/* =========================
   Modern CSS Variables - Updated Color Palette
   ========================= */
:root {
    --primary-color: #0a4d68;
    --secondary-color: #088395;
    --accent-color: #05bfdb;
    --accent-warm: #00ffca;
    --dark-color: #0a1128;
    --light-color: #f8f9fa;
    --text-color: #2c3e50;
    --text-light: #6c757d;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --whatsapp-color: #25d366;
    --phone-color: #0088cc;
    --gradient-primary: linear-gradient(135deg, #0a4d68 0%, #088395 50%, #05bfdb 100%);
    --gradient-secondary: linear-gradient(135deg, #05bfdb 0%, #00ffca 100%);
    --gradient-dark: linear-gradient(135deg, #0a1128 0%, #0a4d68 100%);
    --shadow-sm: 0 2px 8px rgba(10, 77, 104, 0.1);
    --shadow-md: 0 8px 24px rgba(10, 77, 104, 0.15);
    --shadow-lg: 0 16px 48px rgba(10, 77, 104, 0.2);
    --shadow-xl: 0 24px 64px rgba(10, 77, 104, 0.25);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* =========================
   Container & Layout
   ========================= */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
    position: relative;
}

.section.section-lg {
    padding: 120px 0;
}

.section.section-sm {
    padding: 60px 0;
}

.bg-light {
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

/* =========================
   Modern Fixed Contact Buttons
   ========================= */
.fixed-contact {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.whatsapp-btn,
.phone-btn {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.whatsapp-btn:hover::before,
.phone-btn:hover::before {
    width: 300px;
    height: 300px;
}

.whatsapp-btn {
    background: linear-gradient(135deg, #25d366 0%, #20b858 100%);
}

.phone-btn {
    background: linear-gradient(135deg, #0088cc 0%, #0066aa 100%);
}

.whatsapp-btn:hover,
.phone-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.whatsapp-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid var(--whatsapp-color);
    transform: translate(-50%, -50%);
    animation: pulse-ring 2s infinite;
}

/* =========================
   Modern Header & Navigation
   ========================= */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(10, 77, 104, 0.08);
    position: sticky;
    top: 0;
    z-index: 999;
}

.header-top {
    background: var(--gradient-primary);
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-top-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-info {
    display: flex;
    gap: 32px;
    align-items: center;
}

.header-phone,
.header-email {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-size: 0.9rem;
    transition: var(--transition);
}

.header-phone:hover,
.header-email:hover {
    color: var(--accent-warm);
    transform: translateX(3px);
}

.header-phone i,
.header-email i {
    font-size: 14px;
}

.header-social {
    display: flex;
    gap: 12px;
}

.header-social a {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: var(--white);
    font-size: 14px;
    transition: var(--transition);
}

.header-social a:hover {
    background: var(--accent-warm);
    transform: translateY(-2px);
}

.navbar {
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.98);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo i {
    font-size: 36px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.nav-menu {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-color);
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-secondary);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    width: 70%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    background: rgba(10, 77, 104, 0.05);
}

.btn-contact {
    background: var(--gradient-primary) !important;
    color: var(--white) !important;
    padding: 12px 28px !important;
    box-shadow: var(--shadow-md);
    margin-left: 20px;
}

.btn-contact::before {
    display: none;
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg) !important;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* =========================
   Ultra Modern Hero Section
   ========================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    color: var(--white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1581094271901-8022df4466f9?w=1920&q=80') center/cover;
    opacity: 0.25;
    animation: zoom 20s infinite alternate;
}

@keyframes zoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, rgba(10,17,40,0.9), transparent);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, transparent 0%, rgba(10,77,104,0.5) 100%);
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
    z-index: 2;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #05bfdb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideUp 1s ease-out;
}

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

.hero p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.95;
    animation: slideUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s ease-out 0.4s both;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 32px;
    z-index: 2;
    animation: float 3s ease-in-out infinite;
    cursor: pointer;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-20px); }
}

/* Floating particles effect */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

/* =========================
   Modern Buttons
   ========================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: 16px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    font-size: 1.05rem;
}

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

.btn:hover::before {
    width: 400px;
    height: 400px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-4px);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #20b858 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-4px);
}

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

/* =========================
   Modern Section Headers
   ========================= */
.section-header {
    text-align: center;
    margin-bottom: 60px;
    animation: slideUp 0.8s ease-out;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-secondary);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-top: 20px;
}

/* =========================
   Glassmorphism Cards
   ========================= */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-lg);
}

/* =========================
   Modern Features Section
   ========================= */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--white);
    padding: 48px 32px;
    border-radius: 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-secondary);
    transform: scaleX(0);
    transition: transform 0.5s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 24px;
    color: var(--white);
    font-size: 40px;
    position: relative;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: rotateY(360deg);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
    font-size: 1.4rem;
    font-weight: 700;
}

/* =========================
   Modern Products Section
   ========================= */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.product-card {
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.product-card:hover::after {
    opacity: 0.05;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    height: 280px;
    overflow: hidden;
    position: relative;
}

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.3) 100%);
    z-index: 1;
    opacity: 0;
    transition: opacity 0.4s;
}

.product-card:hover .product-image::before {
    opacity: 1;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.15);
}

.product-info {
    padding: 32px;
}

.product-info h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 1.5rem;
    font-weight: 700;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 16px;
    transition: var(--transition);
}

.product-link:hover {
    gap: 12px;
    color: var(--secondary-color);
}

.product-link i {
    transition: transform 0.3s;
}

.product-link:hover i {
    transform: translateX(4px);
}

/* =========================
   Modern CTA Section
   ========================= */
.cta-section {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 24px;
    font-weight: 800;
}

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

/* =========================
   Modern Footer
   ========================= */
.footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 60px 0 20px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--accent-color) 50%, transparent 100%);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-section h3 {
    margin-bottom: 16px;
    font-size: 1.3rem;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.footer-section h3 strong {
    font-weight: 800;
}

.footer-section h4 {
    margin-bottom: 12px;
    font-size: 1.05rem;
    color: var(--accent-color);
    font-weight: 600;
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.6;
    font-size: 0.9rem;
}

.footer-section ul li {
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.footer-section ul li a {
    opacity: 0.9;
    transition: var(--transition);
    display: inline-block;
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--accent-color);
    transform: translateX(8px);
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.contact-info i {
    color: var(--accent-color);
    margin-top: 4px;
    font-size: 18px;
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-links a {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    transition: var(--transition);
    font-size: 20px;
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-6px) rotate(5deg);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.8;
}

/* =========================
   Page Header
   ========================= */
.page-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1581094271901-8022df4466f9?w=1920&q=80') center/cover;
    opacity: 0.15;
}

.page-header h1 {
    font-size: 3.5rem;
    margin-bottom: 16px;
    font-weight: 800;
    position: relative;
    z-index: 2;
}

.page-header p {
    font-size: 1.3rem;
    opacity: 0.95;
    position: relative;
    z-index: 2;
}

/* =========================
   Advanced Animations
   ========================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeInUp 1s ease-out;
}

.fade-in-delay {
    animation: fadeInUp 1s ease-out 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeInUp 1s ease-out 0.6s both;
}

.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger animation */
.scroll-animate:nth-child(1) { transition-delay: 0s; }
.scroll-animate:nth-child(2) { transition-delay: 0.1s; }
.scroll-animate:nth-child(3) { transition-delay: 0.2s; }
.scroll-animate:nth-child(4) { transition-delay: 0.3s; }
.scroll-animate:nth-child(5) { transition-delay: 0.4s; }
.scroll-animate:nth-child(6) { transition-delay: 0.5s; }

/* =========================
   About Page Styles
   ========================= */
.about-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 80px;
}

.about-intro h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 3rem;
    margin-bottom: 24px;
    font-weight: 800;
}

.lead {
    font-size: 1.3rem;
    color: var(--text-light);
    line-height: 1.9;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-top: 48px;
}

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: 24px;
    font-size: 2rem;
    font-weight: 700;
}

.about-text p {
    margin-bottom: 24px;
    line-height: 1.9;
    font-size: 1.05rem;
}

.about-image {
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    background: var(--gradient-secondary);
    border-radius: 24px;
    z-index: -1;
    opacity: 0.3;
}

.about-image img {
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 48px;
}

.mv-card {
    background: var(--white);
    padding: 48px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.mv-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.mv-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 20px;
    color: var(--white);
    font-size: 36px;
    margin-bottom: 24px;
}

.mv-card h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
    font-size: 2rem;
    font-weight: 700;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
}

.value-card {
    text-align: center;
    padding: 32px 24px;
    transition: var(--transition);
    border-radius: 16px;
}

.value-card:hover {
    background: rgba(10, 77, 104, 0.05);
}

.value-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-secondary);
    border-radius: 18px;
    color: var(--white);
    font-size: 32px;
    transition: var(--transition);
}

.value-card:hover .value-icon {
    transform: rotateY(360deg);
}

.value-card h4 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 700;
}

.stats-section {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 48px;
}

.stat-card {
    text-align: center;
    position: relative;
    z-index: 2;
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 12px;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.2rem;
    opacity: 0.95;
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.reason-item {
    display: flex;
    gap: 24px;
    padding: 24px;
    border-radius: 16px;
    transition: var(--transition);
}

.reason-item:hover {
    background: rgba(10, 77, 104, 0.05);
    transform: translateX(8px);
}

.reason-number {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 14px;
    font-weight: 700;
    font-size: 1.3rem;
}

.reason-item h4 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 700;
}

/* =========================
   Products Page Styles
   ========================= */
.product-category {
    margin-bottom: 100px;
}

.category-header {
    text-align: center;
    margin-bottom: 48px;
}

.category-header h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    font-weight: 800;
}

.product-detail-card {
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.product-detail-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-detail-image {
    height: 240px;
    overflow: hidden;
    position: relative;
}

.product-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

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

.product-detail-info {
    padding: 32px;
}

.product-detail-info h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.4rem;
    font-weight: 700;
}

.product-features {
    margin: 24px 0;
}

.product-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-color);
    font-size: 1.05rem;
}

.product-features i {
    color: var(--success-color);
    margin-top: 4px;
    font-size: 18px;
}

/* =========================
   Articles Page Styles
   ========================= */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 32px;
}

.article-card {
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.article-image {
    height: 220px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

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

.article-content {
    padding: 32px;
}

.article-date {
    color: var(--text-light);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.article-content h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 1.4rem;
    font-weight: 700;
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 16px;
}

.article-link:hover {
    gap: 12px;
    color: var(--secondary-color);
}

.article-full {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 40px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.article-full:hover {
    box-shadow: var(--shadow-md);
}

.article-full-image {
    height: 280px;
    overflow: hidden;
}

.article-full-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

.article-full:hover .article-full-image img {
    transform: scale(1.05);
}

.article-full-content {
    padding: 32px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
}

.article-meta span {
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.article-category {
    background: var(--gradient-secondary);
    padding: 8px 20px;
    border-radius: 24px;
    color: var(--white) !important;
    font-weight: 600;
}

.article-full-content h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.8rem;
    margin-bottom: 20px;
    font-weight: 800;
}

.article-full-content h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-top: 28px;
    margin-bottom: 16px;
    font-weight: 700;
}

.article-full-content p {
    margin-bottom: 16px;
    line-height: 1.8;
    font-size: 1rem;
}

.article-full-content .lead {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.article-full-content ul {
    margin: 24px 0;
    padding-left: 24px;
}

.article-full-content ul li {
    list-style: disc;
    margin-bottom: 12px;
    line-height: 1.9;
}

.article-full-content strong {
    color: var(--primary-color);
    font-weight: 700;
}

.highlight {
    background: linear-gradient(135deg, rgba(10,77,104,0.05), rgba(5,191,219,0.05));
    padding: 24px;
    border-left: 4px solid var(--accent-color);
    margin: 32px 0;
    border-radius: 12px;
}

.article-cta {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 2px solid var(--border-color);
}

.newsletter-section {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 100px 0;
}

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

.newsletter-content h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 800;
}

.newsletter-form {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.newsletter-form input {
    flex: 1;
    padding: 18px 24px;
    border: none;
    border-radius: 16px;
    font-size: 1.05rem;
}

/* =========================
   Contact Page Styles
   ========================= */
.contact-info-section {
    padding: 60px 0;
}

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

.social-contact-section {
    padding: 70px 0;
}

.quick-contact-section {
    padding: 70px 0;
}

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

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.contact-info-card {
    background: var(--white);
    padding: 48px 32px;
    border-radius: 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-info-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.contact-info-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 20px;
    color: var(--white);
    font-size: 36px;
}

.contact-info-card h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
    font-weight: 700;
}

.contact-info-card a {
    color: var(--text-color);
}

.contact-info-card a:hover {
    color: var(--primary-color);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-form-container h2,
.contact-map-container h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    font-weight: 800;
}

.contact-form {
    margin-top: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-color);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(5, 191, 219, 0.1);
}

.map-wrapper {
    border-radius: 20px;
    overflow: hidden;
    margin: 24px 0;
    box-shadow: var(--shadow-lg);
}

.map-info {
    background: linear-gradient(135deg, rgba(10,77,104,0.05), rgba(5,191,219,0.05));
    padding: 20px;
    border-radius: 12px;
    margin-top: 16px;
}

.social-links-large {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.social-link-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 32px;
    border-radius: 20px;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    min-width: 140px;
}

.social-link-large i {
    font-size: 48px;
}

.social-link-large span {
    font-weight: 700;
}

.social-link-large:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.social-link-large.facebook { color: #1877f2; }
.social-link-large.instagram { color: #e4405f; }
.social-link-large.twitter { color: #1da1f2; }
.social-link-large.linkedin { color: #0077b5; }
.social-link-large.youtube { color: #ff0000; }

.quick-contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.quick-contact-card {
    background: var(--white);
    padding: 48px;
    border-radius: 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.quick-contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.quick-contact-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--white);
    font-size: 40px;
}

.quick-contact-icon.whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #20b858 100%);
}

.quick-contact-icon.phone {
    background: linear-gradient(135deg, #0088cc 0%, #0066aa 100%);
}

.quick-contact-icon.email {
    background: var(--gradient-primary);
}

.quick-contact-card h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 700;
}

.quick-contact-card p {
    color: var(--text-light);
    margin-bottom: 24px;
}

.faq-grid {
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    margin-bottom: 16px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(10, 77, 104, 0.03);
}

.faq-question h4 {
    color: var(--primary-color);
    font-size: 1.15rem;
    font-weight: 700;
}

.faq-question i {
    color: var(--accent-color);
    transition: var(--transition);
    font-size: 20px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 600px;
}

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--text-color);
    line-height: 1.9;
    font-size: 1.05rem;
}

/* =========================
   Responsive Design
   ========================= */
@media (max-width: 992px) {
    .about-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .mv-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .section {
        padding: 80px 0;
    }

    .section-header h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .header-top {
        padding: 8px 0;
    }

    .header-email {
        display: none;
    }

    .header-social {
        gap: 8px;
    }

    .header-social a {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }

    .navbar {
        padding: 12px 0;
    }

    .logo {
        font-size: 1.3rem;
    }

    .logo i {
        font-size: 1.3rem;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 0;
        height: 100vh;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        max-width: 320px;
        transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 2px 0 20px rgba(0, 0, 0, 0.15);
        padding: 0;
        z-index: 998;
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
        padding: 0;
        margin: 4px 0;
        border-bottom: none;
    }

    .nav-menu li:first-child {
        margin-top: 80px;
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a {
        display: block;
        padding: 14px 28px;
        margin: 0 16px;
        font-size: 1rem;
        transition: all 0.3s ease;
        color: var(--primary-color);
        font-weight: 500;
        border-radius: 10px;
    }

    .nav-menu a:hover,
    .nav-menu a.active {
        background: linear-gradient(90deg, rgba(5, 191, 219, 0.15) 0%, rgba(5, 191, 219, 0.05) 100%);
        color: var(--primary-color);
        transform: translateX(4px);
    }

    .btn-contact {
        margin: 20px 28px 20px 16px !important;
        padding: 14px 24px !important;
        text-align: center;
        border-radius: 12px;
    }

    .mobile-menu-toggle {
        display: flex;
        z-index: 999;
        position: fixed;
        top: 70px;
        right: 20px;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        background: var(--white);
        border-radius: 50%;
        box-shadow: var(--shadow-lg);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
    }

    .mobile-menu-toggle.active {
        opacity: 1;
        pointer-events: auto;
        top: 20px;
    }

    .nav-wrapper .mobile-menu-toggle {
        position: relative;
        top: auto;
        right: auto;
        opacity: 1;
        pointer-events: auto;
        box-shadow: none;
        background: transparent;
    }

    .mobile-menu-toggle span {
        transition: all 0.3s ease;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(20px);
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    /* Overlay when menu is open */
    .nav-menu.active::before {
        content: '';
        position: fixed;
        top: 0;
        left: 320px;
        width: calc(100vw - 320px);
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
    }

    /* Lock body scroll when menu is open */
    body.menu-open {
        overflow: hidden;
    }

    .hero {
        min-height: 70vh;
        padding: 140px 0 80px;
    }

    .hero h1 {
        font-size: 2.2rem;
        line-height: 1.3;
    }

    .hero p {
        font-size: 1.1rem;
        margin-bottom: 32px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 400px;
        margin: 0 auto 40px;
        gap: 14px;
    }

    .hero-buttons .btn {
        width: 100%;
        padding: 16px 32px;
        font-size: 1rem;
        text-align: center;
        justify-content: center;
    }

    .hero-scroll {
        margin-top: 40px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .page-header {
        padding: 100px 0 60px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .page-header p {
        font-size: 1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .products-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }

    .fixed-contact {
        right: 20px;
        bottom: 20px;
    }

    .whatsapp-btn,
    .phone-btn {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }

    .stat-number {
        font-size: 3rem;
    }

    .cta-content h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .logo {
        font-size: 1.1rem;
    }

    .logo i {
        font-size: 1.1rem;
    }

    .nav-menu {
        width: 100%;
    }

    .nav-menu.active::before {
        left: 100%;
        width: 0;
    }

    .hero {
        min-height: 65vh;
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-buttons {
        max-width: 100%;
        margin-bottom: 30px;
    }

    .hero-buttons .btn {
        padding: 15px 28px;
        font-size: 0.95rem;
        text-align: center;
    }

    .hero-scroll {
        margin-top: 30px;
    }

    .section {
        padding: 50px 0;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .page-header {
        padding: 80px 0 50px;
    }

    .page-header h1 {
        font-size: 1.6rem;
    }

    .article-full-content {
        padding: 32px 24px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

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

/* =========================
   Product Detail Page
   ========================= */
.breadcrumb {
    background: var(--light-color);
    padding: 16px 0;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--primary-color);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--secondary-color);
}

.breadcrumb span {
    color: var(--text-light);
    margin: 0 8px;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.product-gallery {
    position: sticky;
    top: 140px;
}

.main-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: var(--shadow-lg);
}

.main-image img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.image-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-secondary);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
}

.thumbnail-images {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.thumbnail {
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: var(--transition);
    aspect-ratio: 1;
    object-fit: cover;
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--accent-color);
    transform: translateY(-4px);
}

.product-category-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(10, 77, 104, 0.1);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.product-detail-info-main h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 16px;
    font-weight: 800;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.stars {
    color: #ffa500;
    font-size: 18px;
}

.rating-text {
    color: var(--text-light);
    font-size: 0.95rem;
}

.product-short-desc {
    font-size: 1.1rem;
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 32px;
}

.product-specs-quick {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 32px;
    padding: 24px;
    background: var(--light-color);
    border-radius: 16px;
}

.spec-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.spec-item i {
    color: var(--accent-color);
    font-size: 24px;
    margin-top: 4px;
}

.spec-item strong {
    display: block;
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.spec-item span {
    color: var(--text-color);
    font-size: 1.05rem;
}

.product-price-section {
    background: var(--gradient-primary);
    padding: 32px;
    border-radius: 16px;
    margin-bottom: 32px;
}

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

.price-label {
    display: block;
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 16px;
    opacity: 0.95;
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.product-features-highlight {
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
}

.product-features-highlight h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-features-highlight ul {
    list-style: none;
}

.product-features-highlight li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 1.05rem;
}

.product-features-highlight li i {
    color: var(--success-color);
}

.product-actions-secondary {
    display: flex;
    gap: 16px;
}

.product-tabs {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.tab-buttons {
    display: flex;
    background: var(--light-color);
    border-bottom: 2px solid var(--border-color);
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    padding: 20px 24px;
    background: none;
    border: none;
    color: var(--text-color);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-secondary);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.tab-btn.active::after {
    transform: scaleX(1);
}

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

.tab-content {
    padding: 40px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s;
}

.tab-pane h3 {
    color: var(--primary-color);
    margin-bottom: 24px;
    font-size: 1.8rem;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid var(--border-color);
}

.specs-table td {
    padding: 16px 12px;
}

.specs-table td:first-child {
    width: 35%;
    color: var(--text-light);
}

.usage-grid,
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.usage-card,
.cert-card {
    background: var(--light-color);
    padding: 32px 24px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
}

.usage-card:hover,
.cert-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.usage-card i,
.cert-card i {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 16px;
}

.usage-card h4,
.cert-card h4 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 700;
}

.installation-steps {
    max-width: 800px;
}

.step {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
}

.step-number {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.3rem;
}

.step-content h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
    font-weight: 700;
}

/* Loading Animation */
body.loading::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    z-index: 9999;
    animation: fadeOut 0.6s ease 0.4s forwards;
}

@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

/* Article Detail Page Styles */
.article-detail-section {
    padding: 100px 0 80px;
}

.article-detail {
    max-width: 900px;
    margin: 0 auto;
}

.article-detail-header {
    margin-bottom: 40px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
}

.article-category {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
}

.article-detail-header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    line-height: 1.3;
    margin-bottom: 24px;
    font-weight: 800;
}

.article-author {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: rgba(10, 77, 104, 0.05);
    border-radius: 16px;
    border-left: 4px solid var(--accent-color);
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
}

.author-info h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.author-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.article-detail-image {
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 48px;
    box-shadow: var(--shadow-xl);
}

.article-detail-image img {
    width: 100%;
    height: 480px;
    object-fit: cover;
}

.article-detail-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text);
}

.article-intro {
    font-size: 1.2rem;
    color: var(--text-light);
    padding: 32px;
    background: rgba(5, 191, 219, 0.08);
    border-radius: 20px;
    border-left: 5px solid var(--accent-color);
    margin-bottom: 40px;
}

.article-detail-content h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-top: 48px;
    margin-bottom: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.article-detail-content h2::before {
    content: '';
    width: 5px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 4px;
}

.article-detail-content h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 36px;
    margin-bottom: 20px;
    font-weight: 600;
}

.article-detail-content p {
    margin-bottom: 20px;
}

.article-detail-content ul,
.article-detail-content ol {
    margin: 24px 0;
    padding-left: 0;
    list-style: none;
}

.article-detail-content ul li,
.article-detail-content ol li {
    padding-left: 36px;
    margin-bottom: 16px;
    position: relative;
}

.article-detail-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
}

.article-detail-content ul li i {
    position: absolute;
    left: 0;
    top: 4px;
    color: var(--accent-color);
    font-size: 18px;
}

.article-detail-content ul li i ~ * {
    padding-left: 12px;
}

.article-highlight {
    background: linear-gradient(135deg, rgba(10, 77, 104, 0.05) 0%, rgba(5, 191, 219, 0.05) 100%);
    padding: 28px;
    border-radius: 16px;
    border-left: 5px solid var(--accent-color);
    margin: 32px 0;
    display: flex;
    gap: 20px;
}

.article-highlight i {
    font-size: 32px;
    color: var(--accent-color);
    flex-shrink: 0;
}

.article-highlight h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.article-highlight p {
    margin: 0;
    color: var(--text);
}

.article-highlight-warning {
    background: linear-gradient(135deg, rgba(255, 165, 0, 0.05) 0%, rgba(255, 140, 0, 0.05) 100%);
    border-left-color: #ff8c00;
}

.article-highlight-warning i {
    color: #ff8c00;
}

.article-table-wrapper {
    overflow-x: auto;
    margin: 32px 0;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.article-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

.article-table thead {
    background: var(--gradient-primary);
    color: var(--white);
}

.article-table th,
.article-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.article-table th {
    font-weight: 600;
    font-size: 0.95rem;
}

.article-table tbody tr:hover {
    background: rgba(10, 77, 104, 0.03);
}

.article-table tbody tr:last-child td {
    border-bottom: none;
}

.article-cta {
    margin-top: 48px;
    padding: 40px;
    background: var(--gradient-primary);
    border-radius: 24px;
    text-align: center;
    color: var(--white);
}

.article-cta h3 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--white);
}

.article-cta p {
    font-size: 1.1rem;
    margin-bottom: 28px;
    opacity: 0.95;
}

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

.article-cta .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.article-detail-footer {
    margin-top: 56px;
    padding-top: 40px;
    border-top: 2px solid #e0e0e0;
}

.article-tags,
.article-share {
    margin-bottom: 32px;
}

.article-tags h4,
.article-share h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(10, 77, 104, 0.08);
    color: var(--primary-color);
    border-radius: 24px;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}

.tag:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-2px);
}

.article-share {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.share-buttons {
    display: flex;
    gap: 12px;
}

.share-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
    text-decoration: none;
    transition: var(--transition);
}

.share-btn:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.share-btn.facebook {
    background: #1877f2;
}

.share-btn.twitter {
    background: #1da1f2;
}

.share-btn.linkedin {
    background: #0077b5;
}

.share-btn.whatsapp {
    background: #25d366;
}

/* Related Articles */
.related-articles {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 3px solid #e0e0e0;
}

.related-articles h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 40px;
    text-align: center;
    font-weight: 700;
}

.related-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.related-article-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.related-article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.related-article-image {
    height: 200px;
    overflow: hidden;
}

.related-article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.related-article-content {
    padding: 24px;
}

.related-article-content .article-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.related-article-content h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 16px;
    line-height: 1.4;
}

.related-article-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.related-article-link:hover {
    gap: 12px;
    color: var(--primary-color);
}

.related-article-link i {
    transition: var(--transition);
}

/* Responsive Styles for Article Detail */
@media (max-width: 768px) {
    .article-detail-header h1 {
        font-size: 1.8rem;
    }

    .article-detail-content h2 {
        font-size: 1.6rem;
    }

    .article-detail-image img {
        height: 300px;
    }

    .article-meta {
        flex-direction: column;
        gap: 12px;
    }

    .article-highlight {
        flex-direction: column;
        padding: 20px;
    }

    .article-table-wrapper {
        font-size: 0.9rem;
    }

    .article-cta {
        padding: 28px 20px;
    }

    .article-cta h3 {
        font-size: 1.5rem;
    }

    .related-articles-grid {
        grid-template-columns: 1fr;
    }
}

/* Product Actions */
.product-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.product-actions .btn {
    flex: 1;
    min-width: 150px;
    text-align: center;
}

@media (max-width: 480px) {
    .product-actions {
        flex-direction: column;
    }
    
    .product-actions .btn {
        width: 100%;
    }
}

/* Articles Grid Main Page */
.articles-grid-main {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.article-card-compact {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.article-card-compact:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.article-compact-image {
    height: 220px;
    overflow: hidden;
}

.article-compact-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card-compact:hover .article-compact-image img {
    transform: scale(1.08);
}

.article-compact-content {
    padding: 24px;
}

.article-compact-content .article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.85rem;
}

.article-compact-content .article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-light);
    padding: 4px 10px;
    background: rgba(10, 77, 104, 0.05);
    border-radius: 6px;
}

.article-compact-content h2 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-compact-content .lead {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.6;
}

.article-compact-content h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin: 20px 0 12px;
}

.article-compact-content p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 12px;
}

.article-compact-content ul {
    font-size: 0.9rem;
    margin: 12px 0;
    padding-left: 20px;
}

.article-compact-content ul li {
    margin-bottom: 8px;
}

.article-compact-content .article-cta {
    margin-top: 20px;
}

@media (max-width: 992px) {
    .articles-grid-main {
        grid-template-columns: 1fr;
    }
}

/* Simple Article Cards */
.article-card-simple {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.article-card-simple:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.article-simple-image {
    height: 200px;
    overflow: hidden;
}

.article-simple-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card-simple:hover .article-simple-image img {
    transform: scale(1.08);
}

.article-simple-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.article-simple-date {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.article-simple-content h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    line-height: 1.4;
    margin: 0;
}

.article-simple-content p {
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .article-simple-image {
        height: 180px;
    }
    
    .article-simple-content h3 {
        font-size: 1.15rem;
    }
}

/* Block Button */
.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Mobile Menu Logo */
.mobile-menu-logo {
    display: none;
    border-bottom: none !important;
    background: transparent !important;
    padding: 0 !important;
    margin: 0 0 8px 0 !important;
}

.mobile-menu-logo a {
    display: flex !important;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    padding: 20px 28px !important;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
    background: transparent !important;
    transform: none !important;
}

.mobile-menu-logo a i {
    font-size: 1.8rem;
    color: var(--accent-color);
    animation: spin 20s linear infinite;
}

.mobile-menu-logo a span {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mobile-menu-logo a:hover {
    padding-left: 28px !important;
    background: transparent !important;
}

@media (max-width: 768px) {
    .mobile-menu-logo {
        display: block;
    }
    
    .nav-menu li:first-child {
        margin-top: 0;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Mobile Menu Social */
.mobile-menu-social {
    display: none !important;
    border-top: 1px solid rgba(10, 77, 104, 0.1);
    padding: 24px 0 !important;
    margin: 20px 16px 0 16px !important;
}

.mobile-menu-social a {
    display: inline-flex !important;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary) !important;
    color: var(--white) !important;
    border-radius: 50%;
    margin: 0 6px !important;
    padding: 0 !important;
    font-size: 18px;
    transition: all 0.3s ease;
    transform: none !important;
}

.mobile-menu-social a:hover {
    transform: translateY(-4px) !important;
    box-shadow: var(--shadow-lg);
    background: var(--gradient-secondary) !important;
}

@media (max-width: 768px) {
    .mobile-menu-social {
        display: flex !important;
        justify-content: center;
        gap: 4px;
    }
}