/* 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; } }

/* ==========================================================================
   Hillcrest Finishes & HVAC Sol — hillcresthvac.xyz
   High desert twilight: indigo, apricot, sand, a hill-crest silhouette.
   01 Tokens · 02 Base · 03 Header & split pill · 04 Buttons · 05 Hero
   06 Page heads · 07 Sections · 08 Home diagram (signature) · 09 FAQ
   10 Form & contact · 11 Footer · 12 Images
   ========================================================================== */

/* 01 Tokens */
:root {
  --night: #1e2140; --night-2: #2b2f58; --sand: #f6efe4; --sand-2: #ecdfca; --white: #fffdf9;
  --apricot: #e8762c; --apricot-dark: #a24f12; --apricot-soft: #fde6d3; --sage: #7d8a6a;
  --ink: #1b1d33; --text: #3d3f55; --muted: #62647a; --line: #e0d3bd;
  --focus: #a24f12; --err: #b3261e; --ok: #3f6b2a;
  --display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --body: "Sarabun", 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(1.3rem, 1.15rem + 0.6vw, 1.75rem);
  --f2: clamp(2.2rem, 1.7rem + 2.3vw, 3.6rem); --f3: clamp(3rem, 2rem + 4.6vw, 5.8rem);
  --wrap: 1180px; --pad-y: clamp(3.2rem, 2.3rem + 4vw, 6rem); --r: 10px;
}

/* 02 Base */
body { background: var(--sand); color: var(--text); font-family: var(--body); font-size: var(--f0); line-height: 1.65; }
h1, h2 { margin: 0 0 0.35em; font-family: var(--display); font-weight: 800; color: var(--ink); line-height: 0.98; letter-spacing: 0.005em; text-transform: uppercase; text-wrap: balance; }
h1 { font-size: var(--f3); }
h2 { font-size: var(--f2); }
h3 { margin: 0 0 0.4em; font-size: 1.15rem; font-weight: 700; color: var(--ink); line-height: 1.3; }
p { margin: 0 0 1em; max-width: 64ch; }
p:last-child { margin-bottom: 0; }
a { color: var(--apricot-dark); text-underline-offset: 3px; font-weight: 600; }
a:hover { color: var(--night); }
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: block; margin-bottom: 0.7rem; font-family: var(--display); font-size: 1.15rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--apricot-dark); }

/* 03 Header & split pill */
.hd { position: relative; z-index: 30; background: var(--night); color: #e7e3f2; }
.hd::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 18px; background: var(--night); clip-path: polygon(0 0, 100% 0, 100% 30%, 88% 70%, 80% 40%, 70% 90%, 60% 50%, 48% 100%, 38% 45%, 26% 80%, 16% 35%, 8% 70%, 0 30%); }
.hd .wrap { position: relative; display: flex; align-items: center; gap: 1rem; min-height: 74px; }
.hc-logo { display: inline-flex; align-items: center; gap: 0.6rem; color: #fff; text-decoration: none; }
.hc-logo svg { width: 46px; height: 30px; flex: none; }
.hc-logo b { display: block; color: #fff; font-family: var(--display); font-size: 1.7rem; font-weight: 800; letter-spacing: 0.04em; line-height: 0.9; text-transform: uppercase; }
.hc-logo small { display: block; color: #bfbad6; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.hnav { display: none; }
.pill { display: inline-flex; flex: none; margin-left: auto; border-radius: 999px; overflow: hidden; box-shadow: 0 0 0 2px var(--apricot); }
.pill a { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.55rem 0.95rem; font-weight: 700; font-size: 0.95rem; text-decoration: none; white-space: nowrap; }
.pill svg { width: 15px; height: 15px; }
.pill .p-call { color: #fff; }
.pill .p-call:hover { background: var(--night-2); color: #fff; }
.pill .p-book { background: var(--apricot); color: var(--ink); }
.pill .p-book:hover { background: #f09150; color: var(--ink); }
.pill .p-num { display: none; }
.hd :focus-visible { outline-color: var(--apricot); }
.nav-toggle { flex: none; display: inline-grid; place-items: center; width: 44px; height: 44px; border: 2px solid #4a4f80; border-radius: var(--r); background: transparent; color: #fff; cursor: pointer; }
.nav-toggle svg { width: 22px; height: 22px; }
@media (max-width: 1039px) {
  .hnav { position: absolute; top: calc(100% + 18px); left: -1rem; right: -1rem; flex-direction: column; padding: 0.4rem 1.2rem 1.4rem; background: var(--night-2); }
  .hnav.is-open { display: flex; }
  .hnav a { padding: 0.8rem 0; border-bottom: 1px solid rgba(255,255,255,0.12); color: #fff; text-decoration: none; font-family: var(--display); font-size: 1.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
  .hnav a[aria-current="page"] { color: var(--apricot); }
}
@media (max-width: 479px) { .hd .wrap { gap: 0.6rem; } .hc-logo small, .pill .p-word { display: none; } .hc-logo svg { width: 36px; height: 24px; } .hc-logo b { font-size: 1.45rem; } .pill a { padding-inline: 0.8rem; } }
@media (min-width: 1040px) {
  .nav-toggle { display: none; }
  .hnav { display: flex; gap: 0.2rem; margin-left: auto; }
  .hnav a { position: relative; padding: 0.4rem 0.8rem; color: #e7e3f2; text-decoration: none; font-family: var(--display); font-size: 1.3rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
  .hnav a:hover { color: #fff; }
  .hnav a[aria-current="page"] { color: var(--apricot); }
  .hnav a[aria-current="page"]::before { content: ""; position: absolute; left: 50%; top: -0.6rem; width: 0; height: 0; margin-left: -7px; border: 7px solid transparent; border-top-color: var(--apricot); }
  .pill { margin-left: 1.2rem; }
  .pill .p-word { display: none; }
  .pill .p-num { display: inline; }
}

/* 04 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--apricot { background: var(--apricot); color: var(--ink); }
.btn--apricot:hover { background: #f09150; color: var(--ink); }
.btn--night { background: var(--night); color: #fff; }
.btn--night:hover { background: var(--night-2); color: #fff; }
.btn--ghost { border-color: #8d89b3; color: #fff; background: transparent; }
.btn--ghost:hover { background: #fff; color: var(--night); }
.btns { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.6rem; }

/* 05 Hero */
.hero { position: relative; background: linear-gradient(180deg, var(--night) 0%, var(--night-2) 60%, #5b3d5e 100%); color: #d9d5ea; overflow: hidden; }
.hero .wrap { position: relative; z-index: 1; display: grid; gap: 2.2rem; align-items: end; padding-block: clamp(3.6rem, 3rem + 3vw, 6rem) clamp(5rem, 4rem + 5vw, 8rem); }
@media (min-width: 920px) { .hero .wrap { grid-template-columns: 1.15fr 0.85fr; } }
.hero .wrap > * { min-width: 0; }
.hero h1 { color: #fff; }
.hero h1 span { color: var(--apricot); }
.hero p.lede { font-size: var(--f1); line-height: 1.4; color: #f1eef8; max-width: 34ch; }
.hero__sun { position: absolute; right: 12%; bottom: 60px; width: clamp(160px, 22vw, 300px); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, #f6a25e 0%, var(--apricot) 55%, rgba(232,118,44,0) 72%); opacity: 0.85; }
.hero__hills { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: clamp(70px, 10vw, 140px); }
.hero figure { position: relative; z-index: 1; }
.hero figure img, .hero figure .img-placeholder { border-radius: 120px 120px var(--r) var(--r); border: 4px solid rgba(255,255,255,0.14); }
.hero .img-placeholder { background: var(--night-2); color: #bfbad6; border-color: rgba(255,255,255,0.2); }
.hero .img-placeholder b { color: #fff; }

/* 06 Page heads */
.phead { position: relative; background: var(--night-2); color: #d9d5ea; padding-top: 18px; }
.phead .wrap { padding-block: clamp(2.4rem, 2rem + 2.4vw, 4rem) clamp(3.4rem, 3rem + 3vw, 5rem); }
.phead h1 { color: #fff; font-size: clamp(2.6rem, 1.9rem + 3.2vw, 4.6rem); max-width: 18ch; }
.phead p { font-size: 1.15rem; max-width: 54ch; color: #f1eef8; }
.phead .hero__hills { height: 50px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 1rem; padding: 0; list-style: none; font-size: 0.9rem; }
.crumbs a { color: var(--apricot); }
.crumbs li + li::before { content: "▲"; margin-right: 0.5rem; font-size: 0.6rem; color: var(--apricot); vertical-align: 2px; }
.phead :focus-visible, .hero :focus-visible { outline-color: var(--apricot); }

/* 07 Sections */
.sec { padding-block: var(--pad-y); }
.sec--white { background: var(--white); }
.sec--night { background: var(--night); color: #d9d5ea; }
.sec--night h2, .sec--night h3, .sec--night b { color: #fff; }
.sec--night .over { color: var(--apricot); }
.sec--night a:not(.btn) { color: var(--apricot); }
.sec--night :focus-visible { outline-color: var(--apricot); }
.conds { display: grid; gap: 1rem; margin: 2rem 0 0; padding: 0; list-style: none; }
@media (min-width: 800px) { .conds { grid-template-columns: repeat(3, 1fr); } }
.conds li { display: grid; grid-template-columns: auto 1fr; gap: 0.2rem 1rem; padding: 1.4rem; border-radius: var(--r); background: var(--white); border-top: 5px solid var(--apricot); margin: 0; }
.conds li:nth-child(2) { border-top-color: var(--night-2); }
.conds li:nth-child(3) { border-top-color: var(--sage); }
.conds svg { grid-row: span 2; width: 38px; height: 38px; color: var(--apricot-dark); }
.conds li:nth-child(2) svg { color: var(--night-2); }
.conds li:nth-child(3) svg { color: #56613f; }
.conds h3 { margin: 0; }
.conds p { margin: 0; font-size: var(--f-sm); }
.ledger { display: grid; gap: 2.4rem; }
@media (min-width: 900px) { .ledger { grid-template-columns: 1fr 1px 1fr; gap: 3rem; } .ledger::before { content: none; } }
.ledger__rule { display: none; }
@media (min-width: 900px) { .ledger__rule { display: block; background: var(--line); } }
.ledger ul { margin: 1rem 0 1.4rem; padding: 0; list-style: none; }
.ledger li { position: relative; padding: 0.5rem 0 0.5rem 1.6rem; border-bottom: 1px dashed var(--line); }
.ledger li::before { content: ""; position: absolute; left: 0; top: 0.95rem; width: 0; height: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 10px solid var(--apricot); }
.ledger figure { margin-bottom: 1.2rem; }
.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; }
.map { display: block; width: 100%; height: clamp(300px, 36vw, 440px); border: 0; border-radius: var(--r); background: var(--sand-2); filter: saturate(0.8); }
.chipline { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0 0; padding: 0; list-style: none; }
.chipline li { padding: 0.35rem 0.9rem; border-radius: 999px; background: var(--sand-2); font-weight: 600; font-size: 0.95rem; color: var(--ink); }

/* 08 Home diagram (signature) */
.mh { display: grid; gap: 1.6rem; align-items: start; }
@media (min-width: 960px) { .mh { grid-template-columns: 1.3fr 0.7fr; } }
.mh > * { min-width: 0; }
.mh svg { width: 100%; height: auto; background: var(--white); border-radius: var(--r); border: 1px solid var(--line); }
.mh .part { fill: #d9d2c4; stroke: var(--ink); stroke-width: 2; transition: fill 0.2s; }
.mh .part.is-on { fill: var(--apricot); }
.mh .duct { fill: none; stroke: #8b8fb3; stroke-width: 10; stroke-linecap: round; transition: stroke 0.2s; }
.mh .duct.is-on { stroke: var(--apricot); }
.parts { display: grid; gap: 0.4rem; margin: 0; padding: 0; list-style: none; }
.parts button { display: flex; align-items: center; gap: 0.7rem; width: 100%; padding: 0.7rem 0.9rem; border: 2px solid var(--line); border-radius: var(--r); background: var(--white); color: var(--ink); font: inherit; font-weight: 700; text-align: left; cursor: pointer; }
.parts button span { display: grid; place-items: center; flex: none; width: 1.7rem; height: 1.7rem; border-radius: 50%; background: var(--night); color: #fff; font-size: 0.85rem; }
.parts button[aria-pressed="true"] { border-color: var(--apricot); background: var(--apricot-soft); }
.parts button[aria-pressed="true"] span { background: var(--apricot); color: var(--ink); }
.partinfo { margin-top: 1rem; padding: 1.2rem 1.3rem; border-radius: var(--r); background: var(--night); color: #d9d5ea; }
.partinfo h3 { color: #fff; }
.partinfo p { margin: 0; font-size: var(--f-sm); }
.nojs-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.8rem; }
.nojs-list li { padding: 1rem 1.2rem; border-radius: var(--r); background: var(--white); border-left: 5px solid var(--apricot); }
.nojs-list p { margin: 0; font-size: var(--f-sm); }

/* 09 FAQ */
.faq { display: grid; gap: 0.6rem; max-width: 880px; }
.hq { border-radius: var(--r); background: var(--white); border: 1px solid var(--line); }
.hq summary { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 1.2rem; font-weight: 700; color: var(--ink); cursor: pointer; list-style: none; }
.hq summary::after { content: ""; flex: none; width: 0; height: 0; margin-top: 0.45rem; border-left: 7px solid transparent; border-right: 7px solid transparent; border-top: 10px solid var(--apricot); transition: transform 0.2s; }
.hq[open] summary::after { transform: rotate(180deg); }
.hq > div { padding: 0 1.2rem 1.1rem; font-size: var(--f-sm); }

/* 10 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(--apricot-dark); }
.opt { font-weight: 400; color: var(--muted); }
input[type="text"], input[type="tel"], input[type="email"], select, textarea { width: 100%; padding: 0.8rem 0.95rem; font: inherit; color: var(--ink); background: var(--white); border: 2px solid var(--line); 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='%23a24f12' 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(--apricot-dark); }
.form-status { margin: 0.8rem 0 0; }
.form-note { margin: 0.5rem 0 0; font-size: 0.86rem; color: var(--muted); }
.tall { padding: clamp(1.5rem, 1rem + 2vw, 2.6rem); border-radius: var(--r); background: var(--white); border-top: 6px solid var(--apricot); }
.callblock { padding: clamp(1.5rem, 1rem + 2vw, 2.4rem); border-radius: var(--r); background: var(--night); color: #d9d5ea; }
.callblock h2 { color: #fff; font-size: 2rem; }
.callblock .big { display: block; margin: 0.3rem 0 1rem; color: var(--apricot); font-family: var(--display); font-size: clamp(2.4rem, 1.8rem + 2.4vw, 3.4rem); font-weight: 800; text-decoration: none; letter-spacing: 0.02em; }
.callblock dl { margin: 0; }
.callblock dl div { display: flex; justify-content: space-between; gap: 1rem; padding: 0.55rem 0; border-top: 1px solid rgba(255,255,255,0.12); }
.callblock dt { color: #bfbad6; }
.callblock dd { margin: 0; color: #fff; font-weight: 600; text-align: right; }
.callblock a { color: var(--apricot); }
.callblock :focus-visible { outline-color: var(--apricot); }

/* 11 Footer */
.ft { position: relative; background: var(--night); color: #bfbad6; font-size: var(--f-sm); }
.ft .hero__hills { position: static; display: block; height: 50px; background: var(--sand); }
.ft .wrap { display: grid; gap: 2rem; padding-block: 2.6rem 1.6rem; }
@media (min-width: 820px) { .ft .wrap { grid-template-columns: 1.5fr 1fr 1fr; } }
.ft h2 { color: #fff; font-size: 1.6rem; }
.ft ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.35rem; }
.ft a { color: #fff; }
.ft :focus-visible { outline-color: var(--apricot); }
.ft__base { grid-column: 1 / -1; padding-top: 1.2rem; border-top: 1px solid #3a3e6a; font-size: 0.85rem; }
.ft__base p { margin: 0; max-width: none; }

/* 12 Images */
.img-placeholder { background: var(--sand-2); border: 1px dashed #c6b596; color: var(--muted); }
.img-placeholder b { color: var(--ink); }
figure img, figure .img-placeholder { border-radius: var(--r); }
figcaption { margin-top: 0.5rem; font-size: 0.86rem; color: var(--muted); }
.mt { margin-top: 2rem; }
.hero .over, .phead .over { color: #f4a66e; }