/* ============================================================
   TechnologiesNinja — shared stylesheet
   Pure CSS design system extracted from the Claude Design prototypes.
   One file for every page. Minimal JS (mobile menu only) lives in scripts.js.
   ============================================================ */

/* ---- Design tokens ---- */
:root {
  --paper: #fbfaf7;
  --ink: #16171a;
  --panel: #f3f1ec;
  --muted: #55575e;
  --faint: #6b6d75;
  --accent: #3d49f0;
  --accent-soft: #8b93ff;
  --dark-muted: #a2a5ad;

  --line: rgba(22, 23, 26, 0.13);
  --line-2: rgba(22, 23, 26, 0.16);
  --line-3: rgba(22, 23, 26, 0.18);
  --line-4: rgba(22, 23, 26, 0.22);
  --line-dark: rgba(251, 250, 247, 0.2);
  --line-dark-2: rgba(251, 250, 247, 0.14);

  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Geist", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --wrap: 1400px;
  --gutter: clamp(16px, 3vw, 32px);
  --section-y: clamp(48px, 7vw, 96px);
}

/* ---- Base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
p { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; font-weight: 400; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; }
summary { cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
details[open] .tn-plus { transform: rotate(45deg); }
::selection { background: var(--accent); color: var(--paper); }

/* ---- Layout primitives ---- */
.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.section { border-bottom: 1px solid var(--line); }
.section--panel { background: var(--panel); }
.section--dark { background: var(--ink); color: var(--paper); }
.section-pad { padding-top: var(--section-y); padding-bottom: var(--section-y); }

.hairline-top { border-top: 1px solid var(--line); }

/* Two-column section head: heading left, supporting line right */
.head-row {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 64px);
  align-items: flex-end;
  justify-content: space-between;
}
.head-row__main { flex: 1 1 440px; min-width: 0; }
.head-row__aside {
  flex: 1 1 300px; min-width: 0; margin: 0;
  max-width: 44ch; font-size: 15px; line-height: 1.6; color: var(--muted);
}

/* ---- Typography ---- */
.kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--faint);
}
.kicker--flow {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
}
.kicker__dot {
  display: inline-block; width: 6px; height: 6px; background: var(--accent);
}
.section-title {
  margin: 14px 0 0;
  font-size: clamp(28px, 4.4vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.lead { font-size: clamp(15.5px, 1.5vw, 19px); line-height: 1.6; color: var(--muted); }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 14px 20px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn--dark { background: var(--ink); color: var(--paper); }
.btn--dark:hover { background: var(--accent); color: var(--paper); }
.btn--ghost { border-color: var(--line-3); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn--light { background: var(--paper); color: var(--ink); }
.btn--light:hover { background: var(--accent); color: var(--paper); }
.btn--ghost-dark { border-color: rgba(251, 250, 247, 0.28); color: var(--paper); }
.btn--ghost-dark:hover { border-color: var(--paper); color: var(--paper); }
/* small pill link (used for tag rows) */
.pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--line-3);
  padding: 9px 13px;
  border-radius: 4px;
  color: var(--muted);
}
.pill:hover { border-color: var(--ink); color: var(--ink); }
.pill--dark { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.pill--dark:hover { background: var(--accent); color: var(--paper); }

.accent { color: var(--accent); }

/* ============================================================
   Site header
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 250, 247, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(22, 23, 26, 0.13);
}
.nav-row {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: clamp(56px, 6vw, 64px);
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 32px);
}
.brand {
  display: flex; align-items: center; gap: 10px; flex: 0 0 auto; color: var(--ink);
}
.brand img { width: 24px; height: 24px; border-radius: 6px; display: block; }
.brand__name { font-size: 14.5px; font-weight: 500; letter-spacing: -0.012em; }

.nav-links {
  display: flex; align-items: center; gap: clamp(12px, 1.6vw, 24px); margin-left: auto;
}
.nav-link {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--muted);
}
.nav-link:hover { color: var(--ink); }
.nav-link[aria-current] { color: var(--ink); }
.nav-link[aria-current]::before {
  content: ""; width: 5px; height: 5px; background: var(--accent);
}
.nav-cta {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.13em;
  text-transform: uppercase; background: var(--ink); color: var(--paper);
  padding: 9px 14px; border-radius: 4px;
}
.nav-cta:hover { background: var(--accent); color: var(--paper); }

.menu-toggle {
  margin-left: auto; width: 44px; height: 38px;
  display: none; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  background: transparent; border: 1px solid var(--line-2); border-radius: 4px; cursor: pointer; padding: 0;
}
.menu-toggle span { display: block; width: 15px; height: 1.5px; background: var(--ink); }

.mobile-drawer {
  border-top: 1px solid var(--line);
  padding: 8px clamp(16px, 4vw, 28px) 20px;
  display: flex; flex-direction: column; background: var(--paper);
}
/* The hidden attribute must win over the display:flex above,
   otherwise the drawer is stuck open and the toggle does nothing. */
.mobile-drawer[hidden] { display: none !important; }
.mobile-drawer a {
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 15px 0; border-bottom: 1px solid rgba(22, 23, 26, 0.1); color: var(--ink);
}
.mobile-drawer .drawer-cta {
  margin-top: 14px; text-align: center; font-size: 12px; letter-spacing: 0.12em;
  background: var(--ink); color: var(--paper); padding: 15px; border-radius: 4px; border-bottom: 0;
}

@media (max-width: 899px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
}
@media (min-width: 900px) {
  .mobile-drawer { display: none !important; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero-inner { padding-top: clamp(44px, 7vw, 96px); padding-bottom: clamp(36px, 5vw, 64px); }
.hero-title {
  margin: clamp(20px, 3vw, 34px) 0 0; max-width: 20ch;
  font-size: clamp(40px, 7.6vw, 96px); line-height: 0.98; letter-spacing: -0.04em;
}
.hero-body {
  margin-top: clamp(24px, 3.4vw, 42px);
  display: flex; flex-wrap: wrap; gap: clamp(24px, 4vw, 64px); align-items: flex-start;
}
.hero-body p { flex: 1 1 420px; min-width: 0; margin: 0; max-width: 58ch; }
.hero-actions { flex: 0 0 auto; display: flex; flex-wrap: wrap; gap: 8px; }

/* ---- Definition grid (hero facts / contact facts) ---- */
.fact-grid {
  margin: clamp(32px, 4.4vw, 56px) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 1px; background: var(--paper);
}
.fact {
  background: var(--paper); padding: clamp(16px, 1.8vw, 22px);
  box-shadow: 0 0 0 1px var(--line);
}
.fact dt {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--faint);
}
.fact dd { margin: 8px 0 0; font-size: 14.5px; line-height: 1.5; color: var(--ink); }

/* ============================================================
   Metrics strip
   ============================================================ */
.metrics {
  margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
}
.metric { padding: clamp(4px, 1vw, 10px) 20px; border-right: 1px solid var(--line); }
.metric:last-child { border-right: 0; }
.metric dd { margin: 0; font-size: clamp(30px, 4.4vw, 54px); line-height: 1; letter-spacing: -0.04em; }
.metric dt {
  margin-top: 12px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--faint);
}

/* ============================================================
   Spec list (numbered service rows)
   ============================================================ */
.spec-list { list-style: none; margin: clamp(30px, 4vw, 52px) 0 0; padding: 0; border-top: 1px solid var(--line); }
.spec-list > li { border-bottom: 1px solid var(--line); }
.spec-row {
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: clamp(12px, 2.4vw, 32px); padding: clamp(18px, 2.4vw, 26px) 6px;
}
.spec-row:hover { background: var(--panel); }
.spec-row__num { flex: 0 0 34px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--accent); }
.spec-row__name { flex: 1 1 220px; min-width: 0; font-size: clamp(17px, 1.9vw, 22px); letter-spacing: -0.02em; }
.spec-row__desc { flex: 2 1 300px; min-width: 0; font-size: 14px; line-height: 1.55; color: var(--muted); }
.spec-row__arrow { flex: 0 0 auto; font-family: var(--mono); font-size: 13px; color: var(--faint); }

/* ============================================================
   Work / case cards
   ============================================================ */
.card-grid {
  margin-top: clamp(30px, 4vw, 52px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 1px; background: var(--panel);
}
.card { background: var(--paper); display: flex; flex-direction: column; box-shadow: 0 0 0 1px var(--line); }
.card__viz {
  aspect-ratio: 16 / 10; border-bottom: 1px solid var(--line); background: var(--panel);
  padding: clamp(18px, 2.2vw, 26px); display: flex; flex-direction: column; justify-content: center;
  gap: clamp(14px, 1.8vw, 20px);
}
.card__label {
  margin: 0; font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--faint);
}
.card__body { padding: clamp(20px, 2.2vw, 28px); display: flex; flex-direction: column; flex: 1; }
.card__tags {
  margin: 0; display: flex; flex-wrap: wrap; gap: 10px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.13em; text-transform: uppercase; color: var(--faint);
}
.card__title { margin: 14px 0 0; font-size: 20px; letter-spacing: -0.022em; }
.card__desc { margin: 10px 0 0; font-size: 14px; line-height: 1.6; color: var(--muted); }
.card__stack { margin: 16px 0 0; font-family: var(--mono); font-size: 10.5px; line-height: 1.7; color: var(--faint); }
.card__link {
  margin-top: auto; padding-top: 22px; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.13em; text-transform: uppercase; color: var(--ink);
}
.card__link:hover { color: var(--accent); }

/* bar chart bits inside card viz */
.bar-row { display: flex; align-items: center; gap: 12px; }
.bar-row__key { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); }
.bar-track { flex: 1; height: 14px; background: var(--line-2); }
.bar-fill { height: 14px; background: var(--accent); }
.viz-foot {
  border-top: 1px solid var(--line); padding-top: 12px;
  font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint);
}
.dot-grid { display: grid; grid-template-columns: repeat(10, 1fr); gap: 5px; }
.dot-grid span { aspect-ratio: 1; background: var(--line-2); }
.dot-grid span.on { background: var(--accent); }

.tag-row { list-style: none; margin: clamp(20px, 2.4vw, 28px) 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }

/* ============================================================
   Stack spec
   ============================================================ */
.stack { margin: clamp(30px, 4vw, 52px) 0 0; border-top: 1px solid var(--line); }
.stack__row {
  display: flex; flex-wrap: wrap; gap: 8px 32px; padding: 16px 6px; border-bottom: 1px solid var(--line);
}
.stack__row dt {
  flex: 0 0 150px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--faint); padding-top: 3px;
}
.stack__row dd { flex: 1 1 320px; min-width: 0; margin: 0; font-size: 15px; line-height: 1.65; }

/* ============================================================
   Process grid
   ============================================================ */
.process {
  list-style: none; margin: clamp(30px, 4vw, 52px) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: clamp(20px, 2.6vw, 32px);
}
.process > li { border-top: 1px solid var(--line-4); padding-top: 16px; }
.process__num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--accent); }
.process h3 { margin: 12px 0 0; font-size: 17px; letter-spacing: -0.014em; }
.process p { margin: 8px 0 0; font-size: 14px; line-height: 1.6; color: var(--muted); }

/* ============================================================
   Quotes
   ============================================================ */
.quote-grid {
  margin-top: clamp(30px, 4vw, 52px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr));
  gap: 1px; background: var(--paper);
}
.quote {
  margin: 0; background: var(--paper); padding: clamp(22px, 2.4vw, 30px);
  display: flex; flex-direction: column; box-shadow: 0 0 0 1px var(--line);
}
.quote blockquote { margin: 0; font-size: 17px; line-height: 1.55; letter-spacing: -0.012em; }
.quote figcaption {
  margin-top: auto; padding-top: 26px; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-wrap {
  display: flex; flex-wrap: wrap; gap: clamp(28px, 5vw, 80px);
}
.faq-wrap__head { flex: 1 1 300px; min-width: 0; }
.faq-list { flex: 1 1 480px; min-width: 0; border-top: 1px solid var(--line); }
.faq { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 18px 4px; font-size: 17px; letter-spacing: -0.014em;
}
.tn-plus {
  flex: 0 0 auto; font-family: var(--mono); font-size: 16px; color: var(--faint);
  transition: transform 0.18s ease;
}
.faq p { margin: 0; padding: 0 4px 22px; max-width: 64ch; font-size: 14.5px; line-height: 1.65; color: var(--muted); }

/* ============================================================
   CTA (dark)
   ============================================================ */
.cta-inner {
  display: flex; flex-wrap: wrap; gap: clamp(28px, 5vw, 72px);
  align-items: flex-end; justify-content: space-between;
  padding-top: clamp(48px, 7vw, 104px); padding-bottom: clamp(48px, 7vw, 104px);
}
.cta-inner__main { flex: 1 1 460px; min-width: 0; }
.cta-title { margin: 16px 0 0; max-width: 22ch; font-size: clamp(32px, 5.4vw, 68px); line-height: 1; letter-spacing: -0.04em; }
.cta-kicker { color: var(--dark-muted); }
.cta-actions { margin-top: clamp(24px, 3.2vw, 40px); display: flex; flex-wrap: wrap; gap: 8px; }
.cta-facts { flex: 1 1 300px; min-width: 0; margin: 0; border-top: 1px solid var(--line-dark); }
.cta-facts > div {
  display: flex; justify-content: space-between; gap: 20px; padding: 14px 0;
  border-bottom: 1px solid var(--line-dark-2);
}
.cta-facts > div:last-child { border-bottom: 0; }
.cta-facts dt { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dark-muted); }
.cta-facts dd { margin: 0; font-size: 14px; text-align: right; }
.cta-facts a { color: var(--paper); }
.cta-facts a:hover { color: var(--accent-soft); }

/* ============================================================
   Site footer
   ============================================================ */
.site-footer { border-top: 1px solid var(--line); background: var(--paper); }
.footer-inner { padding-top: clamp(40px, 5vw, 64px); padding-bottom: clamp(24px, 3vw, 32px); }
.footer-cols { display: flex; flex-wrap: wrap; gap: clamp(24px, 3.4vw, 48px); }
.footer-brand { flex: 1 1 260px; min-width: 0; }
.footer-brand p { margin: 16px 0 0; max-width: 36ch; font-size: 14px; line-height: 1.6; color: var(--muted); }
.footer-brand .footer-meta {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint);
}
.footer-nav { flex: 1 1 160px; min-width: 0; }
.footer-nav--contact { flex: 1 1 190px; }
.footer-nav h2 {
  margin: 0 0 14px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink); font-weight: 500;
}
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-nav a, .footer-nav span { font-size: 13.5px; color: var(--muted); }
.footer-nav a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: clamp(28px, 3.4vw, 44px); padding-top: 18px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
}
.footer-bottom p {
  margin: 0; font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint);
}

/* ============================================================
   Machine-readable notice (kept as a static link, no toggle)
   ============================================================ */
.machine-note {
  border: 1px solid var(--line-2); border-radius: 4px; padding: clamp(16px, 2.4vw, 24px);
  background: var(--panel); font-family: var(--mono);
}
.machine-note p { margin: 0; font-size: 12.5px; line-height: 1.7; color: var(--muted); }

/* ============================================================
   Small screens / mobile (<= 640px)
   Stack multi-column rows cleanly and kill stray vertical borders.
   ============================================================ */
@media (max-width: 640px) {
  /* Metrics: single column with bottom rules instead of right rules */
  .metrics { grid-template-columns: 1fr 1fr; }
  .metric { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .metric:nth-child(2n) { border-right: 0; }
  .metric:nth-last-child(-n + 2) { border-bottom: 0; }

  /* Section head supporting line drops full width under the title */
  .head-row { gap: 18px; }
  .head-row__aside { flex-basis: 100%; }

  /* Spec rows: number + name on top line, description full width below */
  .spec-row { gap: 6px 14px; padding: 18px 4px; }
  .spec-row__name { flex: 1 1 auto; }
  .spec-row__desc { flex: 1 1 100%; }
  .spec-row__arrow { display: none; }

  /* Stack rows: label sits above its values */
  .stack__row { gap: 4px; padding: 16px 4px; }
  .stack__row dt { flex: 1 1 100%; }
  .stack__row dd { flex: 1 1 100%; }

  /* Hero actions and CTA actions go full width for easy tapping */
  .hero-actions, .cta-actions { width: 100%; }
  .hero-actions .btn, .cta-actions .btn { flex: 1 1 auto; text-align: center; }

  /* Let card visuals grow instead of clipping their charts */
  .card__viz { aspect-ratio: auto; min-height: 170px; }

  /* Slightly calmer heading sizes on tiny screens */
  .faq summary { font-size: 16px; gap: 14px; }
  .quote blockquote { font-size: 16px; }

  /* Footer bottom line stacks */
  .footer-bottom { gap: 6px; }
}

/* Extra-narrow phones (<= 380px): keep the hero from overflowing */
@media (max-width: 380px) {
  .hero-title { font-size: 34px; }
  .metrics { grid-template-columns: 1fr; }
  .metric { border-right: 0; }
  .metric:nth-last-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .metric:last-child { border-bottom: 0; }
}