* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
    background: radial-gradient(ellipse at 50% 20%, #020617 0%, #020617 30%, #020617 100%);
    color: #f5f5f7;
    min-height: 100vh;
}

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

/* Nav */
.nav {
    max-width: 1120px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 6px;
}

.logo-mark {
    font-size: 18px;
    color: #5ac8fa;
}

.logo-text {
    font-weight: 600;
    letter-spacing: 0.08em;
    font-size: 14px;
}

.nav-links a {
    margin-left: 18px;
    font-size: 14px;
    color: #a1a1aa;
    transition: color 0.18s ease;
}

.nav-links a:hover {
    color: #ffffff;
}

.nav-links a.active {
    color: #ffffff;
}

/* Hero */
.catalog-hero {
    max-width: 1120px;
    margin: 40px auto 20px;
    padding: 0 20px;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 11px;
    color: #9ca3af;
    margin-bottom: 10px;
}

.catalog-hero h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.subcopy {
    font-size: 15px;
    color: #d4d4d8;
    max-width: 520px;
}

/* Models list */
.catalog-list {
    max-width: 1120px;
    margin: 28px auto 40px;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.model {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(220px, 2fr);
    gap: 28px;
    padding: 20px 18px;
    border-radius: 22px;
    background: radial-gradient(circle at top left, rgba(63,63,70,0.4), rgba(24,24,27,0.96));
    border: 1px solid rgba(39,39,42,0.9);
    box-shadow:
        0 20px 40px rgba(0,0,0,0.55),
        0 0 0 1px rgba(82,82,91,0.28);
    align-items: center;
}

.model-info h2 {
    font-size: 20px;
    margin-bottom: 4px;
}

.tag {
    font-size: 12px;
    color: #a5b4fc;
    margin-bottom: 10px;
}

.tag.hot {
    color: #f97316;
}

.desc {
    font-size: 14px;
    color: #e5e7eb;
    margin-bottom: 10px;
}

.bullets {
    list-style: none;
    padding-left: 0;
    margin-bottom: 10px;
    font-size: 13px;
    color: #d4d4d8;
}

.bullets li + li {
    margin-top: 4px;
}

.link-cta {
    font-size: 13px;
    color: #60a5fa;
}

/* Visuals */
.model-visual {
    display: flex;
    justify-content: flex-end;
}

.device-card {
    width: 210px;
    height: 140px;
    border-radius: 20px;
    padding: 12px 14px;
    background: linear-gradient(150deg, #020617 0%, #020617 40%, #111827 100%);
    box-shadow:
        0 22px 40px rgba(0,0,0,0.6),
        0 0 0 1px rgba(15,23,42,0.9);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.device-card.small {
    width: 180px;
    height: 120px;
}

.device-card.large {
    width: 230px;
    height: 150px;
}

.device-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(255,255,255,0.12), transparent 55%, rgba(255,255,255,0.03));
    opacity: 0.14;
    pointer-events: none;
}

.chip {
    font-size: 11px;
    padding: 4px 9px;
    border-radius: 999px;
    background: rgba(37,99,235,0.25);
    color: #bfdbfe;
    align-self: flex-start;
    position: relative;
    z-index: 1;
}

.device-card .line {
    font-size: 13px;
    color: #9ca3af;
    position: relative;
    z-index: 1;
}

.device-card .line-strong {
    font-family: "SF Mono", ui-monospace, Menlo, monospace;
    font-size: 18px;
    color: #e5e7eb;
    text-shadow: 0 0 16px rgba(96,165,250,0.4);
    position: relative;
    z-index: 1;
}

.device-card .line-soft {
    font-size: 11px;
    color: #a1a1aa;
    position: relative;
    z-index: 1;
}

/* Footer */
.site-footer {
    max-width: 1120px;
    margin: 0 auto 16px;
    padding: 12px 20px;
    font-size: 12px;
    color: #71717a;
    border-top: 1px solid rgba(39,39,42,0.9);
}

/* Responsive */
@media (max-width: 880px) {
    .model {
        grid-template-columns: minmax(0,1fr);
    }
    
    .model-visual {
        justify-content: flex-start;
    }
}