@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --color-navy: #0B3C5D;
    --color-anthrazit: #0F172A;
    --color-emerald: #16A34A;
    --color-gold: #D4AF37;
    --color-offwhite: #F7F8FA;
    --color-white: #FFFFFF;
    --color-gray: #64748B;
    --color-light-gray: #E2E8F0;
    --container-width: 1200px;
}

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

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--color-offwhite);
    color: var(--color-anthrazit);
    line-height: 1.6;
}

a {
    color: var(--color-navy);
    text-decoration: none;
}

a:hover,
a:focus {
    text-decoration: underline;
}

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

.container {
    width: min(100%, var(--container-width));
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-light-gray);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 70px;
}

.logo-img {
    max-height: 50px;
    width: auto;
}

.logo-link {
    display: inline-flex;
    align-items: center;
}

.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.nav-toggle-label span {
    display: block;
    width: 26px;
    height: 3px;
    background-color: var(--color-anthrazit);
    border-radius: 2px;
}

.desktop-nav ul {
    list-style: none;
    display: flex;
    gap: 24px;
    margin: 0;
    padding: 0;
}

.desktop-nav a {
    font-weight: 500;
    color: var(--color-anthrazit);
    padding: 8px 0;
    position: relative;
}

.desktop-nav a.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 3px;
    background-color: var(--color-emerald);
    border-radius: 2px;
}

.desktop-nav a:hover::after,
.desktop-nav a:focus::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 3px;
    background-color: var(--color-gold);
    border-radius: 2px;
}

.mobile-menu {
    display: none;
}

.hero {
    padding: 80px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
    align-items: center;
}

.hero-content h1 {
    font-size: 2.6rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--color-navy);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.hero-highlights {
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
    display: grid;
    gap: 12px;
}

.hero-highlights li {
    padding-left: 20px;
    position: relative;
}

.hero-highlights li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-emerald);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hero-note {
    font-size: 0.95rem;
    color: var(--color-gray);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    color: var(--color-anthrazit);
    border: 2px solid var(--color-anthrazit);
    border-radius: 8px;
    font-weight: 600;
    padding: 12px 24px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    text-align: center;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: #13863d;
    border-color: #13863d;
    color: var(--color-white);
    text-decoration: none;
}

.btn-small {
    padding: 10px 18px;
    font-size: 0.95rem;
}

.section {
    padding: 80px 0;
}

.section.alt-background {
    background-color: var(--color-white);
}

.section-header {
    max-width: 720px;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 12px;
    color: var(--color-navy);
}

.section-header p {
    margin: 0;
    color: var(--color-gray);
}

.metrics-grid,
.services-preview-grid,
.cases-grid,
.insights-grid,
.method-grid,
.faq-grid,
.values-grid,
.timeline,
.methodology-grid,
.collaboration-grid,
.sustainability-grid,
.contact-info-grid,
.guidelines-grid,
.security-grid,
.detail-list,
.service-detail-grid,
.process-steps {
    display: grid;
    gap: 24px;
}

.metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-bottom: 40px;
}

.metric-card {
    background-color: var(--color-white);
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.metric-card h3 {
    font-size: 1.7rem;
    margin-bottom: 10px;
    color: var(--color-anthrazit);
}

.metric-card p {
    margin: 0;
    color: var(--color-gray);
}

.services-preview-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    margin-bottom: 32px;
}

.service-preview-card {
    background-color: var(--color-white);
    border-left: 4px solid var(--color-emerald);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.service-preview-card h3 {
    margin-top: 0;
    margin-bottom: 12px;
    color: var(--color-anthrazit);
}

.service-preview-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--color-gray);
}

.responsive-img {
    border-radius: 14px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.07);
}

.cases-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    margin-bottom: 32px;
}

.case-card,
.insight-card,
.method-card,
.faq-item,
.value-card,
.methodology-card,
.collaboration-card,
.sustainability-card,
.info-card,
.guideline-card,
.security-card,
.summary-card,
.summary-message {
    background-color: var(--color-white);
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.case-card h3,
.insight-card h3,
.method-card h3,
.faq-item h3,
.value-card h3,
.methodology-card h3,
.collaboration-card h3,
.sustainability-card h3,
.info-card h2,
.guideline-card h3,
.security-card h3 {
    margin-top: 0;
    color: var(--color-anthrazit);
}

.case-card ul,
.detail-list {
    margin: 16px 0 0;
    padding-left: 18px;
    color: var(--color-gray);
}

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

.contact-form-wrapper {
    background-color: var(--color-white);
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.contact-form .form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-form label {
    font-weight: 600;
    color: var(--color-anthrazit);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    border: 1px solid #CBD5E1;
    border-radius: 8px;
    padding: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-color: var(--color-offwhite);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-emerald);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
    background-color: var(--color-white);
}

.contact-form textarea {
    resize: vertical;
}

.honeypot {
    display: none;
}

.hero-subpage {
    padding: 80px 0;
}

.hero-subpage-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
    align-items: center;
}

.hero-subpage h1 {
    font-size: 2.4rem;
    color: var(--color-navy);
    margin-bottom: 16px;
}

.section-values,
.section-timeline,
.section-methodology,
.section-collaboration,
.section-sustainability,
.section-service-detail,
.section-service-process,
.section-contact-info,
.section-guidelines,
.section-security,
.section-contact-form {
    position: relative;
}

.values-grid,
.methodology-grid,
.collaboration-grid,
.sustainability-grid,
.info-card,
.guideline-card,
.security-card,
.service-detail-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-light-gray);
}

.timeline-item {
    position: relative;
    padding-left: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 6px;
    width: 12px;
    height: 12px;
    background-color: var(--color-emerald);
    border-radius: 50%;
}

.timeline-date {
    font-weight: 600;
    color: var(--color-navy);
}

.timeline-content h3 {
    margin: 6px 0 8px;
}

.service-detail-grid {
    align-items: start;
}

.service-detail-grid > div {
    background-color: var(--color-white);
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

.process-steps {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.process-step {
    background-color: var(--color-white);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
    position: relative;
}

.process-step h3 {
    margin: 0 0 10px;
    color: var(--color-anthrazit);
}

.summary-card {
    margin: 24px 0;
}

.summary-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.summary-list li {
    margin-bottom: 6px;
    color: var(--color-anthrazit);
}

.summary-message {
    margin-top: 16px;
}

.legal-section {
    padding: 80px 0;
}

.legal-content {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.legal-content h1 {
    margin-top: 0;
    color: var(--color-navy);
}

.legal-content h2 {
    margin-top: 32px;
    color: var(--color-anthrazit);
}

.legal-content p,
.legal-content ul {
    color: var(--color-gray);
}

.legal-list {
    list-style: disc;
    padding-left: 20px;
}

.legal-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.legal-table th,
.legal-table td {
    border: 1px solid var(--color-light-gray);
    padding: 12px;
    text-align: left;
}

.legal-table th {
    background-color: var(--color-offwhite);
}

.site-footer {
    background-color: var(--color-anthrazit);
    color: var(--color-offwhite);
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.footer-logo-img {
    max-height: 100px;
    width: auto;
    margin-bottom: 16px;
}

.site-footer a {
    color: var(--color-white);
}

.footer-nav ul,
.footer-legal ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-nav li,
.footer-legal li {
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 16px;
    text-align: center;
    font-size: 0.9rem;
}

.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.15);
    padding: 20px;
    width: min(90%, 500px);
    z-index: 15;
    display: none;
}

.cookie-banner-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    color: var(--color-anthrazit);
}

.cookie-banner a {
    color: var(--color-navy);
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .hero-grid,
    .hero-subpage-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual,
    .hero-subpage-visual {
        order: -1;
    }

    .section {
        padding: 70px 0;
    }
}

@media (max-width: 860px) {
    .desktop-nav {
        display: none;
    }

    .nav-toggle-label {
        display: flex;
    }

    .mobile-menu {
        position: fixed;
        inset: 0;
        background-color: var(--color-anthrazit);
        color: var(--color-offwhite);
        padding: 30px 20px;
        display: none;
        flex-direction: column;
        z-index: 12;
    }

    .mobile-menu-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-weight: 600;
        font-size: 1.1rem;
    }

    .close-menu {
        font-size: 2rem;
        cursor: pointer;
    }

    .mobile-menu nav ul {
        list-style: none;
        padding: 40px 0 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 24px;
        font-size: 1.4rem;
    }

    .mobile-menu nav a {
        color: var(--color-offwhite);
        font-weight: 500;
    }

    .nav-toggle:checked ~ .mobile-menu {
        display: flex;
    }

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

@media (max-width: 600px) {
    .hero {
        padding: 60px 0;
    }

    .section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .hero-content h1,
    .hero-subpage h1 {
        font-size: 2rem;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .legal-content {
        padding: 24px;
    }

    .cookie-banner {
        width: min(94%, 420px);
    }
}

@media (max-width: 480px) {
    .hero-highlights {
        gap: 10px;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .contact-details p {
        font-size: 0.95rem;
    }
}

@media (max-width: 360px) {
    .container {
        padding: 0 16px;
    }

    .hero-content h1,
    .hero-subpage h1 {
        font-size: 1.8rem;
    }

    .btn {
        width: 100%;
    }

    .cookie-banner {
        left: 10px;
        right: 10px;
        transform: none;
    }
}