/* GSC Tech Tools — site stylesheet
   Palette: warm ivory base with a copper accent, dark footer for grounding. */

:root {
  --bg: #faf8f4;
  --surface: #ffffff;
  --surface-alt: #f2ede4;
  --text: #201f1d;
  --text-muted: #6b6560;
  --accent: #c1631f;
  --accent-dark: #9c4e17;
  --line: #e6e0d5;
  --dark: #201d1a;
  --dark-muted: #b9b2a8;
  --radius: 10px;
  --max-width: 1180px;
  --shadow: 0 4px 20px rgba(32, 31, 29, 0.06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 16px; color: var(--text-muted); }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 10px;
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--surface-alt);
}

.section-header {
  max-width: 640px;
  margin-bottom: 40px;
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--text);
  color: var(--text);
}
.btn-outline:hover { background: var(--text); color: #fff; }

.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.btn-outline-light:hover { background: #fff; color: var(--dark); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand img { height: 48px; width: auto; }

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-dark);
  border-color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
}

/* Hero */
.hero {
  padding: 88px 0 72px;
  background: linear-gradient(180deg, var(--surface-alt) 0%, var(--bg) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 { margin-bottom: 20px; }
.hero .lead { font-size: 1.15rem; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; margin-top: 28px; flex-wrap: wrap; }

.hero-visual {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Page header (interior pages) */
.page-header {
  padding: 56px 0 48px;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--line);
}
.page-header .breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.page-header .breadcrumb a { color: var(--accent-dark); font-weight: 600; }

/* Cards / grids */
.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent-dark);
}
.card-icon svg { width: 26px; height: 26px; }

.card h3 { margin-bottom: 10px; }
.card p { margin-bottom: 12px; }
.card .card-link {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-dark);
}

/* Strip / trust bar */
.trust-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 32px 0;
}
.trust-strip .grid {
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.stat-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface-alt);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}
.stat-icon svg { width: 22px; height: 22px; }
.stat-text { text-align: left; }
.stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Distributor logo cards */
.distributor-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}
.distributor-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 28px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.distributor-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.distributor-card img {
  height: 34px;
  width: auto;
}
.distributor-card .label {
  border-left: 1px solid var(--line);
  padding-left: 16px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Process steps */
.process-list {
  counter-reset: step;
  display: grid;
  gap: 20px;
}
.process-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.process-step .num {
  counter-increment: step;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

/* CTA banner */
.cta-banner {
  background: var(--dark);
  color: #fff;
  padding: 56px 0;
  border-radius: var(--radius);
}
.cta-banner h2 { color: #fff; margin-bottom: 8px; }
.cta-banner p { color: var(--dark-muted); margin-bottom: 0; }
.cta-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: var(--dark-muted);
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand img { height: 42px; margin-bottom: 14px; }
.footer-brand p { color: var(--dark-muted); max-width: 280px; }
.footer-col h4 {
  color: #fff;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--dark-muted); font-size: 0.92rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
}
.credit {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--dark-muted);
  transition: color 0.15s ease;
}
.credit:hover { color: #fff; }
.credit img { height: 15px; width: auto; }

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-info-item .card-icon { margin-bottom: 0; flex-shrink: 0; }

form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 6px;
}
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--surface);
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}
textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.form-error {
  background: #fdf1ea;
  border: 1px solid var(--accent);
  color: var(--accent-dark);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.9rem;
  margin-bottom: 18px;
}
.form-error a { text-decoration: underline; }

/* Category grid (CNC tooling) */
.category-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.category-card .category-image {
  height: 150px;
  overflow: hidden;
}
.category-card .category-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.category-card:hover .category-image img {
  transform: scale(1.05);
}
.category-card .category-head {
  padding: 22px 24px 16px;
  border-bottom: 1px solid var(--line);
}
.category-card ul {
  list-style: none;
  margin: 0;
  padding: 16px 24px 22px;
}
.category-card li {
  padding: 7px 0;
  font-size: 0.92rem;
  color: var(--text-muted);
  border-bottom: 1px dashed var(--line);
}
.category-card li:last-child { border-bottom: none; }

/* Industries */
.industry-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.industry-card .industry-image {
  height: 170px;
  overflow: hidden;
}
.industry-card .industry-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.industry-card:hover .industry-image img {
  transform: scale(1.05);
}
.industry-card .industry-body {
  padding: 24px 28px 28px;
}
.industry-card .eyebrow { margin-bottom: 6px; }

/* Compact industry tiles (home page preview) */
.industry-tile {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
}
.industry-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.industry-tile:hover img { transform: scale(1.06); }
.industry-tile .tile-label {
  position: absolute;
  inset: auto 0 0 0;
  padding: 14px 16px;
  background: linear-gradient(0deg, rgba(0,0,0,0.62), transparent);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
}

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; padding: 24px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .trust-strip .grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1100px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 82px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 20px 24px 28px;
    gap: 18px;
  }
}

@media (max-width: 720px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-banner-inner { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}