/* CSS Reset and Variables */
:root {
    /* Color Palette */
    --bg-dark: #060b13;
    --bg-darker: #020408;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    /* Brand Colors derived from the logo */
    --brand-cyan: #00b8e6;
    --brand-cyan-glow: rgba(0, 184, 230, 0.5);
    --brand-blue: #1a5286;
    --brand-accent: #22d3ee;
    
    /* UI Elements */
    --glass-bg: rgba(15, 26, 46, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout */
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
    color: var(--text-main);
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    background-image: linear-gradient(rgba(6, 11, 19, 0.88), rgba(6, 11, 19, 0.88)), url('./assets/bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, var(--brand-accent), var(--brand-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-body {
    font-size: 1.125rem;
    color: var(--text-muted);
}

/* Layout & Containers */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 5%;
}

.relative { position: relative; }
.z-10 { z-index: 10; }
.mb-6 { margin-bottom: 1.5rem; }

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: all 0.3s ease;
    background: transparent;
}

#navbar.scrolled {
    padding: 1rem 0;
    background: rgba(6, 11, 19, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 5%;
}

.logo-link {
    text-decoration: none;
    display: flex;
    align-items: center;
}

#brand-logo {
    height: 40px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: 2px;
    color: var(--text-main);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2.5rem;
}

.nav-item {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
    position: relative;
}

.nav-item:hover {
    color: var(--brand-cyan);
}

.nav-item::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--brand-cyan);
    transition: width 0.3s ease;
}

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

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

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-main);
    transition: 0.3s;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-nav {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-family: var(--font-heading);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-nav {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--glass-highlight);
}

.btn-nav:hover {
    background: var(--glass-highlight);
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand-cyan), var(--brand-blue));
    color: white;
    box-shadow: 0 4px 15px var(--brand-cyan-glow);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--brand-cyan-glow);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

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

#network-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 900px;
}

.badge {
    background: rgba(0, 184, 230, 0.1);
    border: 1px solid rgba(0, 184, 230, 0.3);
    color: var(--brand-accent);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    display: inline-block;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 6rem);
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 3rem auto;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.bottom-gradient-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, var(--bg-dark), transparent);
    z-index: 5;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--brand-accent);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { top: 8px; opacity: 1; }
    100% { top: 20px; opacity: 0; }
}

/* Sections General */
.section {
    padding: 6rem 0;
    position: relative;
}

.bg-alternate {
    background-color: var(--bg-darker);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.125rem;
}

/* Glass Cards */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 24px;
    padding: 2.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: var(--glass-highlight);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.service-card .card-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 184, 230, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-accent);
    margin-bottom: 1.5rem;
}

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

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

/* Expertise / Split Layout */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.items-center {
    align-items: center;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.feature-list .bullet {
    width: 8px;
    height: 8px;
    background: var(--brand-accent);
    border-radius: 50%;
    margin-top: 8px;
    box-shadow: 0 0 10px var(--brand-cyan);
    flex-shrink: 0;
}

.feature-list strong {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--text-main);
    display: block;
    margin-bottom: 0.25rem;
}

.feature-list p {
    color: var(--text-muted);
}

/* Code Window Simulation */
.code-window {
    padding: 0;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}

.window-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
}

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

.window-header .dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #4a5568;
}

.window-header .dots span:nth-child(1) { background: #fc5c65; }
.window-header .dots span:nth-child(2) { background: #fd9644; }
.window-header .dots span:nth-child(3) { background: #2bcbba; }

.window-header .title {
    margin: 0 auto;
    font-family: monospace;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.code-window pre {
    padding: 2rem;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95rem;
    line-height: 1.5;
    color: #e2e8f0;
}

.keyword { color: #c678dd; }
.string { color: #98c379; }
.comment { color: #5c6370; font-style: italic; }
.function { color: #61afef; }
.decorator { color: #e5c07b; }

/* CTA Section */
.cta-section {
    position: relative;
    overflow: hidden;
}

.glow-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--brand-blue) 0%, transparent 70%);
    opacity: 0.2;
    z-index: 1;
    pointer-events: none;
}

.cta-container {
    text-align: center;
    max-width: 800px;
    padding: 4rem 2rem;
    position: relative;
    z-index: 10;
}

.cta-container h2 {
    font-size: clamp(2rem, 3vw, 2.5rem);
    margin-bottom: 1rem;
}

.cta-container p {
    color: var(--text-muted);
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: 1rem;
}

.form-group input {
    flex: 1;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    border: 1px solid var(--glass-highlight);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-family: var(--font-body);
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus {
    border-color: var(--brand-cyan);
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem 0;
    background: var(--bg-darker);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .footer-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: 2px;
    color: var(--text-main);
    display: block;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-muted);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.link-col h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.link-col a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s;
}

.link-col a:hover {
    color: var(--brand-cyan);
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--glass-border);
    padding-top: 2rem;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 1s ease-out;
}

.fade-in.visible {
    opacity: 1;
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(6, 11, 19, 0.95);
        backdrop-filter: blur(10px);
        padding: 2rem 0;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }

    .split-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: 2rem;
    }
}