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

:root {
    --primary-green: #00FF00;
    --dark-green: #00CC00;
    --light-green: #33FF33;
    --bg-light: #E0E0E0;
    --bg-white: #FFFFFF;
    --text-dark: #1a1a1a;
    --text-gray: #555555;
    --shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: 0 2px 10px var(--shadow);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: bold;
    color: var(--text-dark);
}

.logo-play {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    clip-path: polygon(0 0, 0 100%, 100% 50%);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-5px) rotate(5deg); }
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav {
    display: flex;
    gap: 25px;
}

nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-green);
    transition: width 0.3s;
}

nav a:hover {
    color: var(--primary-green);
}

nav a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0f2e0f 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 255, 0, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 255, 0, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

#networkCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-card {
    background: rgba(20, 20, 20, 0.85);
    backdrop-filter: blur(10px);
    padding: 60px 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 
                0 0 40px rgba(0, 255, 0, 0.15),
                inset 0 0 60px rgba(0, 255, 0, 0.05);
    border: 1px solid rgba(0, 255, 0, 0.2);
    max-width: 700px;
    margin: 0 auto;
    animation: heroCardGlow 3s ease-in-out infinite;
    position: relative;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, 
        transparent 0%, 
        rgba(0, 255, 0, 0.3) 25%, 
        transparent 50%, 
        rgba(0, 255, 0, 0.3) 75%, 
        transparent 100%);
    border-radius: 20px;
    z-index: -1;
    opacity: 0;
    animation: borderGlow 3s ease-in-out infinite;
}

@keyframes borderGlow {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

@keyframes heroCardGlow {
    0%, 100% { 
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 
                    0 0 40px rgba(0, 255, 0, 0.15),
                    inset 0 0 60px rgba(0, 255, 0, 0.05);
    }
    50% { 
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 
                    0 0 60px rgba(0, 255, 0, 0.25),
                    inset 0 0 80px rgba(0, 255, 0, 0.08);
    }
}



.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary-green) 0%, #00ff88 50%, var(--primary-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: textShine 3s linear infinite;
    text-shadow: 0 0 30px rgba(0, 255, 0, 0.3);
    filter: drop-shadow(0 0 20px rgba(0, 255, 0, 0.4));
}

@keyframes textShine {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.hero-subtitle {
    font-size: 20px;
    color: #b0b0b0;
    margin-bottom: 30px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* Buttons */
.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    color: #000;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 20px rgba(0, 255, 0, 0.4), 
                0 0 40px rgba(0, 255, 0, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(0, 255, 0, 0.6), 
                0 0 60px rgba(0, 255, 0, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--primary-green);
    padding: 12px 30px;
    border: 2px solid var(--primary-green);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--primary-green);
    color: var(--text-dark);
}

/* Sections */
.section {
    padding: 80px 0;
}

.bg-alt {
    background: var(--bg-white);
}

.section h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.section-intro {
    text-align: center;
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: linear-gradient(135deg, var(--bg-white), #f0f0f0);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 4px solid var(--primary-green);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 255, 0, 0.2);
}

.card h3 {
    font-size: 24px;
    margin: 20px 0 15px;
    color: var(--text-dark);
}

.card p {
    color: var(--text-gray);
    margin-bottom: 20px;
}

/* Icons */
.icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    position: relative;
}

.icon-instant::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-green) 0%, transparent 100%);
    border-radius: 50%;
    animation: iconPulse 2s infinite;
}

.icon-instant::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-left: 25px solid var(--dark-green);
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
}

.icon-quality::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-green) 0%, transparent 100%);
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.icon-easy::before {
    content: '';
    position: absolute;
    width: 60%;
    height: 60%;
    top: 20%;
    left: 20%;
    background: linear-gradient(135deg, var(--primary-green) 0%, transparent 100%);
    border-radius: 50%;
}

.icon-easy::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    color: var(--dark-green);
    font-weight: bold;
}

@keyframes iconPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.icon-channels::before {
    content: '';
    position: absolute;
    width: 70%;
    height: 50%;
    top: 25%;
    left: 15%;
    background: linear-gradient(135deg, var(--primary-green) 0%, transparent 100%);
    border-radius: 10px;
}

.icon-channels::after {
    content: '';
    position: absolute;
    width: 30%;
    height: 60%;
    bottom: 10%;
    right: 15%;
    background: var(--dark-green);
    border-radius: 5px;
}

.icon-stability::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 4px;
    top: 50%;
    background: linear-gradient(90deg, var(--primary-green), var(--dark-green));
    transform: translateY(-50%);
}

.icon-stability::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 10%;
    background: var(--primary-green);
    border-radius: 50%;
    transform: translateY(-50%);
    animation: slideIcon 2s infinite;
}

@keyframes slideIcon {
    0%, 100% { left: 10%; }
    50% { left: 70%; }
}

.icon-devices::before {
    content: '';
    position: absolute;
    width: 50%;
    height: 35%;
    top: 20%;
    left: 25%;
    background: linear-gradient(135deg, var(--primary-green) 0%, transparent 100%);
    border-radius: 5px;
}

.icon-devices::after {
    content: '';
    position: absolute;
    width: 30%;
    height: 50%;
    bottom: 15%;
    left: 35%;
    background: var(--dark-green);
    border-radius: 8px;
}

.icon-hd::before {
    content: 'HD';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-green);
}

.icon-automation::before {
    content: '';
    position: absolute;
    width: 50%;
    height: 50%;
    top: 25%;
    left: 25%;
    border: 4px solid var(--primary-green);
    border-radius: 10px;
    animation: rotateIcon 3s linear infinite;
}

@keyframes rotateIcon {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.icon-support::before {
    content: '';
    position: absolute;
    width: 60%;
    height: 60%;
    top: 20%;
    left: 20%;
    background: linear-gradient(135deg, var(--primary-green) 0%, transparent 100%);
    border-radius: 50%;
}

.icon-support::after {
    content: '?';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    color: var(--dark-green);
    font-weight: bold;
}

.icon-speed::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    top: 50%;
    left: 20%;
    transform: translateY(-50%);
    border-left: 40px solid var(--primary-green);
    border-top: 20px solid transparent;
    border-bottom: 20px solid transparent;
}

.icon-security::before {
    content: '';
    position: absolute;
    width: 50%;
    height: 60%;
    top: 20%;
    left: 25%;
    background: linear-gradient(135deg, var(--primary-green) 0%, transparent 100%);
    clip-path: polygon(50% 0%, 100% 25%, 100% 100%, 0 100%, 0 25%);
}

.icon-tv::before,
.icon-mobile::before,
.icon-tablet::before,
.icon-computer::before,
.icon-box::before,
.icon-console::before {
    content: '';
    position: absolute;
    width: 60%;
    height: 45%;
    top: 25%;
    left: 20%;
    background: linear-gradient(135deg, var(--primary-green) 0%, transparent 100%);
    border-radius: 5px;
}

.icon-resolution::before {
    content: '4K';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-green);
}

.icon-buffer::before {
    content: '';
    position: absolute;
    width: 80%;
    height: 8px;
    top: 50%;
    left: 10%;
    background: #ddd;
    border-radius: 10px;
    transform: translateY(-50%);
}

.icon-buffer::after {
    content: '';
    position: absolute;
    width: 60%;
    height: 8px;
    top: 50%;
    left: 10%;
    background: linear-gradient(90deg, var(--primary-green), var(--dark-green));
    border-radius: 10px;
    transform: translateY(-50%);
    animation: bufferFill 2s infinite;
}

@keyframes bufferFill {
    0% { width: 0%; }
    100% { width: 60%; }
}

.icon-audio::before {
    content: '';
    position: absolute;
    width: 30%;
    height: 50%;
    top: 25%;
    left: 35%;
    background: var(--primary-green);
    clip-path: polygon(0 30%, 100% 0, 100% 100%, 0 70%);
}

.icon-audio::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 30%;
    right: 20%;
    border: 3px solid var(--primary-green);
    border-left: none;
    border-radius: 0 50% 50% 0;
}

/* Steps */
.steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: center;
    gap: 30px;
    background: linear-gradient(135deg, var(--bg-white), #f5f5f5);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: transform 0.3s;
}

.step:hover {
    transform: translateX(10px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
    color: var(--text-dark);
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.step-content p {
    color: var(--text-gray);
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.benefit-card {
    background: var(--bg-white);
    padding: 35px 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px var(--shadow);
    transition: transform 0.3s;
    border-left: 4px solid var(--primary-green);
}

.benefit-card:hover {
    transform: scale(1.05);
}

.benefit-card h3 {
    font-size: 20px;
    margin: 20px 0 15px;
}

.benefit-card p {
    color: var(--text-gray);
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.pricing-card {
    background: var(--bg-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 30px var(--shadow);
    transition: transform 0.3s;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured {
    border: 3px solid var(--primary-green);
    transform: scale(1.05);
}

.pricing-ribbon {
    position: absolute;
    top: 20px;
    right: -35px;
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    color: var(--text-dark);
    padding: 8px 40px;
    transform: rotate(45deg);
    font-weight: bold;
    font-size: 14px;
    box-shadow: 0 3px 10px var(--shadow);
}

.pricing-header {
    background: linear-gradient(135deg, var(--primary-green) 0%, transparent 100%);
    padding: 30px;
    text-align: center;
}

.pricing-header h3 {
    font-size: 28px;
    margin-bottom: 10px;
}

.pricing-badge {
    display: inline-block;
    background: var(--dark-green);
    color: var(--text-dark);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
}

.pricing-body {
    padding: 30px;
}

.pricing-description {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 25px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 25px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 30px;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
    font-size: 18px;
}

.btn-pricing {
    display: block;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    color: var(--text-dark);
    padding: 15px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: bold;
    margin: 0 30px 30px;
    transition: transform 0.3s;
}

.btn-pricing:hover {
    transform: scale(1.05);
}

/* Features List */
.features-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    max-width: 900px;
    margin: 40px auto 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 25px;
    background: var(--bg-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateX(10px);
}

.feature-content h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.feature-content p {
    color: var(--text-gray);
}

/* Compatibility Grid */
.compatibility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.compat-card {
    background: linear-gradient(135deg, var(--bg-white), #f5f5f5);
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px var(--shadow);
    transition: transform 0.3s;
    border-top: 3px solid var(--primary-green);
}

.compat-card:hover {
    transform: scale(1.05);
}

.compat-card h3 {
    font-size: 18px;
    margin: 20px 0 10px;
}

.compat-card p {
    color: var(--text-gray);
    font-size: 14px;
}

/* Quality Features */
.quality-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.quality-item {
    background: var(--bg-white);
    padding: 35px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px var(--shadow);
    transition: transform 0.3s;
}

.quality-item:hover {
    transform: translateY(-10px);
}

.quality-item h3 {
    font-size: 22px;
    margin: 20px 0 15px;
}

.quality-item p {
    color: var(--text-gray);
}

/* Reviews */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.review-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: transform 0.3s;
    border-left: 4px solid var(--primary-green);
}

.review-card:hover {
    transform: scale(1.03);
}

.review-stars {
    color: var(--primary-green);
    font-size: 20px;
    margin-bottom: 15px;
}

.review-text {
    color: var(--text-gray);
    font-style: italic;
    margin-bottom: 15px;
    line-height: 1.6;
}

.review-author {
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 600;
}

/* FAQ */
.faq-container {
    max-width: 900px;
    margin: 40px auto 0;
}

.faq-item {
    background: var(--bg-white);
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 15px var(--shadow);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 25px 30px;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #f5f5f5;
}

.faq-question h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin: 0;
}

.faq-icon {
    font-size: 28px;
    color: var(--primary-green);
    font-weight: bold;
    transition: transform 0.3s;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    padding: 0 30px;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 0 30px 25px;
}

.faq-answer p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* CTA Center */
.cta-center {
    text-align: center;
    margin-top: 50px;
}

/* CTA Final */
.cta-final-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-final-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.cta-final-content p {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 30px;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo .logo {
    margin-bottom: 15px;
}

.footer-logo .logo-text {
    color: var(--primary-green);
    -webkit-text-fill-color: var(--primary-green);
}

.footer-logo p {
    color: #aaa;
}

.footer h3 {
    color: var(--primary-green);
    margin-bottom: 15px;
    font-size: 18px;
}

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

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

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

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

.footer-contact p {
    color: #aaa;
    margin-bottom: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    color: #aaa;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s, transform 0.6s;
}

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

/* Responsive */
@media (max-width: 768px) {
    nav {
        display: none;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-card {
        padding: 40px 25px;
    }
    
    .section h2 {
        font-size: 28px;
    }
    
    .cards-grid,
    .benefits-grid,
    .pricing-grid,
    .quality-features,
    .reviews-grid,
    .compatibility-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .cta-final-content h2 {
        font-size: 28px;
    }
    
    .cta-final-content p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 26px;
    }
    
    .cta-button {
        padding: 15px 30px;
        font-size: 16px;
    }
    
    .section {
        padding: 50px 0;
    }
}