/* HVAC Invoice Pro website
   Design system: white page, one orange call-to-action, brand blue for accents, grey rounded bands,
   geometric headings (Manrope) over a humanist body face (Source Sans 3). */
:root {
  --bg: #ffffff; --gray: #f4f5f8; --gray-2: #e9ecf2; --card: #ffffff;
  --ink: #1b2430; --muted: #5b6673; --line: #e3e7ee;
  --brand: #0e6ba8; --brand-dark: #0a4f80; --brand-soft: #e8f2fa;
  --cta: #e8471f; --cta-dark: #c93a15; --cta-soft: #fdeee8;
  --good: #1f8a4c; --warm: #c0392b;
  --radius: 16px; --radius-sm: 6px;
  --font-head: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: "Source Sans 3", "Source Sans Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow: 0 18px 50px rgba(27, 36, 48, 0.16), 0 2px 6px rgba(27, 36, 48, 0.06);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 18px/1.6 var(--font-body); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--ink); letter-spacing: -0.01em; }
h1, h2, h3 { text-wrap: balance; }
p.lead, .cta-band p { text-wrap: pretty; }
h1 { font-size: 52px; line-height: 1.12; font-weight: 800; margin: 0 0 18px; }
h2 { font-size: 38px; line-height: 1.18; font-weight: 800; margin: 0 0 12px; }
h3 { font-size: 22px; line-height: 1.3; font-weight: 700; margin: 0 0 8px; }
p { margin: 0 0 14px; }
p.lead { font-size: 20px; line-height: 1.5; color: var(--muted); }
.center { text-align: center; }
p.lead.center { max-width: 760px; margin-left: auto; margin-right: auto; }
.eyebrow { display: inline-block; font-family: var(--font-head); font-weight: 800; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand); margin: 0 0 14px; }
.wrap { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.wrap.narrow { max-width: 860px; }
.updated { color: var(--muted); font-size: 16px; }

/* Buttons */
.button { display: inline-block; white-space: nowrap; font-family: var(--font-body); font-weight: 600; font-size: 18px; line-height: 1.2; padding: 14px 24px; border-radius: var(--radius-sm); text-decoration: none; background: var(--cta); color: #fff; border: 2px solid var(--cta); transition: background .15s, border-color .15s, transform .15s; }
.button:hover { background: var(--cta-dark); border-color: var(--cta-dark); }
.button.ghost { background: #fff; color: var(--ink); border-color: #d7dde6; }
.button.ghost:hover { background: var(--gray); border-color: #c5ccd7; }
.button.soft { background: var(--gray); color: var(--ink); border-color: var(--gray); font-size: 16px; padding: 12px 20px; }
.button.soft:hover { background: var(--gray-2); border-color: var(--gray-2); }
.button.small { font-size: 15px; padding: 9px 16px; }
.button.large { font-size: 20px; padding: 16px 30px; }
.button.white { background: #fff; color: var(--cta); border-color: #fff; }
.button.white:hover { background: #fff4ef; border-color: #fff4ef; }
.button.white-ghost { background: transparent; color: #fff; border-color: #fff; }

/* Header */
header.site { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 80px; }
.brand { font-family: var(--font-head); font-weight: 800; font-size: 20px; color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 12px; white-space: nowrap; }
.brand img { width: 40px; height: 40px; border-radius: 9px; }
nav { display: flex; align-items: center; gap: 28px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
nav a { text-decoration: none; color: var(--ink); font-weight: 600; font-size: 16px; }
nav a:hover { color: var(--brand); }
nav a[aria-current="page"] { color: var(--brand); }
nav .button { margin-left: 8px; }
/* Phone menu: a hamburger that opens a dropdown; hidden on wider screens where the links are inline. */
.menu { display: none; position: relative; }
.menu summary { list-style: none; cursor: pointer; font-size: 26px; line-height: 1; padding: 6px 4px; color: var(--ink); }
.menu summary::-webkit-details-marker { display: none; }
.menu .links { position: absolute; right: 0; top: 44px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 8px 0; min-width: 200px; display: flex; flex-direction: column; }
.menu .links a { padding: 10px 18px; }

/* Secondary pages (support, privacy) */
body:not(.landing) main { padding: 48px 0 64px; }
body:not(.landing) main .wrap { max-width: 860px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px; margin: 18px 0; }
.card h3 { margin-top: 0; }
.hero { background: var(--gray); border-radius: 24px; padding: 32px 28px; margin-bottom: 24px; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin: 10px 0; }
summary { font-family: var(--font-head); font-weight: 700; font-size: 18px; cursor: pointer; }
details p { margin: 10px 0 2px; color: var(--muted); }
ul { padding-left: 22px; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid .card { margin: 0; }

/* Landing: hero */
.hero-band { padding: 80px 0 0; }
.hero-grid { display: grid; grid-template-columns: 1.02fr 0.98fr; gap: 48px; align-items: center; }
.hero-grid p.lead { max-width: 560px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 26px 0 16px; }
.hero-note { font-size: 16px; font-weight: 400; color: var(--muted); max-width: 520px; margin: 0 0 14px; }
.trust { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 16px; }
.trust li::before { content: "✓ "; color: var(--good); font-weight: 800; }
.collage { position: relative; padding: 24px 0 36px 24px; }
.collage .main { position: relative; z-index: 1; }
.collage .main img { border-radius: 10px; box-shadow: var(--shadow); border: 1px solid var(--line); background: #fff; }
.chip { position: absolute; z-index: 2; background: #fff; border-radius: 14px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.chip.price { left: -12px; bottom: 8px; padding: 12px 16px 10px; min-width: 250px; }
.chip.price .label { font-family: var(--font-head); font-size: 11px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand); margin: 0 0 6px; }
.chip.price .row { display: grid; grid-template-columns: 1fr auto auto; gap: 0 12px; align-items: baseline; padding: 5px 6px; border-radius: 6px; font-size: 14px; }
.chip.price .row span { font-weight: 600; }
.chip.price .row b { font-family: var(--font-head); font-size: 16px; font-weight: 800; }
.chip.price .row em { font-style: normal; color: var(--muted); font-size: 13px; }
.chip.price .row.sel { background: var(--brand-soft); }
.chip.price .row.sel span { color: var(--brand); }
.chip.photo { right: 0; top: auto; bottom: 16px; width: 190px; padding: 8px; }
.chip.photo img { border-radius: 8px; aspect-ratio: 4 / 3; object-fit: cover; }
.chip.photo figcaption { font-size: 13px; font-weight: 600; color: var(--ink); padding: 6px 2px 0; }

/* Landing: bands */
/* One rhythm: every section opens with the same top space; the last one adds space before the footer. */
.band { padding: 96px 0 0; scroll-margin-top: 90px; }
.band.tight { padding: 96px 0 0; }
main > section:last-child { padding-bottom: 80px; }
.band h2 { text-align: center; }
.band h2 + p.lead { text-align: center; }
.gray-band { background: var(--gray); border-radius: 28px; padding: 64px 48px; }
.gray-band h2 { max-width: 820px; margin-left: auto; margin-right: auto; }
.step-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 40px 0 36px; }
.step-card { background: var(--card); border-radius: 18px; overflow: hidden; border: 1px solid var(--line); display: flex; flex-direction: column; }
.step-card .shot { background: #eef1f5; border-bottom: 1px solid var(--line); padding: 18px; min-height: 212px; display: flex; align-items: center; }
.mini { list-style: none; margin: 0; padding: 6px 4px; width: 100%; background: #fff; border-radius: 10px; border: 1px solid var(--line); font-size: 14px; }
.tiers-mini li { display: grid; grid-template-columns: 1fr auto; gap: 0 10px; padding: 7px 10px; border-radius: 8px; }
.tiers-mini .tier { grid-column: 1; grid-row: 1; font-family: var(--font-head); font-weight: 800; color: var(--ink); }
.tiers-mini .sub { grid-column: 1; grid-row: 2; font-size: 12px; color: var(--muted); }
.tiers-mini strong { grid-column: 2; grid-row: 1 / span 2; align-self: center; font-family: var(--font-head); font-weight: 800; font-size: 15px; }
.tiers-mini .sel { background: var(--brand-soft); }
.tiers-mini .sel .tier { color: var(--brand); }
.lines-mini li { display: flex; justify-content: space-between; gap: 10px; padding: 6px 10px; border-top: 1px solid var(--line); }
.lines-mini li:first-child { border-top: 0; }
.lines-mini strong { font-weight: 600; }
.lines-mini .credit { color: var(--good); }
.lines-mini .credit strong { color: var(--good); }
.lines-mini .total { background: var(--gray); border-radius: 0 0 8px 8px; }
.lines-mini .total strong { font-family: var(--font-head); font-weight: 800; }
.photos-mini { padding: 10px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.photos-mini figure { margin: 0; }
.photos-mini img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 6px; }
.photos-mini figcaption { font-size: 12px; color: var(--muted); padding-top: 4px; }
.photos-mini .paid { grid-column: 1 / -1; margin: 0; font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.photos-mini .paid span { background: var(--good); color: #fff; font-family: var(--font-head); font-weight: 800; font-size: 11px; padding: 3px 8px; border-radius: 6px; letter-spacing: 0.06em; }
.step-card .body { display: grid; grid-template-columns: 30px 1fr; column-gap: 12px; align-items: start; padding: 22px 24px 26px; }
.step-card .num { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: #fff; font-family: var(--font-head); font-weight: 800; font-size: 15px; margin: 0; }
.step-card h3 { display: flex; align-items: center; margin: 0; font-size: 20px; line-height: 1.3; min-height: 30px; }
.step-card p { grid-column: 2; color: var(--muted); font-size: 17px; margin: 10px 0 0; }
.band-cta { text-align: center; }

/* Feature rows: the document gets the wider column and is shown as a legible top-of-page crop. */
.feature-row { display: grid; grid-template-columns: 7fr 5fr; gap: 56px; align-items: center; padding: 40px 0; }
.feature-row.flip { grid-template-columns: 5fr 7fr; }
.feature-row.flip .media { order: 2; }
.feature-row h2 { text-align: left; font-size: 34px; }
.feature-row p { color: var(--muted); font-size: 18px; }
.feature-row .media img { border-radius: 18px; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.feature-row .media.doc { position: relative; overflow: hidden; border-radius: 14px; border: 1px solid var(--line); box-shadow: var(--shadow); background: #fff; }
.feature-row .media.doc img { aspect-ratio: auto; border-radius: 0; display: block; }
.feature-row .media.doc::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 56px; background: linear-gradient(to bottom, rgba(255,255,255,0), #fff); pointer-events: none; }
.feature-row .checks { margin: 8px 0 20px; }
.checks { list-style: none; padding: 0; margin: 14px 0 0; }
.checks li { padding: 6px 0 6px 30px; position: relative; color: var(--ink); }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 5px; color: var(--good); font-weight: 800; }
.tiers { font-size: 15px; color: var(--muted); background: var(--gray); border-radius: 12px; padding: 12px 16px; margin: 14px 0 20px; line-height: 1.55; }
.tiers strong { color: var(--brand); }

/* Why HVAC only */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 36px; }
.compare-col { border-radius: 18px; padding: 28px 30px; border: 1px solid var(--line); background: var(--card); }
.compare-col h3 { margin-top: 0; }
.compare-col ul { list-style: none; padding: 0; margin: 12px 0 0; }
.compare-col li { padding: 10px 0 10px 32px; position: relative; border-top: 1px solid var(--line); font-size: 17px; }
.compare-col li::before { position: absolute; left: 0; top: 9px; font-weight: 800; }
.compare-col.them { color: var(--muted); background: var(--gray); border-color: var(--gray); }
.compare-col.them li { border-top-color: var(--gray-2); }
.compare-col.them li::before { content: "✕"; color: var(--warm); }
.compare-col.us { border-color: var(--brand); box-shadow: 0 12px 34px rgba(14, 107, 168, 0.12); }
.compare-col.us li::before { content: "✓"; color: var(--good); }

/* Photo strip */
.photo-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.photo-strip figure { margin: 0; position: relative; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 18px; }
.photo-strip img { width: 100%; height: 100%; object-fit: cover; }
.photo-strip { margin-top: 36px; }
.photo-strip figcaption { position: absolute; left: 14px; bottom: 14px; color: #fff; font-family: var(--font-head); font-weight: 800; font-size: 17px; background: rgba(15, 23, 32, 0.72); padding: 7px 14px; border-radius: 999px; }

/* Pricing */
.plans { display: grid; grid-template-columns: minmax(0, 460px); justify-content: center; margin-top: 36px; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 32px 34px; position: relative; box-shadow: var(--shadow); }
.plan h3 { margin: 0; font-size: 20px; color: var(--muted); font-weight: 700; }
.plan .price { font-family: var(--font-head); font-size: 56px; font-weight: 800; margin: 4px 0 8px; letter-spacing: -0.03em; line-height: 1; }
.plan .price span { font-family: var(--font-body); font-size: 18px; font-weight: 600; color: var(--muted); margin-left: 6px; letter-spacing: 0; }
.plan .button { margin-top: 20px; width: 100%; text-align: center; }
.plan .badge { position: absolute; top: -15px; right: 24px; margin: 0; background: var(--good); color: #fff; font-family: var(--font-head); font-weight: 800; font-size: 13px; border-radius: 999px; padding: 5px 14px; }
.fineprint { color: var(--muted); font-size: 15px; text-align: center; max-width: 780px; margin: 28px auto 0; }

/* FAQ */
.faq { max-width: 860px; margin: 32px auto 0; }

/* About */
.about-card { background: var(--gray); border-radius: 22px; padding: 32px 36px; max-width: 720px; margin: 28px auto 0; }
.about-card p { margin: 0 0 6px; }
.about-card p:empty { display: none; }

/* CTA band */
.cta-band { background: linear-gradient(135deg, #ff6a3d 0%, var(--cta) 55%, #d33a12 100%); color: #fff; border-radius: 28px; padding: 64px 48px; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.92); font-size: 20px; max-width: 640px; margin: 0 auto 26px; }
.cta-band .cta-row { justify-content: center; margin: 0; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 48px 0 40px; color: var(--muted); font-size: 15px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
.foot-grid h4 { font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; margin: 0 0 12px; color: var(--ink); }
.foot-grid ul { list-style: none; padding: 0; margin: 0; }
.foot-grid li { margin: 0 0 8px; }
.foot-grid a { color: var(--muted); text-decoration: none; }
.foot-grid a:hover { color: var(--brand); }
.foot-brand p { margin: 10px 0 0; max-width: 300px; }
.legal { font-size: 13px; line-height: 1.6; border-top: 1px solid var(--line); padding-top: 20px; }

@media (max-width: 1000px) {
  h1 { font-size: 42px; }
  h2 { font-size: 32px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .collage { max-width: 520px; margin: 0 auto; padding: 24px 16px 36px 16px; }
  .chip.price { left: 0; }
  .step-cards { grid-template-columns: 1fr; }
  .gray-band { padding: 48px 28px; }
  .feature-row, .feature-row.flip { grid-template-columns: 1fr; gap: 28px; padding: 36px 0; }
  .feature-row.flip .media { order: 0; }
  .compare { grid-template-columns: 1fr; }
  .photo-strip { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 17px; }
  h1 { font-size: 36px; }
  h2, .feature-row h2 { font-size: 28px; }
  .wrap { padding-left: 16px; padding-right: 16px; }
  header.site .wrap { height: 64px; gap: 10px; }
  .brand { font-size: 17px; gap: 8px; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
  .brand img { width: 34px; height: 34px; flex: none; }
  nav { gap: 8px; flex: none; }
  nav .button.small { font-size: 14px; padding: 8px 12px; margin-left: 0; }
  .nav-links { display: none; }
  .menu { display: block; }
  .chip.photo { top: -6px; bottom: auto; right: 0; }
  .hero-band { padding: 40px 0 0; }
  .band, .band.tight { padding: 60px 0 0; }
  main > section:last-child { padding-bottom: 56px; }
  .gray-band, .cta-band { padding: 40px 20px; border-radius: 20px; }
  .photo-strip { grid-template-columns: 1fr; }
  .photo-strip figure { aspect-ratio: 16 / 9; }
  .plan { padding: 26px 22px; }
  .plan .price { font-size: 46px; }
  .foot-grid { grid-template-columns: 1fr; gap: 20px; }
  .chip.photo { width: 140px; }
  .chip.price { min-width: 200px; padding: 10px 12px 8px; }
  .chip.price .row { font-size: 13px; padding: 4px 6px; }
  .chip.price .row b { font-size: 14px; }
}