/* ============================================================
   Chicago Residential HVAC Co.
   Composition: warm paper + hand-drawn ink / scribble annotations
   magazine folio + bylines / hyper-still / drag band / diagonal stripe
   ============================================================ */

:root {
  --bg: #f8f2e2;
  --bg-2: #f2ead6;
  --ink: #0a0a0a;
  --ink-soft: #3a352c;
  --ink-faint: #6d6558;
  --rule: #0a0a0a;
  --accent: #d94f1e;
  --accent-soft: #f0c9b4;
  --paper-edge: #e4d9bf;
  --maxw: 1180px;
  --gutter: clamp(1.1rem, 4vw, 3.5rem);
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-variation-settings: "SOFT" 0, "WONK" 0;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  line-height: 1.62;
  text-wrap: pretty;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-weight: 700; line-height: 1.08; letter-spacing: -0.015em; margin: 0; }
p { margin: 0 0 1.05em; }
ul, ol, dl { margin: 0; padding: 0; list-style: none; }

/* ---------- hyper-stillness ---------- */
*, *::before, *::after {
  animation: none !important;
  transition: none !important;
}

/* ---------- background: diagonal stripe under content ---------- */
body::before {
  content: "";
  position: fixed;
  inset: -20% -10%;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(15deg,
      transparent 0 41%,
      var(--accent-soft) 41% 43.4%,
      transparent 43.4% 100%),
    linear-gradient(15deg,
      transparent 0 57%,
      var(--paper-edge) 57% 59%,
      transparent 59% 100%);
  opacity: 0.72;
}
main, .masthead, .site-footer { position: relative; z-index: 1; }

/* ---------- layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--bg);
  padding: 0.6rem 1rem; z-index: 50;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

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

/* ---------- masthead ---------- */
.masthead {
  border-bottom: 2px solid var(--rule);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 20;
}
.masthead-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  padding-block: 0.85rem;
}
.wordmark { text-decoration: none; margin-right: auto; }
.wordmark-name {
  display: block;
  font-size: clamp(1.05rem, 0.9rem + 0.7vw, 1.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.wordmark-name em { font-style: italic; font-variation-settings: "WONK" 1; }
.wordmark-sub {
  display: block;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 0.15rem;
}
.masthead-nav {
  display: flex;
  gap: 1.15rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.masthead-nav a {
  text-decoration: none;
  padding: 0.55rem 0.15rem;
  border-bottom: 1px solid transparent;
}
.masthead-nav a:hover { border-bottom-color: var(--accent); }

.callbtn {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.05rem;
  text-decoration: none;
  background: var(--ink);
  color: var(--bg);
  padding: 0.55rem 0.95rem;
  border: 2px solid var(--ink);
  min-height: 44px;
  justify-content: center;
}
.callbtn-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.75;
}
.callbtn-num { font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; }
.callbtn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- folio ---------- */
.folio {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.6rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding-block: 0.5rem;
  margin-top: 1.6rem;
}
.folio-sep { opacity: 0.45; }

/* ---------- opening ---------- */
.opening { padding-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.opening-grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  padding-top: clamp(1.8rem, 4vw, 3rem);
}
.opening-copy h1 {
  font-size: clamp(2rem, 1.25rem + 3.6vw, 3.9rem);
  font-variation-settings: "SOFT" 20, "WONK" 1;
  max-width: 20ch;
  margin-bottom: 0.7rem;
}
.byline {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.55rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--paper-edge);
  margin-bottom: 1.4rem;
}
.byline-dot { opacity: 0.5; }

.lede { font-size: 1.12em; }
.lede::first-letter {
  float: left;
  font-size: 3.9em;
  line-height: 0.82;
  font-weight: 800;
  font-variation-settings: "SOFT" 40, "WONK" 1;
  padding: 0.06em 0.1em 0 0;
  color: var(--accent);
}
.signoff {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 1.5rem;
}

.opening-figure { margin: 0; }
.opening-figure img {
  width: 100%;
  border: 2px solid var(--ink);
  filter: saturate(0.86) contrast(1.03);
}
.opening-figure figcaption {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  margin-top: 0.55rem;
  padding-left: 0.6rem;
  border-left: 2px solid var(--accent);
}

/* ---------- section heads ---------- */
.section-head {
  font-size: clamp(1.5rem, 1.1rem + 1.9vw, 2.5rem);
  font-variation-settings: "SOFT" 20, "WONK" 1;
  margin-bottom: clamp(1.4rem, 3vw, 2.4rem);
  padding-top: 1.4rem;
  border-top: 2px solid var(--rule);
}
.section-kicker {
  display: block;
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

/* ---------- scribble annotation ---------- */
mark.scribble {
  background: none;
  color: inherit;
  position: relative;
  padding: 0 0.06em;
  white-space: nowrap;
}
mark.scribble::after {
  content: "";
  position: absolute;
  left: -2%;
  right: -2%;
  bottom: -0.16em;
  height: 0.42em;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 20' preserveAspectRatio='none'%3E%3Cpath d='M2 13 C 30 4, 58 17, 88 9 S 148 3, 172 12 S 192 8, 198 10' fill='none' stroke='%23d94f1e' stroke-width='3.4' stroke-linecap='round'/%3E%3Cpath d='M6 17 C 40 11, 76 19, 112 13 S 168 9, 196 15' fill='none' stroke='%23d94f1e' stroke-width='2' stroke-linecap='round' opacity='0.55'/%3E%3C/svg%3E");
}

/* ---------- services ---------- */
.services { padding-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.service-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--paper-edge);
}
.service {
  padding: clamp(1.3rem, 3vw, 2rem) 0;
  border-bottom: 1px solid var(--paper-edge);
}
.service-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.service h3 {
  font-size: clamp(1.2rem, 1rem + 0.8vw, 1.6rem);
  margin-bottom: 0.6rem;
}
.service p { color: var(--ink-soft); }
.service-tags {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--paper-edge);
}

/* ---------- band (signature) ---------- */
.band-section { padding-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.band-hint {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: -1.2rem;
  margin-bottom: 1.4rem;
}
.band-hint-touch { display: none; }

.band {
  overflow: hidden;
  cursor: grab;
  border-top: 2px solid var(--rule);
  border-bottom: 2px solid var(--rule);
  background: var(--bg-2);
  padding-block: clamp(1rem, 2.5vw, 1.6rem);
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;
}
.band.is-dragging { cursor: grabbing; }
.band-track {
  display: flex;
  gap: clamp(0.9rem, 2vw, 1.5rem);
  padding-inline: var(--gutter);
  width: max-content;
  will-change: transform;
}
.band-card {
  width: clamp(230px, 62vw, 340px);
  flex: 0 0 auto;
}
.band-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 2px solid var(--ink);
  filter: saturate(0.86) contrast(1.03);
  pointer-events: none;
}
.band-cap {
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--ink-soft);
  margin: 0.6rem 0 0;
  padding-left: 0.6rem;
  border-left: 2px solid var(--accent);
}
.band-cap strong {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  display: block;
  margin-bottom: 0.15rem;
}

/* ---------- rates ---------- */
.rates { padding-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.rates-grid { display: grid; gap: clamp(1.8rem, 4vw, 3rem); }
.rates-col h3 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--rule);
}
.rate-list { margin-bottom: 1.2rem; }
.rate {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding-block: 0.55rem;
  border-bottom: 1px dashed var(--paper-edge);
}
.rate dt { flex: 1 1 auto; }
.rate dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.86rem;
  font-weight: 700;
  white-space: nowrap;
}
.rates-note {
  font-size: 0.9rem;
  color: var(--ink-faint);
  border-left: 2px solid var(--accent);
  padding-left: 0.8rem;
}
.notes-list li {
  padding-block: 0.6rem;
  border-bottom: 1px dashed var(--paper-edge);
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.notes-list strong { color: var(--ink); }

/* ---------- visit ---------- */
.visit { padding-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.visit-grid { display: grid; gap: clamp(1.6rem, 3.5vw, 2.6rem); }
.visit-block h3 {
  font-size: 1.05rem;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.7rem;
}
.visit-block p { color: var(--ink-soft); font-size: 0.95rem; }
.visit-big {
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.1rem) !important;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.7rem;
}
.visit-big a { text-decoration: none; border-bottom: 3px solid var(--accent); }
.visit-big a:hover { color: var(--accent); }
.visit-address {
  font-style: normal;
  font-size: 1.02rem;
  line-height: 1.5;
  margin-bottom: 0.8rem;
}
.visit-aside {
  font-family: var(--mono);
  font-size: 0.7rem !important;
  letter-spacing: 0.04em;
  color: var(--ink-faint) !important;
  margin-bottom: 0;
}
.visit-aside a { text-decoration: underline; text-underline-offset: 3px; }

.hours { width: 100%; border-collapse: collapse; }
.hours th, .hours td {
  text-align: left;
  padding: 0.45rem 0;
  border-bottom: 1px dashed var(--paper-edge);
  font-weight: 400;
  font-size: 0.92rem;
}
.hours th { color: var(--ink); }
.hours td {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-align: right;
  color: var(--ink-soft);
  white-space: nowrap;
}

.areas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}
.areas li {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  padding: 0.3rem 0.55rem;
  background: var(--bg);
}

/* ---------- closing ---------- */
.closing {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 2px solid var(--rule);
  background: var(--bg-2);
}
.closing-quote { margin: 0 0 1.6rem; }
.closing-quote p {
  font-size: clamp(1.2rem, 1rem + 1.2vw, 1.85rem);
  line-height: 1.34;
  font-variation-settings: "SOFT" 30, "WONK" 1;
  max-width: 34ch;
}
.closing-quote footer {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.closing-stars { color: var(--accent); margin-left: 0.4rem; }
.closing-line {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0;
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 2px solid var(--rule);
  background: var(--bg);
  padding-block: clamp(1.8rem, 4vw, 2.8rem);
}
.footer-grid {
  display: grid;
  gap: 1.2rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--paper-edge);
}
.footer-name { font-weight: 800; margin-bottom: 0.35rem; }
.footer-meta {
  font-size: 0.86rem;
  color: var(--ink-faint);
  margin: 0;
}
.footer-meta a { text-decoration: underline; text-underline-offset: 3px; }

.claim-wrap { margin: 1.3rem 0 0.9rem; }
.claim-banner {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink-faint);
  background: var(--bg-2);
  border: 1px solid var(--paper-edge);
  padding: 0.45rem 0.7rem;
}
.claim-banner:hover { color: var(--ink); border-color: var(--ink); }

.muted {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  margin: 0;
}
.muted a { text-decoration: none; border-bottom: 1px solid var(--paper-edge); }
.muted a:hover { border-bottom-color: var(--ink); }

/* ============================================================
   WIDE — magazine three-column body
   ============================================================ */
@media (min-width: 760px) {
  .opening-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
  .opening-copy { column-count: 2; column-gap: clamp(1.6rem, 3vw, 2.6rem); }
  .opening-copy h1,
  .opening-copy .byline,
  .opening-copy .signoff { column-span: all; }
  .opening-copy .lede { margin-top: 0; }

  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(1.8rem, 4vw, 3.2rem); }
  .rates-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); }
  .visit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}

@media (min-width: 1040px) {
  .opening-copy { column-count: 3; }
  .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .visit-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ---------- narrow ---------- */
@media (max-width: 620px) {
  .masthead-nav { order: 3; width: 100%; gap: 0.9rem; }
  .callbtn { margin-left: auto; }
  .band-hint { display: none; }
  .band-hint-touch { display: inline; }
  .band-hint { display: block; }
  .band-hint > .band-hint-touch { display: inline; }
  .band-hint { font-size: 0.66rem; }
}

/* ---------- dark mode ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14120e;
    --bg-2: #1c1913;
    --ink: #f4ecda;
    --ink-soft: #d6cdb8;
    --ink-faint: #a49a84;
    --rule: #f4ecda;
    --accent: #ff7a45;
    --accent-soft: #4a2a1c;
    --paper-edge: #3a3428;
  }
  .callbtn { color: #14120e; }
  .callbtn:hover { color: #14120e; }
  .areas li { background: var(--bg-2); }
  mark.scribble::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 20' preserveAspectRatio='none'%3E%3Cpath d='M2 13 C 30 4, 58 17, 88 9 S 148 3, 172 12 S 192 8, 198 10' fill='none' stroke='%23ff7a45' stroke-width='3.4' stroke-linecap='round'/%3E%3Cpath d='M6 17 C 40 11, 76 19, 112 13 S 168 9, 196 15' fill='none' stroke='%23ff7a45' stroke-width='2' stroke-linecap='round' opacity='0.55'/%3E%3C/svg%3E");
  }
  body::before { opacity: 0.5; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}