:root {
    --bg-color: #F8F9FA;
    --surface-color: #FFFFFF;
    --text-main: #1A202C;
    --text-muted: #64748B;
    --accent: #00C896; /* Energy Green */
    --accent-dark: #00A578;
    --dark-bg: #0F172A;
    --border-radius: 12px;
    --transition: all 0.3s ease-in-out;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

/* Navigation */
#navbar {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #E2E8F0;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-main);
}

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

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

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--text-main);
    color: var(--bg-color) !important;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--accent);
    color: var(--dark-bg) !important;
}

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-main);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero .container {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.eyebrow {
    color: var(--accent-dark);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

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

.hero-subtext {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.primary-btn {
    background: var(--accent);
    color: var(--dark-bg);
}

.primary-btn:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 200, 150, 0.2);
}

.secondary-btn {
    background: transparent;
    color: var(--text-main);
    border: 2px solid var(--text-main);
}

.secondary-btn:hover {
    background: var(--text-main);
    color: var(--bg-color);
}

.hero-graphic {
    position: absolute;
    right: -10%;
    top: 20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 200, 150, 0.1) 0%, rgba(255,255,255,0) 70%);
    z-index: 1;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(15, 23, 42, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(circle at center, black 40%, transparent 70%);
}

/* Services */
.services, .about, .contact {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--surface-color);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid #E2E8F0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(0, 200, 150, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

/* About */
.about {
    background: var(--dark-bg);
    color: var(--bg-color);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--bg-color);
}

.about p {
    color: #94A3B8;
    margin-bottom: 1.5rem;
}

.stats {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
}

.stat-item h4 {
    font-size: 2.5rem;
    color: var(--accent);
}

.stat-item p {
    color: #94A3B8;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    width: 250px;
    height: 250px;
    background: #1E293B;
    border-radius: 20px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border: 1px solid #334155;
}

.visual-card span {
    margin-top: 2rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 1px;
}

.pulse-dot {
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    position: relative;
    z-index: 2;
}

.pulse-ring {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(4); opacity: 0; }
}

/* Contact */
.contact {
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact p {
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #CBD5E1;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 200, 150, 0.1);
}

.contact-form button {
    margin-top: 1rem;
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: #64748B;
    padding: 2rem 0;
    border-top: 1px solid #1E293B;
}

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

.footer-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--bg-color);
}

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

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
    .hamburger { display: flex; }
    .about-container { grid-template-columns: 1fr; }
    .footer-container { flex-direction: column; gap: 1rem; text-align: center; }
}