/* Nanobyte Security — "Terminal Noir" theme
   Save as: assets/css/nanobyte.css
   Loaded site-wide via `site-css` in _config.yml */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --nb-bg:        #0A0D0B;
  --nb-surface:   #0F1411;
  --nb-border:    #1F2A22;
  --nb-border-2:  #2A3A30;
  --nb-text:      #E6EDE8;
  --nb-text-2:    #A7B8AC;
  --nb-muted:     #7F9687;
  --nb-accent:    #4ADE80;
  --nb-accent-hi: #86EFAC;
  --nb-on-accent: #06140B;
  --nb-sans: 'IBM Plex Sans', system-ui, sans-serif;
  --nb-mono: 'JetBrains Mono', ui-monospace, monospace;
}

/* ---------- Site-wide overrides of Beautiful Jekyll ---------- */

body {
  background: var(--nb-bg);
  color: var(--nb-text);
  font-family: var(--nb-sans);
}
h1, h2, h3, h4, h5, h6 { font-family: var(--nb-sans); color: var(--nb-text); }
a { color: var(--nb-accent); }
a:hover, a:focus { color: var(--nb-accent-hi); }

/* Navbar and footer styles live in nanobyte-header.css (shared with the blog). */

/* ---------- Homepage ---------- */

.nb { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.nb section { padding: 72px 0; }
.nb p { color: var(--nb-text-2); line-height: 1.65; }

.nb-eyebrow {
  font-family: var(--nb-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--nb-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.nb h2 { font-size: 2.1rem; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 12px; }
.nb h3 { font-size: 1.35rem; font-weight: 600; margin: 0; }
.nb-lead { max-width: 640px; }

/* Buttons */
.nb-btn {
  display: inline-block;
  background: var(--nb-accent);
  color: var(--nb-on-accent) !important;
  font-weight: 600;
  padding: 14px 24px;
  border-radius: 6px;
  text-decoration: none !important;
  transition: background .15s;
}
.nb-btn:hover { background: var(--nb-accent-hi); }
.nb-link { font-family: var(--nb-mono); font-size: 0.9rem; text-decoration: none !important; }

/* Hero */
.nb-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding-top: 96px !important;
}
.nb-hero h1 {
  font-size: 3.2rem;
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.nb-hero p { font-size: 1.15rem; max-width: 520px; margin-bottom: 28px; }
.nb-actions { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }

/* Terminal card */
.nb-term {
  background: var(--nb-surface);
  border: 1px solid var(--nb-border);
  border-radius: 10px;
  overflow: hidden;
  font-family: var(--nb-mono);
  font-size: 0.82rem;
}
.nb-term-bar {
  display: flex; gap: 8px; align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--nb-border);
  color: #6F8577;
}
.nb-term-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--nb-border-2); }
.nb-term-bar em { font-style: normal; margin-left: 10px; }
.nb-term-body { padding: 22px; line-height: 1.9; color: var(--nb-text); }
.nb-term-body .p { color: var(--nb-accent); }
.nb-term-body .o { color: var(--nb-muted); }
.nb-cursor {
  display: inline-block; width: 8px; height: 1em;
  background: var(--nb-accent); margin-left: 6px; vertical-align: middle;
  animation: nb-blink 1s steps(1) infinite;
}
@keyframes nb-blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .nb-cursor { animation: none; } }

/* Cert strip */
.nb-certs {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  padding: 18px 22px;
  border: 1px solid var(--nb-border);
  border-radius: 8px;
  font-family: var(--nb-mono);
  font-size: 0.82rem;
}
.nb-certs .label { color: var(--nb-muted); margin-right: 6px; }
.nb-certs .cert { padding: 5px 10px; border: 1px solid var(--nb-border-2); border-radius: 4px; }
.nb-certs .cert.top { color: var(--nb-accent); border-color: var(--nb-accent); }
.nb-certs-note { font-size: 0.9rem; margin-top: 14px; max-width: 760px; }
.nb-section-tight { padding-top: 0 !important; }

/* Reasons */
.nb-reasons {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 28px;
}
.nb-reason { border-top: 2px solid var(--nb-border-2); padding-top: 14px; }
.nb-reason b {
  display: block; font-family: var(--nb-mono); font-size: 0.78rem;
  color: var(--nb-accent); letter-spacing: 0.06em; margin-bottom: 6px;
}
.nb-reason span { color: var(--nb-text-2); font-size: 0.95rem; line-height: 1.55; }

/* Cards */
.nb-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.nb-card {
  background: var(--nb-surface);
  border: 1px solid var(--nb-border);
  border-radius: 10px;
  padding: 28px;
  display: flex; flex-direction: column; gap: 12px;
}
.nb-card.featured { border-color: var(--nb-accent); }
.nb-tag { font-family: var(--nb-mono); font-size: 0.75rem; color: var(--nb-muted); }
.nb-card.featured .nb-tag { color: var(--nb-accent); }
.nb-card p { margin: 0; font-size: 0.95rem; }
.nb-card ul {
  list-style: none; padding: 0; margin: 4px 0 0;
  font-family: var(--nb-mono); font-size: 0.82rem; line-height: 1.9; color: #C9D6CD;
}
.nb-card li::before { content: "› "; color: var(--nb-accent); }
.nb-center { text-align: center; margin-top: 36px; }

/* About */
.nb-about { display: grid; grid-template-columns: 220px 1fr; gap: 40px; align-items: start; }
.nb-photo {
  width: 220px; aspect-ratio: 1; border-radius: 10px;
  border: 1px solid var(--nb-border); object-fit: cover; background: var(--nb-surface);
}

/* Process */
.nb-steps {
  list-style: none; padding: 0; margin: 28px 0 0;
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px;
  counter-reset: step;
}
.nb-steps li { border-top: 2px solid var(--nb-border-2); padding-top: 14px; counter-increment: step; }
.nb-steps li:first-child { border-color: var(--nb-accent); }
.nb-steps li::before {
  content: counter(step, decimal-leading-zero);
  display: block; font-family: var(--nb-mono); font-size: 0.75rem; color: var(--nb-muted); margin-bottom: 6px;
}
.nb-steps strong { display: block; font-weight: 500; margin-bottom: 6px; }
.nb-steps span { color: var(--nb-text-2); font-size: 0.85rem; line-height: 1.5; }

/* Testimonials */
.nb-quotes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 28px; }
.nb-quote {
  background: var(--nb-surface); border: 1px solid var(--nb-border); border-radius: 10px;
  padding: 28px; margin: 0;
}
.nb-quote p { color: var(--nb-text); font-size: 1.05rem; margin: 0 0 14px; }
.nb-quote cite { font-style: normal; font-family: var(--nb-mono); font-size: 0.8rem; color: var(--nb-muted); }

/* FAQ */
.nb-faq { max-width: 760px; margin-top: 20px; }
.nb-faq details { border-bottom: 1px solid var(--nb-border); padding: 18px 0; }
.nb-faq summary { cursor: pointer; font-weight: 500; font-size: 1.05rem; list-style: none; }
.nb-faq summary::-webkit-details-marker { display: none; }
.nb-faq summary::before { content: "+ "; font-family: var(--nb-mono); color: var(--nb-accent); }
.nb-faq details[open] summary::before { content: "− "; }
.nb-faq p { margin: 12px 0 0; }

/* Closing CTA */
.nb-cta {
  margin: 24px 0 80px;
  padding: 56px 32px !important;
  background: var(--nb-surface);
  border: 1px solid var(--nb-border);
  border-radius: 12px;
  text-align: center;
}
.nb-cta p { max-width: 520px; margin: 0 auto 24px; }
.nb-cta .nb-alt { display: block; margin-top: 16px; font-family: var(--nb-mono); font-size: 0.85rem; color: var(--nb-muted); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nb-hero { grid-template-columns: 1fr; }
  .nb-hero h1 { font-size: 2.4rem; }
  .nb-cards, .nb-quotes { grid-template-columns: 1fr; }
  .nb-reasons { grid-template-columns: repeat(2, 1fr); }
  .nb-steps { grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
}
@media (max-width: 600px) {
  .nb section { padding: 56px 0; }
  .nb-reasons, .nb-steps { grid-template-columns: 1fr; }
  .nb-about { grid-template-columns: 1fr; }
  .nb-photo { width: 160px; }
}