/* 00  Core — resets and behaviour hooks only. Every visual decision for this
       site lives in the sections below, starting with the design tokens.    */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; }
img, svg, iframe, video { display: block; max-width: 100%; }
img { height: auto; }
iframe { border: 0; }
figure { margin: 0; }
[hidden] { display: none !important; }
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.skip-link { position: absolute; left: 0.5rem; top: 0.5rem; z-index: 999; transform: translateY(-160%); padding: 0.8rem 1.2rem; background: #000; color: #fff; font-weight: 700; text-decoration: none; }
.skip-link:focus { transform: none; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.nav-toggle .icon-close, .nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }
summary { cursor: pointer; }
summary::-webkit-details-marker { display: none; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.field { display: flex; flex-direction: column; gap: 0.3rem; min-width: 0; }
.field__error { margin: 0; min-height: 1rem; font-size: 0.82rem; font-weight: 700; color: var(--err); }
.field.is-invalid :where(input, select, textarea) { border-color: var(--err); }
.form-status { min-height: 1.2rem; font-weight: 700; }
.form-status.is-error { color: var(--err); }
.form-status.is-ok { color: var(--ok); }
.img-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.25rem; width: 100%; padding: 1rem; text-align: center; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; line-height: 1.5; }
.img-placeholder b { display: block; font-size: 0.92rem; letter-spacing: 0; text-transform: none; word-break: break-all; }
:target { scroll-margin-top: 120px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; } }

/* ==========================================================================
   Placer Surface HVAC Group — placerhvac.xyz
   Valley heat, Sierra blue, dry-grass gold, diagonal cuts, a logo block.
   01 Tokens · 02 Base · 03 Header · 04 Side rail · 05 Buttons · 06 Hero
   07 Page heads · 08 Sections · 09 Buyer checker (signature) · 10 FAQ
   11 Form & contact · 12 Footer · 13 Images
   ========================================================================== */

/* 01 Tokens */
:root {
  --sierra: #1f5f8b; --sierra-dark: #174766; --sierra-soft: #e3eef6; --grass: #d9b86c; --grass-soft: #f7efdc; --grass-ink: #7a5d17;
  --paper: #fbfbf9; --white: #ffffff; --ink: #14202b; --text: #37444f; --muted: #5a6772; --line: #d7dfe5;
  --focus: #1f5f8b; --err: #b3261e; --ok: #2e6b3a;
  --font: "Anek Latin", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-sm: 0.95rem; --f0: clamp(1.02rem, 0.99rem + 0.16vw, 1.1rem); --f1: clamp(1.25rem, 1.12rem + 0.55vw, 1.6rem);
  --f2: clamp(1.95rem, 1.5rem + 2vw, 3rem); --f3: clamp(2.5rem, 1.7rem + 3.6vw, 4.5rem);
  --wrap: 1180px; --pad-y: clamp(3.2rem, 2.3rem + 4vw, 6rem); --r: 6px;
}

/* 02 Base */
body { background: var(--paper); color: var(--text); font-family: var(--font); font-size: var(--f0); line-height: 1.65; }
h1, h2, h3 { margin: 0 0 0.45em; color: var(--ink); font-weight: 700; line-height: 1.08; letter-spacing: -0.01em; text-wrap: balance; }
h1 { font-size: var(--f3); font-weight: 800; }
h2 { font-size: var(--f2); }
h3 { font-size: var(--f1); font-weight: 600; }
p { margin: 0 0 1em; max-width: 64ch; }
p:last-child { margin-bottom: 0; }
a { color: var(--sierra); text-underline-offset: 3px; font-weight: 600; }
a:hover { color: var(--ink); }
strong, b { color: var(--ink); font-weight: 700; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
.wrap { width: min(100% - 2rem, var(--wrap)); margin-inline: auto; }
.over { display: inline-block; margin-bottom: 0.8rem; padding-bottom: 0.2rem; border-bottom: 3px solid var(--grass); font-size: 0.85rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sierra); }

/* 03 Header */
.hd { position: relative; z-index: 30; background: var(--white); border-bottom: 1px solid var(--line); }
.hd__in { display: flex; align-items: stretch; min-height: 76px; }
.blk { display: flex; align-items: center; gap: 0.6rem; padding: 0 1.4rem 0 max(1rem, calc((100vw - 1180px) / 2)); background: var(--sierra); color: #fff; text-decoration: none; clip-path: polygon(0 0, 100% 0, calc(100% - 22px) 100%, 0 100%); padding-right: 2.6rem; }
.blk svg { width: 38px; height: 38px; flex: none; }
.blk b { display: block; color: #fff; font-size: 1.35rem; font-weight: 800; line-height: 1; }
.blk small { display: block; color: #cfe1ee; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; }
.blk:hover { background: var(--sierra-dark); color: #fff; }
.blk:focus-visible { outline-offset: -4px; outline-color: #fff; }
.pnav { display: none; }
.hd__end { display: flex; align-items: center; gap: 1rem; margin-left: auto; padding-right: max(1rem, calc((100vw - 1180px) / 2)); }
.hd .hd__tel, .hd .hd__cta { display: none; }
.hd__tel { color: var(--ink); font-weight: 700; text-decoration: none; white-space: nowrap; }
.nav-toggle { flex: none; display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.55rem 0.9rem; border: 2px solid var(--sierra); border-radius: var(--r); background: transparent; color: var(--sierra); font: inherit; font-weight: 700; cursor: pointer; }
.nav-toggle svg { width: 18px; height: 18px; }
@media (max-width: 1049px) {
  .pnav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; padding: 0.5rem 1.2rem 1.4rem; background: var(--white); border-bottom: 3px solid var(--sierra); box-shadow: 0 20px 30px -24px rgba(20,32,43,0.5); }
  .pnav.is-open { display: flex; }
  .pnav a { padding: 0.85rem 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; font-size: 1.25rem; font-weight: 600; }
  .pnav a[aria-current="page"] { color: var(--sierra); }
}
@media (max-width: 400px) { .blk small { display: none; } .blk b { font-size: 1.2rem; } .blk { padding-right: 2rem; } }
@media (min-width: 1050px) {
  .nav-toggle { display: none; }
  .hd .hd__tel { display: inline; }
  .hd .hd__cta { display: inline-flex; }
  .pnav { display: flex; align-items: center; gap: 0.2rem; margin-left: 1.4rem; }
  .pnav a { position: relative; padding: 0.5rem 0.75rem; color: var(--text); text-decoration: none; font-weight: 600; }
  .pnav a:hover { color: var(--ink); }
  .pnav a[aria-current="page"] { color: var(--sierra); }
  .pnav a[aria-current="page"]::after { content: ""; position: absolute; left: 0.75rem; right: 0.75rem; bottom: -0.05rem; height: 3px; background: var(--grass); }
}

/* 04 Side rail (under 1050px) */
.rail { position: fixed; left: 0; top: 50%; z-index: 40; display: grid; transform: translateY(-50%); border-radius: 0 12px 12px 0; overflow: hidden; box-shadow: 6px 10px 24px -12px rgba(20,32,43,0.6); }
.rail a { display: grid; justify-items: center; gap: 0.15rem; width: 58px; padding: 0.7rem 0.2rem; color: #fff; background: var(--sierra); font-size: 0.72rem; font-weight: 700; text-decoration: none; }
.rail a + a { background: var(--grass); color: var(--ink); }
.rail svg { width: 22px; height: 22px; }
.rail a:focus-visible { outline: 3px solid var(--ink); outline-offset: -4px; }
@media (min-width: 1050px) { .rail { display: none; } }
@media (max-width: 1049px) { main .wrap, .ft .wrap { width: calc(100% - 5.4rem); margin-left: 4.4rem; margin-right: 1rem; } }

/* 05 Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.85rem 1.4rem; border: 2px solid transparent; border-radius: var(--r); font: inherit; font-weight: 700; text-decoration: none; white-space: nowrap; cursor: pointer; transition: background-color 0.2s, color 0.2s; }
.btn svg { width: 1em; height: 1em; }
.btn--sierra { background: var(--sierra); color: #fff; }
.btn--sierra:hover { background: var(--sierra-dark); color: #fff; }
.btn--grass { background: var(--grass); color: var(--ink); }
.btn--grass:hover { background: #e3c683; color: var(--ink); }
.btn--line { border-color: var(--sierra); color: var(--sierra); background: transparent; }
.btn--line:hover { background: var(--sierra); color: #fff; }
.btn--white { background: #fff; color: var(--sierra-dark); }
.btns { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.6rem; }

/* 06 Hero */
.hero { position: relative; display: grid; background: var(--sierra); color: #dcebf5; overflow: hidden; }
@media (min-width: 900px) { .hero { grid-template-columns: 55% 45%; min-height: 560px; } }
.hero__text { position: relative; z-index: 1; display: flex; flex-direction: column; justify-content: center; padding: clamp(2.6rem, 2rem + 3vw, 4.8rem) 1rem clamp(2.6rem, 2rem + 3vw, 4.8rem) max(1rem, calc((100vw - 1180px) / 2)); }
@media (max-width: 1049px) { .hero__text { padding-left: 4.4rem; padding-right: 1rem; } }
.hero h1 { color: #fff; max-width: 14ch; }
.hero h1 span { color: var(--grass); }
.hero p.lede { font-size: var(--f1); line-height: 1.5; color: #eef5fa; max-width: 34ch; }
.hero__img { position: relative; margin: 0; }
@media (min-width: 900px) { .hero__img { clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%); margin-left: -12%; } }
.hero__img img, .hero__img .img-placeholder { width: 100%; height: 100%; min-height: 260px; object-fit: cover; border-radius: 0; }
.hero :focus-visible { outline-color: var(--grass); }

/* 07 Page heads */
.phead { background: var(--sierra-soft); border-bottom: 4px solid var(--grass); }
.phead .wrap { padding-block: clamp(2.4rem, 2rem + 2.4vw, 4rem); }
.phead h1 { font-size: clamp(2.1rem, 1.6rem + 2.4vw, 3.5rem); max-width: 22ch; }
.phead p { font-size: 1.12rem; max-width: 56ch; color: var(--ink); }
.crumbs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 1rem; padding: 0; list-style: none; font-size: 0.88rem; }
.crumbs li + li::before { content: "›"; margin-right: 0.5rem; color: var(--grass-ink); }

/* 08 Sections */
.sec { padding-block: var(--pad-y); }
.sec--white { background: var(--white); }
.sec--sierra { background: var(--sierra-dark); color: #dcebf5; }
.sec--sierra h2, .sec--sierra h3 { color: #fff; }
.sec--sierra .over { color: var(--grass); }
.sec--sierra a:not(.btn) { color: var(--grass); }
.sec--sierra :focus-visible { outline-color: var(--grass); }
.three { display: grid; gap: 1px; margin-top: 2rem; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 820px) { .three { grid-template-columns: repeat(3, 1fr); } }
.three > div { padding: 1.8rem 1.6rem; background: var(--white); }
.three .glyph { display: block; margin-bottom: 0.8rem; font-size: 2.4rem; font-weight: 800; line-height: 1; color: var(--sierra); }
.three > div:nth-child(2) .glyph { color: var(--grass-ink); }
.three p { margin: 0; font-size: var(--f-sm); }
.rows { display: grid; gap: 1.2rem; }
.row { display: grid; gap: 1.6rem; align-items: center; padding: clamp(1.4rem, 1rem + 2vw, 2.2rem); background: var(--white); border: 1px solid var(--line); border-left: 6px solid var(--sierra); }
.row:nth-child(2) { border-left-color: var(--grass); }
@media (min-width: 860px) { .row { grid-template-columns: 0.8fr 1.2fr; } }
.row > * { min-width: 0; }
.row ul { columns: 2; column-gap: 1.6rem; margin: 0.8rem 0 1.2rem; padding: 0; list-style: none; }
@media (max-width: 560px) { .row ul { columns: 1; } }
.row li { break-inside: avoid; padding: 0.3rem 0 0.3rem 1.2rem; position: relative; }
.row li::before { content: ""; position: absolute; left: 0; top: 0.8rem; width: 8px; height: 8px; background: var(--grass); transform: rotate(45deg); }
.split { display: grid; gap: 2.4rem; align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; } }
.split > * { min-width: 0; }
.split--top { align-items: start; }
.ticks { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.8rem; }
.ticks li { display: grid; grid-template-columns: 1.6rem 1fr; gap: 0.6rem; }
.ticks li::before { content: "✓"; display: grid; place-items: center; width: 1.6rem; height: 1.6rem; background: var(--sierra); color: #fff; font-weight: 800; font-size: 0.85rem; }
.ticks h3 { font-size: 1.1rem; margin-bottom: 0.1rem; }
.ticks p { margin: 0; font-size: var(--f-sm); }
.map { display: block; width: 100%; height: clamp(300px, 36vw, 420px); border: 1px solid var(--line); background: var(--sierra-soft); }

/* 09 Buyer checker (signature) */
.ages { padding: clamp(1.4rem, 1rem + 2vw, 2.4rem); background: var(--white); border: 1px solid var(--line); border-top: 6px solid var(--sierra); }
.ages__in { display: grid; gap: 1rem; }
@media (min-width: 560px) { .ages__in { grid-template-columns: 1fr 1fr; } }
.ages label { display: block; margin-bottom: 0.35rem; font-weight: 700; color: var(--ink); font-size: 0.95rem; }
.life { display: grid; gap: 0.8rem; margin: 1.4rem 0 0; padding: 0; list-style: none; }
.life[hidden] { display: none; }
.life li { padding: 1rem 1.1rem; background: var(--paper); border: 1px solid var(--line); margin: 0; }
.life b { display: block; font-size: 1.1rem; }
.life .bar { position: relative; height: 10px; margin: 0.6rem 0 0.4rem; background: linear-gradient(90deg, #cfe3cf 0 55%, var(--grass-soft) 55% 80%, #f3c9c0 80%); }
.life .bar i { position: absolute; top: -5px; width: 4px; height: 20px; margin-left: -2px; background: var(--ink); left: 0; }
.life span { font-size: var(--f-sm); color: var(--muted); }

/* 10 FAQ */
.faq { display: grid; gap: 0.8rem; max-width: 900px; }
.pq { background: var(--white); border: 1px solid var(--line); }
.pq summary { display: flex; justify-content: space-between; gap: 1rem; padding: 1.05rem 1.2rem; font-weight: 700; color: var(--ink); cursor: pointer; list-style: none; }
.pq summary::after { content: "+"; flex: none; display: grid; place-items: center; width: 1.6rem; height: 1.6rem; background: var(--sierra-soft); color: var(--sierra); font-weight: 800; }
.pq[open] summary::after { content: "–"; background: var(--grass); color: var(--ink); }
.pq > div { padding: 0 1.2rem 1.1rem; }

/* 11 Form & contact */
.form { display: grid; gap: 1rem 1.2rem; margin-top: 1.2rem; }
@media (min-width: 640px) { .form--2col { grid-template-columns: 1fr 1fr; } }
.field--full, .form__end { grid-column: 1 / -1; }
.field label, .picks legend { font-weight: 700; color: var(--ink); font-size: 0.95rem; }
.req { color: var(--sierra); }
.opt { font-weight: 400; color: var(--muted); }
input[type="text"], input[type="tel"], input[type="email"], input[type="number"], select, textarea { width: 100%; padding: 0.8rem 0.95rem; font: inherit; color: var(--ink); background: var(--white); border: 1px solid #b6c4cf; border-radius: var(--r); }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231f5f8b' stroke-width='2.6'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.9rem center; background-size: 16px; padding-right: 2.4rem; }
textarea { min-height: 130px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--sierra); }
.form-status { margin: 0.8rem 0 0; }
.form-note { margin: 0.5rem 0 0; font-size: 0.86rem; color: var(--muted); }
.box { padding: clamp(1.5rem, 1rem + 2vw, 2.6rem); background: var(--white); border: 1px solid var(--line); }
.infotable { width: 100%; border-collapse: collapse; background: var(--white); border: 1px solid var(--line); }
.infotable th, .infotable td { padding: 0.9rem 1rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.infotable th { width: 34%; background: var(--sierra); color: #fff; font-weight: 700; }
.infotable tr:last-child > * { border-bottom: 0; }
.infotable .big { font-size: 1.5rem; font-weight: 800; color: var(--ink); text-decoration: none; }

/* 12 Footer */
.ft { background: var(--ink); color: #b8c6d1; font-size: var(--f-sm); border-top: 6px solid var(--grass); }
.ft .wrap { display: grid; gap: 2rem; padding-block: 3rem 1.6rem; }
@media (min-width: 820px) { .ft .wrap { grid-template-columns: 1.4fr 1fr 1fr; } }
.ft h2 { color: #fff; font-size: 1.1rem; }
.ft ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.35rem; }
.ft a { color: #fff; }
.ft :focus-visible { outline-color: var(--grass); }
.ft__base { grid-column: 1 / -1; padding-top: 1.2rem; border-top: 1px solid #2b3a47; font-size: 0.85rem; }
.ft__base p { margin: 0; max-width: none; }

/* 13 Images */
.img-placeholder { background: #dde8f0; border: 1px dashed #8fb0c7; color: var(--muted); }
.img-placeholder b { color: var(--ink); }
figure img, figure .img-placeholder { border-radius: var(--r); }
.mt { margin-top: 2rem; }
.hero .over { color: var(--grass); } .rail { border: 2px solid #fff; border-left: 0; }
.hero .over { align-self: flex-start; }