:root {
  --ink: #1D252B;
  --muted: #66747A;
  --paper: #F2F4F5;
  --panel: #FFFFFF;
  --line: #D5DDE0;
  --accent: #315D6B;
  --dark: #1D252B;
  --max: 1240px;
}

* { 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; text-decoration: none; }

p {
  font-size: 16px;
}

.masthead {
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.masthead__line {
  max-width: var(--max);
  margin: 0 auto;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  font-weight: 700;
  letter-spacing: -.03em;
}

.brand__mark {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 34px;
  background: var(--dark);
  color: white;
  font-size: 14px;
  letter-spacing: .08em;
}

.brand__name { font-size: 22px; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 14px;
  font-weight: 700;
}

.nav a { border-bottom: 1px solid transparent; }
.nav a:hover { border-color: var(--ink); }

.masthead__intro {
  max-width: var(--max);
  margin: 0 auto;
  padding: 68px 28px 72px;
  display: block;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: .11em;
  font-size: 16px;
  font-weight: 700;
  color: var(--muted);
}


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

h1 {
  margin-bottom: 12px;
  font-size: clamp(36px, 4vw, 40px);
  line-height: 1.08;
  letter-spacing: -.035em;
  font-weight: 800;
}

.lead {
  max-width: 760px;
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
}

.index-strip {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.index-strip a {
  padding: 19px 14px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  border-right: 1px solid var(--line);
  background: rgba(255,255,255,.28);
}

.index-strip a:last-child { border-right: 0; }
.index-strip a:hover { background: var(--panel); }

.catalog,
.brands,
.buying,
.delivery {
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px 28px;
}

.catalog__heading {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  padding-bottom: 34px;
  border-bottom: 2px solid var(--ink);
}

.catalog__heading > span,
.section-no {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

h2 {
  margin-bottom: 10px;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -.025em;
}

.catalog__rows { border-bottom: 1px solid var(--line); }

.catalog-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 300px;
  gap: 24px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.catalog-row:last-child { border-bottom: 0; }

.catalog-row__number {
  font-size: 14px;
  font-weight: 800;
  color: var(--accent);
}

.catalog-row__content h3 {
  margin-bottom: 10px;
  font-size: 22px;
  letter-spacing: -.025em;
}

.catalog-row__content p {
  max-width: 720px;
  margin-bottom: 0;
  color: #45545A;
}

.catalog-row__tags {
  display: flex;
  justify-content: flex-end;
  align-content: flex-start;
  flex-wrap: wrap;
  gap: 8px;
}

.catalog-row__tags span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  background: var(--panel);
}

.brands {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 70px;
  background: var(--dark);
  color: white;
  max-width: none;
  padding-left: max(28px, calc((100vw - var(--max)) / 2 + 28px));
  padding-right: max(28px, calc((100vw - var(--max)) / 2 + 28px));
}

.brands .eyebrow,
.brands .section-no { color: #9EABB0; }

.brands__copy p:last-child {
  margin: 24px 0 0;
  max-width: 540px;
  color: #DCE3E6;
}

.brand-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #405159;
  border-left: 1px solid #405159;
  align-self: start;
}

.brand-list span {
  min-height: 82px;
  display: flex;
  align-items: center;
  padding: 16px;
  border-right: 1px solid #405159;
  border-bottom: 1px solid #405159;
  font-weight: 700;
  letter-spacing: -.02em;
}

.buying__header {
  max-width: 780px;
  margin-bottom: 46px;
}

.buying__header h2 { margin-top: 8px; }

.buying__columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.buying__columns > div {
  padding: 34px 30px 34px 0;
}

.buying__columns > div + div {
  padding-left: 30px;
  border-left: 1px solid var(--line);
}

.buying__columns h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.buying__columns p {
  margin-bottom: 0;
  color: #4D5B61;
}

.delivery {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 0;
  padding-top: 0;
}

.delivery__panel {
  padding: 52px;
  background: var(--accent);
  color: white;
}

.delivery__panel .eyebrow,
.delivery__panel .section-no { color: rgba(255,255,255,.72); }

.delivery__panel p:last-child {
  max-width: 620px;
  margin: 24px 0 0;
  font-size: 16px;
}

.delivery__facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.delivery__facts div {
  min-height: 150px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.delivery__facts strong {
  font-size: 13px;
  color: var(--muted);
}

.delivery__facts span {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.025em;
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 34px 28px 46px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.footer__brand {
  color: var(--ink);
  font-weight: 700;
}

.footer p { margin: 0; }

@media (max-width: 920px) {
  .masthead__intro {
    grid-template-columns: 1fr;
    padding-top: 56px;
    padding-bottom: 64px;
  }


  .index-strip { grid-template-columns: repeat(3, 1fr); }
  .index-strip a:nth-child(3) { border-right: 0; }
  .index-strip a:nth-child(-n+3) { border-bottom: 1px solid var(--line); }

  .catalog-row {
    grid-template-columns: 46px 1fr;
  }

  .catalog-row__tags {
    grid-column: 2;
    justify-content: flex-start;
  }

  .brands,
  .delivery {
    grid-template-columns: 1fr;
  }

  .buying__columns { grid-template-columns: 1fr; }
  .buying__columns > div,
  .buying__columns > div + div {
    padding: 26px 0;
    border-left: 0;
  }
  .buying__columns > div + div { border-top: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .masthead__line {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav { gap: 14px 18px; }

  .masthead__intro,
  .catalog,
  .buying,
  .delivery {
    padding-left: 18px;
    padding-right: 18px;
  }

  .masthead__intro { padding-top: 44px; padding-bottom: 50px; }

  h1 { font-size: 36px; }

  .index-strip {
    padding: 0;
    grid-template-columns: repeat(2, 1fr);
    border-left: 0;
    border-right: 0;
  }
  .index-strip a,
  .index-strip a:nth-child(3) {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .index-strip a:nth-child(even) { border-right: 0; }

  .catalog__heading {
    grid-template-columns: 40px 1fr;
  }

  .catalog-row {
    grid-template-columns: 34px 1fr;
    gap: 14px;
  }

  .catalog-row__content h3 { font-size: 22px; }

  .brands {
    padding: 70px 18px;
    gap: 42px;
  }

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

  .delivery { padding-top: 0; }
  .delivery__panel { padding: 36px 26px; }
  .delivery__facts div { min-height: 120px; padding: 20px; }

  .footer {
    padding: 28px 18px 38px;
    flex-direction: column;
  }
}