:root {
    --bg: #070b0f;
    --panel: #0e1520;
    --border: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(56, 217, 230, 0.35);
    --text-primary: #ecf3ff;
    --text-body: #c2d4ea;
    --text-meta: #95a9c6;
    --accent: #38d9e6;
    --accent2: #4fd1c5;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Inter", "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top right, rgba(56, 217, 230, 0.12), transparent 42%),
        linear-gradient(180deg, #070b0f, #080d13);
    color: var(--text-primary);
}

.shell {
    max-width: 1120px;
    margin: 0 auto;
    padding: 28px 22px 96px;
}

/* ---- Topbar ---- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 40px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: 0.01em;
}

.brand img { width: 34px; height: 34px; }

.back-link {
    color: var(--text-meta);
    text-decoration: none;
    font-size: 0.92rem;
    transition: color 0.15s ease;
}

.back-link:hover { color: var(--accent); }

/* ---- Hero ---- */
.hero {
    margin-bottom: 56px;
    display: grid;
    gap: 16px;
}

.breadcrumbs {
    display: inline-flex;
    gap: 0.55rem;
    align-items: center;
    margin: 0 0 4px;
    padding: 0;
    list-style: none;
    color: var(--text-meta);
    font-size: 0.8rem;
}

.breadcrumbs a {
    color: var(--text-meta);
    text-decoration: none;
    transition: color 0.15s ease;
}

.breadcrumbs a:hover { color: var(--accent); }

.eyebrow {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent2);
    font-weight: 700;
}

h1 {
    margin: 0;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.subtitle {
    margin: 0;
    color: var(--text-body);
    max-width: 64ch;
    line-height: 1.72;
    font-size: 1rem;
}

.hero-stats {
    color: var(--text-meta);
    font-size: 0.8rem;
    letter-spacing: 0.02em;
}

/* ---- Grid ---- */
.grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

/* ---- Card ---- */
.card {
    background: linear-gradient(160deg, rgba(16, 24, 36, 0.98), rgba(10, 17, 27, 0.97));
    border: 1px solid var(--border);
    border-top: 1px solid rgba(56, 217, 230, 0.28);
    border-radius: 14px;
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-height: 220px;
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
    transform: translateY(-3px);
    border-color: var(--border-accent);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(56, 217, 230, 0.1);
}

/* ---- Featured card ---- */
.card--featured {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(18, 28, 44, 0.98), rgba(12, 20, 32, 0.97));
    border-top-color: rgba(56, 217, 230, 0.5);
    min-height: auto;
}

.card--featured h2 {
    font-size: 1.55rem !important;
    letter-spacing: -0.02em !important;
}

/* ---- Card internals ---- */
.card-tag {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tag {
    border: 1px solid rgba(56, 217, 230, 0.3);
    background: rgba(56, 217, 230, 0.08);
    color: #9eecf4;
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.featured-badge {
    background: rgba(56, 217, 230, 0.12);
    border: 1px solid rgba(56, 217, 230, 0.4);
    color: var(--accent);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 0.63rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.card h2 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.card > p {
    margin: 0;
    color: var(--text-body);
    line-height: 1.65;
    font-size: 0.93rem;
    flex-grow: 1;
}

/* ---- Card footer ---- */
.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.card-meta {
    color: var(--text-meta);
    font-size: 0.78rem;
    line-height: 1.4;
}

.card-cta {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--accent);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.card-cta .arrow {
    display: inline-block;
    transition: transform 0.15s ease;
}

.card:hover .card-cta .arrow {
    transform: translateX(4px);
}

/* ---- Entry animation ---- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

.card { animation: fadeUp 0.38s ease both; }
.card:nth-child(2) { animation-delay: 0.06s; }
.card:nth-child(3) { animation-delay: 0.12s; }
.card:nth-child(4) { animation-delay: 0.18s; }
.card:nth-child(5) { animation-delay: 0.24s; }

/* ---- Responsive ---- */
@media (max-width: 700px) {
    .grid { grid-template-columns: 1fr; }
    .card--featured { grid-column: auto; }
    h1 { font-size: 1.9rem; }
}