/* ========================================
   IT-SECTOR — Modern Corporate Website
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg: #0a0a0b;
    --color-bg-secondary: #111113;
    --color-bg-tertiary: #18181b;
    --color-surface: #1f1f23;
    --color-border: #27272a;
    --color-border-light: #3f3f46;
    
    --color-text: #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-tertiary: #71717a;
    
    --color-primary: #6366f1;
    --color-primary-hover: #818cf8;
    --color-primary-light: rgba(99, 102, 241, 0.1);
    
    --color-accent: #22d3ee;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-text: linear-gradient(135deg, #6366f1 0%, #22d3ee 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 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;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Layout */
    --container-max: 1200px;
    --header-height: 80px;
}

/* 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-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Section */
.section {
    padding: var(--space-24) 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-16);
}

.section-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.4);
}

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

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

.btn-light {
    background: white;
    color: var(--color-bg);
}

.btn-light:hover {
    background: var(--color-text);
    transform: translateY(-2px);
}

/* ========================================
   HEADER
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    border-bottom-color: var(--color-border);
    background: rgba(10, 10, 11, 0.95);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    margin-left: var(--space-4);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* ========================================
   HERO
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

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

.hero-gradient {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-16) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    animation: fadeInUp 0.6s ease;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-6xl));
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease 0.1s both;
}

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

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    max-width: 640px;
    margin: 0 auto var(--space-10);
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-16);
    animation: fadeInUp 0.6s ease 0.4s both;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

/* ========================================
   SERVICES
   ======================================== */

.services {
    background: var(--color-bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.service-card {
    position: relative;
    padding: var(--space-8);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-slow);
}

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

.service-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.service-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    padding: var(--space-1) var(--space-3);
    background: var(--gradient-primary);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.service-desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.service-features li {
    padding: var(--space-1) var(--space-3);
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-full);
}

/* ========================================
   PORTFOLIO
   ======================================== */

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.portfolio-card {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    transition: all var(--transition-slow);
}

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

.portfolio-card-large {
    grid-column: span 2;
}

.portfolio-image {
    position: relative;
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.portfolio-card-large .portfolio-image {
    height: 300px;
}

.portfolio-mockup {
    position: relative;
    z-index: 1;
}

.mockup-phone {
    width: 120px;
    height: 240px;
    background: var(--color-bg);
    border-radius: 24px;
    padding: 8px;
    box-shadow: var(--shadow-xl);
}

.mockup-phone.small {
    width: 100px;
    height: 200px;
}

.mockup-screen {
    width: 100%;
    height: 100%;
    background: var(--color-surface);
    border-radius: 18px;
}

.mockup-browser {
    width: 280px;
    height: 180px;
    background: var(--color-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.mockup-browser.small {
    width: 220px;
    height: 140px;
}

.mockup-browser-header {
    display: flex;
    gap: 6px;
    padding: 10px 12px;
    background: var(--color-surface);
}

.mockup-browser-header span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border-light);
}

.mockup-dashboard {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
}

.mockup-chart {
    flex: 1;
    height: 120px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.portfolio-content {
    padding: var(--space-6);
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.portfolio-tags span {
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
}

.portfolio-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.portfolio-desc {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ========================================
   TECH STACK
   ======================================== */

.tech {
    background: var(--color-bg-secondary);
}

.tech-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    min-width: 120px;
}

.tech-item:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.tech-item svg {
    width: 40px;
    height: 40px;
}

.tech-item span {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* ========================================
   ABOUT
   ======================================== */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-content .section-tag {
    margin-bottom: var(--space-4);
}

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--space-6);
}

.about-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.about-feature {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-success);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 700;
    flex-shrink: 0;
}

.about-feature h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.about-feature p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-card-header {
    display: flex;
    gap: 8px;
    padding: var(--space-4);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.card-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border-light);
}

.card-dot:first-child { background: #ef4444; }
.card-dot:nth-child(2) { background: #f59e0b; }
.card-dot:nth-child(3) { background: #22c55e; }

.about-card-content {
    padding: var(--space-6);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.8;
}

.code-line {
    white-space: nowrap;
}

.code-line.indent {
    padding-left: var(--space-6);
}

.code-keyword { color: #c084fc; }
.code-var { color: #60a5fa; }
.code-prop { color: #f472b6; }
.code-string { color: #34d399; }
.code-number { color: #fbbf24; }

/* ========================================
   PROCESS
   ======================================== */

.process {
    background: var(--color-bg-secondary);
}

.process-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: var(--space-8);
    padding: var(--space-8);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.process-step:hover {
    border-color: var(--color-primary);
    transform: translateX(8px);
}

.step-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.step-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.step-content p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

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

.cta {
    padding: var(--space-16) 0;
}

.cta-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
    padding: var(--space-12) var(--space-16);
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-glow);
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.cta-content p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

/* ========================================
   CONTACT
   ======================================== */

.contact {
    background: var(--color-bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
}

.contact-info .section-tag {
    margin-bottom: var(--space-4);
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: var(--space-4);
}

.contact-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.contact-method:hover {
    border-color: var(--color-primary);
}

.method-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.method-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-1);
}

.method-value {
    font-weight: 500;
}

/* Form */
.contact-form {
    padding: var(--space-8);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-4);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M5 7.5L10 12.5L15 7.5' stroke='%2371717a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
}

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

.form-notice {
    margin-top: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    text-align: center;
}

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

/* ========================================
   FOOTER
   ======================================== */

.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand p {
    color: var(--color-text-secondary);
    margin: var(--space-4) 0 var(--space-6);
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

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

.footer-social a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.footer-links h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a,
.footer-links li {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

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

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-card-large {
        grid-column: span 2;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .section {
        padding: var(--space-16) 0;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .nav-menu,
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    /* Mobile Menu */
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-6);
        gap: var(--space-4);
    }
    
    .nav-menu.active + .nav-cta {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: var(--space-8);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-card-large {
        grid-column: span 1;
    }
    
    .tech-grid {
        gap: var(--space-3);
    }
    
    .tech-item {
        padding: var(--space-4);
        min-width: 100px;
    }
    
    .process-step {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .cta-card {
        flex-direction: column;
        text-align: center;
        padding: var(--space-8);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .stat-value {
        font-size: var(--font-size-3xl);
    }
    
    .service-card {
        padding: var(--space-6);
    }
    
    .contact-form {
        padding: var(--space-6);
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */

@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .portfolio-card,
    .tech-item,
    .process-step,
    .contact-method,
    .about-feature {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.6s ease forwards;
    }
    
    .service-card:nth-child(1) { animation-delay: 0.1s; }
    .service-card:nth-child(2) { animation-delay: 0.2s; }
    .service-card:nth-child(3) { animation-delay: 0.3s; }
    .service-card:nth-child(4) { animation-delay: 0.4s; }
    .service-card:nth-child(5) { animation-delay: 0.5s; }
    .service-card:nth-child(6) { animation-delay: 0.6s; }
}

/* Scroll animations - will be activated by JS */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}