:root {
    --bg: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #6b7280;
    --card: #ffffff;
    --shadow: 0 18px 35px rgba(15, 23, 42, 0.12);
    --accent-start: #4f46e5;
    --accent-end: #7c3aed;
}

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

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

.en-subtitle {
    font-size: 0.9em;
    opacity: 0.82;
    margin-top: 0.15rem;
    margin-bottom: 0;
}

a {
    color: inherit;
}

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hero {
    background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
    color: #f8fafc;
    padding: 2.4rem 1.25rem 2rem;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    color: #f8fafc;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.24);
}

.back-link:hover {
    background: rgba(255, 255, 255, 0.2);
}

.hero h1 {
    margin: 0 0 0.3rem;
    font-size: clamp(1.9rem, 3vw, 2.4rem);
}

.hero p {
    margin: 0 0 0.7rem;
    color: #e5e7eb;
}

.tagline {
    font-size: 1.05rem;
    opacity: 0.92;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: #f8fafc;
    font-weight: 600;
    font-size: 0.92rem;
    border: 1px solid rgba(255, 255, 255, 0.22);
    margin-bottom: 0.9rem;
}

.hero-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-top: 1.1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.35rem;
    border-radius: 10px;
    font-weight: 700;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.14s ease, box-shadow 0.18s ease, opacity 0.14s ease;
}

.btn-primary {
    background: #111827;
    color: #f8fafc;
    box-shadow: 0 15px 30px rgba(15, 23, 42, 0.35);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.12);
    color: #f8fafc;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn:hover {
    transform: translateY(-1px);
    opacity: 0.96;
}

.main {
    flex: 1;
    padding: 2.5rem 0 2.8rem;
}

.grid {
    display: grid;
    gap: 1.4rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
    background: var(--card);
    border-radius: 14px;
    padding: 1.4rem 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid #e5e7eb;
}

.card h3 {
    margin: 0 0 0.6rem;
    font-size: 1.1rem;
}

.card p {
    margin: 0 0 0.8rem;
    color: var(--text-muted);
}

.list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.5rem;
}

.list li {
    display: flex;
    gap: 0.4rem;
    align-items: flex-start;
    color: var(--text-muted);
}

.list strong {
    color: var(--text-main);
}

.meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pill {
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    background: #e0e7ff;
    color: #312e81;
    font-weight: 600;
    font-size: 0.9rem;
}

.metrics {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.metric {
    background: #0f172a;
    color: #f8fafc;
    border-radius: 12px;
    padding: 1rem 1.1rem;
}

.metric .value {
    font-weight: 800;
    font-size: 1.4rem;
}

.metric .label {
    opacity: 0.8;
    margin-top: 0.2rem;
}

.visual {
    height: 220px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.15), rgba(124, 58, 237, 0.08));
    border: 1px dashed #cbd5e1;
    display: grid;
    place-items: center;
    color: #475569;
    font-weight: 600;
}

.footer {
    padding: 1.8rem 0 2.2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
}

@media (max-width: 640px) {
    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }
}