/* ==========================================================================
   Archway AI - Production-Ready AI Implementation
   ========================================================================== */

:root {
    /* Color System - Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f8f8;
    --bg-tertiary: #f0f0f0;
    --bg-elevated: #e8e8e8;
    
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-tertiary: #6a6a6a;
    --text-muted: #8a8a8a;
    
    --accent: #1a1a1a;
    --accent-light: #333333;
    --accent-dark: #000000;
    --accent-subtle: rgba(26, 26, 26, 0.06);
    
    --border: #e0e0e0;
    --border-light: #d0d0d0;
    
    --success: #22c55e;
    --error: #ef4444;
    
    /* Typography - Clean Typewriter */
    --font-display: 'Roboto Mono', monospace;
    --font-body: 'Roboto Mono', 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;
    --space-5xl: 8rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

*, *::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: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
}

::selection {
    background: var(--accent);
    color: #ffffff;
}

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

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

ul, ol {
    list-style: none;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section-header {
    max-width: 700px;
    margin-bottom: var(--space-4xl);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: var(--accent-subtle);
    border-radius: var(--radius-sm);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-light);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent-subtle);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    height: 72px;
    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: 600;
    font-size: 1.25rem;
}

.logo-mark {
    color: var(--accent);
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav-links a {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    background: var(--accent);
    color: #ffffff;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav-cta:hover {
    background: var(--accent-light);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 20%, transparent 70%);
}

.hero-content {
    padding: var(--space-5xl) 0;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--accent);
    margin-bottom: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--accent-subtle);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 100px;
}

.tagline {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    letter-spacing: 0.01em;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-xl);
    max-width: 800px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-4xl);
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3xl);
    padding-top: var(--space-3xl);
    border-top: 1px solid var(--border);
}

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

.stat-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* ==========================================================================
   Clients Bar
   ========================================================================== */

.clients-bar {
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

.clients-label {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.clients-logos {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3xl);
    align-items: center;
}

.client-logo {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    text-transform: none;
}

/* ==========================================================================
   What We Do
   ========================================================================== */

.what-we-do {
    padding: var(--space-5xl) 0;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.capability-card {
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.capability-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.capability-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-subtle);
    color: var(--accent);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.capability-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.capability-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   Services
   ========================================================================== */

.services {
    padding: var(--space-5xl) 0;
    background: var(--bg-secondary);
}

.service-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    margin-bottom: var(--space-5xl);
}

.service-block.reverse {
    direction: rtl;
}

.service-block.reverse > * {
    direction: ltr;
}

.service-block:last-child {
    margin-bottom: 0;
}

.service-number {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: var(--space-md);
}

.service-info h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.service-info > p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.service-list li {
    padding-left: var(--space-lg);
    position: relative;
}

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

.service-list strong {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.service-list span {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* Code Block Visual */
.code-block {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}

.code-dot {
    width: 10px;
    height: 10px;
    background: var(--border-light);
    border-radius: 50%;
}

.code-title {
    margin-left: var(--space-md);
    font-family: var(--font-display);
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

.code-block pre {
    padding: var(--space-xl);
    overflow-x: auto;
}

.code-block code {
    font-family: var(--font-display);
    font-size: 0.8125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.code-keyword { color: #7c3aed; }
.code-class { color: #b45309; }
.code-func { color: #0369a1; }
.code-num { color: #15803d; }

/* Data Viz Visual */
.data-viz {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.data-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.data-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-xl);
}

.data-icon {
    color: var(--success);
}

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

.data-metric {
    display: grid;
    grid-template-columns: 120px 1fr 60px;
    align-items: center;
    gap: var(--space-md);
}

.metric-label {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

.metric-bar {
    height: 6px;
    background: var(--bg-elevated);
    border-radius: 3px;
    overflow: hidden;
}

.metric-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-dark), var(--accent));
    border-radius: 3px;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent);
    text-align: right;
}

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

.data-stat {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
}

.stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.stat-desc {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

/* ==========================================================================
   Process
   ========================================================================== */

.process {
    padding: var(--space-5xl) 0;
}

.process-timeline {
    display: grid;
    gap: 0;
}

.process-step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--space-xl);
}

.step-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--accent);
    border-radius: 50%;
}

.step-line {
    flex: 1;
    width: 2px;
    background: var(--border);
    margin: var(--space-md) 0;
}

.step-content {
    padding-bottom: var(--space-4xl);
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.step-content > p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    max-width: 500px;
}

.step-deliverables {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.step-deliverables li {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.step-duration {
    font-family: var(--font-display);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--accent);
}

/* ==========================================================================
   Industries
   ========================================================================== */

.industries {
    padding: var(--space-5xl) 0;
    background: var(--bg-secondary);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
}

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

.industry-card:hover {
    border-color: var(--border-light);
}

.industry-icon {
    color: var(--accent);
    margin-bottom: var(--space-lg);
}

.industry-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.industry-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   Why Us
   ========================================================================== */

.why-us {
    padding: var(--space-5xl) 0;
}

.differentiators {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-lg);
}

.diff-card {
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.diff-card:hover {
    border-color: var(--border-light);
}

.diff-card.highlight {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.01));
    border-color: rgba(0, 0, 0, 0.2);
}

.diff-number {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: var(--space-md);
}

.diff-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.diff-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==========================================================================
   Case Study
   ========================================================================== */

.case-study {
    padding: var(--space-5xl) 0;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.case-content {
    max-width: 800px;
}

.case-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-xl);
}

.case-study h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    line-height: 1.3;
    font-style: italic;
    margin-bottom: var(--space-xl);
}

.case-context {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.case-results {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3xl);
    margin-bottom: var(--space-xl);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

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

.case-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent);
}

.case-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.case-attribution {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ==========================================================================
   CTA / Contact
   ========================================================================== */

.cta {
    padding: var(--space-5xl) 0;
}

.cta-content {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.cta h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.cta > .cta-content > p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-3xl);
}

.cta-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: left;
}

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

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

.form-group.full {
    margin-bottom: var(--space-xl);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.cta-form .btn {
    width: 100%;
}

.cta-note {
    margin-top: var(--space-xl);
    font-size: 0.9375rem;
    color: var(--text-tertiary);
}

.cta-note a {
    color: var(--accent);
}

.cta-note a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    padding: var(--space-4xl) 0 var(--space-2xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid var(--border);
}

.footer-brand p {
    margin-top: var(--space-md);
    font-size: 0.9375rem;
    color: var(--text-tertiary);
    max-width: 280px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-col a {
    font-size: 0.9375rem;
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

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

.footer-legal a:hover {
    color: var(--text-secondary);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .service-block {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .service-block.reverse {
        direction: ltr;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-stats {
        gap: var(--space-xl);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        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;
    }
    
    .data-metric {
        grid-template-columns: 100px 1fr 50px;
    }
    
    .capabilities-grid,
    .industries-grid,
    .differentiators {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        grid-template-columns: 60px 1fr;
        gap: var(--space-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .case-results {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge,
.hero h1,
.hero-subtitle,
.hero-cta,
.hero-stats {
    animation: fadeInUp 0.6s ease forwards;
}

.hero h1 { animation-delay: 0.1s; }
.hero-subtitle { animation-delay: 0.2s; }
.hero-cta { animation-delay: 0.3s; }
.hero-stats { animation-delay: 0.4s; }