/* Reset and base styles */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Black, White & Orange Color Palette */
    --primary-color: #000000;
    --secondary-color: #1a1a1a;
    --accent-color: #f47721;
    --accent-light: #ff8c42;
    --text-dark: #000000;
    --text-medium: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --background-primary: #ffffff;
    --background-secondary: #f8f8f8;
    --background-tertiary: #f0f0f0;
    --border-light: #e0e0e0;
    --border-medium: #cccccc;
    --success-color: #f47721;
    --success-light: #ff8c42;
    
    /* Modern Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    
    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-out;
    --transition-normal: 300ms ease-out;
    --transition-slow: 500ms ease-out;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--background-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    width: 100%;
}

.container--narrow {
    max-width: 768px;
}

.container--wide {
    max-width: 1440px;
}

/* Header styles */
header {
    background: #ffffff;
    border-bottom: 1px solid var(--border-light);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

header .container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-lg) var(--space-lg);
    min-height: 80px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.logo-link:hover {
    transform: translateY(-1px);
}

.logo-image {
    height: 2.1rem;
    width: auto;
    flex-shrink: 0;
    object-fit: contain;
    max-height: 2.1rem;
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.025em;
    line-height: 1;
    margin: 0;
}

.nav-menu {
    justify-self: center;
}

.nav-menu ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    margin: 0;
}

.nav-menu a {
    color: var(--text-medium);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    background-color: var(--background-tertiary);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--accent-color);
    border-radius: 50%;
}

.mobile-menu-toggle {
    display: none;
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    color: var(--text-medium);
}

.mobile-menu-toggle:hover {
    background-color: var(--background-tertiary);
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--background-primary);
    padding: 120px 0 var(--space-4xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(244, 119, 33, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(244, 119, 33, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-4xl);
    min-height: 80vh;
    justify-content: center;
}

.hero-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    width: 100%;
}

.hero-text h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--space-xl);
    line-height: 1.1;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #f47721 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: var(--space-2xl);
    opacity: 0.9;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-2xl);
    border-radius: var(--radius-xl);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    min-height: 56px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--background-primary);
    box-shadow: var(--shadow-lg);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

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

.btn-secondary {
    background: transparent;
    color: var(--background-primary);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    order: -1;
    width: 100%;
}

.hero-placeholder {
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-2xl);
    padding: var(--space-4xl) var(--space-2xl);
    text-align: center;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-normal);
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
}

.hero-placeholder:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.hero-placeholder i {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    opacity: 0.9;
    color: var(--accent-color);
}

.hero-placeholder p {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    opacity: 0.95;
}

.hero-placeholder small {
    display: block;
    font-size: 0.875rem;
    opacity: 0.7;
    font-weight: 500;
}

/* Section Styles */
section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-medium);
    line-height: 1.7;
    margin: 0 auto;
}

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

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-medium), transparent);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.about-text h3 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    margin-bottom: var(--space-xl);
    color: var(--text-dark);
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.about-text p {
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
    color: var(--text-medium);
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    margin-top: var(--space-2xl);
    display: grid;
    gap: var(--space-md);
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--background-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.feature-list li:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.feature-list i {
    color: var(--success-color);
    font-size: 1.25rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.feature-list span {
    font-weight: 500;
    color: var(--text-dark);
}

.about-stats {
    display: grid;
    gap: var(--space-lg);
}

.stat {
    background: var(--background-primary);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
}

.stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.stat h4 {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.stat p {
    color: var(--text-medium);
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-4xl);
}

.feature-card {
    background: var(--background-primary);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg);
}

.feature-icon i {
    font-size: 2rem;
    color: var(--background-primary);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-lg);
    color: var(--text-dark);
    letter-spacing: -0.01em;
}

.feature-card p {
    color: var(--text-medium);
    line-height: 1.7;
    font-size: 1rem;
}

/* Contact Section */
.contact {
    background: var(--background-secondary);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-medium), transparent);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contact-info h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-xl);
    color: var(--text-dark);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.contact-info p {
    font-size: 1.125rem;
    margin-bottom: var(--space-2xl);
    color: var(--text-medium);
    line-height: 1.7;
}

.benefits {
    background: var(--background-primary);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.benefits h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-xl);
    color: var(--text-dark);
    letter-spacing: -0.01em;
}

.benefits ul {
    list-style: none;
    display: grid;
    gap: var(--space-md);
}

.benefits li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--background-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.benefits li:hover {
    border-color: var(--accent-color);
    background: var(--background-primary);
}

.benefits i {
    color: var(--accent-color);
    font-size: 1.125rem;
    flex-shrink: 0;
}

.benefits span {
    font-weight: 500;
    color: var(--text-dark);
}

/* Contact Details */
.contact-details {
    margin-top: var(--space-2xl);
    background: var(--background-primary);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.contact-details h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--text-dark);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.contact-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.contact-item a {
    color: var(--text-medium);
    text-decoration: none;
    font-size: 1rem;
    transition: color var(--transition-fast);
}

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

/* Office Location (nested within contact-details) */
.contact-details .office-location {
    margin-top: var(--space-xl);
}

.contact-details .office-location h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-dark);
}

.office-address {
    margin-bottom: var(--space-lg);
}

.office-address p {
    margin: 0;
    color: var(--text-medium);
    line-height: 1.6;
    font-size: 0.95rem;
}

.office-address strong {
    color: var(--text-dark);
    font-weight: 600;
}

.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.map-container iframe {
    border-radius: var(--radius-lg);
}

/* Form Styles */
.contact-form {
    background: var(--background-primary);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-xl);
    position: sticky;
    top: 100px;
}

.email-form {
    display: grid;
    gap: var(--space-xl);
}

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

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
    letter-spacing: 0.025em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-lg);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--background-primary);
    font-family: inherit;
    color: var(--text-dark);
}

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

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

.btn-full {
    width: 100%;
    justify-content: center;
    margin-top: var(--space-md);
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    color: var(--background-primary);
    border: none;
    box-shadow: var(--shadow-md);
}

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

.form-success {
    text-align: center;
    padding: var(--space-3xl) var(--space-2xl);
    background: var(--background-primary);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--success-color);
    box-shadow: var(--shadow-lg);
}

.form-success i {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: var(--space-lg);
}

.form-success h3 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--space-lg);
    color: var(--text-dark);
    letter-spacing: -0.01em;
}

.form-success p {
    color: var(--text-medium);
    line-height: 1.7;
    font-size: 1.125rem;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--background-primary);
    padding: var(--space-4xl) 0 var(--space-xl);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--space-lg);
    color: var(--background-primary);
    font-weight: 800;
    letter-spacing: -0.01em;
}

.footer-section h3 {
    font-size: 1.5rem;
}

.footer-section h4 {
    font-size: 1.125rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

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

.footer-section a:not(.static-social-link) {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all var(--transition-fast);
    padding: var(--space-xs) 0;
    border-radius: var(--radius-sm);
}

.footer-section a:not(.static-social-link):hover {
    color: var(--background-primary);
    padding-left: var(--space-sm);
}

.social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

/* Completely static social media icons */
.static-social-link {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-decoration: none;
    color: inherit;
}

.static-social-link:hover,
.static-social-link:focus,
.static-social-link:active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    text-decoration: none;
    color: inherit;
}

.static-social-link i {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.static-social-link:hover i,
.static-social-link:focus i,
.static-social-link:active i {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-content .container {
        gap: var(--space-3xl);
    }
    
    .about-content,
    .contact-content {
        gap: var(--space-3xl);
    }
}

@media (max-width: 1024px) {
    .hero-content .container {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2xl);
    }
    
    .hero-text {
        max-width: 700px;
        margin: 0 auto;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--space-xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }
    
    header .container {
        grid-template-columns: auto 1fr auto;
        gap: var(--space-lg);
        padding: var(--space-md) var(--space-lg);
        min-height: 70px;
    }
    
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        border: 1px solid var(--border-light);
        border-top: none;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: 999;
        border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu ul {
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-sm);
    }
    
    .nav-menu a {
        display: block;
        padding: var(--space-md);
        border-radius: var(--radius-md);
        border: 1px solid transparent;
    }
    
    .nav-menu a:hover {
        background: var(--background-tertiary);
        border-color: var(--border-light);
    }
    
    .hero {
        padding: 90px 0 var(--space-3xl);
        min-height: 90vh;
    }
    
    .hero-content .container {
        min-height: 70vh;
        flex-direction: column;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: stretch;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .contact-form {
        position: static;
        margin-top: var(--space-xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    header .container {
        padding: var(--space-sm) var(--space-md);
        min-height: 60px;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .logo-image {
        height: 1.8rem;
        width: auto;
        max-height: 1.8rem;
    }
    
    .hero {
        padding: 80px 0 var(--space-2xl);
    }
    
    .hero-text h2 {
        font-size: clamp(2rem, 8vw, 2.5rem);
        margin-bottom: var(--space-lg);
    }
    
    .hero-text p {
        font-size: 1rem;
        margin-bottom: var(--space-xl);
    }
    
    .section-header h2 {
        font-size: clamp(1.75rem, 6vw, 2.25rem);
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    .feature-card,
    .benefits,
    .contact-form {
        padding: var(--space-xl);
    }
    
    .stat {
        padding: var(--space-xl);
    }
    
    .stat h4 {
        font-size: 2rem;
    }
    
    section {
        padding: var(--space-3xl) 0;
    }
    
    .btn {
        padding: var(--space-md) var(--space-xl);
        font-size: 0.95rem;
    }
    
    .btn-full {
        padding: var(--space-md) var(--space-xl);
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .hero-buttons {
        gap: var(--space-md);
    }
    
    .feature-list li {
        padding: var(--space-sm);
    }
    
    .benefits li {
        padding: var(--space-sm);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--space-md);
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero::before {
        background: radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .btn::before {
        display: none;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --background-primary: #000000;
        --background-secondary: #1a1a1a;
        --background-tertiary: #333333;
        --text-dark: #ffffff;
        --text-medium: #e0e0e0;
        --text-light: #cccccc;
        --text-muted: #999999;
        --border-light: #333333;
        --border-medium: #555555;
    }
}