/* ===================================
   Nitrovia Labs - Professional AI Website
   Color Scheme: Black Tri Mini Aussie
   - Primary: Black (#0d0d0d, #1a1a1a, #2d2d2d)
   - Secondary: White (#ffffff, #f5f5f5, #e8e8e8)
   - Accent: Tan/Copper (#c9a962, #d4a853, #b8860b)
   =================================== */

/* CSS Variables */
:root {
    /* Black Tri Mini Aussie Color Palette */
    --black-deep: #0d0d0d;
    --black-primary: #1a1a1a;
    --black-secondary: #2d2d2d;
    --black-tertiary: #3d3d3d;

    --white-pure: #ffffff;
    --white-soft: #f5f5f5;
    --white-muted: #e8e8e8;
    --gray-light: #9a9a9a;
    --gray-medium: #6b6b6b;

    --copper-light: #d4a853;
    --copper-primary: #c9a962;
    --copper-dark: #b8860b;
    --copper-deep: #8b6914;

    /* Semantic Colors */
    --bg-primary: var(--black-deep);
    --bg-secondary: var(--black-primary);
    --bg-card: var(--black-secondary);

    --text-primary: var(--white-pure);
    --text-secondary: var(--gray-light);
    --text-muted: var(--gray-medium);

    --accent-primary: var(--copper-primary);
    --accent-light: var(--copper-light);
    --accent-dark: var(--copper-dark);

    /* Gradients */
    --gradient-copper: linear-gradient(135deg, var(--copper-light) 0%, var(--copper-dark) 100%);
    --gradient-dark: linear-gradient(180deg, var(--black-deep) 0%, var(--black-primary) 100%);
    --gradient-card: linear-gradient(145deg, var(--black-secondary) 0%, var(--black-tertiary) 100%);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    /* Borders & Shadows */
    --border-subtle: 1px solid rgba(255, 255, 255, 0.08);
    --border-accent: 1px solid var(--copper-primary);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(201, 169, 98, 0.15);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

ul, ol {
    list-style: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient-copper);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: var(--transition-normal);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: var(--border-subtle);
    padding: var(--space-sm) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-copper);
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--black-deep);
}

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

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

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: var(--space-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-copper);
    transition: var(--transition-normal);
}

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

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

.nav-link.cta-btn {
    background: var(--gradient-copper);
    color: var(--black-deep);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
}

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

.nav-link.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-normal);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--space-4xl) var(--space-lg);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(201, 169, 98, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(201, 169, 98, 0.08) 0%, transparent 40%),
        var(--gradient-dark);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--copper-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite ease-in-out;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-100px) translateX(50px);
        opacity: 0.6;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(201, 169, 98, 0.1);
    border: 1px solid rgba(201, 169, 98, 0.3);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--copper-light);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--copper-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease 0.1s backwards;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
}

.btn-primary {
    background: var(--gradient-copper);
    color: var(--black-deep);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow), 0 10px 30px rgba(201, 169, 98, 0.3);
}

.btn-primary .btn-arrow {
    width: 18px;
    height: 18px;
    transition: var(--transition-normal);
}

.btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.05rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--copper-primary);
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--copper-primary);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    animation: fadeInUp 0.8s ease 0.5s backwards;
}

.scroll-indicator span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-arrow {
    width: 20px;
    height: 30px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--copper-primary);
    border-radius: 2px;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(8px);
        opacity: 0.3;
    }
}

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

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--copper-primary);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================
   Mission Section
   =================================== */
.mission {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.mission::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(201, 169, 98, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.mission-statement {
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    position: relative;
    padding-left: var(--space-lg);
    border-left: 3px solid var(--copper-primary);
}

.mission-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
}

.mission-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.feature-item {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.02);
    border: var(--border-subtle);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.feature-item:hover {
    background: rgba(201, 169, 98, 0.05);
    border-color: rgba(201, 169, 98, 0.2);
    transform: translateX(10px);
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 98, 0.1);
    border-radius: var(--radius-sm);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--copper-primary);
}

.feature-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.feature-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Mission Visual */
.mission-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-card {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    border: var(--border-subtle);
    overflow: hidden;
}

.card-glow {
    position: absolute;
    inset: -50%;
    background: radial-gradient(circle at 50% 50%, rgba(201, 169, 98, 0.15) 0%, transparent 50%);
    animation: rotateGlow 10s linear infinite;
}

@keyframes rotateGlow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.card-content {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.ai-brain {
    width: 200px;
    height: 200px;
}

.brain-svg {
    width: 100%;
    height: 100%;
}

.pulse-ring {
    animation: pulseRing 3s ease-in-out infinite;
}

.pulse-ring.delay-1 {
    animation-delay: 0.5s;
}

.pulse-ring.delay-2 {
    animation-delay: 1s;
}

@keyframes pulseRing {
    0%, 100% {
        transform-origin: center;
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.3;
    }
}

.neural-nodes circle {
    animation: nodeGlow 2s ease-in-out infinite alternate;
}

@keyframes nodeGlow {
    from {
        filter: drop-shadow(0 0 2px var(--copper-primary));
    }
    to {
        filter: drop-shadow(0 0 8px var(--copper-primary));
    }
}

.card-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--copper-primary);
    margin-top: var(--space-lg);
}

/* ===================================
   Services Section
   =================================== */
.services {
    background: var(--bg-primary);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-copper);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(201, 169, 98, 0.3);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card.featured {
    grid-column: span 2;
    background: linear-gradient(145deg, rgba(201, 169, 98, 0.08) 0%, var(--bg-card) 100%);
    border-color: rgba(201, 169, 98, 0.2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-lg);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 98, 0.1);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    background: rgba(201, 169, 98, 0.2);
    transform: scale(1.05);
}

.service-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--copper-primary);
}

.service-number {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.service-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.service-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.service-features {
    margin-bottom: var(--space-lg);
}

.service-features li {
    position: relative;
    padding-left: var(--space-lg);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--copper-primary);
    border-radius: 50%;
}

.service-footer {
    padding-top: var(--space-md);
    border-top: var(--border-subtle);
}

.learn-more {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--copper-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.learn-more .arrow {
    transition: var(--transition-normal);
}

.service-card:hover .learn-more .arrow {
    transform: translateX(5px);
}

/* Services Note */
.services-note {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
    margin-top: var(--space-3xl);
    padding: var(--space-xl);
    background: rgba(201, 169, 98, 0.05);
    border: 1px solid rgba(201, 169, 98, 0.15);
    border-radius: var(--radius-md);
}

.note-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.note-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--copper-primary);
}

.services-note p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.services-note strong {
    color: var(--text-primary);
}

/* ===================================
   Future Section
   =================================== */
.future {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.future::before {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse at center, rgba(201, 169, 98, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.future-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.future-card {
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.future-card:hover {
    transform: translateY(-5px);
    border-color: rgba(201, 169, 98, 0.2);
    box-shadow: var(--shadow-md);
}

.future-card.highlight {
    background: linear-gradient(145deg, rgba(201, 169, 98, 0.1) 0%, var(--bg-card) 100%);
    border-color: rgba(201, 169, 98, 0.25);
}

.future-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 98, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.future-icon svg {
    width: 30px;
    height: 30px;
    stroke: var(--copper-primary);
}

.future-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.future-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.future-cta {
    text-align: center;
    margin-top: var(--space-3xl);
    padding: var(--space-xl);
    background: rgba(201, 169, 98, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(201, 169, 98, 0.1);
}

.future-cta p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 80% at 50% 100%, rgba(201, 169, 98, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 80% 50% at 20% 50%, rgba(201, 169, 98, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    padding: var(--space-3xl) 0;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.cta-content > p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.cta-contact-info {
    display: flex;
    justify-content: center;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.contact-link:hover {
    color: var(--copper-primary);
}

.contact-link svg {
    width: 18px;
    height: 18px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--black-deep);
    border-top: var(--border-subtle);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    max-width: 300px;
}

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

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--copper-primary);
    transform: translateX(3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: var(--border-subtle);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--space-xl);
}

.footer-legal a {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-legal a:hover {
    color: var(--copper-primary);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .service-card.featured {
        grid-column: span 2;
    }

    .mission-content {
        gap: var(--space-2xl);
    }
}

@media (max-width: 900px) {
    .mission-content {
        grid-template-columns: 1fr;
    }

    .mission-visual {
        order: -1;
    }

    .visual-card {
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(13, 13, 13, 0.98);
        padding: var(--space-xl);
        gap: var(--space-lg);
        border-bottom: var(--border-subtle);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

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

    .stat-divider {
        width: 50px;
        height: 1px;
    }

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

    .service-card.featured {
        grid-column: span 1;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-4xl: 4rem;
    }

    .hero {
        padding: var(--space-3xl) var(--space-md);
    }

    .container {
        padding: 0 var(--space-md);
    }

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

    .feature-item {
        flex-direction: column;
        text-align: center;
    }

    .services-note {
        flex-direction: column;
        text-align: center;
    }

    .scroll-indicator {
        display: none;
    }
}

/* ===================================
   Animations & Utilities
   =================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Selection Styling */
::selection {
    background: var(--copper-primary);
    color: var(--black-deep);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--black-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--copper-dark);
}

/* Focus States for Accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--copper-primary);
    outline-offset: 3px;
}

/* Print Styles */
@media print {
    .navbar,
    .scroll-indicator,
    .hero-particles {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}