@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
    --bg-primary: #0a0c10;
    --bg-secondary: #121620;
    --bg-card: rgba(20, 26, 38, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --primary: #06b6d4;      /* Cyan */
    --primary-glow: rgba(6, 182, 212, 0.15);
    --secondary: #6366f1;    /* Indigo */
    --accent: #10b981;       /* Emerald */
    --accent-glow: rgba(16, 185, 129, 0.15);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    overflow-x: hidden;
}

body {
    position: relative;
}

/* Background Gradients */
.bg-glow-1 {
    position: absolute;
    width: 600px;
    height: 600px;
    top: -100px;
    right: -100px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
    z-index: -1;
}

.bg-glow-2 {
    position: absolute;
    width: 800px;
    height: 800px;
    top: 500px;
    left: -200px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
    z-index: -1;
}

/* Header & Navbar */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 12, 16, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

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

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.cta-button.primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(6, 182, 212, 0.35);
    border: none;
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(6, 182, 212, 0.5);
}

.cta-button.secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

/* Hero Section */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem 4rem 2rem;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.75rem;
    line-height: 1.15;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -1.5px;
}

.hero-content h1 span.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, #a855f7 50%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* Solar Widget Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup-card {
    width: 100%;
    max-width: 460px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.mockup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.mockup-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* Telemetry Flow Nodes */
.telemetry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.telemetry-node {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.telemetry-node:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.node-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.node-value {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
}

.node-icon {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.node-icon.solar { background: #eab308; }
.node-icon.battery { background: var(--accent); }
.node-icon.load { background: var(--secondary); }
.node-icon.grid { background: var(--primary); }

/* Features Section */
.features {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem auto;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

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

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 12px 30px rgba(6, 182, 212, 0.08);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.25rem;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Call to Action Section */
.cta-section {
    max-width: 1200px;
    margin: 4rem auto 8rem auto;
    padding: 0 2rem;
}

.cta-box {
    background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
    border: 1px solid var(--border-color);
    border-radius: 32px;
    padding: 5rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    bottom: -200px;
    right: -100px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
}

.cta-box h2 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.cta-box p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
    font-size: 1.15rem;
    line-height: 1.6;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    background: #07090d;
    padding: 4rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
}

.footer-logo span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive Breakpoints */
@media (max-width: 968px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding-top: 4rem;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: 1rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .telemetry-grid {
        grid-template-columns: 1fr;
    }
}