/* Galt Software — white field, Helvetica, ultra-light headings, teal brand,
   dashed dividers. Design carried over from ../consulting; only what this
   page actually uses is defined here. */

:root {
  /* Colours */
  --color-text-primary: #111;
  --color-text-secondary: #444;
  --color-text-tertiary: #777;
  --color-bg-main: #fff;
  --color-bg-tint: #fffff1;
  --color-bg-accent: #f0f7f9;
  --color-bg-ink: #14161a;
  --color-bg-kbd: rgb(255, 255, 238);
  --color-border-primary: #bbd0d5;

  /* Brand */
  --color-brand-primary: #0e8fa6;
  --color-brand-mid: #1ab8d0;

  /* Typography */
  --font-family-base: 'Helvetica Neue', Helvetica, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
  --font-weight-light: 250;
  --font-weight-normal: 400;
  --font-weight-semibold: 600;

  --font-size-xs: 0.7rem;
  --font-size-sm: 0.85rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.3rem;
  --font-size-xl: 1.4rem;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-base: 1rem;
  --spacing-lg: 1.25rem;
  --spacing-xl: 1.5rem;
  --main-padding-block: 5vw;
  --main-padding-inline: 10vw;

  /* Misc */
  --border-radius-sm: 0.2rem;
  --transition-fast: 0.15s;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-family-base);
  color: var(--color-text-primary);
  background: var(--color-bg-main);
  line-height: 1.65;
}

/* Secondary pages sit on Galt's cream paper rather than the white field. */
body.tinted { background: var(--color-bg-tint); }

main {
  padding: var(--main-padding-block) var(--main-padding-inline);
}

/* ── Links: brand colour + highlight-sweep on hover ──────────────────────── */
a {
  color: var(--color-brand-primary);
  position: relative;
}

a::before {
  content: '';
  position: absolute;
  inset: 0 -0.15em;
  background: var(--color-brand-primary);
  opacity: 0.15;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast) ease-out;
}

a:hover::before { transform: scaleX(1); }

/* ── Headings ────────────────────────────────────────────────────────────── */
h1, h2 { font-weight: var(--font-weight-light); margin-top: 0; }

h1 {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  max-width: 24ch;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-size-xl);
  max-width: 46ch;
}

h3 {
  margin: 0 0 var(--spacing-base);
  font-weight: var(--font-weight-light);
  font-size: var(--font-size-xl);
}

kbd {
  background-color: var(--color-bg-kbd);
  font-family: inherit;
  padding: 0 0.1em;
}

.eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
  margin: 0 0 var(--spacing-base);
}

.hero .eyebrow { margin-bottom: calc(var(--spacing-xl) * 1.5); }

/* ── Nav ─────────────────────────────────────────────────────────────────── */
/* Narrow screens can't hold the wordmark and the address on one line, so the
   address drops below rather than the wordmark breaking in half. */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--spacing-xs) var(--spacing-base);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-xs);
}

.site-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

/* The GS mark wears its own affordance: a 3D lift, never the link sweep. */
.site-brand {
  display: inline-flex;
  align-items: center;
  flex: none;
  gap: 0.55rem;
  color: var(--color-text-primary);
  -webkit-tap-highlight-color: transparent;
}

.site-brand::before { content: none; }

.site-mark {
  height: 1.5rem;
  width: auto;
  display: block;
  transform-origin: center;
  transform: perspective(260px);
  transition: transform 0.3s cubic-bezier(0.2, 0.7, 0.2, 1), filter 0.3s ease;
}

.site-brand:hover .site-mark,
.site-brand:focus-visible .site-mark {
  transform: perspective(260px) rotateX(18deg) rotateY(-24deg) translateZ(16px) scale(1.18);
  filter: drop-shadow(4px 10px 9px rgb(0 0 0 / 0.42));
}

.site-name {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

/* ── Hero: backdrop for the riverfront sketch ────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--spacing-xl) * 2);
  padding-bottom: var(--spacing-xl);
}

/* Only a hero that asks for the sketch reserves room for it. */
.hero[data-sketch] {
  padding-bottom: calc(var(--spacing-xl) * 2.5);
}

/* Canvas sits behind; the copy stays crisp on top of it. The mask dissolves the
   left of the drawing into the page, so no stroke ever rules through a line of
   the headline. It is a percentage, so it tracks the copy as the hero reflows. */
.hero-sketch {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: linear-gradient(to right, transparent 22%, #000 54%);
  mask-image: linear-gradient(to right, transparent 22%, #000 54%);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

/* The headline's consequences, one arrow each, reading on from the sentence. */
.hero-points {
  list-style-type: '→ ';
  margin: 0;
  padding-left: var(--spacing-lg);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-light);
  max-width: 46ch;
}

.hero-points li { margin-bottom: var(--spacing-xs); }

/* ── Section rhythm ──────────────────────────────────────────────────────── */
.block {
  padding-top: calc(var(--spacing-xl) * 2);
  border-top: 1px dashed var(--color-border-primary);
}

/* ── What we do: em-dash list, lead + description ────────────────────────── */
.services-list {
  list-style-type: '— ';
  padding-left: var(--spacing-lg);
  margin: 0;
}

.services-list li { margin-bottom: var(--spacing-base); }

.services-list .lead { font-weight: var(--font-weight-semibold); }

.services-list .desc {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  max-width: 62ch;
}

/* ── Selected work ───────────────────────────────────────────────────────── */
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.work-card {
  border: 1px solid var(--color-border-primary);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-lg);
  transition: border-color var(--transition-fast);
}

.work-card:hover { border-color: var(--color-brand-primary); }

/* A card that leads somewhere is the link, not just its title. */
a.work-card {
  display: block;
  text-decoration: none;
  color: inherit;
}

a.work-card::before { content: none; }

a.work-card h4 { color: var(--color-brand-primary); }

.work-card h4 {
  margin: 0 0 var(--spacing-xs);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
}

.work-card p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.work-meta {
  display: block;
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
}

/* ── About ───────────────────────────────────────────────────────────────── */
.about-inner { max-width: 62ch; }

.about-inner p { color: var(--color-text-secondary); }

.about-inner .lead {
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-light);
  margin-top: 0;
}

/* ── Discovery + contact: side by side ───────────────────────────────────── */
.pricing-contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: stretch;
}

.pricing-contact > * { min-width: 0; }

.pricing-card {
  height: 100%;
  border: 1px solid var(--color-border-primary);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-lg);
  transition: border-color var(--transition-fast);
}

.pricing-card:hover { border-color: var(--color-brand-primary); }

.pricing-card h4 {
  margin: 0 0 var(--spacing-xs);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
}

.price {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-light);
  color: var(--color-brand-primary);
  margin: 0 0 var(--spacing-sm);
}

.price-desc {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Stylised dark "get in touch" box */
.contact-box {
  background: var(--color-bg-ink);
  border-radius: 0.4rem;
  padding: calc(var(--spacing-xl) * 1.2);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--spacing-sm);
}

.contact-box .eyebrow {
  margin: 0;
  color: var(--color-brand-mid);
}

.contact-email {
  display: inline-block;
  font-weight: var(--font-weight-light);
  letter-spacing: -0.01em;
  text-decoration: none;
  color: #fff;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  word-break: break-word;
  transition: color var(--transition-fast);
}

.contact-box a::before { display: none; }
.contact-box .contact-email:hover { color: var(--color-brand-mid); }

.contact-where {
  margin: var(--spacing-xs) 0 0;
  font-size: var(--font-size-sm);
  line-height: 1.5;
  color: #9aa2a6;
}

.contact-where a {
  color: #d6dcde;
  text-decoration: none;
}

.contact-where a:hover { color: var(--color-brand-mid); }

/* ── Contact form ────────────────────────────────────────────────────────── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: 46ch;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.field label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
}

.field label .optional {
  text-transform: none;
  letter-spacing: normal;
}

.field input,
.field textarea {
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border-primary);
  border-radius: 0;
  padding: 0.35rem 0;
  outline: none;
  transition: border-color var(--transition-fast);
}

.field textarea {
  resize: vertical;
  min-height: 4.5em;
  line-height: 1.6;
}

.field input::placeholder,
.field textarea::placeholder { color: var(--color-text-tertiary); }

.field input:focus,
.field textarea:focus { border-bottom-color: var(--color-brand-primary); }

/* Hidden from people, tempting to bots. */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.submit {
  align-self: flex-start;
  font-family: inherit;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  color: #fff;
  background: var(--color-bg-ink);
  border: 1px solid var(--color-bg-ink);
  border-radius: var(--border-radius-sm);
  padding: 0.6rem 1.4rem;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.submit:hover:enabled {
  background: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
}

.submit:disabled { opacity: 0.5; cursor: default; }

.form-status {
  min-height: 1.4em;
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.form-status.error { color: #a00000; }

/* ── Footer ──────────────────────────────────────────────────────────────── */
footer {
  margin-top: calc(var(--spacing-xl) * 2);
  padding-top: var(--spacing-xl);
  border-top: 1px dashed var(--color-border-primary);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}

footer a { color: var(--color-text-tertiary); text-decoration: none; }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media only screen and (max-width: 680px) {
  .pricing-contact,
  .work-grid {
    grid-template-columns: 1fr;
  }

  /* The sketch needs width to read as a bridge; below this it is just noise. */
  .hero-sketch { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .site-mark { transition: none; }
}