:root {
    --primary: #0f172a; /* Deep Navy */
    --accent: #0ea5e9; /* Bio Tech Blue */
    --accent-hover: #0284c7;
    --text-main: #334155;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --bg-dark: #1e293b;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-white);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--primary);
    line-height: 1.2;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }

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

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: var(--bg-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.highlight { color: var(--accent); }

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
}

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

.btn-nav {
    background: var(--primary);
    color: white !important;
    padding: 10px 20px;
    border-radius: 5px;
}

.btn-nav:hover { background: var(--accent); }

/* Hero */
.hero {
    padding: 100px 0;
    text-align: center;
    background: radial-gradient(circle at top right, #e0f2fe, #ffffff);
}

.tagline {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 700;
    display: block;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-sub {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-btns {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn {
    padding: 12px 25px;
    border-radius: 6px;
    font-weight: 600;
    display: inline-block;
}

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

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}
.btn-secondary:hover { background: var(--primary); color: white; }

/* Sections */
.section { padding: 80px 0; }
.light-bg { background: var(--bg-light); }
.dark-bg { background: var(--bg-dark); color: white; }
.dark-bg h2, .dark-bg p { color: white; }

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 { font-size: 2.5rem; margin-bottom: 15px; }
.badge {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.3);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    text-transform: uppercase;
    margin-bottom: 15px;
    display: inline-block;
}

/* Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

/* Cards */
.feature-box {
    background: rgba(255,255,255,0.05);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
}
.feature-box h3 { color: var(--accent); margin-bottom: 15px; }

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.highlight-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-left: 5px solid var(--accent);
}
.highlight-card ul { margin-top: 20px; }
.highlight-card li { margin-bottom: 10px; padding-left: 20px; position: relative; }
.highlight-card li::before {
    content: "•";
    color: var(--accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.info-row {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.icon {
    font-size: 1.5rem;
    background: #e0f2fe;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* IP Section */
.ip-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 40px;
}
.ip-item { max-width: 300px; text-align: left; }
.ip-item h4 { margin-bottom: 10px; border-bottom: 2px solid var(--accent); display: inline-block; padding-bottom: 5px; }

/* Footer */
footer {
    background: var(--primary);
    color: white;
    text-align: center;
    padding: 80px 0 40px;
}
footer h2 { color: white; margin-bottom: 20px; }
.contact-box {
    margin: 40px 0;
    padding: 30px;
    background: rgba(255,255,255,0.05);
    display: inline-block;
    border-radius: 12px;
}
.footer-bottom {
    margin-top: 50px;
    font-size: 0.9rem;
    color: #94a3b8;
}

/* Mobile */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .split-layout { grid-template-columns: 1fr; }
    .nav-links { display: none; } /* Simplified for mobile */
    .grid-2 { grid-template-columns: 1fr; }
}