/* --- Variables & Reset --- */
:root {
    --primary-color: #3B82F6; /* Xanh dương hiện đại */
    --primary-dark: #2563EB;
    --accent-color: #34D399; /* Xanh mint */
    --header-height: 72px;    /* Chiều cao header cố định */
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --bg-white: #FFFFFF;
    --bg-light: #F3F4F6;
    --gradient-bg: linear-gradient(135deg, #E0F2FE 0%, #FFFFFF 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden !important;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    width: 100%;
    max-width: 100%;
    overflow-x: hidden !important;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 16px;
    padding-right: 16px;
    width: 100%;
}

/* --- Typography & Utilities --- */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

p {
    color: var(--text-light);
}

.highlight {
    color: var(--primary-color);
}

.section-padding {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

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

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

.btn-white:hover {
    background-color: #f0f0f0;
    transform: scale(1.05);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.2rem;
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    max-width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    z-index: 1001;
}

.header-logo-img {
    height: 55px; /* Tăng kích thước */
    width: auto;
    border-radius: 50%; /* Bo tròn */
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-menu ul {
    display: flex;
    gap: 20px;
}

.nav-link {
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    color: var(--text-dark);
}

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

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
    z-index: 1001;
}

.nav-actions {
    display: flex;
    gap: 10px;
}

/* --- Hero Section Upgrade --- */
.hero {
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background-color: #F9FAFB;
    /* Tech Background: Gradient nhẹ + Pattern chấm (Dots) */
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(52, 211, 153, 0.1) 0px, transparent 50%),
        radial-gradient(#E5E7EB 1.5px, transparent 1.5px);
    background-size: 100% 100%, 100% 100%, 30px 30px;
    background-position: 0 0, 0 0, 0 0;
    animation: bgPulse 10s ease-in-out infinite alternate;
}

@keyframes bgPulse {
    0% { background-position: 0 0, 0 0, 0 0; }
    100% { background-position: 0 0, 0 0, 0 10px; } /* Hiệu ứng parallax nhẹ cho pattern */
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0; /* Nằm dưới nội dung */
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    width: 100%;
    padding-top: 20px;
    padding-bottom: 20px;
    z-index: 2; /* Đảm bảo nội dung nổi trên canvas */
    position: relative;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem); /* Responsive font size */
    margin-bottom: 20px;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hero-content .subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 90%;
    color: var(--text-light);
}

.hero-btns {
    display: flex;
    gap: 20px;
}

/* Hero Illustration (CSS Only) */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    animation: floatHero 6s ease-in-out infinite;
}

.map-illustration {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1 / 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

@keyframes floatHero {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.map-icon {
    font-size: clamp(180px, 50vw, 300px);
    color: #DBEAFE;
}

.shield-badge {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: clamp(70px, 20vw, 100px);
    height: clamp(84px, 24vw, 120px);
    background: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 20px;
    font-size: clamp(30px, 8vw, 50px);
    color: white;
    box-shadow: 0 20px 25px -5px rgba(59, 130, 246, 0.4);
    animation: float 3s ease-in-out infinite;
}

.location-dot {
    position: absolute;
    width: 15px;
    height: 15px;
    background-color: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.3);
}

.dot-moscow { top: 35%; left: 45%; }
.dot-spb { top: 30%; left: 35%; }

@keyframes float {
    0%, 100% { transform: translate(-50%, -50%); }
    50% { transform: translate(-50%, -60%); }
}

/* --- Services Grid --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    text-align: center;
}

.service-card {
    background: white;
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

.google { color: #DB4437; }
.youtube { color: #FF0000; }
.facebook { color: #4267B2; }
.telegram { color: #0088cc; }
.instagram { color: #C13584; }
.netflix { color: #E50914; }

/* --- Features Section --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid #eee;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary-color);
    background-color: #F0F9FF;
}

.icon-box {
    width: 60px;
    height: 60px;
    background-color: #DBEAFE;
    color: var(--primary-color);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 10px;
}

/* --- Servers Section --- */
.servers-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.server-status-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 15px;
}

.server-item {
    background: white;
    padding: 15px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.server-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-color);
}

.server-name {
    display: flex;
    align-items: center;
    gap: 15px;
}

.server-name i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.server-name strong {
    display: block;
    color: var(--text-dark);
}

.server-ping {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--accent-color);
}

.badge {
    background-color: var(--accent-color);
    color: white;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 0;
    display: inline-block;
}

/* Interactive Map */
.interactive-map {
    width: 100%;
    height: 300px;
    background: #1F2937;
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map-grid {
    position: absolute;
    width: 200%;
    height: 200%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0) translateZ(-200px); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(40px) translateZ(-200px); }
}

.map-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.node-led { top: 30%; left: 20%; }
.node-mow { top: 45%; left: 30%; }
.node-ovb { top: 60%; left: 70%; }

.dot {
    width: 12px;
    height: 12px;
    background-color: var(--accent-color);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0 10px var(--accent-color);
}

.pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background-color: rgba(52, 211, 153, 0.5);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { width: 12px; height: 12px; opacity: 1; }
    100% { width: 40px; height: 40px; opacity: 0; }
}

.node-label {
    margin-top: 8px;
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(0,0,0,0.5);
    padding: 2px 6px;
    border-radius: 4px;
}

/* --- Pricing Section --- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    align-items: center;
}

.pricing-card {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid #eee;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.pricing-card.popular {
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px -10px rgba(59, 130, 246, 0.2);
    transform: scale(1.05);
    z-index: 2;
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
}

.badge-popular {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 20px 0;
}

.price span {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
}

.save-text {
    color: var(--accent-color);
    font-weight: 700;
    margin-bottom: 20px;
}

.features-list {
    margin-bottom: 30px;
    text-align: left;
}

.features-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.features-list i {
    color: var(--accent-color);
}

/* --- Guide Timeline --- */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: #ddd;
}

.timeline-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
    position: relative;
}

.timeline-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    border: 4px solid white;
}

.timeline-content {
    width: 45%;
    background: white;
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(even) .timeline-content {
    text-align: right;
}

/* --- CTA Section --- */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    padding: 80px 0;
    text-align: center;
    color: white;
}

.cta-section h2 {
    color: white;
    margin-bottom: 20px;
}

.cta-section p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    font-size: 1.2rem;
}

/* --- Footer --- */
footer {
    background-color: #111827;
    color: #9CA3AF;
    padding: 60px 0 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    color: white;
    margin-bottom: 20px;
}

.footer-logo .logo-text {
    background: none;
    -webkit-text-fill-color: white;
    color: white;
}

.footer-logo-img {
    height: 60px; /* Logo footer to hơn một chút */
    width: auto;
    border-radius: 50%;
    margin-right: 10px;
}

.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #374151;
    padding-top: 20px;
    font-size: 0.9rem;
}

/* --- Animations & Responsive --- */

/* Animation Classes */
.hidden-up { opacity: 0; transform: translateY(50px); transition: all 0.8s ease; }
.hidden-left { opacity: 0; transform: translateX(-50px); transition: all 0.8s ease; }
.hidden-right { opacity: 0; transform: translateX(50px); transition: all 0.8s ease; }
.hidden-zoom { opacity: 0; transform: scale(0.8); transition: all 0.8s ease; }

.show { opacity: 1; transform: translate(0) scale(1); }

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }

/* Responsive Media Queries */
@media (max-width: 768px) {
    section,
    header,
    footer {
        max-width: 100%;
        overflow-x: hidden;
    }

    .site-header {
        height: var(--header-height);
        padding: 0;
    }

    .header-container { padding: 0 16px; }

    .header-logo-img {
        height: 42px; /* Tăng kích thước trên mobile */
        border-radius: 50%;
    }

    .logo {
        font-size: 18px;
        font-weight: 600;
    }
    
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        font-size: 22px;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        width: 100%;
        max-width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px 16px;
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        gap: 20px;
        align-items: flex-start;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-menu ul {
        flex-direction: column;
        width: 100%;
        gap: 15px;
    }

    .nav-actions {
        flex-direction: column;
        width: 100%;
        margin-top: 10px;
    }

    .nav-actions .btn {
        width: 100%;
        text-align: center;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
        padding-top: 40px; /* Thêm khoảng cách trên mobile */
        padding-bottom: 40px;
    }

    .hero-btns {
        flex-direction: column;
        width: 100%;
        max-width: 300px; /* Giới hạn chiều rộng nút trên mobile */
        margin: 0 auto;
        gap: 15px;
    }

    .hero-btns .btn {
        width: 100%;
        display: block;
        text-align: center;
    }

    .hero-content h1 { font-size: 2.5rem; }
    
    .hero-content .subtitle { margin-left: auto; margin-right: auto; }

    .hero-image {
        margin: 0 auto;
        max-width: 300px;
        order: -1; /* Đưa ảnh lên trên text ở mobile (tùy chọn, nếu muốn giữ text trên thì bỏ dòng này) */
    }

    .servers-layout { grid-template-columns: 1fr; }
    .servers-map { display: none; } /* Hide map on mobile for simplicity */

    .timeline::before { left: 20px; }
    .timeline-number { left: 20px; }
    .timeline-item, .timeline-item:nth-child(even) {
        flex-direction: row;
        justify-content: flex-start;
        padding-left: 60px;
    }
    .timeline-content { width: 100%; text-align: left !important; }
    
    .pricing-card.popular { transform: scale(1); }
}

/* --- Chat Widget --- */
.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.chat-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    cursor: pointer;
    font-size: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    position: relative;
}

.chat-btn:hover {
    transform: scale(1.1);
    background: var(--primary-dark);
}

.chat-btn .close-icon {
    display: none;
    position: absolute;
}

.chat-widget.active .chat-btn .open-icon {
    display: none;
}

.chat-widget.active .chat-btn .close-icon {
    display: block;
}

.chat-widget.active .chat-btn {
    background: var(--text-dark);
    transform: rotate(90deg);
}

.chat-popup {
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    align-items: flex-end;
}

.chat-widget.active .chat-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.chat-item {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: all 0.2s;
}

.chat-item:hover {
    transform: translateX(-5px);
}

.chat-label {
    background: white;
    padding: 5px 10px;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    white-space: nowrap;
}

.chat-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.zalo .chat-icon {
    background: #0068FF; /* Zalo Blue */
}

.whatsapp .chat-icon {
    background: #25D366; /* WhatsApp Green */
}

/* --- Welcome Popup --- */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: white;
    width: 90%;
    max-width: 400px;
    border-radius: 20px;
    padding: 30px;
    position: relative;
    transform: scale(0.8);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    text-align: center;
}

.popup-overlay.active .popup-content {
    transform: scale(1);
}

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #f3f4f6;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: #6b7280;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.popup-close:hover {
    background: #e5e7eb;
    color: #1f2937;
}

.popup-logo {
    width: 80px;
    height: auto;
    margin-bottom: 15px;
}

.popup-header h3 {
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 1.4rem;
}

.popup-header p {
    font-size: 0.9rem;
    margin-bottom: 20px;
    color: var(--text-light);
}

.popup-groups {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.btn-popup {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px;
    border-radius: 12px;
    font-weight: 600;
    color: white;
    transition: transform 0.2s;
    text-decoration: none;
}

.btn-popup:hover {
    transform: translateY(-2px);
    color: white;
}

.btn-zalo {
    background: #0068FF;
    box-shadow: 0 4px 12px rgba(0, 104, 255, 0.3);
}

.btn-whatsapp {
    background: #25D366;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.popup-divider {
    position: relative;
    text-align: center;
    margin: 20px 0;
}

.popup-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: #e5e7eb;
}

.popup-divider span {
    background: white;
    padding: 0 10px;
    position: relative;
    color: #6b7280;
    font-size: 0.85rem;
    font-weight: 500;
}

.popup-contacts {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background: #f9fafb;
    padding: 10px 15px;
    border-radius: 12px;
    text-align: left;
}

.contact-item i {
    width: 36px;
    height: 36px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.contact-item strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.contact-item a {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
}

.btn-link-muted {
    background: #FFFFFF;
    border: 2px solid #E5E7EB;
    color: #4B5563;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    margin-top: 15px;
    transition: all 0.2s;
    padding: 14px 15px;
    border-radius: 12px;
    width: 100%;
    display: block;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.btn-link-muted:hover {
    background: #F9FAFB;
    border-color: #9CA3AF;
    color: #111827;
    transform: translateY(-2px);
}