/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    /* Primary Colors */
    --primary-color: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #3385FF;
    
    /* Secondary Colors */
    --secondary-color: #00C896;
    --accent-color: #FF6B35;
    
    /* Neutral Colors */
    --dark: #0A1929;
    --dark-secondary: #1A2332;
    --gray-900: #0F1419;
    --gray-800: #1C2430;
    --gray-700: #2D3748;
    --gray-600: #4A5568;
    --gray-500: #718096;
    --gray-400: #A0AEC0;
    --gray-300: #CBD5E0;
    --gray-200: #E2E8F0;
    --gray-100: #F7FAFC;
    --white: #FFFFFF;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00C896 100%);
    --gradient-secondary: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    --gradient-accent: linear-gradient(135deg, #F093FB 0%, #F5576C 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 100px 0;
    --section-padding-mobile: 60px 0;
    
    /* Border Radius */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: var(--section-padding);
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    gap: 2px;
}

.logo-text {
    font-size: 28px;
    font-weight: var(--font-weight-extrabold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.logo-tagline {
    font-size: 11px;
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-link {
    padding: 10px 20px;
    text-decoration: none;
    color: var(--gray-700);
    font-weight: var(--font-weight-medium);
    font-size: 15px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-base);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--gray-100);
}

.nav-link.nav-cta {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 10px 24px;
    margin-left: 12px;
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 28px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 200, 150, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 56px;
    font-weight: var(--font-weight-extrabold);
    line-height: 1.15;
    color: var(--dark);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

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

.hero-subtitle {
    font-size: 20px;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.btn {
    padding: 16px 32px;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 40px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
}

.hero-visual {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.hero-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    animation: fadeInUp 0.8s ease-out;
}

.hero-card:nth-child(1) {
    animation-delay: 0.2s;
}

.hero-card:nth-child(2) {
    animation-delay: 0.4s;
}

.hero-card:nth-child(3) {
    animation-delay: 0.6s;
}

.hero-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.hero-card h3 {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: var(--dark);
    margin-bottom: 8px;
}

.hero-card p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===========================
   Section Headers
   =========================== */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    padding: 8px 16px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: 20px;
}

.section-title {
    font-size: 44px;
    font-weight: var(--font-weight-bold);
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    line-height: 1.7;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

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

.service-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.service-card.featured {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 200, 150, 0.05) 100%);
    border: 2px solid var(--primary-color);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 200, 150, 0.1) 100%);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
}

.service-title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--dark);
    margin-bottom: 16px;
}

.service-description {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 24px;
}

.service-features {
    list-style: none;
}

.service-features li {
    font-size: 15px;
    color: var(--gray-700);
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-200);
    position: relative;
    padding-left: 24px;
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: var(--font-weight-bold);
}

/* ===========================
   Industries Section
   =========================== */
.industries {
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.industry-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    text-align: center;
}

.industry-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.industry-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.industry-card h3 {
    font-size: 22px;
    font-weight: var(--font-weight-bold);
    color: var(--dark);
    margin-bottom: 16px;
}

.industry-card p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===========================
   Case Studies Section
   =========================== */
.case-studies {
    background: var(--white);
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 32px;
}

.case-study-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    transition: var(--transition-base);
    position: relative;
}

.case-study-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.case-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

.case-study-card h3 {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.3;
}

.case-description {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 32px;
}

.case-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding-top: 32px;
    border-top: 2px solid var(--gray-200);
}

.metric {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.metric-value {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

.metric-label {
    font-size: 13px;
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
}

/* ===========================
   About Section
   =========================== */
.about {
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-content .section-tag {
    margin-bottom: 16px;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-text {
    font-size: 17px;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 20px;
}

.about-values {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.value-item {
    display: flex;
    gap: 20px;
    align-items: start;
}

.value-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
}

.value-item h4 {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--dark);
    margin-bottom: 8px;
}

.value-item p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.6;
}

.stat-box {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
}

.stat-box h3 {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: var(--dark);
    margin-bottom: 20px;
}

.location {
    display: flex;
    gap: 16px;
    align-items: start;
}

.location svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.location strong {
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    color: var(--dark);
    display: block;
    margin-bottom: 4px;
}

.location p {
    font-size: 15px;
    color: var(--gray-600);
}

.cert-list {
    list-style: none;
}

.cert-list li {
    font-size: 15px;
    color: var(--gray-700);
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
    position: relative;
    padding-left: 24px;
}

.cert-list li:last-child {
    border-bottom: none;
}

.cert-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: var(--font-weight-bold);
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
}

.contact-info .section-tag {
    margin-bottom: 16px;
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.contact-description {
    font-size: 17px;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 200, 150, 0.1) 100%);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.contact-item h4 {
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.contact-item a {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition-base);
}

.contact-item a:hover {
    color: var(--primary-color);
}

.contact-item p {
    font-size: 16px;
    color: var(--gray-700);
}

.business-hours {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 200, 150, 0.05) 100%);
    padding: 24px;
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--primary-color);
}

.business-hours h4 {
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    color: var(--dark);
    margin-bottom: 12px;
}

.business-hours p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.8;
}

.contact-form-wrapper {
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
    padding: 48px;
    border-radius: var(--border-radius-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    font-family: var(--font-family);
    transition: var(--transition-base);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

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

.checkbox-group {
    flex-direction: row;
    align-items: start;
    gap: 12px;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    margin-top: 2px;
}

.checkbox-group label {
    font-size: 14px;
    color: var(--gray-600);
    cursor: pointer;
}

.btn-submit {
    position: relative;
    overflow: hidden;
}

.btn-submit.loading .btn-text {
    opacity: 0;
}

.btn-submit.loading .btn-loader {
    opacity: 1;
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    opacity: 0;
    animation: spin 0.8s linear infinite;
}

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

.form-message {
    padding: 16px;
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    display: none;
}

.form-message.success {
    background: rgba(0, 200, 150, 0.1);
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    display: block;
}

.form-message.error {
    background: rgba(255, 107, 53, 0.1);
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    display: block;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--dark);
    color: var(--gray-400);
    padding: 80px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 20px;
}

.footer-logo .logo-text {
    font-size: 32px;
}

.footer-logo .logo-tagline {
    color: var(--gray-500);
}

.footer-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-400);
    margin-bottom: 20px;
    max-width: 400px;
}

.footer-funding {
    font-size: 14px;
    line-height: 1.7;
    color: var(--gray-500);
}

.footer-col h4 {
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    color: var(--white);
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 15px;
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-col ul li a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--gray-700);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--gray-500);
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    font-size: 14px;
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-base);
}

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

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

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    section {
        padding: var(--section-padding-mobile);
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link.nav-cta {
        margin-left: 0;
        width: 100%;
        text-align: center;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .services-grid,
    .industries-grid,
    .case-studies-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .case-metrics {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .contact-form-wrapper {
        padding: 32px 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .hero-subtitle,
    .section-subtitle {
        font-size: 16px;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 15px;
    }
}