:root {
    --primary: #2563eb;
    --secondary: #0f172a;
    --accent: #38bdf8;
    --text: #334155;
    --light: #f8fafc;
    --white: #ffffff;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3 {
    color: var(--secondary);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--secondary);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.nav-toggle {
    display: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: radial-gradient(circle at top right, #eff6ff, transparent);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: #64748b;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: 24px;
    box-shadow: var(--shadow);
}

/* Content Sections */
.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.card {
    padding: 2.5rem;
    background: var(--white);
    border: 1px solid #f1f5f9;
    border-radius: 16px;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-5px);
}

.card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    display: block;
}

/* Text Content Styling */
.text-block {
    max-width: 800px;
    margin: 0 auto;
}

.text-block p {
    margin-bottom: 1.5rem;
}

.text-block h3 {
    margin-top: 3rem;
}

.highlight-box {
    background: var(--light);
    padding: 2rem;
    border-left: 4px solid var(--primary);
    border-radius: 0 12px 12px 0;
    margin: 3rem 0;
}

/* Footer */
.footer {
    background: var(--secondary);
    color: #94a3b8;
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    display: block;
}

.footer h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

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

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content h1 {
        font-size: 2.8rem;
    }
    .grid-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow);
    }
    .nav-menu.active {
        display: flex;
    }
    .nav-toggle {
        display: block;
    }
    .grid-3 {
        grid-template-columns: 1fr;
    }
    .section {
        padding: 60px 0;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}