:root {
    --color-primary: #2563eb;
    --color-secondary: #0b1f3a;
    --color-accent: #fbbf24;
    --color-dark: #0b1f3a;
    --color-light: #f5f7fb;
    --color-muted: #64748b;
    --color-border: #d8e0ef;
    --radius-base: 0.85rem;
    --transition-fast: 0.28s ease;
    --font-base: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-base);
    color: var(--color-dark);
    background: var(--color-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    background-image: radial-gradient(circle at top right, rgba(37, 99, 235, 0.08), transparent 55%),
        radial-gradient(circle at bottom left, rgba(11, 31, 58, 0.08), transparent 50%);
}

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

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

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

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex="0"]:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
}

.container {
    width: min(1160px, 92vw);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(245, 247, 251, 0.96);
    border-bottom: 1px solid rgba(216, 224, 239, 0.7);
    backdrop-filter: blur(12px);
    transition: box-shadow var(--transition-fast);
}

.site-header.scrolled {
    box-shadow: 0 12px 24px rgba(11, 31, 58, 0.08);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 1rem;
}

.brand {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-secondary);
    letter-spacing: 0.02em;
}

.nav-toggle {
    background: transparent;
    border: 0;
    display: inline-flex;
    flex-direction: column;
    gap: 0.32rem;
    cursor: pointer;
    padding: 0.25rem;
}

.nav-toggle-line {
    width: 1.75rem;
    height: 0.18rem;
    background: var(--color-dark);
    border-radius: 999px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
    transform: translateY(0.5rem) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
    transform: translateY(-0.5rem) rotate(-45deg);
}

.primary-nav {
    position: fixed;
    inset: 0 0 auto;
    background: rgba(11, 31, 58, 0.96);
    transform: translateY(-100%);
    transition: transform var(--transition-fast);
}

.primary-nav ul {
    list-style: none;
    margin: 0;
    padding: 5rem 2rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}

.primary-nav a {
    color: #fff;
    font-weight: 600;
    font-size: 1.05rem;
}

.primary-nav .btn.mini {
    justify-content: center;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 16px 30px rgba(37, 99, 235, 0.28);
}

.primary-nav .btn.mini:hover,
.primary-nav .btn.mini:focus-visible {
    transform: translateY(-2px);
}

.primary-nav.open {
    transform: translateY(0);
}

.hero {
    padding: 6.5rem 0 4rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(11, 31, 58, 0.08));
}

.hero-content {
    display: grid;
    gap: 3rem;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.4rem, 6vw, 3.6rem);
    margin-bottom: 1rem;
    line-height: 1.15;
}

.hero-text p {
    margin-bottom: 1.5rem;
    color: var(--color-muted);
    max-width: 52ch;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    background: rgba(11, 31, 58, 0.08);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.hero-visual figure {
    margin: 0;
    background: #fff;
    padding: 1.4rem;
    border-radius: calc(var(--radius-base) + 0.4rem);
    box-shadow: 0 30px 60px rgba(11, 31, 58, 0.18);
    border: 1px solid rgba(216, 224, 239, 0.6);
}

.hero-visual figcaption {
    margin-top: 0.85rem;
    font-size: 0.85rem;
    color: var(--color-muted);
    text-align: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.8rem;
    border-radius: 999px;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
    text-align: center;
}

.btn.primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    box-shadow: 0 14px 28px rgba(37, 99, 235, 0.28);
}

.btn.primary:hover,
.btn.primary:focus-visible {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    transform: translateY(-2px);
}

.btn.secondary {
    background: #fff;
    color: var(--color-secondary);
    border-color: var(--color-secondary);
    box-shadow: 0 8px 18px rgba(11, 31, 58, 0.12);
}

.btn.secondary:hover,
.btn.secondary:focus-visible {
    background: var(--color-secondary);
    color: #fff;
}

.btn.ghost {
    border-color: transparent;
    color: var(--color-secondary);
    background: rgba(255, 255, 255, 0.6);
}

.btn.ghost:hover,
.btn.ghost:focus-visible {
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.85);
}

.btn.mini {
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
}

.hero-differentials {
    list-style: none;
    padding-left: 0;
    margin: 0 0 2rem;
    display: grid;
    gap: 0.75rem;
    color: var(--color-dark);
}

.hero-differentials li::before {
    content: '\2713';
    margin-right: 0.6rem;
    color: var(--color-primary);
    font-weight: 700;
}

.section {
    padding: 4.5rem 0;
}

.section.alt {
    background: #fff;
}

.section h2 {
    font-size: clamp(1.9rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    margin-bottom: 2.5rem;
    color: var(--color-muted);
    max-width: 60ch;
}

.card,
.module-card,
.pricing-card,
.testimonial-card {
    background: #fff;
    border-radius: var(--radius-base);
    padding: 2rem;
    box-shadow: 0 18px 36px rgba(11, 31, 58, 0.08);
    border: 1px solid rgba(11, 31, 58, 0.08);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover,
.card:focus-visible,
.module-card:hover,
.module-card:focus-visible,
.pricing-card:hover,
.pricing-card:focus-visible,
.testimonial-card:hover,
.testimonial-card:focus-visible {
    transform: translateY(-6px);
    box-shadow: 0 24px 48px rgba(11, 31, 58, 0.18);
}

.benefits-grid,
.modules-grid,
.use-cases,
.pricing-grid,
.charts-grid,
.testimonials {
    display: grid;
    gap: 1.6rem;
}

.benefits-grid article h3,
.use-cases article h3 {
    margin-top: 0;
}

.modules-grid {
    margin-top: 2rem;
}

.charts-grid {
    margin-top: 2rem;
}

.chart-legend {
    list-style: none;
    margin: 1.25rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.6rem;
    color: var(--color-muted);
    font-size: 0.95rem;
}

.chart-legend li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.legend-color {
    width: 14px;
    height: 14px;
    border-radius: 4px;
    background: var(--color-primary);
    display: inline-block;
}

.legend-color[data-color="0"] { background: #2563eb; }
.legend-color[data-color="1"] { background: #0ea5e9; }
.legend-color[data-color="2"] { background: #14b8a6; }
.legend-color[data-color="3"] { background: #f59e0b; }
.legend-color[data-color="4"] { background: #ef4444; }
.legend-color[data-color="5"] { background: #8b5cf6; }
.legend-color[data-color="6"] { background: #1f2937; }
.legend-color[data-color="7"] { background: #22c55e; }
.legend-color[data-color="8"] { background: #fb7185; }

.module-card {
    position: relative;
    overflow: hidden;
    padding-top: 2.5rem;
}

.module-card::before {
    content: '';
    position: absolute;
    inset: 0 auto auto 0;
    width: 60px;
    height: 4px;
    background: var(--color-primary);
}

.module-card h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.module-card ul {
    margin: 0.9rem 0;
    padding-left: 1.2rem;
    color: var(--color-muted);
}

.module-card li::marker {
    color: var(--color-primary);
}

.module-purpose,
.module-value,
.module-example {
    color: var(--color-muted);
    margin-bottom: 0.8rem;
}

.steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 1.5rem;
}

.steps li {
    background: #fff;
    border-left: 4px solid var(--color-primary);
    padding: 1.6rem 1.6rem 1.6rem 2.2rem;
    border-radius: var(--radius-base);
    box-shadow: 0 16px 32px rgba(11, 31, 58, 0.08);
    position: relative;
}

.step-number {
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.12);
    color: var(--color-primary);
    font-weight: 700;
    margin-right: 0.75rem;
}

.use-cases .result {
    margin-top: 1rem;
    font-weight: 600;
    color: var(--color-secondary);
}

.comparison-table {
    margin-top: 2.5rem;
    border-radius: var(--radius-base);
    overflow: hidden;
    box-shadow: 0 22px 44px rgba(11, 31, 58, 0.1);
    border: 1px solid rgba(11, 31, 58, 0.08);
}

.comparison-header,
.comparison-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
}

.comparison-header {
    background: var(--color-secondary);
    color: #fff;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.comparison-header > div,
.comparison-row > div {
    padding: 1.1rem 1.2rem;
}

.comparison-row:nth-child(even) {
    background: rgba(245, 247, 251, 0.6);
}

.testimonial-card {
    position: relative;
    padding-top: 2.4rem;
}

.testimonial-card::before {
    content: '“';
    position: absolute;
    top: 1.2rem;
    left: 1.6rem;
    font-size: 3rem;
    color: rgba(37, 99, 235, 0.2);
    font-family: Georgia, 'Times New Roman', serif;
}

.testimonial-text {
    margin: 0 0 1.5rem;
    color: var(--color-secondary);
    font-size: 1.05rem;
}

.testimonial-author {
    margin: 0;
    color: var(--color-muted);
    font-weight: 600;
}

.pricing-grid {
    margin-top: 2.5rem;
}

.pricing-card {
    text-align: left;
    position: relative;
    min-height: 100%;
}

.pricing-amount {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0.5rem 0 1.2rem;
    color: var(--color-secondary);
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    display: grid;
    gap: 0.75rem;
    color: var(--color-muted);
}

.pricing-card ul li::before {
    content: '\2022';
    color: var(--color-primary);
    margin-right: 0.5rem;
}

.pricing-card.featured {
    background: linear-gradient(140deg, #0b1f3a, #112e5a);
    color: #fff;
    border: none;
    box-shadow: 0 28px 48px rgba(11, 31, 58, 0.2);
}

.pricing-card.featured .pricing-amount {
    color: #fff;
}

.pricing-card .badge {
    position: absolute;
    top: 1.4rem;
    right: 1.4rem;
    background: var(--color-accent);
    color: #0b1f3a;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.faq details {
    background: #fff;
    border-radius: var(--radius-base);
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq summary {
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.faq details[open] {
    border-color: var(--color-primary);
    box-shadow: 0 16px 32px rgba(11, 31, 58, 0.08);
}

.section.cta {
    text-align: center;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.16), rgba(11, 31, 58, 0.18));
    color: #fff;
}

.section.cta p {
    max-width: 58ch;
    margin: 0 auto 2rem;
}

.contact {
    display: grid;
    gap: 2.5rem;
}

.contact-form {
    display: grid;
    gap: 1.25rem;
}

.form-group {
    display: grid;
    gap: 0.55rem;
}

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

input,
textarea {
    padding: 0.9rem 1rem;
    border-radius: 0.7rem;
    border: 1px solid var(--color-border);
    background: #fff;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    font: inherit;
}

input:focus,
textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

textarea {
    resize: vertical;
}

.contact-info {
    background: rgba(37, 99, 235, 0.06);
    border-radius: var(--radius-base);
    padding: 2rem;
    border: 1px solid rgba(37, 99, 235, 0.15);
}

.contact-info ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    display: grid;
    gap: 0.85rem;
}

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

.site-footer {
    background: var(--color-secondary);
    color: #fff;
    padding: 2.2rem 0;
}

.footer-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1.2rem;
    align-items: center;
}

.footer-grid a {
    color: #fff;
    margin-left: 1rem;
    font-weight: 600;
}

.legal {
    background: #fff;
    color: var(--color-dark);
}

.cookie-banner {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    border-radius: var(--radius-base);
    box-shadow: 0 20px 40px rgba(11, 31, 58, 0.18);
    padding: 1.2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: min(90vw, 420px);
    z-index: 30;
    border: 1px solid rgba(11, 31, 58, 0.08);
}

.cookie-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

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

@media (min-width: 600px) {
    .benefits-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 768px) {
    .primary-nav {
        position: static;
        transform: none;
        background: transparent;
    }

    .primary-nav ul {
        flex-direction: row;
        align-items: center;
        padding: 0;
        gap: 1.75rem;
    }

    .primary-nav a {
        color: var(--color-dark);
        font-size: 0.98rem;
    }

    .nav-toggle {
        display: none;
    }

    .hero-content {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .modules-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .charts-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .use-cases {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .testimonials {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pricing-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .contact {
        grid-template-columns: 1.15fr 0.85fr;
        align-items: start;
    }
}

@media (min-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .modules-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@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;
    }
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.hidden {
    display: none !important;
}