/* ============================================================
   SJC CONCRETE — Industrial Premium design system (v2)
   ============================================================ */

:root {
  --sjc-ink:        #0E1420;
  --sjc-ink-2:      #3D4759;
  --sjc-ink-3:      #6B7588;
  --sjc-line:       #E5E9F0;
  --sjc-line-dark:  rgba(255,255,255,0.10);

  --sjc-dark:       #0E1420;
  --sjc-dark-2:     #161E2D;
  --sjc-dark-3:     #1F2A3E;

  --sjc-blue:       #2C3F5C;
  --sjc-blue-2:     #3D5680;
  --sjc-blue-3:     #5A739E;

  --sjc-yellow:     #F2A02E;
  --sjc-yellow-2:   #FFB94A;
  --sjc-yellow-deep:#D8881A;

  --sjc-paper:      #FFFFFF;
  --sjc-bg-soft:    #F4F6FA;
  --sjc-bg-dim:     #ECEFF5;

  --sjc-font:       'Inter', 'Sarabun', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --sjc-font-disp:  'Inter', 'Sarabun', sans-serif;

  --sjc-shell-max:  1320px;
  --sjc-shell-pad-d:40px;
  --sjc-shell-pad-m:20px;

  --sjc-r-xs: 2px;
  --sjc-r-sm: 4px;
  --sjc-r-md: 8px;
  --sjc-r-lg: 12px;

  --sjc-hdr-h:        84px;
  --sjc-hdr-h-mobile: 64px;
}

.sjc-new, .sjc-new * { box-sizing: border-box; }
.sjc-new {
  margin: 0;
  font-family: var(--sjc-font);
  color: var(--sjc-ink);
  background: var(--sjc-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
  letter-spacing: -0.005em;
  overflow-x: hidden;
}
.sjc-new img { max-width: 100%; height: auto; display: block; }
.sjc-new a { color: inherit; text-decoration: none; }
.sjc-new button { font-family: inherit; cursor: pointer; }

.sjc-shell {
  width: 100%;
  max-width: var(--sjc-shell-max);
  margin: 0 auto;
  padding-left: var(--sjc-shell-pad-d);
  padding-right: var(--sjc-shell-pad-d);
}
@media (max-width: 720px) {
  .sjc-shell { padding-left: var(--sjc-shell-pad-m); padding-right: var(--sjc-shell-pad-m); }
}

/* Section title kit */
.sjc-eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 12px; font-weight: 800;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--sjc-yellow-deep);
}
.sjc-eyebrow::before {
  content: ''; width: 36px; height: 2px;
  background: var(--sjc-yellow);
  display: inline-block;
}
.sjc-eyebrow-light { color: var(--sjc-yellow); }

.sjc-section-title {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--sjc-ink);
  margin: 18px 0 0;
}
.sjc-section-title-light { color: #fff; }

.sjc-section-lead {
  font-size: 17px; line-height: 1.7;
  color: var(--sjc-ink-2);
  margin: 18px 0 0;
  max-width: 62ch;
}
.sjc-section-lead-light { color: rgba(255,255,255,0.78); }

/* Buttons */
.sjc-btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 28px;
  font-size: 14px; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
  border: 0; cursor: pointer; text-decoration: none;
  border-radius: var(--sjc-r-xs);
  transition: transform .2s cubic-bezier(.22,.61,.36,1),
              background .2s, color .2s, border-color .2s;
  line-height: 1; position: relative;
}
.sjc-btn svg { width: 14px; height: 14px; transition: transform .25s; }
.sjc-btn:hover svg { transform: translateX(4px); }

.sjc-btn-primary { background: var(--sjc-yellow); color: var(--sjc-ink); }
.sjc-btn-primary:hover { background: var(--sjc-yellow-2); transform: translateY(-2px); }
.sjc-btn-dark { background: var(--sjc-ink); color: #fff; }
.sjc-btn-dark:hover { background: var(--sjc-dark-3); transform: translateY(-2px); }
.sjc-btn-ghost-light { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.35); }
.sjc-btn-ghost-light:hover { border-color: var(--sjc-yellow); color: var(--sjc-yellow); }
.sjc-btn-ghost-dark { background: transparent; color: var(--sjc-ink); border: 1.5px solid var(--sjc-ink); }
.sjc-btn-ghost-dark:hover { background: var(--sjc-ink); color: #fff; }
.sjc-btn-outline { background: transparent; color: var(--sjc-ink); border: 1.5px solid var(--sjc-line); }
.sjc-btn-outline:hover { border-color: var(--sjc-ink); }

.sjc-arrow-link {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 14px; font-weight: 800;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--sjc-ink); transition: color .2s;
}
.sjc-arrow-link::after {
  content: ''; width: 38px; height: 1px;
  background: currentColor;
  transition: width .25s;
}
.sjc-arrow-link:hover { color: var(--sjc-yellow-deep); }
.sjc-arrow-link:hover::after { width: 56px; }

/* Section */
.sjc-section { position: relative; padding: 120px 0; }
.sjc-section-tight { padding: 80px 0; }
.sjc-section-dark {
  background: var(--sjc-dark);
  color: rgba(255,255,255,0.85);
}
@media (max-width: 720px) {
  .sjc-section { padding: 72px 0; }
  .sjc-section-tight { padding: 52px 0; }
}

/* Yellow stripe divider */
.sjc-stripe {
  position: relative; height: 6px;
  background: var(--sjc-yellow);
}
.sjc-stripe::before {
  content: ''; position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 40%; background: var(--sjc-ink);
}