/* Clean Air Super Store — rebuilt site
   Palette: deep navy (trust) + fresh teal (clean air) + warm amber (cigar) */
:root {
  --navy: #0e1f30;
  --navy-2: #16324a;
  --teal: #17b3a6;
  --teal-d: #0f8d83;
  --amber: #d59248;
  --amber-l: #e7b070;
  --ink: #1c2733;
  --body: #41505d;
  --line: #e4e9ee;
  --bg: #ffffff;
  --bg-soft: #f5f8fa;
  --bg-navy-soft: #f0f4f7;
  --white: #fff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(14, 31, 48, .10);
  --shadow-lg: 0 24px 60px rgba(14, 31, 48, .18);
  --wrap: 1160px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--body);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.15; font-weight: 800; letter-spacing: -.02em; }
section { padding: 84px 0; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }
.eyebrow {
  color: var(--teal-d); font-weight: 700; font-size: .82rem;
  letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px;
}
.lead { font-size: 1.15rem; color: var(--body); max-width: 640px; }
.center .lead { margin-inline: auto; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 14px 26px; border-radius: 999px; font-weight: 700;
  font-size: .98rem; cursor: pointer; border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--teal); color: #fff; box-shadow: 0 8px 20px rgba(23,179,166,.35); }
.btn-primary:hover { background: var(--teal-d); transform: translateY(-2px); }
.btn-amber { background: var(--amber); color: #2a1c0a; box-shadow: 0 8px 20px rgba(213,146,72,.35); }
.btn-amber:hover { background: var(--amber-l); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-outline { background: #fff; color: var(--navy); border-color: var(--line); box-shadow: var(--shadow); }
.btn-outline:hover { border-color: var(--teal); color: var(--teal-d); transform: translateY(-2px); }

/* top utility bar */
.topbar {
  background: var(--navy); color: #cdd9e3; font-size: .86rem;
  padding: 8px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.topbar a { color: #eaf1f6; font-weight: 600; }
.topbar .tb-right { display: flex; gap: 22px; align-items: center; }
.topbar .dot { color: var(--teal); }

/* header / nav */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92);
  backdrop-filter: saturate(140%) blur(10px); border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; max-width: var(--wrap); margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .mark {
  width: 42px; height: 42px; border-radius: 11px; flex: none;
  background: linear-gradient(135deg, var(--teal), var(--navy-2));
  display: grid; place-items: center; color: #fff; box-shadow: var(--shadow);
}
.brand .mark svg { width: 24px; height: 24px; }
.brand b { color: var(--ink); font-size: 1.06rem; font-weight: 800; letter-spacing: -.02em; display: block; line-height: 1.1; }
.brand span { font-size: .72rem; color: var(--teal-d); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-weight: 600; font-size: .96rem; color: var(--ink); transition: color .15s; }
.nav-links a:hover { color: var(--teal-d); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 2.5px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: .2s; }

/* hero */
.hero { position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(120deg, #0c1c2b 0%, #123049 55%, #0f8d83 140%); }
.hero::after {
  content: ""; position: absolute; inset: 0; opacity: .16;
  background: url("../img/lounge-hero.jpg") center/cover no-repeat; mix-blend-mode: luminosity;
}
.hero .wrap { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding-top: 70px; padding-bottom: 80px; }
.hero h1 { color: #fff; font-size: clamp(2.1rem, 4.6vw, 3.5rem); }
.hero h1 .hl { color: var(--amber-l); }
.hero p.sub { color: #d5e2ec; font-size: 1.18rem; margin: 20px 0 30px; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 26px; margin-top: 34px; flex-wrap: wrap; }
.hero-badges div { }
.hero-badges b { color: #fff; font-size: 1.7rem; display: block; letter-spacing: -.03em; }
.hero-badges small { color: #a9bccb; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.hero-art { position: relative; }
.hero-art img { filter: drop-shadow(0 30px 40px rgba(0,0,0,.45)); animation: float 6s ease-in-out infinite; }
.hero-art .price-tag {
  position: absolute; bottom: 6%; left: 0; background: #fff; color: var(--ink);
  border-radius: 12px; padding: 12px 18px; box-shadow: var(--shadow-lg); font-weight: 800;
}
.hero-art .price-tag small { display: block; color: var(--teal-d); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; }
.hero-art .price-tag b { font-size: 1.35rem; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* trust strip */
.trust { background: var(--navy); color: #dfe9f0; padding: 22px 0; }
.trust .wrap { display: flex; justify-content: space-around; gap: 24px; flex-wrap: wrap; text-align: center; }
.trust .t { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: .98rem; }
.trust .t svg { width: 26px; height: 26px; color: var(--teal); flex: none; }

/* value / goal */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.value-list { margin-top: 26px; display: grid; gap: 18px; }
.value-list .vi { display: flex; gap: 14px; align-items: flex-start; }
.value-list .vi .ic { width: 40px; height: 40px; border-radius: 10px; background: var(--bg-navy-soft); color: var(--teal-d); display: grid; place-items: center; flex: none; }
.value-list .vi .ic svg { width: 22px; height: 22px; }
.value-list .vi b { color: var(--ink); display: block; }
.media-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--line); }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }

/* product feature */
.product { background: var(--bg-soft); }
.product .split { align-items: center; }
.prod-art { background: radial-gradient(circle at 50% 40%, #fff, var(--bg-navy-soft)); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); display: grid; place-items: center; }
.spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 26px 0; }
.spec-grid .s { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.spec-grid .s b { color: var(--teal-d); font-size: 1.5rem; display: block; letter-spacing: -.02em; }
.spec-grid .s small { color: var(--body); font-size: .86rem; }
.price-row { display: flex; align-items: baseline; gap: 12px; margin-bottom: 22px; }
.price-row .p { font-size: 2rem; font-weight: 800; color: var(--ink); }
.price-row .n { font-size: .9rem; color: var(--body); }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 46px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); position: relative; }
.step .num { width: 40px; height: 40px; border-radius: 11px; background: var(--navy); color: #fff; font-weight: 800; display: grid; place-items: center; margin-bottom: 16px; }
.step h3 { font-size: 1.06rem; margin-bottom: 8px; }
.step p { font-size: .93rem; }

/* filters */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 44px; max-width: 760px; margin-inline: auto; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .18s, box-shadow .18s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card .ci { background: var(--bg-soft); padding: 26px; display: grid; place-items: center; height: 190px; }
.card .ci img { max-height: 150px; width: auto; }
.card .cb { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.card h3 { font-size: 1.12rem; margin-bottom: 6px; }
.card .meta { font-size: .88rem; color: var(--body); margin-bottom: 14px; flex: 1; }
.card .cp { font-size: 1.4rem; font-weight: 800; color: var(--ink); margin-bottom: 16px; }
.sub-banner { margin-top: 30px; background: linear-gradient(120deg, var(--navy), var(--navy-2)); color: #fff; border-radius: var(--radius); padding: 26px 32px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; box-shadow: var(--shadow); }
.sub-banner b { color: #fff; }
.sub-banner .tag { background: var(--amber); color: #2a1c0a; padding: 4px 12px; border-radius: 999px; font-weight: 800; font-size: .8rem; }

/* testimonials */
.tst { background: var(--navy); color: #eaf1f6; }
.tst h2 { color: #fff; }
.tst .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; }
.quote { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: 26px; }
.quote .stars { color: var(--amber-l); margin-bottom: 12px; letter-spacing: 2px; }
.quote p { color: #e5eef4; font-size: 1.02rem; margin-bottom: 16px; }
.quote .who { font-weight: 700; color: #fff; font-size: .95rem; }
.quote .where { color: #9fb4c4; font-size: .84rem; }

/* about */
.about .split { align-items: center; }
.about .story p { margin-bottom: 16px; }
.founder { display: flex; align-items: center; gap: 14px; margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--line); }
.founder .fi { width: 52px; height: 52px; border-radius: 50%; background: linear-gradient(135deg, var(--teal), var(--navy)); color: #fff; display: grid; place-items: center; font-weight: 800; }

/* contact / quote */
.contact { background: var(--bg-soft); }
.contact .split { align-items: start; }
.info-card { display: grid; gap: 18px; }
.info-card .row { display: flex; gap: 14px; align-items: flex-start; }
.info-card .row .ic { width: 46px; height: 46px; border-radius: 12px; background: #fff; border: 1px solid var(--line); color: var(--teal-d); display: grid; place-items: center; flex: none; box-shadow: var(--shadow); }
.info-card .row b { color: var(--ink); display: block; }
.info-card .big-call { margin-top: 8px; background: linear-gradient(120deg, var(--teal), var(--teal-d)); color: #fff; border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.info-card .big-call small { text-transform: uppercase; letter-spacing: .1em; opacity: .9; font-size: .78rem; }
.info-card .big-call .bc-num { font-size: 1.9rem; font-weight: 800; color: #fff; display: block; letter-spacing: -.02em; margin-bottom: 14px; }
.big-call .bc-actions { display: flex; gap: 12px; }
.big-call .bc-actions .btn { flex: 1; justify-content: center; }
.big-call .bc-text { background: rgba(255,255,255,.15); color: #fff; border: 2px solid rgba(255,255,255,.6); }
.big-call .bc-text:hover { background: rgba(255,255,255,.28); }

form.quote-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
form.quote-form h3 { margin-bottom: 6px; }
form.quote-form p.fnote { font-size: .9rem; margin-bottom: 20px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; color: var(--ink); font-size: .9rem; margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: .96rem; color: var(--ink); background: #fcfdfe; transition: border .15s, box-shadow .15s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(23,179,166,.15); }
.field.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
form.quote-form button { width: 100%; justify-content: center; margin-top: 6px; }

/* trusted-by strip */
.trusted { background: #fff; border-bottom: 1px solid var(--line); padding: 30px 0; }
.trusted-lead { text-align: center; color: var(--body); font-size: .96rem; margin-bottom: 16px; }
.trusted-lead strong { color: var(--ink); }
.logos { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 14px 34px; }
.logos span { font-weight: 800; color: #9aa8b4; letter-spacing: -.01em; font-size: 1.02rem; white-space: nowrap; transition: color .15s; }
.logos span:hover { color: var(--navy); }

/* problem agitation */
.prob-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 46px; }
.prob { background: #fff; border: 1px solid var(--line); border-top: 3px solid #c0392b; border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow); }
.prob .pic { font-size: 2rem; margin-bottom: 14px; }
.prob h3 { font-size: 1.14rem; margin-bottom: 10px; }
.prob p { font-size: .96rem; }

/* ROI block */
.roi { background: var(--bg-navy-soft); border-radius: 12px; padding: 20px 22px; margin: 24px 0; }
.roi-price { display: flex; align-items: baseline; gap: 12px; }
.roi-price .p { font-size: 2rem; font-weight: 800; color: var(--ink); }
.roi-price .n { font-size: .9rem; color: var(--body); }
.roi-note { font-size: .95rem; margin-top: 10px; color: var(--body); }
.roi-note strong { color: var(--ink); }

/* stats band */
.stats { background: linear-gradient(120deg, var(--navy), var(--navy-2)); color: #fff; padding: 40px 0; }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stats .stat b { display: block; font-size: 2.4rem; font-weight: 800; letter-spacing: -.03em; color: #fff; }
.stats .stat b { background: linear-gradient(120deg, #fff, var(--teal)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stats .stat span { color: #a9bccb; font-size: .9rem; }

/* sizing calculator */
.calc-section { background: linear-gradient(120deg, #0c1c2b 0%, #123049 60%, #0f8d83 150%); color: #fff; }
.calc { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 44px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 30px; }
.calc-inputs { display: grid; gap: 16px; align-content: start; }
.cfield label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; color: #e5eef4; }
.cfield input, .cfield select { width: 100%; padding: 13px 14px; border-radius: 10px; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.95); color: var(--ink); font-family: inherit; font-size: .96rem; }
.cfield input:focus, .cfield select:focus { outline: none; box-shadow: 0 0 0 3px rgba(23,179,166,.4); }
.calc-result { background: #fff; color: var(--ink); border-radius: 14px; padding: 30px; display: flex; flex-direction: column; justify-content: center; box-shadow: var(--shadow-lg); }
.cr-placeholder { text-align: center; color: var(--body); }
.cr-placeholder .cr-ic { font-size: 2.6rem; margin-bottom: 10px; }
.cr-out .cr-units { font-size: 3.4rem; font-weight: 800; color: var(--teal-d); line-height: 1; letter-spacing: -.03em; }
.cr-out .cr-label { font-size: 1.05rem; font-weight: 700; color: var(--ink); margin: 6px 0 16px; }
.cr-out .cr-detail { font-size: .92rem; color: var(--body); background: var(--bg-soft); border-radius: 10px; padding: 12px 14px; margin-bottom: 18px; }
.cr-out .cr-detail b { color: var(--ink); }
.cr-out .btn { width: 100%; justify-content: center; }
.cr-note { font-size: .8rem; color: #90a0ac; margin-top: 12px; text-align: center; }

/* gallery */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 44px; }
.gallery figure { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 3/4; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.gallery figure:hover img { transform: scale(1.06); }
.gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; background: linear-gradient(transparent, rgba(10,24,38,.9)); color: #fff; font-size: .86rem; font-weight: 600; padding: 26px 16px 14px; }

/* featured testimonial */
.featured-quote { background: linear-gradient(135deg, var(--teal-d), var(--navy-2)); border-radius: 18px; padding: 40px; text-align: center; margin: 0 auto 30px; max-width: 820px; box-shadow: var(--shadow-lg); }
.featured-quote .stars { color: var(--amber-l); letter-spacing: 3px; margin-bottom: 14px; font-size: 1.2rem; }
.featured-quote p { color: #fff; font-size: 1.5rem; font-weight: 700; line-height: 1.35; letter-spacing: -.02em; margin-bottom: 18px; }
.featured-quote .fq-who { color: #cfe0ea; font-size: .98rem; }
.featured-quote .fq-who strong { color: #fff; }

/* footer */
.footer { background: #0a1826; color: #9fb4c4; padding: 60px 0 26px; }
.footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer h4 { color: #fff; font-size: .95rem; margin-bottom: 16px; letter-spacing: .04em; }
.footer a { display: block; color: #9fb4c4; padding: 5px 0; font-size: .93rem; }
.footer a:hover { color: var(--teal); }
.footer .brand b { color: #fff; }
.footer .brand span { color: var(--teal); }
.footer .fdesc { margin-top: 14px; font-size: .92rem; max-width: 320px; }
.footer .bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 22px; font-size: .86rem; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* responsive */
@media (max-width: 940px) {
  section { padding: 60px 0; }
  .hero .wrap, .split { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 380px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cards, .tst .grid { grid-template-columns: 1fr; }
  .prob-grid { grid-template-columns: 1fr; }
  .stats .wrap { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .calc { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .featured-quote { padding: 30px 24px; }
  .featured-quote p { font-size: 1.2rem; }
  .footer .cols { grid-template-columns: 1fr; gap: 26px; }
  .nav-links, .topbar .tb-left { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open { display: flex; position: absolute; top: 71px; left: 0; right: 0; flex-direction: column; background: #fff; padding: 18px 24px; gap: 16px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
}
@media (max-width: 560px) {
  .spec-grid, .field.two { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero-badges { gap: 18px; }
}