/* ============================================
   R Blue Website - Modern Professional Design
   ============================================ */

/* CSS Variables */
:root {
    --primary-blue: #0069D9;
    --primary-blue-dark: #0052a8;
    --primary-blue-light: #3387e1;
    --primary-green: #28a745;
    --primary-green-dark: #1e7b34;
    --accent-orange: #ff9500;
    --accent-yellow: #ffc107;
    --text-dark: #1a1a2e;
    --text-medium: #4a4a68;
    --text-light: #6b7280;
    --text-white: #ffffff;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --bg-gradient: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--primary-green);
    color: var(--text-white);
    box-shadow: 0 4px 14px rgba(40, 167, 69, 0.4);
}

.btn-primary:hover {
    background: var(--primary-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.5);
}

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

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

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

.btn-light:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: var(--text-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-white);
}

/* Section Styles */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(0, 105, 217, 0.1) 0%, rgba(40, 167, 69, 0.1) 100%);
    color: var(--primary-blue);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   Header
   ============================================ */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

#header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 60px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-medium);
    position: relative;
    padding: 8px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-green);
    transition: width var(--transition-normal);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-blue);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.call-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--primary-green);
    color: var(--text-white);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
}

.call-btn:hover {
    background: var(--primary-green-dark);
    transform: translateY(-1px);
}

.call-btn svg {
    width: 16px;
    height: 16px;
}

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

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

/* ============================================
   Mobile Menu Overlay
   ============================================ */
/* ============================================
   Hero Slider Section
   ============================================ */
.hero-slider {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    padding-top: 80px;
}

.slider-container {
    position: relative;
    width: 100%;
    height: calc(100vh - 80px);
    min-height: 600px;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-size: cover;
    background-position: center;
}

.slide-overlay {
    position: absolute;
    inset: 0;
}

.slide-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-white);
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.6s ease 0.3s, opacity 0.6s ease 0.3s;
}

.slide.active .slide-content {
    transform: translateY(0);
    opacity: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-badge svg {
    width: 18px;
    height: 18px;
    color: var(--primary-green);
}

.hero h1 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(2.5rem, 7vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    opacity: 0.95;
    margin-bottom: 12px;
}

.hero-tagline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 600;
    color: var(--accent-yellow);
    margin-bottom: 40px;
}

.hero-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-white);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    opacity: 0.8;
    margin-top: 8px;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-white);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.hero-scroll a:hover {
    opacity: 1;
}

.hero-scroll svg {
    width: 28px;
    height: 28px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Slider Navigation */
.slider-nav {
    position: absolute;
    bottom: 140px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all var(--transition-normal);
    padding: 0;
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.6);
}

.slider-dot.active {
    background: var(--text-white);
    border-color: var(--text-white);
    transform: scale(1.2);
}

/* Hero Stats Container */
.hero-stats-container {
    position: absolute;
    bottom: 60px;
    left: 0;
    right: 0;
    z-index: 10;
}

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

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

.about-text {
    margin-bottom: 32px;
}

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

.about-text strong {
    color: var(--primary-blue);
}

.certifications h3 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 20px;
}

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

.cert-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.cert-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.cert-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(0, 105, 217, 0.1) 0%, rgba(40, 167, 69, 0.1) 100%);
    border-radius: var(--radius-sm);
    color: var(--primary-blue);
}

.cert-icon svg {
    width: 22px;
    height: 22px;
}

.cert-card span {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.image-badge {
    position: absolute;
    bottom: -20px;
    left: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.image-badge svg {
    width: 24px;
    height: 24px;
    color: var(--primary-blue);
}

.image-badge span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* ============================================
   Products Section
   ============================================ */
.products-section {
    background: var(--bg-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.product-card.featured {
    border: 2px solid var(--primary-green);
}

.product-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 14px;
    background: var(--primary-blue);
    color: var(--text-white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-badge.bestseller {
    background: var(--primary-green);
}

.product-badge.industrial {
    background: var(--accent-orange);
}

.product-info {
    padding: 24px;
}

.product-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.product-info > p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.6;
}

.product-features {
    margin-bottom: 16px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-medium);
    margin-bottom: 8px;
}

.product-features svg {
    width: 16px;
    height: 16px;
    color: var(--primary-green);
    flex-shrink: 0;
}

.product-target {
    display: block;
    font-size: 0.85rem;
    color: var(--primary-blue);
    font-weight: 500;
    padding-top: 12px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

/* ============================================
   Benefits Section
   ============================================ */
.benefits-section {
    background: var(--bg-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.benefit-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border-bottom: 4px solid transparent;
}

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

.benefit-card:nth-child(1) { border-bottom-color: var(--primary-green); }
.benefit-card:nth-child(2) { border-bottom-color: var(--primary-blue); }
.benefit-card:nth-child(3) { border-bottom-color: var(--accent-orange); }
.benefit-card:nth-child(4) { border-bottom-color: #8b5cf6; }
.benefit-card:nth-child(5) { border-bottom-color: #ec4899; }
.benefit-card:nth-child(6) { border-bottom-color: #06b6d4; }

.benefit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: var(--radius-lg);
}

.benefit-icon svg {
    width: 36px;
    height: 36px;
}

.benefit-icon.eco {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.15) 0%, rgba(40, 167, 69, 0.05) 100%);
    color: var(--primary-green);
}

.benefit-icon.efficiency {
    background: linear-gradient(135deg, rgba(0, 105, 217, 0.15) 0%, rgba(0, 105, 217, 0.05) 100%);
    color: var(--primary-blue);
}

.benefit-icon.protection {
    background: linear-gradient(135deg, rgba(255, 149, 0, 0.15) 0%, rgba(255, 149, 0, 0.05) 100%);
    color: var(--accent-orange);
}

.benefit-icon.quality {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.05) 100%);
    color: #8b5cf6;
}

.benefit-icon.safe {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.15) 0%, rgba(236, 72, 153, 0.05) 100%);
    color: #ec4899;
}

.benefit-icon.guarantee {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(6, 182, 212, 0.05) 100%);
    color: #06b6d4;
}

.benefit-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.benefit-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   Team Section
   ============================================ */
.team-section {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.team-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(0, 105, 217, 0.05) 0%, rgba(40, 167, 69, 0.05) 100%);
    border-radius: 50%;
    z-index: 0;
}

.team-section::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.05) 0%, rgba(0, 105, 217, 0.05) 100%);
    border-radius: 50%;
    z-index: 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.team-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

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

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform var(--transition-slow);
}

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

.team-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 105, 217, 0.9) 0%,
        rgba(0, 82, 168, 0.7) 50%,
        transparent 100%
    );
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 20px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

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

.team-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--text-white);
    backdrop-filter: blur(10px);
    transition: all var(--transition-fast);
    transform: translateY(20px);
    opacity: 0;
}

.team-card:hover .team-social a {
    transform: translateY(0);
    opacity: 1;
}

.team-card:hover .team-social a:nth-child(1) {
    transition-delay: 0.1s;
}

.team-card:hover .team-social a:nth-child(2) {
    transition-delay: 0.2s;
}

.team-social a:hover {
    background: var(--text-white);
    color: var(--primary-blue);
    transform: scale(1.1);
}

.team-social svg {
    width: 18px;
    height: 18px;
}

.team-info {
    padding: 24px;
    text-align: center;
}

.team-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.team-role {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(0, 105, 217, 0.1) 0%, rgba(40, 167, 69, 0.1) 100%);
    color: var(--primary-blue);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 12px;
}

.team-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    background: var(--bg-gradient);
    padding: 80px 0;
}

.cta-content {
    text-align: center;
    color: var(--text-white);
}

.cta-content h2 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content > p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    background: var(--bg-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
}

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

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.contact-card:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--bg-gradient);
    border-radius: var(--radius-sm);
    color: var(--text-white);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
}

.contact-details h4 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.contact-details p {
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.5;
}

.contact-details a {
    color: var(--text-dark);
    transition: color var(--transition-fast);
}

.contact-details a:hover {
    color: var(--primary-blue);
}

.legal-info {
    margin-top: 20px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(0, 105, 217, 0.05) 0%, rgba(40, 167, 69, 0.05) 100%);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-blue);
}

.legal-info p {
    font-size: 0.9rem;
    color: var(--text-medium);
    margin-bottom: 8px;
}

.legal-info strong {
    color: var(--text-dark);
}

.contact-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    height: 400px;
}

.contact-visual iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand img {
    height: 55px;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-green);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    color: var(--primary-green);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid .product-card:last-child {
        grid-column: span 2;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-grid .benefit-card:last-child {
        grid-column: span 2;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image {
        order: -1;
    }
    
    .about-image img {
        height: 300px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-visual {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 40px;
        gap: 0;
        background-color: #ffffff;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 10001;
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-links li {
        width: 100%;
        text-align: center;
    }
    
    .nav-links a {
        display: block;
        padding: 20px;
        font-size: 1.1rem;
        border-bottom: 1px solid #f0f0f0;
        background-color: #ffffff;
        color: #1a1a2e !important;
    }
    
    .nav-links a:hover {
        color: #0069D9 !important;
        background-color: #f8fafc;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .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);
    }
    
    .call-btn span {
        display: none;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .cert-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid .product-card:last-child {
        grid-column: auto;
        max-width: none;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid .benefit-card:last-child {
        grid-column: auto;
        max-width: none;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 350px;
        margin: 0 auto;
    }
    
    .team-image {
        height: 320px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        grid-column: auto;
    }
    
    .footer-brand p {
        max-width: none;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .hero-slider {
        min-height: auto;
    }
    
    .slider-container {
        min-height: 750px;
        height: auto;
    }
    
    .slide-content {
        padding-top: 60px;
        padding-bottom: 280px;
    }
    
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .hero-scroll {
        display: none;
    }
    
    .slider-nav {
        bottom: 280px;
    }
    
    .hero-stats-container {
        bottom: 30px;
        padding-top: 20px;
        background: linear-gradient(transparent, rgba(0, 0, 0, 0.5));
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}
