/* ==========================================================================
   FAcode — pages.css
   Page-level compositions built from the components. Tokens only, no hexes.
   ========================================================================== */


/* ==========================================================================
   HOME — hero
   ========================================================================== */

.hero {
  position: relative;
  padding-block: clamp(48px, 6vw, 96px) clamp(56px, 7vw, 112px);
  overflow: hidden;
}

/* A single hairline that runs the full bleed, anchoring the composition */
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: var(--bw-hair);
  background: var(--line-on-navy);
}

.hero-grid {
  display: grid;
  gap: clamp(40px, 5vw, 72px);
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin: 0 0 var(--sp-5);
  max-width: none;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-on-navy-accent);
}

.hero-eyebrow::before {
  content: "";
  width: var(--sp-5);
  height: var(--bw-rule);
  background: var(--line-accent);
}

.hero h1 {
  margin-bottom: var(--sp-4);
  max-width: 20ch;
  color: var(--text-on-navy);
  text-wrap: normal;
}

.hero h1 .accent { color: var(--text-on-navy-accent); }

.hero-sub {
  margin-bottom: var(--sp-6);
  max-width: 48ch;
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  color: var(--text-on-navy-body);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2) var(--sp-5);
  margin-bottom: var(--sp-7);
}

.hero-actions .link-arrow { color: var(--text-on-navy); }
.hero-actions .link-arrow:hover { color: var(--text-on-navy-accent); }

/* Credential rows — hairline separated, never a bulleted list of ticks */
.hero-meta {
  display: grid;
  list-style: none;
  border-top: var(--bw-hair) solid var(--line-on-navy);
  max-width: 46ch;
}

.hero-meta li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-2);
  align-items: center;
  padding: var(--sp-2) 0;
  border-bottom: var(--bw-hair) solid var(--line-on-navy);
  font-size: var(--fs-sm);
  color: var(--text-on-navy-body);
}

.hero-meta .icon {
  width: 15px;
  height: 15px;
  stroke-width: 2;
  color: var(--text-on-navy-accent);
}

/* The code panel bleeds a little past the grid on purpose */
.hero-visual { min-width: 0; }

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5.5fr);
    gap: clamp(40px, 5vw, 88px);
  }
}

@media (min-width: 1320px) {
  .hero-visual { margin-right: calc(var(--gutter) * -1); }
}


/* ==========================================================================
   HOME — intro statement
   ========================================================================== */

.intro-grid {
  display: grid;
  gap: var(--sp-4);
}

.intro-grid .intro-rule {
  height: var(--bw-rule);
  width: var(--sp-8);
  background: var(--line-accent);
}

.intro-grid p {
  max-width: var(--measure);
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-regular);
  line-height: 1.46;
  letter-spacing: var(--ls-snug);
  color: var(--text-strong);
}

@media (min-width: 900px) {
  .intro-grid {
    grid-template-columns: minmax(0, 2fr) minmax(0, 9fr);
    gap: var(--grid-gap);
    align-items: start;
  }
  .intro-grid .intro-rule { margin-top: 0.75em; }
}


/* ==========================================================================
   HOME — trailing link under a section
   ========================================================================== */

.section-foot {
  max-width: none;
  margin-top: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: var(--bw-hair) solid var(--line);
}


/* ==========================================================================
   INNER PAGES — page hero
   ========================================================================== */

.page-hero {
  padding-block: clamp(48px, 5vw, 88px) clamp(40px, 4vw, 72px);
  border-bottom: var(--bw-hair) solid var(--line-on-navy);
}

.page-hero h1 {
  margin-bottom: var(--sp-4);
  max-width: 18ch;
  color: var(--text-on-navy);
}

.page-hero .lead {
  margin-bottom: 0;
  max-width: var(--measure);
  color: var(--text-on-navy-body);
}

.page-hero .breadcrumb { color: var(--text-on-navy-muted); }
.page-hero .breadcrumb a:hover { color: var(--text-on-navy-accent); }

@media (min-width: 960px) {
  .page-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 96px);
    align-items: end;
  }
  .page-hero-grid h1 { margin-bottom: 0; }
}


/* ==========================================================================
   SERVICES — one template repeated six times
   ========================================================================== */

.service-detail {
  display: grid;
  gap: var(--sp-6);
  padding-block: var(--section-y);
  border-top: var(--bw-hair) solid var(--line);
  scroll-margin-top: calc(var(--header-h-lg) + 56px);
}

.service-detail:first-of-type { border-top: 0; padding-top: var(--sp-6); }

.sd-head { align-self: start; }

.sd-num {
  display: block;
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: var(--bw-rule) solid var(--line-accent);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  color: var(--text-accent);
}

.sd-head h2 {
  margin-bottom: var(--sp-3);
  font-size: var(--fs-2xl);
  letter-spacing: var(--ls-display);
}

.sd-head .lead {
  margin-bottom: 0;
  font-size: var(--fs-base);
  max-width: 40ch;
}

.sd-body > p {
  margin-bottom: var(--sp-5);
  max-width: var(--measure);
}

/* Key Features / What You Gain / Best For — one elegant repeated group */
.sd-group + .sd-group { margin-top: var(--sp-5); }

.sd-group h3 {
  margin-bottom: var(--sp-2);
  padding-bottom: var(--sp-1);
  border-bottom: var(--bw-hair) solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-muted);
}

.sd-list { list-style: none; }

.sd-list li {
  position: relative;
  padding: var(--sp-1) 0 var(--sp-1) var(--sp-4);
  max-width: var(--measure);
  font-size: var(--fs-sm);
  color: var(--text-body);
}

.sd-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05em;
  width: var(--sp-2);
  height: var(--bw-hair);
  background: var(--line-accent);
}

@media (min-width: 900px) {
  .service-detail {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(40px, 5vw, 96px);
    padding-block: var(--section-y-lg);
  }

  .sd-head {
    position: sticky;
    top: calc(var(--header-h-lg) + 72px);
  }

  /* Two columns for the longer feature lists, still on the hairline rhythm */
  .sd-group--split .sd-list {
    columns: 2;
    column-gap: var(--sp-6);
  }
  .sd-group--split .sd-list li { break-inside: avoid; max-width: none; }
}


/* ==========================================================================
   SERVICES — "start with the problem" router
   ========================================================================== */

.router { border-top: var(--bw-hair) solid var(--line); list-style: none; }

.router li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-2) var(--sp-3);
  align-items: baseline;
  padding: var(--sp-3) 0;
  border-bottom: var(--bw-hair) solid var(--line);
}

.router .icon { width: 14px; height: 14px; color: var(--text-accent); align-self: center; }

.router b {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-snug);
  color: var(--text-strong);
}

.router p {
  margin: var(--sp-h) 0 0;
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

@media (min-width: 800px) {
  .router li { grid-template-columns: auto minmax(0, 7fr) minmax(0, 5fr); align-items: center; }
  .router p { margin: 0; }
}


/* ==========================================================================
   ABOUT — story, timeline, stack
   ========================================================================== */

.story-tagline {
  margin-top: var(--sp-5);
  padding-top: var(--sp-3);
  border-top: var(--bw-rule) solid var(--line-accent);
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  line-height: 1.35;
  letter-spacing: var(--ls-snug);
  color: var(--text-strong);
  max-width: 28ch;
}

/* Vertical hairline track — the process, told as a sequence */
.timeline {
  position: relative;
  list-style: none;
  padding-left: var(--sp-4);
  border-left: var(--bw-hair) solid var(--line);
}

.timeline li {
  position: relative;
  padding-bottom: var(--sp-5);
}

.timeline li:last-child { padding-bottom: 0; }

.timeline li::before {
  content: "";
  position: absolute;
  left: calc(var(--sp-4) * -1 - 1px);
  top: 0.55em;
  width: var(--sp-3);
  height: var(--bw-rule);
  background: var(--line-accent);
}

.tl-year {
  display: block;
  margin-bottom: var(--sp-h);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-accent);
}

.timeline h3 { margin-bottom: var(--sp-h); font-size: var(--fs-md); }

.timeline p {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

/* Technology stack */
.tech-groups {
  display: grid;
  gap: var(--sp-6);
}

.tech-group h3 {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: var(--bw-hair) solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-muted);
}

.tech-group h3 .icon { width: 16px; height: 16px; color: var(--text-accent); }

.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  list-style: none;
}

.tech-pills li {
  padding: var(--sp-h) var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-label-sm);
  color: var(--text-body);
  border: var(--bw-hair) solid var(--line);
  border-radius: var(--r-xs);
  transition: border-color var(--t-base), color var(--t-base);
}

.tech-pills li:hover { border-color: var(--line-accent); color: var(--text-accent); }

@media (min-width: 800px) {
  .tech-groups { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--grid-gap); }
}


/* ==========================================================================
   CONTACT
   ========================================================================== */

.contact-grid {
  display: grid;
  gap: var(--grid-gap);
}

.contact-form-card h2 {
  margin-bottom: var(--sp-2);
  font-size: var(--fs-xl);
}

.contact-form-card > p {
  margin-bottom: var(--sp-5);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.contact-form-card {
  padding: var(--sp-5);
  background: var(--white);
  border: var(--bw-hair) solid var(--line);
  border-radius: var(--r-md);
}

.contact-channels { list-style: none; border-top: var(--bw-hair) solid var(--line); }

.contact-channels li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-3);
  align-items: start;
  padding: var(--sp-3) 0;
  border-bottom: var(--bw-hair) solid var(--line);
}

.contact-channels .ch-icon { color: var(--text-accent); padding-top: 2px; }
.contact-channels .icon { width: 20px; height: 20px; }

.contact-channels b {
  display: block;
  margin-bottom: var(--sp-h);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-channels div { font-size: var(--fs-sm); }
.contact-channels span { color: var(--text-body); }

.contact-channels a {
  font-weight: var(--fw-medium);
  text-decoration: none;
  border-bottom: var(--bw-hair) solid color-mix(in srgb, currentColor 35%, transparent);
}

.contact-channels a:hover { border-bottom-color: currentColor; }

.map-wrap {
  margin-top: var(--sp-6);
  border: var(--bw-hair) solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  line-height: 0;
}

.map-wrap iframe { width: 100%; height: 340px; border: 0; display: block; filter: grayscale(1) contrast(1.05); }
.map-wrap:hover iframe { filter: none; }

@media (min-width: 900px) {
  .contact-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; }
  .contact-form-card { padding: var(--sp-6); }
}


/* ==========================================================================
   LEGAL — privacy / terms
   ========================================================================== */

.legal-body { max-width: var(--measure-wide); }

.legal-body .updated {
  margin-bottom: var(--sp-6);
  padding: var(--sp-1) var(--sp-2);
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: var(--ls-label-sm);
  text-transform: uppercase;
  color: var(--text-muted);
  border: var(--bw-hair) solid var(--line);
  border-radius: var(--r-xs);
}

.legal-body h2 {
  margin: var(--sp-8) 0 var(--sp-3);
  padding-top: var(--sp-3);
  border-top: var(--bw-rule) solid var(--text-strong);
  font-size: var(--fs-xl);
  letter-spacing: var(--ls-heading);
}

.legal-body h3 {
  margin: var(--sp-5) 0 var(--sp-2);
  font-size: var(--fs-md);
}

.legal-body p,
.legal-body li { max-width: var(--measure); }

.legal-body ul,
.legal-body ol { margin: 0 0 var(--sp-3); padding-left: var(--sp-3); }

.legal-body li { margin-bottom: var(--sp-1); }

.legal-body ul { list-style: none; padding-left: 0; }

.legal-body ul li {
  position: relative;
  padding-left: var(--sp-4);
}

.legal-body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: var(--sp-2);
  height: var(--bw-hair);
  background: var(--line-accent);
}


/* ==========================================================================
   ENGINEERING TEXTURE
   Deep sections get a blueprint field: a precise hairline grid with sparse
   teal nodes at every third intersection, masked so it fades before it
   reaches the type. Reads as a technical drawing — deliberately not a
   gradient wash or a blurred shape.
   ========================================================================== */

.has-grid { position: relative; isolation: isolate; }

.has-grid > .container { position: relative; z-index: 1; }

.has-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-on-navy-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-on-navy-soft) 1px, transparent 1px),
    radial-gradient(circle at center, var(--teal-500) 1.1px, transparent 1.6px);
  background-size: 72px 72px, 72px 72px, 216px 216px;
  background-position: center top;
  opacity: 0.38;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0,0,0,0.45) 30%, transparent 58%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0,0,0,0.45) 30%, transparent 58%);
}

@media (max-width: 640px) {
  .has-grid::before { background-size: 48px 48px, 48px 48px, 144px 144px; }
}


/* ==========================================================================
   HERO — full-width spec rail
   The three credentials move out of the text column and run the full grid
   as a ruled rail, which closes the dead space under the code panel and
   reads like a specification strip rather than a bulleted list.
   ========================================================================== */

@media (min-width: 900px) {
  .hero-grid { row-gap: clamp(48px, 5vw, 80px); }

  .hero-meta {
    grid-column: 1 / -1;
    max-width: none;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: var(--bw-hair) solid var(--line-on-navy);
  }

  .hero-meta li {
    padding: var(--sp-3) var(--sp-5) var(--sp-3) 0;
    border-bottom: 0;
  }

  .hero-meta li + li {
    padding-left: var(--sp-5);
    border-left: var(--bw-hair) solid var(--line-on-navy);
  }
}


/* ==========================================================================
   CODE PANEL — living terminal detail
   ========================================================================== */

/* A teal filament along the top edge: the panel reads as an active session */
.code-panel { position: relative; }

.code-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: var(--bw-rule);
  background: linear-gradient(to right, var(--teal-500), transparent 62%);
  z-index: 1;
}

/* Hairline gutter separating the line numbers from the source */
.code-panel pre { position: relative; }

.code-panel pre::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(var(--sp-2) + 3ch + var(--sp-3) / 2);
  width: var(--bw-hair);
  background: var(--line-on-navy-soft);
}

/* Blinking caret after the final line */
.code-panel .cl:last-of-type::after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 1em;
  margin-left: 4px;
  vertical-align: -0.16em;
  background: var(--teal-500);
  animation: caret-blink 1.15s steps(1) infinite;
}

@keyframes caret-blink {
  0%, 50%   { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .code-panel .cl:last-of-type::after { animation: none; opacity: 1; }
}


/* ==========================================================================
   SIGNAL MATRIX — capabilities tapped off a shared bus
   Each cell hangs a node on the container's top rule, so the four AI
   capabilities read as taps on one system rather than four loose cards.
   ========================================================================== */

.matrix--signal { counter-reset: signal; }

.matrix--signal > * { position: relative; }

/* the node on the bus */
.matrix--signal > *::before {
  content: "";
  position: absolute;
  top: calc(var(--bw-hair) * -1);
  left: var(--sp-4);
  width: 7px;
  height: 7px;
  border-radius: var(--r-full);
  background: var(--surface);
  border: var(--bw-hair) solid var(--line-accent);
  transform: translateY(-50%);
}

/* tabular index, opposite the icon */
.matrix--signal > *::after {
  counter-increment: signal;
  content: "0" counter(signal);
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  font-family: var(--font-mono);
  font-size: var(--fs-3xs);
  letter-spacing: var(--ls-label);
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 960px) {
  .matrix--signal > *::after { top: var(--sp-5); }
}


/* ==========================================================================
   MARKS STRIP — read it as a stack manifest
   ========================================================================== */

.marks-list li {
  position: relative;
  padding-left: var(--sp-3);
}

.marks-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: var(--sp-2);
  height: var(--bw-hair);
  background: var(--line-accent);
}