.intro-section{background:var(--card);}
.intro-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.intro-text p{font-size:15px;color:var(--silver);line-height:1.8;font-weight:300;margin-bottom:16px;}
.intro-text p strong{color:var(--text);font-weight:600;}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.stat-card{background:rgba(249,115,22,0.07);border:1px solid rgba(249,115,22,0.18);border-radius:12px;padding:24px 20px;text-align:center;}
.stat-value{font-family:'Bebas Neue',sans-serif;font-size:38px;color:var(--orange);letter-spacing:1px;line-height:1;}
.stat-label{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--silver);margin-top:6px;font-weight:600;line-height:1.4;}

.instruments-section{background:#f4f5f7;}
.instruments-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.instrument-card{background:var(--card);border:1px solid rgba(0,0,0,0.10);border-radius:14px;padding:32px 28px;transition:all 0.3s;position:relative;overflow:hidden;}
.instrument-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(249,115,22,0.04) 0%,transparent 60%);opacity:0;transition:opacity 0.3s;}
.instrument-card:hover{border-color:rgba(249,115,22,0.3);transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,0.12);}
.instrument-card:hover::before{opacity:1;}
.instrument-icon{width:56px;height:56px;background:rgba(249,115,22,0.1);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;}
.instrument-name{font-family:'Barlow Condensed',sans-serif;font-size:18px;font-weight:700;letter-spacing:1px;color:#1a1a1a;margin-bottom:10px;text-transform:uppercase;}
.instrument-desc{font-size:13px;color:var(--silver);line-height:1.7;font-weight:300;}
.instrument-badge{display:inline-block;margin-top:14px;font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--orange);background:rgba(249,115,22,0.1);border:1px solid rgba(249,115,22,0.25);border-radius:4px;padding:4px 10px;font-weight:700;}

.calibration-section{background:var(--card);}
.calibration-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.calibration-image{border-radius:16px;overflow:hidden;border:1px solid rgba(249,115,22,0.15);background:rgba(249,115,22,0.04);display:flex;align-items:center;justify-content:center;min-height:280px;}
.calibration-image img{width:100%;height:100%;object-fit:contain;max-height:280px;padding:24px;}
.calibration-points{display:flex;flex-direction:column;gap:16px;margin-top:28px;}
.calibration-point{display:flex;align-items:flex-start;gap:14px;}
.cal-dot{width:8px;height:8px;border-radius:50%;background:var(--orange);flex-shrink:0;margin-top:6px;}
.cal-text strong{font-size:14px;color:var(--text);font-weight:600;display:block;margin-bottom:2px;}
.cal-text span{font-size:13px;color:var(--silver);font-weight:300;}

.process-section{background:#f4f5f7;}
.process-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:8px;}
.process-flow::before{content:'';position:absolute;top:36px;left:calc(12.5% + 20px);right:calc(12.5% + 20px);height:2px;background:linear-gradient(90deg,var(--orange),rgba(249,115,22,0.3));z-index:0;}
.process-step{display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 12px;position:relative;z-index:1;}
.process-num{width:72px;height:72px;border-radius:50%;background:var(--card);border:2px solid var(--orange);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-family:'Bebas Neue',sans-serif;font-size:28px;color:var(--orange);position:relative;}
.process-num::after{content:'';position:absolute;inset:4px;border-radius:50%;background:rgba(249,115,22,0.08);}
.process-step-title{font-family:'Barlow Condensed',sans-serif;font-size:15px;font-weight:700;letter-spacing:1px;color:#1a1a1a;text-transform:uppercase;margin-bottom:8px;}
.process-step-desc{font-size:12px;color:var(--silver);line-height:1.6;font-weight:300;}

.cta-strip{background:linear-gradient(135deg,#0d1525,#141c2b);border-top:1px solid rgba(249,115,22,0.2);border-bottom:1px solid rgba(249,115,22,0.2);padding:64px max(6%, calc((100% - 1680px) / 2));}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-text h3{font-family:'Bebas Neue',sans-serif;font-size:clamp(28px,3vw,40px);color:var(--white);letter-spacing:1px;margin-bottom:6px;}
.cta-text p{font-size:14px;color:var(--silver);font-weight:300;}
.cta-buttons{display:flex;gap:16px;flex-wrap:wrap;align-items:center;}

@media(max-width:1024px){
  .instruments-grid{grid-template-columns:repeat(2,1fr);}
  .intro-inner,.calibration-inner{grid-template-columns:1fr;gap:40px;}
  .process-flow{grid-template-columns:repeat(2,1fr);gap:32px;}
  .process-flow::before{display:none;}
}
@media(max-width:900px){
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .stats-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:600px){
  .instruments-grid{grid-template-columns:1fr;}
  .process-flow{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;}
  .cta-buttons{flex-direction:column;width:100%;}
}