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

:root {
    /* Color Palette */
    --tech-blue: #0066CC;
    --electronic-green: #00CC66;
    --neutral-gray: #F5F5F5;
    --interface-white: #FFFFFF;
    --accent-purple: #8A2BE2;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #7a7a7a;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

/* ========================================
   Container & Layout
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Cookie Consent Banner
   ======================================== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--text-dark);
    color: var(--interface-white);
    padding: var(--spacing-md);
    z-index: 10000;
    display: none;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cookie-content p {
    flex: 1;
    min-width: 250px;
    margin: 0;
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.cookie-buttons button,
.cookie-buttons a {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.btn-accept {
    background: var(--electronic-green);
    color: var(--interface-white);
}

.btn-accept:hover {
    background: #00b359;
    transform: translateY(-2px);
}

.btn-decline {
    background: transparent;
    color: var(--interface-white);
    border: 2px solid var(--interface-white);
}

.btn-decline:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-learn {
    background: transparent;
    color: var(--electronic-green);
    border: 2px solid var(--electronic-green);
    display: inline-block;
}

.btn-learn:hover {
    background: var(--electronic-green);
    color: var(--interface-white);
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition-normal);
}

.header.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tech-blue);
    font-family: var(--font-mono);
}

.logo-icon {
    transition: var(--transition-fast);
}

.logo:hover .logo-icon {
    transform: rotate(5deg) scale(1.05);
}

.desktop-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.desktop-nav a {
    font-weight: 500;
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.desktop-nav a:hover {
    color: var(--tech-blue);
    background: rgba(0, 102, 204, 0.05);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--tech-blue);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--tech-blue), var(--accent-purple));
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

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

.mobile-nav {
    position: relative;
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-md);
}

.close-menu {
    position: absolute;
    top: -40px;
    right: 20px;
    font-size: 3rem;
    color: var(--interface-white);
    background: transparent;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav ul {
    list-style: none;
}

.mobile-nav li {
    margin-bottom: var(--spacing-sm);
}

.mobile-nav a {
    display: block;
    padding: var(--spacing-sm);
    color: var(--interface-white);
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: var(--transition-fast);
}

.mobile-nav a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(10px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(0, 102, 204, 0.05) 0%, 
        rgba(0, 204, 102, 0.05) 50%,
        rgba(138, 43, 226, 0.05) 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-text {
    animation: fadeInLeft 1s ease;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.gradient-text {
    background: linear-gradient(135deg, var(--tech-blue), var(--electronic-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-medium);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-fast);
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--tech-blue);
    color: var(--interface-white);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.btn-primary:hover {
    background: #0052a3;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--tech-blue);
    border: 2px solid var(--tech-blue);
}

.btn-secondary:hover {
    background: var(--tech-blue);
    color: var(--interface-white);
}

.btn-small {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.stat {
    flex: 1;
    min-width: 100px;
}

.stat-number {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--tech-blue);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-medium);
    font-weight: 500;
}

.hero-image {
    animation: fadeInRight 1s ease;
    position: relative;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-image img {
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transition: var(--transition-normal);
}

.hero-image img:hover {
    transform: scale(1.02);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.2);
}

/* ========================================
   Technology Section
   ======================================== */
.technology {
    background: var(--neutral-gray);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.tech-card {
    background: var(--interface-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition-normal);
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.tech-icon {
    margin-bottom: var(--spacing-sm);
}

.tech-card h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.tech-card p {
    color: var(--text-medium);
    line-height: 1.8;
}

.tech-diagram {
    margin-top: var(--spacing-lg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.tech-diagram img {
    width: 100%;
    height: auto;
}

/* ========================================
   Compatibility Section
   ======================================== */
.compatibility-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.compatibility-checker {
    background: linear-gradient(135deg, var(--tech-blue), var(--accent-purple));
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 102, 204, 0.3);
}

.checker-form {
    background: var(--interface-white);
    padding: var(--spacing-md);
    border-radius: 16px;
}

.checker-form h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--tech-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.compatibility-result {
    margin-top: var(--spacing-md);
    display: none;
}

.result-card {
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
}

.result-card.compatible {
    background: linear-gradient(135deg, rgba(0, 204, 102, 0.1), rgba(0, 204, 102, 0.05));
    border: 2px solid var(--electronic-green);
}

.result-card.check-needed {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 193, 7, 0.05));
    border: 2px solid #ffc107;
}

.result-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    background: var(--electronic-green);
    color: var(--interface-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
}

.result-card.check-needed .result-icon {
    background: #ffc107;
}

.compatible-devices h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.device-list {
    display: grid;
    gap: var(--spacing-md);
}

.device-item {
    background: var(--interface-white);
    padding: var(--spacing-sm);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition-fast);
}

.device-item:hover {
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
    transform: translateY(-5px);
}

.device-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
}

.device-item h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.device-item p {
    color: var(--text-medium);
    font-size: 0.95rem;
}

/* ========================================
   Activation Process Section
   ======================================== */
.activation {
    background: linear-gradient(180deg, var(--interface-white) 0%, var(--neutral-gray) 100%);
}

.activation-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.step {
    position: relative;
    background: var(--interface-white);
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition-normal);
}

.step:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.15);
}

.step-number {
    position: absolute;
    top: -20px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--tech-blue), var(--electronic-green));
    color: var(--interface-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.4);
}

.step-icon {
    margin: var(--spacing-sm) 0;
}

.step h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.step p {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.step-image {
    margin-top: var(--spacing-sm);
    border-radius: 12px;
    overflow: hidden;
}

.step-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.activation-video {
    margin-top: var(--spacing-lg);
    border-radius: 20px;
    overflow: hidden;
}

.video-placeholder {
    position: relative;
    height: 500px;
}

.video-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-button {
    background: transparent;
    transition: var(--transition-normal);
}

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

/* ========================================
   Benefits Section
   ======================================== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.benefit-card {
    background: var(--interface-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    border: 2px solid transparent;
    transition: var(--transition-normal);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.benefit-card:hover {
    border-color: var(--electronic-green);
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 204, 102, 0.2);
}

.benefit-icon {
    margin-bottom: var(--spacing-sm);
}

.benefit-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.benefit-card p {
    color: var(--text-medium);
    line-height: 1.8;
}

/* ========================================
   Coverage Section
   ======================================== */
.coverage {
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.03), rgba(138, 43, 226, 0.03));
}

.coverage-map {
    position: relative;
    margin-bottom: var(--spacing-lg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.coverage-map img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.coverage-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.85), rgba(138, 43, 226, 0.85));
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: var(--spacing-md);
    flex-wrap: wrap;
}

.coverage-stat {
    text-align: center;
    color: var(--interface-white);
}

.stat-large {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    font-family: var(--font-mono);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label-large {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.coverage-regions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.region-card {
    background: var(--interface-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition-normal);
}

.region-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.region-card h3 {
    font-size: 1.5rem;
    color: var(--tech-blue);
    margin-bottom: var(--spacing-sm);
}

.region-card > p {
    color: var(--text-medium);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.region-features {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.region-features li {
    padding: 0.5rem 0;
    color: var(--text-medium);
    padding-left: 1.5rem;
    position: relative;
}

.region-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--electronic-green);
    font-weight: 700;
}

/* ========================================
   Security Section
   ======================================== */
.security {
    background: var(--neutral-gray);
}

.security-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.security-features {
    display: grid;
    gap: var(--spacing-md);
}

.security-feature {
    background: var(--interface-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    display: flex;
    gap: var(--spacing-sm);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition-fast);
}

.security-feature:hover {
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
    transform: translateX(10px);
}

.security-icon {
    flex-shrink: 0;
}

.security-feature h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.security-feature p {
    color: var(--text-medium);
    line-height: 1.8;
}

.security-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.security-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.security-certifications {
    background: var(--interface-white);
    padding: var(--spacing-md);
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.security-certifications h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.cert-list {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cert-item {
    flex: 1;
    min-width: 150px;
}

.cert-badge {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    background: linear-gradient(135deg, var(--tech-blue), var(--electronic-green));
    color: var(--interface-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    font-family: var(--font-mono);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.cert-item p {
    color: var(--text-medium);
    font-size: 0.95rem;
    font-weight: 600;
}

/* ========================================
   Comparison Section
   ======================================== */
.comparison {
    background: linear-gradient(180deg, var(--interface-white), var(--neutral-gray));
}

.comparison-table {
    background: var(--interface-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    margin-bottom: var(--spacing-lg);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-bottom: 1px solid #e0e0e0;
}

.comparison-row:last-child {
    border-bottom: none;
}

.header-row {
    background: linear-gradient(135deg, var(--tech-blue), var(--accent-purple));
    color: var(--interface-white);
    font-weight: 700;
    font-size: 1.1rem;
}

.comparison-cell {
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-cell {
    font-weight: 600;
    color: var(--text-dark);
}

.header-row .feature-cell,
.header-row .esim-cell,
.header-row .sim-cell {
    color: var(--interface-white);
}

.check {
    color: var(--electronic-green);
    font-size: 1.5rem;
    font-weight: 700;
}

.cross {
    color: #ff4444;
    font-size: 1.5rem;
    font-weight: 700;
}

.comparison-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.visual-item {
    background: var(--interface-white);
    padding: var(--spacing-sm);
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.visual-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: var(--spacing-sm);
}

.visual-item h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.visual-item p {
    color: var(--text-medium);
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    background: var(--neutral-gray);
}

.faq-grid {
    display: grid;
    gap: var(--spacing-sm);
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--interface-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition-fast);
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: var(--spacing-md);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: rgba(0, 102, 204, 0.03);
}

.faq-question h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin: 0;
}

.faq-toggle {
    font-size: 2rem;
    color: var(--tech-blue);
    font-weight: 300;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-medium);
    line-height: 1.8;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-info {
    display: grid;
    gap: var(--spacing-md);
}

.contact-item {
    background: var(--interface-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: var(--transition-fast);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
}

.contact-icon {
    margin: 0 auto var(--spacing-sm);
}

.contact-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-medium);
    margin-bottom: 0.25rem;
}

.contact-detail {
    font-size: 0.9rem;
    color: var(--text-light);
}

.contact-form {
    background: linear-gradient(135deg, var(--tech-blue), var(--accent-purple));
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 102, 204, 0.3);
}

.contact-form h3 {
    color: var(--interface-white);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.contact-form .form-group {
    margin-bottom: var(--spacing-sm);
}

.contact-form label {
    color: var(--interface-white);
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-result {
    margin-top: var(--spacing-md);
    display: none;
}

.success-message {
    background: var(--interface-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
}

.success-message svg {
    margin: 0 auto var(--spacing-sm);
}

.success-message h4 {
    font-size: 1.3rem;
    color: var(--electronic-green);
    margin-bottom: 0.5rem;
}

.success-message p {
    color: var(--text-medium);
}

.contact-map {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    background: linear-gradient(135deg, var(--text-dark) 0%, #2a2a2a 100%);
    color: var(--interface-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.footer-description {
    color: #b0b0b0;
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.footer-contact {
    margin-top: var(--spacing-sm);
}

.footer-contact p {
    color: #b0b0b0;
    margin-bottom: 0.5rem;
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--electronic-green);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #b0b0b0;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--electronic-green);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: #888;
    margin-bottom: 0.5rem;
}

.footer-address {
    font-size: 0.9rem;
    color: #777;
}

/* ========================================
   Responsive Design - Mobile First
   ======================================== */
@media (max-width: 968px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        order: -1;
    }
    
    .compatibility-content {
        grid-template-columns: 1fr;
    }
    
    .security-content {
        grid-template-columns: 1fr;
    }
    
    .security-image {
        position: static;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .comparison-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .comparison-cell {
        padding: var(--spacing-sm);
        border-bottom: 1px solid #f0f0f0;
    }
    
    .feature-cell {
        background: var(--neutral-gray);
        font-weight: 700;
        font-size: 1.1rem;
    }
    
    .comparison-visual {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .coverage-overlay {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media (max-width: 640px) {
    :root {
        --spacing-lg: 2.5rem;
        --spacing-xl: 3.5rem;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .activation-steps {
        grid-template-columns: 1fr;
    }
    
    .video-placeholder {
        height: 300px;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        width: 100%;
        justify-content: center;
    }
}

@media (min-width: 360px) {
    /* Mobile-first base styles already applied */
}

/* ========================================
   Animations & Utilities
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }