:root {
    --bg: #050807;
    --panel: rgba(6, 16, 10, 0.78);
    --panel-strong: rgba(9, 24, 15, 0.92);
    --line: rgba(34, 197, 94, 0.22);
    --text: #c7f9d4;
    --muted: rgba(199, 249, 212, 0.66);
    --neon: #6ee7b7;
    --accent: #22c55e;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(900px 520px at 80% -10%, rgba(34, 197, 94, 0.12), transparent 60%),
        linear-gradient(180deg, #030504, var(--bg));
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

a { color: inherit; }

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    padding: 16px 20px;
    background: rgba(3, 5, 4, 0.9);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(10px);
}

.brand,
.back-link {
    text-decoration: none;
    font-weight: 700;
}

.brand { color: var(--neon); }
.back-link { color: var(--muted); font-size: 13px; }
.back-link:hover { color: var(--neon); }

.hero {
    padding-top: 58px;
    padding-bottom: 32px;
}

.kicker {
    display: inline-flex;
    padding: 6px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--neon);
    background: rgba(34, 197, 94, 0.08);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

h1 {
    margin: 18px 0 14px;
    font-size: 38px;
    line-height: 1.12;
    letter-spacing: 0;
}

.hero p,
.catalog-head p,
.footer p {
    color: var(--muted);
    line-height: 1.7;
}

.hero p {
    max-width: 780px;
    font-size: 16px;
}

.catalog {
    padding-bottom: 48px;
}

.catalog-head {
    display: grid;
    grid-template-columns: 1fr minmax(240px, 360px);
    gap: 20px;
    align-items: end;
    margin-bottom: 18px;
}

h2 {
    margin: 0 0 8px;
    color: var(--neon);
    font-size: 24px;
    letter-spacing: 0;
}

.search-wrap input {
    width: 100%;
    padding: 13px 14px;
    border-radius: 6px;
    border: 1px solid var(--line);
    background: rgba(1, 8, 5, 0.75);
    color: var(--text);
    outline: none;
}

.search-wrap input:focus {
    border-color: rgba(110, 231, 183, 0.72);
}

.results-count {
    min-height: 18px;
    margin-top: 8px;
    color: var(--muted);
    font-size: 12px;
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 22px;
}

.filter-btn {
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: rgba(6, 16, 10, 0.72);
    color: var(--text);
    cursor: pointer;
    font: inherit;
}

.filter-btn.active,
.filter-btn:hover {
    border-color: rgba(110, 231, 183, 0.72);
    color: var(--neon);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.service-card {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: 0 20px 46px rgba(0, 0, 0, 0.34);
}

.card-main {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 12px;
}

.card-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: rgba(1, 8, 5, 0.55);
    font-size: 22px;
}

.service-card h3 {
    margin: 0 0 8px;
    color: var(--text);
    font-size: 16px;
    letter-spacing: 0;
}

.service-card p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.65;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.tags span {
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid rgba(34, 197, 94, 0.18);
    color: var(--muted);
    font-size: 11px;
    background: rgba(2, 10, 6, 0.7);
}

.card-action {
    display: inline-flex;
    justify-content: center;
    padding: 11px 12px;
    border-radius: 6px;
    border: 1px solid rgba(34, 197, 94, 0.35);
    background: rgba(34, 197, 94, 0.14);
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    font-size: 13px;
}

.card-action:hover {
    color: var(--neon);
    background: rgba(34, 197, 94, 0.2);
}

.empty-state {
    margin-top: 20px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--muted);
    background: var(--panel);
}

.footer {
    border-top: 1px solid var(--line);
    padding: 24px 0;
    background: rgba(3, 5, 4, 0.58);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
}

.footer a {
    color: var(--neon);
}

@media (max-width: 860px) {
    .catalog-head,
    .services-grid {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 30px;
    }
}

@media (max-width: 560px) {
    .topbar,
    .footer .container {
        align-items: flex-start;
        flex-direction: column;
    }

    .hero {
        padding-top: 38px;
    }
}