:root {
  --ink: #15191d;
  --muted-ink: #56606b;
  --paper: #fbfbf8;
  --soft: #eef1ef;
  --line: #d9ded9;
  --accent: #e0b33f;
  --accent-dark: #b98518;
  --deep: #26352f;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(21, 25, 29, 0.12);
}

* { 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: 1.6;
}

a { color: inherit; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 5vw, 64px);
  background: rgba(251, 251, 248, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(217, 222, 217, 0.8);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 6px;
  background: var(--deep);
  color: var(--accent);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.2;
}

.brand small { color: var(--muted-ink); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  color: var(--muted-ink);
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  padding: 10px;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: calc(100svh - 76px);
  overflow: hidden;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(21, 25, 29, 0.88), rgba(38, 53, 47, 0.76)),
    radial-gradient(circle at 82% 28%, rgba(224, 179, 63, 0.44), transparent 30%),
    linear-gradient(135deg, #26352f 0%, #15191d 100%);
  color: var(--white);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(780px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 96px);
  padding: 70px 0;
}

.hero h1,
.subhero h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(2.45rem, 6vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy,
.subhero p {
  max-width: 640px;
  margin: 24px 0 0;
  font-size: clamp(1.02rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.82);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-dark);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0;
}

.hero .eyebrow,
.cta-section .eyebrow,
.subhero .eyebrow { color: var(--accent); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border: 0;
  border-radius: 6px;
  font-weight: 800;
  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: #1f1b10;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

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

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 32px 0 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.82);
}

.hero-points li {
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-visual {
  position: absolute;
  inset: 0;
  opacity: 0.85;
}

.circuit {
  position: absolute;
  border: 2px solid rgba(224, 179, 63, 0.44);
  border-left: 0;
  border-bottom: 0;
  border-radius: 0 30px 0 0;
}

.circuit::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 8px rgba(224, 179, 63, 0.16);
}

.c1 { width: 42vw; height: 32vh; right: 8vw; top: 18vh; }
.c1::after { right: -7px; top: -7px; }
.c2 { width: 28vw; height: 42vh; right: 18vw; bottom: 8vh; transform: rotate(180deg); }
.c2::after { right: -7px; top: -7px; }
.c3 { width: 18vw; height: 20vh; right: 34vw; top: 47vh; }
.c3::after { right: -7px; top: -7px; }

.section {
  padding: clamp(58px, 9vw, 110px) clamp(18px, 5vw, 64px);
}

.section-grid {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.two-columns {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.section h2,
.cta-section h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1.06;
  letter-spacing: 0;
}

.intro-band {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.section-head {
  width: min(880px, 100%);
  margin: 0 auto 34px;
}

.service-layout,
.work-list,
.info-grid,
.contact-grid,
.service-list,
.faq-list {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.service-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card,
.contact-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.service-card span {
  color: var(--accent-dark);
  font-weight: 900;
}

.service-card h3,
.steps h3,
.contact-panel h2,
.service-list h2 {
  margin: 12px 0 8px;
  line-height: 1.2;
}

.service-card p,
.steps p,
.contact-panel p,
.service-list p,
.copy-block p { color: var(--muted-ink); }

.section-link {
  width: min(1180px, 100%);
  margin: 26px auto 0;
}

.section-link a {
  font-weight: 800;
  color: var(--deep);
}

.muted { background: var(--soft); }

.work-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.work-list div {
  min-height: 62px;
  display: flex;
  align-items: center;
  padding: 16px 18px;
  background: var(--white);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  font-weight: 800;
}

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

.steps div {
  display: grid;
  grid-template-columns: 52px 1fr;
  column-gap: 18px;
  align-items: start;
}

.steps span {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 6px;
  background: var(--deep);
  color: var(--accent);
  font-weight: 900;
}

.steps h3,
.steps p { margin-top: 0; }

.trust-band,
.cta-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.trust-band {
  background: var(--deep);
  color: var(--white);
}

.trust-band p:last-child {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.78);
}

.quick-form {
  width: min(980px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: clamp(20px, 4vw, 34px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.quick-form label {
  display: grid;
  gap: 8px;
  font-weight: 800;
}

.quick-form .full { grid-column: 1 / -1; }

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 13px;
  border: 1px solid #c9d0ca;
  border-radius: 6px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

textarea { resize: vertical; }

.phone-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  font-weight: 800;
  color: var(--deep);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  font-weight: 900;
}

details p {
  color: var(--muted-ink);
  margin-bottom: 0;
}

.cta-section {
  padding: clamp(42px, 7vw, 76px) clamp(18px, 5vw, 64px);
  background: var(--accent);
  color: #17140b;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 28px;
  padding: 34px clamp(18px, 5vw, 64px);
  background: #111513;
  color: rgba(255, 255, 255, 0.82);
}

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

.site-footer p { margin: 6px 0 0; }

.site-footer a,
.site-footer span {
  display: block;
  color: rgba(255, 255, 255, 0.82);
}

.site-footer nav {
  display: grid;
  gap: 6px;
}

.subhero {
  padding: clamp(58px, 10vw, 118px) clamp(18px, 5vw, 64px);
  background:
    linear-gradient(90deg, rgba(21, 25, 29, 0.9), rgba(38, 53, 47, 0.78)),
    radial-gradient(circle at 86% 20%, rgba(224, 179, 63, 0.34), transparent 24%),
    var(--deep);
  color: var(--white);
}

.subhero h1,
.subhero p,
.subhero .eyebrow {
  width: min(920px, 100%);
  margin-left: auto;
  margin-right: auto;
}

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

.service-list article {
  background: var(--white);
  border-top: 4px solid var(--accent);
  border-radius: 8px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.service-list ul {
  padding-left: 20px;
  color: var(--muted-ink);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 6vw, 72px);
  width: min(1180px, 100%);
  margin: 0 auto;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.info-grid div {
  padding: 22px;
  background: var(--white);
  border-radius: 8px;
  border: 1px solid var(--line);
}

.info-grid span {
  display: block;
  color: var(--muted-ink);
  font-size: 0.9rem;
}

.info-grid strong {
  display: block;
  margin-top: 8px;
}

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

.contact-panel dl {
  margin: 0;
  display: grid;
  gap: 16px;
}

.contact-panel dt {
  color: var(--muted-ink);
  font-size: 0.9rem;
}

.contact-panel dd {
  margin: 2px 0 0;
  font-weight: 900;
}

.accent-panel {
  background: var(--deep);
  color: var(--white);
}

.accent-panel p { color: rgba(255, 255, 255, 0.78); }

@media (prefers-reduced-motion: no-preference) {
  .hero-inner {
    animation: heroIn 700ms ease-out both;
  }

  .service-card,
  .work-list div,
  details,
  .contact-panel {
    transition: transform 180ms ease, border-color 180ms ease;
  }

  .service-card:hover,
  .work-list div:hover,
  details:hover,
  .contact-panel:hover {
    transform: translateY(-3px);
    border-color: rgba(224, 179, 63, 0.65);
  }

  .circuit { animation: pulseLine 4.5s ease-in-out infinite; }
}

@keyframes heroIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseLine {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}

@media (max-width: 860px) {
  .site-header {
    min-height: 68px;
    padding: 12px 18px;
  }

  .brand strong { font-size: 0.96rem; }

  .nav-toggle { display: block; }

  .site-nav {
    position: absolute;
    left: 18px;
    right: 18px;
    top: 68px;
    display: none;
    padding: 10px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

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

  .site-nav a { width: 100%; }

  .hero {
    min-height: calc(100svh - 68px);
    align-items: flex-start;
  }

  .hero-inner {
    width: calc(100% - 36px);
    margin: 0 auto;
    padding: 36px 0 34px;
  }

  .hero h1,
  .subhero h1 {
    font-size: clamp(2.25rem, 13vw, 3.55rem);
  }

  .hero-copy,
  .subhero p {
    margin-top: 18px;
  }

  .hero-actions {
    margin-top: 24px;
  }

  .hero-actions .btn,
  .quick-form .btn,
  .phone-link {
    width: 100%;
  }

  .hero-points {
    margin-top: 22px;
  }

  .two-columns,
  .service-layout,
  .work-list,
  .service-list,
  .about-layout,
  .contact-grid,
  .info-grid,
  .quick-form,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .trust-band,
  .cta-section {
    align-items: flex-start;
    flex-direction: column;
  }

  .subhero {
    padding-top: 44px;
  }
}

@media (max-width: 430px) {
  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .hero-inner {
    padding-top: 24px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .section {
    padding-top: 50px;
    padding-bottom: 50px;
  }

  .service-card,
  .service-list article,
  .contact-panel {
    padding: 22px;
  }

  .steps div {
    grid-template-columns: 44px 1fr;
    column-gap: 14px;
  }

  .steps span {
    width: 44px;
    height: 44px;
  }
}