:root {
    --bg: #08090d;
    --surface: #111319;
    --surface-accent: #191c26;
    --primary: #4f46e5;
    --primary-glow: rgba(79, 70, 229, 0.4);
    --text: #f9fafb;
    --text-muted: #9ca3af;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.site-header {
    background-color: rgba(8, 9, 13, 0.8);
    backdrop-filter: blur(12px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.header-wrap {
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.4rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text);
    letter-spacing: -0.03em;
}
.logo span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.main-nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 2.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s;
}
.main-nav a:hover {
    color: var(--text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s;
}
.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 20px var(--primary-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--primary-glow);
}
.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}
.btn-text {
    color: var(--text);
    padding-left: 1rem;
}
.btn-text:hover {
    color: #a855f7;
}

/* Hero Section */
.hero-section {
    padding: 12rem 0 6rem;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}
.badge {
    display: inline-block;
    background-color: rgba(79, 70, 229, 0.1);
    border: 1px solid rgba(79, 70, 229, 0.2);
    color: #818cf8;
    padding: 0.4rem 1rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
}
.hero-content h1 span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.hero-img {
    width: 100%;
    max-width: 440px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.05);
}

/* Services */
.services-section {
    padding: 6rem 0;
    background-color: var(--surface);
}
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}
.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}
.section-header p {
    color: var(--text-muted);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1xl));
    gap: 2rem;
}
.service-card {
    background-color: var(--bg);
    padding: 3rem 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.02);
    transition: all 0.3s;
}
.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.2);
}
.card-icon {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}
.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}
.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Portfolio */
.portfolio-section {
    padding: 6rem 0;
}
.portfolio-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}
.tab-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-family: inherit;
    transition: all 0.3s;
}
.tab-btn.active, .tab-btn:hover {
    background-color: #fff;
    color: var(--bg);
    border-color: #fff;
}
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1xl));
    gap: 2rem;
}
.project-card {
    background-color: var(--surface);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.02);
    transition: all 0.3s ease;
}
.project-img-wrapper {
    height: 240px;
    overflow: hidden;
}
.project-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.project-card:hover .project-img-wrapper img {
    transform: scale(1.05);
}
.project-info {
    padding: 2rem;
}
.project-cat {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.5rem;
}
.project-info h3 {
    font-size: 1.3rem;
}

/* Footer */
.site-footer {
    background-color: var(--surface);
    padding: 5rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}
.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 320px;
}
.footer-links h4 {
    margin-bottom: 1rem;
}
.footer-links a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    transition: color 0.2s;
}
.footer-links a:hover {
    color: var(--text);
}
.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.3);
    text-align: center;
}

/* Mobile Responsive */
.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}
.mobile-nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text);
    transition: 0.3s;
}

@media(max-width: 968px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-actions { justify-content: center; }
    .hero-visual { display: none; }
    .hero-content h1 { font-size: 2.8rem; }
    .mobile-nav-toggle { display: flex; }
    .main-nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg);
        display: flex;
        flex-direction: column;
        align-items: center;
        padding-top: 4rem;
        transition: 0.4s;
    }
    .main-nav.active { left: 0; }
    .main-nav a { margin: 1.5rem 0; font-size: 1.2rem; margin-left: 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}