/* ============================================================
   TOKENS
   ============================================================ */
:root {
  --blueprint-bg: #16324D;
  --blueprint-bg-dark: #0E2033;
  --blueprint-line: #A9CBE8;
  --paper: #EDE6D2;
  --paper-alt: #E4DBC3;
  --ink: #1B2430;
  --ink-soft: #4A5566;
  --copper: #B0713C;
  --copper-dark: #8C5729;
  --green: #4B7A5B;
  --amber: #B8752B;
  --rule: rgba(27, 36, 48, 0.16);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --radius: 3px;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; }

a { color: var(--copper-dark); }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.wrap-narrow { max-width: 760px; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  background: var(--blueprint-bg-dark);
  border-bottom: 1px solid rgba(169, 203, 232, 0.25);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  padding-bottom: 14px;
  flex-wrap: wrap;
  gap: 6px;
}
.brand {
  font-family: var(--font-mono);
  color: var(--blueprint-line);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.header-tag {
  font-family: var(--font-mono);
  color: rgba(169, 203, 232, 0.65);
  font-size: 0.78rem;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--blueprint-bg);
  color: #EAF2FA;
  padding: 56px 0 64px;
  position: relative;
  background-image:
    linear-gradient(rgba(169,203,232,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169,203,232,0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blueprint-line);
  margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  color: #fff;
  margin-bottom: 18px;
}
.hero-sub {
  font-family: var(--font-body);
  font-size: 1.08rem;
  color: rgba(234, 242, 250, 0.88);
  max-width: 46ch;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 22px 0 14px;
}
.hero-disclosure {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(234, 242, 250, 0.55);
  max-width: 44ch;
  margin: 0;
}

/* diagram */
.hero-diagram {
  position: relative;
}
.blueprint-svg {
  width: 100%;
  height: auto;
  display: block;
}
.callout-label {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--blueprint-line);
  letter-spacing: 0.04em;
}
.dim-label {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--blueprint-line);
  text-anchor: middle;
  letter-spacing: 0.03em;
}
.title-block {
  border: 1px solid rgba(169, 203, 232, 0.4);
  margin-top: -6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}
.tb-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 10px;
  border-bottom: 1px solid rgba(169, 203, 232, 0.25);
  color: rgba(234, 242, 250, 0.85);
}
.tb-row:last-child { border-bottom: none; }
.tb-row span { color: rgba(169, 203, 232, 0.6); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--copper);
  color: #fff;
  border-color: var(--copper);
}
.btn-primary:hover { background: var(--copper-dark); }
.btn-ghost {
  background: transparent;
  color: #EAF2FA;
  border-color: rgba(234, 242, 250, 0.4);
}
.btn-ghost:hover { background: rgba(234, 242, 250, 0.08); }
.btn-large { padding: 16px 30px; font-size: 0.95rem; }

/* ============================================================
   SECTIONS — general
   ============================================================ */
.section {
  padding: 56px 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.section::before,
.section::after {
  content: "";
  position: absolute;
  top: 18px;
  width: 10px;
  height: 10px;
  border: 1px solid rgba(27,36,48,0.28);
}
.section::before { left: 14px; border-right: none; border-bottom: none; }
.section::after { right: 14px; border-left: none; border-bottom: none; }

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper-dark);
  margin-bottom: 10px;
}
.section h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  max-width: 32ch;
}
.section-note {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
}

/* summary */
.summary { background: var(--paper-alt); }
.summary-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.summary-list li {
  padding-left: 26px;
  position: relative;
  max-width: 62ch;
}
.summary-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--copper-dark);
  font-family: var(--font-mono);
}

/* verdict */
.verdict-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: start;
}
.verdict-card {
  border: 1px solid var(--rule);
  background: var(--paper-alt);
  padding: 24px;
  border-radius: var(--radius);
}
.verdict-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.verdict-value {
  font-family: var(--font-display);
  font-weight: 500;
  margin-bottom: 20px;
}
.verdict-value:last-child { margin-bottom: 0; }

/* tables */
.table-wrap { overflow-x: auto; margin-top: 20px; }
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
  font-size: 0.95rem;
}
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}
.placeholder {
  color: var(--amber);
  font-style: italic;
}

/* pros/cons */
.proscons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}
.pc-card {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 24px;
  background: #F6F1E3;
}
.pc-card h3 { font-size: 1.1rem; margin-bottom: 14px; }
.pc-pros h3 { color: var(--green); }
.pc-cons h3 { color: var(--amber); }
.pc-card ul {
  margin: 0;
  padding-left: 20px;
}
.pc-card li { margin-bottom: 10px; }

/* fit */
.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}
.fit-card {
  border-left: 3px solid var(--green);
  padding-left: 20px;
}
.fit-not { border-left-color: var(--amber); }
.fit-card h3 { font-size: 1.05rem; }
.fit-card ul { padding-left: 18px; margin: 0; }
.fit-card li { margin-bottom: 8px; }

/* price */
.price-section { background: var(--paper-alt); }
.price-block .btn { margin-top: 8px; }

/* FAQ accordion */
.acc-item {
  border-bottom: 1px solid var(--rule);
}
.acc-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--ink);
  padding: 18px 30px 18px 0;
  cursor: pointer;
  position: relative;
}
.acc-trigger:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
.acc-trigger::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--copper-dark);
  transition: transform 0.2s ease;
}
.acc-trigger[aria-expanded="true"]::after {
  transform: rotate(45deg);
}
.acc-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.acc-panel p {
  padding-bottom: 18px;
  color: var(--ink-soft);
  max-width: 62ch;
}

/* final CTA */
.final-cta {
  background: var(--blueprint-bg-dark);
  color: #EAF2FA;
  border-bottom: none;
  text-align: left;
}
.final-cta .section-kicker { color: var(--blueprint-line); }
.final-cta h2 { color: #fff; max-width: 30ch; }
.final-cta p { color: rgba(234,242,250,0.82); max-width: 56ch; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--blueprint-bg-dark);
  color: rgba(234, 242, 250, 0.72);
  padding: 40px 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.footer-inner p { max-width: 74ch; margin-bottom: 14px; }
.footer-inner strong { color: #EAF2FA; }
.footer-copy { color: rgba(234, 242, 250, 0.45); margin-bottom: 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-diagram { order: -1; max-width: 360px; margin: 0 auto; }
  .verdict-grid,
  .proscons-grid,
  .fit-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .section { padding: 40px 0; }
  .hero { padding: 40px 0 48px; }
}