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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #2563eb;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: white;
    padding: 150px 20px 100px;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.tagline {
    font-size: 1.5rem;
    margin-bottom: 10px;
    opacity: 0.95;
}

.subtagline {
    font-size: 1.1rem;
    opacity: 0.85;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    background: #f59e0b;
    color: white;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s, transform 0.2s;
}

.cta-button:hover {
    background: #d97706;
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 80px 20px;
}

section h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 30px;
    color: #1e3a8a;
}

/* About Section */
.about {
    background: #f8fafc;
}

.about p {
    max-width: 800px;
    margin: 0 auto 20px;
    text-align: center;
    font-size: 1.1rem;
    color: #555;
}

/* Products Section */
.products {
    background: white;
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
    color: #666;
    font-size: 1.1rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.product-card {
    background: #f8fafc;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    border: 2px solid #e2e8f0;
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.product-card.featured {
    border-color: #2563eb;
    background: #eff6ff;
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #1e3a8a;
}

.product-tag {
    display: inline-block;
    background: #2563eb;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.product-card p {
    color: #666;
    margin-bottom: 20px;
}

.product-card ul {
    list-style: none;
    text-align: left;
    padding-left: 20px;
}

.product-card li {
    padding: 5px 0;
    color: #555;
}

.product-card li::before {
    content: "✓ ";
    color: #22c55e;
    font-weight: bold;
}

/* Founders Section */
.founders {
    background: #f8fafc;
}

.founders-grid {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

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

.founder-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #2563eb, #1e3a8a);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 15px;
}

.founder-card h3 {
    font-size: 1.3rem;
    color: #1e3a8a;
    margin-bottom: 5px;
}

.founder-card span {
    color: #666;
}

/* Future Section */
.future {
    background: white;
}

.future p {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    color: #555;
}

/* Contact Section */
.contact {
    background: #1e3a8a;
    color: white;
    text-align: center;
}

.contact h2 {
    color: white;
}

.contact p {
    max-width: 600px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.contact .phone {
    margin-top: 20px;
    font-size: 1.2rem;
}

.contact .phone a {
    color: white;
    text-decoration: none;
    font-weight: 600;
}

.contact .phone a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 30px 20px;
    text-align: center;
}

footer p {
    margin: 5px 0;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 15px;
        padding: 15px 20px;
    }

    .hero {
        padding: 180px 20px 80px;
    }

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

    .tagline {
        font-size: 1.2rem;
    }

    section h2 {
        font-size: 1.8rem;
    }

    .founders-grid {
        gap: 30px;
    }
}