:root {
  --ink: #1d2424;
  --muted: #5c6663;
  --line: #d9ddd7;
  --paper: #f6f4ef;
  --white: #ffffff;
  --steel: #37413f;
  --moss: #586a5c;
  --copper: #a66f45;
  --mist: #e8ece7;
  --focus: #b46f35;
  --shadow: 0 24px 60px rgba(20, 29, 28, 0.16);
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(29, 36, 36, 0.035) 1px, transparent 1px);
  background-size: 100% 8px;
  z-index: -1;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 10;
  transform: translateY(-180%);
  background: var(--ink);
  color: var(--white);
  padding: 0.65rem 0.9rem;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 8;
  background: rgba(246, 244, 239, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.header-inner,
.section-inner,
.footer-inner {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: clamp(210px, 22vw, 300px);
  height: auto;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  padding: 0.6rem 0.75rem;
  font: inherit;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.4rem 0.7rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 620;
}

.nav-list a[aria-current="page"],
.nav-list a:hover {
  color: var(--ink);
}

.nav-cta {
  margin-left: 0.4rem;
  border: 1px solid var(--ink);
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: end;
  background:
    linear-gradient(90deg, rgba(246, 244, 239, 0.96) 0%, rgba(246, 244, 239, 0.86) 38%, rgba(246, 244, 239, 0.22) 70%),
    linear-gradient(0deg, rgba(29, 36, 36, 0.42), rgba(29, 36, 36, 0.03) 48%),
    url("jakob-commercial-hvac-hero.jpg") center right / cover no-repeat;
}

.hero .section-inner {
  padding: clamp(4rem, 8vw, 7rem) 0 2.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  color: var(--moss);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--copper);
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(3rem, 8vw, 6.6rem);
  font-weight: 780;
}

h2 {
  max-width: 780px;
  font-size: clamp(2rem, 4.5vw, 4rem);
  font-weight: 760;
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.lead {
  max-width: 720px;
  margin: 1.2rem 0 0;
  color: var(--steel);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.hero-actions,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.78rem 1rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  font-weight: 720;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.cred-strip {
  margin-top: clamp(4rem, 12vw, 8rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.44);
  background: rgba(246, 244, 239, 0.86);
  box-shadow: var(--shadow);
}

.cred {
  padding: clamp(1rem, 2.2vw, 1.6rem);
  border-right: 1px solid var(--line);
}

.cred:last-child {
  border-right: 0;
}

.cred strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.cred span {
  color: var(--muted);
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section.white {
  background: var(--white);
}

.section.steel {
  background: var(--steel);
  color: var(--white);
}

.section.steel h2,
.section.steel h3,
.section.steel .lead {
  color: var(--white);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.55fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: end;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.section-head p,
.text-block p {
  margin: 0;
  color: var(--muted);
}

.policy-page h2 {
  margin: 1.45rem 0 0;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 760;
  line-height: 1.65;
}

.policy-page h2 + p {
  margin-top: 0.1rem;
}

.section.steel .section-head p,
.section.steel .text-block p {
  color: rgba(255, 255, 255, 0.78);
}

.positioning-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.58fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.positioning-main .text-block {
  margin-top: clamp(2rem, 4vw, 3.5rem);
}

.positioning-aside {
  display: grid;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-self: stretch;
  padding: clamp(1.4rem, 3vw, 2.4rem);
  background: var(--paper);
  border-left: 1px solid var(--line);
}

.positioning-aside > p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
}

.positioning-aside .quote-panel {
  align-self: center;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.panel,
.service-card,
.contact-card {
  background: var(--white);
  padding: clamp(1.25rem, 2.5vw, 2rem);
}

.section.steel .panel {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.14);
}

.service-card {
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card p,
.panel p,
.contact-card p {
  color: var(--muted);
}

.panel h2,
.contact-card h2 {
  font-size: clamp(1.45rem, 2.5vw, 2rem);
}

.service-card a {
  margin-top: 1.5rem;
  color: var(--ink);
  font-weight: 720;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.number {
  color: var(--copper);
  font-weight: 780;
  margin-bottom: 1.25rem;
}

.list {
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.list li {
  position: relative;
  padding-left: 1.2rem;
  margin-top: 0.65rem;
}

.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--copper);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(300px, 0.5fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.quote-panel {
  border-left: 3px solid var(--copper);
  padding-left: 1.5rem;
}

.quote-panel p {
  margin: 0;
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  line-height: 1.25;
}

.route {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.route-step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1.25rem;
  background: var(--white);
  padding: 1.4rem;
}

.route-step span {
  color: var(--copper);
  font-weight: 780;
}

.page-hero {
  padding: clamp(4rem, 9vw, 8rem) 0 clamp(2.5rem, 6vw, 5rem);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.8rem);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.65fr) minmax(320px, 0.5fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

form {
  display: grid;
  gap: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.38rem;
  color: var(--steel);
  font-weight: 680;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #c8cec7;
  background: #fff;
  color: var(--ink);
  padding: 0.82rem 0.9rem;
  font: inherit;
  border-radius: 0;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.checkbox {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-weight: 520;
  color: var(--muted);
}

.checkbox input {
  width: auto;
  margin-top: 0.35rem;
}

.form-status {
  min-height: 1.5rem;
  color: var(--moss);
  font-weight: 680;
}

.form-status.is-success {
  color: var(--moss);
}

.form-status.is-error {
  color: #9b2c2c;
}

.form-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

form .button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.site-footer {
  background: #18201f;
  color: rgba(255, 255, 255, 0.78);
  padding: 3rem 0;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
}

.footer-inner strong {
  color: var(--white);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom {
  width: min(1160px, calc(100% - 40px));
  margin: 2rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem 1.5rem;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.88rem;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.64);
}

.footer-credit {
  color: rgba(255, 255, 255, 0.56);
}

.placeholder {
  display: inline-block;
  border: 1px dashed #aeb6ae;
  padding: 0.18rem 0.45rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.55);
}

@media (max-width: 920px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 76px;
    display: none;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .site-nav.is-open {
    display: block;
  }

  .nav-list {
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
    padding: 0.7rem 0 1rem;
    display: grid;
    align-items: stretch;
  }

  .nav-list a {
    padding: 0.7rem 0;
  }

  .nav-cta {
    margin-left: 0;
    justify-content: center;
  }

  .section-head,
  .positioning-layout,
  .split,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .positioning-aside {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .grid-4,
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .header-inner,
  .section-inner,
  .footer-inner {
    width: min(100% - 28px, 1160px);
  }

  .brand-logo {
    width: clamp(190px, 58vw, 235px);
  }

  .hero {
    min-height: auto;
    background:
      linear-gradient(180deg, rgba(246, 244, 239, 0.98) 0%, rgba(246, 244, 239, 0.88) 58%, rgba(246, 244, 239, 0.18) 100%),
      url("jakob-commercial-hvac-hero.jpg") center right / cover no-repeat;
  }

  .hero .section-inner {
    padding-top: 3.5rem;
  }

  .cred-strip,
  .grid-4,
  .grid-3,
  .grid-2,
  .form-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .cred {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .cred:last-child {
    border-bottom: 0;
  }

  .route-step {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}