/* sections.css — Aurevix Engineering
   Homepage section layouts. Ordered as they appear in index.html. */

/* =========================================================================
   HERO
   ========================================================================= */
.hero {
  padding-block: clamp(3rem, 2rem + 4.4vw, 6rem) clamp(3.5rem, 2.4rem + 4.9vw, 6.5rem);
  position: relative;
  overflow: hidden;
}
.hero__inner {
  display: grid;
  gap: var(--sp-8);
  align-items: center;
  grid-template-columns: 1fr;
}
@media (min-width: 60rem) {
  .hero__inner { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: var(--sp-9); }
}
.hero__copy { max-width: 40rem; }
.hero__title { margin-block: var(--sp-4) var(--sp-5); }
/* The mark colour appears once in the headline, on the brand word. */
.hero__title em { font-style: normal; color: var(--c-mark-ink); }
.hero__lede { font-size: var(--fs-md); color: var(--c-ink-2); line-height: var(--lh-snug); margin-block-end: var(--sp-6); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-block-end: var(--sp-6); }
.hero__sla { gap: var(--sp-2); }
.hero__sla .chip { background: var(--c-surface); }
.hero__figure { position: relative; }

/* The setout drawing that animates in the hero. */
.setout-figure { inline-size: 100%; block-size: auto; overflow: visible; }
.js .draw-line {
  stroke-dasharray: var(--dash, 400);
  stroke-dashoffset: var(--dash, 400);
  animation: draw-in var(--dur-5) var(--ease-snap) forwards;
  animation-delay: var(--draw-delay, 0ms);
}
@keyframes draw-in { to { stroke-dashoffset: 0; } }

.js .snap-point {
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: snap-in var(--dur-3) var(--ease-snap) forwards;
  animation-delay: var(--snap-delay, 900ms);
}
@keyframes snap-in {
  0% { opacity: 0; transform: scale(2.4); }
  60% { opacity: 1; transform: scale(0.86); }
  100% { opacity: 1; transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .js .snap-point { opacity: 1 !important; transform: none !important; }
}

/* =========================================================================
   STANDARDS STRIP — sits directly under the hero. This is the first trust
   signal a buyer meets, which is deliberate: offshore delivery is the largest
   objection, and Australian Standards fluency is the answer to it.
   ========================================================================= */
.standards-strip { border-block: var(--sp-rule) solid var(--c-rule); padding-block: var(--sp-5); }
.standards-strip__inner { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-4) var(--sp-5); }
.standards-strip__label { flex: none; }
.standards-strip__list { display: flex; flex-wrap: wrap; gap: var(--sp-2); list-style: none; margin: 0; padding: 0; }
.standards-strip__list li { margin: 0; }

/* =========================================================================
   DISCIPLINES
   ========================================================================= */
.discipline-grid { display: grid; gap: var(--sp-4); grid-template-columns: repeat(auto-fit, minmax(min(100%, 17.5rem), 1fr)); }
.discipline { display: flex; flex-direction: column; gap: var(--sp-4); }
.discipline__head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-3); }
.discipline__code {
  font-family: var(--ff-mono);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
  color: var(--c-accent-ink);
}
.discipline__title { margin: 0; font-size: var(--fs-lg); }
.discipline__standards { display: flex; flex-wrap: wrap; gap: var(--sp-1); margin-block-start: auto; padding-block-start: var(--sp-2); }
/* At narrow card widths, drop the scope list to a tighter rhythm. */
@container (max-width: 20rem) {
  .discipline__scope li { font-size: var(--fs-xs); }
}

/* =========================================================================
   PROCESS TIMELINE
   ========================================================================= */
.process { display: grid; gap: 0; counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: var(--sp-4);
  padding-block: var(--sp-5);
  border-block-start: var(--sp-rule) solid var(--c-rule);
  position: relative;
}
.step:last-child { border-block-end: var(--sp-rule) solid var(--c-rule); }
@media (min-width: 52rem) {
  .step { grid-template-columns: 2.75rem minmax(0, 16rem) minmax(0, 1fr); gap: var(--sp-6); align-items: start; }
}
.step__num {
  counter-increment: step;
  font-family: var(--ff-mono);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
  color: var(--c-ink-3);
  padding-block-start: 0.35em;
}
.step__num::before { content: counter(step, decimal-leading-zero); }
.step__title { margin: 0; font-size: var(--fs-md); }
.step__body { color: var(--c-ink-2); font-size: var(--fs-sm); grid-column: 2 / -1; }
@media (min-width: 52rem) { .step__body { grid-column: 3; } }
.step__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-block-start: var(--sp-2);
  font-family: var(--ff-mono);
  font-size: var(--fs-3xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-mark-ink);
}
.step__tag::before {
  content: '';
  inline-size: 6px; block-size: 6px;
  background: var(--c-mark);
  transform: rotate(45deg);
  flex: none;
}
/* The QA and sign-off steps are marked with a mark-coloured rule so the
   checkpoints read as checkpoints at a glance. */
.step--check { border-block-start-color: var(--c-mark); }
.step--check .step__num { color: var(--c-mark-ink); }

/* A step that is not yet live — the registered-engineer arrangement. Drawn
   with a dashed rule, exactly like a proposed run on a services drawing. */
.step--proposed { opacity: 0.92; }
.step--proposed .step__title::after {
  content: 'PLANNED';
  font-family: var(--ff-mono);
  font-size: var(--fs-3xs);
  letter-spacing: var(--ls-wide);
  color: var(--c-ink-3);
  border: var(--sp-rule) dashed var(--c-rule-strong);
  border-radius: var(--r-1);
  padding: 2px 6px;
  margin-inline-start: var(--sp-3);
  vertical-align: middle;
  white-space: nowrap;
}

/* =========================================================================
   DELIVERABLES + SAMPLE SHEETS
   ========================================================================= */
.deliverables { display: grid; gap: var(--sp-7); grid-template-columns: 1fr; }
@media (min-width: 62rem) { .deliverables { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: var(--sp-9); align-items: start; } }

.sheet-stack { display: grid; gap: var(--sp-4); }
.sheet {
  border: var(--sp-rule) solid var(--c-rule-strong);
  border-radius: var(--r-2);
  background: var(--c-surface);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  transition: transform var(--dur-2) var(--ease-snap), box-shadow var(--dur-2) var(--ease-standard);
}
.sheet:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }
.sheet svg { display: block; inline-size: 100%; block-size: auto; }
.sheet__caption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  border-block-start: var(--sp-rule) solid var(--c-rule);
  font-family: var(--ff-mono);
  font-size: var(--fs-2xs);
  letter-spacing: 0.02em;
  color: var(--c-ink-3);
  background: var(--c-surface-2);
}

/* LOD ladder */
.lod { display: grid; gap: 0; margin-block-start: var(--sp-6); }
.lod__row {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: var(--sp-4);
  padding-block: var(--sp-4);
  border-block-start: var(--sp-rule) solid var(--c-rule);
  align-items: baseline;
}
.lod__row:last-child { border-block-end: var(--sp-rule) solid var(--c-rule); }
.lod__level {
  font-family: var(--ff-mono);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--c-mark-ink);
  letter-spacing: 0.02em;
}
.lod__what { font-size: var(--fs-sm); color: var(--c-ink-2); }
.lod__what strong { display: block; color: var(--c-ink); font-size: var(--fs-base); margin-block-end: 2px; }

/* =========================================================================
   PARTNERS
   ========================================================================= */
.partners { display: grid; gap: var(--sp-4); grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); }
.partner { display: flex; flex-direction: column; gap: var(--sp-3); }
.partner__years {
  font-family: var(--ff-display);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  line-height: 1;
  letter-spacing: var(--ls-tight);
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
}
/* The number and its unit are separate elements: the count-up animation
   replaces the number's text node, so the unit must not live inside it. */
.partner__years-n { font-variant-numeric: tabular-nums; }
.partner__years-u { font-size: var(--fs-sm); font-weight: var(--fw-medium); color: var(--c-ink-3); letter-spacing: var(--ls-normal); margin-inline-start: var(--sp-2); font-family: var(--ff-mono); }
.partner__name { margin: 0; font-size: var(--fs-md); }
.partner__role {
  font-family: var(--ff-mono);
  font-size: var(--fs-2xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-mark-ink);
}
.partner__note { font-size: var(--fs-sm); color: var(--c-ink-2); }

/* =========================================================================
   TIME ZONE BAND
   ========================================================================= */
.tz { display: grid; gap: var(--sp-7); grid-template-columns: 1fr; }
@media (min-width: 60rem) { .tz { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: var(--sp-9); align-items: center; } }

.tz-chart { display: grid; gap: var(--sp-3); }
.tz-row { display: grid; grid-template-columns: 6.5rem 1fr; gap: var(--sp-4); align-items: center; }
.tz-row__label {
  font-family: var(--ff-mono);
  font-size: var(--fs-2xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-ink-3);
}
.tz-row__label strong { display: block; color: var(--c-ink); font-weight: var(--fw-bold); letter-spacing: 0.02em; }
.tz-bar {
  position: relative;
  block-size: 30px;
  border: var(--sp-rule) solid var(--c-rule-strong);
  border-radius: var(--r-1);
  background:
    repeating-linear-gradient(
      to right,
      var(--c-rule) 0 var(--sp-rule),
      transparent var(--sp-rule) calc(100% / 24)
    );
  overflow: hidden;
}
/* Working hours block, positioned with --from/--to as 0-24 hour numbers. */
.tz-bar__work {
  position: absolute;
  inset-block: 0;
  inset-inline-start: calc(var(--from) / 24 * 100%);
  inline-size: calc((var(--to) - var(--from)) / 24 * 100%);
  background: color-mix(in srgb, var(--c-ink) 26%, transparent);
}
.tz-bar__overlap {
  position: absolute;
  inset-block: 0;
  inset-inline-start: calc(var(--from) / 24 * 100%);
  inline-size: calc((var(--to) - var(--from)) / 24 * 100%);
  background: var(--c-mark);
  opacity: 0.9;
}
.tz-scale {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: var(--sp-4);
  font-family: var(--ff-mono);
  font-size: var(--fs-3xs);
  color: var(--c-ink-3);
}
.tz-scale__ticks { display: flex; justify-content: space-between; }
.tz-legend { display: flex; flex-wrap: wrap; gap: var(--sp-4); margin-block-start: var(--sp-4); font-family: var(--ff-mono); font-size: var(--fs-2xs); color: var(--c-ink-3); }
.tz-legend span { display: inline-flex; align-items: center; gap: var(--sp-2); }
.tz-legend i { inline-size: 14px; block-size: 10px; border-radius: 2px; flex: none; }

/* =========================================================================
   SECTORS
   ========================================================================= */
.sectors { display: grid; gap: var(--sp-4); grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); }
.sector__title { margin: 0 0 var(--sp-2); font-size: var(--fs-md); }
.sector__scope { font-size: var(--fs-sm); color: var(--c-ink-2); }

/* =========================================================================
   COMMERCIAL / TRUST
   ========================================================================= */
.trust { display: grid; gap: var(--sp-4); grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
.trust__item { display: flex; flex-direction: column; gap: var(--sp-2); }
.trust__title { margin: 0; font-size: var(--fs-base); font-family: var(--ff-display); font-weight: var(--fw-semibold); }
.trust__body { font-size: var(--fs-sm); color: var(--c-ink-2); }

/* =========================================================================
   PRICING + ESTIMATOR
   ========================================================================= */
.models { display: grid; gap: var(--sp-4); grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); margin-block-end: var(--sp-8); }
.model__name { margin: 0 0 var(--sp-1); font-size: var(--fs-md); }
.model__for { font-family: var(--ff-mono); font-size: var(--fs-2xs); letter-spacing: var(--ls-wide); text-transform: uppercase; color: var(--c-mark-ink); margin-block-end: var(--sp-3); }
.model__body { font-size: var(--fs-sm); color: var(--c-ink-2); }

.estimator {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: 1fr;
  border: var(--sp-rule) solid var(--c-rule-strong);
  border-radius: var(--r-4);
  background: var(--c-surface);
  overflow: hidden;
}
@media (min-width: 58rem) {
  .estimator { grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr); gap: 0; }
}
.estimator__controls { padding: var(--sp-6); display: grid; gap: var(--sp-5); align-content: start; }
.estimator__out {
  padding: var(--sp-6);
  background: var(--c-sunken);
  border-inline-start: var(--sp-rule) solid var(--c-rule);
  display: grid;
  gap: var(--sp-5);
  align-content: start;
}
@media (max-width: 57.99rem) {
  .estimator__out { border-inline-start: 0; border-block-start: var(--sp-rule) solid var(--c-rule); }
}

.range-row { display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-3); }
.range-row output {
  font-family: var(--ff-mono);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
}
input[type='range'] {
  inline-size: 100%;
  appearance: none;
  background: transparent;
  cursor: pointer;
  block-size: 28px;
  margin: 0;
}
input[type='range']::-webkit-slider-runnable-track {
  block-size: 4px;
  border-radius: var(--r-pill);
  background: var(--c-rule-strong);
}
input[type='range']::-moz-range-track {
  block-size: 4px;
  border-radius: var(--r-pill);
  background: var(--c-rule-strong);
}
input[type='range']::-webkit-slider-thumb {
  appearance: none;
  inline-size: 20px; block-size: 20px;
  margin-block-start: -8px;
  border-radius: var(--r-pill);
  background: var(--c-mark);
  border: 2px solid var(--c-surface);
  box-shadow: 0 0 0 1px var(--c-mark);
  transition: transform var(--dur-1) var(--ease-snap);
}
input[type='range']::-moz-range-thumb {
  inline-size: 16px; block-size: 16px;
  border-radius: var(--r-pill);
  background: var(--c-mark);
  border: 2px solid var(--c-surface);
  box-shadow: 0 0 0 1px var(--c-mark);
}
input[type='range']:active::-webkit-slider-thumb { transform: scale(1.15); }
input[type='range']:focus-visible { outline: 2px solid var(--c-focus); outline-offset: 4px; border-radius: var(--r-pill); }

.readout { display: grid; gap: var(--sp-1); }
.readout__label {
  font-family: var(--ff-mono);
  font-size: var(--fs-2xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-ink-3);
}
.readout__value {
  font-family: var(--ff-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  line-height: 1.05;
  letter-spacing: var(--ls-tight);
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
}
.readout__value--sm { font-size: var(--fs-lg); }
.readout__note { font-size: var(--fs-xs); color: var(--c-ink-3); }

/* In-house comparison bars */
.compare { display: grid; gap: var(--sp-3); }
.compare__row { display: grid; gap: var(--sp-2); }
.compare__head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-3); font-size: var(--fs-xs); }
.compare__head span:first-child { font-family: var(--ff-mono); letter-spacing: var(--ls-wide); text-transform: uppercase; color: var(--c-ink-3); }
.compare__head span:last-child { font-family: var(--ff-mono); font-weight: var(--fw-bold); color: var(--c-ink); font-variant-numeric: tabular-nums; }
.compare__track { block-size: 10px; border-radius: var(--r-1); background: var(--c-rule-faint); overflow: hidden; border: var(--sp-rule) solid var(--c-rule); }
.compare__fill {
  block-size: 100%;
  inline-size: var(--pct, 0%);
  background: var(--c-rule-strong);
  transition: inline-size var(--dur-4) var(--ease-snap);
}
.compare__fill--ours { background: var(--c-mark); }

.estimator__caveat {
  font-size: var(--fs-xs);
  color: var(--c-ink-3);
  border-block-start: var(--sp-rule) solid var(--c-rule);
  padding-block-start: var(--sp-4);
}

/* =========================================================================
   ENQUIRY
   ========================================================================= */
.enquiry { display: grid; gap: var(--sp-7); grid-template-columns: 1fr; }
@media (min-width: 62rem) { .enquiry { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: var(--sp-9); align-items: start; } }
.enquiry__form { display: grid; gap: var(--sp-5); }
.enquiry__pair { display: grid; gap: var(--sp-5); grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }
.enquiry__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-4); }
/* Honeypot. Deliberately NOT display:none — the more careful bots skip those. */
.hp-field {
  position: absolute;
  left: -9999px;
  inline-size: 1px; block-size: 1px;
  overflow: hidden;
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-footer {
  border-block-start: var(--sp-rule) solid var(--c-rule);
  padding-block: var(--sp-8) var(--sp-6);
  background: var(--c-surface-2);
}
.footer-top {
  display: grid;
  gap: var(--sp-7);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  margin-block-end: var(--sp-8);
}
.footer-col__title {
  font-family: var(--ff-mono);
  font-size: var(--fs-2xs);
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  color: var(--c-ink-3);
  margin: 0 0 var(--sp-4);
  font-weight: var(--fw-medium);
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--sp-2); }
.footer-col li { margin: 0; }
.footer-col a, .footer-col p { font-size: var(--fs-sm); color: var(--c-ink-2); text-decoration: none; margin: 0; }
.footer-col a:hover { color: var(--c-mark-ink); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block-start: var(--sp-5);
  border-block-start: var(--sp-rule) solid var(--c-rule);
  font-size: var(--fs-xs);
  color: var(--c-ink-3);
}
.footer-bottom p { margin: 0; max-width: none; }

/* =========================================================================
   CTA BAND (before the footer)
   ========================================================================= */
.cta-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}
.cta-band__copy { max-width: 38rem; }
.cta-band__title { margin: 0 0 var(--sp-3); font-size: var(--fs-xl); }


/* =========================================================================
   SECTION TINT — the third ground, between paper and a full band. Used to
   give the long page a rhythm without a hard inversion at every step.
   ========================================================================= */
.section--tint { background: var(--c-surface-2); }

/* =========================================================================
   SVG TYPOGRAPHY
   The inline drawings set font-family as a presentation attribute, which has
   lower priority than any stylesheet rule — so these declarations are what
   actually apply, and the attributes are only a fallback.
   ========================================================================= */
.setout-figure text,
.sheet text { font-family: var(--ff-mono); font-variant-ligatures: none; }