/* base.css — SelfHostVPS Terminal Dark design system */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; }
img, svg { max-width: 100%; height: auto; display: block; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 1.5rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ─── NAV ─────────────────────────────────────────────────────────────── */
.site-header {
  background: rgba(9, 9, 11, 0.92);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
/* Emerald top accent line */
.site-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
}
.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
  gap: 2rem;
}
.site-header .brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}
.brand-icon {
  width: 30px; height: 30px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 500;
  color: #09090b;
  flex-shrink: 0;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 0.1rem;
}
.site-header nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  transition: all 0.15s;
}
.site-header nav a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.header-cta {
  background: var(--color-primary) !important;
  color: #09090b !important;
  padding: 0.4rem 1rem !important;
  border-radius: 7px !important;
  font-weight: 700 !important;
  font-size: 0.85rem !important;
  letter-spacing: -0.01em !important;
}
.header-cta:hover {
  background: var(--color-primary-hover) !important;
  transform: none !important;
  box-shadow: var(--glow-primary) !important;
}

/* ─── LANGUAGE SWITCHER ──────────────────────────────────────────────── */
.lang-switcher {
  position: relative;
}
.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  border-radius: 7px;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.6rem;
  transition: all 0.15s;
  font-family: var(--font-mono);
}
.lang-btn:hover { border-color: rgba(16,185,129,0.4); color: #fff; }
.lang-btn[aria-expanded="true"] { border-color: var(--color-primary); color: #fff; }
.lang-arrow { font-size: 0.65rem; opacity: 0.6; }
.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #141416;
  border: 1px solid var(--color-border);
  border-radius: 9px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  list-style: none;
  margin: 0;
  padding: 0.4rem;
  min-width: 100px;
  z-index: 200;
  display: none;
}
.lang-dropdown.open { display: block; }
.lang-dropdown li a {
  display: block;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.83rem;
  font-weight: 500;
  transition: all 0.1s;
  white-space: nowrap;
}
.lang-dropdown li a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.lang-dropdown li a.active { color: var(--color-primary); font-weight: 700; }

/* ─── TRUST BAR ──────────────────────────────────────────────────────── */
.trust-bar {
  background: rgba(16, 185, 129, 0.04);
  border-bottom: 1px solid rgba(16, 185, 129, 0.1);
  padding: 0.55rem 0;
  font-size: 0.78rem;
  color: var(--color-text-subtle);
}
.trust-bar .container { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
.trust-item { display: flex; align-items: center; gap: 0.4rem; }
.trust-item svg { flex-shrink: 0; color: var(--color-primary); }

/* ─── FOOTER ──────────────────────────────────────────────────────────── */
.site-footer {
  background: #060608;
  border-top: 1px solid var(--color-border);
  padding: 3.5rem 0 2rem;
  margin-top: 5rem;
  color: var(--color-text-subtle);
  font-size: 0.875rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}
.footer-brand-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-brand-icon {
  width: 24px; height: 24px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: #09090b;
  font-weight: 700;
}
.footer-tagline { color: var(--color-text-subtle); font-size: 0.85rem; margin: 0 0 1.25rem; line-height: 1.5; max-width: 28ch; }
.footer-col h4 { color: var(--color-text-muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; margin: 0 0 0.75rem; }
.footer-col nav { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-col nav a { color: var(--color-text-subtle); text-decoration: none; font-size: 0.875rem; transition: color 0.15s; }
.footer-col nav a:hover { color: var(--color-text); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy { color: var(--color-text-subtle); font-size: 0.78rem; margin: 0; }

/* AI badge */
.footer-ai-badge { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.ai-badge-label { font-size: 0.72rem; color: var(--color-text-subtle); white-space: nowrap; }
.ai-tools { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.ai-tools span {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 99px;
  padding: 2px 8px;
  font-size: 0.7rem;
  color: var(--color-text-subtle);
}

/* ─── HERO (article pages) ─────────────────────────────────────────── */
.hero {
  padding: 3.5rem 0 2.5rem;
  background: linear-gradient(160deg, rgba(16,185,129,0.05) 0%, transparent 60%);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}
.hero .eyebrow {
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  margin: 0 0 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.hero .eyebrow::before { content: '>'; opacity: 0.5; }
.hero h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.8rem);
  margin: 0 0 1rem;
  max-width: 22ch;
  margin-inline: auto;
  color: #fff;
}
.hero .lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin: 0 auto 1.5rem;
  line-height: 1.65;
}

/* ─── BUTTONS ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #09090b;
  font-weight: 700;
  box-shadow: 0 0 0 0 rgba(var(--color-primary-rgb), 0.3);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #09090b;
  box-shadow: var(--glow-primary);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover { color: #fff; border-color: var(--color-primary); background: rgba(16,185,129,0.05); }
.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.09); border-color: var(--color-border-strong); }
.btn-lg { padding: 0.85rem 2rem; font-size: 1.05rem; border-radius: var(--radius-lg); }

/* ─── COMPARISON TABLE ────────────────────────────────────────────────── */
.comparison-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  margin: 1.5rem 0;
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}
.comparison-table th,
.comparison-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.comparison-table thead th {
  background: rgba(255,255,255,0.03);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-subtle);
  font-weight: 500;
}
.comparison-table tbody tr { transition: background 0.12s; }
.comparison-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.comparison-table tbody tr:last-child td,
.comparison-table tbody tr:last-child th { border-bottom: none; }
.comparison-table tbody tr.featured {
  background: rgba(16, 185, 129, 0.04);
  border-left: 2px solid var(--color-primary);
}
.comparison-table .product-name {
  display: flex; align-items: center; gap: 0.75rem;
  font-weight: 700; min-width: 140px; color: #fff;
}
.comparison-table .badge {
  display: inline-block;
  background: var(--color-primary);
  color: #09090b;
  padding: 2px 8px;
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.comparison-table .stars { color: #f59e0b; letter-spacing: 1px; }
.comparison-table .rating-num { margin-left: 4px; font-family: var(--font-mono); font-size: 0.9rem; color: var(--color-text); }
.comparison-table .price {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 1rem;
  white-space: nowrap;
}
.comparison-table .pros ul { margin: 0; padding-left: 1rem; }
.comparison-table .pros li { font-size: 0.83rem; margin-bottom: 2px; color: var(--color-text-muted); }
.comparison-table .cta { white-space: nowrap; }
.comparison-table .btn {
  font-size: 0.82rem;
  padding: 0.4rem 0.9rem;
}

/* ─── CARDS ───────────────────────────────────────────────────────────── */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  border-color: rgba(16,185,129,0.25);
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
}

/* ─── FAQ ─────────────────────────────────────────────────────────────── */
.faq { margin: 3rem 0; }
.faq h2 { margin-bottom: 1.5rem; color: #fff; }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.5rem;
  background: var(--color-bg-card);
  overflow: hidden;
  transition: border-color 0.15s;
}
.faq-item:hover { border-color: var(--color-border-strong); }
.faq-item summary {
  padding: 1rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--color-primary);
  line-height: 1;
  flex-shrink: 0;
  margin-left: 1rem;
}
.faq-item[open] summary::after { content: '-'; }
.faq-answer { padding: 0 1.5rem 1.25rem; color: var(--color-text-muted); line-height: 1.7; }

/* ─── PROSE ────────────────────────────────────────────────────────────── */
.prose { max-width: 72ch; margin-inline: auto; }
.prose p { margin: 0 0 1rem; line-height: 1.75; color: var(--color-text-muted); }
.prose h2 { margin-top: 3rem; margin-bottom: 1rem; font-size: 1.5rem; color: #fff; }
.prose h3 { margin-top: 2rem; margin-bottom: 0.75rem; color: #fff; }
.prose ul, .prose ol { padding-left: 1.5rem; margin: 0 0 1rem; }
.prose li { margin-bottom: 0.4rem; line-height: 1.7; color: var(--color-text-muted); }
.prose a { color: var(--color-primary); font-weight: 500; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.9rem; }
.prose th, .prose td { padding: 0.6rem 0.9rem; border: 1px solid var(--color-border); text-align: left; color: var(--color-text); }
.prose thead th { background: var(--color-bg-elevated); font-weight: 700; font-family: var(--font-mono); font-size: 0.8rem; }
.prose blockquote {
  border-left: 2px solid var(--color-primary);
  padding: 0.5rem 1rem;
  color: var(--color-text-muted);
  margin: 1.5rem 0;
  background: rgba(16,185,129,0.04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  color: var(--color-accent);
}

/* ─── SECTION HEADERS ─────────────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 2.5rem; }
.section-header .label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.section-header h2 { font-size: clamp(1.5rem, 2.5vw, 2.1rem); margin: 0 0 0.5rem; color: #fff; }
.section-header p { color: var(--color-text-muted); font-size: 1.05rem; margin: 0; }

/* ─── DISCLOSURE ──────────────────────────────────────────────────────── */
.disclosure {
  background: rgba(245, 158, 11, 0.07);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1rem;
  font-size: 0.82rem;
  color: #d97706;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ─── TERMINAL PROMPT ELEMENT ─────────────────────────────────────────── */
.terminal-prompt {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.terminal-prompt .ps1 { color: var(--color-primary); }
.terminal-prompt .cmd { color: var(--color-accent); }

/* ─── STATUS DOT ──────────────────────────────────────────────────────── */
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.green { background: var(--color-primary); box-shadow: 0 0 6px var(--color-primary); }
.status-dot.amber { background: var(--color-warning); }
.status-dot.red { background: var(--color-danger); }

/* ─── RESPONSIVE ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .site-header nav .header-cta { display: none; }
  .hero h1 { font-size: 1.7rem; }
  .comparison-table-wrap { border-radius: var(--radius-md); }
}