@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src:
    url("fonts/plusjakartasans-semibold-600.woff2") format("woff2"),
    url("fonts/plusjakartasans-semibold-600.ttf") format("truetype");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src:
    url("fonts/plusjakartasans-bold-700.woff2") format("woff2"),
    url("fonts/plusjakartasans-bold-700.ttf") format("truetype");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src:
    url("fonts/plusjakartasans-extrabold-800.woff2") format("woff2"),
    url("fonts/plusjakartasans-extrabold-800.ttf") format("truetype");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src:
    url("fonts/inter-regular-400.woff2") format("woff2"),
    url("fonts/inter-regular-400.ttf") format("truetype");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src:
    url("fonts/inter-medium-500.woff2") format("woff2"),
    url("fonts/inter-medium-500.ttf") format("truetype");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src:
    url("fonts/inter-semibold-600.woff2") format("woff2"),
    url("fonts/inter-semibold-600.ttf") format("truetype");
}

:root {
  --nw-blue: #003D79;
  --nw-blue-dark: #08213f;
  --nw-red: #C8102E;
  --nw-red-dark: #A80D26;
  --ink: #1A1A2E;
  --body: #41506a;
  --muted: #6a768c;
  --line: #D7DEE8;
  --wash: #F5F7FA;
  --white: #fff;
  --mint: #DDF4ED;
  --amber: #F7E7C3;
  --max: 1180px;
  --font-display: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
  --font-sans: "Inter", "Plus Jakarta Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--white);
  color: var(--body);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.58;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }

.lp-wrap { width: min(100% - 32px, var(--max)); margin: 0 auto; }
.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 1000;
  transform: translateY(-140%);
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--white);
  color: var(--nw-blue);
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(0,0,0,0.2);
}
.skip-link:focus { transform: translateY(0); outline: 3px solid var(--nw-red); outline-offset: 2px; }

.lp-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 4px solid transparent;
  box-shadow: 0 2px 16px rgba(0,0,0,0.10);
}
.lp-bar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 4px;
  background: var(--nw-red);
  pointer-events: none;
  z-index: 2;
}
.lp-bar__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.lp-bar__logo { display: flex; align-items: center; min-width: 0; flex: 1 1 auto; }
.lp-bar__logo img { width: clamp(210px, 26vw, 300px); height: auto; image-rendering: -webkit-optimize-contrast; }
.lp-bar__cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 46px;
  padding: 11px 18px;
  border-radius: 6px;
  background: var(--nw-red);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 800;
  white-space: nowrap;
}
.lp-bar__cta:hover { background: var(--nw-red-dark); color: var(--white); }
.lp-bar__phone-label {
  display: block;
  margin-bottom: 3px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  opacity: 0.85;
}

.hero {
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(8,33,63,0.95) 0%, rgba(0,61,121,0.78) 46%, rgba(8,33,63,0.38) 100%),
    url("assets/nw-iaq-rooftop-service.jpg") center / cover no-repeat;
}
.hero__inner {
  min-height: calc(100vh - 92px);
  padding: 86px 0 54px;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(300px, 0.42fr);
  gap: 42px;
  align-items: end;
}
.eyebrow {
  margin: 0 0 15px;
  color: rgba(255,255,255,0.86);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0;
  max-width: 860px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(42px, 6.1vw, 74px);
  line-height: 1.02;
  letter-spacing: 0;
}
.hero__lead {
  margin: 22px 0 0;
  max-width: 780px;
  color: rgba(255,255,255,0.94);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.52;
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}
.hero__meta span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 7px 12px;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.95);
  font-size: 13px;
  font-weight: 800;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 800;
  text-align: center;
  transition: background 120ms ease-out, color 120ms ease-out, border-color 120ms ease-out;
}
.btn--red { background: var(--nw-red); color: var(--white); }
.btn--red:hover { background: var(--nw-red-dark); color: var(--white); }
.btn--light { background: rgba(255,255,255,0.94); color: var(--nw-blue); }
.btn--light:hover { background: var(--white); color: var(--nw-red); }
.btn--outline { background: transparent; border-color: rgba(255,255,255,0.48); color: var(--white); }
.btn--outline:hover { background: rgba(255,255,255,0.10); color: var(--white); }

.hero-card {
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 8px;
  background: rgba(5,30,58,0.72);
  box-shadow: 0 18px 42px rgba(0,0,0,0.24);
  padding: 24px;
}
.hero-card h2 {
  margin: 0 0 14px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.14;
}
.check-list, .plain-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}
.check-list li, .plain-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  color: rgba(255,255,255,0.91);
}
.check-list li::before, .plain-list li::before {
  content: "";
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--nw-red);
}
.plain-list li { color: var(--body); }

.trust-strip {
  background: var(--nw-blue-dark);
  color: var(--white);
  border-top: 1px solid rgba(255,255,255,0.16);
}
.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
}
.trust-item {
  padding: 20px 22px;
  background: rgba(255,255,255,0.05);
}
.trust-item strong {
  display: block;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.2;
}
.trust-item span {
  display: block;
  margin-top: 6px;
  color: rgba(255,255,255,0.76);
  font-size: 14px;
}

.section { padding: 76px 0; }
.section--wash { background: var(--wash); }
.section--blue { background: var(--nw-blue); color: var(--white); }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(260px, 0.42fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 30px;
}
.section-head h2, .split h2, .form-panel h2, .faq h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(31px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: 0;
}
.section--blue .section-head h2, .section--blue .section-head p { color: var(--white); }
.section-head p, .lead {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.58;
}
.section--blue .section-head p { color: rgba(255,255,255,0.82); }

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card {
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(0,61,121,0.08);
}
.card--dark { background: var(--nw-blue-dark); border-color: rgba(255,255,255,0.12); color: var(--white); }
.card h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.18;
}
.card--dark h3 { color: var(--white); }
.card p { margin: 0; color: var(--body); }
.card--dark p { color: rgba(255,255,255,0.78); }
.tag {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--mint);
  color: var(--nw-blue);
  font-size: 12px;
  font-weight: 800;
}
.tag--amber { background: var(--amber); color: #6b4b00; }

.symptom-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.symptom {
  display: grid;
  grid-template-columns: minmax(0, 0.36fr) minmax(0, 0.64fr);
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}
.symptom strong { color: var(--ink); font-family: var(--font-display); line-height: 1.22; }
.symptom span { color: var(--body); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.48fr) minmax(0, 0.52fr);
  gap: 42px;
  align-items: center;
}
.image-panel {
  min-height: 460px;
  border-radius: 8px;
  background: url("assets/nw-iaq-report-review.jpg") center / cover no-repeat;
  box-shadow: 0 18px 46px rgba(0,61,121,0.16);
}
.report-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 28px;
  box-shadow: 0 10px 28px rgba(0,61,121,0.08);
}
.report-box h3 {
  margin: 0 0 14px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 25px;
  line-height: 1.16;
}

.compare {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.compare-card {
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
}
.compare-card strong {
  display: block;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.15;
}
.compare-card p { color: rgba(255,255,255,0.78); }
.compare-card--best { background: var(--white); border-color: var(--white); color: var(--nw-blue); }
.compare-card--best strong { color: var(--ink); }
.compare-card--best p { color: var(--body); }

.standards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.standard {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}
.standard strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1.1;
}
.standard span { display: block; margin-top: 8px; color: var(--body); font-size: 14px; }
.source-note { margin-top: 18px; color: var(--muted); font-size: 13px; }

.form-section { background: var(--wash); padding: 76px 0; }
.form-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(280px, 0.42fr);
  gap: 28px;
  align-items: start;
}
.form-panel, .aside-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(0,61,121,0.08);
}
.form-panel { padding: 30px; }
.aside-panel { padding: 26px; }
.form-panel h2 { margin-bottom: 12px; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 22px; }
.field { display: grid; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { color: var(--ink); font-weight: 800; font-size: 14px; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid #C9D2DF;
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  padding: 12px 13px;
}
.field textarea { min-height: 118px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 3px solid rgba(200,16,46,0.20);
  border-color: var(--nw-red);
}
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 22px; }
.note { margin: 0; color: var(--muted); font-size: 13px; }
.note a { color: var(--nw-blue); font-weight: 800; }
.hidden { display: none; }
.aside-panel h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.15;
}
.aside-panel p, .aside-panel li { color: var(--body); }
.aside-panel ul { margin: 0; padding-left: 18px; display: grid; gap: 10px; }

.faq { padding: 76px 0; }
.faq-grid { display: grid; grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr); gap: 36px; align-items: start; }
.faq-list { display: grid; gap: 10px; }
details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}
summary {
  cursor: pointer;
  padding: 18px 20px;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 800;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
details[open] summary { border-bottom: 1px solid var(--line); }
.faq-answer { padding: 18px 20px; color: var(--body); }

.cta {
  background: var(--nw-blue-dark);
  color: var(--white);
  padding: 66px 0;
}
.cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) auto;
  gap: 28px;
  align-items: center;
}
.cta h2 {
  margin: 0;
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.08;
}
.cta p { margin: 14px 0 0; color: rgba(255,255,255,0.82); max-width: 720px; }

.footer {
  padding: 30px 0;
  background: var(--white);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
.footer__inner { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.footer a { color: var(--nw-blue); font-weight: 800; }

.callbar {
  display: none;
  position: sticky;
  bottom: 0;
  z-index: 90;
  background: var(--white);
  border-top: 1px solid var(--line);
  box-shadow: 0 -8px 22px rgba(0,0,0,0.10);
}
.callbar a, .callbar button {
  flex: 1;
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 800;
}
.callbar a { background: var(--nw-blue); }
.callbar button, .callbar .callbar__request { background: var(--nw-red); }

.thanks-shell { padding: 72px 0 84px; background: var(--wash); }
.thanks {
  max-width: 780px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 42px;
  box-shadow: 0 14px 34px rgba(0,61,121,0.10);
}
.thanks h1 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 54px);
  line-height: 1.05;
}
.thanks p { color: var(--body); }
.thanks-steps { display: grid; gap: 12px; margin: 28px 0; }
.thanks-step {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  color: var(--ink);
  font-weight: 700;
}
.thanks-step::before { content: ""; width: 10px; height: 10px; margin-top: 8px; border-radius: 50%; background: var(--nw-red); }

@media (max-width: 980px) {
  .hero__inner, .section-head, .split, .form-grid, .faq-grid, .cta__inner { grid-template-columns: 1fr; }
  .hero__inner { min-height: auto; align-items: start; }
  .trust-strip__grid, .card-grid, .standards, .compare { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .image-panel { min-height: 340px; }
}

@media (max-width: 680px) {
  .lp-wrap { width: min(100% - 28px, var(--max)); }
  .lp-bar__inner { padding: 10px 14px; gap: 10px; }
  .lp-bar__logo img { width: clamp(132px, 42vw, 190px); }
  .lp-bar__cta { min-height: 42px; padding: 10px 12px; font-size: 14px; }
  .lp-bar__phone-label { display: none; }
  .hero__inner { padding: 68px 0 42px; }
  .hero-card { padding: 20px; }
  .section, .form-section, .faq { padding: 56px 0; }
  .trust-strip__grid, .card-grid, .symptom-grid, .standards, .compare, .field-grid { grid-template-columns: 1fr; }
  .symptom { grid-template-columns: 1fr; gap: 8px; }
  .actions, .btn, .form-actions { width: 100%; }
  .form-panel, .aside-panel, .thanks { padding: 24px; }
  .callbar { display: flex; }
}

@media (max-width: 420px) {
  .lp-bar__cta { font-size: 13px; padding: 9px 10px; }
  .hero h1 { font-size: 39px; }
}