:root {
  --navy: #0d315c;
  --navy-2: #173f70;
  --ink: #172235;
  --muted: #667085;
  --orange: #f2550b;
  --orange-2: #d94306;
  --green: #21bd6b;
  --paper: #ffffff;
  --mist: #f2f7fa;
  --line: #dbe4ea;
  --shadow: 0 18px 45px rgba(20, 42, 68, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
img { display: block; width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 88px 0; }
.section--soft { background: var(--mist); }
.eyebrow {
  margin: 0 0 8px;
  color: var(--orange-2);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.section-title { margin: 0; font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.08; letter-spacing: -.04em; }
.section-copy { max-width: 720px; margin: 18px auto 0; color: var(--muted); font-size: 1.05rem; }
.center { text-align: center; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.95);
  border-bottom: 1px solid rgba(219,228,234,.8);
  backdrop-filter: blur(12px);
}
.nav { height: 82px; display: flex; align-items: center; gap: 26px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  aspect-ratio: 1;
  color: #fff;
  background: var(--orange);
  border-radius: 9px;
  font-size: 1.15rem;
  font-weight: 900;
  box-shadow: 0 8px 20px rgba(242,85,11,.25);
}
.brand-text strong, .brand-text span { display: block; }
.brand-text strong { font-size: 1.05rem; line-height: 1.1; }
.brand-text span { margin-top: 3px; color: var(--muted); font-size: .76rem; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { text-decoration: none; font-size: .91rem; font-weight: 700; }
.nav-links a:hover { color: var(--orange); }
.phone-square, .menu-button {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}
.phone-square { color: #fff; background: var(--orange); text-decoration: none; font-size: 1.3rem; }
.menu-button { display: none; background: transparent; color: var(--ink); font-size: 1.6rem; }

.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(110deg, rgba(5,34,66,.98) 5%, rgba(10,50,93,.91) 55%, rgba(15,61,108,.74)),
    url("assets/air-duct-before-after.jpg") center/cover;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -60% 40%;
  height: 550px;
  background: radial-gradient(circle, rgba(242,85,11,.25), transparent 65%);
}
.hero-inner { position: relative; z-index: 1; padding: 96px 0 88px; max-width: 820px; }
.service-pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; background: rgba(255,255,255,.09); font-size: .9rem; }
.service-pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #38d57d; box-shadow: 0 0 0 5px rgba(56,213,125,.12); }
.hero h1 { max-width: 780px; margin: 24px 0 22px; font-size: clamp(2.7rem, 6.3vw, 5.35rem); line-height: .98; letter-spacing: -.055em; }
.hero h1 span { color: #ffc627; }
.hero-lead { max-width: 680px; margin: 0; color: #dce8f4; font-size: 1.12rem; }
.trust-row { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; color: #e5eef7; font-size: .92rem; }
.trust-row span::before, .check-list li::before { content: "✓"; color: var(--green); font-weight: 900; margin-right: 8px; }
.offer-strip { display: flex; align-items: center; gap: 14px; max-width: 610px; margin-top: 30px; padding: 15px; border: 1px solid rgba(255,255,255,.2); border-radius: 14px; background: rgba(255,255,255,.1); }
.save-badge { padding: 8px 10px; border-radius: 7px; background: var(--orange); font-weight: 900; }
.offer-strip strong, .offer-strip small { display: block; }
.offer-strip small { color: #c9d7e5; }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.btn { display: inline-flex; justify-content: center; align-items: center; gap: 9px; min-height: 54px; padding: 0 24px; border: 2px solid transparent; border-radius: 10px; text-decoration: none; font-weight: 800; cursor: pointer; }
.btn-primary { color: #fff; background: var(--orange); box-shadow: 0 12px 24px rgba(242,85,11,.25); }
.btn-primary:hover { background: var(--orange-2); }
.btn-outline { color: #fff; border-color: rgba(255,255,255,.8); background: transparent; }
.btn-dark { color: #fff; background: var(--navy); }

.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 44px; }
.service-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); }
.service-image { height: 295px; object-fit: cover; }
.service-body { padding: 30px; }
.service-body h3 { margin: 0 0 18px; font-size: 1.55rem; }
.check-list { display: grid; gap: 10px; padding: 0; margin: 0 0 24px; list-style: none; color: var(--muted); }
.service-body .btn { width: 100%; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 42px; }
.feature { padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.feature-icon { display: grid; place-items: center; width: 43px; height: 43px; margin-bottom: 20px; color: #fff; background: var(--orange); border-radius: 10px; font-weight: 900; }
.feature h3 { margin: 0 0 6px; font-size: 1.08rem; }
.feature p { margin: 0; color: var(--muted); font-size: .94rem; }

.deals {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(135deg, var(--navy), #153f71);
}
.deals .eyebrow { color: #ffc627; }
.deal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 38px; }
.deal { padding: 26px; border: 1px solid rgba(255,255,255,.13); border-radius: 16px; background: rgba(255,255,255,.08); }
.deal-tag { display: inline-block; margin-bottom: 14px; padding: 5px 9px; border-radius: 6px; color: #172235; background: #ffc627; font-size: .7rem; font-weight: 900; text-transform: uppercase; }
.deal h3 { margin: 0 0 6px; }
.deal p { margin: 0; color: #cfdeec; }
.deals .button-row { justify-content: center; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 44px; }
.step { position: relative; padding: 26px 22px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.step-number { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 18px; border-radius: 50%; color: #fff; background: var(--orange); font-weight: 900; }
.step h3 { margin: 0 0 7px; }
.step p { margin: 0; color: var(--muted); font-size: .94rem; }

.team-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 56px; }
.team-photo { overflow: hidden; border-radius: 22px; box-shadow: var(--shadow); }
.team-photo img { aspect-ratio: 1.55; object-fit: cover; }
.team-copy p { color: var(--muted); }
.bullet-list { padding: 0; margin: 22px 0 0; list-style: none; }
.bullet-list li { margin: 10px 0; }
.bullet-list li::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 11px; border-radius: 50%; background: var(--orange); }
.testimonial { margin-top: 34px; padding: 24px; border-left: 4px solid var(--orange); border-radius: 0 14px 14px 0; background: var(--mist); }
.testimonial p { margin: 0 0 10px; color: var(--ink); font-style: italic; }
.testimonial strong { font-size: .9rem; }

.area-cloud { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 36px; }
.area-cloud span { padding: 9px 13px; color: #3b4a5d; background: #fff; border: 1px solid var(--line); border-radius: 999px; font-size: .86rem; font-weight: 650; }

.contact-section { color: #fff; background: var(--navy); }
.contact-section .section-copy { color: #ccdae8; }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 52px; margin-top: 44px; }
.contact-cards { display: grid; gap: 14px; }
.contact-card { position: relative; z-index: 1; display: flex; align-items: center; gap: 16px; padding: 19px; color: var(--ink); background: #fff; border-radius: 14px; text-decoration: none; cursor: pointer; touch-action: manipulation; -webkit-tap-highlight-color: rgba(242,85,11,.18); }
.contact-card:active { transform: scale(.99); }
.contact-card .icon { display: grid; place-items: center; width: 42px; height: 42px; flex: none; color: #fff; background: var(--orange); border-radius: 10px; }
.contact-card strong, .contact-card small { display: block; }
.contact-card small { color: var(--muted); }
.quote-form { padding: 30px; color: var(--ink); background: #fff; border-radius: 20px; box-shadow: 0 26px 60px rgba(0,0,0,.2); }
.quote-form h3 { margin: 0; font-size: 1.6rem; }
.quote-form > p { margin: 5px 0 22px; color: var(--muted); }
.field-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.field { display: grid; gap: 6px; }
.field--wide { grid-column: 1 / -1; }
.field label { font-size: .82rem; font-weight: 800; }
.field input, .field select, .field textarea { width: 100%; min-height: 48px; padding: 11px 13px; color: var(--ink); background: #fbfdff; border: 1px solid #cfd9e2; border-radius: 8px; }
.field textarea { min-height: 100px; resize: vertical; }
.consent { display: flex; align-items: flex-start; gap: 10px; margin: 17px 0; color: #5a6878; font-size: .78rem; line-height: 1.45; }
.consent input { width: 18px; height: 18px; margin-top: 2px; flex: none; }
.consent a { color: var(--navy-2); font-weight: 700; }
.quote-form .btn { width: 100%; }
.form-note { display: none; margin: 14px 0 0; padding: 10px; color: #11633b; background: #e8fff2; border-radius: 8px; font-size: .9rem; }

.policies { padding: 54px 0; background: #f8fafc; border-top: 1px solid var(--line); }
.policy-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.policy { scroll-margin-top: 100px; }
.policy details { height: 100%; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.policy summary { cursor: pointer; font-weight: 850; }
.policy-content { color: var(--muted); font-size: .9rem; }
.policy-content h4 { color: var(--ink); margin: 20px 0 6px; }
.policy-content p { margin: 7px 0; }

.site-footer { padding: 46px 0 24px; color: #d5e1ec; background: #08294f; }
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 40px; }
.footer-title { margin: 0 0 13px; color: #fff; font-size: 1rem; }
.footer-links { display: grid; gap: 8px; }
.footer-links a { color: #c8d6e3; text-decoration: none; font-size: .9rem; }
.footer-brand .brand { display: inline-flex; color: #fff; }
.footer-brand p { max-width: 320px; color: #b6c7d8; font-size: .9rem; }
.legal-line { margin-top: 35px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #9eb2c5; font-size: .8rem; }

@media (max-width: 900px) {
  .nav-links { display: none; position: absolute; top: 82px; left: 0; right: 0; padding: 18px 20px 24px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav-links.is-open { display: grid; }
  .menu-button { display: grid; }
  .service-grid, .team-grid, .contact-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .deal-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 580px) {
  .container { width: min(100% - 32px, 1120px); }
  .section { padding: 68px 0; }
  .nav { height: 76px; gap: 10px; }
  .nav-links { top: 76px; }
  .brand-text strong { font-size: 1rem; }
  .brand-text span { font-size: .68rem; }
  .phone-square, .menu-button { width: 40px; height: 40px; }
  .hero-inner { padding: 70px 0 62px; }
  .hero h1 { font-size: clamp(2.45rem, 12vw, 4rem); }
  .hero-lead { font-size: 1rem; }
  .button-row { display: grid; }
  .offer-strip { align-items: flex-start; }
  .service-grid, .feature-grid, .deal-grid, .steps, .field-grid, .policy-grid, .footer-grid { grid-template-columns: 1fr; }
  .service-image { height: 240px; }
  .field--wide { grid-column: auto; }
  .quote-form { padding: 23px 18px; }
  .contact-grid { gap: 30px; }
}