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

body {
  background: #000;
  color: #fff;
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── BACKGROUND ── */
.bg-texture {
  position: fixed;
  inset: 0;
  background-image: url('images/background.jpg');
  background-size: cover;
  background-position: top left;
  opacity: 0.2;
  z-index: 0;
  filter: grayscale(100%) blur(2px);
}

.bg-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(to bottom,
    rgba(0,0,0,0.75) 0%,
    rgba(0,0,0,0.65) 40%,
    rgba(0,0,0,0.80) 100%);
  z-index: 1;
}

.page {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ── NAV ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.logo {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: #fff;
}

.version {
  font-size: 10px;
  color: rgba(255,255,255,0.2);
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* ── SECTIONS ── */
section {
  padding: 64px 0;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.section-label {
  font-size: 9px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  margin-bottom: 28px;
}

/* ── PROBLEM ── */
.problem h1 {
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: -1px;
  color: #fff;
  max-width: 700px;
  margin-bottom: 32px;
}

.problem h1 em {
  font-style: normal;
  color: rgba(255,255,255,0.3);
}

.problem p {
  font-size: 13px;
  line-height: 1.95;
  color: rgba(255,255,255,0.48);
  max-width: 600px;
}

.problem p + p {
  margin-top: 16px;
}

/* ── SOLUTION ── */
.solution h2 {
  font-size: clamp(24px, 3.8vw, 38px);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  line-height: 1.1;
  color: #fff;
  max-width: 620px;
  margin-bottom: 24px;
}

.solution p {
  font-size: 13px;
  line-height: 1.95;
  color: rgba(255,255,255,0.48);
  max-width: 600px;
}

.irony {
  margin-top: 28px;
  padding: 14px 20px;
  border-left: 2px solid rgba(255,255,255,0.18);
  font-size: 11px;
  line-height: 1.8;
  color: rgba(255,255,255,0.28);
  font-style: italic;
  max-width: 560px;
}

/* ── HOW IT WORKS ── */
.steps {
  display: flex;
  flex-direction: column;
}

.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.step:last-child { border-bottom: none; }

.step-num {
  font-size: 10px;
  color: rgba(255,255,255,0.2);
  min-width: 28px;
  padding-top: 2px;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.step-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #fff;
  margin-bottom: 5px;
}

.step-desc {
  font-size: 11px;
  color: rgba(255,255,255,0.32);
  line-height: 1.6;
}

/* ── OUTPUT ── */
.output-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.output-block h4 {
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.25);
  margin-bottom: 14px;
}

.terminal {
  background: rgba(0,0,0,0.72);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 18px 20px;
  font-size: 10.5px;
  line-height: 1.95;
  font-family: 'Courier New', Courier, monospace;
  overflow: hidden;
}

.terminal-dots {
  color: rgba(255,255,255,0.18);
  font-size: 10px;
  margin-bottom: 10px;
  letter-spacing: 3px;
}

.t-prompt { color: rgba(255,255,255,0.35); }
.t-cmd    { color: #fff; }
.t-dim    { color: rgba(255,255,255,0.2); }
.t-head   { color: rgba(255,255,255,0.38); }
.t-rule   { color: rgba(255,255,255,0.1); }
.t-pkg    { color: rgba(255,255,255,0.72); }
.t-ok     { color: rgba(255,255,255,0.9); }
.t-warn   { color: rgba(255,255,255,0.6); }
.t-cve    { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.t-summary{ color: rgba(255,255,255,0.25); }
.t-blue   { color: rgba(255,255,255,0.38); }

/* ── MERMAID RENDERED ── */
.chart-rendered {
  margin-top: 20px;
  padding: 18px 20px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.5);
}

.chart-rendered-label {
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
  margin-bottom: 18px;
}

.chart-tree {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.node {
  border: 1px solid rgba(255,255,255,0.28);
  padding: 5px 14px;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  background: rgba(0,0,0,0.6);
  white-space: nowrap;
}

.node.warn {
  border-color: rgba(255,255,255,0.45);
  color: rgba(255,255,255,0.65);
}

.node.cve {
  border-color: rgba(255,255,255,0.9);
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.connector-v {
  width: 1px;
  height: 14px;
  background: rgba(255,255,255,0.18);
}

.node-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.node-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── FOOTER ── */
footer {
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-l, .footer-r {
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.12);
}

/* ── MOBILE ── */
@media (max-width: 680px) {
  .output-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .page { padding: 0 24px; }
  .problem h1 { font-size: 28px; }
  .solution h2 { font-size: 22px; }
}