:root {
    --primary: #0F62FE;
    --secondary: #111827;
    --accent: #22C55E;
    --background: #F9FAFB;
    --text: #0B1220;
    --dataviz: #8B5CF6;
    --alert: #F59E0B;
    --light: #FFFFFF;
    --muted: #6B7280;
    --border: #E5E7EB;
    --shadow: 0 20px 45px -20px rgba(15, 98, 254, 0.35);
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    width: min(1120px, 92vw);
    margin: 0 auto;
}

.section {
    padding: 80px 0;
}

.section h1,
.section h2 {
    margin-bottom: 20px;
    font-weight: 700;
    color: var(--secondary);
}

.section h3 {
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--secondary);
}

.section p {
    margin-bottom: 16px;
    color: var(--text);
}

.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    background: var(--light);
    box-shadow: 0 10px 20px -12px rgba(17, 24, 39, 0.25);
    z-index: 1000;
}

.top-bar {
    background: var(--secondary);
    color: var(--light);
    font-size: 0.85rem;
    padding: 8px 0;
}

.top-bar-content {
    display: flex;
    gap: 18px;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.theme-toggle {
    margin-left: auto;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--light);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    position: relative;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
}

.main-nav ul {
    display: flex;
    gap: 32px;
    align-items: center;
}

.main-nav a {
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

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

.main-nav a:hover::after,
.main-nav a.active::after {
    background: var(--primary);
}

.nav-toggle {
    display: none;
}

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

.burger span {
    width: 24px;
    height: 2px;
    background: var(--secondary);
}

.close-menu {
    display: none;
}

.hero {
    padding-top: 120px;
}

.hero-grid,
.section-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2rem, 3vw, 3rem);
}

.hero-actions {
    display: flex;
    gap: 18px;
    margin: 28px 0;
}

.hero-highlights {
    display: grid;
    gap: 10px;
    margin-top: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 26px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.primary-btn {
    background: var(--primary);
    color: var(--light);
    box-shadow: var(--shadow);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 25px 40px -18px rgba(15, 98, 254, 0.45);
}

.secondary-btn {
    background: rgba(15, 98, 254, 0.08);
    color: var(--primary);
    border: 1px solid rgba(15, 98, 254, 0.25);
}

.secondary-btn:hover {
    background: rgba(15, 98, 254, 0.15);
}

.metrics-grid,
.case-grid,
.stack-grid,
.service-grid,
.approach-grid,
.sectors-grid,
.timeline-list,
.support-grid,
.assurance-grid {
    display: grid;
    gap: 24px;
    margin-top: 32px;
}

.metrics-grid,
.case-grid,
.stack-grid,
.service-grid,
.approach-grid,
.sectors-grid,
.support-grid,
.assurance-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.metric-card,
.case-card,
.stack-card,
.service-card,
.approach-card,
.sector-card,
.support-card,
.assurance-card {
    background: var(--light);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--border);
    box-shadow: 0 12px 30px -18px rgba(17, 24, 39, 0.35);
    transition: var(--transition);
}

.metric-card:hover,
.case-card:hover,
.stack-card:hover,
.service-card:hover,
.approach-card:hover,
.sector-card:hover,
.support-card:hover,
.assurance-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 40px -22px rgba(15, 98, 254, 0.35);
}

.metric-card h3 {
    font-size: 2rem;
    color: var(--primary);
}

.feature-list {
    display: grid;
    gap: 12px;
    margin-top: 16px;
}

.feature-list li {
    position: relative;
    padding-left: 18px;
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}

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

.process-step {
    background: var(--light);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--border);
}

.process-media,
.stack-media {
    margin-top: 36px;
}

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

.faq-item {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--light);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    padding: 22px 28px;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
    padding: 0 28px;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 28px 22px;
}

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

.contact-details {
    display: grid;
    gap: 12px;
}

.contact-form {
    display: grid;
    gap: 18px;
    background: var(--light);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border);
    box-shadow: 0 18px 44px -26px rgba(17, 24, 39, 0.4);
}

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

label {
    font-weight: 500;
    color: var(--secondary);
}

input,
textarea {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    font: inherit;
    color: var(--text);
    background: var(--background);
    transition: border var(--transition), box-shadow var(--transition);
}

input:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15, 98, 254, 0.18);
    outline: none;
}

textarea {
    resize: vertical;
}

.site-footer {
    background: var(--secondary);
    color: var(--light);
    padding-top: 60px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
    padding-bottom: 30px;
}

.footer-info p,
.footer-contact li {
    color: rgba(255, 255, 255, 0.82);
}

.footer-nav ul,
.footer-legal ul {
    display: grid;
    gap: 12px;
    margin-top: 12px;
}

.footer-nav a,
.footer-legal a {
    color: rgba(255, 255, 255, 0.88);
    transition: color var(--transition);
}

.footer-nav a:hover,
.footer-legal a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 18px 0;
    text-align: center;
}

.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--light);
    color: var(--text);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: 0 18px 50px -24px rgba(17, 24, 39, 0.4);
    max-width: 800px;
    width: calc(100% - 48px);
    display: none;
    z-index: 1200;
}

.cookie-content {
    display: flex;
    gap: 24px;
    align-items: center;
    padding: 24px;
}

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

.summary-card {
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin: 24px 0;
}

.timeline-list {
    border-left: 2px solid var(--border);
    padding-left: 28px;
    margin-left: 12px;
}

.timeline-item {
    position: relative;
    padding: 12px 0 12px 12px;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -32px;
    top: 16px;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--light);
}

.timeline-date {
    font-weight: 600;
    color: var(--primary);
    display: block;
    margin-bottom: 6px;
}

.dark-mode body {
    background: #0F172A;
    color: #E5E7EB;
}

.dark-mode .site-header {
    background: #0B1220;
    color: #E5E7EB;
    box-shadow: 0 12px 24px -20px rgba(255, 255, 255, 0.4);
}

.dark-mode .logo,
.dark-mode .section h1,
.dark-mode .section h2,
.dark-mode .section h3 {
    color: #F3F4F6;
}

.dark-mode .hero,
.dark-mode .section {
    background: transparent;
}

.dark-mode .metric-card,
.dark-mode .case-card,
.dark-mode .stack-card,
.dark-mode .service-card,
.dark-mode .approach-card,
.dark-mode .sector-card,
.dark-mode .support-card,
.dark-mode .assurance-card,
.dark-mode .process-step,
.dark-mode .faq-item,
.dark-mode .contact-form,
.dark-mode .summary-card {
    background: #111827;
    border-color: rgba(255, 255, 255, 0.08);
    color: #E5E7EB;
}

.dark-mode .feature-list li::before {
    background: var(--dataviz);
}

.dark-mode .cookie-banner {
    background: #0B1220;
    color: #E5E7EB;
    border-color: rgba(255, 255, 255, 0.12);
}

.dark-mode input,
.dark-mode textarea {
    background: #0F172A;
    border-color: rgba(255, 255, 255, 0.14);
    color: #E5E7EB;
}

.dark-mode .secondary-btn {
    border-color: rgba(255, 255, 255, 0.3);
    color: #F3F4F6;
}

.dark-mode .main-nav a::after {
    background: var(--dataviz);
}

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

    .hero {
        padding-top: 100px;
    }
}

@media (max-width: 900px) {
    .main-nav ul {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .burger {
        display: flex;
    }

    .main-nav {
        position: fixed;
        inset: 0;
        background: rgba(15, 17, 31, 0.96);
        color: var(--light);
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        transition: transform var(--transition);
    }

    .nav-toggle:checked ~ .main-nav {
        transform: translateX(0);
    }

    .main-nav ul {
        flex-direction: column;
        gap: 28px;
    }

    .main-nav a {
        font-size: 1.25rem;
    }

    .close-menu {
        display: block;
        position: absolute;
        top: 28px;
        right: 26px;
        font-size: 2rem;
        cursor: pointer;
    }

    .top-bar-content {
        justify-content: center;
    }

    .cookie-content {
        flex-direction: column;
        align-items: flex-start;
    }
}

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

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

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