:root {
  --navy: #0b2545;
  --navy-2: #13315c;
  --sky: #1e88e5;
  --sky-light: #e8f3fd;
  --accent: #ffb400;
  --text: #1c2733;
  --muted: #5b6b7c;
  --bg: #ffffff;
  --radius: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; padding-bottom: 70px; }
a { color: var(--sky); }
img { max-width: 100%; height: auto; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 16px; }

.topbar { position: sticky; top: 0; z-index: 50; background: var(--navy); color: #fff; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 10px; padding-bottom: 10px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; }
.logo svg { width: 44px; fill: none; stroke: #4fc3f7; stroke-width: 3; stroke-linecap: round; }
.logo span { display: flex; flex-direction: column; line-height: 1.1; }
.logo strong { font-size: 1.2rem; letter-spacing: 1px; }
.logo small { font-size: .7rem; letter-spacing: 1px; opacity: .8; }
.nav { display: flex; gap: 20px; }
.nav a { color: #fff; text-decoration: none; opacity: .85; }
.nav a:hover { opacity: 1; }

.btn { display: inline-block; text-decoration: none; font-weight: 700; border-radius: 999px; padding: 10px 18px; transition: transform .1s; }
.btn:hover { transform: translateY(-1px); }
.btn-call { background: var(--accent); color: var(--navy); }
.btn-ghost { border: 2px solid var(--sky); color: var(--sky); }
.btn-lg { padding: 14px 24px; font-size: 1.05rem; }
.btn-xl { padding: 18px 34px; font-size: 1.6rem; }

.hero { background: linear-gradient(135deg, var(--sky-light), #fff); padding: 56px 0; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.eyebrow { color: var(--sky); font-weight: 700; text-transform: uppercase; font-size: .8rem; letter-spacing: 1px; margin: 0 0 8px; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.1; margin: 0 0 16px; color: var(--navy); }
h1 span { color: var(--sky); }
.lead { font-size: 1.15rem; color: var(--muted); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 12px; }
.rating { color: #e6a100; margin: 0; }
.rating strong { color: var(--text); }
.hero-img { border-radius: var(--radius); box-shadow: 0 20px 40px rgba(11,37,69,.18); }

.badges { background: var(--navy); color: #fff; }
.badge-row { display: grid; grid-template-columns: repeat(6, 1fr); text-align: center; padding-top: 18px; padding-bottom: 18px; font-size: 1.6rem; }
.badge-row span { display: block; font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }

.section { padding: 64px 0; }
.section.alt { background: #f5f8fb; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); color: var(--navy); margin: 0 0 10px; }
.sub { color: var(--muted); margin-top: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; margin-top: 28px; }
.card { background: #fff; border: 1px solid #e3eaf2; border-radius: var(--radius); padding: 20px; }
.card h3 { margin: 0 0 6px; color: var(--navy); font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }

.tnt { background: linear-gradient(135deg, var(--navy), var(--navy-2)); color: #fff; }
.tnt h2 { color: #fff; }
.tnt .eyebrow { color: #4fc3f7; }
.big { color: var(--accent); font-size: 1.3em; }
.tnt-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.ticks { list-style: none; padding: 0; margin: 20px 0 24px; }
.ticks li { padding-left: 28px; position: relative; margin-bottom: 6px; }
.ticks li::before { content: "✔"; position: absolute; left: 0; color: var(--accent); }
.fine { font-size: .82rem; opacity: .75; }
.tiers { display: grid; gap: 14px; }
.tier { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius); padding: 18px 20px; }
.tier.featured { background: var(--accent); color: var(--navy); }
.tier h3 { margin: 0; }
.tier p { margin: 2px 0 6px; }

.why { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
blockquote { margin: 32px 0 0; padding: 20px 24px; border-left: 5px solid var(--sky); background: var(--sky-light); border-radius: 0 var(--radius) var(--radius) 0; font-size: 1.1rem; font-style: italic; }

.areas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 24px 0; }
.areas > div { background: #fff; border-radius: var(--radius); padding: 20px; border: 1px solid #e3eaf2; }
.areas h3 { margin: 0 0 6px; color: var(--navy); }
.areas p { margin: 0; color: var(--muted); font-size: .95rem; }

.cta { text-align: center; background: var(--sky-light); }
.hours { color: var(--muted); }

.footer { background: var(--navy); color: #cfd8e3; padding: 28px 0; text-align: center; font-size: .92rem; }
.footer a { color: var(--accent); }
.footer p { margin: 4px 0; }

.float-call { position: fixed; left: 16px; right: 16px; bottom: 12px; z-index: 60; display: none; text-align: center; background: var(--accent); color: var(--navy); font-weight: 800; font-size: 1.1rem; padding: 14px; border-radius: 999px; text-decoration: none; box-shadow: 0 8px 24px rgba(0,0,0,.25); }

@media (max-width: 860px) {
  .nav { display: none; }
  .hero-grid, .tnt-grid, .areas { grid-template-columns: 1fr; }
  .badge-row { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .float-call { display: block; }
  .topbar .btn-call { padding: 8px 12px; font-size: .9rem; }
}
@media (min-width: 861px) { body { padding-bottom: 0; } }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; grid-auto-flow: dense; gap: 14px; margin-top: 28px; }
.gallery figure { margin: 0; position: relative; overflow: hidden; border-radius: var(--radius); background: var(--navy); box-shadow: 0 6px 18px rgba(11,37,69,.12); }
.gallery .g-tall { grid-row: span 2; }
.gallery .g-wide { grid-column: span 2; }
.gallery a { display: block; height: 100%; }
.gallery img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
.gallery figure:hover img { transform: scale(1.05); }
.gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 24px 14px 10px; color: #fff; font-weight: 600; font-size: .9rem; background: linear-gradient(transparent, rgba(11,37,69,.85)); pointer-events: none; }
#lightbox { border: 0; padding: 0; background: transparent; max-width: 94vw; max-height: 92vh; }
#lightbox::backdrop { background: rgba(5,15,30,.88); }
#lightbox img { max-width: 94vw; max-height: 82vh; display: block; margin: 0 auto; border-radius: 10px; }
#lightbox p { color: #fff; text-align: center; margin: 10px 0 0; }
#lightbox button { position: fixed; top: 12px; right: 16px; font-size: 2.2rem; line-height: 1; background: none; border: 0; color: #fff; cursor: pointer; }
@media (max-width: 860px) {
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
}
.btn-call { white-space: nowrap; }
section[id] { scroll-margin-top: 70px; }
@media (max-width: 860px) {
  .gallery .g-wide.g-tall { grid-row: span 1; }
  .logo small { display: none; }
}

/* Photo hero */
.hero-photo { position: relative; padding: 110px 0 120px; background: linear-gradient(90deg, rgba(11,37,69,.92) 0%, rgba(11,37,69,.75) 45%, rgba(11,37,69,.1) 100%), url("images/living-room-split-system-air-conditioner.webp") center right / cover no-repeat; color: #fff; }
.hero-photo .hero-grid { grid-template-columns: minmax(0, 620px); }
.hero-photo h1 { color: #fff; }
.hero-photo h1 span { color: #4fc3f7; }
.hero-photo .eyebrow { color: #4fc3f7; }
.hero-photo .lead { color: #dbe6f2; }
.hero-photo .rating strong { color: #fff; }
.hero-photo .btn-ghost { border-color: #fff; color: #fff; }

/* Service cards with photos */
.card-img { padding: 0; overflow: hidden; display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.card-img:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(11,37,69,.14); }
.card-img img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; display: block; }
.card-img h3 { padding: 16px 20px 0; }
.card-img p { padding: 0 20px 20px; }

.tnt-img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--radius); box-shadow: 0 16px 36px rgba(0,0,0,.35); }

/* Photo CTA */
.cta-photo { background: linear-gradient(rgba(11,37,69,.82), rgba(11,37,69,.82)), url("images/exterior-wall-lights-entry.webp") center / cover no-repeat; color: #fff; }
.cta-photo h2 { color: #fff; }
.cta-photo .hours { color: #cfd8e3; }

@media (max-width: 860px) {
  .hero-photo { padding: 64px 0 72px; background: linear-gradient(rgba(11,37,69,.85), rgba(11,37,69,.7)), url("images/living-room-split-system-air-conditioner.webp") center / cover no-repeat; }
}
.hero-grid > *, .tnt-grid > * { min-width: 0; }
@media (max-width: 480px) { .btn-lg { white-space: normal; text-align: center; } }

/* Reviews */
.rating a { color: inherit; text-decoration: none; }
.rating a:hover { text-decoration: underline; }
.reviews { background: linear-gradient(135deg, var(--sky-light), #fff); }
.reviews-inner { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: center; }
.reviews-inner > * { min-width: 0; }
.reviews-score { background: var(--navy); color: #fff; border-radius: var(--radius); padding: 28px; text-align: center; box-shadow: 0 16px 36px rgba(11,37,69,.2); }
.reviews-score .stars { color: var(--accent); font-size: 2rem; letter-spacing: 4px; }
.reviews-score .score { font-size: 1.3rem; margin: 6px 0 0; }
.reviews-score .score strong { font-size: 3rem; }
.reviews-score p { margin: 0; color: #cfd8e3; }
@media (max-width: 860px) { .reviews-inner { grid-template-columns: 1fr; } }