/* Whittle Fire Protection — see BRAND.md for the design language.
   Aesthetic: plan set / spec sheet. Square corners, hairline rules, numbered
   sections, mono technical labels. No cards, no shadows, no rounded anything. */

:root {
  --charcoal: #1C1B1A;
  --ink: #33302D;
  --stone: #6E6862;
  --red: #B3121F;
  --red-hover: #8F0E19;
  --gold: #FFC20E;
  --offwhite: #FAF8F5;
  --white: #FFFFFF;
  --border: #E2DBD2;
  --border-dark: #3A3733;

  --font-heading: 'Barlow Semi Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Barlow', 'Segoe UI', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;

  --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--offwhite);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  line-height: 1.05;
  margin: 0 0 20px;
  color: var(--charcoal);
}

h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  font-weight: 700;
  letter-spacing: 0.005em;
}
h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.01em;
}
h3 { font-size: 1.5rem; font-weight: 700; letter-spacing: 0.02em; }

p { margin: 0 0 16px; }

a { color: var(--red); }
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 2px;
}

/* ---------- Section mark: "01 ——— WHAT WE DO" ---------- */

.section-mark {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
  margin: 0 0 28px;
}
.section-mark b { color: var(--red); font-weight: 500; }
.section-mark::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

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

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
  text-decoration: none;
  padding: 17px 30px;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-hover); }

.btn-gold {
  background: var(--gold);
  color: var(--charcoal);
  text-transform: none;
  letter-spacing: 0.02em;
  font-family: var(--font-mono);
  font-weight: 500;
}
.btn-gold:hover { background: #EBB000; }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; }

.text-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--red);
}
.text-link::after {
  content: "\2192";
  display: inline-block;
  margin-left: 10px;
  transition: transform 0.15s ease;
}
.text-link:hover { color: var(--red-hover); }
.text-link:hover::after { transform: translateX(5px); }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--offwhite);
  border-top: 4px solid var(--red);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 36px;
  min-height: 78px;
}

.header-logo { display: flex; align-items: center; flex-shrink: 0; }
.header-logo img { width: 150px; height: auto; display: block; }

.site-nav {
  display: flex;
  gap: 30px;
  margin-left: auto;
}
.site-nav a {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}
.site-nav a:hover { color: var(--red); }

.header-contact {
  display: flex;
  align-items: center;
  gap: 22px;
  transition: opacity 0.25s ease;
}
/* With JS, contact stays hidden until the hero's own CTAs scroll out of view */
.js .header-contact:not(.header-contact-static) { opacity: 0; pointer-events: none; }
.js .header-contact.show { opacity: 1; pointer-events: auto; }

.header-phone {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--charcoal);
  text-decoration: none;
  white-space: nowrap;
  padding: 11px 18px;
  border: 1px solid var(--charcoal);
  transition: background-color 0.15s ease, color 0.15s ease;
}
.header-phone:hover { background: var(--charcoal); color: #fff; }

.header-email {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--charcoal);
  text-decoration: none;
  white-space: nowrap;
}
.header-email:hover { color: var(--red); }

.nav-contact-link { display: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--charcoal);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

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

.hero {
  background: var(--charcoal);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: 52px 52px;
  color: #CFC9C2;
  padding: 100px 0 88px;
  position: relative;
  overflow: hidden;
}
.hero .container { position: relative; z-index: 1; }
.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: 40%;
  transform: translateY(-50%);
  width: 780px;
  height: 780px;
  background: url('../assets/favicon.svg') no-repeat center / contain;
  opacity: 0.05;
  pointer-events: none;
}

.hero h1 { color: #fff; max-width: 28ch; }
.hero-sub {
  font-size: 1.15rem;
  max-width: 56ch;
  margin-bottom: 40px;
}

/* Title block — drawing-set style facts table */

.titleblock {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border-dark);
  margin: 76px 0 0;
  background: rgba(28, 27, 26, 0.55);
}
.titleblock > div {
  padding: 20px 24px 18px;
  border-left: 1px solid var(--border-dark);
}
.titleblock > div:first-child { border-left: 0; }
.titleblock dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8C847C;
}
.titleblock dd {
  margin: 8px 0 0;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.15;
}

/* ---------- Services ---------- */

.services { padding: 96px 0 104px; }

.services h2 { max-width: 26ch; margin-bottom: 56px; }

.segment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--charcoal);
}

.segment {
  padding: 44px 56px 40px 0;
  scroll-margin-top: 96px;
}
.segment + .segment {
  border-left: 1px solid var(--border);
  padding-left: 56px;
  padding-right: 0;
}

.segment-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.segment-head h3 { margin: 0; }
.segment-icon {
  font-family: 'Material Symbols Outlined';
  font-weight: 400;
  font-style: normal;
  font-size: 42px;
  line-height: 1;
  letter-spacing: normal;
  white-space: nowrap;
  flex-shrink: 0;
  color: var(--charcoal);
  -webkit-font-smoothing: antialiased;
}

.segment-lede { color: var(--stone); }

.spec-list {
  list-style: none;
  margin: 26px 0 30px;
  padding: 0;
}
.spec-list li {
  padding: 10px 0 10px 28px;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.spec-list li:first-child { border-top: 1px solid var(--border); }
.spec-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 18px;
  width: 10px;
  height: 10px;
  background: var(--gold);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

/* ---------- Why Whittle ---------- */

.why {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 96px 0 104px;
  scroll-margin-top: 78px;
}
.why h2 { max-width: 26ch; margin-bottom: 48px; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--charcoal);
  margin: 0;
}
.why-grid > div {
  padding: 28px 30px 26px;
  border-left: 1px solid var(--border);
}
.why-grid > div:first-child { border-left: 0; }
.why-grid dt {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
}
.why-grid dd {
  margin: 12px 0 0;
  color: var(--ink);
  line-height: 1.55;
}

/* ---------- Request pages (inspection.html / project.html) ---------- */

.request { padding: 72px 0 96px; }
.request-title { margin-bottom: 14px; }
.request-sub {
  color: var(--stone);
  max-width: 54ch;
  margin-bottom: 44px;
}

.request-form {
  max-width: 640px;
  display: grid;
  gap: 26px;
}

.field { display: grid; gap: 8px; margin: 0; }
fieldset.field {
  border: 0;
  padding: 0;
}
.field label,
.field legend {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--charcoal);
  padding: 0;
  margin-bottom: 2px;
}
.field .opt { color: var(--stone); text-transform: none; letter-spacing: 0.04em; }

.field input[type="text"],
.field input[type="tel"],
.field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--charcoal);
  padding: 12px 14px;
  width: 100%;
}
.field textarea { resize: vertical; }
.field input:focus-visible,
.field textarea:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 1px;
}

.choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}
.choice {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.98rem;
  color: var(--ink);
}
.choice input {
  width: 18px;
  height: 18px;
  accent-color: var(--red);
  flex-shrink: 0;
}

.request-form .btn { justify-self: start; }
.request-note {
  font-size: 0.9rem;
  color: var(--stone);
  margin: 0;
}

.btn-secondary {
  background: none;
  border: 1px solid var(--charcoal);
  color: var(--charcoal);
  cursor: pointer;
}
.btn-secondary:hover { background: var(--charcoal); color: #fff; }

.fallback {
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}
.fallback[hidden] { display: none; }
.fallback-label {
  font-size: 0.95rem;
  color: var(--ink);
  margin: 0;
}
.fallback-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--border);
  padding: 12px 14px;
  width: 100%;
  resize: vertical;
}
.fallback .btn { justify-self: start; }

/* ---------- About ---------- */

.about {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 96px 0 104px;
  scroll-margin-top: 78px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 88px;
  align-items: start;
}

.about-copy p { max-width: 54ch; }

.invest-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.invest-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  padding: 24px 0;
  border-top: 1px solid var(--border);
}
.invest-list li:last-child { border-bottom: 1px solid var(--border); }
.invest-no {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--red);
  padding-top: 5px;
}
.invest-list h3 { font-size: 1.15rem; margin-bottom: 6px; }
.invest-list p { margin: 0; color: var(--stone); font-size: 0.98rem; }

/* ---------- Hazard stripe + service area band ---------- */

.stripe {
  height: 8px;
  background: repeating-linear-gradient(
    -45deg,
    var(--gold) 0 14px,
    var(--charcoal) 14px 28px
  );
}

.area-band {
  background: var(--charcoal);
  color: #A39C94;
  padding: 30px 0;
  text-align: center;
}
.area-band p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.area-band strong { color: #fff; font-weight: 500; }

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

.contact {
  padding: 96px 0 110px;
  scroll-margin-top: 78px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 88px;
  align-items: start;
}

.contact-sub {
  color: var(--stone);
  font-size: 1.1rem;
  max-width: 44ch;
  margin: 0;
}

.contact-channels { border-bottom: 1px solid var(--charcoal); }
.channel {
  display: block;
  padding: 28px 0 26px;
  border-top: 1px solid var(--charcoal);
  text-decoration: none;
}
.channel-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 10px;
}
.channel-value {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--charcoal);
  transition: color 0.15s ease;
}
.channel-value::after {
  content: "\2192";
  display: inline-block;
  margin-left: 16px;
  color: var(--red);
  transition: transform 0.15s ease;
}
.channel-value-sm { font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 600; }
.channel:hover .channel-value { color: var(--red); }
.channel:hover .channel-value::after { transform: translateX(6px); }

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

.site-footer {
  background: var(--charcoal);
  color: #A39C94;
  border-top: 4px solid var(--red);
  padding: 56px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.footer-inner img { width: 148px; height: auto; }
.footer-meta { text-align: right; }
.footer-meta p {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}
.footer-meta a { color: #fff; text-decoration: none; }
.footer-meta a:hover { text-decoration: underline; }
.footer-copyright { color: #8C847C; }

/* ---------- Responsive ---------- */

@media (max-width: 920px) {
  .hero::after { display: none; }
  .hero { padding: 72px 0 64px; }

  .titleblock { grid-template-columns: 1fr 1fr; }
  .titleblock > div:nth-child(odd) { border-left: 0; }
  .titleblock > div:nth-child(n+3) { border-top: 1px solid var(--border-dark); }

  .segment-grid { grid-template-columns: 1fr; }
  .segment { padding-right: 0; }
  .segment + .segment {
    border-left: 0;
    border-top: 1px solid var(--border);
    padding-left: 0;
  }

  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 44px; }

  .header-contact { margin-left: auto; }
  .header-email { display: none; }
  .site-nav { display: none; }
  .nav-toggle { display: block; }

  .why-grid { grid-template-columns: 1fr; }
  .why-grid > div { border-left: 0; }
  .why-grid > div + div { border-top: 1px solid var(--border); }

  .site-nav.open .nav-contact-link {
    display: block;
    text-transform: none;
    letter-spacing: 0.01em;
    color: var(--red);
    border-top: 1px solid var(--border);
    margin-top: 8px;
  }
  .site-nav.open .nav-contact-link + .nav-contact-link {
    border-top: 0;
    margin-top: 0;
  }

  .site-nav.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--offwhite);
    border-bottom: 1px solid var(--border);
    padding: 8px 0 12px;
  }
  .site-nav.open a {
    padding: 14px 28px;
    font-size: 0.95rem;
  }
}

@media (max-width: 560px) {
  .header-inner { gap: 14px; min-height: 64px; }
  .header-logo img { width: 116px; }
  .header-phone { font-size: 0.78rem; padding: 9px 10px; letter-spacing: 0; }
  .nav-toggle { padding: 8px 4px; }

  .services, .about, .contact, .why { padding: 64px 0 72px; }
  .choice-grid { grid-template-columns: 1fr; }
  .request { padding: 48px 0 72px; }
  .titleblock { margin-top: 52px; }
  .titleblock > div { padding: 16px 18px 14px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-meta { text-align: left; }
  .btn { width: 100%; text-align: center; }
  .cta-row { width: 100%; }
  .channel-value { font-size: 1.75rem; }
  .channel-value-sm { font-size: 1.15rem; }
}