:root {
    --primary: #00d2ff;
    --secondary: #3a7bd5;
    --dark: #0f172a;
    --darker: #020617;
    --light: #f8fafc;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--darker);
    color: var(--light);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 50px;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary), var(--secondary), var(--primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 3px;
    animation: shine 3s linear infinite;
    text-shadow: 0 0 20px rgba(0, 210, 255, 0.3);
}

@keyframes shine {
    to {
        background-position: 200% center;
    }
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: var(--light);
    font-weight: 500;
    transition: 0.3s;
    font-size: 0.9rem;
}

nav ul li a:hover {
    color: var(--primary);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
    position: relative;
    background: radial-gradient(circle at center, #1e293b 0%, #020617 100%);
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 30px;
    color: #94a3b8;
}

.btn {
    display: inline-block;
    padding: 12px 35px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: 0.4s;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(0, 210, 255, 0.2);
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 210, 255, 0.4);
}

/* Sections Global */
section {
    padding: 100px 50px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

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

.service-card {
    background: var(--glass);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: 0.4s;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(0, 210, 255, 0.2);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
}

.service-card p {
    color: #94a3b8;
    line-height: 1.6;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.project-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 250px;
}

.project-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(2, 6, 23, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: 0.5s;
    backdrop-filter: blur(5px);
}

.project-item:hover .project-overlay {
    opacity: 1;
}

.project-item:hover img {
    transform: scale(1.1);
}

/* Contact */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h3 {
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.contact-info p {
    margin-bottom: 20px;
    color: #94a3b8;
}

.contact-info i {
    color: var(--primary);
    margin-right: 15px;
    width: 20px;
}

.contact-info a {
    color: var(--primary);
    text-decoration: none;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input, .contact-form textarea {
    padding: 15px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: white;
    outline: none;
}

.contact-form textarea {
    height: 150px;
    resize: none;
}

.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--primary);
}

/* Footer */
footer {
    padding: 50px;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: #64748b;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 1s all ease;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    header {
        padding: 20px;
    }
    nav ul {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .contact-container {
        grid-template-columns: 1fr;
    }
    section {
        padding: 60px 20px;
    }
}