/* =========================================================
   CASTANHARO SECURITY — design tokens
   ========================================================= */
:root {
  --bg:        #0B1120;
  --bg-alt:    #121A2E;
  --bg-card:   #161F36;
  --border:    #232C42;
  --text:      #E8ECF4;
  --text-muted:#8B93A7;
  --text-dim:  #5D6684;
  --accent:    #F2A93B;
  --accent-dim:#8A5F1F;
  --ok:        #3FA796;
  --danger:    #E2584B;

  --font-display: "IBM Plex Sans Condensed", sans-serif;
  --font-body:    "IBM Plex Sans", sans-serif;
  --font-mono:    "IBM Plex Mono", monospace;

  --maxw: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 .5em;
  color: var(--text);
}
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.05; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); line-height: 1.15; }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1em; color: var(--text-muted); }
p.lede { font-size: 1.15rem; color: var(--text); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: .5em;
  margin-bottom: 1em;
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  background: var(--accent);
  display: inline-block;
}

.mono { font-family: var(--font-mono); }

/* ---------- header / nav ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,17,32,.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
header.site .bar {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .02em;
  display: flex; align-items: center; gap: .5em;
}
.logo .mark {
  width: 10px; height: 10px;
  background: var(--accent);
}
nav.main { display: flex; gap: 28px; align-items: center; }
nav.main a {
  font-size: .92rem;
  color: var(--text-muted);
  transition: color .15s;
}
nav.main a:hover, nav.main a:focus-visible { color: var(--text); }
nav.main a.active { color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-mono);
  font-size: .85rem;
  padding: .75em 1.3em;
  border: 1px solid var(--accent);
  color: var(--bg);
  background: var(--accent);
  cursor: pointer;
  transition: background .15s, color .15s, transform .1s;
  white-space: nowrap;
}
.btn:hover { background: transparent; color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn.ghost {
  background: transparent; color: var(--text);
  border-color: var(--border);
}
.btn.ghost:hover { border-color: var(--text-muted); color: var(--text); }
.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}

.mobile-toggle { display: none; }

@media (max-width: 820px) {
  nav.main { position: fixed; inset: 68px 0 0 0; background: var(--bg);
    flex-direction: column; align-items: flex-start; padding: 28px;
    gap: 18px; border-top: 1px solid var(--border);
    transform: translateY(-110%); transition: transform .2s ease; }
  nav.main.open { transform: translateY(0); }
  .mobile-toggle {
    display: block; background: none; border: 1px solid var(--border);
    color: var(--text); font-family: var(--font-mono); padding: .5em .8em;
  }
}

/* ---------- hero ---------- */
.hero {
  padding: 90px 0 70px;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center;
}
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; padding: 56px 0 40px; } }

.hero-cta { display: flex; gap: 14px; margin-top: 1.8em; flex-wrap: wrap; }

/* control grid — signature visual: 18 CIS Controls as a matrix */
.control-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  aspect-ratio: 6 / 3;
}
.control-cell {
  border: 1px solid var(--border);
  background: var(--bg-alt);
  display: flex; align-items: flex-end; justify-content: flex-start;
  padding: 8px;
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--text-dim);
  position: relative;
  overflow: hidden;
  animation: cellFade .6s ease both;
}
.control-cell.hit {
  background: linear-gradient(160deg, rgba(242,169,59,.16), rgba(242,169,59,.02));
  border-color: var(--accent-dim);
  color: var(--accent);
}
.control-cell.hit::after {
  content: "";
  position: absolute; inset: 0;
  box-shadow: inset 0 0 0 1px rgba(242,169,59,.35);
}
@keyframes cellFade { from { opacity: 0; transform: scale(.9); } to { opacity: 1; transform: scale(1); } }
.control-grid .control-cell:nth-child(1)  { animation-delay: .02s; }
.control-grid .control-cell:nth-child(2)  { animation-delay: .05s; }
.control-grid .control-cell:nth-child(3)  { animation-delay: .08s; }
.control-grid .control-cell:nth-child(4)  { animation-delay: .11s; }
.control-grid .control-cell:nth-child(5)  { animation-delay: .14s; }
.control-grid .control-cell:nth-child(6)  { animation-delay: .17s; }
.control-grid .control-cell:nth-child(7)  { animation-delay: .20s; }
.control-grid .control-cell:nth-child(8)  { animation-delay: .23s; }
.control-grid .control-cell:nth-child(9)  { animation-delay: .26s; }
.control-grid .control-cell:nth-child(10) { animation-delay: .29s; }
.control-grid .control-cell:nth-child(11) { animation-delay: .32s; }
.control-grid .control-cell:nth-child(12) { animation-delay: .35s; }
.control-grid .control-cell:nth-child(13) { animation-delay: .38s; }
.control-grid .control-cell:nth-child(14) { animation-delay: .41s; }
.control-grid .control-cell:nth-child(15) { animation-delay: .44s; }
.control-grid .control-cell:nth-child(16) { animation-delay: .47s; }
.control-grid .control-cell:nth-child(17) { animation-delay: .50s; }
.control-grid .control-cell:nth-child(18) { animation-delay: .53s; }

.control-caption {
  font-family: var(--font-mono); font-size: .72rem; color: var(--text-dim);
  margin-top: 10px; display: flex; justify-content: space-between;
}
.control-caption .k { color: var(--accent); }

/* ---------- sections ---------- */
section { padding: 64px 0; border-top: 1px solid var(--border); }
section.first { border-top: none; }
.section-head { max-width: 640px; margin-bottom: 40px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
@media (max-width: 860px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 28px;
}
.card .num {
  font-family: var(--font-mono); color: var(--accent);
  font-size: .8rem; display: block; margin-bottom: 14px;
}
.card ul { margin: 1em 0 0; padding-left: 1.1em; color: var(--text-muted); }
.card li { margin-bottom: .4em; }

.process { counter-reset: step; }
.process .step {
  display: grid; grid-template-columns: 64px 1fr; gap: 20px;
  padding: 22px 0; border-top: 1px solid var(--border);
}
.process .step:first-child { border-top: none; }
.process .step .idx {
  counter-increment: step;
  font-family: var(--font-mono); color: var(--accent); font-size: .85rem;
}
.process .step .idx::before {
  content: counter(step, decimal-leading-zero);
  display: block; font-size: 1.6rem; color: var(--text-dim);
}

.stat-row { display: flex; gap: 48px; flex-wrap: wrap; }
.stat b {
  display: block; font-family: var(--font-display); font-size: 2.1rem; color: var(--accent);
}
.stat span { font-size: .85rem; color: var(--text-muted); }

blockquote {
  border-left: 2px solid var(--accent);
  padding-left: 20px; margin: 0;
  font-size: 1.15rem; color: var(--text);
  font-family: var(--font-display);
}

/* ---------- blog ---------- */
.post-card {
  border: 1px solid var(--border); background: var(--bg-card);
  padding: 24px; display: flex; flex-direction: column; gap: 10px;
}
.post-meta { font-family: var(--font-mono); font-size: .75rem; color: var(--text-dim); }
.post-card h3 a:hover { color: var(--accent); }

article.post {
  max-width: 720px; margin: 0 auto;
}
article.post h2 { margin-top: 1.4em; }
article.post p { color: var(--text); }
article.post .lede { color: var(--text-muted); }
article.post ul, article.post ol { color: var(--text); padding-left: 1.3em; }
article.post li { margin-bottom: .5em; }
article.post code {
  font-family: var(--font-mono); background: var(--bg-alt);
  padding: .1em .4em; font-size: .9em; border: 1px solid var(--border);
}

/* ---------- footer ---------- */
footer.site {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  margin-top: 40px;
}
footer.site .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
@media (max-width: 700px) { footer.site .cols { grid-template-columns: 1fr; } }
footer.site h4 {
  font-family: var(--font-mono); font-size: .8rem; text-transform: uppercase;
  letter-spacing: .08em; color: var(--text-dim); margin-bottom: 1em;
}
footer.site a { color: var(--text-muted); display: block; margin-bottom: .6em; font-size: .92rem; }
footer.site a:hover { color: var(--accent); }
.foot-bottom {
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: .78rem; color: var(--text-dim);
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: var(--bg); padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }