/* Healthy Air Ducts stylesheet */
:root {
  --navy: #102A43;
  --mut: #334E68;
  --alt: #F4F6F8;
  --line: #D9E2EC;
  --teal: #0D9488;
  --cta: #2DD4BF;
  --cta-d: #14B8A6;
  --nav: #E3F2EE;
  --r: 8px;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  font: 16px/1.65 Inter, system-ui, "Segoe UI", Roboto, sans-serif;
  color: var(--navy);
  background: #fff;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { color: var(--navy); line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; font-weight: 700; }
h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 800; }
h2 { font-size: clamp(26px, 3.6vw, 38px); }
h3 { font-size: 20px; }
p { margin: 0 0 1em; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
section { padding: 72px 0; }
section.alt { background: var(--alt); }
.sub { color: var(--mut); max-width: 60ch; font-size: 18px; }
.label { display: block; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--navy); margin-bottom: 10px; }
.label::before { content: ""; display: inline-block; width: 24px; height: 3px; background: var(--teal); margin-right: 10px; vertical-align: middle; }
.row { display: flex; flex-wrap: wrap; gap: 12px; }
.split { display: grid; gap: 32px; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 48px; } }

:is(a, button, input, select, textarea, summary):focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }

/* Header */
header { position: sticky; top: 0; z-index: 20; background: var(--nav); border-bottom: 1px solid var(--line); }
header .wrap { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 18px; color: var(--navy); }
.brand img { height: 48px; width: auto; }
nav.links { display: flex; justify-content: center; gap: 28px; }
nav.links a { text-decoration: none; font-weight: 600; font-size: 15px; color: var(--navy); }
nav.links a:hover { text-decoration: underline; text-underline-offset: 6px; }
.hact { display: flex; align-items: center; gap: 16px; }
.tel { font-weight: 700; text-decoration: none; white-space: nowrap; }
a[data-waicon] svg { width: 24px; height: 24px; fill: currentColor; }

/* Buttons: one radius, one height */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px;
  border: 2px solid transparent; border-radius: 6px;
  background: var(--cta); color: var(--navy);
  font: 700 15px/1 Inter, system-ui, sans-serif;
  text-decoration: none; cursor: pointer;
  transition: background-color .2s, border-color .2s, color .2s;
}
.btn:hover { background: var(--cta-d); }
.btn.sec { background: var(--navy); color: #fff; }
.btn.sec:hover { background: #0B1F32; }
.btn.line { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn.line:hover { background: var(--navy); color: #fff; }
.btn:disabled { opacity: .6; cursor: default; }

/* Forms */
form { display: grid; gap: 14px; max-width: 520px; }
label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--navy); }
input, select, textarea {
  width: 100%; min-height: 48px; padding: 12px;
  font: inherit; font-size: 16px; color: var(--navy);
  background: #fff; border: 1px solid #9FB3C8; border-radius: 6px;
}
input, textarea { -webkit-appearance: none; appearance: none; }
textarea { display: block; resize: vertical; }
.msg { min-height: 1.5em; font-weight: 600; }
.msg.err { color: #B42318; }
.msg.ok { color: var(--navy); }

/* Cards, icons, grids */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 24px; transition: border-color .2s; }
.card:hover { border-color: var(--navy); }
.card p { color: var(--mut); margin: 0; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-top: 32px; }
.ico { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: var(--r); color: var(--teal); margin-bottom: 14px; }
.ico svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Checkmark lists and packages */
.ticks { list-style: none; padding: 0; margin: 16px 0 0; }
.ticks li { position: relative; padding-left: 28px; margin: 8px 0; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .4em; width: 14px; height: 8px; border-left: 2px solid var(--teal); border-bottom: 2px solid var(--teal); transform: rotate(-45deg); }
.pk .card { display: flex; flex-direction: column; }
.pk .ticks { margin-bottom: 20px; }
.pk .btn { margin-top: auto; }
.card.top { border: 2px solid var(--navy); }
.price { font-size: 40px; font-weight: 800; line-height: 1.1; margin: 4px 0 8px; }

/* Trust strip (not used yet) */
.strip { padding: 28px 0; border-bottom: 1px solid var(--line); }
.strip .wrap { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.fact { display: flex; align-items: center; gap: 14px; }
.fact .ico { margin: 0; flex: 0 0 44px; }
.fact strong { display: block; font-size: 20px; line-height: 1.2; }
.fact span { color: var(--mut); font-size: 14px; }

/* How it works (not used yet) */
.num { width: 44px; height: 44px; display: grid; place-items: center; background: var(--navy); color: #fff; border-radius: var(--r); font-weight: 800; margin-bottom: 14px; }

/* Gallery */
.gal { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-top: 24px; }

/* Reviews */
.rv { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-top: 24px; }
.stars { color: var(--teal); letter-spacing: 2px; font-size: 18px; margin: 8px 0 2px; }
.gavg { display: flex; align-items: center; gap: 8px; margin-top: 6px; }
.gavg .gn { font-size: 34px; font-weight: 800; line-height: 1; }
.gavg .gs { color: var(--teal); font-size: 28px; line-height: 1; }
.gavg .gc { color: var(--mut); font-size: 18px; }
.reply { margin-top: 14px; padding: 12px 14px; background: var(--alt); border-left: 3px solid var(--teal); border-radius: 6px; }
.reply p { margin: 4px 0 0; color: var(--navy); }
.empty { color: var(--mut); padding: 20px; border: 1px dashed #9FB3C8; border-radius: var(--r); }

/* FAQ (not used yet) */
.faq { max-width: 760px; margin-top: 28px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--r); margin-bottom: 10px; }
.faq summary { display: flex; justify-content: space-between; gap: 12px; padding: 16px 18px; font-weight: 700; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--teal); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 18px 16px; margin: 0; color: var(--mut); }

/* Final call to action (not used yet) */
.cta { background: var(--navy); text-align: center; }
.cta h2 { color: #fff; }
.cta p { color: var(--line); max-width: 52ch; margin: 0 auto 24px; }
.cta .row { justify-content: center; }
.cta .btn.line { color: #fff; border-color: #fff; }
.cta .btn.line:hover { background: #fff; color: var(--navy); }

/* Footer */
footer { background: var(--navy); color: var(--line); padding: 40px 0 20px; font-size: 14px; }
footer strong { display: block; color: #fff; font-size: 15px; margin-bottom: 8px; }
footer p, footer address { margin: 0 0 6px; font-style: normal; line-height: 1.5; }
footer a { display: block; margin: 0 0 6px; color: var(--line); text-decoration: none; overflow-wrap: anywhere; }
footer a:hover { color: #fff; text-decoration: underline; }
.fgrid { display: grid; gap: 24px; grid-template-columns: 1fr; }
.fcopy { margin-top: 24px; padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, .15); font-size: 13px; }
@media (min-width: 700px) { .fgrid { grid-template-columns: 1.4fr 1fr 1fr; } }

/* Floating WhatsApp button */
#cw { position: fixed; right: 16px; bottom: 16px; z-index: 30; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
#cw .lbl { background: #fff; color: var(--navy); font: 700 13px Inter, system-ui, sans-serif; padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px; }
#cw .main { display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%; background: #25D366; color: #fff; box-shadow: 0 2px 6px rgba(16, 42, 67, .25); }
#cw .main svg { width: 32px; height: 32px; fill: currentColor; }

/* ===== HERO: photo covers the whole section under a navy layer ===== */
.hero {
  position: relative; color: #fff; padding: 44px 0; min-height: 520px;
  display: flex; align-items: center;
  background:
    linear-gradient(90deg, rgba(16, 42, 67, .94) 0%, rgba(16, 42, 67, .8) 45%, rgba(16, 42, 67, .5) 100%),
    url(/hero.webp) center 12% / cover no-repeat;
  background-color: var(--navy);
}
.hero .wrap { width: 100%; display: grid; align-items: center; column-gap: 48px; grid-template-columns: minmax(0, 1fr) 380px; }
.hcopy { min-width: 0; }
.hero h1 { color: #fff; margin-bottom: 12px; font-size: clamp(32px, 4vw, 52px); text-wrap: balance; }
.hero p { color: #E6EEF5; font-size: 18px; margin: 0; max-width: 52ch; }
.pill { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 16px; padding: 8px 16px; border: 1px solid rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .12); border-radius: 999px; font-size: 14px; font-weight: 600; color: #fff; }
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn.light { background: #fff; color: var(--navy); text-transform: uppercase; letter-spacing: .02em; }
.btn.light:hover { background: #E3F2EE; }
.hstat { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; margin-top: 22px; }
.stat { display: flex; align-items: baseline; gap: 10px; }
.snum { font-size: clamp(40px, 5vw, 52px); font-weight: 800; line-height: 1; color: #fff; }
.slbl { font-size: 20px; font-weight: 600; color: #fff; }

/* Hero quote form: frosted glass */
.hform {
  padding: 22px; color: #fff; border-radius: 8px;
  background: rgba(16, 42, 67, .45);
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, .3);
}
.hform h2 { color: #fff; font-size: 24px; margin: 0 0 4px; }
.hform .fsub { color: #E6EEF5; font-size: 14px; max-width: none; margin: 0 0 14px; }
.hform form { max-width: none; gap: 10px; }
.hform label { color: #fff; }
.hform input, .hform select { min-height: 44px; }
.hform .btn { width: 100%; }

/* Brand colours for the contact icons */
.hact a[data-waicon] { color: #25D366; }
.hact .ig { display: flex; color: #E1306C; }
.hact .ig svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

@media (max-width: 1100px) {
  .hero .wrap { grid-template-columns: minmax(0, 1fr) 340px; column-gap: 32px; }
}
@media (max-width: 860px) {
  .hero {
    min-height: 0; padding: 32px 0 36px;
    background:
      linear-gradient(rgba(16, 42, 67, .86), rgba(16, 42, 67, .86)),
      url(/hero.webp) 72% center / cover no-repeat;
    background-color: var(--navy);
  }
  .hero .wrap { grid-template-columns: 1fr; row-gap: 24px; }
}

/* Responsive */
@media (max-width: 900px) {
  section { padding: 48px 0; }
  header .wrap { grid-template-columns: 1fr auto; gap: 12px; }
  nav.links { display: none; }
}
@media (max-width: 640px) {
  .hact .btn { display: none; }
  footer { padding-bottom: 90px; }
}
@media (max-width: 380px) {
  .brand span { display: none; }
}

/* ===== SECTIONS: benefits, testimonials, packages, results, about, contact ===== */
.center { text-align: center; }
.center .sub { margin-left: auto; margin-right: auto; }
.center .card { text-align: center; }
.center .ico { margin-left: auto; margin-right: auto; }
.acc { color: var(--teal); }

/* Benefits: room photo behind the section, softened with a white layer */
#benefits {
  background:
    linear-gradient(rgba(255, 255, 255, .7), rgba(255, 255, 255, .7)),
    url(/fr-1.webp) center 8% / cover no-repeat;
  background-color: #fff;
}

/* Testimonials */
.tc { display: flex; align-items: center; gap: 12px; max-width: 820px; margin: 32px auto 0; }
.tvp { flex: 1; min-width: 0; overflow: hidden; touch-action: pan-y; }
.tt { display: flex; gap: 16px; will-change: transform; }
.tcard {
  flex: 0 0 100%; margin: 0; padding: 22px 28px; min-height: 170px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  text-align: center; user-select: none;
}
.avatar { width: 56px; height: 56px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--teal); margin-bottom: 12px; }
.avatar svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tcard figcaption { font-weight: 700; font-size: 18px; margin-bottom: 12px; }
.tcard blockquote { margin: 0; font-size: 18px; line-height: 1.6; max-width: 56ch; }
.ar { flex: 0 0 44px; width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--navy); background: #fff; color: var(--navy); font-size: 26px; line-height: 1; cursor: pointer; }
.ar:hover { background: var(--navy); color: #fff; }
@media (max-width: 560px) {
  .ar { flex-basis: 36px; width: 36px; height: 36px; font-size: 22px; }
}
/* Testimonials (compact) */
#testimonials { padding: 32px 0; }
#testimonials h2 { margin-bottom: 0; }
#testimonials .tc { margin-top: 18px; }
#testimonials .tcard { padding: 16px 24px; min-height: 0; }
#testimonials .avatar { width: 44px; height: 44px; margin-bottom: 8px; }
#testimonials .avatar svg { width: 22px; height: 22px; }
#testimonials figcaption { margin-bottom: 6px; }
#testimonials blockquote { font-size: 17px; line-height: 1.5; }
#testimonials .btn { min-height: 40px; }

/* Packages: navy header band, no prices */
.pk .card { padding: 0; overflow: hidden; }
.pk h3 { margin: 0; padding: 18px 24px; background: var(--navy); color: #fff; font-size: 22px; }
.pbody { display: flex; flex-direction: column; flex: 1; padding: 24px; }
.pbody .ticks { margin-top: 0; }

/* Before and after */
.ba { display: block; position: relative; margin: 0; }
.ba img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; object-position: center 30%; border-radius: 8px; border: 1px solid var(--line); }
.ba .tag { position: absolute; top: 12px; padding: 4px 10px; background: var(--navy); color: #fff; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; border-radius: 6px; }
.ba .tag.b { left: 12px; }
.ba .tag.a { right: 12px; }

/* About: van photo under a navy layer */
.about {
  padding: 140px 0; color: #fff;
  background:
    linear-gradient(rgba(16, 42, 67, .8), rgba(16, 42, 67, .8)),
    url(/aboutus.webp) center 72% / cover no-repeat;
  background-color: var(--navy);
}
.about h2, .about h3, .about .label { color: #fff; }
.about .abox { max-width: 720px; }
.about p { color: #E6EEF5; }
.about .ticks li::before { border-color: #2DD4BF; }
@media (max-width: 900px) { .about { padding: 56px 0; } }

/* Contact */
.clist { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin: 24px 0; }
.cc { display: flex; align-items: center; gap: 14px; padding: 14px 16px; background: #fff; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; color: var(--navy); transition: border-color .2s; }
.cc:hover { border-color: var(--navy); }
.cc .ico { margin: 0; flex: 0 0 44px; }
.cc small { display: block; color: var(--mut); font-size: 13px; }
.cc strong { font-size: 16px; overflow-wrap: anywhere; }
.ico.wa { color: #25D366; }
.ico.wa svg { fill: currentColor; stroke: none; }
.ico.ig { color: #E1306C; }


#results, #book { padding: 48px 0; }
.qgrid { grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.qgrid .full { grid-column: 1 / -1; }
.qgrid label { gap: 4px; }
.qgrid input, .qgrid select { min-height: 42px; }
@media (max-width: 560px) { .qgrid { grid-template-columns: 1fr; } }


/* Navbar icons aligned */
.hact a[data-waicon], .hact .ig { display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; }
.hact a[data-waicon] svg, .hact .ig svg { display: block; width: 24px; height: 24px; }

/* Contact: bigger */
#contact { padding: 100px 0; }
#contact h2 { font-size: clamp(30px, 4vw, 44px); }
.clist { gap: 16px; margin: 36px 0 0; }
.cc { padding: 26px 24px; gap: 18px; }
.cc .ico { flex-basis: 56px; width: 56px; height: 56px; }
.cc small { font-size: 14px; }
.cc strong { font-size: 19px; }
@media (max-width: 900px) { #contact { padding: 56px 0; } }