/* CAMEC JCB — Design System
   Industrial B2B heavy-equipment site
   Mockup version — Tailwind-augmented base styles */

:root {
  --camec-yellow: #FFB81C;
  --camec-yellow-dark: #E5A115;
  --camec-black: #0A0A0A;
  --camec-charcoal: #1A1A1A;
  --camec-steel: #2B2B2B;
  --camec-gray-50: #FAFAFA;
  --camec-gray-100: #F4F4F5;
  --camec-gray-200: #E4E4E7;
  --camec-gray-400: #A1A1AA;
  --camec-gray-600: #52525B;
  --camec-gray-700: #3F3F46;
  --camec-text: #18181B;
  --camec-muted: #6B7280;

  --shadow-card: 0 1px 2px rgba(10,10,10,0.04), 0 4px 16px rgba(10,10,10,0.06);
  --shadow-card-hover: 0 4px 8px rgba(10,10,10,0.06), 0 16px 40px rgba(10,10,10,0.12);
  --shadow-yellow: 0 8px 24px rgba(255,184,28,0.35);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 22px;

  --font-display: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--camec-text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--camec-black);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--camec-yellow-dark);
}

.eyebrow-light {
  color: var(--camec-yellow);
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  font-weight: 700; font-size: 15px;
  border-radius: var(--radius-md);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  text-decoration: none;
  white-space: nowrap;
  border: none; cursor: pointer;
}
.btn-primary {
  background: var(--camec-yellow);
  color: var(--camec-black);
  box-shadow: var(--shadow-yellow);
}
.btn-primary:hover { background: var(--camec-yellow-dark); transform: translateY(-1px); }
.btn-dark {
  background: var(--camec-black);
  color: #fff;
}
.btn-dark:hover { background: var(--camec-charcoal); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--camec-black);
  border: 2px solid var(--camec-black);
}
.btn-outline:hover { background: var(--camec-black); color: #fff; }
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline-light:hover { background: #fff; color: var(--camec-black); border-color: #fff; }
.btn-sm { padding: 10px 16px; font-size: 14px; }
.btn-lg { padding: 18px 28px; font-size: 16px; }

/* Cards */
.eq-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease;
  display: flex; flex-direction: column;
  border: 1px solid var(--camec-gray-200);
}
.eq-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: var(--camec-yellow); }

.eq-card .media {
  aspect-ratio: 4/3;
  background: var(--camec-gray-100);
  position: relative;
  overflow: hidden;
}
.eq-card .media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.eq-card:hover .media img { transform: scale(1.04); }

.brand-tag {
  position: absolute; top: 12px; left: 12px;
  background: rgba(10,10,10,0.85);
  color: #fff;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 10px;
  border-radius: 999px;
  text-transform: uppercase;
}

/* Navigation */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--camec-gray-200);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.nav a.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav a.brand .logo-mark {
  width: 38px; height: 38px;
  background: var(--camec-yellow);
  border-radius: 8px;
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--camec-black);
  font-size: 14px;
  letter-spacing: -0.04em;
}
.nav a.brand .brand-text {
  display: flex; flex-direction: column; line-height: 1;
}
.nav .brand-text strong { font-family: var(--font-display); font-weight: 800; font-size: 18px; color: var(--camec-black); }
.nav .brand-text small { font-size: 10px; letter-spacing: 0.2em; color: var(--camec-muted); margin-top: 3px; text-transform: uppercase;}

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 14px; font-weight: 600; color: var(--camec-text);
  text-decoration: none; position: relative;
}
.nav-links a:hover { color: var(--camec-yellow-dark); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -8px;
  height: 3px; background: var(--camec-yellow); border-radius: 2px;
}

.nav-cta { display: flex; gap: 10px; align-items: center; }

.mobile-toggle { display: none; }

@media (max-width: 1024px) {
  .nav-links, .nav-cta .btn { display: none; }
  .mobile-toggle { display: inline-flex; }
}

/* Sticky mobile CTA bar */
.mobile-cta-bar {
  display: none;
}
@media (max-width: 768px) {
  .mobile-cta-bar {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--camec-black);
    z-index: 40;
    padding: 8px;
    gap: 6px;
  }
  .mobile-cta-bar a {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 8px 4px;
    color: #fff; font-size: 11px; font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
  }
  .mobile-cta-bar a.primary { background: var(--camec-yellow); color: var(--camec-black); }
  .mobile-cta-bar a svg { width: 20px; height: 20px; margin-bottom: 2px; }
  body { padding-bottom: 72px; }
}

/* Containers */
.container-x { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container-x { padding: 0 16px; } }

/* Section spacing */
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-sm { padding: 40px 0; }
}

/* Hero */
.hero {
  position: relative;
  background: #0A0A0A;
  color: #fff;
  overflow: hidden;
  padding: 140px 0 120px;
  min-height: 640px;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("img/hero.jpg");
  background-size: cover;
  background-position: center right;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,10,10,0.78) 0%, rgba(10,10,10,0.45) 45%, rgba(10,10,10,0.05) 75%, rgba(10,10,10,0) 100%);
}
@media (max-width: 768px) {
  .hero {
    padding: 80px 0 60px;
    min-height: 560px;
  }
  .hero::after {
    background: linear-gradient(180deg, rgba(10,10,10,0.85) 0%, rgba(10,10,10,0.55) 45%, rgba(10,10,10,0.7) 100%);
  }
}
.hero-inner { position: relative; z-index: 2; }
.hero h1 {
  color: #fff;
  font-size: clamp(36px, 5.5vw, 72px);
  max-width: 500px;
  margin: 18px 0 24px;
}
.hero h1 .accent { color: var(--camec-yellow); }
.hero p.lede {
  font-size: clamp(16px, 1.4vw, 20px);
  max-width: 520px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
}

/* Trust strip */
.trust-strip {
  background: var(--camec-black);
  color: rgba(255,255,255,0.7);
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.trust-strip .row {
  display: flex; flex-wrap: wrap; gap: 40px 64px;
  align-items: center; justify-content: center;
}
.trust-strip .brand-lockup {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 800;
  font-size: 22px; color: rgba(255,255,255,0.9);
  letter-spacing: -0.02em;
}
.trust-strip .brand-lockup small { font-size: 10px; font-weight: 600; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.2em; display: block; margin-top: 2px;}

/* Stats */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat .num {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 68px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--camec-black);
  line-height: 1;
}
.stat .num .unit { color: var(--camec-yellow); }
.stat .label { color: var(--camec-muted); font-size: 14px; margin-top: 8px; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
@media (max-width: 768px) { .stats-row { grid-template-columns: repeat(2,1fr); gap: 32px;} }

/* Why us pillars */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pillar {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--camec-gray-200);
  border-radius: var(--radius-lg);
  transition: all .2s ease;
}
.pillar:hover { border-color: var(--camec-yellow); transform: translateY(-3px); }
.pillar .icon {
  width: 48px; height: 48px;
  background: var(--camec-yellow);
  border-radius: 10px;
  display: grid; place-items: center;
  margin-bottom: 16px;
  color: var(--camec-black);
}
.pillar h3 { font-size: 18px; margin: 0 0 8px; }
.pillar p { color: var(--camec-muted); font-size: 14px; line-height: 1.5; margin: 0; }
@media (max-width: 1024px) { .pillars { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 640px) { .pillars { grid-template-columns: 1fr;} }

/* Footer */
.footer {
  background: var(--camec-black);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 24px;
}
.footer h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: 0.14em; margin-bottom: 16px;}
.footer a { color: rgba(255,255,255,0.7); text-decoration: none; display: block; padding: 4px 0; font-size: 14px;}
.footer a:hover { color: var(--camec-yellow); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr; gap: 40px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr;} }
@media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr;} }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 60px; padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,0.45); }

/* Lead form section */
.lead-band {
  background: var(--camec-yellow);
  color: var(--camec-black);
  padding: 80px 0;
}
.lead-band h2 { font-size: clamp(32px, 4vw, 52px); margin: 0 0 12px; }
.lead-band p.lede { font-size: 18px; max-width: 540px; margin: 0 0 24px; }

.lead-form {
  background: var(--camec-black);
  border-radius: var(--radius-xl);
  padding: 36px;
  color: #fff;
}
.lead-form label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255,255,255,0.7); display: block; margin-bottom: 6px; }
.lead-form input, .lead-form select, .lead-form textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  margin-bottom: 16px;
}
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus { outline: none; border-color: var(--camec-yellow); }
.lead-form .row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 540px) { .lead-form .row-2 { grid-template-columns: 1fr; } }

/* Testimonial */
.quote-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--camec-gray-200);
  position: relative;
}
.quote-card::before {
  content: """;
  position: absolute; top: -10px; left: 28px;
  font-family: var(--font-display);
  font-size: 120px;
  color: var(--camec-yellow);
  line-height: 1;
}
.quote-card p { font-size: 18px; line-height: 1.6; color: var(--camec-charcoal); margin: 0 0 24px; }
.quote-card .author { display: flex; align-items: center; gap: 12px; }
.quote-card .avatar { width: 48px; height: 48px; border-radius: 50%; background: var(--camec-gray-200); }
.quote-card .author strong { display: block; color: var(--camec-black); }
.quote-card .author span { color: var(--camec-muted); font-size: 13px; }

/* Project tiles */
.project-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 16px; height: 600px;}
.project-tile {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #222;
  color: #fff;
}
.project-tile img { width: 100%; height: 100%; object-fit: cover;}
.project-tile .meta {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 24px;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
}
.project-tile h4 { color: #fff; font-size: 18px; margin: 0 0 4px; }
.project-tile span { font-size: 12px; color: var(--camec-yellow); letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700; }
.project-tile.large { grid-row: span 2; }
@media (max-width: 900px) { .project-grid { grid-template-columns: 1fr 1fr; grid-template-rows: repeat(3, 240px); height: auto;} .project-tile.large { grid-row: span 1; grid-column: span 2; } }
@media (max-width: 540px) { .project-grid { grid-template-columns: 1fr; grid-template-rows: repeat(5, 220px); } .project-tile.large { grid-column: span 1; } }

/* Equipment category hero / filter */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 32px;}
.filter-chip {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--camec-gray-100);
  font-size: 13px; font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s ease;
  color: var(--camec-text);
}
.filter-chip:hover { background: #fff; border-color: var(--camec-gray-200);}
.filter-chip.active { background: var(--camec-black); color: #fff; }

/* Spec table */
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table tr { border-bottom: 1px solid var(--camec-gray-200); }
.spec-table td { padding: 14px 0; font-size: 15px;}
.spec-table td:first-child { color: var(--camec-muted); width: 50%;}
.spec-table td:last-child { color: var(--camec-black); font-weight: 600; text-align: right;}

/* Badge */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.badge-yellow { background: var(--camec-yellow); color: var(--camec-black); }
.badge-green { background: #DCFCE7; color: #166534; }
.badge-blue { background: #DBEAFE; color: #1E40AF; }
.badge-gray { background: var(--camec-gray-100); color: var(--camec-gray-700); }

/* Section header */
.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center;}
.section-head.left { text-align: left; margin-left: 0;}
.section-head h2 { font-size: clamp(32px, 4vw, 52px); margin: 12px 0 16px; }
.section-head p { font-size: 18px; color: var(--camec-muted); line-height: 1.6;}

/* Utilities */
.text-muted { color: var(--camec-muted); }
.text-yellow { color: var(--camec-yellow-dark); }
.bg-soft { background: var(--camec-gray-50); }
.bg-dark { background: var(--camec-black); color: #fff;}
.bg-dark h1, .bg-dark h2, .bg-dark h3 { color: #fff; }
.bg-dark .text-muted { color: rgba(255,255,255,0.7);}
.divider-line { height: 1px; background: var(--camec-gray-200); border: none; margin: 0;}

/* Accordion */
.accordion details {
  border-bottom: 1px solid var(--camec-gray-200);
  padding: 20px 0;
}
.accordion summary {
  font-weight: 700; font-size: 18px; cursor: pointer;
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.accordion summary::-webkit-details-marker { display: none;}
.accordion summary::after {
  content: "+";
  font-size: 24px; color: var(--camec-yellow-dark);
  transition: transform .2s;
}
.accordion details[open] summary::after { content: "−";}
.accordion details p { margin: 12px 0 0; color: var(--camec-muted); line-height: 1.6;}