:root {
    --color-primary: #1a365d;
    --color-primary-light: #2c5282;
    --color-primary-dark: #0f2442;
    --color-accent: #3182ce;
    --color-accent-light: #63b3ed;
    --color-secondary: #ed8936;
    --color-text: #2d3748;
    --color-text-light: #4a5568;
    --color-text-muted: #718096;
    --color-bg: #ffffff;
    --color-bg-alt: #f7fafc;
    --color-bg-dark: #edf2f7;
    --color-border: #e2e8f0;
    --color-success: #38a169;
    --color-error: #e53e3e;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover, a:focus {
    color: var(--color-primary);
}

a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select, textarea, button {
    font-family: inherit;
    font-size: inherit;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base);
}

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

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

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

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

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

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

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-links a:hover::after,
.nav-links a:focus::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    width: 32px;
    height: 32px;
    position: relative;
}

.hamburger, .hamburger::before, .hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    position: absolute;
    left: 4px;
    transition: transform var(--transition-base);
}

.hamburger {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger::before, .hamburger::after {
    content: '';
}

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

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

.mobile-menu-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
    transform: translateY(-8px) rotate(-45deg);
}

.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero-content {
    max-width: 720px;
    margin-bottom: 48px;
}

.hero h1 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--color-text-light);
    margin-bottom: 32px;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-decoration: none;
    border: 2px solid transparent;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

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

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--color-primary-dark);
    color: var(--color-bg);
}

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

.btn-secondary:hover, .btn-secondary:focus {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-outline:hover, .btn-outline:focus {
    background-color: var(--color-bg-alt);
    border-color: var(--color-text-muted);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

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

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.value-prop {
    padding: 80px 0;
    background-color: var(--color-primary);
    color: var(--color-bg);
}

.value-prop h2 {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
}

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

.value-card {
    padding: 32px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform var(--transition-base), background-color var(--transition-base);
}

.value-card:hover {
    transform: translateY(-4px);
    background-color: rgba(255, 255, 255, 0.08);
}

.value-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    background-color: var(--color-secondary);
    border-radius: var(--radius-md);
}

.value-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.value-card p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.services {
    padding: 80px 0;
}

.services h2 {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-intro {
    text-align: center;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 48px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    padding: 32px;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.service-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-accent);
}

.service-card ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--color-text-light);
}

.service-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.clients {
    padding: 80px 0;
    background-color: var(--color-bg-alt);
}

.clients h2 {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 24px;
    align-items: center;
}

.client-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base);
}

.client-logo:hover {
    box-shadow: var(--shadow-md);
}

.client-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-light);
    text-align: center;
}

.contact {
    padding: 80px 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    align-items: start;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.contact-details {
    font-style: normal;
}

.contact-item {
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.contact-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

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

.contact-form {
    padding: 32px;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.required {
    color: var(--color-error);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--color-text);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.15);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234a5568' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-hint {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

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

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: var(--color-accent);
}

.checkbox-group label {
    font-size: 14px;
    color: var(--color-text-light);
    cursor: pointer;
    margin-bottom: 0;
}

.checkbox-group label a {
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    margin-top: 8px;
}

.form-success {
    margin-top: 20px;
    padding: 16px;
    background-color: #c6f6d5;
    color: #22543d;
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 500;
}

.footer {
    padding: 40px 0;
    background-color: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 32px;
    align-items: center;
}

.footer-brand .logo-text {
    color: var(--color-bg);
    font-size: 20px;
}

.footer-brand p {
    font-size: 12px;
    margin-top: 4px;
}

.footer-links nav {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

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

.footer-legal {
    text-align: right;
}

.footer-legal p {
    font-size: 12px;
    margin-bottom: 8px;
}

.footer-legal nav {
    display: flex;
    gap: 16px;
    justify-content: flex-end;
}

.footer-legal a {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal a:hover {
    color: var(--color-bg);
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background-color: var(--color-primary-dark);
    color: var(--color-bg);
    padding: 20px;
    transform: translateY(100%);
    transition: transform var(--transition-slow);
}

.cookie-banner:not([hidden]) {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-text h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.cookie-text p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.cookie-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.cookie-actions .btn {
    padding: 10px 20px;
    font-size: 14px;
}

.cookie-actions .btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-primary-dark);
}

.cookie-actions .btn-primary:hover {
    background-color: #dd6b20;
}

.cookie-actions .btn-secondary {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--color-bg);
}

.cookie-actions .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.cookie-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.cookie-modal:not([hidden]) {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 0;
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    font-size: 24px;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--color-bg-alt);
}

.modal-body {
    padding: 24px;
}

.cookie-category {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.cookie-category:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.category-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
}

.badge {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    background-color: var(--color-accent-light);
    color: var(--color-primary);
    border-radius: 100px;
}

.cookie-category p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.toggle {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: var(--color-border);
    border-radius: 26px;
    transition: background-color var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: var(--color-bg);
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.toggle input:checked + .toggle-slider {
    background-color: var(--color-accent);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

.toggle input:focus-visible + .toggle-slider {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.modal-footer {
    padding: 0 24px 24px;
}

.modal-footer .btn {
    width: 100%;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-bg);
        padding: 20px;
        border-top: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }

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

    .nav-links a {
        padding: 12px 0;
        font-size: 16px;
    }

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

    .hero {
        padding: 120px 0 60px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .stat-number {
        font-size: 28px;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 24px;
    }

    .footer-links nav {
        justify-content: center;
    }

    .footer-legal {
        text-align: center;
    }

    .footer-legal nav {
        justify-content: center;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-actions {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .value-prop, .services, .clients, .contact {
        padding: 60px 0;
    }

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

@media (min-width: 769px) {
    .nav-links {
        display: flex !important;
    }
}

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

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