Section */
.about-section {
    background: var(--cream);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--brown-color);
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.mission-box {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    border-left: 4px solid var(--brown-color);
    margin: 30px 0;
    box-shadow: 0 4px 15px var(--shadow);
}

.mission-box h4 {
    color: var(--brown-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.mission-box p {
    margin-bottom: 15px;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow);
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    padding: 30px;
}

.image-overlay p {
    font-size: 1.2rem;
    font-weight: 600;
}

/* Features Section */
.features-section {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--cream);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--shadow);
    border-color: var(--brown-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--brown-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--dark-brown);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Ambiance Section */
.ambiance-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
}

.ambiance-section .section-title {
    color: var(--white);
}

.ambiance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.ambiance-item {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    transition: var(--transition);
}

.ambiance-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.ambiance-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.ambiance-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.ambiance-item p {
    font-size: 1.1rem;
    line-height: 1.7;
    opacity: 0.95;
}

/* Services Section */
.services-section {
    background: var(--cream);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 5px 20px var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--brown-color);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(rgba(139, 111, 71, 0.9), rgba(139, 111, 71, 0.9)), 
                url('/images/cta-bg.jpg') center/cover fixed;
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-section .btn-secondary {
    border-color: var(--white);
    color: var(--white);
}

.cta-section .btn-secondary:hover {
    background: var(--white);
    color: var(--brown-color);
}

/* Map Section */
.map-section {
    background: var(--white);
}

.map-container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow);
    margin-bottom: 30px;
}

.location-info {
    text-align: center;
    padding: 30px;
    background: var(--cream);
    border-radius: 15px;
}

.location-details h3 {
    font-size: 1.5rem;
    color: var(--brown-color);
    margin-bottom: 10px;
}

.location-details p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background: var(--dark-brown);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.footer-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 15px;
}

.footer-tagline {
    font-style: italic;
    opacity: 0.9;
    margin-top: 10px;
}

.footer-section p {
    margin-bottom: 10px;
    line-height: 1.8;
    opacity: 0.9;
}

.footer-section a {
    color: var(--primary-color);
    text-decoration: underline;
}

.footer-section a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--white);
}

    .social-link svg {
        width: 20px;
        height: 20px;
        fill: currentColor;
    }

    .social-link:hover {
        background: var(--white);
        color: var(--dark-brown);
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(212, 165, 116, 0.5);
    }

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-toggler {
        display: flex;
    }

    .navbar-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(212, 165, 116, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        display: none;
        box-shadow: 0 5px 15px var(--shadow);
    }

    .navbar-menu.active {
        display: flex;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .features-grid,
    .ambiance-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Utility Classes */
.img-fluid {
    max-width: 100%;
    height: auto;
}

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

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}