/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Elegant and sophisticated */
    --primary-color: #1a237e;
    --primary-light: #3949ab;
    --primary-dark: #0d1b5e;
    --secondary-color: #ffd700;
    --secondary-light: #ffeb3b;
    --secondary-dark: #f57f17;
    --accent-color: #00bcd4;
    --text-primary: #212121;
    --text-secondary: #757575;
    --text-light: #ffffff;
    --background-light: #fafafa;
    --background-dark: #263238;
    --card-background: #ffffff;
    --border-light: #e0e0e0;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-dark: rgba(0, 0, 0, 0.25);
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 100%);
    --gradient-overlay: linear-gradient(rgba(26, 35, 126, 0.8), rgba(26, 35, 126, 0.6));
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
    --card-padding: 30px;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
    color: var(--text-light);
}

.car-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

.loading-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--secondary-color);
    animation: wave 1.4s linear infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

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

@keyframes wave {
    0%, 60%, 100% {
        transform: initial;
    }
    30% {
        transform: translateY(-15px);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-smooth);
    border-bottom: 1px solid rgba(224, 224, 224, 0.3);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px var(--shadow-light);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-logo img {
    height: 40px;
    width: auto;
    border-radius: 8px;
}

.nav-menu {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    position: relative;
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

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

.contact-btn .phone-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 12px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(26, 35, 126, 0.3);
}

.contact-btn .phone-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 35, 126, 0.4);
}

.desktop-only {
    display: inline;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    animation: ken-burns 20s infinite;
}

.slide.active {
    opacity: 1;
}

@keyframes ken-burns {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

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

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-text {
    max-width: 700px;
    text-align: center;
    margin: 0 auto;
    color: var(--text-light);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards;
}

.title-line-1,
.title-line-2 {
    display: block;
}

.title-line-2 {
    color: var(--secondary-color);
    font-size: 0.9em;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.8;
    opacity: 0;
    animation: fadeInUp 1s ease 0.8s forwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease 1.1s forwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-secondary);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(245, 127, 23, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(245, 127, 23, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-light);
    text-align: center;
    opacity: 0.8;
    animation: float 3s ease-in-out infinite;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-light);
    border-radius: 12px;
    margin: 0 auto 10px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--text-light);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

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

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

@keyframes scroll-wheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--background-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    background: var(--card-background);
    padding: var(--card-padding);
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px var(--shadow-light);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-light);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-medium);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-light);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--primary-color);
    font-weight: 600;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

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

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

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--primary-color);
    margin-bottom: 16px;
    font-weight: 600;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--card-background);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-light);
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px var(--shadow-medium);
}

.service-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 35, 126, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.service-card:hover .service-overlay {
    opacity: 1;
}

.service-icon {
    font-size: 3rem;
    color: var(--text-light);
    animation: pulse 2s infinite;
}

.service-content {
    padding: var(--card-padding);
}

.service-content h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.service-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.service-features i {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

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

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

.about-text h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.about-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.7;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--card-background);
    border-radius: 15px;
    box-shadow: 0 5px 15px var(--shadow-light);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.stat-text {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.about-feature i {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px var(--shadow-medium);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.about-image:hover .image-overlay {
    opacity: 1;
}

.play-button {
    width: 80px;
    height: 80px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-bounce);
}

.play-button:hover {
    transform: scale(1.1);
}

/* Testimonials Section */
.testimonials {
    padding: var(--section-padding);
    background: var(--primary-color);
    color: var(--text-light);
}

.testimonials .section-title {
    color: var(--text-light);
}

.testimonials .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial-card {
    opacity: 0;
    transform: translateX(100px);
    transition: var(--transition-smooth);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.testimonial-card.active {
    opacity: 1;
    transform: translateX(0);
    position: relative;
}

.testimonial-content {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stars {
    margin-bottom: 20px;
}

.stars i {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin: 0 2px;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 25px;
    font-style: italic;
    opacity: 0.9;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.author-info h4 {
    font-weight: 600;
    margin-bottom: 5px;
}

.author-info span {
    font-size: 0.9rem;
    opacity: 0.7;
}

.testimonial-navigation {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.nav-dot.active {
    background: var(--secondary-color);
    transform: scale(1.2);
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background: var(--card-background);
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow-light);
    transition: var(--transition-smooth);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-medium);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-light);
    flex-shrink: 0;
}

.contact-icon.zalo-bg {
    background: #ffffff;
    border: 2px solid #ffd700;
}

.zalo-img {
    width: 36px;
    height: 36px;
    object-fit: cover;
    border-radius: 8px;
}

.contact-details h3 {
    color: var(--primary-color);
    margin-bottom: 5px;
    font-weight: 600;
}

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

.booking-card {
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(26, 35, 126, 0.3);
}

.booking-card h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.booking-card p {
    opacity: 0.9;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 25px;
}

.btn-large {
    padding: 18px 35px;
    font-size: 1.1rem;
    justify-content: center;
}

.btn-zalo {
    background: #0068ff;
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(0, 104, 255, 0.3);
}

.btn-zalo:hover {
    background: #0056d6;
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 104, 255, 0.4);
}

.quick-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    opacity: 0.9;
}

.info-item i {
    color: var(--secondary-color);
}

/* Footer */
.footer {
    background: var(--background-dark);
    color: var(--text-light);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-brand img {
    width: 60px;
    height: auto;
    border-radius: 10px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    font-weight: 600;
}

.footer-brand p {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-contact h4 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Floating Action Buttons */
.floating-actions {
    position: fixed;
    bottom: 6px;
    right: 6px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 100;
}

.fab-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.5rem;
    box-shadow: 0 4px 20px var(--shadow-medium);
    transition: var(--transition-bounce);
    animation: float 3s ease-in-out infinite;
}

.fab-phone {
    background: var(--gradient-secondary);
    color: var(--text-primary);
}

.fab-zalo {
    background: #ffffff;
    color: #0068ff;
    border: 2px solid #0068ff;
}

.fab-btn:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-dark);
}

.fab-zalo:nth-child(2) {
    animation-delay: 0.5s;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 100;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(26, 35, 126, 0.4);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .desktop-only {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
        --card-padding: 20px;
    }
    /* Hide duplicate phone button in header on mobile */
    .navbar .contact-btn { display: none; }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .action-buttons {
        gap: 12px;
    }
    
    .floating-actions {
        bottom: 2px;
        right: 2px;
    }
    
    .fab-btn {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 12px 15px;
    }
    
    .hero-text {
        padding: 0 15px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .testimonial-content {
        padding: 25px;
    }
    
    .booking-card {
        padding: 30px 20px;
    }
}

/* Zalo SVG Support - Clean logos without background */
.zalo-img {
    width: 3rem;
    height: 2rem;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.zalo-img-btn {
    width: 28px;
    height: 18px;
    margin-right: 10px;
    vertical-align: middle;
    object-fit: contain;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.zalo-img-small {
    width: 24px;
    height: 16px;
    margin-right: 8px;
    vertical-align: middle;
    object-fit: contain;

.zalo-img-btn, .zalo-img-fab {
    width: 32px;
    height: 32px;
    object-fit: cover;
    border-radius: 8px;
}
}

.zalo-img-fab {
    width: 36px;
    height: 24px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Make contact icons more prominent */
.contact-icon {
    min-width: 80px;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Zalo button background */
.btn-zalo {
    background: #0068ff !important;
    border-color: #0068ff !important;
}

.fab-zalo {
    background: #0068ff !important;
}

/* Mobile-specific styles for call-to-action */
@media (max-width: 768px) {
    .contact-btn .phone-btn {
        background: var(--gradient-secondary);
        color: var(--text-primary);
    }
    /* Adjust floating actions position on mobile */
    .floating-actions {
        bottom: 2px;
        right: 2px;
    }
    
    .fab-btn {
        box-shadow: 0 4px 20px var(--shadow-dark);
        border: 2px solid rgba(255, 255, 255, 0.9);
    }
}

/* Phone Number Styling */
.phone-number-large {
    font-size: 1.4em;
    font-weight: 700;
    color: var(--secondary-color);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.phone-number-nav {
    font-size: 1.1em;
    font-weight: 600;
}

.phone-number-contact {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--primary-color);
}

.phone-number-booking {
    font-size: 1.1em;
    font-weight: 700;
}

.phone-number-footer {
    font-size: 1.1em;
    font-weight: 600;
}

/* Enhanced Hero Hotline Styling */
.btn-hotline-large {
    position: relative;
    overflow: hidden;
    padding: 20px 40px;
    min-width: 400px;
    max-width: 600px;
    width: auto;
    justify-content: center;
    font-size: 1.1rem;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-hotline-large:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.hotline-icon {
    font-size: 1.5rem;
    margin-right: 15px;
    color: var(--secondary-color);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hotline-text-large {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.hotline-label {
    font-size: 1.3rem;
    color: var(--text-light);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.phone-number-hero {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 1px;
}

.btn-hotline {
    position: relative;
    overflow: hidden;
}

.hotline-text {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Floating Actions Reorder */
.floating-actions {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 100;
}

.back-to-top {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 100;
    box-shadow: 0 4px 20px var(--shadow-medium);
    position: static;
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(26, 35, 126, 0.4);
}

/* Desktop phone number display */
@media (min-width: 769px) {
    .fab-phone {
        display: flex; /* Show phone button on desktop too */
    }
}

/* Mobile phone call optimization */
@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }
    
    .contact-btn .phone-btn {
        padding: 10px 15px;
    }
    
    .hero-buttons .btn-secondary {
        background: rgba(255, 255, 255, 0.9);
        color: var(--primary-color);
        border: none;
    }
    
    .phone-number-large {
        font-size: 1.2em;
    }
    
    .floating-actions {
        bottom: 4px;
        right: 4px;
    }
    
    .fab-btn {
        width: 55px;
        height: 55px;
    }
    
    /* Mobile hotline adjustments */
    .btn-hotline-large {
        min-width: 300px;
        max-width: 90vw;
        padding: 15px 25px;
        font-size: 1rem;
    }
    
    .hotline-label {
        font-size: 1.1rem;
    }
    
    .phone-number-hero {
        font-size: 1.3rem;
    }
    
    .hotline-icon {
        font-size: 1.3rem;
        margin-right: 10px;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Selection Color */
::selection {
    background: var(--secondary-color);
    color: var(--text-primary);
}

/* Focus States */
.btn:focus,
.nav-link:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .floating-actions,
    .back-to-top {
        display: none;
    }
    
    .hero {
        height: auto;
        padding: 40px 0;
    }
    
    * {
        box-shadow: none !important;
    }
}