/* ============================================================
   Fresh Air Engineering — freshair.lk
   Design tokens
   ============================================================ */
:root{
  --bg:        #E9F2F8;   /* icy blue page background, echoes logo panel */
  --panel:     #FFFFFF;
  --panel-2:   #DCEAF3;   /* soft blue panel for alternating sections */
  --ink:       #0C1B2A;   /* near-black navy, matches logo black */
  --ink-soft:  #33495C;
  --red:       #D6301C;   /* the exact red of "Air" in the logo */
  --red-deep:  #A9240F;
  --sky:       #3E7CA6;   /* mid-blue accent */
  --deep:      #102A40;   /* dark navy for footer / dark sections */
  --line:      #BFD6E6;   /* hairline rule */
  --line-dark: rgba(255,255,255,.18);

  --slab: "Zilla Slab", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max: 1120px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; }
.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 28px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior:auto !important; }
}

:focus-visible{ outline: 3px solid var(--red); outline-offset: 2px; }

/* ---------- headings ---------- */
h1,h2,h3{ font-family: var(--slab); font-weight: 700; margin: 0 0 .4em; line-height: 1.08; color: var(--ink); }
h1{ font-size: clamp(2.6rem, 5.5vw, 4.4rem); font-weight: 800; }
h2{ font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
h3{ font-size: 1.25rem; }
p{ margin: 0 0 1em; color: var(--ink-soft); max-width: 62ch; }
.lede{ font-size: 1.18rem; }

/* ============================================================
   Top bar (utility strip)
   ============================================================ */
.topbar{
  background: var(--deep);
  color: #cfe0ec;
  font-size: .85rem;
}
.topbar .wrap{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:8px; padding-bottom:8px; gap: 16px; flex-wrap: wrap;
}
.topbar a{ color:#fff; text-decoration:none; }
.topbar a:hover{ text-decoration: underline; }
.topbar .phone{ font-weight:600; letter-spacing:.02em; }

/* ============================================================
   Nav
   ============================================================ */
.site-header{
  background: var(--bg);
  border-bottom: 2px solid var(--ink);
  position: sticky; top:0; z-index: 50;
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:16px; padding-bottom:16px;
}
.logo{
  display:flex; flex-direction:column; align-items:flex-start; line-height:.9; text-decoration:none;
}
.logo-img{ height:52px; width:auto; display:block; }
.logo .tag{
  font-size:.62rem; letter-spacing:.16em; color: var(--ink-soft);
  margin-top:.4em; font-weight:600;
}

nav.primary{ display:flex; align-items:center; gap: 6px; }
nav.primary a{
  text-decoration:none; color: var(--ink); font-weight:600;
  padding: 10px 16px; border-radius: 2px; font-size: .98rem;
  position: relative;
}
nav.primary a.current{ color: var(--red); }
nav.primary a:not(.current):hover{ color: var(--sky); }
nav.primary a.shop-link{
  background: var(--ink); color:#fff; border-radius: 3px;
}
nav.primary a.shop-link:hover{ background: var(--red); color:#fff; }

.menu-toggle{
  display:none; background:none; border:2px solid var(--ink); border-radius:3px;
  width:44px; height:44px; cursor:pointer; position:relative;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after{
  content:""; position:absolute; left:10px; right:10px; height:2px; background: var(--ink);
}
.menu-toggle span{ top:21px; }
.menu-toggle span::before{ top:-7px; }
.menu-toggle span::after{ top:7px; }

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--sans); font-weight:700; font-size: .98rem;
  padding: 14px 26px; border-radius: 3px; text-decoration:none;
  border: 2px solid transparent; cursor:pointer;
}
.btn-call{
  background: var(--red); color:#fff; border-color: var(--red);
}
.btn-call:hover{ background: var(--red-deep); border-color: var(--red-deep); }
.btn-call svg{ width:18px; height:18px; flex: none; }
.btn-outline{
  background:transparent; color: var(--ink); border-color: var(--ink);
}
.btn-outline:hover{ background: var(--ink); color:#fff; }
.btn-outline.on-dark{ color:#fff; border-color:#fff; }
.btn-outline.on-dark:hover{ background:#fff; color: var(--deep); }
.btn-block{ width:100%; justify-content:center; }

/* ============================================================
   Hero (home)
   ============================================================ */
.hero{
  position: relative; overflow:hidden;
  border-bottom: 2px solid var(--ink);
}
.hero .wrap{
  display:grid; grid-template-columns: 1.15fr .85fr; gap: 40px;
  align-items:center; padding-top:64px; padding-bottom:64px;
  position:relative; z-index:2;
}
.hero-flow{
  position:absolute; inset:0; z-index:1; opacity:.55; pointer-events:none;
}
.eyebrow-line{
  display:flex; align-items:center; gap:10px; margin-bottom: 18px;
  color: var(--sky); font-weight:700; font-size:.95rem;
}
.eyebrow-line .dash{ width:34px; height:2px; background: var(--red); display:inline-block; }
.hero h1 .accent{ color: var(--red); }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top: 30px; }
.hero-stats{
  display:flex; gap: 34px; margin-top:44px; padding-top: 26px; border-top:1px solid var(--line);
}
.hero-stats div strong{ display:block; font-family:var(--slab); font-size:1.7rem; color:var(--ink); }
.hero-stats div span{ font-size:.85rem; color:var(--ink-soft); }

.hero-card{
  background: var(--panel); border:2px solid var(--ink); border-radius:4px;
  padding: 30px; position:relative;
}
.hero-card h3{ margin-bottom:6px; }
.hero-card ul{ list-style:none; margin:18px 0 24px; padding:0; }
.hero-card li{
  display:flex; gap:10px; padding: 10px 0; border-bottom:1px dashed var(--line);
  font-size:.96rem; color: var(--ink-soft);
}
.hero-card li:last-child{ border-bottom:none; }
.hero-card li svg{ width:18px; height:18px; flex:none; color: var(--red); margin-top:2px; }

/* ============================================================
   Cover banner (brand image, home page)
   ============================================================ */
.cover-banner{ padding: 56px 0; }
.cover-frame{
  margin:0; border:2px solid var(--ink); border-radius:4px; overflow:hidden;
  background: var(--panel-2);
}
.cover-frame img{ width:100%; height:auto; display:block; }

/* ============================================================
   Sections
   ============================================================ */
section{ padding: 78px 0; }
.section-alt{ background: var(--panel-2); }
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head .kicker{
  color: var(--red); font-weight:700; font-size:.95rem; margin-bottom:8px; display:block;
}

.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap: 0; border-top:2px solid var(--ink); border-left:2px solid var(--ink); }
.grid-3 > *{ border-right:2px solid var(--ink); border-bottom:2px solid var(--ink); padding: 30px 28px; background: var(--panel); }

.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items:start; }

.svc-num{ font-family: var(--slab); font-size:.85rem; color: var(--sky); margin-bottom: 10px; display:block; }
.svc-icon{ width:34px; height:34px; color: var(--red); margin-bottom: 16px; }

/* home services preview */
.svc-strip{ display:grid; grid-template-columns: repeat(4,1fr); border-top:2px solid var(--ink); }
.svc-strip > a{
  text-decoration:none; color: var(--ink); padding: 26px 22px; border-right:2px solid var(--ink); border-bottom:2px solid var(--ink);
  background: var(--panel); display:block; transition: background .15s ease;
}
.svc-strip > a:hover{ background: var(--panel-2); }
.svc-strip h3{ font-size:1.05rem; margin-bottom:6px; }
.svc-strip p{ font-size:.9rem; margin:0; }

/* CTA band */
.cta-band{
  background: var(--deep); color:#fff; border-top:2px solid var(--ink); border-bottom:2px solid var(--ink);
}
.cta-band h2{ color:#fff; }
.cta-band p{ color:#c7d9e5; }
.cta-band .wrap{
  display:flex; justify-content:space-between; align-items:center; gap: 30px; flex-wrap:wrap;
}
.cta-band .actions{ display:flex; gap:14px; flex-wrap:wrap; }

/* logos / trust row */
.trust-row{ display:flex; gap:40px; flex-wrap:wrap; align-items:center; justify-content:space-between; }
.trust-row .item{ font-family: var(--slab); font-weight:700; color: var(--ink-soft); font-size:1.05rem; }

/* ---- process / steps (only used where content is genuinely sequential) ---- */
.steps{ list-style:none; margin:0; padding:0; counter-reset: step; }
.steps li{
  display:grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 22px 0; border-top:1px solid var(--line);
}
.steps li:last-child{ border-bottom:1px solid var(--line); }
.steps li::before{
  counter-increment: step; content: counter(step);
  font-family: var(--slab); font-size:1.4rem; color: var(--red); font-weight:800;
}

/* ---- values / about grid ---- */
.value-card{ padding: 26px 24px; background: var(--panel); border:2px solid var(--ink); border-radius:4px; }

/* ---- team ---- */
.team-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.team-card{ border:2px solid var(--ink); border-radius:4px; overflow:hidden; background:var(--panel); }
.team-photo{ aspect-ratio: 4/3; background: linear-gradient(135deg,var(--sky),var(--deep)); display:flex; align-items:center; justify-content:center; color:#fff; font-family:var(--slab); font-size:2.4rem; font-weight:800; }
.team-card .info{ padding: 18px 20px; }
.team-card .role{ color: var(--sky); font-weight:600; font-size:.9rem; }

/* ============================================================
   Contact page
   ============================================================ */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-list{ list-style:none; margin:0 0 30px; padding:0; }
.contact-list li{
  display:grid; grid-template-columns: 40px 1fr; gap: 14px; padding: 16px 0; border-bottom:1px solid var(--line);
}
.contact-list li svg{ width:22px; height:22px; color: var(--red); }
.contact-list li strong{ display:block; font-size:.85rem; color:var(--ink-soft); font-weight:600; margin-bottom:2px; }
.contact-list li a, .contact-list li span{ font-size:1.05rem; font-weight:600; text-decoration:none; }

.map-frame{
  border:2px solid var(--ink); border-radius:4px; overflow:hidden; height: 320px; background: var(--panel-2);
}
.map-frame iframe{ width:100%; height:100%; border:0; display:block; }

form.inquiry{ background: var(--panel); border:2px solid var(--ink); border-radius:4px; padding: 30px; }
form.inquiry .field{ margin-bottom: 18px; }
form.inquiry label{ display:block; font-size:.85rem; font-weight:700; margin-bottom:6px; color: var(--ink-soft); }
form.inquiry input, form.inquiry select, form.inquiry textarea{
  width:100%; padding: 12px 14px; border:1.5px solid var(--line); border-radius:3px;
  font-family: var(--sans); font-size: 1rem; background:#fff; color: var(--ink);
}
form.inquiry input:focus, form.inquiry select:focus, form.inquiry textarea:focus{
  border-color: var(--sky); outline:none;
}
form.inquiry textarea{ resize: vertical; min-height: 110px; }
.form-row-2{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-note{ font-size:.85rem; color: var(--ink-soft); margin-top: 14px; }

.hours-table{ width:100%; border-collapse:collapse; margin-top:6px; }
.hours-table td{ padding: 8px 0; border-bottom:1px solid var(--line); font-size:.96rem; }
.hours-table td:first-child{ font-weight:600; color: var(--ink); width:50%; }
.hours-table td:last-child{ color: var(--ink-soft); text-align:right; }

/* ============================================================
   Footer
   ============================================================ */
footer{ background: var(--ink); color:#c7d3db; padding: 54px 0 26px; }
footer .wrap{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
footer h4{ color:#fff; font-family:var(--slab); font-size:1.05rem; margin:0 0 14px; }
footer p{ color:#9fb0bc; font-size:.92rem; }
.flogo-img{ height:44px; width:auto; margin-bottom:12px; }
footer ul{ list-style:none; margin:0; padding:0; }
footer li{ margin-bottom:10px; }
footer a{ color:#c7d3db; text-decoration:none; font-size:.94rem; }
footer a:hover{ color:#fff; text-decoration:underline; }
.footer-bottom{
  max-width: var(--max); margin: 36px auto 0; padding: 20px 28px 0; border-top:1px solid rgba(255,255,255,.12);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.82rem; color:#8296a4;
}

/* ============================================================
   Page hero (non-home pages)
   ============================================================ */
.page-hero{
  border-bottom:2px solid var(--ink); padding: 54px 0 48px; position:relative; overflow:hidden;
}
.page-hero .wrap{ position:relative; z-index:2; }
.crumb{ font-size:.9rem; color: var(--sky); font-weight:600; margin-bottom:14px; }
.crumb a{ text-decoration:none; color:var(--sky); }
.crumb a:hover{ text-decoration:underline; }
.page-hero p.lede{ margin-top: 10px; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px){
  .hero .wrap{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr 1fr; }
  .grid-2{ grid-template-columns: 1fr; gap: 30px; }
  .svc-strip{ grid-template-columns: 1fr 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .team-grid{ grid-template-columns: 1fr 1fr; }
  footer .wrap{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px){
  .menu-toggle{ display:block; }
  nav.primary{
    position:absolute; top:100%; left:0; right:0; background: var(--bg);
    flex-direction:column; align-items:stretch; border-bottom:2px solid var(--ink);
    display:none; padding: 8px 20px 18px;
  }
  nav.primary.open{ display:flex; }
  nav.primary a{ padding: 12px 4px; border-bottom:1px solid var(--line); border-radius:0; }
  nav.primary a.shop-link{ text-align:center; margin-top:8px; border-radius:3px; border-bottom:none; }
  .site-header .wrap{ position:relative; }
  .grid-3{ grid-template-columns: 1fr; }
  .svc-strip{ grid-template-columns: 1fr; }
  .team-grid{ grid-template-columns: 1fr; }
  .form-row-2{ grid-template-columns:1fr; }
  footer .wrap{ grid-template-columns: 1fr; }
  .cta-band .wrap{ flex-direction:column; align-items:flex-start; }
  .topbar .wrap{ justify-content:center; text-align:center; }
}