:root {
    --bg-color: #0a0a0a;
    --text-color: #f0f0f0;
    --text-muted: #a0a0a0;
    --primary-color: #3b82f6;
    /* Electric Blue */
    --secondary-color: #1f2937;
    --accent-color: #10b981;
    /* Success Green */
    --card-bg: #171717;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --container-width: 1200px;
    --radius: 12px;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
.logo {
    font-family: var(--font-heading);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.dot {
    color: var(--primary-color);
}

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

.nav-links a:not(.btn-primary):hover {
    color: var(--primary-color);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.1), transparent 40%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.highlight {
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.cta-group {
    display: flex;
    gap: 16px;
}

.device-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.device-image:hover {
    transform: scale(1.02);
}

/* Feature Section */
.feature-section {
    padding: 100px 0;
}

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

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

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

.feature-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.1);
}

.icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
}

/* Split Layout (Residential) */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.alt-bg {
    background: #0f0f0f;
}

.benefit-list {
    list-style: none;
    margin-top: 30px;
}

.benefit-list li {
    margin-bottom: 16px;
    padding-left: 24px;
    position: relative;
    color: var(--text-muted);
}

.benefit-list li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.benefit-list strong {
    color: var(--text-color);
}

/* Device Showcase */
.device-showcase {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(to bottom, var(--bg-color), #111);
}

.tech-specs {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 60px;
}

.spec-item {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    padding: 30px;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.spec-item:first-child {
    border-left: none;
}

.spec-item h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.footer-brand p {
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--text-muted);
}

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

.copyright {
    text-align: center;
    color: #555;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {

    .hero-content,
    .split-layout {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 3rem;
    }

    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

    .cta-group {
        justify-content: center;
    }

    .nav-links {
        display: none;
        /* Simple hide for now, would add mobile menu in full prod */
    }

    .spec-item {
        border-left: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
}