:root {
    --color-primary: #0F172A;
    --color-secondary: #1D4ED8;
    --color-accent: #06B6D4;
    --color-background: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-neutral: #64748B;
    --color-muted: #E2E8F0;
    --color-dark: #111827;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --container-max: 1200px;
    --radius-md: 16px;
    --radius-sm: 8px;
    --shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 30px 60px rgba(15, 23, 42, 0.12);
    --transition: all 0.3s ease;
}

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

html {
    font-size: 16px;
}

body {
    font-family: 'Inter', 'IBM Plex Sans', sans-serif;
    background-color: var(--color-background);
    color: var(--color-primary);
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

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

.skip-link {
    position: absolute;
    top: -40px;
    left: 16px;
    background: var(--color-secondary);
    color: var(--color-surface);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 2000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 16px;
}

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

.section {
    padding: 96px 0;
}

.section-label {
    display: inline-flex;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section p {
    color: var(--color-neutral);
    font-size: 1.05rem;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    color: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(29, 78, 216, 0.1);
    color: var(--color-secondary);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: rgba(29, 78, 216, 0.18);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1500;
    background: rgba(248, 250, 252, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(100, 116, 139, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80px;
    position: relative;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.nav-toggle {
    display: none;
}

.nav-button {
    display: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: rgba(15, 23, 42, 0.08);
}

.nav-button span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-primary);
    margin: 4px 0;
    transition: var(--transition);
    border-radius: 999px;
}

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

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

.nav-desktop a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    background: transparent;
    transition: var(--transition);
}

.nav-desktop a:hover::after,
.nav-desktop a:focus::after,
.nav-desktop a.active::after {
    background: var(--color-secondary);
}

.nav-mobile {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.95);
    color: var(--color-surface);
    padding: 120px 24px 48px;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 24px;
    z-index: 1400;
}

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

.nav-mobile li {
    margin-bottom: 16px;
}

.nav-mobile a {
    color: var(--color-surface);
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-close {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 2rem;
    cursor: pointer;
}

.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: transparent;
    z-index: 1300;
}

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

.nav-toggle:checked ~ .nav-overlay {
    display: block;
}

.hero-section {
    padding-top: 120px;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 32px;
    align-items: center;
}

.hero-content {
    grid-column: span 7;
}

.hero-content h1 {
    font-size: 3rem;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.hero-content p {
    font-size: 1.125rem;
    color: var(--color-neutral);
    margin-bottom: 24px;
}

.hero-keywords {
    margin: 24px 0;
    padding: 24px;
    border-radius: var(--radius-md);
    background: rgba(29, 78, 216, 0.08);
    border: 1px solid rgba(29, 78, 216, 0.16);
    color: var(--color-primary);
    font-weight: 500;
}

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

.hero-image {
    grid-column: span 5;
    box-shadow: var(--shadow-lg);
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.stat-card h3 {
    font-size: 2.25rem;
    margin: 0 0 12px;
    color: var(--color-secondary);
}

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

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

.card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card h3 {
    margin: 0;
    font-size: 1.4rem;
    color: var(--color-primary);
}

.card p {
    margin: 0;
}

.card ul {
    margin: 0;
    padding-left: 20px;
    color: var(--color-neutral);
}

.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(100, 116, 139, 0.2);
}

.timeline-item {
    position: relative;
    margin-bottom: 24px;
    padding-left: 24px;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -16px;
    top: 8px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-secondary);
}

.case-study {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.case-study h3 {
    margin-top: 0;
}

.case-metric {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
    border-radius: var(--radius-sm);
    background: rgba(15, 23, 42, 0.04);
}

.case-metric span {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-secondary);
}

.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.partner-card {
    background: rgba(15, 23, 42, 0.04);
    padding: 24px;
    border-radius: var(--radius-md);
}

.partner-card h4 {
    margin: 0 0 12px;
}

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

.faq-item {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    box-shadow: var(--shadow-sm);
}

.faq-item h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 1.2rem;
    color: var(--color-primary);
}

.form-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

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

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

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

input,
select,
textarea {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(100, 116, 139, 0.3);
    background: var(--color-background);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
    color: var(--color-primary);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-secondary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
    background: var(--color-surface);
}

textarea {
    min-height: 140px;
}

.form-consent {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--color-neutral);
}

.form-consent input[type="checkbox"] {
    width: auto;
    margin-top: 3px;
}

.site-footer {
    background: var(--color-primary);
    color: var(--color-surface);
    padding-top: 64px;
    margin-top: 96px;
}

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

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

.footer-column p,
.footer-column a {
    color: rgba(248, 250, 252, 0.9);
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a:hover,
.footer-column a:focus {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.3);
    padding: 24px 24px 32px;
    text-align: center;
    color: rgba(248, 250, 252, 0.75);
    font-size: 0.95rem;
}

.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    max-width: 480px;
    width: calc(100% - 32px);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 24px;
    z-index: 1600;
    display: none;
}

.cookie-banner__content p {
    margin: 0 0 16px;
    color: var(--color-primary);
}

.cookie-banner__content a {
    color: var(--color-secondary);
    text-decoration: underline;
}

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

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table th,
.table td {
    padding: 16px 20px;
    text-align: left;
}

.table th {
    background: rgba(15, 23, 42, 0.08);
    color: var(--color-primary);
    font-weight: 600;
}

.table tr:nth-child(every) {
    background: var(--color-surface);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 600;
    background: rgba(6, 182, 212, 0.12);
    color: var(--color-secondary);
}

.highlight {
    color: var(--color-secondary);
    font-weight: 600;
}

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: repeat(12, 1fr);
    }
}

@media (max-width: 900px) {
    .nav-button {
        display: flex;
    }

    .nav-desktop {
        display: none;
    }

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

    .hero-content {
        grid-column: span 12;
    }

    .hero-image {
        grid-column: span 12;
    }

    .section {
        padding: 72px 0;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 18px;
    }

    .section h2 {
        font-size: 2.1rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .form-card {
        padding: 24px;
    }

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

    .cookie-banner {
        bottom: 12px;
        width: calc(100% - 24px);
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-button {
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 360px) {
    body {
        font-size: 15px;
    }

    .hero-content h1 {
        font-size: 2.1rem;
    }

    .section {
        padding: 64px 0;
    }
}