/* ===== MODERN CSS RESET ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    /* Colors */
    --primary-900: #1e293b;
    --primary-800: #334155;
    --primary-700: #475569;
    --primary-600: #64748b;
    --primary-500: #94a3b8;
    --primary-400: #cbd5e1;
    --primary-300: #e2e8f0;
    --primary-200: #f1f5f9;
    --primary-100: #f8fafc;
    
    --accent-600: #3b82f6;
    --accent-500: #6366f1;
    --accent-400: #8b5cf6;
    
    --success-500: #10b981;
    --warning-500: #f59e0b;
    --error-500: #ef4444;
    
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-900: #111827;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-600), var(--accent-500));
    --gradient-secondary: linear-gradient(135deg, var(--accent-500), var(--accent-400));
    --gradient-hero: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-800) 50%, var(--accent-600) 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    
    /* 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Borders */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ===== BASE STYLES ===== */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--primary-800);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-4);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-4);
    color: var(--primary-600);
}

/* ===== NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--primary-200);
    transition: var(--transition-normal);
}

.navbar {
    padding: var(--spacing-4) 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: var(--spacing-3);
}

.logo {
    height: 45px;
    width: auto;
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary-900);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-8);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--primary-700);
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-600);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.contact-btn {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--border-radius-lg);
    font-weight: 600;
}

.contact-btn::after {
    display: none;
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--border-radius-md);
}

.hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-900);
    position: relative;
    transition: var(--transition-normal);
    border-radius: 2px;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 3px;
    background-color: var(--primary-900);
    left: 0;
    transition: var(--transition-normal);
    border-radius: 2px;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.3) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.hero-text {
    color: var(--white);
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    margin-bottom: var(--spacing-6);
    line-height: 1.1;
}

.highlight {
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-8);
    color: var(--primary-300);
    line-height: 1.6;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
    padding: var(--spacing-6);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-xl);
    backdrop-filter: blur(10px);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-1);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--primary-300);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

/* Floating Cards Animation */
.hero-visual {
    position: relative;
    height: 500px;
}

.floating-cards {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-3);
    color: var(--white);
    box-shadow: var(--shadow-xl);
    animation: floatCards 6s ease-in-out infinite;
}

.floating-card i {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-2);
}

.floating-card span {
    font-weight: 600;
    text-align: center;
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 20%;
    right: 10%;
    animation-delay: 1.5s;
}

.card-3 {
    bottom: 30%;
    left: 20%;
    animation-delay: 3s;
}

.card-4 {
    bottom: 10%;
    right: 20%;
    animation-delay: 4.5s;
}

@keyframes floatCards {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(1deg); }
    66% { transform: translateY(-10px) rotate(-1deg); }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-6);
    text-decoration: none;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    text-align: center;
    justify-content: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

.btn-full {
    width: 100%;
}

/* ===== SECTION STYLES ===== */
section {
    padding: var(--spacing-24) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-title {
    color: var(--primary-900);
    margin-bottom: var(--spacing-4);
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--primary-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== SERVICES SECTION ===== */
.services {
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    border: 1px solid var(--primary-200);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
}

.service-icon i {
    font-size: var(--font-size-3xl);
    color: var(--white);
}

.service-card h3 {
    color: var(--primary-900);
    margin-bottom: var(--spacing-4);
}

.service-card p {
    margin-bottom: var(--spacing-6);
}

.service-features {
    list-style: none;
    margin-bottom: var(--spacing-6);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
    color: var(--primary-700);
}

.service-features i {
    color: var(--success-500);
    font-size: var(--font-size-sm);
}

.service-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.tech-tag {
    background: var(--gradient-secondary);
    color: var(--white);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* ===== TECH STACK SECTION ===== */
.tech-stack {
    background: var(--primary-900);
    color: var(--white);
}

.tech-stack .section-title,
.tech-stack .section-subtitle {
    color: var(--white);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-8);
}

.tech-category {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-2xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.tech-category h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
    color: var(--white);
}

.tech-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-4);
}

.tech-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-fast);
}

.tech-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.tech-item i {
    font-size: var(--font-size-xl);
    color: var(--accent-400);
}

.tech-item span {
    font-weight: 500;
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
    background: var(--gray-50);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

.portfolio-item {
    background: var(--white);
    border-radius: var(--border-radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.portfolio-image {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-image i {
    font-size: 4rem;
    color: var(--white);
}

.portfolio-content {
    padding: var(--spacing-8);
}

.portfolio-content h3 {
    color: var(--primary-900);
    margin-bottom: var(--spacing-4);
}

.portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin: var(--spacing-4) 0;
}

.portfolio-tech span {
    background: var(--primary-200);
    color: var(--primary-800);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.portfolio-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
    margin-top: var(--spacing-6);
}

.result {
    text-align: center;
    padding: var(--spacing-4);
    background: var(--gray-50);
    border-radius: var(--border-radius-lg);
}

.result-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--accent-600);
    margin-bottom: var(--spacing-1);
}

.result-label {
    font-size: var(--font-size-sm);
    color: var(--primary-600);
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: start;
}

.about-features {
    display: grid;
    gap: var(--spacing-6);
}

.feature {
    display: flex;
    gap: var(--spacing-4);
    align-items: start;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: var(--font-size-xl);
    color: var(--white);
}

.feature-content h3 {
    color: var(--primary-900);
    margin-bottom: var(--spacing-2);
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
}

.about-card {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-xl);
}

.about-card p {
    color: var(--white);
}

.card-header h3 {
    color: var(--white);
    margin-bottom: var(--spacing-4);
}

.about-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
}

.metric {
    text-align: center;
    padding: var(--spacing-6);
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
}

.metric-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--accent-600);
    margin-bottom: var(--spacing-1);
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--primary-600);
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--gray-50);
}

.contact-content {
    display: block;
    max-width: 800px;
    margin: 0 auto;
}

.contact-methods {
    display: grid;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-method {
    display: flex;
    gap: var(--spacing-4);
    align-items: start;
}

.method-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.method-icon i {
    font-size: var(--font-size-xl);
    color: var(--white);
}

.method-content h3 {
    color: var(--primary-900);
    margin-bottom: var(--spacing-2);
}

.method-content a {
    color: var(--accent-600);
    text-decoration: none;
    font-weight: 600;
}

.method-content a:hover {
    text-decoration: underline;
}

.contact-cta {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-cta h3 {
    color: var(--primary-900);
    margin-bottom: var(--spacing-6);
}

.process-steps {
    display: grid;
    gap: var(--spacing-4);
    text-align: left;
}

.step {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-text {
    color: var(--primary-700);
}

/* Contact Form */
.contact-form-container {
    background: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-xl);
}

.contact-form-container h3 {
    color: var(--primary-900);
    margin-bottom: var(--spacing-6);
    text-align: center;
}

.form-group {
    margin-bottom: var(--spacing-6);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 600;
    color: var(--primary-800);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-4);
    border: 2px solid var(--primary-200);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    font-family: var(--font-family);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-600);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-900);
    color: var(--primary-300);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-16);
    margin-bottom: var(--spacing-12);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.footer-logo {
    height: 60px;
    width: auto;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-4);
}

.footer-section ul {
    list-style: none;
    display: grid;
    gap: var(--spacing-2);
}

.footer-section a {
    color: var(--primary-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--primary-700);
}

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

[data-aos="fade-up"] {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-8);
        transform: translateX(100%);
        transition: var(--transition-normal);
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .floating-cards {
        display: none;
    }
    
    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-categories {
        grid-template-columns: 1fr;
    }
    
    .tech-items {
        grid-template-columns: 1fr;
    }
    
    .about-metrics {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    section {
        padding: var(--spacing-16) 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-4);
    }
    
    .nav-container {
        padding: 0 var(--spacing-4);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .service-card,
    .contact-form-container {
        padding: var(--spacing-6);
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-8 { margin-bottom: var(--spacing-8); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }