:root {
    --bg: #0b1220;
    --bg-soft: #111a2c;
    --card: rgba(255, 255, 255, 0.04);
    --card-border: rgba(255, 255, 255, 0.12);
    --text: #d9e1ef;
    --muted: #8fa2c3;
    --primary: #38bdf8;
    --accent: #f59e0b;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Manrope", "Segoe UI", sans-serif;
    background:
        radial-gradient(1200px 600px at 0% -20%, rgba(56, 189, 248, 0.15), transparent 55%),
        radial-gradient(1000px 500px at 100% 0%, rgba(245, 158, 11, 0.12), transparent 50%),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
}

a {
    color: inherit;
}

.site-shell {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
}

.top-nav {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(12px);
    background: rgba(11, 18, 32, 0.82);
    border-bottom: 1px solid rgba(143, 162, 195, 0.15);
}

.top-nav-inner {
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
    font-size: 1.7rem;
    line-height: 1;
    letter-spacing: 0.04em;
    color: white;
    text-decoration: none;
}

.menu {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.menu a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.92rem;
    padding: 0.5rem 0.7rem;
    border-radius: 10px;
    transition: 0.2s;
}

.menu a:hover,
.menu a.active {
    color: white;
    background: rgba(56, 189, 248, 0.14);
}

.lang-select {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--card-border);
    color: white;
    border-radius: 8px;
    padding: 0.35rem 0.5rem;
}

.mobile-toggle {
    display: none;
}

.mobile-panel {
    display: none;
}

.hero {
    padding: 5.5rem 0 4rem;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: center;
}

.kicker {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 700;
}

h1,
h2,
h3 {
    margin: 0;
}

.hero h1 {
    margin-top: 0.6rem;
    font-size: clamp(2rem, 5vw, 4.4rem);
    line-height: 1.05;
    font-family: "Space Grotesk", sans-serif;
}

.accent {
    color: var(--accent);
}

.lead {
    color: var(--muted);
    line-height: 1.7;
    margin: 1rem 0 1.5rem;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.btn {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    border-radius: 12px;
    padding: 0.72rem 1rem;
    border: 1px solid transparent;
    font-weight: 600;
    transition: 0.2s;
}

.btn-primary {
    background: linear-gradient(100deg, #0ea5e9, #22d3ee);
    color: #071018;
}

.btn-secondary {
    background: transparent;
    border-color: var(--card-border);
    color: white;
}

.btn:hover {
    transform: translateY(-1px);
}

.card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 1rem;
}

.profile-visual-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.profile-visual {
    width: 190px;
    height: 190px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 2px solid rgba(143, 162, 195, 0.35);
}

.stats {
    margin-top: 1.4rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
}

.stat-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(143, 162, 195, 0.2);
    border-radius: 12px;
    padding: 0.75rem;
}

.stat-box strong {
    display: block;
    font-size: 1.4rem;
}

.section {
    padding: 2.2rem 0;
}

.section-title {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.7rem;
    margin-bottom: 1rem;
}

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

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

.item-title {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.item-meta {
    font-size: 0.88rem;
    color: var(--primary);
}

.item-text {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.item-list {
    margin: 0.6rem 0 0;
    padding-left: 1.1rem;
    color: var(--muted);
    line-height: 1.55;
}

.item-list li {
    margin-bottom: 0.35rem;
}

.cert-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    text-decoration: none;
}

.cert-link-meta {
    font-size: 0.78rem;
    color: var(--primary);
    opacity: 0.45;
    transition: opacity 0.2s ease;
}

.cert-link:hover .cert-link-meta,
.cert-link:focus-visible .cert-link-meta {
    opacity: 1;
}

.section-cta {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
}

.footer {
    padding: 2rem 0 2.5rem;
    color: var(--muted);
    font-size: 0.88rem;
    text-align: center;
}

.footer-legal {
    margin-top: 0.8rem;
    font-size: 0.78rem;
}

.footer-legal a {
    color: rgba(143, 162, 195, 0.72);
    text-decoration: none;
}

.footer-legal a:hover {
    color: rgba(143, 162, 195, 0.95);
    text-decoration: underline;
}

@media (max-width: 880px) {
    .brand {
        font-size: 1.35rem;
    }

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

    .menu {
        display: none;
    }

    .mobile-toggle {
        display: inline-flex;
        width: 38px;
        height: 38px;
        border-radius: 10px;
        border: 1px solid var(--card-border);
        align-items: center;
        justify-content: center;
        background: transparent;
        color: white;
    }

    .mobile-panel.open {
        display: grid;
        gap: 0.4rem;
        margin-bottom: 0.9rem;
    }

    .mobile-panel a {
        text-decoration: none;
        color: var(--muted);
        border: 1px solid var(--card-border);
        border-radius: 8px;
        padding: 0.55rem 0.7rem;
    }

    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }

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