/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10002;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    padding: 14px 20px;
    border-radius: 10px;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
    max-width: 360px;
    width: calc(100vw - 40px);
    pointer-events: auto;
    line-height: 1.4;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.success {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
}

.toast.error {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.toast.warning {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

@media (max-width: 768px) {
    .toast-container {
        left: 16px;
        right: 16px;
        bottom: 16px;
        align-items: center;
    }

    .toast {
        max-width: 100%;
        width: 100%;
        font-size: 13px;
        padding: 12px 16px;
    }
}

/* Intro Overlay */
.intro {
    position: fixed;
    inset: 0;
    background: #1a1a2e;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 1;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

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

.intro.active {
    overflow: hidden;
}

body.intro-active {
    overflow: hidden;
}

.intro-lock {
    margin-bottom: 30px;
    animation: lockFloat 3s ease-in-out infinite;
}

.intro-lock .lock-body {
    width: 80px;
    height: 64px;
    background: linear-gradient(135deg, #d4a574 0%, #c49664 100%);
    border-radius: 14px;
    position: relative;
    box-shadow: 0 15px 35px rgba(212, 165, 116, 0.3);
    animation: lockBodyAppear 0.8s ease 0.3s both;
}

.intro-lock .lock-shackle {
    width: 44px;
    height: 32px;
    border: 7px solid #d4a574;
    border-bottom: none;
    border-radius: 22px 22px 0 0;
    position: absolute;
    top: -28px;
    left: 50%;
    transform: translateX(-50%);
    animation: shackleLock 1s ease 0.5s forwards;
    transform-origin: bottom center;
    opacity: 0;
}

.intro-lock .lock-keyhole {
    width: 10px;
    height: 10px;
    background: #1a1a2e;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 4px rgba(26, 26, 46, 0.3);
}

.intro-content {
    text-align: center;
    color: #fff;
}

.intro-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
    opacity: 0;
    animation: fadeInUp 0.8s ease 1.2s forwards;
}

.intro-subtitle {
    font-size: 14px;
    color: #aaa;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 500;
    opacity: 0;
    animation: fadeInUp 0.8s ease 1.5s forwards;
}

.intro.hidden .intro-lock,
.intro.hidden .intro-content {
    animation: none;
}

.intro.active {
    overflow: hidden;
}

@keyframes lockFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes lockBodyAppear {
    from { opacity: 0; transform: scale(0.6); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes shackleLock {
    from { opacity: 0; transform: translateX(-50%) rotate(-25deg) translateY(-10px); }
    to { opacity: 1; transform: translateX(-50%) rotate(0) translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .intro-lock {
        animation: lockFloat 2s ease-in-out infinite;
    }
    
    .hero::before,
    .hero::after {
        display: none;
    }
    
    .hero {
        animation: none;
        background: #faf8f5;
    }
    
    .service-card:hover {
        transform: none;
    }
    
    .btn:hover {
        transform: none;
    }
    
    .header-icon:hover {
        transform: none;
    }
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #d4a574 0%, #c49664 100%);
    z-index: 10001;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px rgba(212, 165, 116, 0.5);
}

/* Fade In Animations */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

@media (prefers-reduced-motion: reduce) {
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .intro-lock {
        animation: none;
    }

    .hero {
        animation: none;
    }

    .hero::before,
    .hero::after {
        animation: none;
    }

    .floating-phone,
    .floating-zalo,
    .floating-promotion {
        animation: none;
    }

    .promotion-badge {
        animation: none;
    }

    html {
        scroll-behavior: auto;
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-display: swap;
    line-height: 1.6;
    color: #1a1a2e;
    background-color: #ffffff;
    -webkit-tap-highlight-color: transparent;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: #d4a574;
    color: #fff;
    padding: 8px 16px;
    z-index: 10003;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 8px 0;
    transition: top 0.3s;
}

.skip-to-content:focus {
    top: 0;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #f0f0f0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #1a1a2e;
}

.logo-icon {
    font-size: 22px;
}

.logo-text {
    font-size: 15px;
    font-weight: 700;
    color: #1a1a2e;
}

.nav {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: #4a4a6a;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s;
    padding: 4px 0;
}

.nav a:hover {
    color: #d4a574;
}

.nav a:focus-visible,
.header-phone:focus-visible,
.header-icon:focus-visible,
.btn:focus-visible,
.floating-phone:focus-visible,
.floating-zalo:focus-visible,
.floating-promotion:focus-visible,
.scroll-top:focus-visible {
    outline: 2px solid #d4a574;
    outline-offset: 2px;
}

.header-phone {
    text-decoration: none;
    color: #d4a574;
    font-weight: 600;
    font-size: 14px;
    padding: 7px 14px;
    border: 1px solid #d4a574;
    border-radius: 6px;
    transition: all 0.3s;
    white-space: nowrap;
}

.header-phone:hover {
    background: #d4a574;
    color: #fff;
}

.header-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: #fff;
    text-decoration: none;
    transition: transform 0.3s;
    flex-shrink: 0;
}

.header-zalo {
    background: #0068ff;
}

.header-zalo:hover {
    transform: translateY(-2px);
}

.header-facebook {
    background: #1877f2;
}

.header-facebook:hover {
    transform: translateY(-2px);
}

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

.mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #1a1a2e;
    transition: all 0.3s;
}

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

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* Hero Section */
.hero {
    padding: 120px 0 70px;
    background: linear-gradient(135deg, #faf8f5 0%, #f5f0eb 100%);
    background-size: 200% 200%;
    position: relative;
    overflow: hidden;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: floatGlow 8s ease-in-out infinite;
}

.hero::after {
    content: "";
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: floatGlow 10s ease-in-out infinite reverse;
}

@keyframes floatGlow {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(30px, -20px); }
    66% { transform: translate(-20px, 20px); }
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 18px;
    color: #1a1a2e;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 15px;
    color: #4a4a6a;
    margin-bottom: 28px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: #d4a574;
    color: #fff;
}

.btn-primary:hover {
    background: #c49664;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(212, 165, 116, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-secondary {
    background: #fff;
    color: #1a1a2e;
    border: 1px solid #e0e0e0;
}

.btn-secondary:hover {
    border-color: #d4a574;
    color: #d4a574;
    transform: translateY(-1px);
}

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

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 36px;
}

.section-header h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1a1a2e;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: "";
    display: block;
    width: 40px;
    height: 3px;
    background: #d4a574;
    margin: 10px auto 0;
    border-radius: 2px;
    transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.section-header:hover h2::after {
    width: 80px;
}

.section-header p {
    font-size: 14px;
    color: #6a6a8a;
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.6;
}

section {
    padding: 64px 0;
}

/* Services Section */
.services {
    background: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card {
    background: #fff;
    border: 1px solid #f0f0f0;
    border-radius: 12px;
    padding: 28px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
}

.service-card:hover {
    border-color: #d4a574;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.service-icon {
    font-size: 32px;
    margin-bottom: 14px;
    display: block;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.service-card:hover .service-icon {
    transform: scale(1.15) rotate(-5deg);
}

.service-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1a1a2e;
}

.service-card p {
    font-size: 13px;
    color: #6a6a8a;
    line-height: 1.6;
}

/* About Section */
.about {
    background: #faf8f5;
}

.about-text {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.about-text > p {
    font-size: 15px;
    color: #4a4a6a;
    margin-bottom: 18px;
    line-height: 1.7;
}

.about-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 24px;
    padding: 0;
    text-align: left;
}

.about-features li {
    font-size: 13px;
    color: #4a4a6a;
    line-height: 1.5;
    padding-left: 16px;
    position: relative;
}

.about-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #d4a574;
    font-weight: 700;
}

.about-features li strong {
    color: #1a1a2e;
}

/* Promotion Section */
.promotion {
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    color: #fff;
    padding: 64px 0;
}

.promotion-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.promotion-badge {
    font-size: 64px;
    margin-bottom: 16px;
    animation: bounce 2s ease-in-out infinite;
}

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

.promotion h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
    color: #d4a574;
}

.promotion-subtitle {
    font-size: 16px;
    color: #ccc;
    margin-bottom: 24px;
    line-height: 1.6;
}

.promotion-subtitle strong {
    color: #fff;
    font-size: 18px;
}

.promotion-gift {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(212, 165, 116, 0.15);
    border: 2px solid #d4a574;
    border-radius: 12px;
    padding: 20px 32px;
    margin-bottom: 24px;
}

.gift-icon {
    font-size: 40px;
}

.promotion-gift p {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin: 0;
}

.promotion-gift strong {
    color: #d4a574;
    font-size: 20px;
}

.btn-promotion {
    padding: 16px 32px;
    font-size: 16px;
    background: #d4a574;
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.btn-promotion:hover {
    background: #c49664;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(212, 165, 116, 0.4);
}

/* Map Section */
.map-section {
    background: #fff;
}

.map-wrapper {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
}

.map-wrapper iframe {
    display: block;
}

.map-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.map-actions .btn svg {
    flex-shrink: 0;
}

/* Service Area Section */
.service-area {
    background: #faf8f5;
}

.area-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.area-item {
    background: #fff;
    border: 1px solid #e8e4df;
    border-radius: 20px;
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 500;
    color: #4a4a6a;
    transition: all 0.3s;
}

.area-item:hover {
    border-color: #d4a574;
    color: #d4a574;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 165, 116, 0.12);
}

/* Appointment Section */
.appointment {
    background: #fff;
}

.appointment-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: start;
}

.appointment-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.appointment-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: #faf8f5;
    border-radius: 12px;
    border: 1px solid #f0f0f0;
    transition: all 0.3s;
}

.appointment-feature:hover {
    border-color: #d4a574;
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.appointment-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.appointment-text h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
    color: #1a1a2e;
}

.appointment-text p {
    font-size: 13px;
    color: #6a6a8a;
    line-height: 1.6;
}

.appointment-form-wrapper {
    background: #fff;
    padding: 28px;
    border-radius: 12px;
    border: 1px solid #f0f0f0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.appointment-form .form-group input[type="date"],
.appointment-form .form-group select {
    cursor: pointer;
}

/* Contact Section */
.contact {
    background: #faf8f5;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: start;
}

.contact-info {
    font-size: 14px;
    color: #4a4a6a;
    line-height: 1.8;
}

.contact-info p {
    margin-bottom: 10px;
}

.contact-info a {
    color: #d4a574;
    text-decoration: none;
}

.contact-info strong {
    color: #1a1a2e;
    font-weight: 600;
}

.contact-form-wrapper {
    background: #fff;
    padding: 28px;
    border-radius: 12px;
    border: 1px solid #f0f0f0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #4a4a6a;
    margin-bottom: 5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s;
    background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #d4a574;
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

/* Footer */
.footer {
    background: #1a1a2e;
    color: #fff;
    padding: 44px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-icon {
    font-size: 22px;
}

.footer-brand .logo-text {
    font-size: 15px;
    font-weight: 700;
    margin-left: 8px;
    color: #fff;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.footer-brand p {
    color: #aaa;
    font-size: 12px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-social {
    display: flex;
    gap: 8px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 5px 10px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 12px;
    transition: background 0.3s;
}

.social-link:hover {
    background: #d4a574;
}

.footer-links h4 {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 6px;
    font-size: 13px;
    color: #aaa;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #d4a574;
}

.footer-bottom {
    padding: 16px 0;
    text-align: center;
    font-size: 12px;
    color: #aaa;
}

/* Floating Phone Button */
.floating-phone {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: #d4a574;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(212, 165, 116, 0.35);
    z-index: 999;
    will-change: transform;
    backface-visibility: hidden;
    animation: phonePulse 2.5s ease-in-out infinite;
}

.floating-zalo {
    position: fixed;
    bottom: 24px;
    right: 88px;
    width: 48px;
    height: 48px;
    background: #0068ff;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(0, 104, 255, 0.35);
    z-index: 999;
    will-change: transform;
    backface-visibility: hidden;
    animation: zaloPulse 2.5s ease-in-out infinite;
}

.floating-promotion {
    position: fixed;
    bottom: 90px;
    right: 24px;
    width: 50px;
    height: 50px;
    background: #fff;
    color: #d4a574;
    border: 2px solid #d4a574;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    z-index: 999;
    will-change: transform;
    backface-visibility: hidden;
    animation: promotionFloat 3s ease-in-out infinite;
    transition: all 0.3s;
}

.floating-promotion:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 6px 20px rgba(212, 165, 116, 0.4);
}

@keyframes promotionFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-8px) rotate(-5deg); }
    75% { transform: translateY(-4px) rotate(5deg); }
}

@keyframes phonePulse {
    0%, 100% { box-shadow: 0 8px 24px rgba(212, 165, 116, 0.35); }
    50% { box-shadow: 0 8px 32px rgba(212, 165, 116, 0.6), 0 0 0 8px rgba(212, 165, 116, 0); }
}

@keyframes zaloPulse {
    0%, 100% { box-shadow: 0 6px 20px rgba(0, 104, 255, 0.35); }
    50% { box-shadow: 0 6px 28px rgba(0, 104, 255, 0.6), 0 0 0 8px rgba(0, 104, 255, 0); }
}

/* Scroll To Top Button */
.scroll-top {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 44px;
    height: 44px;
    background: #fff;
    color: #d4a574;
    border: 2px solid #d4a574;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: #d4a574;
    color: #fff;
    transform: translateY(-2px);
}

.scroll-top svg {
    width: 20px;
    height: 20px;
}

/* Stats Section */
.stats {
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    color: #fff;
    padding: 64px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 40px;
    font-weight: 800;
    color: #d4a574;
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

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

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid #f0f0f0;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }

    .nav.active {
        display: flex;
    }

    .header-phone {
        display: none;
    }

    .header-icon {
        width: 32px;
        height: 32px;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 0 40px;
    }

    .hero h1 {
        font-size: 26px;
        letter-spacing: -0.3px;
    }

    .hero p {
        font-size: 14px;
        margin-bottom: 22px;
    }

    .hero-actions {
        flex-direction: column;
        gap: 10px;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
        font-size: 15px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .service-card {
        padding: 24px;
    }

    .service-icon {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .service-card h3 {
        font-size: 15px;
    }

    .about-features {
        grid-template-columns: 1fr;
        gap: 8px 0;
    }

    .about-features li {
        font-size: 13px;
        padding-left: 14px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .contact-form-wrapper {
        padding: 20px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 14px;
        font-size: 16px;
        min-height: 44px;
    }

    .form-group label {
        font-size: 14px;
        margin-bottom: 6px;
    }

    .btn {
        padding: 14px 20px;
        font-size: 15px;
        min-height: 44px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .section-header h2 {
        font-size: 22px;
    }

    .section-header p {
        font-size: 13px;
    }

    section {
        padding: 48px 0;
    }

    .map-wrapper iframe {
        height: 280px;
    }

    .map-actions {
        flex-direction: column;
    }

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

    .floating-phone {
        bottom: max(70px, env(safe-area-inset-bottom));
        right: 16px;
        width: 50px;
        height: 50px;
        font-size: 18px;
    }

    .floating-zalo {
        bottom: max(16px, env(safe-area-inset-bottom));
        right: 76px;
        width: 42px;
        height: 42px;
    }

    .floating-promotion {
        bottom: max(16px, env(safe-area-inset-bottom));
        right: 16px;
        width: 42px;
        height: 42px;
        font-size: 18px;
    }

    .scroll-progress {
        height: 2px;
    }

    .intro-lock .lock-body {
        width: 64px;
        height: 52px;
    }

    .intro-lock .lock-shackle {
        width: 36px;
        height: 26px;
        border-width: 6px;
        top: -22px;
    }

    .intro-lock .lock-keyhole {
        width: 8px;
        height: 8px;
    }

    .intro-title {
        font-size: 26px;
    }

    .intro-subtitle {
        font-size: 12px;
        letter-spacing: 2px;
    }

    .contact-info {
        font-size: 14px;
    }

    .contact-info p {
        margin-bottom: 8px;
    }

    .header-content {
        padding: 10px 0;
    }

    .logo-icon {
        font-size: 20px;
    }

    .logo-text {
        font-size: 14px;
    }

    .stats {
        padding: 48px 0;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-number {
        font-size: 32px;
    }

    .stat-label {
        font-size: 12px;
    }

    .scroll-top {
        bottom: max(16px, env(safe-area-inset-bottom));
        left: 16px;
        width: 40px;
        height: 40px;
    }

    .promotion h2 {
        font-size: 26px;
    }

    .promotion-badge {
        font-size: 48px;
    }

    .promotion-gift {
        padding: 16px 24px;
    }

    .gift-icon {
        font-size: 32px;
    }

    .promotion-gift p {
        font-size: 16px;
    }

    .promotion-subtitle {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 90px 0 32px;
    }

    .hero h1 {
        font-size: 24px;
    }

    .hero p {
        font-size: 13px;
    }

    .section-header h2 {
        font-size: 20px;
    }

    .service-card {
        padding: 20px;
    }

    .service-icon {
        font-size: 26px;
    }

    .service-card h3 {
        font-size: 14px;
    }

    .contact-form-wrapper {
        padding: 16px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 12px;
    }

    .map-wrapper iframe {
        height: 220px;
    }

    .floating-phone {
        width: 46px;
        height: 46px;
        bottom: max(60px, env(safe-area-inset-bottom));
        right: 14px;
    }

    .floating-zalo {
        width: 38px;
        height: 38px;
        bottom: max(14px, env(safe-area-inset-bottom));
        right: 64px;
    }

    .floating-promotion {
        width: 38px;
        height: 38px;
        bottom: max(14px, env(safe-area-inset-bottom));
        right: 14px;
        font-size: 16px;
    }

    .scroll-top {
        width: 36px;
        height: 36px;
        bottom: max(14px, env(safe-area-inset-bottom));
        left: 14px;
    }

    .intro-title {
        font-size: 22px;
    }

    .intro-subtitle {
        font-size: 11px;
    }

    .intro-lock .lock-body {
        width: 56px;
        height: 44px;
    }

    .intro-lock .lock-shackle {
        width: 30px;
        height: 22px;
        border-width: 5px;
        top: -18px;
    }

    .stats-grid {
        gap: 12px;
    }

    .stat-number {
        font-size: 28px;
    }

    .area-item {
        font-size: 12px;
        padding: 8px 14px;
    }

    .appointment-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .appointment-feature {
        padding: 14px;
    }

    .appointment-icon {
        font-size: 24px;
    }

    .appointment-text h4 {
        font-size: 14px;
    }

    .appointment-form-wrapper {
        padding: 16px;
    }

    .promotion {
        padding: 48px 0;
    }

    .promotion h2 {
        font-size: 22px;
    }

    .promotion-badge {
        font-size: 40px;
    }

    .promotion-gift {
        padding: 14px 20px;
    }

    .gift-icon {
        font-size: 28px;
    }

    .promotion-gift p {
        font-size: 15px;
    }

    .promotion-subtitle {
        font-size: 13px;
    }

    .promotion-subtitle strong {
        font-size: 16px;
    }
}