/* K&S Industrial Supplies — shared styles
   Palette: neutral steel base; the only chroma comes from the two brands. */

:root {
  --paper: #edeef1;
  --paper-2: #f7f8f9;
  --ink: #151a1e;
  --steel: #5c6873;
  --line: #cbd1d6;
  --festool: #009b4d;
  --tunap: #0b4ea2;

  --brand: var(--steel);

  --gut: clamp(1.25rem, 4vw, 3rem);
  --max: 1240px;

  --f-display: "Saira Condensed", "Arial Narrow", sans-serif;
  --f-body: "IBM Plex Sans", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: var(--gut);
}

.mono {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
}

/* ---------- utility bar ---------- */

.util {
  background: var(--ink);
  color: #9aa6b0;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.util .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  padding-block: 0.55rem;
}
.util a { color: #fff; text-decoration: none; }
.util a:hover { text-decoration: underline; }
.util span::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  margin-right: 0.6rem;
  background: var(--brand);
  vertical-align: 1px;
}

/* ---------- masthead ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.masthead .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.85rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}
.logo .mark { width: 34px; height: 34px; flex: none; }
.logo b {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.28rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1;
}
.logo em {
  display: block;
  font-family: var(--f-mono);
  font-style: normal;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
  margin-top: 2px;
}

.nav { display: flex; gap: clamp(0.9rem, 3vw, 2rem); }
.nav a {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding-block: 0.3rem;
  border-bottom: 2px solid transparent;
}
.nav a:hover { border-bottom-color: var(--brand); }
.nav a[aria-current="page"] { border-bottom-color: var(--brand); }

/* ---------- hero ---------- */

.hero { background: var(--ink); color: var(--paper-2); }
.hero .wrap {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3rem, 8vw, 5.5rem);
  align-items: end;
}
.hero .eyebrow { color: #8b98a3; margin-bottom: 1.4rem; }
.hero h1 {
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 0.94;
  letter-spacing: -0.005em;
  margin: 0 0 1.2rem;
  text-wrap: balance;
}
.hero h1 i { font-style: normal; color: var(--festool); }
.hero p {
  margin: 0;
  max-width: 46ch;
  color: #b9c3cb;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
}

/* brand plates */
.plates { display: grid; gap: 0.75rem; }
.plate {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: #fff;
  padding: 1.15rem 1.25rem;
  background: var(--pc);
  transition: transform 0.18s ease;
}
.plate:hover { transform: translateX(5px); }
.plate--festool { --pc: var(--festool); }
.plate--tunap { --pc: var(--tunap); }
.plate strong {
  display: block;
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: 0.03em;
}
.plate span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.9rem;
  opacity: 0.92;
}
.plate .go {
  align-self: flex-end;
  margin-top: 0.85rem;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- brand page banner ---------- */

.banner { background: var(--brand); color: #fff; }
.banner .wrap { padding-block: clamp(2.5rem, 7vw, 4.5rem); }
.banner .mono { opacity: 0.85; }
.banner h1 {
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(2.6rem, 9vw, 5rem);
  line-height: 0.92;
  margin: 0.9rem 0 0.9rem;
  letter-spacing: 0.01em;
}
.banner p { margin: 0; max-width: 54ch; font-size: 1.05rem; opacity: 0.95; }

/* ---------- sections ---------- */

.section { padding-block: clamp(3rem, 7vw, 5rem); }
.section--alt { background: var(--paper-2); border-block: 1px solid var(--line); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  column-gap: 1.5rem;
  row-gap: 0.35rem;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.7rem;
  margin-bottom: 2rem;
}
.section-head h2 {
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(1.6rem, 3.6vw, 2.3rem);
  line-height: 1.12;
  letter-spacing: 0.02em;
  margin: 0;
  overflow-wrap: break-word;
}
.section-head .mono { color: var(--steel); }

/* ---------- product lists ---------- */

.listing { max-width: 860px; }

.ranges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}

.range-title {
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: 0.03em;
  margin: 0 0 1.1rem;
  padding-bottom: 0.55rem;
  border-bottom: 3px solid var(--brand);
}

.plist { list-style: none; margin: 0; padding: 0; }
.plist li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 1rem;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
}
.plist li.linked { display: block; padding: 0; }
.prow {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 0.6rem 0;
  text-decoration: none;
}
.prow .pname { border-bottom: 1px solid transparent; }
.prow:hover .pname { border-bottom-color: var(--brand); }

.pname { font-weight: 600; }
.ppurp {
  color: var(--steel);
  font-size: 0.92rem;
  text-align: right;
}

.range-more {
  display: inline-block;
  margin-top: 1.1rem;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 2px solid var(--brand);
  padding-bottom: 2px;
}

@media (max-width: 760px) {
  .listing { max-width: 860px; }

.ranges { grid-template-columns: 1fr; }
  .ppurp { text-align: left; }
}

/* ---------- trade counter ---------- */

.counter { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.75rem; }
.counter dt {
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.4rem;
}
.counter dd {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.45;
}
.counter dd a { text-decoration: none; border-bottom: 1px solid var(--line); }
.counter dd a:hover { border-bottom-color: var(--ink); }

/* ---------- enquiry form ---------- */

.form-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.form-intro h2 {
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(1.9rem, 4.5vw, 2.8rem);
  line-height: 0.98;
  margin: 0.8rem 0 0.9rem;
}
.form-intro p { margin: 0; color: var(--steel); max-width: 38ch; }

.field { margin-bottom: 1.1rem; }
.field label {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.35rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.7rem 0.8rem;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: inset 0 -3px 0 var(--brand);
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.hp { position: absolute; left: -9999px; }

.btn {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: var(--ink);
  color: #fff;
  border: 0;
  padding: 0.95rem 2rem;
  cursor: pointer;
  transition: background 0.18s ease;
}
.btn:hover { background: var(--brand); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
  text-decoration: none;
}
.btn--ghost:hover { background: var(--ink); color: #fff; }

.social { background: var(--festool); color: #fff; }
.social-inner {
  display: flex;
  align-items: center;
  gap: 1rem 1.25rem;
  flex-wrap: wrap;
  padding-block: 1.5rem;
  text-decoration: none;
  color: inherit;
}
.social-inner svg { width: 38px; height: 38px; flex: none; }
.social-text { flex: 1 1 260px; }
.social-text strong {
  display: block;
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.7rem;
  line-height: 1;
  letter-spacing: 0.02em;
}
.social-text em {
  display: block;
  font-style: normal;
  font-size: 0.95rem;
  opacity: 0.95;
  margin-top: 0.25rem;
}
.social-go {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 2px solid #fff;
  padding: 0.6rem 1.2rem;
}
.social-inner:hover .social-go { background: #fff; color: var(--festool); }

/* ---------- footer ---------- */

.foot {
  background: var(--ink);
  color: #8b98a3;
  padding-block: 2.5rem;
  font-size: 0.88rem;
}
.foot .wrap { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; }
.foot a { color: #fff; text-decoration: none; }
.foot a:hover { text-decoration: underline; }

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; align-items: start; }
  .form-layout { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .row { grid-template-columns: 1fr; }
  .nav { gap: 0.85rem; }
  .masthead .wrap { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}