/*
 * 3 Core Electrical  ·  v0.1 draft
 *
 * Brand register: trade-credible, geometric, modern.
 * Palette: linen white + cable charcoal + neutral steel + live copper.
 * Type: DM Sans (display), Inter (body), JetBrains Mono (numeric).
 *
 * Mobile-first. No frameworks. ~10KB minified.
 */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --linen: #F5F4F0;
  --linen-soft: #ECEAE3;
  --charcoal: #1C1C1F;
  --charcoal-soft: #3A3A40;
  --steel: #6A7280;
  --steel-quiet: #98A0A8;
  --hairline: rgba(28, 28, 31, 0.12);
  --copper: #B87333;
  --copper-soft: rgba(184, 115, 51, 0.12);
  --earth: #4A6741;

  --display: 'DM Sans', system-ui, -apple-system, sans-serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;

  --max-content: 1180px;
  --max-narrow: 720px;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 128px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--linen);
}

body {
  margin: 0;
  padding: 0;
  background: var(--linen);
  color: var(--charcoal);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--copper); }

/* ---------- Wordmark (logo slot) ---------- */

.wordmark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--charcoal);
  line-height: 1.05;
  display: inline-flex;
  flex-direction: column;
  gap: 1px;
}

.wordmark__three {
  display: inline-block;
  color: var(--copper);
}

.wordmark__sub {
  display: block;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  margin-top: 6px;
}

/* Reserved slot for the cable-cross-section mark (Phase 2). */
.mark-slot {
  width: 48px;
  height: 48px;
  border: 1px dashed var(--hairline);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel-quiet);
}

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(245, 244, 240, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}

.site-header__inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 18px var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-nav { display: none; }

@media (min-width: 760px) {
  .site-nav { display: flex; gap: var(--space-4); }
}

.site-nav a {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--charcoal);
  border-color: var(--copper);
}

/* Mobile nav button + drawer */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 28px;
  height: 22px;
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  align-items: stretch;
  justify-content: center;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--charcoal);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
@media (min-width: 760px) { .nav-toggle { display: none; } }

.mobile-nav {
  display: none;
  background: var(--linen);
  border-bottom: 1px solid var(--hairline);
}
.mobile-nav.is-open { display: block; }
.mobile-nav__inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.mobile-nav a {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--charcoal-soft);
  padding: 10px 0;
  border-bottom: 1px solid var(--hairline);
}

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 500;
  color: var(--charcoal);
  margin: 0 0 var(--space-3);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(32px, 5vw, 52px); }
h2 { font-size: clamp(24px, 3.6vw, 36px); }
h3 { font-size: clamp(18px, 2.4vw, 24px); }
h4 { font-size: 14px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--steel); }

.eyebrow {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: var(--space-2);
}

.lede {
  font-family: var(--sans);
  font-size: clamp(17px, 1.6vw, 19px);
  line-height: 1.6;
  color: var(--charcoal-soft);
  margin: 0 0 var(--space-4);
  max-width: 56ch;
}

.muted { color: var(--steel); }
.center { text-align: center; }

/* ---------- Buttons ---------- */

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--charcoal);
  background: transparent;
  border: 1px solid var(--charcoal);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  background: var(--charcoal);
  color: var(--linen);
}

.btn--filled {
  background: var(--charcoal);
  color: var(--linen);
}

.btn--filled:hover {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--linen);
}

/* ---------- Layout ---------- */

main { display: block; }

.section {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: var(--space-7) var(--space-3);
}

.section--narrow {
  max-width: var(--max-narrow);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
}

.hero__image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85);
}

.hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(28, 28, 31, 0.55) 0%, rgba(28, 28, 31, 0.75) 100%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-content);
  margin: 0 auto;
  padding: var(--space-7) var(--space-3);
  color: var(--linen);
}

.hero__inner h1 {
  color: var(--linen);
  max-width: 18ch;
}

.hero__inner .eyebrow {
  color: var(--copper);
}

.hero__inner .lede {
  color: rgba(245, 244, 240, 0.88);
}

.hero__inner .btn {
  color: var(--linen);
  border-color: var(--linen);
}
.hero__inner .btn:hover {
  background: var(--linen);
  color: var(--charcoal);
}
.hero__inner .btn--filled {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--linen);
}
.hero__inner .btn--filled:hover {
  background: var(--linen);
  border-color: var(--linen);
  color: var(--charcoal);
}

/* ---------- Lanes ---------- */

.lanes--three {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 760px) {
  .lanes--three { grid-template-columns: 1fr 1fr 1fr; }
}

.lane {
  background: var(--linen);
  border: 1px solid var(--hairline);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.lane:hover {
  border-color: var(--copper);
  transform: translateY(-2px);
}

.lane__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--linen-soft);
}

.lane__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lane__body {
  padding: var(--space-3);
}

.lane__body h3 {
  margin-bottom: var(--space-2);
}

.lane__body p {
  color: var(--charcoal-soft);
  margin: 0 0 var(--space-3);
  font-size: 15px;
  line-height: 1.6;
}

.lane__cta {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
  border-bottom: 1px solid var(--copper);
  padding-bottom: 2px;
}

/* ---------- Pull quote ---------- */

.pullquote {
  max-width: var(--max-narrow);
  margin: var(--space-7) auto;
  padding: 0 var(--space-3);
  text-align: center;
}

.pullquote p {
  font-family: var(--display);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.5;
  color: var(--charcoal);
  margin: 0 0 var(--space-3);
}

.pullquote__cite {
  font-family: var(--sans);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

/* ---------- Pricing table ---------- */

.rate-table-wrap {
  overflow-x: auto;
  margin: var(--space-4) 0;
}

.rate-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 14px;
}

.rate-table th,
.rate-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
}

.rate-table th {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  background: var(--linen-soft);
}

.rate-table td.rate {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--charcoal);
}

.rate-table__note {
  font-size: 13px;
  color: var(--steel);
  font-style: italic;
}

/* ---------- Gallery (Work page) ---------- */

.gallery-section { margin-top: var(--space-6); }

.gallery-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--hairline);
  padding-bottom: var(--space-2);
}

.gallery-section__head h2 { margin: 0; }

.gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

@media (min-width: 600px) {
  .gallery { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  .gallery { grid-template-columns: 1fr 1fr 1fr; }
}

.gallery__item {
  aspect-ratio: 4 / 3;
  background: var(--linen-soft);
  overflow: hidden;
  border-radius: 2px;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery__item:hover img {
  transform: scale(1.03);
}

.gallery__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--steel-quiet);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-align: center;
  padding: var(--space-3);
}

/* ---------- About page bits ---------- */

.about-bio {
  max-width: var(--max-narrow);
  margin: 0 auto;
}

.about-bio p {
  margin: 0 0 var(--space-3);
  font-size: 16.5px;
  line-height: 1.7;
}

.credentials {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--linen-soft);
  border-radius: 2px;
}

@media (min-width: 600px) {
  .credentials { grid-template-columns: 1fr 1fr; }
}

.credentials__item h4 {
  margin-bottom: var(--space-1);
}

.credentials__item p {
  margin: 0;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--charcoal);
}

.network-note {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-left: 2px solid var(--copper);
  background: var(--copper-soft);
  border-radius: 0 2px 2px 0;
}

.network-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--charcoal-soft);
}

/* ---------- Contact / form ---------- */

.form {
  display: grid;
  gap: var(--space-3);
  max-width: 540px;
  margin: 0 auto;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

@media (min-width: 600px) {
  .form__row--two { grid-template-columns: 1fr 1fr; }
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__field label {
  font-family: var(--sans);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.form__field input,
.form__field select,
.form__field textarea {
  font-family: var(--sans);
  font-size: 15px;
  padding: 12px 14px;
  background: var(--linen);
  color: var(--charcoal);
  border: 1px solid var(--hairline);
  border-radius: 2px;
  outline: none;
  transition: border-color 0.15s ease;
}

.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  border-color: var(--copper);
}

.form__field textarea {
  resize: vertical;
  min-height: 120px;
}

.form__actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-2);
}

.contact-side {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 600px) {
  .contact-side { grid-template-columns: 1fr 1fr; }
}

.contact-side__block h4 { margin-bottom: var(--space-1); }
.contact-side__block p,
.contact-side__block a {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--charcoal-soft);
  margin: 0 0 4px;
  display: block;
}
.contact-side__block a:hover { color: var(--copper); }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--charcoal);
  color: rgba(245, 244, 240, 0.78);
  padding: var(--space-6) var(--space-3) var(--space-4);
  margin-top: var(--space-7);
}

.site-footer__inner {
  max-width: var(--max-content);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 760px) {
  .site-footer__inner { grid-template-columns: 1.4fr 1fr 1fr; }
}

.site-footer__brand .wordmark {
  color: var(--linen);
}

.site-footer__brand .wordmark__sub {
  color: rgba(245, 244, 240, 0.6);
}

.site-footer h4 {
  color: rgba(245, 244, 240, 0.92);
  margin-bottom: var(--space-2);
}

.site-footer p {
  margin: 4px 0;
  font-size: 14px;
}

.site-footer a {
  color: rgba(245, 244, 240, 0.78);
}
.site-footer a:hover { color: var(--copper); }

.site-footer__draft {
  max-width: var(--max-content);
  margin: var(--space-5) auto 0;
  padding-top: var(--space-3);
  border-top: 1px solid rgba(245, 244, 240, 0.1);
  font-size: 12px;
  color: rgba(245, 244, 240, 0.45);
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

.site-footer__honorary {
  color: rgba(245, 244, 240, 0.5);
  font-size: 13px;
  line-height: 1.6;
  margin-top: var(--space-3);
}

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Print ---------- */

@media print {
  .site-header, .site-footer, .mobile-nav, .nav-toggle, .btn { display: none !important; }
  body { background: white; color: black; }
}

/* ---------- Form status (success / error / working) ---------- */

.form__status {
  padding: 14px 16px;
  border-radius: 2px;
  font-size: 14px;
  line-height: 1.55;
  border: 1px solid var(--hairline);
  background: var(--linen-soft);
  color: var(--charcoal-soft);
}

.form__status--working {
  border-color: var(--steel-quiet);
  color: var(--charcoal);
}

.form__status--success {
  border-color: var(--earth);
  background: rgba(74, 103, 65, 0.08);
  color: var(--charcoal);
}

.form__status--error {
  border-color: var(--copper);
  background: var(--copper-soft);
  color: var(--charcoal);
}

/* Honeypot field is offscreen (inline style handles it); just make sure no layout impact. */
.form__field--hp { display: none !important; }