/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: hsl(210, 100%, 55%);
    --primary-dark: hsl(210, 100%, 45%);
    --background: hsl(0, 0%, 100%);
    --foreground: hsl(220, 15%, 15%);
    --muted: hsl(220, 12%, 92%);
    --muted-foreground: hsl(220, 10%, 45%);
    --card: hsl(220, 15%, 97%);
    --card-border: hsl(220, 13%, 93%);
    --border: hsl(220, 13%, 91%);
    --accent: hsl(165, 80%, 45%);
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--foreground);
    background: var(--background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Focus States for Accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 10000;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo a {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--foreground);
    text-decoration: none;
    transition: opacity 0.2s;
}

.logo a:hover {
    opacity: 0.7;
}

.nav-desktop {
    display: none;
    gap: 2rem;
}

.nav-desktop a {
    color: var(--muted-foreground);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.nav-desktop a:hover {
    color: var(--foreground);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-switcher {
    position: relative;
    z-index: 1000;
}

.lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--foreground);
    display: flex;
    align-items: center;
    border-radius: 0.375rem;
    transition: background 0.2s;
}

.lang-btn:hover {
    background: var(--muted);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    min-width: 150px;
    display: none;
    flex-direction: column;
    z-index: 1001;
}

.language-switcher.active .lang-dropdown {
    display: flex;
}

.lang-dropdown a {
    background: none;
    border: none;
    padding: 0.75rem 1rem;
    text-align: left;
    cursor: pointer;
    font-size: 0.875rem;
    transition: background 0.2s;
    text-decoration: none;
    color: var(--foreground);
}

.lang-dropdown a:hover {
    background: var(--muted);
}

.lang-dropdown a:first-child {
    border-radius: 0.5rem 0.5rem 0 0;
}

.lang-dropdown a:last-child {
    border-radius: 0 0 0.5rem 0.5rem;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 20px;
    height: 2px;
    background: var(--foreground);
    transition: all 0.3s;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-mobile {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border);
}

.nav-mobile.active {
    display: flex;
}

.nav-mobile a {
    color: var(--muted-foreground);
    text-decoration: none;
    padding: 0.5rem 0;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.nav-mobile a:hover {
    color: var(--foreground);
}

/* Hero */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, hsl(220, 15%, 20%) 0%, hsl(210, 100%, 25%) 100%);
    color: white;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(33, 150, 243, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(33, 150, 243, 0.1) 0%, transparent 50%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom right, rgba(0,0,0,0.4), rgba(0,0,0,0.6));
}

.hero-content {
    position: relative;
    z-index: 10;
    padding: 5rem 1.5rem;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.2s;
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.btn-full {
    width: 100%;
}

/* Stats */
.stats {
    padding: 4rem 0;
    background: var(--muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    background: var(--card);
    padding: 3rem 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--card-border);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

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

/* Portfolio */
.portfolio {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 42rem;
    margin: 0 auto;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.portfolio-card {
    background: var(--card);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--card-border);
    transition: all 0.2s;
}

.portfolio-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.card-icon {
    padding: 0.75rem;
    background: rgba(33, 150, 243, 0.1);
    border-radius: 0.5rem;
    color: var(--primary);
}

.badge {
    padding: 0.25rem 0.75rem;
    background: var(--muted);
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.portfolio-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.portfolio-card p {
    color: var(--muted-foreground);
    margin-bottom: 1rem;
}

.card-formats {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

.regional-network {
    background: var(--card);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 2px solid var(--card-border);
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.regional-icon {
    padding: 1rem;
    background: rgba(165, 243, 252, 0.2);
    border-radius: 0.5rem;
    color: var(--accent);
    flex-shrink: 0;
}

.regional-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.regional-content p {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Benefits */
.benefits {
    padding: 5rem 0;
    background: var(--muted);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.benefit-card {
    background: var(--background);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    text-align: center;
}

.benefit-icon {
    display: inline-flex;
    padding: 1rem;
    background: rgba(33, 150, 243, 0.1);
    border-radius: 50%;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Contact */
.contact {
    padding: 5rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.contact-form-card {
    background: var(--card);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--card-border);
}

.contact-form-card .card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-form-card h3 {
    font-size: 1.5rem;
}

.contact-form-card > p {
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
}

.required {
    color: hsl(0, 84%, 42%);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-color: var(--primary);
}

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

/* Honeypot field - hidden from users */
.honeypot {
    display: none !important;
    visibility: hidden !important;
    position: absolute !important;
    left: -9999px !important;
    opacity: 0 !important;
    height: 0 !important;
    width: 0 !important;
}

/* Footer */
.footer {
    background: var(--muted);
    padding: 3rem 0 1.5rem;
    border-top: 1px solid var(--border);
}

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

.footer-col h3,
.footer-col h4 {
    margin-bottom: 1rem;
}

.footer-col p {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

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

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: var(--muted-foreground);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
}

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

.footer-links {
    display: flex;
    gap: 1.5rem;
}

/* Success Message */
.success-message {
    position: fixed;
    top: 5rem;
    right: 1rem;
    background: hsl(145, 65%, 50%);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 2000;
    animation: slideIn 0.3s ease;
}

.error-message {
    position: fixed;
    top: 5rem;
    right: 1rem;
    background: hsl(0, 65%, 50%);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 2000;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
    }

    .mobile-menu-btn {
        display: none;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .stat-value {
        font-size: 3rem;
    }

    .stat-label {
        font-size: 1rem;
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

@media (min-width: 1024px) {
    .hero h1 {
        font-size: 4rem;
    }

    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}