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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #333;
    --accent-color: #ff6b35;
    --text-color: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 2px;
}

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

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

.nav-link:hover {
    color: var(--accent-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 120px 0;
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: 4px;
}

.hero-tagline {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
    line-height: 1.8;
}

.btn-primary {
    display: inline-block;
    padding: 15px 40px;
    background: var(--accent-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.4);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-color);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.product-badges {
    display: flex;
    gap: 10px;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.badge-new, .badge-hot {
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
}

.badge-new {
    background: #4CAF50;
    color: var(--white);
}

.badge-hot {
    background: #ff4444;
    color: var(--white);
}

.product-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.product-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.product-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding: 1rem 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 5px;
}

.btn-download {
    display: inline-block;
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    text-align: center;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-download:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

/* Team Section */
.team {
    background: var(--white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-member {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 15px;
    transition: all 0.3s;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.member-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.member-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-role {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.member-description {
    color: var(--text-light);
    line-height: 1.7;
}

/* Vision Section */
.vision {
    background: var(--bg-light);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.vision-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.vision-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.vision-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.vision-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.vision-description {
    color: var(--text-light);
    line-height: 1.7;
}

/* Market Section */
.market {
    background: var(--white);
}

.market-quotes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.quote-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s;
}

.quote-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.quote-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 1rem;
    font-style: italic;
}

.quote-source {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-label {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-value {
    color: var(--text-light);
    line-height: 1.8;
    text-decoration: none;
    display: block;
}

.contact-value:hover {
    color: var(--accent-color);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    opacity: 0.9;
}

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

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

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

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .products-grid,
    .team-grid,
    .vision-grid,
    .market-quotes,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .product-stats {
        justify-content: space-around;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 80px 0;
    }

    .hero-title {
        font-size: 2rem;
        letter-spacing: 2px;
    }

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

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

    section {
        padding: 60px 0;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}