/* =========================================================
   Spotless Air Cleaning — shared styles
   Palette derived from the 2026 wordmark/S-mark logo set:
   sky blue #28a1e0, dark navy #1a2b3c
   ========================================================= */

:root {
  --blue: #28a1e0;        /* brand sky blue — accents & graphics, not body text */
  --blue-deep: #1877ad;   /* darker blue — links, hovers, where contrast matters */
  --navy: #1a2b3c;        /* brand navy — headings, dark sections */
  --navy-soft: #24384d;
  --blue-light: #d9eefb;
  --blue-mist: #ecf6fd;
  --ink: #10181f;
  --ink-soft: #5c6b78;
  --paper: #ffffff;
  --paper-warm: #f3f9fd;
  --accent: #d3703e;      /* CTA orange */
  --accent-dark: #b95c2e;
  --line: #dcebf4;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(26, 43, 60, 0.10);
}

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

html { scroll-behavior: smooth; }

body {
  overflow-x: clip;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-size: 1.06rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--blue-deep); }

.container {
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 22px;
}
.container--narrow { max-width: 760px; }

section { padding: 64px 0; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; color: var(--navy); }
h1 { font-size: clamp(1.9rem, 5vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2rem); margin-bottom: 16px; }
h3 { font-size: 1.12rem; }

.lede { font-size: 1.15rem; color: var(--ink-soft); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue-deep);
  background: var(--blue-light);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  text-decoration: none;
  text-align: center;
  padding: 15px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  box-shadow: 0 3px 12px rgba(211, 112, 62, 0.35);
  transition: background 0.15s ease, transform 0.1s ease;
}
.btn:hover { background: var(--accent-dark); }
.btn:active { transform: scale(0.98); }
.btn-block { display: block; width: 100%; }
.btn-secondary {
  background: var(--navy);
  box-shadow: 0 3px 12px rgba(26, 43, 60, 0.25);
}
.btn-secondary:hover { background: var(--navy-soft); }

/* ---------- Header ---------- */
.topbar {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand { display: block; flex-shrink: 0; }
.brand img { height: 46px; width: auto; display: block; }

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
}
.nav a:hover { color: var(--blue-deep); }
.nav a.active { color: var(--blue-deep); }

.topbar-phone {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
  white-space: nowrap;
}
.topbar-cta {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff !important;
  background: var(--accent);
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 999px;
  white-space: nowrap;
}
.topbar-cta:hover { background: var(--accent-dark); color: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--navy);
  border-radius: 2px;
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0;
  }
  .nav a {
    padding: 12px 22px;
    font-size: 1.05rem;
  }
  .topbar.nav-open .nav { display: flex; }
  .topbar.nav-open .nav-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .topbar.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .topbar.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .topbar-phone { display: none; }
}
@media (max-width: 480px) {
  .topbar .container { gap: 10px; }
  .brand img { height: 32px; }
  .topbar-cta { font-size: 0.82rem; padding: 9px 14px; }
}

/* ---------- Hero (home) ---------- */
.hero {
  background: linear-gradient(180deg, var(--blue-mist) 0%, var(--paper) 100%);
  padding: 64px 0;
}
.hero .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: center;
}
.hero .container > * { min-width: 0; }
.h1-sub {
  display: block;
  font-size: 0.72em;
  margin-top: 8px;
}
.hero .subhead {
  font-size: 1.2rem;
  color: var(--ink-soft);
  margin: 16px 0 26px;
}
.hero-note { font-size: 0.88rem; color: var(--ink-soft); margin-top: 12px; }
.hero-img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
@media (min-width: 860px) {
  .hero .container { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  background: linear-gradient(180deg, var(--blue-mist) 0%, var(--paper) 100%);
  padding: 52px 0 40px;
}
.page-hero .lede { margin-top: 14px; max-width: 640px; }

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 30px;
}
.card {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card .icon { font-size: 1.7rem; margin-bottom: 10px; }
.card h3 { margin-bottom: 8px; }
.card p { font-size: 0.96rem; color: var(--ink-soft); }
.card a { font-weight: 700; font-size: 0.95rem; }
@media (min-width: 640px) { .cards--2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 860px) { .cards--3 { grid-template-columns: 1fr 1fr 1fr; } .cards--4 { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 640px) and (max-width: 859px) { .cards--3, .cards--4 { grid-template-columns: 1fr 1fr; } }

/* ---------- Alternating sections ---------- */
.section-tint { background: var(--paper-warm); }
.section-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: center;
}
.split > * { min-width: 0; }
@media (min-width: 860px) {
  .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .split--img-left .split-img { order: -1; }
}

/* ---------- Steps ---------- */
.steps { counter-reset: step; margin-top: 30px; display: grid; gap: 18px; }
.step {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px 22px 74px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 22px;
  top: 22px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step h3 { margin-bottom: 6px; }
.step p { font-size: 0.96rem; color: var(--ink-soft); }

/* ---------- Checklist ---------- */
.checklist { list-style: none; margin-top: 20px; display: grid; gap: 12px; }
.checklist li {
  padding-left: 34px;
  position: relative;
  color: var(--ink-soft);
}
.checklist li strong { color: var(--ink); }
.checklist li.addon::before { content: "+"; }
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--blue-light);
  color: var(--blue-deep);
  font-weight: 800;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Price band ---------- */
.price-band {
  background: var(--navy);
  color: #fff;
  text-align: center;
}
.price-band h2 { color: #fff; }
.price-band .price {
  font-size: clamp(2rem, 6vw, 2.8rem);
  font-weight: 800;
  color: var(--blue);
  margin: 8px 0 6px;
}
.price-band p { color: #b9cbd9; max-width: 560px; margin: 0 auto 24px; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(180deg, var(--blue-light) 0%, var(--blue-mist) 100%);
  text-align: center;
}
.cta-band p { color: var(--ink-soft); max-width: 560px; margin: 0 auto 24px; }

/* ---------- FAQ ---------- */
.faq-list { margin-top: 30px; display: grid; gap: 14px; }
.faq-item {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--navy);
  padding: 18px 52px 18px 22px;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--blue-deep);
}
.faq-item[open] summary::after { content: "–"; }
.faq-item .faq-body {
  padding: 0 22px 20px;
  color: var(--ink-soft);
  font-size: 0.98rem;
}
.faq-item .faq-body p + p { margin-top: 10px; }

/* ---------- Town list ---------- */
.towns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 20px;
  margin-top: 18px;
  list-style: none;
}
.towns li {
  padding-left: 26px;
  position: relative;
  color: var(--ink-soft);
}
.towns li::before {
  content: "📍";
  position: absolute;
  left: 0;
  font-size: 0.85rem;
}
@media (min-width: 640px) { .towns { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}
@media (min-width: 860px) { .contact-grid { grid-template-columns: 1fr 1.15fr; } }

.contact-info .card { margin-bottom: 16px; }
.contact-info .card p { margin-top: 2px; }
.contact-big {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--navy);
  text-decoration: none;
}
.contact-big:hover { color: var(--blue-deep); }

/* ---------- Spotless Pro Estimate Widget ---------- */
.widget-frame {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.widget-frame iframe { display: block; }

/* ---------- Footer ---------- */
footer {
  background: var(--navy);
  color: #b9cbd9;
  padding: 52px 0 36px;
  font-size: 0.92rem;
}
footer a { color: #dceaf5; }
footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-bottom: 34px;
}
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1.6fr; } }
/* Wordmark is navy+blue; render it solid white so it reads on the navy footer */
.footer-brand img { height: 38px; width: auto; margin-bottom: 14px; filter: brightness(0) invert(1); opacity: 0.95; }
.footer-brand p { margin-bottom: 4px; }
footer h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 12px;
}
.footer-nav { list-style: none; display: grid; gap: 8px; }
.footer-nav a { text-decoration: none; }
.footer-towns { line-height: 1.7; }
.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  font-size: 0.8rem;
  color: #8fa5b6;
}