/* nginx-certbot-guide.css — Nginx / Certbot setup guide (based on fintech-wave-vps-installer) */

:root {
  --bg-base:      #080d14;
  --bg-surface:   #0d1622;
  --bg-card:      #111b2a;
  --border:       #1e3050;
  --accent-cyan:  #00d4e8;
  --accent-gold:   #f5c842;
  --accent-red:   #e63946;
  --text-primary: #e8f0fe;
  --text-muted:   #6a85a8;
  --font-display: 'Orbitron', sans-serif;
  --font-body:    'Exo 2', sans-serif;
  --radius:       8px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
}

/* Grid overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,212,232,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,232,0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}

/* ── Header ── */
.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-img {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-cyan);
  object-fit: cover;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-shadow: 0 0 12px rgba(0,212,232,0.4);
  letter-spacing: 0.06em;
}
.btn-yt {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--accent-red);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 7px 16px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.btn-yt:hover {
  background: #c1121f;
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(230,57,70,0.45);
}
.yt-icon { width: 15px; height: 15px; }

/* ── Main ── */
.page-wrap {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 52px 24px 64px;
}

/* ── Hero title ── */
.hero {
  margin-bottom: 40px;
  animation: fadeUp 0.6s ease both;
}
.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  color: #fff;
  letter-spacing: 0.04em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.hero-title span { color: var(--accent-cyan); }
.hero-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  border-left: 3px solid var(--accent-cyan);
  padding-left: 16px;
}

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}

/* ── Section heading ── */
.section-heading {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-heading .icon { font-size: 1.1rem; }

/* ── Install table ── */
.install-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 8px;
  animation: fadeUp 0.7s ease 0.1s both;
}
.install-table thead tr {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}
.install-table thead th {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 12px 16px;
  text-align: left;
}
.install-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.18s;
}
.install-table tbody tr:last-child { border-bottom: none; }
.install-table tbody tr:hover { background: rgba(0,212,232,0.04); }
.install-table td {
  padding: 14px 16px;
  vertical-align: middle;
}
.install-table code {
  background: var(--bg-surface);
  color: var(--accent-cyan);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.88rem;
}
.tool-name {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.tool-name .t-icon { font-size: 1.1rem; }
.tool-purpose {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ── Info card ── */
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 8px;
  animation: fadeUp 0.7s ease 0.2s both;
}
.info-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.info-card p:last-child { margin-bottom: 0; }
.info-card strong { color: var(--text-primary); }
.info-card .code-inline {
  color: var(--accent-cyan);
  background: var(--bg-surface);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.85rem;
  white-space: nowrap;
}
.info-card kbd {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: var(--font-body);
  font-size: 0.8rem;
}
.os-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 12px;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
}

/* ── Code block (multi-line) ── */
.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 16px 0 24px;
  overflow-x: auto;
  animation: fadeUp 0.7s ease 0.15s both;
}
.code-block code {
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-primary);
  white-space: pre;
}

/* ── Steps list (info card with commands) ── */
.info-card.steps-list .code-inline {
  display: block;
  white-space: normal;
  margin-top: 4px;
}

/* ── Digest layout (moved from EJS inline styles) ── */
.digest-header { text-align: center; margin: 30px 0 20px; }
.digest-header h1 {
  font-family: 'Orbitron', sans-serif;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}
.digest-meta { color: var(--text-muted); font-size: 0.95em; margin-bottom: 20px; }
.opening, .closing { margin: 25px 0; font-size: 1.05em; line-height: 1.7; }
.highlights { list-style: none; padding: 0; }
.highlight-item {
  margin: 20px 0;
  padding: 15px;
  background: rgba(0, 212, 232, 0.04);
  border-radius: 8px;
  border-left: 4px solid var(--accent-cyan);
}
.highlight-title { font-size: 1.2em; margin: 0 0 8px; }
.highlight-title a { color: var(--accent-cyan); text-decoration: none; }
.highlight-meta { color: var(--text-muted); font-size: 0.9em; margin-bottom: 10px; }
.insight { font-style: italic; color: var(--text-muted); margin-top: 10px; display: block; }

/* ── Upgrade Box & Button ── */
.upgrade-box {
  background: var(--bg-card);
  border: 1px solid var(--accent-cyan);
  color: white;
  padding: 24px;
  border-radius: 8px;
  text-align: center;
  margin: 30px 0;
}
.upgrade-box p {
  margin-bottom: 15px;
}

.btn-upgrade {
  background: #7d2aad;
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-upgrade:hover {
  background: #9436c9;
  transform: translateY(-2px);
}
.btn-upgrade:active {
  background: #540582;
  transform: translateY(0);
}
.btn-upgrade:disabled {
  background: #444;
  cursor: not-allowed;
}

/* ── Footer ── */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}
.footer-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-copy {
  font-size: 0.65rem;
  color: var(--text-muted);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent-gold); }

/* ── Download CTA (bottom right, below last section) ── */
.download-cta {
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  flex-wrap: wrap;
  animation: fadeUp 0.7s ease 0.2s both;
}
.download-cta-text {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.download-cta .btn-download {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--accent-cyan);
  color: #000;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  padding: 14px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}
.download-cta .btn-download:hover {
  background: #00eeff;
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0,212,232,0.45);
}
.download-cta .btn-download svg { width: 16px; height: 16px; }

/* ── Animation ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}