/* Shared styles for Vegas Air Filter Co. service-area pages.
   Mirrors the design tokens used on the home page (Fraunces + Figtree,
   fresh green/blue/white, light and dark themes). */

:root{
  --bg:#F4F8F6;--surface:#FFFFFF;--surface-2:#EEF4F1;
  --ink:#10322E;--ink-soft:#33534E;--muted:#5F7A75;
  --line:rgba(16,50,46,.12);--line-strong:rgba(16,50,46,.22);
  --accent:#12876C;--accent-ink:#0C5C49;--accent-wash:#DFF0EA;
  --blue:#2E7FC4;--blue-wash:#E1EEF9;
  --shadow:0 1px 2px rgba(16,50,46,.06), 0 10px 30px -12px rgba(16,50,46,.18);
  --shadow-lg:0 2px 4px rgba(16,50,46,.06), 0 24px 60px -20px rgba(16,50,46,.32);
  --radius:14px;--maxw:1120px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0B1C19;--surface:#0F2521;--surface-2:#143029;
    --ink:#E9F3EF;--ink-soft:#C0D4CE;--muted:#84A099;
    --line:rgba(233,243,239,.12);--line-strong:rgba(233,243,239,.22);
    --accent:#3FBF9C;--accent-ink:#8FE6CE;--accent-wash:#12332C;
    --blue:#6BB0EC;--blue-wash:#12293B;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 14px 34px -14px rgba(0,0,0,.6);
    --shadow-lg:0 2px 6px rgba(0,0,0,.5), 0 28px 70px -22px rgba(0,0,0,.75);
  }
}
:root[data-theme="dark"]{
  --bg:#0B1C19;--surface:#0F2521;--surface-2:#143029;
  --ink:#E9F3EF;--ink-soft:#C0D4CE;--muted:#84A099;
  --line:rgba(233,243,239,.12);--line-strong:rgba(233,243,239,.22);
  --accent:#3FBF9C;--accent-ink:#8FE6CE;--accent-wash:#12332C;
  --blue:#6BB0EC;--blue-wash:#12293B;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 14px 34px -14px rgba(0,0,0,.6);
  --shadow-lg:0 2px 6px rgba(0,0,0,.5), 0 28px 70px -22px rgba(0,0,0,.75);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Figtree",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3{font-family:"Fraunces",Georgia,serif;font-weight:500;line-height:1.1;letter-spacing:-.01em;text-wrap:balance;margin:0}
h1{font-size:clamp(2.3rem,5vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}
h3{font-size:1.2rem;line-height:1.2}
p{margin:0}
a{color:inherit}
img{max-width:100%}
.mono{font-family:"Space Mono",ui-monospace,monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink)}
section{padding:clamp(56px,8vw,104px) 0}
.lead{font-size:1.12rem;color:var(--ink-soft);max-width:62ch}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.55em;font-weight:600;font-size:1rem;
  padding:.8em 1.4em;border-radius:999px;border:1px solid transparent;cursor:pointer;
  text-decoration:none;transition:transform .15s ease, box-shadow .2s ease, background .2s ease;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;position:relative;overflow:hidden}
:root[data-theme="dark"] .btn-primary,:root:not([data-theme="light"]) .btn-primary{color:#08211B}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .btn-primary{color:#fff}}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(18,135,108,.6)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:8px}

/* nav */
header.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--bg) 86%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:20px;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-family:"Fraunces",serif;font-weight:600;font-size:1.22rem;text-decoration:none;color:var(--ink)}
.brand .mark{width:30px;height:30px;flex:0 0 auto}
.nav-links{display:flex;gap:24px;margin-left:auto;align-items:center}
.nav-links a{text-decoration:none;color:var(--ink-soft);font-weight:500;font-size:.98rem;transition:color .15s}
.nav-links a:hover{color:var(--accent-ink)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.icon-btn{background:transparent;border:1px solid var(--line-strong);color:var(--ink);width:40px;height:40px;border-radius:999px;display:grid;place-items:center;cursor:pointer}
.icon-btn:hover{background:var(--surface-2)}
@media(max-width:900px){.nav-links{display:none}}

/* hero */
.subhero{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--blue-wash),var(--accent-wash))}
.subhero .wrap{padding-top:clamp(48px,7vw,88px);padding-bottom:clamp(48px,7vw,88px)}
.subhero h1 em{font-style:italic;color:var(--accent-ink)}
.subhero .lead{margin-top:20px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-proof{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px;color:var(--muted);font-size:.94rem}
.hero-proof span{display:inline-flex;align-items:center;gap:8px}
.hero-proof svg{color:var(--accent)}

/* content blocks */
.sec-head{max-width:64ch}
.sec-head h2{margin-top:12px}
.sec-head p{margin-top:16px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
@media(max-width:820px){.cards{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .25s ease, box-shadow .25s ease}
.motion-ok .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .ico{width:46px;height:46px;border-radius:12px;background:var(--accent-wash);color:var(--accent-ink);display:grid;place-items:center;margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{color:var(--ink-soft);font-size:.97rem}

.area-band{background:var(--surface-2)}
.area-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.area-list .chip{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.95rem;font-weight:500}
.zip-row{margin-top:20px;color:var(--muted);font-size:.95rem}

.split{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;margin-top:12px}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:28px}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.panel ul{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-direction:column;gap:12px}
.panel li{display:flex;gap:11px;align-items:flex-start;color:var(--ink-soft);font-size:.98rem}
.panel li svg{flex:0 0 auto;color:var(--accent);margin-top:3px}

/* CTA band */
.cta-band{background:var(--ink);color:#fff;border-radius:20px;padding:clamp(32px,5vw,52px);margin-top:12px;text-align:center}
:root[data-theme="dark"] .cta-band,:root:not([data-theme="light"]) .cta-band{background:var(--surface);border:1px solid var(--line);color:var(--ink)}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .cta-band{background:var(--ink);color:#fff;border:0}}
.cta-band h2{margin-bottom:14px}
.cta-band p{max-width:56ch;margin:0 auto 24px;color:#cfe0da}
:root[data-theme="dark"] .cta-band p,:root:not([data-theme="light"]) .cta-band p{color:var(--ink-soft)}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .cta-band p{color:#cfe0da}}
.cta-band .btn-primary{background:var(--accent)}

/* crumbs */
.crumbs{font-size:.9rem;color:var(--muted);padding-top:22px}
.crumbs a{color:var(--accent-ink);text-decoration:none;font-weight:600}

/* footer */
footer{background:var(--ink);color:#cfe0da;padding:56px 0 34px}
:root[data-theme="dark"] footer,:root:not([data-theme="light"]) footer{background:#08201C;border-top:1px solid var(--line)}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) footer{background:var(--ink)}}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr;gap:24px}}
footer .brand{color:#fff}
footer h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:#8bb0a7;margin:0 0 14px;font-weight:600}
footer a{color:#cfe0da;text-decoration:none;display:block;margin-bottom:9px;font-size:.95rem}
footer a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;color:#8bb0a7}

/* reveal */
.motion-ok .reveal{opacity:0;transform:translateY(16px);transition:opacity .55s cubic-bezier(.22,.61,.36,1), transform .55s cubic-bezier(.22,.61,.36,1)}
.motion-ok .reveal.in{opacity:1;transform:none}

/* mobile book bar */
.book-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);box-shadow:0 -6px 24px -12px rgba(16,50,46,.4)}
.book-bar .btn{width:100%;justify-content:center;font-size:1.05rem;padding:.9em 1.4em}
@media(max-width:720px){.book-bar{display:block}body{padding-bottom:76px}}