/* ==========================================================================
   Chicago Permanent Lighting — v4 (multi-page, premium rebrand)
   Palette: off-white / white / charcoal / near-black, one warm accent.
   Type: Archivo variable — expanded width for display, normal for body.
   Signature: a single warm "eave line" of light.
   Spacing: compact and intentional — momentum over emptiness.
   ========================================================================== */

:root {
  --bg: #faf9f6;
  --surface: #ffffff;
  --ink: #161615;
  --ink-dim: #5e5a52;
  --line: #e8e4dc;

  --dusk: #15161a;
  --dusk-soft: #1b1d22;
  --dusk-dim: #a5a29b;
  --dusk-line: #2a2c33;

  --glow: #e0aa5e;
  --glow-soft: rgba(224, 170, 94, 0.35);

  --step-4: clamp(2.1rem, 1.3rem + 3.4vw, 3.6rem);
  --step-3: clamp(1.7rem, 1.25rem + 1.9vw, 2.5rem);
  --step-1: clamp(1.02rem, 1rem + 0.2vw, 1.12rem);
  --step-0: 1rem;

  --wrap: 1080px;
  --pad: clamp(1.25rem, 4vw, 2.25rem);
  --space: clamp(3.25rem, 2.5rem + 3vw, 5.5rem);   /* section rhythm — compact */
  --space-s: clamp(2.25rem, 2rem + 1.5vw, 3.5rem);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: "Archivo", system-ui, -apple-system, sans-serif;
  font-weight: 400;
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }

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

/* ---------- Type ---------- */

h1, h2, h3 {
  font-stretch: 118%;
  font-weight: 560;
  line-height: 1.08;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: 1.1rem; line-height: 1.35; letter-spacing: 0; }

.eyebrow {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 0.9rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--glow);
}

.on-dusk .eyebrow, .section--dusk .eyebrow { color: var(--dusk-dim); }

.lede {
  font-size: var(--step-1);
  color: var(--ink-dim);
  max-width: 46ch;
  margin-top: 1rem;
}

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

.btn {
  display: inline-block;
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, filter 0.2s ease;
}

.btn-lg { padding: 0.95rem 1.9rem; }

.btn-solid { background: var(--ink); color: var(--bg); }
.btn-solid:hover { background: #000; }

.btn-line:hover { background: var(--ink); color: var(--bg); }

.btn-invert { border-color: #f2f0ec; color: #f2f0ec; }
.btn-invert:hover { background: #f2f0ec; color: var(--dusk); }

.btn-glow { background: var(--glow); border-color: var(--glow); color: var(--dusk); }
.btn-glow:hover { filter: brightness(1.07); }

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

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--bg);
  padding: 0.6rem 1rem; z-index: 100;
}
.skip-link:focus { left: 0; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--dusk) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--dusk-line);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 1.1rem;
}

.brand {
  font-stretch: 118%;
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #f5f3ef;
  text-decoration: none;
  white-space: nowrap;
  padding-bottom: 0.3rem;
  border-bottom: 2px solid var(--glow);
}

.nav-links {
  display: flex; align-items: center; gap: 1.9rem;
  list-style: none;
}

.nav-links a:not(.btn) {
  color: var(--dusk-dim);
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}
.nav-links a:not(.btn):hover { color: #f5f3ef; }
.nav-links a[aria-current="page"]:not(.btn) { color: var(--glow); font-weight: 500; }
.nav-links .btn { padding: 0.55rem 1.2rem; }

.nav-toggle {
  display: none;
  background: none; border: 0; cursor: pointer;
  width: 40px; height: 40px;
  flex-direction: column; justify-content: center; gap: 6px;
}
.nav-toggle span {
  display: block; height: 2px; width: 22px;
  background: #f5f3ef; margin-inline: auto;
  transition: transform 0.25s ease;
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Sections ---------- */

.section { padding-block: var(--space); }
.section--tight { padding-block: var(--space-s); }
.section--tint { background: var(--surface); border-block: 1px solid var(--line); }
.section--dusk { background: var(--dusk); color: #f2f0ec; }
.section--dusk h1, .section--dusk h2, .section--dusk h3 { color: #f5f3ef; }
.section--dusk p { color: var(--dusk-dim); }

.section-head { margin-bottom: clamp(1.8rem, 3vw, 2.75rem); max-width: 620px; }
.section-head p { color: var(--ink-dim); margin-top: 0.8rem; }
.section--dusk .section-head p { color: var(--dusk-dim); }

/* ---------- Hero (home) — full-bleed photo ---------- */

.hero { padding-block: clamp(2.75rem, 2rem + 3vw, 5rem); }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.7rem; }

.hero--photo {
  position: relative;
  overflow: hidden;
  min-height: clamp(26rem, 54vw, 38rem);
  display: flex;
  align-items: center;
  padding-block: clamp(2.5rem, 5vw, 4rem);
}
.hero-photo-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-photo-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% 50%;
  display: block;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg,
      var(--dusk) 0%,
      var(--dusk) 34%,
      rgba(21,22,26,0.86) 46%,
      rgba(21,22,26,0.42) 62%,
      rgba(21,22,26,0.05) 80%
    ),
    linear-gradient(0deg, rgba(10,11,14,0.35) 0%, transparent 30%);
}
.hero-wrap {
  position: relative;
  z-index: 2;
  width: 100%;
}
.hero-photo-content {
  max-width: 32rem;
}
.hero-photo-content h1 {
  font-size: clamp(2rem, 1.4rem + 2.6vw, 3.1rem);
  color: #f5f3ef;
}
.hero-photo-content .eyebrow { color: var(--dusk-dim); }
.hero-photo-content .lede { color: var(--dusk-dim); }

@media (max-width: 640px) {
  .hero-scrim {
    background:
      linear-gradient(90deg, var(--dusk) 0%, var(--dusk) 55%, rgba(21,22,26,0.55) 78%, rgba(21,22,26,0.15) 100%),
      linear-gradient(0deg, rgba(10,11,14,0.4) 0%, transparent 35%);
  }
  .hero-photo-content { max-width: 100%; }
}

/* ---------- Page hero (inner pages) ---------- */

.page-hero { padding-block: clamp(2.5rem, 2rem + 2.5vw, 4rem) 0; }
.page-hero .lede { margin-top: 0.9rem; }
.page-hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
.page-hero-photo { aspect-ratio: 4 / 3; overflow: hidden; background: var(--dusk); }
.page-hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 65% 40%; display: block; }
@media (max-width: 720px) { .page-hero-grid { grid-template-columns: 1fr; } .page-hero-photo { display: none; } }

/* ---------- Intro split ---------- */

.intro-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(1.75rem, 4vw, 4rem);
  align-items: start;
}
.intro-grid p { color: var(--ink-dim); }
.intro-grid p + p { margin-top: 0.9rem; }

/* ---------- Work band (home) ---------- */

.work-band { position: relative; overflow: hidden; }
.work-band .wrap {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1.25rem;
}
.work-band .band-line {
  position: absolute; left: 0; right: 0; top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--glow) 30%, var(--glow) 70%, transparent);
  opacity: 0.85;
}

/* ---------- Feature strip (icon grid) ---------- */

.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.25rem);
  margin-top: clamp(2rem, 4vw, 3rem);
}
.feature-strip.cols-5 { grid-template-columns: repeat(5, 1fr); }
.feature-icon {
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--glow);
  margin-bottom: 1rem;
}
.feature-icon svg { width: 19px; height: 19px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.feature-item h3 { font-size: 0.97rem; margin-bottom: 0.35rem; }
.feature-item p { font-size: 0.87rem; color: var(--ink-dim); line-height: 1.5; }

.on-dusk .feature-icon, .section--dusk .feature-icon { border-color: var(--dusk-line); }
.on-dusk .feature-item h3, .section--dusk .feature-item h3 { color: #f5f3ef; }
.on-dusk .feature-item p, .section--dusk .feature-item p { color: var(--dusk-dim); }

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

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.why-item {
  padding: 1.5rem 1.5rem 1.7rem 0;
  border-bottom: 1px solid var(--line);
}
.why-item + .why-item { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.why-item h3 { font-size: 1rem; margin-bottom: 0.45rem; }
.why-item p { font-size: 0.93rem; color: var(--ink-dim); }

/* ---------- Final CTA ---------- */

.cta-band { text-align: center; }
.cta-band h2 { margin-bottom: 1.4rem; }

/* ---------- Steps (services) ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem 1.75rem;
  list-style: none;
}
.step-num {
  display: inline-block;
  font-stretch: 118%;
  font-weight: 560;
  font-size: 2rem;
  line-height: 1;
  color: var(--glow);
  margin-bottom: 0.8rem;
}
.steps h3 { margin-bottom: 0.4rem; }
.steps p { font-size: 0.95rem; color: var(--ink-dim); }
.section--dusk .steps p { color: var(--dusk-dim); }

/* ---------- Detail rows (services) ---------- */

.detail-list { list-style: none; border-top: 1px solid var(--line); }
.detail-list li {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
}
.detail-list h3 { font-size: 0.98rem; }
.detail-list p { color: var(--ink-dim); font-size: 0.97rem; }

/* ---------- Work page ---------- */

.work-note {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 2rem;
  max-width: 620px;
}
.work-note p { color: var(--ink-dim); }
.work-note .btn { margin-top: 1.4rem; }

.work-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.work-gallery figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.work-gallery figcaption { margin-top: 0.55rem; font-size: 0.9rem; color: var(--ink-dim); }

/* ---------- FAQ ---------- */

.faq { max-width: 720px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 1.15rem 2.25rem 1.15rem 0;
  font-weight: 500;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute; right: 0.25rem; top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--ink-dim);
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { content: "–"; }
.faq .faq-body { padding: 0 0 1.3rem; color: var(--ink-dim); max-width: 62ch; }

/* ---------- Quote form ---------- */

.quote-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.quote-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem 1.1rem;
}

.field { display: grid; gap: 0.4rem; }
.field.full, .quote-form .full { grid-column: 1 / -1; }

.field label { font-size: 0.85rem; font-weight: 500; color: #d8d5cf; }
.field .opt { color: var(--dusk-dim); font-weight: 400; }

.field input,
.field textarea {
  font: inherit;
  color: #f2f0ec;
  background: var(--dusk-soft);
  border: 1px solid var(--dusk-line);
  padding: 0.72rem 0.85rem;
  width: 100%;
  border-radius: 0;
  transition: border-color 0.2s ease;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--glow); }
.field input[type="file"] { padding: 0.5rem 0.85rem; }

.hp { display: none; }

.form-status { margin-top: 0.75rem; font-size: 0.9rem; color: var(--glow); }

.quote-aside p { color: var(--dusk-dim); }
.quote-aside .aside-contact { margin-top: 1.5rem; display: grid; gap: 0.35rem; padding-top: 1.25rem; border-top: 1px solid var(--dusk-line); }
.quote-aside .aside-contact a { color: #f2f0ec; text-decoration: none; font-weight: 500; }
.quote-aside .aside-contact a:hover { color: var(--glow); }
.quote-aside .aside-contact span { color: var(--dusk-dim); font-size: 0.88rem; }

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

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1.75rem, 4vw, 4rem);
  align-items: start;
}
.about-copy { margin-top: 1rem; }
.about-copy p { color: var(--ink-dim); }
.about-copy p + p { margin-top: 0.9rem; }
.about-photo { aspect-ratio: 4 / 5; overflow: hidden; background: var(--dusk); }
.about-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about-contact {
  margin-top: 1.6rem;
  display: grid; gap: 0.35rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}
.about-contact a { color: var(--ink); text-decoration: none; font-weight: 500; }
.about-contact a:hover { color: var(--glow); }
.about-contact span { color: var(--ink-dim); font-size: 0.9rem; }

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

.site-footer { border-top: 1px solid var(--line); padding-block: 2.25rem 1.75rem; }

.footer-row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1.25rem;
}
.footer-row nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-row a { color: var(--ink-dim); text-decoration: none; font-size: 0.92rem; }
.site-footer .brand { color: var(--ink); }

.footer-row a:hover { color: var(--ink); }
.footer-contact { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-contact a { color: var(--ink); font-weight: 500; }

.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem;
  margin-top: 1.75rem; padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem; color: var(--ink-dim);
}

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

.reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Focus ---------- */

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 2px;
}

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

@media (max-width: 900px) {
  .intro-grid, .about-grid, .quote-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .feature-strip, .feature-strip.cols-5 { grid-template-columns: 1fr 1fr; }
  .why-item { padding: 1.4rem 1.25rem 1.4rem 0; }
  .why-item + .why-item { padding-left: 0; border-left: 0; }
  .why-item:nth-child(even) { padding-left: 1.25rem; border-left: 1px solid var(--line); }
  .steps { grid-template-columns: 1fr; }
  .detail-list li { grid-template-columns: 1fr; gap: 0.4rem; }
  .work-gallery { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--dusk);
    border-bottom: 1px solid var(--dusk-line);
    display: none;
    padding: 0.4rem var(--pad) 1.1rem;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-top: 1px solid var(--dusk-line); }
  .nav-links li:first-child { border-top: 0; }
  .nav-links a:not(.btn) { display: block; padding: 0.85rem 0; }
  .nav-links .btn { display: block; text-align: center; margin-top: 0.85rem; }
  .why-grid { grid-template-columns: 1fr; }
  .why-item, .why-item:nth-child(even) { padding-left: 0; border-left: 0; }
  .quote-form { grid-template-columns: 1fr; }
}

/* ---------- Day / Night contrast ---------- */
.daynight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 2.25rem;
}
.dn-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 2rem 1.75rem;
}
.dn-card h3 { margin-bottom: 0.6rem; }
.dn-day { background: var(--surface); }
.dn-night {
  background: var(--dusk);
  border-color: var(--dusk-line);
  color: #f2f0ec;
  box-shadow: 0 0 0 1px var(--dusk-line), 0 18px 48px -24px var(--glow-soft);
}
.dn-night h3 { color: #f2f0ec; }
.dn-night p { color: var(--dusk-dim); }
.dn-night .eyebrow { color: var(--glow); border-bottom-color: var(--glow); }

/* ---------- Permanent vs seasonal ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 1.25rem;
  margin-top: 2.25rem;
  align-items: start;
}
.compare-col {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.75rem 1.6rem;
  background: var(--surface);
}
.compare-col h3 { margin-bottom: 0.9rem; font-size: 1.05rem; }
.compare-col ul { list-style: none; }
.compare-col li {
  padding: 0.45rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink-dim);
  font-size: 0.97rem;
}
.compare-col li:first-child { border-top: none; padding-top: 0; }
.compare-col--featured {
  border-color: var(--glow);
  box-shadow: 0 14px 40px -24px var(--glow-soft);
}
.compare-col--featured li { color: var(--ink); }

@media (max-width: 720px) {
  .daynight, .compare { grid-template-columns: 1fr; }
}