:root{
  --navy: #0b2a4a;
  --navy-deep: #071c33;
  --blue: #1d6fb8;
  --blue-bright: #2e93e6;
  --ice: #eaf4fc;
  --paper: #ffffff;
  --ink: #10202f;
  --muted: #55697a;
  --amber: #f5a623;
}
*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
  background: var(--ice);
  color: var(--ink);
  line-height: 1.6;
  padding-bottom: 48px; /* fixed banner clearance */
}
h1,h2,h3,h4{ font-family: 'Segoe UI', Tahoma, sans-serif; font-weight: 800; letter-spacing:-0.02em; margin: 0 0 .4em; color: var(--navy); }
a{ color: inherit; }
.wrap{ max-width: 1100px; margin: 0 auto; padding: 0 20px; }
section{ padding: 56px 0; }
.section-title{ text-align:center; font-size: clamp(1.6rem,4vw,2.3rem); margin-bottom: 8px; }
.section-sub{ text-align:center; color: var(--muted); max-width: 620px; margin: 0 auto 36px; }

/* Buttons */
.btn{
  display:inline-block; padding: 13px 26px; border-radius: 10px; font-weight:700;
  text-decoration:none; font-size:1rem; transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--blue-bright); color: #fff; box-shadow: 0 6px 16px rgba(29,111,184,.35); }
.btn-amber{ background: var(--amber); color: var(--navy-deep); box-shadow: 0 6px 16px rgba(245,166,35,.35); }
.btn-ghost{ background: rgba(255,255,255,.1); color:#fff; border: 2px solid rgba(255,255,255,.7); }
.btn-outline{ background: transparent; color: var(--blue); border: 2px solid var(--blue); }

/* Top bar / emergency strip */
.emergency-strip{
  background: var(--navy-deep); color: #dff0ff; text-align:center;
  font-size: .85rem; padding: 7px 14px;
}
.emergency-strip a{ color: var(--amber); font-weight:700; text-decoration: underline; }

/* NAV */
.topbar{
  position: sticky; top:0; z-index: 50;
  background: var(--navy);
  color: #eaf4fc;
  box-shadow: 0 2px 12px rgba(0,0,0,.2);
}
.topbar .wrap{ display:flex; align-items:center; justify-content:space-between; padding: 14px 20px; gap: 16px; }
.brand{ font-size: 1.2rem; font-weight:800; display:flex; align-items:center; gap:.5em; color:#fff; white-space:nowrap; }
.brand .mark{
  display:inline-flex; align-items:center; justify-content:center;
  width: 38px; height:38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-bright), var(--navy));
  font-size:1.2rem;
}
.topnav{ display:none; gap: 20px; font-size:.95rem; }
.topnav a{ text-decoration:none; opacity:.9; padding: 6px 2px; border-bottom: 2px solid transparent; }
.topnav a:hover, .topnav a.active{ border-bottom-color: var(--blue-bright); opacity:1; }
@media(min-width: 860px){ .topnav{ display:flex; } }
.nav-cta{ background: var(--blue-bright); color:#fff; padding: 9px 16px; border-radius: 999px; text-decoration:none; font-weight:700; font-size:.9rem; white-space:nowrap; }

/* mobile nav row (shown under logo on small screens) */
.mobile-links{ display:flex; gap: 14px; overflow-x:auto; padding: 10px 20px 14px; font-size:.85rem; background: var(--navy); }
.mobile-links a{ color:#cfe6fa; text-decoration:none; white-space:nowrap; padding: 5px 10px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; }
@media(min-width:860px){ .mobile-links{ display:none; } }

/* HERO (page-specific bg passed via .hero class + inline modifiers reused) */
.hero{
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #eaf4fc;
  padding: 60px 0 68px;
  position: relative;
  overflow: hidden;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(circle at 85% 20%, rgba(46,147,230,.25), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(245,166,35,.12), transparent 40%);
  pointer-events:none;
}
.hero .wrap{ position:relative; }

/* Hero with photo background (home page) — same navy gradient, photo underneath */
.hero.hero-photo{
  background:
    linear-gradient(115deg, rgba(11,42,74,.82) 0%, rgba(11,42,74,.66) 45%, rgba(7,28,51,.85) 100%),
    url('images/hero-technician-condenser.jpg') center 42% / cover no-repeat;
}
.hero-flex{ display:grid; gap: 32px; align-items:center; }
@media(min-width:860px){ .hero-flex{ grid-template-columns: 1.1fr .9fr; } }
.eyebrow{
  display:inline-block; background: rgba(245,166,35,.18); color: var(--amber);
  border: 1px solid rgba(245,166,35,.4); padding: 5px 14px; border-radius: 999px;
  font-size:.8rem; font-weight:700; margin-bottom: 14px;
}
.hero h1{ color:#fff; font-size: clamp(2rem,5vw,3rem); margin-bottom:.35em; }
.hero p.lead{ color:#cfe6fa; font-size: 1.1rem; max-width: 560px; }
.cta-row{ display:flex; gap: 14px; flex-wrap:wrap; margin-top: 22px; }

/* trust badges */
.trust-row{ display:grid; grid-template-columns: repeat(2,1fr); gap: 14px; margin-top: 28px; }
@media(min-width:600px){ .trust-row{ grid-template-columns: repeat(4,1fr); } }
.trust-item{
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px; padding: 14px; text-align:center; font-size:.85rem; color:#dff0ff;
}
.trust-item .ic{ font-size:1.4rem; display:block; margin-bottom:4px; }

/* hero visual block (CSS shape, no images) */
.hero-visual{
  aspect-ratio: 4/3; border-radius: 20px;
  background: linear-gradient(150deg, var(--blue-bright), var(--navy) 80%);
  display:flex; align-items:center; justify-content:center;
  font-size: 4.5rem; box-shadow: 0 20px 40px rgba(0,0,0,.35);
  position: relative; overflow:hidden;
}
.hero-visual::after{
  content:"";
  position:absolute; width:180%; height:180%; top:-40%; left:-40%;
  background: repeating-conic-gradient(from 0deg, rgba(255,255,255,.05) 0 10deg, transparent 10deg 20deg);
  animation: spin 40s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }

/* Cards grid (services / values / etc) */
.card-grid{ display:grid; gap: 22px; }
@media(min-width:640px){ .card-grid.cols-2{ grid-template-columns: repeat(2,1fr); } }
@media(min-width:860px){ .card-grid.cols-3{ grid-template-columns: repeat(3,1fr); } }
.card{
  background: var(--paper); border-radius: 16px; padding: 24px;
  border: 1px solid #dce8f2; box-shadow: 0 6px 18px rgba(10,40,70,.06);
}
.card .ic{
  width: 52px; height:52px; border-radius: 12px; display:flex; align-items:center; justify-content:center;
  background: var(--ice); font-size: 1.6rem; margin-bottom: 14px;
}
.card h3{ font-size: 1.1rem; margin-bottom: 8px; }
.card p{ color: var(--muted); font-size: .95rem; margin: 0; }
.card .price-tag{ display:inline-block; margin-top: 10px; font-weight:800; color: var(--blue); }

/* Card with photo on top (services page) */
.card.card-photo{ padding: 0; }
.card.card-photo img{ width:100%; aspect-ratio: 4/3; object-fit: cover; display:block; border-radius: 16px 16px 0 0; }
.card.card-photo .card-body{ padding: 24px; }
.card.card-photo .ic{
  position: relative; margin-top: -38px; margin-bottom: 12px; z-index: 2;
  box-shadow: 0 6px 14px rgba(10,40,70,.2); border: 1px solid #dce8f2;
}

/* Photo-backed "our work" strip (home page) */
.work-strip{ background: linear-gradient(180deg, var(--ice), #fff); }
.work-grid{ display:grid; gap: 30px; align-items:center; }
@media(min-width: 860px){ .work-grid{ grid-template-columns: 1fr 1fr; } }
.work-photo{
  width:100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 20px;
  box-shadow: 0 16px 34px rgba(10,40,70,.22);
}
.work-copy .section-title{ text-align:left; }
.work-list{ list-style:none; margin: 20px 0 0; padding:0; display:grid; gap: 12px; }
.work-list li{ display:flex; align-items:flex-start; gap: 10px; color: var(--ink); }
.work-list li .ic{ flex:none; font-size: 1.1rem; }

/* Service area banner */
.service-area{
  background: var(--navy); color: #dff0ff; border-radius: 18px; padding: 28px; text-align:center;
}
.service-area .cities{ font-weight:700; color:#fff; }

/* Reviews */
.review-card{
  background: var(--paper); border-radius: 16px; padding: 22px; border: 1px solid #dce8f2;
  box-shadow: 0 6px 18px rgba(10,40,70,.06);
}
.stars{ color: var(--amber); font-size: 1.1rem; letter-spacing: 2px; margin-bottom: 8px; }
.review-name{ font-weight:700; margin-top: 12px; }
.review-meta{ color: var(--muted); font-size:.85rem; }
.sample-tag{
  display:inline-block; background: #fdf1dd; color:#8a5a00; border: 1px solid #f0d8a6;
  padding: 4px 10px; border-radius: 999px; font-size:.75rem; font-weight:700; margin-bottom: 10px;
}

/* About */
.about-badge{
  aspect-ratio: 1/1; max-width: 220px; margin: 0 auto 24px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-bright), var(--navy));
  display:flex; align-items:center; justify-content:center; font-size: 4rem; color:#fff;
  box-shadow: 0 14px 30px rgba(10,40,70,.25);
}
.about-grid{ display:grid; gap: 30px; align-items:center; }
@media(min-width:860px){ .about-grid{ grid-template-columns: 1.1fr .9fr; } }
.about-photo{
  width:100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 20px;
  box-shadow: 0 16px 34px rgba(10,40,70,.22);
}
.about-wide-photo{
  width:100%; max-height: 360px; object-fit: cover; border-radius: 20px;
  box-shadow: 0 16px 34px rgba(10,40,70,.2);
}
.about-wide-caption{ text-align:center; color: var(--muted); font-size:.9rem; margin-top: 12px; }
.values-row{ display:grid; gap: 18px; }
@media(min-width:700px){ .values-row{ grid-template-columns: repeat(3,1fr); } }

/* Contact */
.contact-grid{ display:grid; gap: 28px; }
@media(min-width:860px){ .contact-grid{ grid-template-columns: 1.1fr .9fr; } }
form.demo-form{ background: var(--paper); border-radius: 18px; padding: 28px; border: 1px solid #dce8f2; box-shadow: 0 6px 18px rgba(10,40,70,.06); }
.field{ margin-bottom: 16px; display:flex; flex-direction:column; gap:6px; }
.field label{ font-weight:700; font-size:.9rem; }
.field input, .field textarea, .field select{
  padding: 11px 12px; border-radius: 8px; border: 1px solid #c6d7e5; font-size: .95rem;
  font-family: inherit; background: #fbfdff;
}
.field input:focus, .field textarea:focus{ outline: 2px solid var(--blue-bright); }
.side-card{ background: var(--navy); color: #dff0ff; border-radius: 18px; padding: 26px; }
.side-card h3{ color: #fff; }
.side-card-photo{
  width:100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 12px; margin-bottom: 18px;
  box-shadow: 0 10px 22px rgba(0,0,0,.3);
}
.side-card .step{ display:flex; gap: 12px; margin-bottom: 14px; }
.side-card .step .num{
  flex: none; width: 28px; height:28px; border-radius:50%; background: var(--blue-bright);
  color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:.85rem;
}
.map-placeholder{
  border-radius: 16px; min-height: 220px; margin-top: 18px;
  background:
    linear-gradient(0deg, rgba(255,255,255,.05) 1px, transparent 1px) 0 0/100% 22px,
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px) 0 0/22px 100%,
    #123353;
  border: 2px dashed rgba(255,255,255,.3);
  display:flex; align-items:center; justify-content:center; flex-direction:column; gap:6px;
  color: #cfe6fa; font-size:.9rem;
}
.map-placeholder .pin{ font-size: 2rem; }

/* CTA dark band */
.cta-band{
  background: linear-gradient(135deg, var(--navy-deep), var(--navy));
  color: #eaf4fc; text-align:center; padding: 56px 20px; border-radius: 0;
}
.cta-band h2{ color:#fff; }
.cta-band p{ color:#cfe6fa; max-width: 520px; margin: 0 auto 22px; }

/* Footer */
footer.site-footer{
  background: var(--navy-deep); color: #cfe6fa; padding: 40px 20px 24px; font-size:.9rem;
}
.footer-grid{ display:grid; gap: 24px; }
@media(min-width:700px){ .footer-grid{ grid-template-columns: 1.2fr 1fr 1fr; } }
.footer-grid h4{ color:#fff; font-size:.95rem; margin-bottom: 10px; }
.footer-grid a{ color:#cfe6fa; text-decoration:none; display:block; margin-bottom: 6px; }
.footer-grid a:hover{ text-decoration:underline; }
.footer-bottom{ text-align:center; margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12); font-size:.8rem; color:#8fb2cf; }

/* KE Sites fixed sample banner */
.ke-banner{
  position: fixed; left:0; right:0; bottom:0; z-index: 100;
  background: #071c33; color: #eaf4fc;
  text-align:center; font-size: .82rem;
  padding: 9px 14px;
  border-top: 2px solid var(--amber);
}
.ke-banner a{ color: var(--amber); font-weight:700; text-decoration: underline; }