/* ==========================================================================
   Oviedo HVAC — hvacoviedo.com
   "Florida Climate Living" — Stitch design system applied to the real site.
   primary #1F7A8C · sunwash #F2C14E · cream canvas #FCFAF6 · Plus Jakarta Sans
   Modern editorial warmth + tactile wellness minimalism: ample air, soft
   ambient shadows tinted teal-slate, pill-shaped actions, rounded-xl cards.
   ========================================================================== */

:root{
  --sky:#1F7A8C;          /* primary-container — fills, icons, active state */
  --sky-hover:#176270;    /* filled-button / nav-cta hover, per DESIGN.md */
  --sky-deep:#006070;     /* primary — link text, headings accent, active nav text */
  --sky-ink:#123640;      /* inverse-surface — topbar, footer, dark section bg */
  --sky-wash:#E8F4F5;     /* mint-subtle — badge/pill fill, nav hover, light section bg */
  --cool-tint:#D5ECF0;    /* cooling-tint — secondary light fill for icon medallions */
  --sun:#F2C14E;          /* secondary/accent — sunwash gold */
  --sun-hover:#E5B33C;    /* accent-button hover, per DESIGN.md */
  --sun-deep:#B88813;     /* accent text-on-light (rebate badges, labels) */
  --sun-wash:#FEF8E7;     /* rebate/energy badge background */
  --paper:#FCFAF6;        /* cream canvas — page background */
  --card:#FFFFFF;         /* surface-container-lowest — cards, panels */
  --ink:#162529;          /* neutral deep — headings, primary text */
  --body:#5A6D73;         /* neutral muted — body copy, captions */
  --muted:#84969C;        /* quieter still — source lines, fine print */
  --line:#E6EDEC;         /* surface-border — hairline borders */
  --line-soft:#EEF6F7;    /* lighter hairline for nested dividers */
  --shadow:0 4px 20px -2px rgba(22,37,41,.04), 0 2px 6px -1px rgba(22,37,41,.02);
  --shadow-hover:0 12px 32px -4px rgba(31,122,140,.08), 0 4px 12px -2px rgba(22,37,41,.03);
  --shadow-lift:0 20px 40px -6px rgba(22,37,41,.12), 0 8px 16px -4px rgba(22,37,41,.04);
  --r:24px;               /* card & feature radius — rounded-xl */
  --r-sm:12px;             /* utility radius — rounded-md */
  --r-lg:16px;             /* container radius — rounded-lg (alerts, dropdown-like) */
  --r-input:8px;           /* base radius — inputs, small badges, checkboxes */
  --r-pill:999px;
  --wrap:1140px;
  --sans:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --display:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%}
img{height:auto}
a{color:var(--sky-deep);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--sky)}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,1.35rem + 3.1vw,3.5rem);letter-spacing:-.03em}
h2{font-size:clamp(1.6rem,1.2rem + 1.6vw,2.35rem)}
h3{font-size:1.2rem;font-weight:700;letter-spacing:-.015em}
h4{font-size:1rem;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.05em;padding-left:1.25em}
li{margin:0 0 .45em}
strong{color:var(--ink);font-weight:700}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.narrow{max-width:760px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:10px 16px;border-radius:10px;box-shadow:var(--shadow-lift)}
:focus-visible{outline:3px solid var(--sun-hover);outline-offset:2px;border-radius:4px}

/* ---------- handover markers ------------------------------------------- */
.need{
  display:inline;
  background:var(--sun-wash);
  border-bottom:2px solid var(--sun);
  color:#6B4E0B;
  font-size:.88em;
  font-weight:700;
  padding:1px 6px;
  border-radius:5px;
  font-family:var(--sans);
}
.need-block{
  display:block;
  background:var(--sun-wash);
  border:1px solid var(--sun);
  border-radius:var(--r-lg);
  padding:12px 16px;
  margin:0 0 1.05em;
  color:#6B4E0B;
  font-size:.94rem;
  font-weight:600;
}

/* ---------- header ------------------------------------------------------ */
.topbar{background:var(--sky-ink);color:#CFE7EA;font-size:.85rem}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:6px 20px;align-items:center;padding-top:8px;padding-bottom:8px}
.topbar a{color:#fff;font-weight:700;text-decoration:none}
.topbar .need{background:rgba(242,193,78,.16);color:#F7D896;border-bottom-color:var(--sun)}

.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(252,250,246,.94);
  backdrop-filter:saturate(1.4) blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex:0 0 auto}
.brand-logo{display:block;height:42px;width:auto;flex:0 0 auto}
.brand-name{font-family:var(--display);font-weight:800;font-size:1.18rem;color:var(--ink);letter-spacing:-.025em;line-height:1.05}
.brand-sub{display:block;font-family:var(--sans);font-weight:600;font-size:.7rem;letter-spacing:.09em;text-transform:uppercase;color:var(--sky)}
.nav{display:flex;flex-wrap:wrap;gap:2px 4px;margin-left:auto;align-items:center}
.nav a{
  font-size:.93rem;font-weight:700;color:var(--body);text-decoration:none;
  padding:7px 11px;border-radius:var(--r-pill);white-space:nowrap;
  transition:background .12s ease, color .12s ease;
}
.nav a:hover{background:var(--sky-wash);color:var(--sky-deep)}
.nav a[aria-current="page"]{background:var(--sky-wash);color:var(--sky-deep)}
.nav .nav-cta{background:var(--sky);color:#fff;padding:9px 16px}
.nav .nav-cta:hover{background:var(--sky-hover);color:#fff}

/* ---------- buttons ----------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--display);font-weight:800;font-size:1rem;
  padding:14px 24px;border-radius:var(--r-pill);
  text-decoration:none;border:2px solid transparent;cursor:pointer;
  transition:transform .12s ease, background .12s ease, border-color .12s ease, box-shadow .12s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--sky);color:#fff;box-shadow:0 4px 20px -2px rgba(31,122,140,.25)}
.btn-primary:hover{background:var(--sky-hover);color:#fff;box-shadow:0 8px 24px -2px rgba(31,122,140,.35)}
.btn-sun{background:var(--sun);color:#3C2C05}
.btn-sun:hover{background:var(--sun-hover);color:#3C2C05}
.btn-ghost{background:transparent;color:var(--sky-deep);border-color:var(--line)}
.btn-ghost:hover{background:var(--sky-wash);border-color:var(--sky)}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin:1.4em 0 0}

/* ---------- sections ---------------------------------------------------- */
.sec{padding:64px 0}
.sec-tight{padding:44px 0}
.sec-sky{background:var(--sky-wash)}
.sec-ink{background:var(--sky-ink);color:#C9DEE3}
.sec-ink h2,.sec-ink h3{color:#fff}
.sec-ink a{color:#9EDCE9}
.sec-paper{background:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--sans);font-weight:800;font-size:.76rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--sky-deep);
  background:var(--sky-wash);
  margin:0 0 14px;padding:6px 14px 6px 12px;border-radius:var(--r-pill);
}
.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--sky);flex:0 0 auto;
}
.sec-ink .eyebrow{background:rgba(255,255,255,.08);color:var(--sun)}
.sec-ink .eyebrow::before{background:var(--sun)}
.hero .eyebrow::before{animation:pulse-dot 2.2s ease-in-out infinite}
.lede{font-size:1.125rem;line-height:1.6;color:var(--body)}
.sec-head{max-width:720px;margin-bottom:36px}

@keyframes pulse-dot{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.45;transform:scale(.78)}
}

/* ---------- hero -------------------------------------------------------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(178deg,#FFFDF8 0%,var(--sky-wash) 100%);border-bottom:1px solid var(--line)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;padding-top:66px;padding-bottom:66px}
.hero h1{margin-bottom:.35em}
.hero-lede{font-size:1.125rem;line-height:1.6;max-width:36em}
.hero-art{position:relative}
.hero-art svg{display:block;width:100%;height:auto;filter:drop-shadow(0 24px 44px rgba(22,37,41,.16))}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 0;padding:0;list-style:none}
.hero-chips li{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 14px;font-size:.86rem;font-weight:700;color:var(--sky-deep);
  box-shadow:var(--shadow);
}

/* ---------- grids / cards ----------------------------------------------- */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;box-shadow:var(--shadow);
  transition:box-shadow .18s ease, transform .18s ease;
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.card h3{margin-bottom:.4em}
.card p:last-child{margin-bottom:0}
.card-icon{
  width:44px;height:44px;border-radius:var(--r-lg);background:var(--sun-wash);
  display:flex;align-items:center;justify-content:center;color:var(--sky-deep);margin:0 0 16px;
}
.card-icon svg{width:23px;height:23px}
.card-link{display:inline-flex;align-items:center;gap:6px;font-weight:800;text-decoration:none;margin-top:6px}
.card-link::after{content:"\2192"}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:0}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.stat b{display:block;font-family:var(--display);font-weight:800;font-size:2.05rem;letter-spacing:-.03em;color:var(--sky-deep);line-height:1.05}
.stat span{display:block;font-size:.9rem;margin-top:6px}
.sec-ink .stat{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);box-shadow:none}
.sec-ink .stat b{color:var(--sun)}

/* ---------- two-column utility explainer -------------------------------- */
.split{display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:stretch;margin:0 0 12px}
.split-col{background:#fff;border:1px solid var(--line);padding:30px}
.split-col:first-child{border-radius:var(--r) 0 0 var(--r);border-right:0}
.split-col:last-child{border-radius:0 var(--r) var(--r) 0;border-left:0}
.split-col h3{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.split-side{font-size:.72rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:var(--sun-deep)}
.split-river{
  width:78px;position:relative;background:
    linear-gradient(180deg,transparent,var(--sky-wash) 12%,var(--sky-wash) 88%,transparent);
  display:flex;align-items:center;justify-content:center;
}
.split-river::before{
  content:"";position:absolute;top:0;bottom:0;left:50%;width:3px;margin-left:-1.5px;
  background:repeating-linear-gradient(180deg,var(--sky) 0 10px,transparent 10px 18px);
}
.split-river span{
  position:relative;background:var(--sky-ink);color:#fff;font-size:.66rem;font-weight:800;
  letter-spacing:.1em;text-transform:uppercase;padding:12px 6px;border-radius:var(--r-pill);
  writing-mode:vertical-rl;text-align:center;
}
.split dl{margin:0}
.split dt{font-family:var(--display);font-weight:800;color:var(--ink);font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;margin:18px 0 4px}
.split dd{margin:0;font-size:.98rem}

/* ---------- estimator --------------------------------------------------- */
.est{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-lift)}
.est-head{background:var(--sky);color:#fff;padding:22px 28px}
.est-head h3{color:#fff;margin:0 0 4px;font-size:1.32rem}
.est-head p{margin:0;color:#CBE6EB;font-size:.96rem}
.est-body{padding:8px 0 0}
.est-step{display:grid;grid-template-columns:44px 1fr;gap:18px;padding:24px 28px;border-bottom:1px solid var(--line-soft)}
.est-step:last-child{border-bottom:0}
.est-num{
  width:36px;height:36px;border-radius:50%;background:var(--sun);color:#3C2C05;
  font-family:var(--display);font-weight:800;display:flex;align-items:center;justify-content:center;
}
.est-step h4{margin:6px 0 .4em}
.est-step p:last-child,.est-step ul:last-child{margin-bottom:0}
.band{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0 0;padding:0;list-style:none}
.band li{
  margin:0;background:var(--sky-wash);border:1px solid var(--line);border-radius:var(--r-lg);padding:14px;
}
.band b{display:block;font-family:var(--display);font-weight:800;font-size:1.05rem;color:var(--sky-ink);letter-spacing:-.01em}
.band em{display:block;font-style:normal;font-size:1.5rem;font-weight:800;font-family:var(--display);color:var(--sky-deep);margin:4px 0 2px}
.band span{display:block;font-size:.85rem;line-height:1.45}

/* ---------- tables ------------------------------------------------------ */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:640px}
caption{text-align:left;padding:18px 22px 4px;font-family:var(--display);font-weight:800;color:var(--ink);font-size:1.05rem}
thead th{
  text-align:left;font-family:var(--sans);font-weight:800;font-size:.74rem;letter-spacing:.09em;
  text-transform:uppercase;color:var(--sky-deep);padding:14px 18px;border-bottom:2px solid var(--sky-wash);
  background:#FBFDFD;white-space:nowrap;
}
tbody td,tbody th{padding:13px 18px;border-bottom:1px solid var(--line-soft);vertical-align:top;text-align:left}
tbody th{font-weight:700;color:var(--ink);font-family:var(--sans)}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
tbody tr:hover{background:#FBFDFD}
.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.old td,.old th{background:var(--sun-wash)}
.old:hover td,.old:hover th{background:#FCF0C8}

/* ---------- faq --------------------------------------------------------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 44px 20px 0;position:relative;
  font-family:var(--display);font-weight:800;color:var(--ink);font-size:1.08rem;line-height:1.35;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:8px;top:16px;font-size:1.5rem;font-weight:700;
  color:var(--sky);line-height:1;
}
.faq details[open] summary::after{content:"\2212"}
.faq summary:hover{color:var(--sky-deep)}
.faq .ans{padding:0 44px 22px 0}
.faq .ans p:last-child,.faq .ans ul:last-child{margin-bottom:0}

/* ---------- callouts ---------------------------------------------------- */
.note{
  background:#fff;border:1px solid var(--line);border-left:5px solid var(--sky);
  border-radius:var(--r-lg);padding:18px 22px;margin:0 0 1.4em;
  box-shadow:var(--shadow);
}
.note.sun{border-left-color:var(--sun)}
.note h4{margin:0 0 .35em}
.note p:last-child,.note ul:last-child{margin-bottom:0}
.src{font-size:.85rem;color:var(--muted);line-height:1.5}
.src a{color:var(--muted)}
.checks{list-style:none;padding:0;margin:0 0 1.05em}
.checks li{position:relative;padding-left:30px;margin-bottom:.6em}
.checks li::before{
  content:"";position:absolute;left:0;top:.42em;width:17px;height:17px;border-radius:50%;
  background:var(--sun-wash);
  box-shadow:inset 0 0 0 2px var(--sun);
}

/* ---------- form -------------------------------------------------------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow-lift)}
.field{margin:0 0 15px}
.field label{display:block;font-weight:700;color:var(--ink);font-size:.9rem;margin:0 0 6px}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:1rem;color:var(--ink);background:var(--paper);
  border:1.5px solid var(--line);border-radius:var(--r-input);padding:12px 14px;
  transition:border-color .12s ease, box-shadow .12s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--sky);outline:none;box-shadow:0 0 0 3px rgba(31,122,140,.15)}
.field textarea{min-height:110px;resize:vertical}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:0 15px}

/* ---------- footer ------------------------------------------------------ */
.site-footer{background:var(--sky-ink);color:#A8C9CF;padding:52px 0 26px;font-size:.94rem}
.site-footer h4{color:#fff;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;margin:0 0 14px;font-family:var(--sans);font-weight:800}
.site-footer a{color:#DCEEF0;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin:0 0 8px}
.footer-logo{
  height:38px;width:auto;margin:0 0 12px;background:#fff;
  padding:6px 12px;border-radius:8px;display:block;
}
.foot-legal{border-top:1px solid rgba(255,255,255,.14);margin-top:34px;padding-top:20px;font-size:.85rem;color:#8FB0B7}
.foot-legal p{margin:0 0 .5em}
.site-footer .need{background:rgba(242,193,78,.16);color:#F7D896}

/* ---------- responsive -------------------------------------------------- */
@media (max-width:1000px){
  .hero .wrap{grid-template-columns:1fr;gap:34px}
  .hero-art{max-width:460px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:860px){
  .g3{grid-template-columns:1fr}
  .g2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .split-col:first-child{border-radius:var(--r) var(--r) 0 0;border-right:1px solid var(--line);border-bottom:0}
  .split-col:last-child{border-radius:0 0 var(--r) var(--r);border-left:1px solid var(--line);border-top:0}
  .split-river{width:auto;height:54px;background:var(--sky-wash);border-left:1px solid var(--line);border-right:1px solid var(--line)}
  .split-river::before{top:50%;bottom:auto;left:0;right:0;width:auto;height:3px;margin:-1.5px 0 0;
    background:repeating-linear-gradient(90deg,var(--sky) 0 10px,transparent 10px 18px)}
  .split-river span{writing-mode:horizontal-tb;padding:6px 16px}
  .band{grid-template-columns:repeat(2,1fr)}
  .f2{grid-template-columns:1fr}
  .est-step{grid-template-columns:1fr;gap:10px;padding:22px}
  .est-head{padding:20px}
}
@media (max-width:620px){
  body{font-size:16px}
  .sec{padding:46px 0}
  .stat-row{grid-template-columns:1fr}
  .g4{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .nav{width:100%;margin-left:0;overflow-x:auto;padding-bottom:2px}
  .card{padding:22px}
}
@media print{
  .site-header,.topbar,.site-footer,.btn-row,.nav{display:none}
  body{background:#fff;font-size:12pt}
  .tw{overflow:visible;box-shadow:none}
  table{min-width:0}
  .faq details{border-bottom:1px solid #ccc}
  .faq .ans{display:block}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .btn:hover{transform:none}
  .card:hover{transform:none}
}