/* CSS Reset & Variables */
:root {
    --primary-color: #0056b3;
    --primary-hover: #004494;
    --accent-bg: #e1effe;
    --text-color: #2d3748;
    --text-light: #718096;
    --bg-white: #ffffff;
    --bg-light: #f7fafc;
    --error-color: #e53e3e;
    --success-color: #38a169;
    --border-color: #e2e8f0;
    --radius: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --container-width: 1100px;
    --header-height: 70px;
    --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-white);
}

/* Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    z-index: 2000;
    transition: top 0.3s;
    text-decoration: none;
}

.skip-link:focus {
    top: 0;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *, ::before, ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus states */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Layout */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--text-light);
}

/* Header */
.header {
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.header.sticky {
    position: sticky;
    top: 0;
}

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

.logo a {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.accent {
    color: var(--primary-color);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-list a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-list a:hover {
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-switcher button {
    background: none;
    border: 1px solid var(--border-color);
    padding: 5px 10px;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: bold;
    font-size: 0.875rem;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    position: relative;
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    left: 0;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    font-size: 1rem;
}

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

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

.btn-secondary {
    background-color: var(--accent-bg);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: #d1e5fd;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-link {
    background: none;
    color: var(--primary-color);
    text-decoration: underline;
}

/* Hero */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 50px;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-image-placeholder svg {
    width: 100%;
    max-width: 400px;
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.1));
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    border-top: 4px solid var(--primary-color);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-label {
    color: var(--text-light);
    font-weight: 500;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

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

.service-card p {
    color: var(--text-light);
}

/* Process */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    position: relative;
}

.step {
    text-align: center;
    z-index: 1;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

.step h3 {
    margin-bottom: 0.5rem;
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 15px;
    border-radius: var(--radius);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    overflow: hidden;
}

.faq-item summary {
    padding: 20px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 50px;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--primary-color);
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-content {
    padding: 0 20px 20px;
    color: var(--text-light);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
}

.contact-details {
    list-style: none;
    margin-top: 20px;
}

.contact-details li {
    margin-bottom: 10px;
}

.contact-form {
    background: var(--bg-light);
    padding: 30px;
    border-radius: var(--radius);
}

.contact-form input:not([type="checkbox"]),
.contact-form select {
  height: 44px;
  display: block;
}

.contact-form input[type="checkbox"] {
  width: auto;
  height: auto;
}
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
}

#field {
  font-size: 1rem;
  font-weight: 400;
}

#field::placeholder {
  font-size: 1rem;
  font-weight: 500;
  color: #94a3b8;
  opacity: 1;
}

.checkbox-group input[type="checkbox"] {
  width: 16px !important;
  height: 16px !important;
  padding: 0;
  border-radius: 4px;
  flex: 0 0 auto;
  margin-top: 3px;
}

.form-row > .form-group {
  min-width: 0;
}

.form-row input[type="text"],
.form-row select {
  width: 100%;
  display: block;
  height: 44px;
}

.form-row select {
  padding-right: 40px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.checkbox-group input {
    margin-top: 5px;
}

.checkbox-group label {
  margin: 0;
  font-weight: 400;
  font-size: 0.9rem;
  line-height: 1.4;
}

.error-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 5px;
    display: block;
}

.form-status {
    margin-top: 20px;
    padding: 15px;
    border-radius: var(--radius);
    display: none;
    border: 1px solid transparent;
}

.form-status:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.form-status.success {
    background: #def7ec;
    color: #03543f;
    border-color: #38a169;
}

.form-status.error {
    background: #fde8e8;
    color: #9b1c1c;
    border-color: #e53e3e;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo .logo-text {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

.footer-nav a {
    color: #a0aec0;
    text-decoration: none;
}

.footer-nav a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #2d3748;
    color: #718096;
    font-size: 0.875rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: white;
    padding: 20px;
    box-shadow: 0 -10px 25px rgba(0,0,0,0.1);
    z-index: 1500;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.cookie-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
}

.modal-content {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    max-width: 500px;
    width: 90%;
    position: relative;
    z-index: 1;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
}

.cookie-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.cookie-option:last-child {
    border-bottom: none;
}

.option-info h3 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.option-info p {
    font-size: 0.875rem;
    color: var(--text-light);
}

.modal-actions {
    margin-top: 30px;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .header-container {
        position: relative;
    }

    .mobile-nav-toggle {
        display: block;
    }

    .nav {
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: white;
        padding: 20px;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        display: none;
    }

    .nav.active {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        gap: 15px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-image-placeholder {
        order: -1;
    }

    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }

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