/* ============================================================
   CROMLIN — site.css
   ------------------------------------------------------------
   Working accent: #b1452b (terra cotta, classic).
   Change --accent in :root to retune the entire site.
   ============================================================ */

:root {
  /* Brand */
  --accent:           #b1452b;
  --accent-hover:     #963a23;
  --accent-fg:        #ffffff;

  /* Ink */
  --ink:              #1a1a1a;
  --ink-soft:         #4a4a4a;
  --ink-mute:         #777777;
  --ink-faint:        #999999;

  /* Surfaces */
  --paper:            #ffffff;
  --topbar-bg:        #f3f1ec;
  --page-bg:          #fafaf7;
  --section-alt:      #f6f3ec;

  /* Lines */
  --hairline:         #e6e3dc;
  --hairline-soft:    #f0ede6;

  /* Tile imagery placeholders */
  --tile-bg-1:        #e8e1d3;
  --tile-bg-2:        #d9d6cd;
  --tile-bg-3:        #e3d9c8;
  --tile-bg-4:        #d4cec1;
  --tile-bg-5:        #e1dac9;
  --tile-bg-6:        #cfc9bb;

  /* Rhythm */
  --container-max:    1280px;
  --container-pad:    24px;
  --section-pad-y:    72px;
  --hover-ease:       160ms ease;
}

/* ============================================================
   Reset
   ============================================================ */

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

html, body { margin: 0; padding: 0; }

body {
  background: var(--page-bg);
  color: var(--ink);
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img, svg { display: block; max-width: 100%; }

/* ============================================================
   Layout helpers
   ============================================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.eyebrow {
  display: inline-block;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-head { margin-bottom: 36px; max-width: 720px; }

.section-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
  line-height: 1.2;
}

.section-sub {
  font-size: 15px;
  color: var(--ink-mute);
  margin: 0;
}

.section-cta { margin-top: 32px; }

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-block;
  padding: 12px 22px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 3px;
  border: 1.5px solid transparent;
  transition: background var(--hover-ease), color var(--hover-ease), border-color var(--hover-ease);
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ============================================================
   TOPBAR — light beige, block-fill hover
   ============================================================ */

.topbar {
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--hairline);
  font-size: 12.5px;
}

.topbar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
  align-items: stretch;
}

.tb-link {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  color: var(--ink-soft);
  border-left: 1px solid var(--hairline);
  transition: background var(--hover-ease), color var(--hover-ease);
}
.tb-link:first-child {
  border-left: none;
  margin-right: auto;
}
.tb-link:not(.tb-static):hover {
  background: var(--accent);
  color: var(--accent-fg);
}
.tb-static { cursor: default; }

.tb-link .ico { width: 13px; height: 13px; }

/* ============================================================
   MAIN NAV — white, block-fill hover
   ============================================================ */

.mainnav {
  background: var(--paper);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
}

.mainnav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: stretch;
  min-height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  padding: 0 28px 0 var(--container-pad);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--ink);
}
.logo-dot {
  color: var(--accent);
  font-weight: 600;
}
.logo-footer {
  padding: 0;
  color: var(--paper);
  margin-bottom: 12px;
}

.navlinks {
  display: flex;
  align-items: stretch;
  margin-left: auto;
  font-size: 14px;
  font-weight: 500;
}

.navlinks a {
  display: flex;
  align-items: center;
  padding: 0 22px;
  color: var(--ink);
  border-left: 1px solid var(--hairline-soft);
  transition: background var(--hover-ease), color var(--hover-ease);
  letter-spacing: 0.01em;
}
.navlinks a:hover {
  background: var(--accent);
  color: var(--accent-fg);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 0 var(--container-pad);
  margin-left: auto;
  color: var(--ink);
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  background: linear-gradient(180deg, #fbf8f1 0%, #f3ede0 100%);
  padding: clamp(56px, 9vw, 100px) 0;
  border-bottom: 1px solid var(--hairline);
}

.hero-inner {
  max-width: 800px;
}

.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 16px;
}

.hero-sub {
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--ink-soft);
  margin: 0 0 28px;
  max-width: 620px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ============================================================
   CATEGORIES — tile grid, border-only hover
   ============================================================ */

.categories {
  padding: var(--section-pad-y) 0;
  background: var(--paper);
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.tile {
  background: var(--paper);
  border: 2px solid var(--hairline);
  border-radius: 3px;
  overflow: hidden;
  transition: border-color var(--hover-ease);
  display: block;
}
.tile:hover { border-color: var(--accent); }

.tile-img {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8a857a;
}
.tile-img svg { width: 40px; height: 40px; opacity: 0.55; }

.tile-bg-1 { background: var(--tile-bg-1); }
.tile-bg-2 { background: var(--tile-bg-2); }
.tile-bg-3 { background: var(--tile-bg-3); }
.tile-bg-4 { background: var(--tile-bg-4); }
.tile-bg-5 { background: var(--tile-bg-5); }
.tile-bg-6 { background: var(--tile-bg-6); }

.tile-label {
  padding: 12px;
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  color: var(--ink);
  border-top: 1px solid var(--hairline-soft);
}

/* ============================================================
   SERVICE SECTIONS — PE / Cutting / EPS
   Each one is fully self-contained. No shared cards across them.
   ============================================================ */

.service-section {
  padding: var(--section-pad-y) 0;
  background: var(--paper);
  border-top: 1px solid var(--hairline);
}
.service-section.service-alt { background: var(--section-alt); }

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

.svc-card {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 3px;
  padding: 28px;
  transition: border-color var(--hover-ease), transform var(--hover-ease);
}
.svc-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.svc-num {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 14px;
}

.svc-card-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 0 0 10px;
  line-height: 1.3;
}

.svc-card p {
  color: var(--ink-mute);
  font-size: 14.5px;
  margin: 0;
}

/* ============================================================
   ABOUT
   ============================================================ */

.about {
  padding: var(--section-pad-y) 0;
  background: var(--paper);
  border-top: 1px solid var(--hairline);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 56px;
  align-items: start;
}

.about-text p {
  color: var(--ink-soft);
  margin: 0 0 14px;
}

.about-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 28px;
  background: var(--section-alt);
  border-left: 3px solid var(--accent);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.meta-num {
  font-size: 32px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  font-feature-settings: "tnum";
}
.meta-label {
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

/* ============================================================
   CONTACT
   ============================================================ */

.contact {
  padding: var(--section-pad-y) 0;
  background: var(--section-alt);
  border-top: 1px solid var(--hairline);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-form {
  background: var(--paper);
  padding: 32px;
  border: 1px solid var(--hairline);
  border-radius: 3px;
}

.form-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}
.form-row label {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}
.req { color: var(--accent); }

.form-row input,
.form-row textarea {
  font-family: inherit;
  font-size: 14.5px;
  color: var(--ink);
  padding: 11px 14px;
  border: 1.5px solid var(--hairline);
  border-radius: 3px;
  background: var(--paper);
  transition: border-color var(--hover-ease);
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-status {
  font-size: 13.5px;
  margin: 14px 0 0;
  min-height: 1.5em;
}
.form-status.ok { color: #1c6e2e; }
.form-status.err { color: #a32d2d; }

.contact-info {
  padding: 4px 0;
}
.ci-title {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 18px;
  color: var(--ink);
}
.ci-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--hairline);
}
.ci-item:last-child { border-bottom: none; }
.ci-label {
  font-size: 11.5px;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.ci-value {
  font-size: 14.5px;
  color: var(--ink);
}
a.ci-value { transition: color var(--hover-ease); }
a.ci-value:hover { color: var(--accent); }

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: #1f1d1a;
  color: #c5c0b7;
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid #2f2c28;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  margin: 0 0 14px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li { margin-bottom: 8px; }
.footer-col a { transition: color var(--hover-ease); }
.footer-col a:hover { color: var(--accent); }
.footer-col p { margin: 0 0 6px; font-size: 14px; }

.footer-blurb { font-size: 14px; line-height: 1.55; max-width: 320px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  font-size: 12.5px;
  color: #888378;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-tech {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1100px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  :root { --section-pad-y: 52px; }

  .topbar-inner { flex-wrap: wrap; }
  .tb-link { padding: 8px 12px; font-size: 12px; }
  .tb-link:first-child { margin-right: 0; padding-left: 12px; }

  .mobile-toggle { display: flex; align-items: center; }

  .navlinks {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--paper);
    border-bottom: 1px solid var(--hairline);
    box-shadow: 0 8px 16px rgba(0,0,0,0.04);
  }
  .navlinks.open { display: flex; }
  .navlinks a {
    border-left: none;
    border-top: 1px solid var(--hairline-soft);
    padding: 14px 20px;
  }

  .service-cards { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 56px 0; }
}

@media (max-width: 560px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .contact-form { padding: 22px; }
}