/* Fort Mill HVAC Pros — clean & trustworthy theme
   Single stylesheet, no framework, fast loading. */

:root {
    --blue: #0a5dc2;
    --blue-dark: #064a9c;
    --navy: #0b2545;
    --accent: #ff7a00;     /* warm CTA / phone accent */
    --accent-dark: #e56e00;
    --ink: #1b2430;
    --muted: #5a6675;
    --line: #e4e9f0;
    --bg-soft: #f5f8fc;
    --white: #ffffff;
    --radius: 10px;
    --shadow: 0 6px 24px rgba(11, 37, 69, 0.10);
    --maxw: 1140px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--ink);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; color: var(--navy); margin: 0 0 .5em; }
h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    padding: 14px 26px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: background .15s ease, transform .15s ease;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; transform: translateY(-1px); }
.btn--lg { padding: 18px 34px; font-size: 1.15rem; }
.btn--white { background: #fff; color: var(--blue-dark); }
.btn--white:hover { background: #f0f4fa; }
.btn--blue { background: var(--blue); }
.btn--blue:hover { background: var(--blue-dark); }

/* ---- Top bar ---- */
.topbar { background: var(--navy); color: #cfe0f5; font-size: .92rem; }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; padding: 8px 20px; }
.topbar__phone { color: #fff; font-weight: 700; }
.topbar__phone:hover { color: #fff; text-decoration: underline; }

/* ---- Header / nav ---- */
.site-header { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.site-header__inner { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; }
.brand { display: flex; flex-direction: column; line-height: 1.1; }
.brand:hover { text-decoration: none; }
.brand__name { font-weight: 800; font-size: 1.35rem; color: var(--navy); }
.brand__sub { font-size: .78rem; color: var(--muted); letter-spacing: .02em; }
.nav__list { list-style: none; display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; }
.nav__list a { color: var(--ink); font-weight: 600; }
.nav__cta a {
    background: var(--blue); color: #fff; padding: 10px 18px; border-radius: var(--radius);
}
.nav__cta a:hover { background: var(--blue-dark); text-decoration: none; }
.nav__toggle, .nav__toggle-cb { display: none; }

/* ---- Hero ---- */
.hero {
    background: linear-gradient(120deg, var(--navy) 0%, var(--blue-dark) 60%, var(--blue) 100%);
    color: #fff; padding: 64px 0;
}
.hero h1 { color: #fff; }
.hero__inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; }
.hero p.lead { font-size: 1.2rem; color: #dce8f7; max-width: 36ch; }
.hero__points { list-style: none; padding: 0; margin: 18px 0 26px; }
.hero__points li { padding-left: 28px; position: relative; margin-bottom: 8px; color: #eaf2fb; }
.hero__points li::before { content: "\2713"; position: absolute; left: 0; color: #6fe07a; font-weight: 800; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__card {
    background: #fff; color: var(--ink); border-radius: 14px; padding: 26px; box-shadow: var(--shadow);
}
.hero__card h3 { color: var(--navy); }
.hero__rating { color: var(--accent); font-size: 1.2rem; font-weight: 700; }

/* ---- Trust strip ---- */
.trust { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.trust__inner { display: flex; flex-wrap: wrap; justify-content: center; gap: 30px 50px; padding: 22px 20px; text-align: center; }
.trust__item { font-weight: 700; color: var(--navy); }
.trust__item span { display: block; font-weight: 400; color: var(--muted); font-size: .85rem; }

/* ---- Sections ---- */
.section { padding: 60px 0; }
.section--soft { background: var(--bg-soft); }
.section__head { text-align: center; max-width: 60ch; margin: 0 auto 40px; }
.section__head p { color: var(--muted); font-size: 1.08rem; }

/* ---- Service cards ---- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 26px; transition: box-shadow .15s ease, transform .15s ease;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card__icon { font-size: 2rem; }
.card h3 { margin-top: 12px; }
.card p { color: var(--muted); }
.card a.card__link { font-weight: 700; }

/* ---- Two-column content ---- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.prose h2 { margin-top: 0; }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 8px; }

/* ---- Steps ---- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.step__num {
    display: inline-flex; width: 38px; height: 38px; border-radius: 50%;
    background: var(--blue); color: #fff; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 12px;
}

/* ---- Reviews ---- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.review__stars { color: var(--accent); font-weight: 700; }
.review__name { font-weight: 700; color: var(--navy); margin-top: 10px; }

/* ---- FAQ ---- */
.faq { max-width: 800px; margin: 0 auto; }
.faq details {
    border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; background: #fff; padding: 0 20px;
}
.faq summary { cursor: pointer; font-weight: 700; color: var(--navy); padding: 16px 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--blue); font-weight: 800; }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { color: var(--muted); padding-bottom: 16px; margin: 0; }

/* ---- CTA band ---- */
.cta-band { background: var(--blue); color: #fff; padding: 44px 0; }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 4px; }
.cta-band p { color: #dbe9fa; margin: 0; }

/* ---- Forms ---- */
.form-wrap { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--navy); }
.form-row input, .form-row select, .form-row textarea {
    width: 100%; padding: 12px 14px; border: 1px solid #cdd6e2; border-radius: 8px; font-size: 1rem; font-family: var(--font);
}
.form-row textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: .85rem; color: var(--muted); }
.alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 20px; }
.alert--error { background: #fdecec; color: #a12121; border: 1px solid #f5c2c2; }
.alert--ok { background: #e9f8ec; color: #1d7a32; border: 1px solid #b7e6c2; }
.field-error { color: #a12121; font-size: .85rem; margin-top: 4px; }

/* ---- Footer ---- */
.site-footer { background: var(--navy); color: #c4d3e8; padding: 50px 0 0; }
.site-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; }
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #c4d3e8; }
.site-footer a:hover { color: #fff; }
.brand--footer .brand__name { color: #fff; }
.site-footer__blurb { color: #9fb3cd; font-size: .92rem; max-width: 38ch; }
.site-footer__phone { color: #fff; font-weight: 700; font-size: 1.15rem; }
.site-footer__bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 36px; padding: 18px 0; font-size: .85rem; color: #9fb3cd; }

/* ---- Breadcrumb ---- */
.breadcrumb { background: var(--bg-soft); padding: 12px 0; font-size: .88rem; color: var(--muted); border-bottom: 1px solid var(--line); }
.breadcrumb a { color: var(--blue); }

/* ---- Page hero (interior pages) ---- */
.page-hero { background: linear-gradient(120deg, var(--navy), var(--blue-dark)); color: #fff; padding: 48px 0; }
.page-hero h1 { color: #fff; margin-bottom: 8px; }
.page-hero p { color: #dce8f7; max-width: 60ch; margin: 0; }

/* ---- Responsive ---- */
@media (max-width: 860px) {
    .hero__inner, .split { grid-template-columns: 1fr; }
    .cards, .steps, .reviews { grid-template-columns: 1fr; }
    .site-footer__grid { grid-template-columns: 1fr 1fr; }
    .nav__list {
        position: absolute; top: 100%; right: 0; left: 0;
        background: #fff; flex-direction: column; align-items: flex-start;
        gap: 0; padding: 10px 20px; border-bottom: 1px solid var(--line);
        max-height: 0; overflow: hidden; transition: max-height .25s ease;
    }
    .nav__list li { width: 100%; padding: 8px 0; border-bottom: 1px solid var(--line); }
    .nav__toggle { display: block; font-size: 1.6rem; cursor: pointer; color: var(--navy); }
    .nav__toggle-cb:checked ~ .nav__list { max-height: 460px; }
    .nav { position: relative; }
}
@media (max-width: 560px) {
    .site-footer__grid { grid-template-columns: 1fr; }
    .topbar__hours { display: none; }
}

/* ---- Service-area pages: map + neighborhood + sibling links ---- */
.area-map{position:relative;width:100%;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--bg-soft);}
.area-map iframe{display:block;width:100%;height:380px;border:0;}
.area-map__note{font-size:.82rem;color:var(--muted);margin:10px 2px 0;}
.area-hoods{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:18px 0 0;}
.area-hoods li{background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-weight:700;color:var(--navy);}
.area-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-top:8px;}
.area-link{display:block;padding:16px 18px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);font-weight:700;color:var(--blue);text-decoration:none;transition:transform .15s,box-shadow .15s;}
.area-link:hover{transform:translateY(-2px);box-shadow:var(--shadow);}
.area-link span{display:block;font-weight:500;color:var(--muted);font-size:.85rem;margin-top:2px;}
@media(max-width:600px){.area-map iframe{height:300px;}}

/* ===== Blog ===== */
.blog-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.post-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .2s ease, transform .2s ease; }
.post-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.post-card__link { display: block; padding: 26px; height: 100%; }
.post-card__link:hover { text-decoration: none; }
.post-card__cat { display: inline-block; text-transform: uppercase; letter-spacing: .05em; font-size: .72rem; font-weight: 700; padding: 4px 10px; border-radius: 4px; background: var(--blue); color: #fff; }
.post-card__title { font-size: 1.25rem; margin: .55em 0 .4em; }
.post-card__excerpt { color: var(--muted); margin: 0 0 1rem; }
.post-card__date { font-size: .82rem; color: var(--muted); }
.post-body { max-width: 760px; margin: 0 auto; }
.post-hero__cat { display: inline-block; text-transform: uppercase; letter-spacing: .05em; font-weight: 700; font-size: .8rem; color: var(--accent); margin-bottom: 10px; }
.post-body .prose h2 { margin-top: 1.6em; }
.post-body .prose h3 { margin-top: 1.2em; color: var(--navy); }
.post-cta { margin-top: 44px; padding: 34px 28px; border-radius: var(--radius); background: var(--bg-soft); text-align: center; }
.post-cta h2 { margin-top: 0; }
.post-cta .btn { margin: 6px; }