/* Setu Innovation · Dark monochrome system */

/* ─── Self-hosted fonts · SIL OFL 1.1 (see /fonts/OFL-*.txt) · latin subset ─── */
/* Manrope — single latin-subset variable file, weight axis 200–800 (covers every weight used: 300–800) */
@font-face { font-family: 'Manrope'; font-style: normal; font-weight: 200 800; font-display: swap; src: url('/fonts/manrope-variable.woff2') format('woff2'); }
/* JetBrains Mono — static; weights actually used: 400 (legal .kv), 500 (labels/eyebrows), 600 (bold <strong> in mono context) */
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url('/fonts/jetbrains-mono-400.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url('/fonts/jetbrains-mono-500.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 600; font-display: swap; src: url('/fonts/jetbrains-mono-600.woff2') format('woff2'); }

/* Metric-matched fallbacks — hold layout stable while the web fonts load (no visible change once loaded).
   Override %s measured against the actual variable file in-browser; reproduce its exact line-box + width. */
@font-face { font-family: 'Manrope Fallback'; src: local('Arial'); size-adjust: 102.87%; ascent-override: 103.62%; descent-override: 29.16%; line-gap-override: 0%; }
@font-face { font-family: 'JetBrains Mono Fallback'; src: local('Menlo'), local('Consolas'), local('Courier New'); size-adjust: 99.66%; ascent-override: 102.35%; descent-override: 30.10%; line-gap-override: 0%; }

:root {
  --bg: #0b0b0b;
  --bg-raised: #131313;
  --bg-panel: #181818;
  --bg-elevated: #1f1f1f;
  --bg-hover: #242424;
  --bg-deep: #050505;
  --bg-footer: #030303;
  --border: #232323;
  --border-mid: #2e2e2e;
  --border-strong: #3a3a3a;
  --ink-bright: #ffffff;
  --ink: #ededed;
  --ink-mid: #a3a3a3;
  --ink-dim: #8a8a8a;
  --ink-faint: #7a7a7a;
  --accent: #E8B931;
  --container: 1280px;
  --section-y-lg: 140px;
  --section-y-md: 96px;
  --header-h: 72px;
  --font-sans: 'Manrope', 'Manrope Fallback', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'JetBrains Mono Fallback', ui-monospace, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  font-family: var(--font-sans); font-weight: 400; font-size: 17px; line-height: 1.6;
  color: var(--ink); background: var(--bg);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--ink-bright); color: var(--bg); }

.wrap { max-width: var(--container); margin: 0 auto; padding: 0 32px; }
@media (max-width: 640px) { .wrap { padding: 0 20px; } }

.eyebrow {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent);
}
.label {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
}
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; color: var(--ink-bright); }
h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); font-weight: 800; letter-spacing: -0.035em; line-height: 1.02; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.03em; line-height: 1.08; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.05rem; font-weight: 600; }
p { color: var(--ink-mid); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans); font-weight: 600; font-size: 0.95rem;
  letter-spacing: -0.005em; padding: 14px 22px;
  border: 1px solid transparent; cursor: pointer;
  transition: all 180ms ease; white-space: nowrap;
}
.btn-primary { background: var(--ink-bright); color: var(--bg); border-color: var(--ink-bright); }
.btn-primary:hover { background: var(--ink); border-color: var(--ink); }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn-secondary:hover { border-color: var(--ink-bright); background: var(--bg-elevated); color: var(--ink-bright); }
.btn .arrow { display: inline-block; transition: transform 180ms ease; }
.btn:hover .arrow { transform: translateX(3px); }
.btn-sm { padding: 10px 16px; font-size: 0.86rem; }

/* ─── HEADER + MEGAMENU ─── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(11,11,11,0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease, background 200ms ease;
}
.header.scrolled { border-bottom-color: var(--border); background: rgba(11,11,11,0.95); }
.nav { display: flex; align-items: center; justify-content: flex-start; height: var(--header-h); position: relative; }
.logo {
  font-weight: 800; font-size: 1.2rem; letter-spacing: -0.04em;
  color: var(--ink-bright); display: flex; align-items: center; gap: 10px;
}
.logo-mark {
  width: 44px; height: 26px; display: inline-block;
  background: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%20116%2070'%20fill='none'%3E%20%3Cg%20fill='%23ffffff'%3E%20%3Crect%20x='10'%20y='48'%20width='4'%20height='10'/%3E%20%3Crect%20x='19'%20y='42'%20width='4'%20height='16'/%3E%20%3Crect%20x='28'%20y='36'%20width='4'%20height='22'/%3E%20%3Crect%20x='37'%20y='30'%20width='4'%20height='28'/%3E%20%3Crect%20x='46'%20y='24'%20width='4'%20height='34'/%3E%20%3Crect%20x='66'%20y='24'%20width='4'%20height='34'/%3E%20%3Crect%20x='75'%20y='30'%20width='4'%20height='28'/%3E%20%3Crect%20x='84'%20y='36'%20width='4'%20height='22'/%3E%20%3Crect%20x='93'%20y='42'%20width='4'%20height='16'/%3E%20%3Crect%20x='102'%20y='48'%20width='4'%20height='10'/%3E%20%3Crect%20x='6'%20y='60'%20width='46'%20height='2.5'/%3E%20%3Crect%20x='64'%20y='60'%20width='46'%20height='2.5'/%3E%20%3C/g%3E%20%3Crect%20x='56'%20y='12'%20width='4'%20height='50'%20fill='%232f5bff'/%3E%20%3C/svg%3E") center / contain no-repeat;
  font-size: 0; color: transparent; /* hides the legacy "S" fallback */
}
.nav-links { display: flex; align-items: center; list-style: none; height: 100%; margin-left: 40px; }
.nav-item { position: static; height: 100%; }
.nav-trigger {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 0 16px; height: 100%;
  font-size: 0.92rem; font-weight: 500; color: var(--ink-mid);
  cursor: pointer; transition: color 150ms ease;
  border: 0; background: transparent; font-family: inherit;
}
.nav-trigger:hover, .nav-trigger[aria-expanded="true"] { color: var(--ink-bright); }
.nav-trigger .chev {
  width: 7px; height: 7px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-2px,-2px);
  transition: transform 200ms ease; opacity: 0.6;
}
.nav-trigger:hover .chev, .nav-trigger[aria-expanded="true"] .chev {
  transform: rotate(-135deg) translate(-2px,-2px);
}
.nav-cta { display: flex; align-items: center; gap: 12px; margin-left: auto; }

/* ─── One shared dropdown that morphs (resize + cross-fade) between menus ─── */
/* Anchored to the page content edge (left:32px = .wrap padding, where logo/hero/sections align).
   width/height are set by app.js to the active panel, so the card smoothly resizes on switch. */
.megamenu {
  position: absolute; top: calc(100% + 10px); left: 32px;
  box-sizing: content-box;            /* JS-set width/height is the inner box; the 1px border sits outside */
  width: 0; height: 0; overflow: hidden;
  max-width: calc(100vw - 66px);
  background: var(--bg-panel);
  border: 1px solid var(--border-mid); border-radius: 14px;
  box-shadow: 0 20px 50px -16px rgba(0,0,0,0.75), 0 8px 20px -10px rgba(0,0,0,0.5);
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(-6px) scale(0.985); transform-origin: top left;
  transition: width 300ms cubic-bezier(.22,1,.36,1), height 300ms cubic-bezier(.22,1,.36,1),
              opacity 170ms ease, transform 240ms cubic-bezier(.22,1,.36,1), visibility 240ms;
}
.megamenu.open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0) scale(1); }
/* Transparent bridge so hover doesn't drop in the gap between trigger and card */
.megamenu::before { content: ''; position: absolute; top: -12px; left: 0; right: 0; height: 12px; }

/* Stacked menus; the active one cross-fades in. width:max-content lets app.js measure each. */
.mega-panel {
  position: absolute; top: 0; left: 0;
  width: max-content; padding: 22px;
  opacity: 0; pointer-events: none;
  transition: opacity 180ms ease;
}
.mega-panel.active { opacity: 1; pointer-events: auto; }
@media (prefers-reduced-motion: reduce) {
  .megamenu, .mega-panel { transition-duration: 1ms; }
}
.mega-grid { display: grid; gap: 28px; }
.mega-grid--3 { grid-template-columns: repeat(3, 232px); }
.mega-grid--4 { grid-template-columns: repeat(4, 188px); }
.mega-grid--2 { grid-template-columns: repeat(2, 244px); }
.mega-col-head {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-dim); margin-bottom: 20px;
  padding-bottom: 14px; border-bottom: 1px solid var(--border-mid);
}
.mega-col-sub {
  font-size: 0.78rem; color: var(--ink-faint);
  font-family: var(--font-sans); font-weight: 400;
  margin-top: -10px; margin-bottom: 14px;
  padding-bottom: 14px; border-bottom: 1px solid var(--border-mid);
  display: block; line-height: 1.5;
}
.mega-list { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.mega-link {
  display: block;
  padding: 9px 12px; margin: 0 -12px; border-radius: 8px;
  transition: background 150ms ease;
}
.mega-link:hover { background: var(--bg-hover); }

.mega-name {
  display: block; color: var(--ink-bright); font-weight: 600;
  font-size: 0.92rem; letter-spacing: -0.01em; margin-bottom: 3px;
}
.mega-desc { display: block; color: var(--ink-mid); font-size: 0.8rem; line-height: 1.45; }
.mega-grid--4 .mega-desc { display: none; } /* Industries: the col-sub already gives the one-liner */
.mega-id {
  display: none; font-family: var(--font-mono); font-size: 0.66rem;
  color: var(--ink-dim); letter-spacing: 0.04em; margin-top: 4px;
}
.mega-foot {
  margin: 20px 0 0; padding: 18px 2px 2px; border-top: 1px solid var(--border-mid);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.mega-foot-text { font-size: 0.88rem; color: var(--ink-mid); }
.mega-foot-text strong { color: var(--ink-bright); font-weight: 600; }

.nav-toggle {
  display: none; background: transparent; border: 0;
  width: 36px; height: 36px;
  flex-direction: column; justify-content: center; gap: 5px; cursor: pointer;
}
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--ink-bright); transition: all 200ms ease; }
@media (max-width: 1080px) { .nav-links, .nav-cta .btn { display: none; } .nav-toggle { display: flex; } }

.mobile-nav {
  display: none; position: fixed;
  top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: var(--bg); border-top: 1px solid var(--border);
  z-index: 99; overflow-y: auto; padding: 24px 0 48px;
}
.mobile-nav.open { display: block; }
.mobile-section { padding: 0 24px; border-bottom: 1px solid var(--border); }
.mobile-section-head {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; font-size: 1rem; font-weight: 600; color: var(--ink-bright);
  background: transparent; border: 0; font-family: inherit; cursor: pointer; text-align: left;
}
.mobile-section-head .chev {
  width: 8px; height: 8px;
  border-right: 1.5px solid var(--ink-mid); border-bottom: 1.5px solid var(--ink-mid);
  transform: rotate(45deg); transition: transform 200ms ease;
}
.mobile-section.open .mobile-section-head .chev { transform: rotate(-135deg); }
.mobile-sub { display: none; padding-bottom: 18px; }
.mobile-section.open .mobile-sub { display: block; }
.mobile-sub a { display: block; padding: 10px 0; font-size: 0.92rem; color: var(--ink-mid); }
.mobile-sub a:hover { color: var(--ink-bright); }
.mobile-cta-wrap { padding: 28px 24px 0; }
.mobile-cta-wrap .btn { width: 100%; justify-content: center; }

/* ─── HERO ─── */
.hero {
  padding: calc(var(--header-h) + var(--section-y-lg)) 0 var(--section-y-md);
  border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
  background: radial-gradient(ellipse at top right, rgba(255,255,255,0.04), transparent 55%), var(--bg);
}
.hero-eyebrow { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 32px; }
.hero-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--border-strong); }
.hero h1 { max-width: 18ch; margin-bottom: 28px; }
.hero h1 em { font-style: italic; font-weight: 300; color: var(--ink-mid); }
.hero-sub {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem); line-height: 1.55;
  color: var(--ink-mid); max-width: 60ch; margin-bottom: 40px; font-weight: 400;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 80px; }
.trust-strip {
  border-top: 1px solid var(--border); padding-top: 28px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 24px 40px;
}
.trust-strip .eyebrow { color: var(--accent); }
.trust-list { display: flex; flex-wrap: wrap; gap: 8px 28px; list-style: none; }
.trust-list li {
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500;
  color: var(--ink); letter-spacing: 0.02em;
}

/* ─── CLOSED LOOP ─── */
.closed-loop { padding: var(--section-y-lg) 0; background: var(--bg-raised); border-bottom: 1px solid var(--border); }
.section-head { margin-bottom: 72px; max-width: 720px; }
.section-head .eyebrow { margin-bottom: 16px; display: inline-block; }
.section-head p { font-size: 1.05rem; margin-top: 20px; color: var(--ink-mid); max-width: 60ch; }
.loop-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--border); background: var(--bg-panel); }
.loop-item { padding: 48px 36px; border-right: 1px solid var(--border); position: relative; }
.loop-item:last-child { border-right: 0; }
.loop-num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent); margin-bottom: 32px; letter-spacing: 0.05em; }
.loop-item h3 { margin-bottom: 16px; font-size: 1.6rem; }
.loop-item p { font-size: 0.95rem; line-height: 1.6; color: var(--ink-mid); }
.loop-arrow {
  position: absolute; right: -10px; top: 50%; transform: translateY(-50%);
  width: 20px; height: 20px; background: var(--bg-panel); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; color: var(--ink-dim); z-index: 1;
}
.loop-item:last-child .loop-arrow { display: none; }
@media (max-width: 880px) {
  .loop-grid { grid-template-columns: 1fr; }
  .loop-item { border-right: 0; border-bottom: 1px solid var(--border); }
  .loop-item:last-child { border-bottom: 0; }
  .loop-arrow { display: none; }
}

/* ─── CAPABILITY ─── */
.capability { padding: var(--section-y-lg) 0; border-bottom: 1px solid var(--border); }
.capability.alt { background: var(--bg-raised); }
.capability-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; }
@media (max-width: 880px) { .capability-grid { grid-template-columns: 1fr; gap: 40px; } }
.cap-side .eyebrow { display: block; margin-bottom: 16px; }
.cap-side h2 { margin-bottom: 20px; }
.cap-side p { font-size: 1rem; line-height: 1.65; color: var(--ink-mid); margin-bottom: 24px; }
.cap-meta { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-dim); padding-top: 20px; border-top: 1px solid var(--border); line-height: 1.6; }
.cap-meta strong { color: var(--ink); font-weight: 600; }
.cap-items { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
@media (max-width: 640px) { .cap-items { grid-template-columns: 1fr; } }
.cap-item {
  padding: 28px 28px 32px;
  border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--bg-panel); transition: background 150ms ease;
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.capability.alt .cap-item { background: var(--bg); }
.cap-item:hover { background: var(--bg-elevated); }
.cap-item .label { color: var(--ink-faint); margin-bottom: 14px; display: block; }
.cap-item h3 { font-size: 1.1rem; margin-bottom: 8px; letter-spacing: -0.015em; color: var(--ink-bright); font-weight: 600; }
.cap-item p { font-size: 0.9rem; color: var(--ink-mid); line-height: 1.55; }

/* ─── INDUSTRIES ─── */
.industries { padding: var(--section-y-lg) 0; border-bottom: 1px solid var(--border); }
.ind-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
@media (max-width: 1020px) { .ind-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px)  { .ind-grid { grid-template-columns: 1fr; } }
.ind-card {
  padding: 40px 28px 36px;
  border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--bg-panel); transition: background 200ms ease;
  min-height: 280px; display: flex; flex-direction: column;
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.ind-card:hover { background: var(--bg-elevated); }
.ind-num { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent); letter-spacing: 0.05em; margin-bottom: 28px; }
.ind-card h3 { font-size: 1.25rem; margin-bottom: 14px; letter-spacing: -0.015em; }
.ind-card p { font-size: 0.9rem; color: var(--ink-mid); line-height: 1.55; margin-bottom: 20px; flex-grow: 1; }
.ind-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.ind-tag {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500;
  padding: 4px 8px; background: var(--bg); color: var(--ink-mid); border: 1px solid var(--border);
}

/* ─── WHY ─── */
.why { padding: var(--section-y-lg) 0; border-bottom: 1px solid var(--border); }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
@media (max-width: 880px) { .why-grid { grid-template-columns: 1fr; gap: 56px; } }
.why-stats { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.stat { padding: 32px 24px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-panel); }
.stat-num { font-size: 2.25rem; font-weight: 800; letter-spacing: -0.04em; line-height: 1; color: var(--accent); margin-bottom: 12px; }
.stat-label { font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-mid); letter-spacing: 0.04em; line-height: 1.4; }
.quote { border-left: 2px solid var(--ink-bright); padding: 4px 0 4px 28px; margin-top: 40px; }
.quote p { font-size: 1.05rem; line-height: 1.55; color: var(--ink); font-weight: 500; margin-bottom: 12px; }
.quote-attr { font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-dim); letter-spacing: 0.03em; }

/* ─── ARTICLE LINK ("Full guide →" links on capability cards) ─── */
.article-link { font-size: 0.85rem; font-weight: 600; color: var(--ink-bright); display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; }
.article-link .arrow { transition: transform 180ms ease; }
.article-link:hover { color: var(--accent); }
.article-link:hover .arrow { transform: translateX(3px); }

/* ─── ABOUT ─── */
.about { padding: var(--section-y-lg) 0; border-bottom: 1px solid var(--border); }
.about-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 80px; }
@media (max-width: 880px) { .about-grid { grid-template-columns: 1fr; gap: 32px; } }
.about-body p { font-size: 1.05rem; line-height: 1.7; color: var(--ink); margin-bottom: 20px; }
.about-body p:first-child::first-letter {
  font-size: 3rem; font-weight: 700; float: left; line-height: 0.9;
  margin: 6px 12px 0 0; color: var(--ink-bright);
}
.creds { margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--border); display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
@media (max-width: 640px) { .creds { grid-template-columns: 1fr; } }
.cred-item .label { display: block; color: var(--ink-faint); margin-bottom: 6px; }
.cred-item p { font-size: 0.92rem; color: var(--ink-bright); font-weight: 500; margin: 0; line-height: 1.5; }

.ph { color: var(--ink-dim); font-style: italic; }
.hl { color: var(--accent); font-weight: 600; }
.em { color: var(--ink-bright); font-weight: 600; }

/* ─── CONTACT ─── */
.contact { padding: var(--section-y-lg) 0; background: var(--bg-deep); }
.contact-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 80px; align-items: end; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; gap: 48px; align-items: start; } }
.contact .eyebrow { color: var(--accent); margin-bottom: 24px; display: block; }
.contact h2 { font-size: clamp(2rem, 4vw, 3.25rem); margin-bottom: 28px; letter-spacing: -0.03em; max-width: 18ch; line-height: 1.05; }
.contact h2 em { font-style: italic; font-weight: 300; color: var(--ink-dim); }
.contact-sub { font-size: 1.05rem; color: var(--ink-mid); max-width: 50ch; margin-bottom: 36px; }
.contact-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.contact-info { border-top: 1px solid var(--border); padding-top: 32px; display: grid; gap: 24px; }
.info-item .label { color: var(--ink-faint); display: block; margin-bottom: 8px; }
.info-item p, .info-item a { font-size: 0.95rem; color: var(--ink-bright); line-height: 1.55; }
.info-item a:hover { color: var(--ink-mid); }

.contact-form { margin-top: 36px; display: grid; gap: 18px; max-width: 560px; }
.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .contact-form .form-row { grid-template-columns: 1fr; } }
.contact-form .field { display: flex; flex-direction: column; gap: 8px; }
.contact-form label {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-dim);
}
.contact-form label .optional { text-transform: none; letter-spacing: 0; color: var(--ink-faint); }
.contact-form input, .contact-form textarea {
  font-family: var(--font-sans); font-size: 0.95rem; color: var(--ink-bright);
  background: var(--bg-panel); border: 1px solid var(--border-mid);
  padding: 13px 14px; width: 100%; transition: border-color 150ms ease, background 150ms ease;
}
.contact-form textarea { resize: vertical; min-height: 110px; line-height: 1.5; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--ink-faint); }
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--ink-bright); background: var(--bg-elevated);
}
.contact-form button[type="submit"] { justify-self: start; margin-top: 4px; }
.contact-form button[disabled] { opacity: 0.55; cursor: progress; }
.contact-form .hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }
.form-consent { font-size: 0.78rem; color: var(--ink-faint); line-height: 1.5; margin: 0; }
.form-consent a { color: var(--ink-mid); text-decoration: underline; text-underline-offset: 2px; }
.form-consent a:hover { color: var(--ink-bright); }
.form-reassure { font-size: 0.82rem; color: var(--ink-dim); margin: 0; }
.form-status { font-size: 0.88rem; margin: 0; min-height: 1.2em; }
.form-status.ok { color: #6ee7a8; }
.form-status.err { color: #f8a4a4; }

/* ─── FOOTER ─── */
.footer { background: var(--bg-footer); color: var(--ink-dim); padding: 48px 0 32px; border-top: 1px solid var(--border); }
.footer-grid { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; padding-bottom: 32px; border-bottom: 1px solid var(--border); }
.footer-logo { color: var(--ink-bright); font-weight: 800; letter-spacing: -0.04em; font-size: 1.15rem; }
.footer-links { display: flex; gap: 28px; list-style: none; flex-wrap: wrap; }
.footer-links a { font-size: 0.85rem; color: var(--ink-dim); }
.footer-links a:hover { color: var(--ink-bright); }
.footer-base { padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.78rem; color: var(--ink-faint); }
.footer-base p { color: var(--ink-faint); }
.footer-legal a { color: var(--ink-dim); }
.footer-legal a:hover { color: var(--ink-bright); }

@media (max-width: 880px) {
  :root { --section-y-lg: 80px; }
  .hero { padding-top: calc(var(--header-h) + 56px); }
  .section-head { margin-bottom: 48px; }
}
@media (max-width: 600px) { :root { --section-y-lg: 64px; } body { font-size: 16px; } }

.reveal { opacity: 0; transform: translateY(12px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── Accessibility: skip link ─── */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink-bright); color: var(--bg);
  padding: 12px 20px; font-weight: 600; font-size: 0.9rem;
  z-index: 200; text-decoration: none;
}
.skip-link:focus {
  left: 8px; top: 8px; outline: 2px solid var(--ink-bright); outline-offset: 2px;
}

/* ─── Accessibility: keyboard focus visible across the site ─── */
:focus-visible {
  outline: 2px solid var(--ink-bright);
  outline-offset: 2px;
}
.btn:focus-visible, .nav-trigger:focus-visible, .mega-link:focus-visible {
  outline-offset: 3px;
}

/* ─── Touch targets ≥ 44×44 on mobile ─── */
@media (max-width: 880px) {
  .btn-sm { min-height: 44px; padding: 12px 18px; }
  .nav-links a, .mobile-sub a { min-height: 44px; display: flex; align-items: center; }
  .footer-links a { padding: 8px 0; min-height: 36px; display: inline-flex; align-items: center; }
}

/* ─── Reduced-motion: disable transitions/animations ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ─── SUBPAGE THEMES ─── */
/* Each framework guide page carries its own accent + a matching dark tint, so
   visitors instantly know which framework they're on (and that they've left the
   gold homepage). The whole background ramp is derived from one --tint via
   color-mix(), so a theme only has to set --accent and --tint. */
body.subpage {
  --bg:            color-mix(in srgb, var(--tint) 8%,  #070707);
  --bg-raised:     color-mix(in srgb, var(--tint) 11%, #0b0b0b);
  --bg-panel:      color-mix(in srgb, var(--tint) 13%, #101010);
  --bg-elevated:   color-mix(in srgb, var(--tint) 16%, #151515);
  --bg-hover:      color-mix(in srgb, var(--tint) 19%, #1b1b1b);
  --border:        color-mix(in srgb, var(--tint) 16%, #1e1e1e);
  --border-mid:    color-mix(in srgb, var(--tint) 18%, #292929);
  --border-strong: color-mix(in srgb, var(--tint) 20%, #353535);
  --bg-deep:       color-mix(in srgb, var(--tint) 7%,  #040404);
  --bg-footer:     color-mix(in srgb, var(--tint) 6%,  #020202);
}
body.theme-cra      { --accent: #B2D44A; --tint: #B2D44A; } /* lime — flagship */
body.theme-nis2     { --accent: #3AD17E; --tint: #3AD17E; } /* emerald (green)  */
body.theme-dora     { --accent: #4A93F7; --tint: #4A93F7; } /* azure (blue)     */
body.theme-r155     { --accent: #F8617F; --tint: #F8617F; } /* rose             */
body.theme-r156     { --accent: #FB8B3D; --tint: #FB8B3D; } /* orange           */
body.theme-iso21434 { --accent: #1FCFC9; --tint: #1FCFC9; } /* teal             */
body.theme-iec62443 { --accent: #9D7BFF; --tint: #9D7BFF; } /* electric violet */

/* ─── SUBPAGE COMPONENTS (shared by the framework guide pages) ─── */
.breadcrumb { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 28px; color: var(--ink-dim); }
.breadcrumb a { color: var(--ink-dim); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--ink-faint); margin: 0 8px; }
.breadcrumb .current { color: var(--accent); }
.callout { border: 1px solid var(--border-mid); background: var(--bg-panel); padding: 36px 32px; }
.callout h3 { font-size: 1.25rem; margin-bottom: 10px; }
.callout p { color: var(--ink-mid); font-size: 0.98rem; line-height: 1.6; }
.checklist { list-style: none; display: grid; gap: 14px; margin: 22px 0 26px; }
.checklist li { position: relative; padding-left: 30px; color: var(--ink); font-size: 1rem; line-height: 1.5; }
.checklist li::before { content: ''; position: absolute; left: 0; top: 5px; width: 12px; height: 12px; border: 1.5px solid var(--accent); }
.callout .note { font-size: 0.86rem; color: var(--ink-dim); border-top: 1px solid var(--border); padding-top: 18px; margin-top: 4px; }
.faq-list { border-top: 1px solid var(--border); margin-top: 8px; }
.faq-item { padding: 28px 0; border-bottom: 1px solid var(--border); }
.faq-item h3 { font-size: 1.12rem; margin-bottom: 10px; letter-spacing: -0.01em; }
.faq-item p { color: var(--ink-mid); font-size: 0.96rem; line-height: 1.65; }
.mega-link[aria-current="page"] .mega-name { color: var(--accent); }
.cta-band { padding: var(--section-y-lg) 0; background: var(--bg-deep); border-top: 1px solid var(--border); }
.cta-band h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.03em; max-width: 20ch; margin-top: 16px; margin-bottom: 20px; }
.cta-band h2 em { font-style: italic; font-weight: 300; color: var(--ink-dim); }
.cta-band p { color: var(--ink-mid); max-width: 54ch; margin-bottom: 32px; font-size: 1.05rem; }

/* Former inline style= attributes, externalised so the CSP needs no 'unsafe-inline' */
#approach { margin-top: 16px; }
.article-link + .article-link { margin-left: 20px; }

/* ─── Small content utilities ─── */
.why-lead { font-size: 1.05rem; line-height: 1.65; color: var(--ink); margin-bottom: 24px; }
.why-lead.is-mid { color: var(--ink-mid); margin-bottom: 0; }
.trust-list a { text-decoration: underline; text-underline-offset: 3px; }
.trust-list a:hover { color: var(--accent); }