/* ================================
   Design System Variables
   ================================ */
:root {
    /* Colors - Professional Corporate Palette */
    --color-primary: #1a1a2e;
    --color-secondary: #16213e;
    --color-accent: #0066cc;
    --color-accent-dark: #0052a3;
    --color-text: #f0f0f0;
    --color-text-muted: #a0a0a0;
    --color-background: #0f0f23;
    --color-surface: #1a1a2e;
    --color-border: #2a2a3e;

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --border-radius: 8px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);

    /* Animations */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ================================
   Reset & Base Styles
   ================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-display);
    font-weight: 300;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-background);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ================================
   Background Grid Effect
   ================================ */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
    opacity: 0.5;
}

/* ================================
   Navigation
   ================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(5, 11, 20, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    animation: slideDown 0.6s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-image {
    height: 80px;
    width: auto;
    object-fit: contain;
    margin: -10px 0;
}

.logo-bracket {
    color: var(--color-accent);
    font-size: 1.8rem;
}

.logo-text {
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 400;
    transition: color var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-accent);
}

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

.nav-link-cta {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--color-accent);
    border-radius: var(--border-radius);
    color: var(--color-accent);
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    background: var(--color-accent);
    color: var(--color-primary);
}

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

.hero .container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease 0.2s both;
    max-width: 900px;
    text-align: center;
}

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

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease both;
}

.title-line:nth-child(1) {
    animation-delay: 0.4s;
}

.title-line:nth-child(2) {
    animation-delay: 0.5s;
}

.title-line:nth-child(3) {
    animation-delay: 0.6s;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    max-width: 500px;
    animation: fadeInUp 0.8s ease 0.7s both;
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    animation: fadeInUp 0.8s ease 0.8s both;
    justify-content: center;
    margin-bottom: var(--space-xl);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--color-accent);
    color: #ffffff;
}

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

.btn-secondary {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-secondary:hover {
    background: rgba(0, 217, 255, 0.1);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    animation: fadeInUp 0.8s ease 0.9s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ================================
   Section Styles
   ================================ */
.about, .services, .contact {
    padding: var(--space-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.label-line {
    width: 40px;
    height: 2px;
    background: var(--color-accent);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

/* ================================
   About Section
   ================================ */
.about {
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-surface) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.about-card {
    background: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

.about-card:hover {
    border-color: var(--color-accent);
}

.about-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.about-card p {
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* ================================
   Services Section
   ================================ */
.services {
    background: var(--color-background);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--space-lg);
}

.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--color-accent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    border-color: var(--color-accent);
}

.service-icon {
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.service-card h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.service-card > p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.service-features {
    list-style: none;
    display: grid;
    gap: var(--space-xs);
}

.service-features li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-muted);
}

.service-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* ================================
   Contact Section
   ================================ */
.contact {
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-surface) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.contact-info .section-label,
.contact-info .section-title {
    text-align: left;
}

.contact-description {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-item {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-label {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
}

.contact-value {
    color: var(--color-text);
    line-height: 1.6;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 0.875rem;
    color: var(--color-text);
    font-family: var(--font-display);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

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

.btn-full {
    width: 100%;
}

/* ================================
   Footer
   ================================ */
.footer {
    background: var(--color-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-xl) 0 var(--space-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-brand .logo {
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-company h4,
.footer-services h4,
.footer-legal-links h4 {
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.footer-company p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.8;
}

.footer-services ul,
.footer-legal-links ul {
    list-style: none;
}

.footer-services li,
.footer-legal-links li {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    padding: 0.25rem 0;
}

.footer-legal-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-legal-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-md);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-legal {
    margin-top: var(--space-xs);
    font-size: 0.75rem;
}

/* ================================
   Responsive Design
   ================================ */
@media (max-width: 968px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    :root {
        --space-lg: 3rem;
        --space-xl: 4rem;
    }

    .nav-links {
        gap: 0.75rem;
    }

    .nav-link {
        font-size: 0.875rem;
    }

    .nav-link-cta {
        padding: 0.4rem 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .section-title {
        font-size: 2rem;
    }

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

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo-bracket {
        font-size: 1.5rem;
    }

    .logo-image {
        height: 50px;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .nav-link {
        font-size: 0.75rem;
    }

    .nav-link-cta {
        padding: 0.4rem 0.75rem;
        font-size: 0.75rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .code-content {
        font-size: 0.8rem;
        padding: var(--space-sm);
    }
}

/* ================================
   Accessibility
   ================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}