/* ============================================================
   WILDFIRE AI AGENTS — controlled-burn design system · v2
   Charred palette, Big Shoulders display, ember burn-line.
   v2: mobile-safe header CTA, transform-based burnline,
   readable mono labels, forms, tables, FAQ, portrait.
   ============================================================ */

:root {
  --char:      #1a1512;
  --char-deep: #140f0c;
  --ash:       #241d17;
  --ash-2:     #2c241d;
  --line:      #3c322a;
  --smoke:     #bdb2a6;
  --smoke-dim: #998e81;
  --bone:      #f0e9df;
  --ember:     #ff4d1c;
  --ember-dim: #cf3a10;

  --display: "Big Shoulders Display", "Arial Narrow", "Helvetica Neue", sans-serif;
  --body:    "IBM Plex Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono:    "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --w: 1100px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  background: var(--char);
  color: var(--smoke);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ember); color: var(--char-deep); }

a { color: var(--bone); text-decoration-color: var(--ember); text-underline-offset: 3px; }
a:hover { color: var(--ember); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
  border-radius: 1px;
}

.wrap { max-width: var(--w); margin: 0 auto; padding: 0 var(--pad); }

/* ---------- header ---------- */

.site-head {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--char) 90%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap {
  display: flex; flex-wrap: wrap; align-items: center;
  column-gap: 1.5rem; row-gap: .4rem;
  padding-top: .8rem; padding-bottom: .8rem;
}
.wordmark {
  display: flex; align-items: baseline; gap: .5rem;
  text-decoration: none; white-space: nowrap; order: 1;
}
.wordmark .flame {
  width: 10px; height: 10px; background: var(--ember);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  transform: translateY(-1px);
}
.wordmark .name {
  font-family: var(--display); font-weight: 800; font-size: 1.35rem;
  letter-spacing: .04em; color: var(--bone); text-transform: uppercase;
}
.wordmark .sub {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .22em;
  color: var(--smoke-dim); text-transform: uppercase;
}
.site-nav { order: 2; margin-left: auto; display: flex; align-items: center; gap: 1.35rem; overflow-x: auto; }
.site-nav a {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .13em;
  text-transform: uppercase; text-decoration: none; color: var(--smoke);
  padding: .35rem 0; border-bottom: 2px solid transparent; white-space: nowrap;
}
.site-nav a:hover { color: var(--bone); }
.site-nav a[aria-current="page"] { color: var(--bone); border-bottom-color: var(--ember); }
.head-cta {
  order: 3;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .12em;
  text-transform: uppercase; text-decoration: none; color: var(--bone);
  border: 1px solid var(--ember); padding: .5rem .9rem; white-space: nowrap;
}
.head-cta:hover { background: var(--ember); color: var(--char-deep); }

@media (max-width: 860px) {
  .wordmark .sub { display: none; }
  .head-cta { order: 2; margin-left: auto; }
  .site-nav { order: 3; width: 100%; margin-left: 0; gap: 1.1rem; }
}

/* ---------- burn line (signature) ---------- */

.burnline { position: relative; height: 1px; background: var(--line); overflow: hidden; }
.burnline::after {
  content: ""; position: absolute; top: -1px; left: 0;
  width: 72px; height: 3px; background: var(--ember);
  box-shadow: 0 0 12px 1px color-mix(in srgb, var(--ember) 70%, transparent);
  transform: translateX(-90px);
  animation: advance 11s linear infinite;
  will-change: transform;
}
@keyframes advance {
  to { transform: translateX(1200px); }
}
@media (prefers-reduced-motion: reduce) {
  .burnline::after { animation: none; transform: none; left: 14%; }
}

/* ---------- section scaffolding ---------- */

section { padding: clamp(3.5rem, 8vw, 6rem) 0; }

.eyebrow {
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--mono); font-size: .78rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--smoke-dim); margin-bottom: 1.1rem;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; background: var(--ember); flex: none; }

h1, h2, h3 { color: var(--bone); font-family: var(--display); text-transform: uppercase; }
h1 {
  font-weight: 800; line-height: .95; letter-spacing: .005em;
  font-size: clamp(3rem, 9vw, 6.75rem);
}
h2 { font-weight: 700; font-size: clamp(1.9rem, 4.5vw, 2.9rem); line-height: 1.02; margin-bottom: 1.25rem; }
h3 { font-weight: 700; font-size: 1.25rem; letter-spacing: .03em; margin-bottom: .4rem; }

.lede { font-size: clamp(1.1rem, 2vw, 1.3rem); max-width: 46em; color: var(--smoke); }
.measure { max-width: 42em; }
p + p { margin-top: 1rem; }
strong { color: var(--bone); font-weight: 600; }

/* ---------- hero ---------- */

.hero { padding: clamp(4rem, 10vw, 7.5rem) 0 clamp(3rem, 7vw, 5rem); }
.hero h1 { margin: .75rem 0 1.5rem; max-width: 12em; }
.hero h1 .em { color: var(--ember); }
.hero .lede { margin-bottom: 2.25rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: .9rem; }

.btn {
  display: inline-block; font-family: var(--mono); font-size: .78rem;
  letter-spacing: .14em; text-transform: uppercase; text-decoration: none;
  padding: .95rem 1.4rem; border: 1px solid var(--ember); color: var(--bone);
  background: none; cursor: pointer;
}
.btn.solid { background: var(--ember); color: var(--char-deep); font-weight: 500; }
.btn.solid:hover { background: var(--bone); border-color: var(--bone); color: var(--char-deep); }
.btn.ghost:hover { background: var(--ember); color: var(--char-deep); }

/* ---------- cards & grids ---------- */

.grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .grid.cols-3 { grid-template-columns: 1fr; } }
@media (max-width: 680px) { .grid.cols-2 { grid-template-columns: 1fr; } }

.cell { background: var(--ash); padding: 1.75rem 1.6rem; }
.cell .tag {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ember); display: block; margin-bottom: .8rem;
}
.cell p { font-size: .97rem; color: var(--smoke); }

/* spec rows */

.spec { border-top: 1px solid var(--line); }
.spec-row {
  display: grid; grid-template-columns: 220px 1fr; gap: 1.5rem;
  padding: 1.4rem 0; border-bottom: 1px solid var(--line);
}
.spec-row dt {
  font-family: var(--mono); font-size: .76rem; letter-spacing: .15em;
  text-transform: uppercase; color: var(--bone); padding-top: .2rem;
}
.spec-row dd p { font-size: .98rem; }
@media (max-width: 680px) {
  .spec-row { grid-template-columns: 1fr; gap: .4rem; }
}

/* ---------- process steps ---------- */

.step {
  display: grid; grid-template-columns: 90px 1fr; gap: 1.5rem;
  padding: 2rem 0; border-bottom: 1px solid var(--line);
}
.step:first-of-type { border-top: 1px solid var(--line); }
.step .num {
  font-family: var(--display); font-weight: 800; font-size: 2.4rem;
  color: var(--line); line-height: 1;
}
.step.lit .num { color: var(--ember); }
.step h3 { margin-bottom: .5rem; }
.step .meta {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--smoke-dim); margin-bottom: .6rem;
}
@media (max-width: 680px) { .step { grid-template-columns: 56px 1fr; gap: 1rem; } .step .num { font-size: 1.7rem; } }

/* ---------- pricing ---------- */

.tier { display: flex; flex-direction: column; }
.tier .price {
  font-family: var(--display); font-weight: 800; font-size: 2rem;
  color: var(--bone); margin: .2rem 0 .9rem;
}
.tier .price .from { font-family: var(--mono); font-size: .7rem; letter-spacing: .16em; color: var(--smoke-dim); display: block; margin-bottom: .25rem; text-transform: uppercase; }
.tier ul { list-style: none; margin-top: .4rem; }
.tier li { padding: .45rem 0 .45rem 1.2rem; position: relative; font-size: .95rem; border-top: 1px solid var(--line); }
.tier li:first-child { border-top: 0; }
.tier li::before { content: ""; position: absolute; left: 0; top: .95rem; width: 7px; height: 7px; background: var(--ember); }
.tier .fit { margin-top: auto; padding-top: 1.1rem; font-size: .88rem; color: var(--smoke-dim); }

/* ---------- market table ---------- */

.market { width: 100%; border-collapse: collapse; border: 1px solid var(--line); }
.market th, .market td { text-align: left; padding: .95rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.market th {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--smoke-dim); font-weight: 500;
  background: var(--char-deep);
}
.market td { font-size: .95rem; }
.market td:first-child { color: var(--bone); font-weight: 600; }
.market tr.us td { background: var(--ash); }
.market tr.us td:first-child { color: var(--ember); }
.market .num { font-family: var(--mono); font-size: .88rem; white-space: nowrap; }
.table-scroll { overflow-x: auto; }
@media (max-width: 680px) { .market th, .market td { padding: .75rem .7rem; } }

/* ---------- band / callout ---------- */

.band { background: var(--char-deep); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band blockquote {
  font-family: var(--display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(1.6rem, 4vw, 2.6rem); line-height: 1.1; color: var(--bone);
  max-width: 20em;
}
.band blockquote .em { color: var(--ember); }
.band .attr { margin-top: 1.25rem; }

/* ---------- stats strip ---------- */

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.stat { background: var(--char-deep); padding: 1.6rem 1.4rem; }
.stat .n { font-family: var(--display); font-weight: 800; font-size: 2.4rem; color: var(--ember); line-height: 1; }
.stat .l { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--smoke-dim); margin-top: .5rem; display: block; }
@media (max-width: 680px) { .stats { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 1.3rem 2.2rem 1.3rem 0;
  font-family: var(--display); font-weight: 700; font-size: 1.15rem;
  text-transform: uppercase; letter-spacing: .03em; color: var(--bone);
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: .2rem; top: 50%; transform: translateY(-50%);
  color: var(--ember); font-family: var(--mono); font-size: 1.2rem;
}
.faq details[open] summary::after { content: "–"; }
.faq .a { padding: 0 0 1.4rem; max-width: 42em; }
.faq .a p { font-size: .98rem; }

/* ---------- case studies ---------- */

.case { border: 1px solid var(--line); background: var(--ash); padding: 2rem 1.8rem; }
.case + .case { margin-top: 1.5rem; }
.case .tag { font-family: var(--mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ember); display: block; margin-bottom: .7rem; }
.case .big { font-family: var(--display); font-weight: 800; font-size: 2.2rem; color: var(--bone); line-height: 1; margin: .8rem 0 .4rem; }
.case .big small { font-size: 1rem; font-family: var(--mono); color: var(--smoke-dim); letter-spacing: .1em; }

/* ---------- portrait ---------- */

.about-grid { display: grid; grid-template-columns: 260px 1fr; gap: 2.5rem; align-items: start; }
.portrait { border: 1px solid var(--line); background: var(--char-deep); position: relative; }
.portrait img { display: block; width: 100%; height: auto; filter: grayscale(35%) contrast(1.02); }
.portrait .cap {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--smoke-dim); padding: .6rem .8rem; border-top: 1px solid var(--line); display: block;
}
@media (max-width: 760px) { .about-grid { grid-template-columns: 1fr; } .portrait { max-width: 320px; } }

/* ---------- forms ---------- */

.form { max-width: 42em; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 620px) { .form .row { grid-template-columns: 1fr; } }
.field { margin-bottom: 1.1rem; }
.field label {
  display: block; font-family: var(--mono); font-size: .72rem;
  letter-spacing: .16em; text-transform: uppercase; color: var(--smoke-dim); margin-bottom: .4rem;
}
.field input, .field textarea, .field select {
  width: 100%; background: var(--char-deep); border: 1px solid var(--line);
  color: var(--bone); font-family: var(--body); font-size: 1rem;
  padding: .8rem .9rem;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--smoke-dim); opacity: .7; }

.contact-lines { border-top: 1px solid var(--line); }
.contact-lines .spec-row dd a { font-family: var(--mono); font-size: .95rem; }

/* ---------- CTA close ---------- */

.close-cta h2 { max-width: 16em; }

/* ---------- footer ---------- */

.site-foot { border-top: 1px solid var(--line); background: var(--char-deep); }
.site-foot .inner { padding-top: 2rem; padding-bottom: 2.5rem; }
.site-foot .rows { display: flex; flex-wrap: wrap; gap: .8rem 2.5rem; align-items: baseline; }
.site-foot .rows + .rows { margin-top: 1rem; }
.site-foot p, .site-foot a {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--smoke-dim);
}
.site-foot a { text-decoration: none; }
.site-foot a:hover { color: var(--ember); }
.site-foot .spacer { flex: 1; }

/* ---------- utilities ---------- */

.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.small { font-size: .88rem; color: var(--smoke-dim); }
.mono-note { font-family: var(--mono); font-size: .8rem; letter-spacing: .05em; color: var(--smoke-dim); }
.legal h2 { font-size: 1.4rem; margin-top: 2.2rem; }
.legal p { max-width: 46em; font-size: .97rem; }

/* ---------- v3 additions ---------- */

.vignette { border: 1px solid var(--line); background: var(--char-deep); padding: 1.8rem 1.7rem; max-width: 44em; }
.vignette .stamp { font-family: var(--mono); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ember); display: block; margin-bottom: .8rem; }
.vignette p { font-size: 1rem; }
.chips { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.2rem; }
.chip { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; color: var(--smoke); border: 1px solid var(--line); padding: .35rem .7rem; white-space: nowrap; }

.market td.yes { color: var(--bone); font-weight: 600; }
.market td.no { color: var(--smoke-dim); }
.market td.mid { color: var(--smoke); }

.demo-cell h3 { font-size: 1.05rem; }
.phone-cta { font-family: var(--mono); font-size: .95rem; letter-spacing: .06em; }

/* ---------- v3.1: responsive CTA split ---------- */
.only-mobile { display: none; }
.only-desktop { display: inline-block; }
@media (max-width: 800px) {
  .only-mobile { display: inline-block; }
  .only-desktop { display: none; }
}
.phone-cta a { font-family: var(--mono); }