/* ============================================================
   [Your Company Name] — plumbing, Mississauga
   Composition: terminal chrome · rotating section palette ·
   editorial serif · kinetic hero · expandable index · grain
   ============================================================ */

/* ---------- tokens: light (default) ---------- */
:root {
  --bg:            #f2f0eb;
  --surface:       #ffffff;
  --ink:           #14130f;
  --ink-soft:      #4a4740;
  --line:          #d8d4ca;
  --accent:        #e10600;

  /* section bands — light theme keeps them tinted, not full-bleed dark */
  --band-dark-bg:  #14130f;
  --band-dark-ink: #f4f1ea;
  --band-dark-soft:#b8b3a7;
  --band-dark-line:#3a3833;

  --band-red-bg:   #e10600;
  --band-red-ink:  #fff5f4;
  --band-red-soft: #ffd2ce;
  --band-red-line: #ff6b62;

  --band-blue-bg:  #003c8a;
  --band-blue-ink: #eef4ff;
  --band-blue-soft:#a9c4ee;
  --band-blue-line:#2f68b8;

  --band-yellow-bg:  #f4ff33;
  --band-yellow-ink: #14130f;
  --band-yellow-soft:#5c5f14;
  --band-yellow-line:#c3cc1f;

  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --display: 'Bricolage Grotesque', 'Inter', system-ui, sans-serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --pad-x: clamp(1.15rem, 4vw, 3.5rem);
  --maxw: 1180px;
}

/* ---------- tokens: dark ---------- */
html[data-theme="dark"] {
  --bg:            #0d0c0a;
  --surface:       #171613;
  --ink:           #f2efe8;
  --ink-soft:      #a8a49a;
  --line:          #2e2c27;
  --accent:        #ff3b30;

  --band-dark-bg:  #050504;
  --band-dark-ink: #f4f1ea;
  --band-dark-soft:#a5a094;
  --band-dark-line:#2a2823;

  --band-red-bg:   #c00500;
  --band-red-ink:  #fff5f4;
  --band-red-soft: #ffc7c2;
  --band-red-line: #ff5a50;

  --band-blue-bg:  #002f6d;
  --band-blue-ink: #eef4ff;
  --band-blue-soft:#9dbbe9;
  --band-blue-line:#2a5da8;

  --band-yellow-bg:  #d9e51f;
  --band-yellow-ink: #14130f;
  --band-yellow-soft:#4c4f10;
  --band-yellow-line:#a9b314;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 0.6em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 7.5vw, 5.2rem); }
h2 { font-size: clamp(1.9rem, 4.6vw, 3.1rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }

p { margin: 0 0 1.1em; max-width: 68ch; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0; padding: 0; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--bg);
  padding: 0.6rem 1rem;
  z-index: 99;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

/* ---------- grain overlay ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.055;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='220' height='220' filter='url(%23n)'/></svg>");
}
html[data-theme="dark"] .grain { mix-blend-mode: screen; opacity: 0.07; }

/* ---------- shell ---------- */
.shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x) 0;
}

/* ============================================================
   TERMINAL CHROME
   ============================================================ */
.chrome {
  position: sticky;
  top: 0;
  z-index: 50;
  margin: 0 calc(var(--pad-x) * -1);
  padding: 0 var(--pad-x);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.chrome-bar {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.7rem 0 0.55rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

.dots { display: inline-flex; gap: 0.4rem; }
.dots i {
  width: 11px; height: 11px;
  border-radius: 50%;
  display: block;
}
.dots i:nth-child(1) { background: #ff5f57; }
.dots i:nth-child(2) { background: #febc2e; }
.dots i:nth-child(3) { background: #28c840; }

.chrome-path {
  color: var(--ink-soft);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0 0.7rem;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.7rem;
  cursor: pointer;
  transition: color 0.18s, border-color 0.18s;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink-soft); }
.theme-icon { font-size: 0.95rem; line-height: 1; }

/* tabs */
.tabs {
  display: flex;
  gap: 0.15rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 0.5rem;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.55rem 0.85rem;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  white-space: nowrap;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: color 0.18s, background 0.18s, border-color 0.18s;
}
.tab:hover { color: var(--ink); background: color-mix(in srgb, var(--ink) 6%, transparent); }
.tab-cta { color: var(--accent); }
.tab-cta:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); }

/* ============================================================
   SHARED SECTION PIECES
   ============================================================ */
.prompt {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin: 0 0 1.1rem;
  max-width: none;
}
.sigil { color: var(--accent); margin-right: 0.35rem; }

.band {
  margin: 0 calc(var(--pad-x) * -1);
  padding: clamp(3rem, 8vw, 6rem) var(--pad-x);
  background: var(--band-bg);
  color: var(--band-ink);
}
.band .prompt { color: var(--band-soft); }
.band .sigil { color: var(--band-ink); opacity: 0.7; }
.band h2, .band h3 { color: var(--band-ink); }
.band p { color: var(--band-ink); }

.band-dark   { --band-bg: var(--band-dark-bg);   --band-ink: var(--band-dark-ink);   --band-soft: var(--band-dark-soft);   --band-line: var(--band-dark-line); }
.band-red    { --band-bg: var(--band-red-bg);    --band-ink: var(--band-red-ink);    --band-soft: var(--band-red-soft);    --band-line: var(--band-red-line); }
.band-blue   { --band-bg: var(--band-blue-bg);   --band-ink: var(--band-blue-ink);   --band-soft: var(--band-blue-soft);   --band-line: var(--band-blue-line); }
.band-yellow { --band-bg: var(--band-yellow-bg); --band-ink: var(--band-yellow-ink); --band-soft: var(--band-yellow-soft); --band-line: var(--band-yellow-line); }

.section-intro {
  font-size: 1.08rem;
  max-width: 62ch;
  margin-bottom: 2.4rem;
  color: var(--band-soft, var(--ink-soft));
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: clamp(3.5rem, 11vw, 8rem) 0 clamp(3rem, 8vw, 5.5rem);
}

.hero h1 {
  max-width: 18ch;
  margin-bottom: 1.4rem;
  font-variation-settings: 'wght' 300, 'opsz' 32;
}

/* kinetic weight shift on scroll */
@keyframes weigh {
  from { font-variation-settings: 'wght' 250, 'opsz' 14; }
  to   { font-variation-settings: 'wght' 800, 'opsz' 96; }
}
@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .kinetic {
      animation: weigh linear both;
      animation-timeline: scroll(root);
      animation-range: 0 45vh;
    }
  }
}

.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  color: var(--ink-soft);
  max-width: 58ch;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  border-radius: 4px;
  border: 1.5px solid var(--ink);
  cursor: pointer;
  transition: transform 0.16s, background 0.18s, color 0.18s;
}
.btn:hover { transform: translateY(-2px); }
.btn-solid { background: var(--ink); color: var(--bg); }
.btn-solid:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); }

.hero-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.4rem 2rem;
  margin: 0;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.hero-facts dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.3rem;
}
.hero-facts dd { margin: 0; font-size: 0.98rem; }
.hero-facts a { text-decoration-color: var(--accent); text-underline-offset: 3px; }

/* ============================================================
   EXPANDABLE INDEX (signature)
   ============================================================ */
.index {
  border-top: 1px solid var(--band-line);
}

.entry {
  border-bottom: 1px solid var(--band-line);
}

.entry > summary {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "key title"
    "key hint";
  gap: 0.15rem 1.1rem;
  align-items: baseline;
  padding: 1.35rem 2.6rem 1.35rem 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: opacity 0.2s;
}
.entry > summary::-webkit-details-marker { display: none; }
.entry > summary:hover { opacity: 0.78; }

.entry-key {
  grid-area: key;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--band-soft);
  padding-top: 0.45rem;
}
.entry-title {
  grid-area: title;
  font-family: var(--display);
  font-size: clamp(1.25rem, 2.6vw, 1.85rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.025em;
}
.entry-hint {
  grid-area: hint;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--band-soft);
  letter-spacing: 0.02em;
}

/* plus / minus marker */
.entry > summary::after {
  content: '+';
  position: absolute;
  right: 0.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--band-soft);
  transition: transform 0.25s ease, color 0.2s;
}
.entry[open] > summary::after {
  content: '−';
  color: var(--band-ink);
}

.entry-body {
  padding: 0 0 1.9rem 0;
  max-width: 68ch;
  animation: reveal 0.32s ease both;
}
.entry-body p { color: var(--band-ink); }
.entry-body p + p { margin-top: 1em; }

@keyframes reveal {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

.entry-list {
  list-style: none;
  margin-top: 1.3rem;
  display: grid;
  gap: 0.5rem;
}
.entry-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.96rem;
  color: var(--band-ink);
}
.entry-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--band-soft);
}

/* ============================================================
   STEPS (how it works)
   ============================================================ */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem 2.4rem;
  counter-reset: step;
}
.steps li { border-top: 2px solid var(--band-line); padding-top: 1.2rem; }
.step-n {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--band-soft);
  margin-bottom: 0.7rem;
}
.steps h3 { margin-bottom: 0.5rem; }
.steps p { font-size: 0.97rem; }

/* ============================================================
   WHY US
   ============================================================ */
.cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem 2.6rem;
  margin-bottom: 3rem;
}
.cols h3 { margin-bottom: 0.55rem; }
.cols p { font-size: 0.97rem; }

.quote {
  margin: 0;
  padding: 1.8rem 0 0;
  border-top: 1px solid var(--band-line);
  max-width: 62ch;
}
.quote p {
  font-family: var(--display);
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  line-height: 1.45;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 0.7rem;
}
.quote cite {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-style: normal;
  color: var(--band-soft);
}

/* ============================================================
   QUOTE FORM
   ============================================================ */
.quote-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.quote-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem 1.4rem;
}
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field-wide { grid-column: 1 / -1; }

.field label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--band-soft);
}

.field input,
.field select,
.field textarea {
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--band-ink);
  background: color-mix(in srgb, var(--band-ink) 7%, transparent);
  border: 1px solid var(--band-line);
  border-radius: 4px;
  padding: 0.7rem 0.85rem;
  min-height: 48px;
  width: 100%;
  transition: border-color 0.18s, background 0.18s;
}
.field textarea { min-height: 150px; resize: vertical; line-height: 1.6; }
.field input::placeholder,
.field textarea::placeholder { color: var(--band-soft); opacity: 0.85; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--band-ink);
  background: color-mix(in srgb, var(--band-ink) 11%, transparent);
  outline: none;
}
.field select option { color: #14130f; background: #fff; }

.quote-form .btn-solid {
  background: var(--band-ink);
  color: var(--band-bg);
  border-color: var(--band-ink);
}
.quote-form .btn-solid:hover {
  background: transparent;
  color: var(--band-ink);
}

.form-status {
  font-family: var(--mono);
  font-size: 0.8rem;
  margin-top: 0.9rem;
  color: var(--band-ink);
  max-width: none;
}
.form-status.is-error { color: #ffb3ae; }
.band-yellow .form-status.is-error { color: #8a0d00; }

/* side panel */
.quote-side {
  border: 1px solid var(--band-line);
  border-radius: 6px;
  padding: 1.6rem 1.5rem;
  background: color-mix(in srgb, var(--band-ink) 5%, transparent);
}
.quote-side h3 { font-size: 1.15rem; margin-bottom: 1.1rem; }

.contact-list { margin: 0 0 1.4rem; display: grid; gap: 0.9rem; }
.contact-list dt {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--band-soft);
  margin-bottom: 0.2rem;
}
.contact-list dd { margin: 0; font-size: 0.96rem; }
.contact-list a { text-decoration-color: var(--band-soft); text-underline-offset: 3px; }

.side-note {
  font-size: 0.9rem;
  color: var(--band-soft);
  border-top: 1px solid var(--band-line);
  padding-top: 1.1rem;
  margin: 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-foot {
  padding: 3rem 0 5rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.site-foot p { margin: 0 0 0.4rem; }
.site-foot .prompt { margin-bottom: 1.2rem; }
.muted { color: var(--ink-soft); }
.attribution { margin-top: 1.6rem; font-size: 0.8rem; }
.attribution a { color: var(--ink-soft); text-decoration-color: var(--line); text-underline-offset: 3px; }
.attribution a:hover { color: var(--ink); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  .quote-grid { grid-template-columns: 1fr; }
  .quote-form { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .chrome-path { display: none; }
  .theme-label { display: none; }
  .theme-toggle { padding: 0 0.6rem; }
  .entry > summary { padding-right: 2.2rem; }
  .hero-facts { grid-template-columns: 1fr 1fr; gap: 1.2rem 1.4rem; }
  .steps { grid-template-columns: 1fr; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .kinetic { font-variation-settings: 'wght' 600, 'opsz' 48; }
  .btn:hover { transform: none; }
}