/* m|industries — Market Baseline launch site
   Visual direction: dark, sharp, maximalist editorial. Big serif display type,
   monospace data labels, saturated signal-green accent, gradient glow fields,
   grain texture, abstract SVG line-art. No stock photography, no external
   font/asset requests — everything below is CSS/SVG. */

:root {
  --bg: #0a0b0d;
  --bg-alt: #101215;
  --surface: #15171b;
  --surface-2: #1c1f24;
  --text: #f4f2ec;
  --muted: #9a9fa8;
  --muted-dim: #6b6f78;
  --border: #262a30;
  --border-strong: #3a3f47;
  --accent: #a6ff3f;
  --accent-ink: #0c1500;
  --accent-dim: #7fd12f;
  --accent-2: #ff5a36;
  --accent-2-ink: #1a0500;
  --focus: #6fd3ff;
  --max-width: 1160px;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --radius: 4px;
  --radius-lg: 14px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
  position: relative;
}

/* Grain texture overlay, fixed, low opacity, over the whole document */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
  color: var(--text);
}

h1 { font-size: clamp(2.25rem, 4.5vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.9rem, 4vw, 2.75rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.3em; }
li { margin-bottom: 0.5em; }

a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.75em 1.2em;
  z-index: 3000;
  border-radius: 0 0 var(--radius) 0;
  font-weight: 700;
}
.skip-link:focus { left: 0; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(10,11,13,0.86);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  gap: 1rem;
}
.wordmark {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: -0.01em;
}
.wordmark .pipe { color: var(--accent); text-shadow: 0 0 16px rgba(166,255,63,0.6); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-family: var(--mono);
  letter-spacing: 0.01em;
}
.main-nav a:hover, .main-nav a[aria-current="page"] {
  color: var(--accent);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  font-size: 0.95rem;
  font-family: var(--mono);
  color: var(--text);
  cursor: pointer;
}

.header-actions { display: flex; align-items: center; gap: 1rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  padding: 0.8em 1.5em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 1rem;
  font-family: var(--sans);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 0 0 rgba(166,255,63,0);
}
.btn-primary:hover {
  background: var(--accent-dim);
  box-shadow: 0 4px 28px rgba(166,255,63,0.35);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.cta-row { display: flex; flex-wrap: wrap; gap: 0.9rem; margin: 1.2rem 0; }

/* ---------- Sections ---------- */
section { padding: 4.5rem 0; position: relative; }
section.tight { padding: 3.5rem 0 2.5rem; }
.section-border { border-top: 1px solid var(--border); }
.section-alt { background: var(--bg-alt); }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.8em;
  font-family: var(--mono);
}

.lede {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 46em;
}

.reassurance {
  color: var(--muted-dim);
  font-size: 0.92rem;
  margin-top: 0.5rem;
  font-family: var(--mono);
}

/* ---------- Decorative glow field (applied behind the first section on every page) ---------- */
main > section:first-of-type {
  overflow: hidden;
}
main > section:first-of-type::before {
  content: "";
  position: absolute;
  top: -20%;
  left: 50%;
  width: 1400px;
  height: 900px;
  transform: translateX(-50%);
  background:
    radial-gradient(480px 320px at 18% 20%, rgba(166,255,63,0.16), transparent 65%),
    radial-gradient(420px 320px at 82% 10%, rgba(255,90,54,0.12), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* Faint dot-grid backdrop across dark sections for texture/depth */
.section-alt {
  background-image: radial-gradient(rgba(244,242,236,0.05) 1px, transparent 1px);
  background-size: 22px 22px;
}

/* ---------- Hero ---------- */
section.hero { padding: 3rem 0; }
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
}

.hero-signal {
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}
@media (max-width: 860px) { .hero-signal { display: none; } }

.brief-preview {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 1.7rem;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.04);
  position: relative;
}
.brief-preview::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(140deg, rgba(166,255,63,0.5), transparent 40%, transparent 60%, rgba(255,90,54,0.35));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.brief-preview .brief-label {
  font-size: 0.76rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
  font-family: var(--mono);
}
.brief-preview h2 { font-size: 1.3rem; margin-bottom: 0.35em; }
.brief-preview .confidence-tag {
  display: inline-block;
  background: rgba(166,255,63,0.12);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25em 0.7em;
  border-radius: 999px;
  border: 1px solid rgba(166,255,63,0.3);
  margin: 0.4em 0 1.1em;
}
.brief-preview ul { padding-left: 1.1em; }
.brief-preview .watch-line {
  border-top: 1px dashed var(--border-strong);
  padding-top: 0.9em;
  margin-top: 0.9em;
  font-size: 0.95rem;
  color: var(--muted);
}

/* ---------- Grids / cards ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 860px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.question-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.question-list li {
  border-bottom: 1px solid var(--border);
  padding: 1em 0;
  font-size: 1.05rem;
}
.question-list li:last-child { border-bottom: none; }
.question-list a {
  color: var(--text);
  text-decoration: none;
  display: block;
  transition: color 0.15s ease, transform 0.15s ease;
}
.question-list a:hover { color: var(--accent); transform: translateX(4px); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--border-strong); }

.category-block h3 { color: var(--accent); }
.category-desc { color: var(--muted); font-style: italic; margin-bottom: 0.8em; }

/* ---------- Comparison table ---------- */
table.compare {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}
table.compare th, table.compare td {
  text-align: left;
  padding: 0.9em 1em;
  border-bottom: 1px solid var(--border);
}
table.compare th { font-family: var(--mono); text-transform: uppercase; font-size: 0.78rem; letter-spacing: 0.08em; color: var(--muted); font-weight: 700; }

/* ---------- Process steps ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  counter-reset: step;
}
@media (max-width: 860px) { .process-steps { grid-template-columns: 1fr; } }
.process-step {
  border-left: 2px solid var(--border-strong);
  padding-left: 1.1rem;
  position: relative;
}
.process-step .num {
  font-family: var(--mono);
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 700;
  text-shadow: 0 0 20px rgba(166,255,63,0.35);
}

/* ---------- Tabs (sample brief switcher) ---------- */
.tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}
.tab-button {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0.9em 0.1em;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
}
.tab-button:hover { color: var(--text); }
.tab-button[aria-selected="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.tabpanel[hidden] { display: none; }
.tabpanel .brief-preview { max-width: 46em; }
.tabpanel .brief-preview h3 { font-size: 1.3rem; margin-bottom: 0.35em; }

/* ---------- Case example ---------- */
.case-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
@media (max-width: 860px) { .case-strip { grid-template-columns: 1fr; } }
.case-strip .card h3 { margin-bottom: 0.3em; color: var(--accent); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.06em; font-family: var(--mono); }

/* ---------- Founder / about block ---------- */
.founder-block {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 700px) { .founder-block { grid-template-columns: 1fr; } }
.founder-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  position: relative;
  padding: 4px;
  background: conic-gradient(from 140deg, var(--accent), var(--accent-2), var(--accent));
}
.founder-photo img,
.founder-photo .founder-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  display: block;
  object-fit: cover;
  background: var(--surface-2);
}
.founder-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted-dim);
}
.founder-signature { margin-top: 1.5rem; font-family: var(--serif); font-style: italic; color: var(--muted); }

/* ---------- FAQ / accordion ---------- */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 1.1em 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--text);
}
.faq-question:hover { color: var(--accent); }
.faq-question .indicator { color: var(--accent); font-weight: 700; font-family: var(--mono); }
.faq-answer {
  padding: 0 0 1.2em;
  color: var(--muted);
  max-width: 50em;
}
.faq-answer[hidden] { display: none; }

/* ---------- Final CTA band ---------- */
.cta-band {
  background: radial-gradient(900px 400px at 20% 0%, rgba(166,255,63,0.16), transparent 60%),
              radial-gradient(700px 400px at 90% 100%, rgba(255,90,54,0.14), transparent 60%),
              var(--bg-alt);
  color: var(--text);
  text-align: center;
  padding: 4.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-band h2, .cta-band p { color: var(--text); }
.cta-band .cta-row { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  color: var(--muted-dim);
  font-size: 0.92rem;
  background: var(--bg);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
}
.site-footer nav a {
  color: var(--muted);
  margin-right: 1.2rem;
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.85rem;
}
.site-footer nav a:hover { color: var(--accent); }
.footer-line { max-width: 40em; margin-bottom: 0.8em; color: var(--muted); }

/* ---------- Forms ---------- */
.form-field { margin-bottom: 1.3rem; }
.form-field label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.4em;
  color: var(--text);
}
.form-field .required { color: var(--accent); font-weight: 400; }
.form-field .helper {
  color: var(--muted-dim);
  font-size: 0.9rem;
  margin-top: 0.35em;
}
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 0.75em 0.9em;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 1rem;
  background: var(--surface);
  color: var(--text);
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--accent); }
.form-field textarea { resize: vertical; min-height: 6em; }
.form-error {
  color: var(--accent-2);
  font-size: 0.9rem;
  margin-top: 0.3em;
  display: none;
}
.form-field.invalid input,
.form-field.invalid textarea { border-color: var(--accent-2); }
.form-field.invalid .form-error { display: block; }
.honeypot-field { position: absolute; left: -9999px; }

.form-section-title {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  color: var(--accent);
  margin: 2.2rem 0 1.1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.6em;
}
.form-section-title:first-of-type { margin-top: 0; }

.confirmation {
  border: 1px solid var(--border-strong);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border-radius: var(--radius-lg);
  padding: 2.2rem;
}

/* ---------- Self-assessment quiz ---------- */
.skip-quiz-link {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
}
.skip-quiz-link:hover { color: var(--accent); }

fieldset.quiz-question {
  border: none;
  padding: 0 0 1.4rem;
  margin: 0 0 1.4rem;
  border-bottom: 1px solid var(--border);
}
fieldset.quiz-question legend {
  padding: 0;
  margin-bottom: 0.8em;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}
.quiz-options { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.quiz-option {
  display: flex;
  align-items: center;
  gap: 0.55em;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0.6em 1.1em;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 400;
  margin: 0;
}
.quiz-option input { accent-color: var(--accent); }
.quiz-option.is-checked {
  border-color: var(--accent);
  color: var(--text);
}
.quiz-result h2 { font-size: 1.4rem; }
.quiz-result .quiz-gaps { margin: 1em 0; }
.quiz-result .quiz-gaps h3 {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.5em;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--muted-dim);
  margin-bottom: 1rem;
  font-family: var(--mono);
}
.breadcrumb a { color: var(--muted-dim); }
.breadcrumb a:hover { color: var(--accent); }

/* ---------- Mobile nav ---------- */
@media (max-width: 780px) {
  .menu-toggle { display: inline-block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.5rem 1.5rem;
    gap: 1rem;
  }
  .main-nav.open { display: flex; }
  .header-actions .btn-primary { font-size: 0.9rem; padding: 0.6em 1em; }
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}