:root {
  --color-ink: #111318;
  --color-graphite: #1c2028;
  --color-muted: #5f6673;
  --color-line: #d8dde5;
  --color-panel: #ffffff;
  --color-soft: #f4f6f8;
  --color-red: #d7192a;
  --color-red-dark: #a50f1d;
  --color-yellow: #f2b705;
  --color-teal: #24747f;
  --shadow-card: 0 18px 40px rgba(17, 19, 24, 0.1);
}

* {
  letter-spacing: 0;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  color: var(--color-ink);
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--color-soft);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
}

.section-pad {
  padding: 96px 0;
}

.section-pad-sm {
  padding: 64px 0;
}

.section-kicker {
  color: var(--color-red);
  font-size: 0.85rem;
  font-weight: 800;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-heading h2,
.intro-section h2,
.climate-section h2,
.faq-section h2,
.contact-section h2 {
  font-size: 2.55rem;
  line-height: 1.12;
  font-weight: 850;
  margin-bottom: 16px;
}

.section-heading p,
.intro-section p,
.faq-section p,
.contact-section p {
  color: var(--color-muted);
  font-size: 1.05rem;
}

.navbar {
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(216, 221, 229, 0.8);
  box-shadow: 0 12px 28px rgba(17, 19, 24, 0.08);
  padding: 10px 0;
  transition: padding 0.2s ease, background 0.2s ease;
}

.navbar.navbar-scrolled {
  padding: 6px 0;
  background: rgba(255, 255, 255, 0.98);
}

.navbar-brand {
  align-items: center;
  color: var(--color-ink);
  display: flex;
  font-weight: 850;
  gap: 12px;
}

.navbar-brand img {
  border: 1px solid var(--color-line);
  height: 46px;
  width: 46px;
  object-fit: contain;
}

.navbar-brand span {
  font-size: 1.02rem;
}

.navbar .nav-link {
  color: var(--color-graphite);
  font-size: 0.94rem;
  font-weight: 700;
  padding: 10px 12px;
}

.navbar .nav-link.active,
.navbar .nav-link:hover {
  color: var(--color-red);
}

.btn {
  align-items: center;
  border-radius: 6px;
  display: inline-flex;
  font-weight: 800;
  gap: 9px;
  justify-content: center;
  padding: 12px 18px;
}

.btn-nav {
  background: var(--color-red);
  color: #fff;
  padding: 10px 15px;
}

.btn-nav:hover,
.btn-primary-action:hover {
  background: var(--color-red-dark);
  color: #fff;
  transform: translateY(-2px);
}

.btn-primary-action {
  background: var(--color-red);
  box-shadow: 0 14px 32px rgba(215, 25, 42, 0.28);
  color: #fff;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn-secondary-action {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn-secondary-action:hover {
  background: #fff;
  color: var(--color-ink);
  transform: translateY(-2px);
}

.hero-section {
  align-items: center;
  background-image: url("../assets/img/hyundai-dpf.jpg");
  background-position: center;
  background-size: cover;
  color: #fff;
  display: flex;
  height: 88vh;
  max-height: 940px;
  min-height: 720px;
  padding: 120px 0 88px;
  position: relative;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(10, 12, 17, 0.9) 0%, rgba(10, 12, 17, 0.78) 44%, rgba(10, 12, 17, 0.18) 100%),
    linear-gradient(0deg, rgba(10, 12, 17, 0.55), rgba(10, 12, 17, 0.1));
  inset: 0;
  position: absolute;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-section h1 {
  font-size: 4.25rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 18px;
}

.hero-lead {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.22rem;
  line-height: 1.65;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 34px;
}

.hero-facts {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 680px;
}

.hero-facts div {
  border-left: 3px solid var(--color-red);
  padding-left: 14px;
}

.hero-facts strong {
  display: block;
  font-size: 1.18rem;
  line-height: 1.1;
}

.hero-facts span {
  color: rgba(255, 255, 255, 0.76);
  display: block;
  font-size: 0.9rem;
  margin-top: 4px;
}

.intro-section {
  background: #fff;
}

.intro-checks {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.intro-checks div {
  align-items: center;
  color: var(--color-graphite);
  display: flex;
  font-weight: 750;
  gap: 10px;
}

.intro-checks i {
  color: var(--color-red);
  font-size: 1.2rem;
}

.image-pair {
  min-height: 430px;
  position: relative;
}

.image-main,
.image-overlap {
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  object-fit: cover;
}

.image-main {
  height: 350px;
  margin-left: auto;
  width: 84%;
}

.image-overlap {
  bottom: 0;
  height: 210px;
  left: 0;
  position: absolute;
  width: 46%;
}

.services-section {
  background: var(--color-soft);
}

.service-card {
  background: #fff;
  border: 1px solid rgba(216, 221, 229, 0.95);
  border-radius: 8px;
  height: 100%;
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-card:hover {
  border-color: rgba(215, 25, 42, 0.35);
  box-shadow: var(--shadow-card);
  transform: translateY(-5px);
}

.service-card i {
  color: var(--color-red);
  display: block;
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.service-card h3,
.work-card h3,
.trust-item h3,
.hours-box h3 {
  font-size: 1.22rem;
  font-weight: 850;
  margin-bottom: 10px;
}

.service-card p,
.work-card p,
.trust-item p {
  color: var(--color-muted);
  margin: 0;
}

.climate-section {
  background-image: url("../assets/img/climate-equipment.jpg");
  background-attachment: fixed;
  background-position: center;
  background-size: cover;
  color: #fff;
  overflow: hidden;
  position: relative;
}

.climate-overlay {
  background:
    linear-gradient(90deg, rgba(17, 19, 24, 0.92) 0%, rgba(17, 19, 24, 0.82) 48%, rgba(17, 19, 24, 0.58) 100%),
    rgba(17, 19, 24, 0.5);
  inset: 0;
  position: absolute;
}

.climate-section p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.07rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.climate-panel {
  background: #fff;
  border-radius: 8px;
  color: var(--color-ink);
  overflow: hidden;
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.28);
}

.climate-panel img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

.climate-panel ul {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 24px;
}

.climate-panel li {
  color: var(--color-graphite);
  display: flex;
  gap: 10px;
}

.climate-panel i {
  color: var(--color-teal);
  flex: 0 0 auto;
}

.work-section {
  background: #fff;
}

.work-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  height: 100%;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.work-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-5px);
}

.work-card img {
  aspect-ratio: 16 / 11;
  object-fit: cover;
  width: 100%;
}

.work-card-body {
  padding: 22px;
}

.work-card span {
  color: var(--color-red);
  display: block;
  font-size: 0.78rem;
  font-weight: 850;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.trust-section {
  background: var(--color-graphite);
  color: #fff;
}

.trust-item {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  height: 100%;
  padding: 28px;
}

.trust-item i {
  color: var(--color-yellow);
  display: block;
  font-size: 2rem;
  margin-bottom: 16px;
}

.trust-item p {
  color: rgba(255, 255, 255, 0.72);
}

.faq-section {
  background: var(--color-soft);
}

.accordion-item {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.accordion-button {
  box-shadow: none;
  font-weight: 850;
  padding: 20px 22px;
}

.accordion-button:not(.collapsed) {
  background: #fff;
  color: var(--color-red);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.2rem rgba(215, 25, 42, 0.2);
}

.accordion-body {
  color: var(--color-muted);
  padding: 0 22px 22px;
}

.contact-section {
  background: #fff;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin: 28px 0;
}

.contact-list a {
  align-items: center;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  color: var(--color-graphite);
  display: flex;
  font-weight: 800;
  gap: 12px;
  padding: 16px;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.contact-list a:hover {
  border-color: rgba(215, 25, 42, 0.4);
  color: var(--color-red);
  transform: translateX(3px);
}

.contact-list i {
  color: var(--color-red);
  font-size: 1.22rem;
}

.hours-box {
  background: var(--color-soft);
  border-radius: 8px;
  padding: 22px;
}

.hours-box div {
  align-items: center;
  border-top: 1px solid var(--color-line);
  display: flex;
  justify-content: space-between;
  padding: 12px 0 0;
  margin-top: 12px;
}

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

.map-wrap {
  background: var(--color-soft);
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  height: 100%;
  min-height: 470px;
  overflow: hidden;
  position: relative;
}

.map-wrap iframe {
  border: 0;
  display: block;
  height: 100%;
  min-height: 470px;
  width: 100%;
}

.site-footer {
  background: var(--color-ink);
  color: #fff;
  padding: 48px 0 22px;
}

.footer-grid {
  align-items: center;
  display: grid;
  gap: 30px;
  grid-template-columns: 1.2fr 1fr 1fr;
}

.footer-grid img {
  background: #fff;
  height: 54px;
  margin-bottom: 14px;
  object-fit: contain;
  width: 90px;
}

.footer-grid p,
.footer-contact span {
  color: rgba(255, 255, 255, 0.68);
  margin: 0;
}

.footer-links,
.footer-contact {
  display: grid;
  gap: 10px;
}

.footer-links a,
.footer-contact a {
  color: #fff;
  font-weight: 750;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-yellow);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.62);
  margin-top: 34px;
  padding-top: 18px;
}

@media (max-width: 991.98px) {
  .section-pad {
    padding: 72px 0;
  }

  .navbar-collapse {
    border-top: 1px solid var(--color-line);
    margin-top: 10px;
    padding-top: 10px;
  }

  .hero-section {
    background-position: 42% center;
    height: auto;
    max-height: none;
    min-height: 820px;
    padding: 112px 0 70px;
  }

  .hero-section h1 {
    font-size: 3.1rem;
  }

  .hero-lead {
    font-size: 1.08rem;
  }

  .section-heading h2,
  .intro-section h2,
  .climate-section h2,
  .faq-section h2,
  .contact-section h2 {
    font-size: 2.05rem;
  }

  .image-pair {
    min-height: 360px;
  }

  .image-main {
    height: 300px;
    width: 88%;
  }

  .image-overlap {
    height: 170px;
    width: 52%;
  }

  .climate-section {
    background-attachment: scroll;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575.98px) {
  .navbar-brand span {
    font-size: 0.96rem;
  }

  .hero-section {
    background-position: 35% center;
    min-height: 860px;
    padding-bottom: 56px;
  }

  .hero-section h1 {
    font-size: 2.45rem;
  }

  .hero-actions {
    display: grid;
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .section-heading {
    text-align: left;
  }

  .section-heading h2,
  .intro-section h2,
  .climate-section h2,
  .faq-section h2,
  .contact-section h2 {
    font-size: 1.72rem;
  }

  .image-pair {
    min-height: auto;
  }

  .image-main,
  .image-overlap {
    height: auto;
    position: static;
    width: 100%;
  }

  .image-overlap {
    margin-top: 16px;
  }

  .hours-box div {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .map-wrap {
    min-height: 360px;
  }
}