/* ============================================
   Ice Water Labs - Main Stylesheet
   Light, modern design with traffic-light green accents
   ============================================ */

/* CSS Variables */
:root {
    /* Core palette */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F5;

    /* Text */
    --text-primary: #0F172A;
    --text-secondary: #475569;

    /* Brand */
    --brand-blue: #2563EB;
    --brand-blue-dark: #1E40AF;
    --brand-blue-light: #DBEAFE;
    --brand-blue-subtle: #EFF6FF;
    --accent-green: #00CC54;
    --accent-green-dark: #00B347;
    --accent-green-light: rgba(0, 204, 84, 0.12);
    --accent-grey: #475569;
    --accent-grey-dark: #334155;
    --accent-grey-light: #CBD5E1;
    --accent-grey-tint: rgba(71, 85, 105, 0.08);

    /* Traffic-light "stop light" mesh: dot grid over a flat green.
       Apply with: background: var(--signal-mesh); background-size: var(--signal-mesh-size); */
    --signal-mesh:
        radial-gradient(circle at 3px 3px, rgba(255, 255, 255, 0.24) 1px, transparent 1.6px),
        #00CC54;
    --signal-mesh-hover:
        radial-gradient(circle at 3px 3px, rgba(255, 255, 255, 0.22) 1px, transparent 1.6px),
        #00B347;
    --signal-mesh-size: 6px 6px, auto;

    /* Cards & borders */
    --border-color: #E5E5E5;
    --card-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --card-shadow-hover: 0 10px 15px -3px rgba(37, 99, 235, 0.1), 0 4px 6px -4px rgba(37, 99, 235, 0.06);
    --neon-glow: 0 0 20px rgba(0, 200, 83, 0.34);

    /* Typography */
    --font-heading: 'IBM Plex Serif', Georgia, 'Times New Roman', serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* 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;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* Dark theme */
[data-theme="dark"] {
    --bg-primary: #171717;
    --bg-secondary: #262626;
    --text-primary: #F5F5F5;
    --text-secondary: #A3A3A3;
    --brand-blue: #3B82F6;
    --brand-blue-dark: #60A5FA;
    --brand-blue-light: rgba(59, 130, 246, 0.2);
    --brand-blue-subtle: rgba(59, 130, 246, 0.1);
    --accent-green: #00D85A;
    --accent-green-dark: #21E574;
    --accent-green-light: rgba(0, 216, 90, 0.20);
    --accent-grey: #94A3B8;
    --accent-grey-dark: #CBD5E1;
    --accent-grey-light: #475569;
    --accent-grey-tint: rgba(148, 163, 184, 0.12);
    --border-color: #404040;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 10px 15px -3px rgba(59, 130, 246, 0.2), 0 4px 6px -4px rgba(59, 130, 246, 0.1);
    --neon-glow: 0 0 20px rgba(0, 200, 83, 0.5);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Selection */
::selection {
    background: var(--brand-blue);
    color: #FFFFFF;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94A3B8;
}

/* Focus visible */
:focus-visible {
    outline: 2px solid var(--brand-blue);
    outline-offset: 2px;
}

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

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-lg) 0;
    background: transparent;
    transition: all var(--transition-base);
}

.nav.scrolled {
    padding: var(--space-sm) 0;
    background: rgba(250, 247, 243, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(170, 75, 0, 0.13);
    box-shadow: 0 1px 0 rgba(170, 75, 0, 0.07), 0 2px 16px rgba(15, 23, 42, 0.09);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--text-primary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.nav-logo-img {
    width: 32px;
    height: 32px;
}

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

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    letter-spacing: 0.02em;
}

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

.nav-link-cta {
    padding: var(--space-sm) var(--space-lg);
    background: var(--signal-mesh);
    background-size: var(--signal-mesh-size);
    color: #FFFFFF !important;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-base);
}

.nav-link-cta:hover {
    transform: translateY(-2px);
    background: var(--signal-mesh-hover);
    background-size: var(--signal-mesh-size);
    box-shadow: var(--neon-glow);
    color: #FFFFFF !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
    transform-origin: center;
}

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

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.theme-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-icon-sun {
    display: none;
}

[data-theme="dark"] .theme-icon-sun {
    display: block;
}

[data-theme="dark"] .theme-icon-moon {
    display: none;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        gap: var(--space-xl);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: 999;
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-link {
        font-size: 1.25rem;
        font-weight: 600;
        color: var(--text-primary);
    }

    .nav-link-cta {
        margin-top: var(--space-md);
        padding: var(--space-md) var(--space-2xl);
        font-size: 1rem;
    }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: calc(80px + var(--space-4xl)) var(--container-padding) var(--space-3xl);
    background: radial-gradient(ellipse at 50% 30%, rgba(120, 120, 120, 0.08) 0%, transparent 60%),
                var(--bg-primary);
    overflow: hidden;
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
    opacity: 1;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, #E5E5E5 1px, transparent 1px);
    background-size: 32px 32px;
    opacity: 0.5;
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    text-align: center;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.08;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.gradient-text {
    color: var(--brand-blue);
}

/* Hero rotating word: fades + lifts on each swap, lands on "Works." */
.rotating-word {
    display: inline-block;
    transition: opacity 220ms var(--ease-out-expo),
                transform 220ms var(--ease-out-expo);
    will-change: opacity, transform;
}

.rotating-word.is-leaving {
    opacity: 0;
    transform: translateY(-10px);
}

.rotating-word.is-entering {
    opacity: 0;
    transform: translateY(10px);
}

@media (prefers-reduced-motion: reduce) {
    .rotating-word,
    .rotating-word.is-leaving,
    .rotating-word.is-entering {
        transition: none;
        transform: none;
        opacity: 1;
    }
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--signal-mesh);
    background-size: var(--signal-mesh-size);
    color: #FFFFFF;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--signal-mesh-hover);
    background-size: var(--signal-mesh-size);
    box-shadow: var(--neon-glow);
}

.btn-outline {
    background: transparent;
    color: var(--brand-blue);
    border: 1.5px solid var(--brand-blue);
}

.btn-outline:hover {
    background: rgba(37, 99, 235, 0.04);
    color: var(--brand-blue-dark);
    border-color: var(--brand-blue-dark);
    transform: translateY(-2px);
}

.btn-icon {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

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

/* ============================================
   Tech Marquee
   ============================================ */
.marquee-section {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    overflow: hidden;
}

.marquee-track {
    position: relative;
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-inner {
    display: flex;
    gap: var(--space-3xl);
    animation: marquee-scroll 40s linear infinite;
    width: max-content;
}

.marquee-section:hover .marquee-inner {
    animation-play-state: paused;
}

@keyframes marquee-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.marquee-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-shrink: 0;
    white-space: nowrap;
}

.marquee-item img {
    width: 28px;
    height: 28px;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.5);
    transition: filter var(--transition-base);
}

.marquee-item:hover img {
    filter: grayscale(0%) opacity(1);
}

.marquee-item span {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.marquee-item:hover span {
    color: var(--text-primary);
}

/* ============================================
   Sections (shared)
   ============================================ */
.section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-grey-dark);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Products Section
   ============================================ */
.products {
    background: var(--bg-secondary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-xl);
}

.product-card {
    grid-column: span 2;
}

.product-card:nth-child(4) {
    grid-column: 2 / 4;
}

.product-card:nth-child(5) {
    grid-column: 4 / 6;
}

@media (max-width: 968px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 700px;
        margin: 0 auto;
    }

    .product-card,
    .product-card:nth-child(4),
    .product-card:nth-child(5) {
        grid-column: auto;
    }
}

@media (max-width: 640px) {
    .products-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
}

.product-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform 400ms var(--ease-out-expo), box-shadow 400ms var(--ease-out-expo), border-color var(--transition-base);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.product-card:hover {
    transform: translateY(-4px);
    border-color: var(--brand-blue);
    box-shadow: var(--card-shadow-hover);
}

.product-card-screenshot {
    display: block;
    position: relative;
    height: 180px;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.product-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(37, 99, 235, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
    color: #FFFFFF;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.product-card-screenshot:hover .product-card-overlay {
    opacity: 1;
}

.product-card-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card-screenshot img {
    transform: scale(1.05);
}

.product-card-content {
    padding: var(--space-2xl);
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.pill {
    padding: 0.2rem 0.65rem;
    background: var(--accent-grey-tint);
    color: var(--accent-grey-dark);
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid rgba(71, 85, 105, 0.15);
}

[data-theme="dark"] .pill {
    color: var(--accent-grey-dark);
    border-color: rgba(148, 163, 184, 0.20);
}

.product-card h3 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.product-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.65;
    margin-bottom: var(--space-lg);
}

.product-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.product-tech span {
    padding: 0.15rem 0.5rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.6875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    border: 1px solid var(--border-color);
}

.product-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.product-visit {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--brand-blue);
    white-space: nowrap;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.product-visit:hover {
    color: var(--accent-green);
}

.product-visit svg {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.product-visit:hover svg {
    transform: translateX(3px);
}

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

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

@media (max-width: 968px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
}

.service-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: transform 400ms var(--ease-out-expo), box-shadow 400ms var(--ease-out-expo);
    box-shadow: var(--card-shadow);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}

.service-card--highlight {
    background: var(--bg-secondary);
    border-top: 3px solid var(--brand-blue);
}

.service-icon-wrap {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-grey-tint);
    border-radius: var(--radius-lg);
    color: var(--accent-grey-dark);
    margin-bottom: var(--space-lg);
}

.service-icon-wrap svg {
    width: 24px;
    height: 24px;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.service-card > p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

/* Code Window */
.code-window {
    background: #262626;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid #404040;
}

.code-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: #0F172A;
}

.code-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27c93f; }

.code-title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: #64748B;
}

.code-content {
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    color: #64748B;
    overflow-x: auto;
    white-space: pre;
}

.code-keyword { color: #C084FC; }
.code-class { color: #FDE68A; }
.code-function { color: #7DD3FC; }
.code-string { color: #86EFAC; }

/* Service Image */
.service-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: var(--space-sm);
    border: 1px solid var(--border-color);
    height: 200px;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

@media (max-width: 968px) {
    .service-image {
        height: 180px;
    }
}

/* Service Feature List */
.service-feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 400;
}

.feature-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-grey-dark);
    flex-shrink: 0;
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: var(--bg-secondary);
}

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

.about-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.stats-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: inline;
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-grey-dark);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-grey-dark);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--border-color);
}

@media (max-width: 640px) {
    .stats-row {
        gap: var(--space-xl);
    }

    .stat-divider {
        display: none;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: var(--bg-primary);
}

.contact-inner {
    max-width: 700px;
    margin: 0 auto;
}

.contact-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.contact-header .section-title {
    margin-bottom: var(--space-md);
}

.contact-subtitle {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    max-width: 500px;
    margin: 0 auto;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

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

.form-group label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.optional {
    font-weight: 400;
    color: #64748B;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 0;
    background: transparent;
    border: none;
    border-bottom: 1.5px solid var(--border-color);
    border-radius: 0;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9375rem;
    transition: border-color var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #64748B;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--brand-blue);
}

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

/* Submit Button */
.btn-submit {
    position: relative;
    width: 100%;
    padding: 0.875rem 1.75rem;
    background: var(--signal-mesh);
    background-size: var(--signal-mesh-size);
    color: #FFFFFF;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    overflow: hidden;
    margin-top: var(--space-sm);
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--neon-glow);
}

.btn-submit:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.btn-submit.loading .btn-text {
    visibility: hidden;
}

.btn-submit.loading .btn-spinner {
    display: block;
}

.btn-spinner {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(15, 23, 42, 0.2);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.btn-submit.success {
    background: #00C853;
    color: #FFFFFF;
}

.btn-submit.error {
    background: #ef4444;
    color: #FFFFFF;
}

.btn-submit.rate-limited {
    background: #f59e0b;
    color: var(--text-primary);
}

.form-status {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    min-height: 1.25rem;
}

.form-note {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: var(--space-sm);
}

.form-consent .consent-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

.form-consent input[type="checkbox"] {
    flex-shrink: 0;
    width: 1.125rem;
    height: 1.125rem;
    margin-top: 0.1875rem;
    accent-color: var(--accent-color, #00bcd4);
    cursor: pointer;
}

.form-consent .consent-text {
    font-size: 0.75rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.form-consent .consent-text a {
    color: var(--text-primary);
    text-decoration: underline;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-2xl) 0 var(--space-xl);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.footer-tagline {
    margin-top: var(--space-sm);
    font-size: 0.8125rem;
    color: #64748B;
    font-style: italic;
}

.footer-social {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.footer-social:hover {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: 0.75rem;
    color: #64748B;
}

.footer-utah {
    margin-top: var(--space-xs);
    letter-spacing: 0.05em;
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */
[data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 400ms var(--ease-out-expo), transform 400ms var(--ease-out-expo);
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger product cards */
.products-grid [data-reveal]:nth-child(2) {
    transition-delay: 100ms;
}

.products-grid [data-reveal]:nth-child(3) {
    transition-delay: 200ms;
}

.products-grid [data-reveal]:nth-child(4) {
    transition-delay: 300ms;
}

.products-grid [data-reveal]:nth-child(5) {
    transition-delay: 400ms;
}

/* Stagger service cards */
.services-grid [data-reveal]:nth-child(2) {
    transition-delay: 100ms;
}

.services-grid [data-reveal]:nth-child(3) {
    transition-delay: 200ms;
}

/* ============================================
   Dark Theme Overrides
   ============================================ */
[data-theme="dark"] .nav.scrolled {
    background: rgba(30, 30, 30, 0.94);
    border-bottom: 1px solid rgba(59, 130, 246, 0.22);
    box-shadow: 0 1px 0 rgba(59, 130, 246, 0.1), 0 2px 14px rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] .hero {
    background: radial-gradient(ellipse at 50% 30%, rgba(180, 180, 180, 0.10) 0%, transparent 60%),
                var(--bg-primary);
}

[data-theme="dark"] .hero-bg-pattern {
    background-image: radial-gradient(circle, #404040 1px, transparent 1px);
    opacity: 0.3;
}

[data-theme="dark"] .marquee-item img {
    filter: grayscale(100%) opacity(0.5) invert(1);
}

[data-theme="dark"] .marquee-item:hover img {
    filter: grayscale(0%) opacity(1);
}

[data-theme="dark"] .pill {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .product-tech span {
    background: var(--bg-primary);
}

[data-theme="dark"] .service-card--highlight {
    background: var(--bg-secondary);
}

[data-theme="dark"] .service-icon-wrap {
    background: rgba(59, 130, 246, 0.15);
}

[data-theme="dark"] .optional,
[data-theme="dark"] .footer-tagline,
[data-theme="dark"] .footer-bottom p {
    color: #94A3B8;
}

[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder {
    color: #64748B;
}

[data-theme="dark"] .btn-spinner {
    border-color: rgba(241, 245, 249, 0.2);
    border-top-color: var(--text-primary);
}

[data-theme="dark"] .footer-social {
    background: var(--bg-secondary);
}

[data-theme="dark"] .footer-social:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #475569;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #64748B;
}

@media (max-width: 768px) {
    [data-theme="dark"] .nav-links {
        background: rgba(30, 30, 30, 0.98);
    }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .hero-content {
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

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

    .footer-left {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

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

    html {
        scroll-behavior: auto;
    }

    .marquee-inner {
        animation: none;
    }

    [data-reveal] {
        opacity: 1;
        transform: none;
    }
}

/* ============================================
   Print
   ============================================ */
@media print {
    .nav,
    .marquee-section,
    .hero-bg-pattern,
    .contact-form {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }

    .section {
        padding: 2rem 0;
    }
}