:root {
    --primary-blue: #0066FF;
    --deep-blue: #0047AB;
    --light-blue: #00A3FF;
    --dark-bg: #0a0e1a;
    --darker-bg: #050810;
    --text-light: #e0e7ff;
    --text-dim: #94a3b8;
    --accent-cyan: #06b6d4;
}

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

body {
    font-family: 'Work Sans', sans-serif;
    background: var(--darker-bg);
    color: var(--text-light);
    overflow-x: hidden;
}

/* Animated background grid */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 102, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
    z-index: 0;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Glowing orbs in background */
.orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 15s infinite ease-in-out;
    z-index: 0;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-blue);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-cyan);
    bottom: 100px;
    left: -50px;
    animation-delay: 5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, -50px) scale(1.1); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
    z-index: 1;
}

/* Navigation */
nav {
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideDown 0.8s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 28px;
    font-weight: 900;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-weight: 400;
    font-size: 15px;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: 100px 0 150px;
    animation: fadeInUp 1s ease-out 0.3s both;
}

@keyframes fadeInUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-text h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    letter-spacing: -2px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-text p {
    font-size: 20px;
    line-height: 1.7;
    color: var(--text-dim);
    margin-bottom: 40px;
    max-width: 550px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: 'Work Sans', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--deep-blue));
    color: white;
    box-shadow: 0 10px 40px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(0, 102, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-blue);
}

/* 3D Stack Visual */
.hero-visual {
    perspective: 1000px;
}

.stack-3d {
    position: relative;
    width: 100%;
    height: 400px;
    transform-style: preserve-3d;
    animation: rotate3d 20s infinite linear;
}

@keyframes rotate3d {
    0% { transform: rotateY(0deg) rotateX(10deg); }
    100% { transform: rotateY(360deg) rotateX(10deg); }
}

.layer {
    position: absolute;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.2), rgba(0, 163, 255, 0.1));
    border: 2px solid rgba(0, 102, 255, 0.3);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.layer:nth-child(1) {
    transform: translateZ(0px);
    animation: float 6s infinite ease-in-out;
}

.layer:nth-child(2) {
    transform: translateZ(-60px);
    animation: float 6s infinite ease-in-out 0.2s;
}

.layer:nth-child(3) {
    transform: translateZ(-120px);
    animation: float 6s infinite ease-in-out 0.4s;
}

/* Services Section */
.services {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 60px rgba(0, 102, 255, 0.2);
}

.service-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 600;
}

.service-card p {
    color: var(--text-dim);
    line-height: 1.6;
    font-size: 16px;
}

/* Tech Stack */
.tech-stack {
    padding: 100px 0;
}

.tech-logos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.tech-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    font-weight: 600;
    font-size: 18px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.tech-item:hover {
    background: rgba(0, 102, 255, 0.1);
    border-color: var(--primary-blue);
    transform: translateY(-5px);
}

/* Featured Project */
.featured-project {
    padding: 100px 0;
}

.project-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    padding: 60px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-tag {
    display: inline-block;
    background: rgba(0, 102, 255, 0.2);
    color: var(--light-blue);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.project-content h3 {
    font-size: 36px;
    margin-bottom: 20px;
    font-weight: 700;
}

.project-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-dim);
    margin-bottom: 30px;
}

.project-features {
    margin: 30px 0;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 25px;
}

.feature-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.feature-item strong {
    display: block;
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--text-light);
}

.feature-item p {
    color: var(--text-dim);
    font-size: 14px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

.tech-badge {
    background: rgba(0, 102, 255, 0.1);
    color: var(--light-blue);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

/* Browser Mockup */
.browser-mockup {
    background: var(--dark-bg);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.browser-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.browser-dots {
    display: flex;
    gap: 8px;
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-dim);
}

.browser-dots span:nth-child(1) { background: #ff5f56; }
.browser-dots span:nth-child(2) { background: #ffbd2e; }
.browser-dots span:nth-child(3) { background: #27c93f; }

.browser-title {
    color: var(--text-dim);
    font-size: 14px;
}

.browser-content {
    padding: 30px;
    position: relative;
}

.demo-textarea {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    min-height: 150px;
    position: relative;
}

.typing-text {
    color: var(--text-light);
    font-size: 16px;
    font-family: monospace;
}

.suggestion-popup-demo {
    position: absolute;
    top: 60px;
    left: 20px;
    background: var(--dark-bg);
    border: 1px solid var(--primary-blue);
    border-radius: 10px;
    padding: 10px;
    min-width: 300px;
    box-shadow: 0 10px 40px rgba(0, 102, 255, 0.3);
}

.suggestion-item-demo {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 5px;
    transition: all 0.2s ease;
}

.suggestion-item-demo.active {
    background: rgba(0, 102, 255, 0.2);
}

.suggestion-title {
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 14px;
}

.suggestion-preview {
    color: var(--text-dim);
    font-size: 12px;
}

.press-tab {
    text-align: center;
    margin-top: 20px;
    color: var(--text-dim);
    font-size: 14px;
}

.press-tab kbd {
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-family: monospace;
}

/* About Section */
.about-section {
    padding: 100px 0;
}

.about-content {
    max-width: 900px;
    margin: 40px auto 0;
    text-align: center;
}

.about-content p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-dim);
    margin-bottom: 20px;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
}

.cta-box {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 163, 255, 0.05));
    padding: 80px 60px;
    border-radius: 30px;
    text-align: center;
    border: 1px solid rgba(0, 102, 255, 0.3);
}

.cta-box h2 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
    font-family: 'Orbitron', sans-serif;
}

.cta-box p {
    font-size: 20px;
    color: var(--text-dim);
    margin-bottom: 40px;
}

/* Contact Form */
.contact-form {
    max-width: 700px;
    margin: 40px auto 0;
    background: rgba(255, 255, 255, 0.03);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 16px;
    font-family: 'Work Sans', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-dim);
}

.contact-form .btn {
    width: 100%;
    margin-top: 10px;
}

.form-status {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 100px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-brand p {
    color: var(--text-dim);
    line-height: 1.6;
}

.footer-column h4 {
    margin-bottom: 20px;
    font-size: 16px;
    font-weight: 600;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--primary-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-dim);
    font-size: 14px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 48px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-showcase {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .nav-links {
        gap: 20px;
        font-size: 14px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .tech-logos {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 20px;
    }

    .hero-text h1 {
        font-size: 36px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .tech-logos {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .nav-links {
        display: none;
    }

    .cta-box {
        padding: 40px 30px;
    }

    .cta-box h2 {
        font-size: 32px;
    }

    .section-header h2 {
        font-size: 36px;
    }
}