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

:root {
    --primary-color: #e74c3c;
    --secondary-color: #2c3e50;
    --accent-color: #3498db;
    --text-dark: #333;
    --text-light: #fff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a1a;
}

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

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

/* Header */
.header {
    background: var(--bg-dark);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--bg-dark) 100%);
    color: var(--text-light);
    padding: 150px 0 100px;
    text-align: center;
    margin-top: 70px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s;
}

.hero-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    animation: fadeInUp 1.2s;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1.4s;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(231, 76, 60, 0.3);
}

/* About Section */
.about {
    padding: 80px 0;
    text-align: center;
    background: var(--bg-light);
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.about p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-dark);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--text-light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-light);
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: var(--secondary-color);
    color: var(--text-light);
    text-align: center;
}

.benefits h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.benefits h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.benefit-card {
    padding: 30px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    transition: all 0.3s;
}

.benefit-card:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-5px);
}

.benefit-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.benefit-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.cta-buttons {
    margin-top: 3rem;
}

/* Plans Section */
.plans {
    padding: 80px 0;
    background: var(--bg-light);
    text-align: center;
}

.plans h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
}

.plans h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.plans > .container > p {
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.plan-card {
    background: var(--text-light);
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s;
    position: relative;
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

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

.plan-card.featured:hover {
    transform: scale(1.08) translateY(-10px);
}

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

.plan-card h4 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.price {
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: bold;
    margin: 1.5rem 0;
}

.plan-features {
    list-style: none;
    text-align: left;
    margin: 2rem 0;
}

.plan-features li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.plan-features i {
    color: var(--primary-color);
    margin-right: 10px;
}

/* Product Section */
.product {
    padding: 80px 0;
    background: var(--text-light);
    text-align: center;
}

.product h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.product > .container > p {
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

.product-price {
    background: var(--bg-light);
    padding: 50px;
    border-radius: 15px;
    max-width: 600px;
    margin: 0 auto;
}

.product-price h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.price-large {
    font-size: 3rem;
    color: var(--primary-color);
    font-weight: bold;
    margin: 1rem 0;
}

.product-price p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: var(--bg-light);
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--secondary-color);
}

.faq h3 {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--text-light);
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--secondary-color);
    color: var(--text-light);
    transition: background 0.3s;
}

.faq-question:hover {
    background: #34495e;
}

.faq-question h4 {
    font-size: 1.1rem;
}

.faq-question i {
    transition: transform 0.3s;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s;
    padding: 0 20px;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 20px;
}

/* Resale Section */
.resale {
    padding: 80px 0;
    background: var(--secondary-color);
    color: var(--text-light);
    text-align: center;
}

.resale h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.resale > .container > p {
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

.resale-features {
    max-width: 600px;
    margin: 0 auto 3rem;
}

.resale-features ul {
    list-style: none;
    text-align: left;
}

.resale-features li {
    padding: 15px;
    font-size: 1.1rem;
}

.resale-features i {
    color: var(--primary-color);
    margin-right: 10px;
}

.resale-price h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--bg-light);
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 3rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.contact-item {
    background: var(--text-light);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    min-width: 250px;
    transition: transform 0.3s;
}

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

.contact-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-item h4 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.contact-item a {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s;
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    text-align: center;
    padding: 30px 0;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-dark);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }

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

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .feature-grid,
    .benefits-grid,
    .plans-grid {
        grid-template-columns: 1fr;
    }

    .plan-card.featured {
        transform: scale(1);
    }

    .contact-info {
        flex-direction: column;
        align-items: center;
    }

    .product-price {
        padding: 30px 20px;
    }

    .price-large {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-content h2 {
        font-size: 1.2rem;
    }

    .btn {
        padding: 12px 30px;
        font-size: 0.9rem;
    }

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