/* 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; } }

/* ==========================================================================
   Elevate Hue & HVAC Studio — elevatehvac.xyz
   Coastal, editorial, quiet. Transparent header over a full-screen photo.
   01 Tokens · 02 Base · 03 Header · 04 Hero · 05 Page heads · 06 Buttons
   07 Editorial rows · 08 Studio & statement · 09 Cottage plans (signature)
   10 FAQ · 11 Contact & form · 12 Footer · 13 Images
   ========================================================================== */

/* 01 Tokens */
:root {
  --sea: #10232b; --sea-2: #1b3540; --text: #3a4a50; --muted: #5d6c71; --line: #e2d9cb;
  --sand: #f6f1e9; --shell: #efe7da; --white: #ffffff;
  --glass: #3f8f86; --glass-ink: #2b6b64; --glass-dark: #1f524c; --glass-light: #9fd3cb; --glass-50: #e7f3f1;
  --focus: #2b6b64; --err: #a4161a; --ok: #1f6f3a;
  --serif: "DM Serif Display", Georgia, serif;
  --sans: "Questrial", "Helvetica Neue", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f0: clamp(1.02rem, 0.98rem + 0.2vw, 1.12rem); --f1: clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
  --f2: clamp(1.9rem, 1.5rem + 1.8vw, 3rem); --f3: clamp(2.6rem, 1.8rem + 4vw, 5.2rem);
  --wrap: 1240px; --pad-y: clamp(4rem, 2.8rem + 5vw, 8rem);
}

/* 02 Base */
body { background: var(--sand); color: var(--text); font-family: var(--sans); font-size: var(--f0); line-height: 1.75; letter-spacing: 0.005em; }
h1, h2, h3 { margin: 0 0 0.45em; font-family: var(--serif); font-weight: 400; color: var(--sea); line-height: 1.08; letter-spacing: -0.005em; text-wrap: balance; }
h1 { font-size: var(--f3); }
h2 { font-size: var(--f2); }
h3 { font-size: var(--f1); line-height: 1.2; }
p { margin: 0 0 1.1em; max-width: 60ch; }
p:last-child { margin-bottom: 0; }
a { color: var(--glass-ink); text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { color: var(--sea); }
strong, b { color: var(--sea); font-weight: 400; text-decoration: underline; text-decoration-color: var(--glass); text-underline-offset: 4px; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.over { display: block; margin-bottom: 1.1rem; font-size: 0.8rem; letter-spacing: 0.28em; text-transform: uppercase; color: var(--glass-ink); }
.over::after { content: ""; display: block; width: 36px; height: 1px; margin-top: 0.8rem; background: currentColor; }

/* 03 Header */
.top { position: absolute; top: 0; left: 0; right: 0; z-index: 90; color: var(--sea); background: var(--white); border-bottom: 1px solid var(--line); transition: background-color 0.25s, color 0.25s, box-shadow 0.25s; }
.page-index .top { background: transparent; border-color: transparent; color: #fff; }
.top.is-fixed { position: fixed; }
.top.is-solid { background: var(--white); color: var(--sea); border-bottom-color: var(--line); box-shadow: 0 10px 30px -24px rgba(16,35,43,0.6); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 84px; }
.mark { display: flex; flex-direction: column; color: inherit; text-decoration: none; line-height: 1; }
.mark b { font-family: var(--serif); font-size: 1.9rem; color: inherit; text-decoration: none; }
.mark span { margin-top: 0.3rem; font-size: 0.66rem; letter-spacing: 0.3em; text-transform: uppercase; opacity: 0.85; }
.links { display: none; }
.links a { padding: 0.5rem 0.95rem; color: inherit; text-decoration: none; font-size: 1rem; }
.links a:hover { color: var(--glass); }
.links a[aria-current="page"] { font-family: var(--serif); font-style: italic; font-size: 1.2rem; }
.top__right { display: flex; align-items: center; gap: 0.5rem; }
.top__tel { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid currentColor; border-radius: 50%; color: inherit; }
.top__tel svg { width: 18px; height: 18px; }
.top__tel span { display: none; }
.top .pill { display: inline-flex; align-items: center; min-height: 44px; padding: 0.5rem 1rem; border: 1px solid currentColor; border-radius: 999px; color: inherit; text-decoration: none; font-size: 0.92rem; white-space: nowrap; }
.top .pill:hover { background: var(--glass-ink); border-color: var(--glass-ink); color: #fff; }
.nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0; border: 0; background: none; color: inherit; cursor: pointer; }
.nav-toggle svg { width: 26px; height: 26px; }
.page-index .top:not(.is-solid) :focus-visible { outline-color: #fff; }
.top:has(.links.is-open) { background: var(--white); color: var(--sea); border-bottom-color: var(--line); }
@media (max-width: 1099px) {
  .links { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; padding: 1rem 1.25rem 1.6rem; background: var(--white); color: var(--sea); border-top: 1px solid var(--line); }
  .links.is-open { display: flex; }
  .links a { padding: 0.9rem 0; border-bottom: 1px solid var(--line); font-size: 1.1rem; }
}
@media (min-width: 1100px) {
  .links { display: flex; align-items: center; margin-left: auto; }
  .nav-toggle { display: none; }
  .top__tel { width: auto; height: auto; border: 0; border-radius: 0; gap: 0.4rem; margin: 0 0.6rem 0 1rem; text-decoration: none; }
  .top__tel span { display: inline; }
}
@media (max-width: 400px) { .mark b { font-size: 1.55rem; } .mark span { letter-spacing: 0.1em; font-size: 0.56rem; white-space: nowrap; } .top .pill { padding: 0.45rem 0.8rem; font-size: 0.86rem; } .top__right { gap: 0.3rem; } }

/* 04 Hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; color: #fff; background: var(--sea); isolation: isolate; }
.hero__img, .hero__img > * { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; border-radius: 0; }
.hero__img .img-placeholder { justify-content: flex-end; align-items: flex-end; padding: 1.4rem; background: #29444e; color: #b9c9cd; border: 0; }
.hero__img .img-placeholder b { color: #fff; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(16,35,43,0.82) 0%, rgba(16,35,43,0.45) 55%, rgba(16,35,43,0.1) 100%); }
.hero .wrap { padding-block: 8rem 5rem; }
.hero h1 { color: #fff; max-width: 14ch; }
.hero h1 em { color: var(--glass-light); }
.hero p { font-size: var(--f1); line-height: 1.55; max-width: 36ch; color: #e3ecee; }
.hero .over { color: var(--glass-light); }
.hero .acts { margin-top: 2.2rem; }
.hero__places { margin-top: 3rem; font-size: 0.82rem; letter-spacing: 0.22em; text-transform: uppercase; color: #c9d7da; }
.hero :focus-visible { outline-color: #fff; }

/* 05 Page heads */
.head { padding-block: calc(84px + clamp(3rem, 2rem + 4vw, 6rem)) clamp(2.5rem, 2rem + 2vw, 4rem); background: var(--shell); }
.head h1 { font-size: clamp(2.4rem, 1.8rem + 3vw, 4.4rem); max-width: 16ch; }
.head h1 em { color: var(--glass-ink); }
.head p { font-size: var(--f1); line-height: 1.55; max-width: 44ch; }
.path { margin: 0 0 1.4rem; padding: 0; list-style: none; display: flex; gap: 0.6rem; font-size: 0.85rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.path li + li::before { content: "—"; margin-right: 0.6rem; }

/* 06 Buttons */
.acts { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem; min-height: 52px; padding: 0.8rem 1.7rem; border: 1px solid transparent; border-radius: 999px; font-family: var(--sans); font-size: 1rem; letter-spacing: 0.04em; text-decoration: none; cursor: pointer; transition: background-color 0.2s, color 0.2s, border-color 0.2s; }
.btn svg { width: 1em; height: 1em; }
.btn--glass { background: var(--glass-ink); color: #fff; }
.btn--glass:hover { background: var(--glass-dark); color: #fff; }
.btn--white { border-color: rgba(255,255,255,0.8); color: #fff; }
.btn--white:hover { background: #fff; color: var(--sea); }
.btn--sea { border-color: var(--sea); color: var(--sea); }
.btn--sea:hover { background: var(--sea); color: #fff; }
.readmore { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--sea); text-decoration: none; letter-spacing: 0.06em; border-bottom: 1px solid var(--glass); padding-bottom: 0.2rem; }
.readmore svg { width: 1em; height: 1em; color: var(--glass-ink); }

/* 07 Editorial rows */
.sec { padding-block: var(--pad-y); }
.sec--white { background: var(--white); }
.sec--sea { background: var(--sea); color: #c9d7da; }
.sec--sea h2, .sec--sea h3 { color: #fff; }
.sec--sea .over { color: var(--glass-light); }
.sec--sea a { color: #fff; }
.sec--sea :focus-visible { outline-color: #fff; }
.row { display: grid; gap: clamp(2rem, 1.5rem + 3vw, 5rem); align-items: center; }
.row + .row { margin-top: var(--pad-y); }
@media (min-width: 900px) { .row { grid-template-columns: 7fr 5fr; } .row--flip { grid-template-columns: 5fr 7fr; } .row--flip > figure { order: 2; } }
.row > * { min-width: 0; }
.row figure { position: relative; isolation: isolate; }
.row figure::before { content: ""; position: absolute; inset: 2rem -1.2rem -1.2rem 2rem; z-index: -1; background: var(--shell); }
.row--flip figure::before { inset: 2rem 2rem -1.2rem -1.2rem; }
.row figure img, .row figure .img-placeholder { border-radius: 0; }
.row .num { display: block; margin-bottom: 0.4rem; font-family: var(--serif); font-size: 3.4rem; line-height: 1; color: var(--glass); }
.list-lines { margin: 1.2rem 0 1.6rem; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.list-lines li { padding: 0.75rem 0; border-bottom: 1px solid var(--line); }
.sec--sea .list-lines, .sec--sea .list-lines li { border-color: rgba(255,255,255,0.14); }

/* 08 Studio & statement */
.statement { max-width: 30ch; margin: 0 auto; font-family: var(--serif); font-size: clamp(1.7rem, 1.3rem + 2vw, 2.9rem); line-height: 1.25; color: var(--sea); text-align: center; }
.statement em { color: var(--glass-ink); }
.three { display: grid; gap: 2rem; margin-top: 3rem; }
@media (min-width: 860px) { .three { grid-template-columns: repeat(3, 1fr); gap: 0; } .three > div { padding: 0 2.2rem; } .three > div + div { border-left: 1px solid var(--line); } }
.sec--sea .three > div + div { border-color: rgba(255,255,255,0.16); }
.three h3 { font-size: 1.5rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; margin: 1.2rem 0 0; padding: 0; list-style: none; font-size: 0.9rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sea); }
.map-full { display: block; width: 100%; height: clamp(340px, 45vw, 520px); background: var(--shell); filter: saturate(0.8); }
.map-note { padding: 1rem 0 0; font-size: 0.9rem; color: var(--muted); }

/* 09 Cottage plans (signature) */
.plans { display: grid; gap: 2rem; }
@media (min-width: 860px) { .plans { grid-template-columns: 1fr 1fr; } }
.plans figure { padding: clamp(1.2rem, 1rem + 1vw, 2rem); background: var(--white); border: 1px solid var(--line); }
.plans svg { width: 100%; height: auto; }
.plans figcaption { margin-top: 1rem; font-size: 0.95rem; color: var(--text); }
.plans figcaption b { display: block; font-family: var(--serif); font-size: 1.4rem; text-decoration: none; margin-bottom: 0.3rem; }
.key { display: flex; flex-wrap: wrap; gap: 0.6rem 1.6rem; margin: 1.6rem 0 0; padding: 0; list-style: none; font-size: 0.92rem; }
.key li { display: flex; align-items: center; gap: 0.5rem; }
.key i { width: 18px; height: 18px; border: 1px solid rgba(16,35,43,0.2); }
.compare { width: 100%; border-collapse: collapse; background: var(--white); }
.compare th, .compare td { padding: 1.1rem 1.2rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare thead th { font-family: var(--serif); font-weight: 400; font-size: 1.3rem; color: var(--sea); border-bottom: 2px solid var(--sea); }
.compare tbody th { font-size: 0.85rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); font-weight: 400; width: 18%; }
.scroll-x { overflow-x: auto; }
.caution { padding: 1.6rem 1.8rem; border-left: 3px solid var(--glass); background: var(--white); }
.caution h2, .caution h3 { font-size: 1.6rem; }

/* 10 FAQ */
.faq-wrap { display: grid; gap: 2rem; }
@media (min-width: 900px) { .faq-wrap { grid-template-columns: 4fr 8fr; gap: 4rem; } .faq-wrap > div:first-child { position: sticky; top: 110px; align-self: start; } }
.qa { border-bottom: 1px solid var(--line); }
.qa:first-child { border-top: 1px solid var(--line); }
.qa summary { position: relative; padding: 1.3rem 2.6rem 1.3rem 0; font-family: var(--serif); font-size: 1.35rem; color: var(--sea); list-style: none; line-height: 1.3; }
.qa summary::before, .qa summary::after { content: ""; position: absolute; right: 0.4rem; top: 50%; width: 16px; height: 1px; background: var(--glass-ink); transition: transform 0.25s; }
.qa summary::after { transform: rotate(90deg); }
.qa[open] summary::after { transform: rotate(0deg); }
.qa > div { padding: 0 0 1.4rem; }

/* 11 Contact & form */
.contact-grid { display: grid; gap: clamp(2rem, 1.5rem + 3vw, 5rem); }
@media (min-width: 960px) { .contact-grid { grid-template-columns: 5fr 7fr; } }
.contact-grid > * { min-width: 0; }
.big-tel { display: inline-block; margin: 0.4rem 0 1rem; font-family: var(--serif); font-size: clamp(2.2rem, 1.8rem + 2vw, 3.4rem); color: var(--sea); text-decoration: none; line-height: 1.1; }
.detail { margin: 0; padding: 1.1rem 0; border-top: 1px solid var(--line); }
.detail dt { font-size: 0.78rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--muted); }
.detail dd { margin: 0.3rem 0 0; }
.form { display: grid; gap: 1.3rem 1.6rem; margin-top: 1.4rem; }
@media (min-width: 640px) { .form--2col { grid-template-columns: 1fr 1fr; } }
.field--full, .form__end { grid-column: 1 / -1; }
.field label { font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--sea); }
.req { color: var(--glass-ink); }
.opt { text-transform: none; letter-spacing: 0; color: var(--muted); }
input[type="text"], input[type="tel"], input[type="email"], select, textarea { width: 100%; padding: 0.7rem 0.1rem; font: inherit; color: var(--sea); background: transparent; border: 0; border-bottom: 1px solid #b9ad99; border-radius: 0; }
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='%232b6b64' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.2rem center; background-size: 16px; padding-right: 2rem; }
textarea { min-height: 120px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-bottom-color: var(--glass-ink); border-bottom-width: 2px; }
.form-status { margin: 0.9rem 0 0; }
.form-note { margin: 0.5rem 0 0; font-size: 0.88rem; color: var(--muted); }

/* 12 Footer */
.foot { background: var(--sea); color: #9fb3b8; font-size: 0.95rem; }
.foot .wrap { display: grid; gap: 1.6rem; padding-block: 3.4rem 2rem; }
@media (min-width: 900px) { .foot .wrap { grid-template-columns: auto 1fr auto; align-items: center; } }
.foot .mark { color: #fff; }
.foot nav { display: flex; flex-wrap: wrap; gap: 0.4rem 1.6rem; justify-content: center; }
.foot a { color: #e3ecee; text-decoration: none; }
.foot a:hover { color: #fff; text-decoration: underline; }
.foot :focus-visible { outline-color: #fff; }
.foot__contact { text-align: left; }
@media (min-width: 900px) { .foot__contact { text-align: right; } }
.foot__base { grid-column: 1 / -1; padding-top: 1.4rem; border-top: 1px solid rgba(255,255,255,0.12); font-size: 0.82rem; letter-spacing: 0.06em; }
.foot__base p { margin: 0; max-width: none; }

/* 13 Images */
.img-placeholder { background: var(--shell); border: 1px dashed #b9ad99; color: var(--muted); }
.img-placeholder b { color: var(--sea); }
figcaption { margin-top: 0.7rem; font-size: 0.9rem; color: var(--muted); }
.mt { margin-top: 2.2rem; }
.sec--tight { padding-bottom: 2rem; }
.k1 { background: #e8a87c; } .k2 { background: #f2c9a5; } .k3 { background: #cfe0e5; } .k4 { background: #bcd5dd; } .k5 { background: #cfe8e4; }