:root {
  --ink: #171717;
  --muted: #5f646b;
  --line: #dadde2;
  --paper: #f7f7f4;
  --white: #ffffff;
  --accent: #d92818;
  --accent-dark: #a91d12;
  --rubber: #232426;
  --warm: #ece8de;
  --focus: #f4c542;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(247, 247, 244, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--rubber);
  color: var(--white);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  margin-top: -2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
}

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

.header-call {
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
  font-weight: 800;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  padding: 10px 12px;
  font-weight: 800;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  min-height: calc(100svh - 76px);
  padding: clamp(42px, 7vw, 86px) clamp(18px, 5vw, 72px);
  overflow: hidden;
  background:
    linear-gradient(110deg, rgba(23, 23, 23, 0.92), rgba(23, 23, 23, 0.72)),
    repeating-linear-gradient(135deg, #2b2c2f 0 18px, #252629 18px 36px);
  color: var(--white);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -24% 32%;
  height: 46%;
  background: var(--accent);
  transform: skewY(-7deg);
  opacity: 0.9;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow,
.final-cta .eyebrow {
  color: var(--focus);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(38px, 6vw, 72px);
  line-height: 0.98;
  max-width: 860px;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.08;
  margin-bottom: 18px;
}

h3 {
  font-size: 21px;
  line-height: 1.18;
  margin-bottom: 10px;
}

.hero-lead,
.page-hero p {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border: 0;
  border-radius: 6px;
  font: inherit;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.btn-light {
  background: var(--white);
  color: var(--ink);
}

.hero-quick {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.16);
  max-width: 820px;
}

.hero-quick div {
  padding: 16px;
  background: rgba(23, 23, 23, 0.52);
}

.hero-quick span {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-quick strong {
  display: block;
  margin-top: 3px;
  font-size: 15px;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 440px;
}

.tire-ring {
  position: absolute;
  width: min(38vw, 460px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: clamp(44px, 7vw, 82px) solid #0d0d0e;
  box-shadow: inset 0 0 0 18px #3a3b3e, 0 30px 80px rgba(0, 0, 0, 0.4);
}

.rim {
  position: relative;
  width: min(20vw, 240px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, #f3f3f0 0 13%, #aeb4bc 14% 31%, #f0f1ee 32% 44%, #575d64 45% 100%);
  animation: slow-spin 24s linear infinite;
}

.rim span {
  position: absolute;
  top: 48%;
  left: 50%;
  width: 46%;
  height: 8%;
  border-radius: 999px;
  background: #24272b;
  transform-origin: left center;
}

.rim span:nth-child(1) { transform: rotate(0deg); }
.rim span:nth-child(2) { transform: rotate(60deg); }
.rim span:nth-child(3) { transform: rotate(120deg); }
.rim span:nth-child(4) { transform: rotate(180deg); }
.rim span:nth-child(5) { transform: rotate(240deg); }
.rim span:nth-child(6) { transform: rotate(300deg); }

@keyframes slow-spin {
  to { transform: rotate(360deg); }
}

.section,
.page-hero {
  padding: clamp(54px, 8vw, 104px) clamp(18px, 5vw, 72px);
}

.page-hero {
  color: var(--white);
  background:
    linear-gradient(110deg, rgba(23, 23, 23, 0.93), rgba(23, 23, 23, 0.68)),
    repeating-linear-gradient(135deg, #2d2e31 0 20px, #242528 20px 40px);
}

.page-hero h1 {
  max-width: 940px;
}

.page-hero .btn-secondary {
  color: var(--white);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(22px, 6vw, 80px);
  align-items: start;
  background: var(--white);
}

.intro p,
.split p,
.trust p {
  color: var(--muted);
  font-size: 18px;
}

.service-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  padding-top: 0;
  padding-bottom: 0;
  background: var(--ink);
}

.service-strip a {
  padding: clamp(20px, 3vw, 34px);
  color: var(--white);
  text-decoration: none;
  font-weight: 900;
  background: #26272a;
}

.service-strip a:hover {
  background: var(--accent);
}

.grid {
  display: grid;
  gap: 18px;
}

.services-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.services-grid article,
.values article,
.contact-grid article {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.services-grid p,
.values p,
.contact-grid p,
.faq p {
  color: var(--muted);
}

.steps,
.quick-request {
  background: var(--white);
}

.step-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 0;
  margin: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.step-list li {
  padding: 26px;
  background: var(--white);
}

.step-list strong,
.step-list span {
  display: block;
}

.step-list strong {
  margin-bottom: 8px;
  font-size: 20px;
}

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

.trust {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 6vw, 76px);
  align-items: center;
  background: var(--rubber);
  color: var(--white);
}

.trust p {
  color: rgba(255, 255, 255, 0.78);
}

.faq details {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  font-weight: 900;
  font-size: 18px;
}

.quick-request {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 1fr);
  gap: clamp(26px, 6vw, 82px);
  align-items: start;
}

.request-form {
  display: grid;
  gap: 10px;
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.request-form label {
  font-weight: 900;
}

.request-form input,
.request-form select,
.request-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px;
  border: 1px solid #c7cbd1;
  border-radius: 6px;
  font: inherit;
  background: var(--white);
}

.request-form textarea {
  resize: vertical;
}

.phone-link {
  color: var(--accent-dark);
  font-weight: 900;
}

.service-detail {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.service-detail article {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 24px;
  padding: clamp(24px, 4vw, 42px);
  background: var(--white);
}

.service-detail span {
  color: var(--accent);
  font-size: 28px;
  font-weight: 900;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(24px, 6vw, 84px);
  align-items: start;
}

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

.check-list li {
  padding: 15px 0 15px 32px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
}

.values {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.big-link,
.big-text {
  display: block;
  color: var(--ink);
  font-size: clamp(22px, 4vw, 34px);
  line-height: 1.15;
  font-weight: 900;
  text-decoration: none;
}

.big-link:hover {
  color: var(--accent);
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(30px, 5vw, 58px) clamp(18px, 5vw, 72px);
  background: var(--accent);
  color: var(--white);
}

.final-cta p {
  margin: 0;
  font-size: clamp(24px, 4vw, 42px);
  line-height: 1.08;
  font-weight: 900;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 28px;
  padding: 38px clamp(18px, 5vw, 72px);
  background: #111112;
  color: var(--white);
}

.site-footer p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.site-footer a {
  display: block;
  width: fit-content;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--white);
}

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

@media (max-width: 920px) {
  .site-header {
    flex-wrap: wrap;
    gap: 12px;
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    order: 5;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    margin-left: 0;
  }

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

  .header-call {
    order: 4;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 34px;
    padding-bottom: 34px;
  }

  .hero-visual {
    display: none;
  }

  .hero-quick,
  .intro,
  .trust,
  .quick-request,
  .split,
  .values,
  .contact-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .services-grid,
  .service-strip,
  .step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 64px;
    padding: 10px 14px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand strong {
    font-size: 15px;
  }

  .header-call {
    width: 100%;
    text-align: center;
  }

  .hero {
    min-height: auto;
    padding: 26px 16px 28px;
  }

  h1 {
    font-size: 32px;
    line-height: 1.02;
    margin-bottom: 14px;
  }

  .hero-lead,
  .page-hero p {
    font-size: 15px;
  }

  .hero-actions {
    margin-top: 18px;
    gap: 10px;
  }

  .hero-actions .btn,
  .final-cta .btn {
    width: 100%;
  }

  .hero-quick,
  .services-grid,
  .service-strip,
  .step-list {
    grid-template-columns: 1fr;
  }

  .hero-quick {
    margin-top: 18px;
  }

  .hero-quick div {
    padding: 12px;
  }

  .section,
  .page-hero {
    padding: 44px 16px;
  }

  .service-detail article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .final-cta {
    display: block;
  }

  .final-cta .btn {
    margin-top: 18px;
  }
}

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