:root {
  color-scheme: light;
  --bg: #eef0f1;
  --panel: #ffffff;
  --ink: #171a1c;
  --muted: #60666d;
  --line: #d1d6da;
  --green: #00a651;
  --green-dark: #007a3d;
  --green-ink: #003f24;
  --red: #d91f26;
  --steel: #252b31;
  --black: #050607;
  --soft-green: #e5f6ec;
  --shadow: 0 16px 35px rgba(8, 12, 16, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, #f7f8f8 0, var(--bg) 340px),
    var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 4px solid var(--green);
  background: rgba(5, 6, 7, 0.96);
  backdrop-filter: blur(14px);
  color: white;
}

.header-inner,
main,
.site-footer {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 46px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 4px;
  background: var(--green);
  color: var(--black);
  font-weight: 850;
}

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

.brand small {
  color: #b7c1c8;
  font-size: 0.78rem;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #d7dde1;
  font-size: 0.94rem;
}

.top-nav a:hover {
  color: var(--green);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 48px;
  align-items: end;
  padding: 70px 0 48px;
  border-bottom: 1px solid var(--line);
}

.intro-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: 0.98;
  letter-spacing: 0;
  text-transform: uppercase;
}

h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.04rem;
  letter-spacing: 0;
}

.intro-copy > p:not(.eyebrow),
.section-title > p,
.contact p {
  max-width: 710px;
  color: var(--muted);
  font-size: 1.04rem;
}

.intro-actions,
.contact-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0 20px;
  font-weight: 760;
  text-transform: uppercase;
}

.button.primary {
  background: var(--green);
  color: var(--black);
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.16);
}

.button.secondary {
  border-color: #b9c0c5;
  background: white;
  color: var(--steel);
}

.stock-summary {
  display: grid;
  gap: 10px;
}

.stock-summary div {
  border: 1px solid #c8ced2;
  border-left: 5px solid var(--green);
  border-radius: 4px;
  background: var(--panel);
  padding: 18px;
  box-shadow: var(--shadow);
}

.stock-summary strong,
.stock-summary span {
  display: block;
}

.stock-summary strong {
  font-size: 1.28rem;
}

.stock-summary span {
  color: var(--muted);
  font-size: 0.9rem;
}

.catalog,
.process,
.contact {
  padding: 54px 0;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.filters {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 180px 180px;
  gap: 12px;
  margin-bottom: 14px;
  border-top: 4px solid var(--green);
  background: #dde2e5;
  padding: 16px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 720;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid #aeb7bd;
  border-radius: 4px;
  background: white;
  color: var(--ink);
  font: inherit;
  padding: 0 12px;
}

input:focus,
select:focus {
  border-color: var(--green);
  outline: 3px solid rgba(0, 166, 81, 0.2);
}

.result-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 4px 0 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.text-button {
  border: 0;
  background: transparent;
  color: var(--green-dark);
  cursor: pointer;
  font: inherit;
  font-weight: 760;
  text-transform: uppercase;
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.part-card {
  overflow: hidden;
  border: 1px solid #c8ced2;
  border-radius: 4px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.part-image {
  aspect-ratio: 4 / 3;
  background: #d7dcdf;
}

.part-image img,
.image-placeholder {
  width: 100%;
  height: 100%;
}

.part-image img {
  display: block;
  object-fit: cover;
}

.image-placeholder {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  background:
    linear-gradient(135deg, rgba(0, 166, 81, 0.2), rgba(217, 31, 38, 0.11)),
    repeating-linear-gradient(45deg, #eef1f2 0 12px, #dfe5e8 12px 24px);
  color: var(--steel);
  text-align: center;
}

.image-placeholder span {
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.76);
  padding: 4px 10px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 760;
}

.image-placeholder strong {
  font-size: 1.1rem;
}

.part-body {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-top: 4px solid var(--green);
}

.part-topline,
.part-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.part-topline span {
  border-radius: 4px;
  background: var(--soft-green);
  color: var(--green-dark);
  padding: 4px 9px;
  font-size: 0.74rem;
  font-weight: 800;
}

.part-topline span + span {
  background: #f7e4e5;
  color: #9a1720;
}

.part-body p {
  min-height: 72px;
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

dl div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  font-weight: 720;
  text-align: right;
}

.part-footer {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.part-footer strong {
  font-size: 1.2rem;
}

.part-footer a {
  border-radius: 4px;
  background: var(--black);
  color: white;
  padding: 9px 12px;
  font-size: 0.88rem;
  font-weight: 760;
  text-transform: uppercase;
}

.part-footer a:hover {
  background: var(--green);
  color: var(--black);
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 4px;
  background: white;
  padding: 24px;
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.steps article {
  border-top: 4px solid var(--green);
  background: white;
  padding: 20px;
  box-shadow: var(--shadow);
}

.steps span {
  display: block;
  margin-bottom: 18px;
  color: var(--red);
  font-weight: 850;
}

.steps p {
  margin-bottom: 0;
  color: var(--muted);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  border-top: 1px solid var(--line);
}

.contact-panel {
  margin-top: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding: 26px 0 34px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 820px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 14px 0;
  }

  .top-nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .intro,
  .contact {
    grid-template-columns: 1fr;
  }

  .intro {
    padding-top: 46px;
  }

  .filters,
  .parts-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .section-title {
    display: block;
  }

  .part-body p {
    min-height: 0;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .header-inner,
  main,
  .site-footer {
    width: min(100% - 22px, 1160px);
  }

  h1 {
    font-size: 2.25rem;
  }

  .intro-actions,
  .contact-panel,
  .button {
    width: 100%;
  }
}