:root {
    --color-primary: #0B3C5D;
    --color-secondary: #16A085;
    --color-accent: #1F8EFA;
    --color-dark: #2F3A4A;
    --color-muted: #6A7A89;
    --color-background: #FFFFFF;
    --color-light: #F4F7FA;
    --color-highlight: #31D27C;
    --radius-base: 12px;
    --radius-large: 18px;
    --spacing-section: 80px;
    --spacing-section-mobile: 56px;
    --max-width: 1200px;
    --font-primary: 'Inter', 'Roboto', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-primary);
    background: var(--color-background);
    color: var(--color-dark);
    line-height: 1.6;
    font-size: 16px;
}

img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius-base);
}

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

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

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--spacing-section) 0;
}

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

.section.dark {
    background: var(--color-primary);
    color: var(--color-background);
}

.section.dark .feature-list li,
.section.dark p {
    color: var(--color-background);
}

.section.dark .info-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.section.dark .info-card h3 {
    color: var(--color-highlight);
}

.section-header {
    max-width: 760px;
    margin-bottom: 40px;
}

.section-header h2 {
    margin: 0 0 16px;
    font-size: 32px;
    line-height: 1.2;
}

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

.section.dark .section-header p {
    color: rgba(255, 255, 255, 0.8);
}

.grid {
    display: grid;
    gap: 32px;
}

.two-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
}

.three-columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}

.hero {
    padding-top: 96px;
    padding-bottom: 96px;
}

.hero.inner-hero {
    padding-top: 80px;
}

.hero-content h1 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 40px;
    line-height: 1.15;
}

.hero-content p {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--color-muted);
}

.hero-content .hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 24px;
    margin-bottom: 24px;
}

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

.hero-highlights li {
    margin-bottom: 12px;
    color: var(--color-dark);
    font-weight: 500;
}

.hero-highlights span {
    color: var(--color-secondary);
    font-weight: 600;
}

.hero-media {
    position: relative;
}

.hero-media img {
    border-radius: var(--radius-large);
    box-shadow: 0 24px 48px rgba(15, 46, 70, 0.18);
}

.eyebrow {
    display: inline-flex;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(49, 210, 124, 0.15);
    color: var(--color-secondary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 999px;
    border: none;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    color: var(--color-background);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover,
.btn:focus {
    text-decoration: none;
    opacity: 0.9;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 999px;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    background: transparent;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    border-radius: 999px;
    border: 1px solid var(--color-background);
    color: var(--color-background);
    background: transparent;
    font-weight: 600;
}

.btn-outline:hover,
.btn-outline:focus {
    background: rgba(255, 255, 255, 0.12);
    text-decoration: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 24px;
}

.stat-card {
    padding: 28px;
    border-radius: var(--radius-base);
    background: var(--color-background);
    border: 1px solid rgba(11, 60, 93, 0.12);
}

.stat-card p {
    margin: 0;
    color: var(--color-muted);
}

.stat-value {
    display: block;
    font-size: 40px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.info-card {
    padding: 24px;
    border-radius: var(--radius-base);
    background: var(--color-background);
    border: 1px solid rgba(15, 46, 70, 0.14);
    box-shadow: 0 16px 32px rgba(15, 46, 70, 0.06);
}

.info-card h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 22px;
    color: var(--color-primary);
}

.info-card p {
    margin: 0;
    color: var(--color-muted);
}

.card-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    margin-top: 24px;
}

.feature-list,
.ordered-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--color-dark);
}

.feature-list li::before {
    content: '';
    width: 8px;
    height: 8px;
    margin-top: 10px;
    border-radius: 50%;
    background: var(--color-highlight);
    flex-shrink: 0;
}

.section.dark .feature-list li::before {
    background: var(--color-background);
}

.ordered-list li {
    margin-bottom: 16px;
    padding-left: 36px;
    position: relative;
    color: var(--color-dark);
}

.ordered-list li::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    left: 0;
    top: 2px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: var(--color-background);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

.ordered-list {
    counter-reset: step-counter;
}

.use-case-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-top: 24px;
}

.use-case {
    padding: 24px;
    background: var(--color-background);
    border-radius: var(--radius-base);
    border: 1px solid rgba(15, 46, 70, 0.12);
}

.section.dark .use-case {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
}

.timeline {
    display: grid;
    gap: 16px;
}

.timeline li,
.timeline-item {
    background: var(--color-background);
    border-radius: var(--radius-base);
    border: 1px solid rgba(15, 46, 70, 0.1);
    padding: 20px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.timeline li span,
.timeline-item span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: var(--color-background);
    font-weight: 600;
    flex-shrink: 0;
}

.timeline-item p {
    margin: 0;
    color: var(--color-muted);
}

.section.dark .timeline li,
.section.dark .timeline-item {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
}

.section.dark .timeline p {
    color: rgba(255, 255, 255, 0.8);
}

.integration-card {
    padding: 24px;
    border-radius: var(--radius-base);
    background: var(--color-background);
    border: 1px solid rgba(11, 60, 93, 0.12);
    box-shadow: 0 12px 28px rgba(15, 46, 70, 0.05);
}

.integration-card h3 {
    margin-top: 0;
    margin-bottom: 12px;
    color: var(--color-primary);
    font-size: 20px;
}

.integration-card p {
    margin: 0;
    color: var(--color-muted);
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 16px 0 0;
}

.contact-list li {
    margin-bottom: 12px;
    color: var(--color-dark);
}

.section.dark .contact-list li {
    color: var(--color-background);
}

.contact-form {
    padding: 32px;
    border-radius: var(--radius-large);
    background: var(--color-background);
    border: 1px solid rgba(15, 46, 70, 0.1);
    box-shadow: 0 24px 48px rgba(11, 60, 93, 0.12);
    display: grid;
    gap: 20px;
}

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

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

label {
    font-weight: 600;
    color: var(--color-dark);
}

input,
textarea {
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid rgba(15, 46, 70, 0.2);
    font-family: var(--font-primary);
    font-size: 16px;
    transition: border-color 0.2s ease;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 99;
    background: var(--color-background);
    box-shadow: 0 2px 12px rgba(12, 45, 74, 0.08);
}

.top-bar {
    background: var(--color-primary);
    color: var(--color-background);
    font-size: 14px;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 24px;
}

.top-bar-inner a {
    color: var(--color-background);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
}

.logo {
    font-weight: 700;
    font-size: 20px;
    color: var(--color-primary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

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

.main-nav a {
    color: var(--color-dark);
    font-weight: 600;
    font-size: 15px;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a:focus {
    border-bottom-color: var(--color-secondary);
    text-decoration: none;
}

.main-nav a.is-active {
    border-bottom-color: var(--color-secondary);
}

.nav-cta {
    display: flex;
}

.nav-toggle {
    display: none;
}

.burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 36px;
    cursor: pointer;
}

.burger span {
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
}

.nav-close {
    display: none;
    font-size: 42px;
    color: var(--color-background);
    align-self: flex-end;
    cursor: pointer;
}

.site-footer {
    background: var(--color-primary);
    color: var(--color-background);
    padding: 80px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.footer-column h3,
.footer-column h4 {
    margin-top: 0;
    margin-bottom: 16px;
}

.footer-column p {
    margin: 0 0 16px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-column a {
    color: var(--color-background);
}

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

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

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

.footer-contact li {
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.9);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
}

.cookie-banner {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 16px;
    background: var(--color-background);
    border-radius: var(--radius-large);
    box-shadow: 0 20px 40px rgba(15, 46, 70, 0.18);
    padding: 24px;
    border: 1px solid rgba(15, 46, 70, 0.12);
    display: none;
    z-index: 200;
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cookie-content p {
    margin: 0;
    color: var(--color-dark);
}

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

.faq-list {
    display: grid;
    gap: 16px;
}

.faq-item {
    border-radius: var(--radius-base);
    border: 1px solid rgba(15, 46, 70, 0.12);
    background: var(--color-background);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 18px 20px;
    background: transparent;
    border: none;
    font-size: 17px;
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-answer {
    padding: 0 20px 18px;
    display: none;
    color: var(--color-muted);
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-icon {
    font-size: 22px;
    color: var(--color-secondary);
    transition: transform 0.2s ease;
}

.legal {
    padding-top: 120px;
}

.legal-content {
    max-width: 820px;
}

.legal-content h1 {
    margin-top: 0;
    margin-bottom: 24px;
    font-size: 36px;
    color: var(--color-primary);
}

.legal-content h2 {
    margin-top: 36px;
    margin-bottom: 16px;
    font-size: 24px;
    color: var(--color-primary);
}

.legal-content ul {
    padding-left: 18px;
    color: var(--color-muted);
}

.legal-content p {
    color: var(--color-muted);
}

.summary-box {
    margin-top: 32px;
    padding: 24px;
    border-radius: var(--radius-base);
    border: 1px solid rgba(15, 46, 70, 0.12);
    background: var(--color-background);
}

.summary-box h2 {
    margin-top: 0;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.summary-box dl {
    margin: 0;
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 12px 20px;
}

.summary-box dt {
    font-weight: 600;
    color: var(--color-dark);
}

.summary-box dd {
    margin: 0;
    color: var(--color-muted);
}

.centered {
    text-align: center;
}

.contact-block .section-content img {
    margin-top: 24px;
}

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

    .hero-content h1 {
        font-size: 34px;
    }

    .summary-box dl {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .main-nav {
        display: none;
    }

    .nav-toggle:checked ~ .main-nav {
        display: flex;
        position: fixed;
        inset: 0;
        background: var(--color-primary);
        flex-direction: column;
        padding: 32px;
        gap: 28px;
        z-index: 100;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 20px;
    }

    .main-nav a {
        color: var(--color-background);
        font-size: 18px;
        border-bottom: none;
    }

    .nav-cta .btn-outline {
        border-color: var(--color-background);
    }

    .burger {
        display: flex;
    }

    .nav-close {
        display: inline-flex;
    }

    .top-bar-inner {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--spacing-section-mobile) 0;
    }

    .hero {
        padding-top: 72px;
        padding-bottom: 72px;
    }

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

    .three-columns {
        grid-template-columns: 1fr;
    }

    .cookie-banner {
        left: 12px;
        right: 12px;
        bottom: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 18px;
    }

    .hero-content h1 {
        font-size: 28px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn,
    .btn-secondary,
    .btn-outline {
        width: 100%;
    }

    .cookie-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .cookie-actions .btn,
    .cookie-actions .btn-outline {
        width: 100%;
    }
}

@media (max-width: 360px) {
    .hero-content h1 {
        font-size: 26px;
    }

    .section {
        padding: 48px 0;
    }

    .top-bar-inner {
        padding: 8px 18px;
    }

    .nav-container {
        padding: 14px 18px;
    }
}