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

:root {
    --color-bg: #060b16;
    --color-card: rgba(12, 18, 32, 0.9);
    --color-primary: #3be5c0;
    --color-secondary: #8f9bff;
    --color-accent: #a6ff60;
    --color-text: #f3f6ff;
    --color-muted: #aab3d8;
    --color-border: rgba(255, 255, 255, 0.08);
    --max-width: 1200px;
}

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

body {
    margin: 0;
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

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

a:hover {
    text-decoration: underline;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: -999px;
    background: var(--color-primary);
    color: #011;
    padding: 8px 16px;
    z-index: 1000;
}

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

.site-header {
    background: rgba(4, 8, 20, 0.9);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 999;
    backdrop-filter: blur(12px);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 16px 24px;
    gap: 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    color: var(--color-text);
}

.logo__img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 0 14px rgba(59, 229, 192, 0.35);
}

.site-nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}

.site-nav a {
    font-weight: 500;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
}

.site-nav a.is-active {
    border-color: var(--color-primary);
}

.nav-toggle {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.nav-toggle__label {
    display: none;
}

.site-main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 24px;
}

section {
    margin-bottom: 88px;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.8rem, 2.4vw, 2.6rem);
    margin-bottom: 24px;
}

.hero {
    background: radial-gradient(circle at top right, rgba(59, 229, 192, 0.25), transparent),
        linear-gradient(135deg, rgba(143, 155, 255, 0.15), rgba(6, 11, 22, 0.9));
    border: 1px solid var(--color-border);
    border-radius: 32px;
    padding: 64px;
    position: relative;
    overflow: hidden;
}

.hero::after,
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0, rgba(255, 255, 255, 0.03) 1px, transparent 1px, transparent 60px);
    mix-blend-mode: lighten;
    pointer-events: none;
}

.hero::before {
    background: radial-gradient(circle at 70% 20%, rgba(166, 255, 96, 0.4), transparent 45%);
    filter: blur(80px);
}

.hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    margin-bottom: 16px;
}

.eyebrow {
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    color: var(--color-muted);
    margin-bottom: 12px;
    display: block;
}

.stat-list {
    list-style: none;
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    padding: 0;
    margin: 32px 0 0;
    color: var(--color-muted);
}

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

.stat-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
    position: absolute;
    left: 0;
    top: 8px;
}

.hero p {
    color: var(--color-muted);
    max-width: 580px;
    font-size: 1.05rem;
}

.hero__cta {
    margin-top: 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    padding: 14px 32px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn--primary {
    background: linear-gradient(120deg, var(--color-primary), var(--color-accent));
    color: #04101c;
    box-shadow: 0 12px 32px rgba(59, 229, 192, 0.35);
}

.btn--ghost {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.btn:hover {
    transform: translateY(-2px);
}

.grid {
    display: grid;
    gap: 24px;
}

.grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
    background: var(--color-card);
    border-radius: 24px;
    padding: 24px;
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(59, 229, 192, 0.15), transparent 60%);
    pointer-events: none;
}

.icon-card__image {
    width: 48px;
    height: 48px;
    overflow: hidden;
    border-radius: 12px;
    margin-bottom: 16px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.process-step {
    background: rgba(10, 20, 38, 0.8);
    border-radius: 20px;
    padding: 24px;
    border: 1px solid var(--color-border);
}

.process-step h4 {
    margin-top: 12px;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.forms-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

form {
    display: grid;
    gap: 16px;
}

label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--color-border);
    background: rgba(6, 11, 22, 0.8);
    color: var(--color-text);
    font-size: 1rem;
}

textarea {
    resize: vertical;
    min-height: 140px;
}

.checkbox-field {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 0.95rem;
}

.checkbox-field input {
    margin-top: 4px;
}

.faq-list details {
    background: rgba(10, 18, 36, 0.8);
    padding: 18px 24px;
    border-radius: 18px;
    border: 1px solid var(--color-border);
}

.faq-list summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
}

.faq-list details + details {
    margin-top: 12px;
}

.policies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.policies-grid a {
    display: block;
    padding: 18px;
    border-radius: 18px;
    background: rgba(19, 32, 56, 0.85);
    border: 1px solid var(--color-border);
    font-weight: 600;
}

.site-footer {
    margin-top: 64px;
    padding: 48px 24px;
    background: linear-gradient(120deg, rgba(20, 34, 58, 0.95), rgba(4, 8, 18, 0.95));
    border-top: 1px solid var(--color-border);
    color: var(--color-text);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    max-width: var(--max-width);
    margin: 0 auto 24px;
}

.site-footer__label {
    font-weight: 600;
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 8px;
}

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

.footer-links li + li {
    margin-top: 8px;
}

.site-footer__copy {
    text-align: center;
    margin: 0;
}

.cookie-banner {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 16px;
    background: rgba(5, 10, 22, 0.95);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 20px;
    display: none;
    flex-direction: column;
    gap: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    z-index: 1000;
}

.cookie-banner.is-visible {
    display: flex;
}

.cookie-banner p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-muted);
}

.cookie-banner .btn {
    align-self: flex-start;
}

.courses-hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    align-items: center;
}

.course-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.course-card {
    padding: 24px;
    border-radius: 24px;
    border: 1px solid var(--color-border);
    background: rgba(7, 12, 24, 0.85);
}

.course-card h3 {
    margin-top: 16px;
    margin-bottom: 12px;
}

.course-card ul {
    padding-left: 20px;
    color: var(--color-muted);
}

.insights {
    margin-bottom: 88px;
}

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

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

.insights__cta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.insight-card {
    background: rgba(7, 13, 26, 0.85);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 20px;
}

.insight-card h3 {
    margin-top: 16px;
    margin-bottom: 12px;
}

.insight-card img {
    border-radius: 16px;
}

.article-highlight__inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    align-items: center;
}

.article-highlight__inner img {
    border-radius: 20px;
}

.course-detail__meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 32px 0;
}

.policy-page h2 {
    margin-top: 32px;
}

@media (max-width: 960px) {
    .site-header__inner {
        flex-wrap: wrap;
    }

    .nav-toggle__label {
        display: inline-flex;
        flex-direction: column;
        gap: 4px;
        cursor: pointer;
    }

    .nav-toggle__label span {
        width: 30px;
        height: 2px;
        background: var(--color-text);
        display: block;
    }

    .nav-toggle__text {
        font-size: 0.7rem;
        letter-spacing: 0.04em;
        color: var(--color-muted);
    width: auto;
    height: auto;
    background: none;
    }

    .site-nav {
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-toggle:checked ~ .site-nav {
        max-height: 400px;
    }

    .site-nav ul {
        flex-direction: column;
        padding-bottom: 16px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 36px;
    }

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

    section {
        margin-bottom: 64px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 0.95rem;
    }

    .site-main {
        padding: 16px;
    }

    .card,
    .process-step {
        padding: 18px;
    }
}