/* ═══════════════════════════════════════════════
   TOKENS
═══════════════════════════════════════════════ */
:root {
  --bg:        #060d10;
  --bg2:       #091419;
  --bg3:       #0d1c22;
  --surface:   #102229;
  --border:    #173140;
  --border2:   #1e4458;
  --teal:      #1097be;
  --teal-dim:  #1e5f7e;
  --teal-glow: rgba(5,113,152,0.35);
  --emerald:   #3a9c51;
  --emerald-dim:#236734;
  --emerald-glow:rgba(58,156,81,0.3);
  --teal-bright:#0d8ab5;
  --red:       #ef4444;
  --white:     #eef6fa;
  --text:      #7ba8bc;
  --text-dim:  #5a9ab8;
  --muted:     #5090aa;
  --display:   'Bebas Neue', sans-serif;
  --label:     'Rajdhani', sans-serif;
  --mono:      'Source Code Pro', monospace;
  --body:      'Lato', sans-serif;
  --radius:    3px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--body);
  font-weight:300;
  line-height:1.65;
  overflow-x:hidden;
}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--teal-dim);border-radius:3px}
::selection{background:rgba(5,113,152,0.3);color:var(--white)}

/* ═══════════════════════════════════════════════
   CANVAS
═══════════════════════════════════════════════ */
#bg-canvas{
  position:fixed;top:0;left:0;
  width:100%;height:100%;
  pointer-events:none;z-index:0;
  opacity:0.18;
}

/* ═══════════════════════════════════════════════
   LANGUAGE TOGGLE
═══════════════════════════════════════════════ */
.lang-toggle{
  display:flex;align-items:center;gap:4px;
  background:var(--bg3);
  border:1px solid var(--border);
  border-radius:2px;
  padding:3px;
}
.lang-btn{
  font-family:var(--mono);font-size:10px;
  letter-spacing:1px;color:var(--text-dim);
  background:transparent;border:none;
  padding:8px 12px;cursor:pointer;
  border-radius:1px;transition:all .2s;
  min-height:36px;
}
.lang-btn.active{background:var(--teal);color:var(--bg);font-weight:600;}

/* ═══════════════════════════════════════════════
   NAV
═══════════════════════════════════════════════ */
nav{
  position:fixed;top:0;left:0;right:0;z-index:200;
  height:62px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 56px;
  background:rgba(7,13,24,0.95);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(16px);
  transition:border-color .3s;
}
nav.scrolled{border-bottom-color:var(--teal-dim)}

.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-icon{
  width:38px;height:38px;
  position:relative;
  display:grid;place-items:center;
}
.logo-icon svg{width:38px;height:38px}
.logo-wordmark{
  font-family:var(--display);
  font-size:26px;letter-spacing:2px;
  line-height:1;
}
.logo-wordmark .ge{color:var(--teal)}
.logo-wordmark .rest{color:var(--white)}
.logo-wordmark .tld{color:var(--text-dim);font-size:18px}

.nav-links{
  display:flex;align-items:center;gap:36px;
  list-style:none;
}
.nav-links a{
  font-family:var(--label);font-size:14px;
  font-weight:600;letter-spacing:1.5px;
  color:var(--text-dim);text-decoration:none;
  transition:color .2s;text-transform:uppercase;
}
.nav-links a:hover{color:var(--teal)}

.nav-right{display:flex;align-items:center;gap:12px}

.btn{
  font-family:var(--label);font-size:13px;
  font-weight:700;letter-spacing:1.5px;
  text-transform:uppercase;
  padding:9px 22px;border-radius:var(--radius);
  cursor:pointer;border:none;
  text-decoration:none;display:inline-flex;
  align-items:center;gap:8px;
  transition:all .2s;
  min-height:44px;
}
.btn-outline{
  background:transparent;
  border:1px solid var(--border);
  color:var(--text);
}
.btn-outline:hover{border-color:var(--teal);color:var(--teal)}
.btn-teal{
  background:var(--teal);color:var(--bg);
  box-shadow:0 0 20px rgba(5,113,152,.35);
}
.btn-teal:hover{background:var(--teal-bright);transform:translateY(-1px)}
.btn-lg{padding:14px 32px;font-size:15px}

/* ═══════════════════════════════════════════════
   MAIN
═══════════════════════════════════════════════ */
main{position:relative;z-index:1;padding-top:62px}

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
.hero{
  min-height:100vh;
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  gap:0;
  padding:0;
  position:relative;
  overflow:hidden;
}

/* PCB texture overlay */
.hero::before{
  content:'';
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 55% 60% at 65% 45%, rgba(5,113,152,.07) 0%, transparent 70%),
    radial-gradient(ellipse 30% 30% at 20% 70%, rgba(13,138,181,.04) 0%, transparent 60%);
  pointer-events:none;
}

.hero-left{
  padding:80px 56px 80px 80px;
  position:relative;
}

.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;
  letter-spacing:2.5px;color:var(--teal);
  margin-bottom:24px;
  padding:6px 14px;
  background:rgba(5,113,152,.08);
  border:1px solid rgba(5,113,152,.2);
  border-radius:2px;
}
.eyebrow-dot{
  width:7px;height:7px;
  border-radius:50%;background:var(--teal);
  animation:pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot{
  0%,100%{box-shadow:0 0 0 0 rgba(5,113,152,.5)}
  50%{box-shadow:0 0 0 6px rgba(5,113,152,0)}
}

.hero-title{
  font-family:var(--display);
  font-size:clamp(72px,7.5vw,112px);
  line-height:.92;
  letter-spacing:1px;
  color:var(--white);
  margin-bottom:6px;
}
.hero-title .line-teal{color:var(--teal);display:block}
.hero-title .line-dim{color:var(--text-dim);display:block;font-size:80%}

.hero-lead{
  font-size:16px;color:var(--text);
  max-width:460px;
  margin:28px 0 36px;
  line-height:1.75;
  border-left:3px solid var(--teal);
  padding-left:20px;
}

.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:56px}

/* Industry badges */
.industries{
  display:flex;flex-wrap:wrap;gap:8px;
}
.ind-badge{
  font-family:var(--mono);font-size:10px;
  letter-spacing:1.5px;
  padding:5px 12px;
  border-radius:2px;
  border:1px solid;
}
.ind-medical{background:rgba(58,156,81,.06);border-color:rgba(58,156,81,.25);color:var(--emerald)}
.ind-military{background:rgba(5,113,152,.06);border-color:rgba(5,113,152,.25);color:var(--teal)}
.ind-avionics{background:rgba(13,138,181,.06);border-color:rgba(13,138,181,.25);color:var(--teal-bright)}
.ind-commercial{background:rgba(148,163,196,.06);border-color:rgba(148,163,196,.2);color:var(--text)}
.ind-label{
  font-family:var(--label);font-size:11px;
  letter-spacing:2px;color:var(--text-dim);
  text-transform:uppercase;margin-bottom:10px;
}

/* HERO RIGHT */
.hero-right{
  height:100%;
  min-height:100vh;
  position:relative;
  background:var(--bg2);
  border-left:1px solid var(--border);
  display:flex;flex-direction:column;
  justify-content:center;
  padding:60px 48px;
  gap:20px;
}

/* Terminal window */
.terminal{
  background:#050c14;
  border:1px solid var(--border2);
  border-radius:6px;
  overflow:hidden;
  font-family:var(--mono);
}
.terminal-bar{
  background:var(--bg3);
  border-bottom:1px solid var(--border);
  padding:10px 16px;
  display:flex;align-items:center;gap:8px;
}
.t-dot{width:10px;height:10px;border-radius:50%}
.t-red{background:#ff5f57}.t-amber{background:#febc2e}.t-green{background:#28c840}
.terminal-bar span{
  font-size:11px;color:var(--text-dim);
  letter-spacing:1px;margin-left:auto;
}
.terminal-body{padding:20px;font-size:12px;line-height:2}
.t-comment{color:#3a5a7a}
.t-keyword{color:var(--teal-bright)}
.t-type{color:var(--teal)}
.t-func{color:var(--emerald)}
.t-string{color:#86efac}
.t-num{color:#fb923c}
.t-cursor{
  display:inline-block;width:8px;height:14px;
  background:var(--teal);animation:blink 1s step-end infinite;
  vertical-align:text-bottom;margin-left:2px;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}

/* Stats strip */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--border);
  border:1px solid var(--border);
}
.stat-cell{
  background:var(--bg2);padding:16px;text-align:center;
}
.stat-val{
  font-family:var(--display);font-size:34px;
  color:var(--white);line-height:1;
}
.stat-val em{color:var(--teal);font-style:normal}
.stat-key{
  font-family:var(--mono);font-size:9px;
  letter-spacing:2px;color:var(--text-dim);
  margin-top:4px;
}

/* Protocol pill row */
.proto-row{display:flex;flex-wrap:wrap;gap:8px}
.proto{
  font-family:var(--mono);font-size:10px;
  letter-spacing:1px;color:var(--text-dim);
  padding:5px 10px;
  background:var(--bg3);
  border:1px solid var(--border);
  border-radius:2px;
}
.proto.active{border-color:var(--teal);color:var(--teal)}
.proto.cyan{border-color:var(--teal-dim);color:var(--teal-bright)}

/* ═══════════════════════════════════════════════
   DIFFERENTIATOR SECTION
═══════════════════════════════════════════════ */
.diff-section{
  padding:80px 80px;
  background:var(--bg2);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.diff-grid{
  display:grid;grid-template-columns:1fr 1fr 1fr;
  gap:1px;background:var(--border);
  border:1px solid var(--border);
}
.diff-card{
  background:var(--bg2);padding:40px 36px;
  position:relative;overflow:hidden;
}
.diff-card::before{
  content:'';position:absolute;
  top:0;left:0;right:0;height:3px;
}
.diff-card.d1::before{background:var(--teal)}
.diff-card.d2::before{background:var(--teal-bright)}
.diff-card.d3::before{background:var(--emerald)}
.diff-number{
  font-family:var(--display);font-size:72px;
  line-height:1;color:var(--muted);
  margin-bottom:16px;
}
.diff-title{
  font-family:var(--label);font-size:22px;
  font-weight:700;letter-spacing:1px;
  color:var(--white);margin-bottom:12px;
  text-transform:uppercase;
}
.diff-desc{font-size:14px;color:var(--text);line-height:1.75}

/* ═══════════════════════════════════════════════
   SECTION UTILITY
═══════════════════════════════════════════════ */
.section{padding:100px 80px;position:relative}
.section-alt{background:var(--bg2)}

.sec-tag{
  font-family:var(--mono);font-size:11px;
  letter-spacing:3px;color:var(--teal);
  display:block;margin-bottom:12px;
}
.sec-title{
  font-family:var(--display);
  font-size:clamp(42px,4.5vw,64px);
  line-height:.95;letter-spacing:.5px;
  color:var(--white);
}
.sec-title .dim{color:var(--text-dim)}
.sec-desc{
  font-size:15px;color:var(--text);
  max-width:520px;margin:16px auto 0;
  line-height:1.75;text-align:center;
}
.sec-head{text-align:center;margin-bottom:60px}

/* ═══════════════════════════════════════════════
   LEARNING PATHS
═══════════════════════════════════════════════ */
.paths-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--border);
  border:1px solid var(--border);
}
.path-card{
  background:var(--bg);padding:36px 32px;
  cursor:pointer;
  position:relative;overflow:hidden;
  transition:background .25s;
}
.path-card:hover{background:var(--bg2)}
.path-card::after{
  content:'';
  position:absolute;bottom:0;left:0;right:0;
  height:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .35s ease;
}
.path-card.p-teal::after{background:var(--teal)}
.path-card.p-cyan::after{background:var(--teal-bright)}
.path-card.p-gold::after{background:var(--emerald)}
.path-card:hover::after{transform:scaleX(1)}

.path-num{
  font-family:var(--display);font-size:56px;
  color:var(--muted);line-height:1;margin-bottom:16px;
}
.path-level{
  font-family:var(--mono);font-size:9px;
  letter-spacing:2px;
  margin-bottom:8px;
}
.p-teal .path-level{color:var(--teal)}
.p-cyan .path-level{color:var(--teal-bright)}
.p-gold .path-level{color:var(--emerald)}

.path-name{
  font-family:var(--label);font-size:26px;
  font-weight:700;letter-spacing:.5px;
  color:var(--white);line-height:1.1;
  text-transform:uppercase;
  margin-bottom:12px;
}
.path-desc{font-size:13px;color:var(--text);line-height:1.7;margin-bottom:24px}

.path-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:24px}
.ptag{
  font-family:var(--mono);font-size:9px;
  letter-spacing:1px;
  padding:3px 8px;
  background:var(--bg3);
  border:1px solid var(--border);
  color:var(--text-dim);
  border-radius:2px;
}
.path-footer{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:20px;border-top:1px solid var(--border);
}
.path-meta{font-family:var(--mono);font-size:10px;color:var(--text-dim);letter-spacing:1px}
.path-caret{
  font-family:var(--mono);font-size:18px;
  color:var(--text-dim);
  transition:transform .2s,color .2s;
}
.path-card:hover .path-caret{transform:translateX(6px)}
.p-teal:hover .path-caret{color:var(--teal)}
.p-cyan:hover .path-caret{color:var(--teal-bright)}
.p-gold:hover .path-caret{color:var(--emerald)}

/* ═══════════════════════════════════════════════
   COURSES
═══════════════════════════════════════════════ */
.filter-bar{
  display:flex;gap:6px;flex-wrap:wrap;
  margin-bottom:36px;
}
.fb{
  font-family:var(--label);font-size:12px;
  font-weight:700;letter-spacing:1.5px;
  text-transform:uppercase;
  padding:10px 18px;
  background:transparent;
  border:1px solid var(--border);
  color:var(--text-dim);
  cursor:pointer;
  border-radius:2px;
  transition:all .2s;
  min-height:44px;
}
.fb.on,.fb:hover{border-color:var(--teal);color:var(--teal);background:rgba(5,113,152,.05)}

.courses-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--border);
  border:1px solid var(--border);
}
.course-card{
  background:var(--bg);
  padding:28px;cursor:pointer;
  transition:background .2s;
  position:relative;
}
.course-card:hover{background:var(--bg2)}

.course-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--mono);font-size:9px;
  letter-spacing:2px;padding:4px 10px;
  border-radius:2px;margin-bottom:14px;
}
.cb-mcu{background:rgba(13,138,181,.08);color:var(--teal-bright);border:1px solid rgba(13,138,181,.2)}
.cb-analog{background:rgba(5,113,152,.08);color:var(--teal);border:1px solid rgba(5,113,152,.2)}
.cb-wireless{background:rgba(58,156,81,.08);color:var(--emerald);border:1px solid rgba(58,156,81,.2)}
.cb-proto{background:rgba(58,156,81,.08);color:var(--emerald);border:1px solid rgba(58,156,81,.2)}
.cb-power{background:rgba(239,68,68,.08);color:var(--red);border:1px solid rgba(239,68,68,.2)}
.cb-pcb{background:rgba(148,163,196,.08);color:var(--text);border:1px solid var(--border)}
.cb-debug{background:rgba(5,113,152,.08);color:var(--teal);border:1px solid rgba(5,113,152,.2)}
.cb-prod{background:rgba(13,138,181,.08);color:var(--teal-bright);border:1px solid rgba(13,138,181,.2)}
.cb-motor{background:rgba(58,156,81,.08);color:var(--emerald);border:1px solid rgba(58,156,81,.2)}

.course-name{
  font-family:var(--label);font-size:20px;
  font-weight:700;color:var(--white);
  line-height:1.2;margin-bottom:8px;
  text-transform:uppercase;
}
.course-desc{font-size:13px;color:var(--text);line-height:1.65;margin-bottom:18px}
.course-meta{
  display:flex;gap:14px;flex-wrap:wrap;
  margin-bottom:18px;
}
.cm{
  font-family:var(--mono);font-size:10px;
  color:var(--text-dim);letter-spacing:1px;
}
.course-footer{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:16px;border-top:1px solid var(--border);
}
.diff-dots{display:flex;gap:3px}
.dd{width:18px;height:3px;border-radius:2px;background:var(--muted)}
.dd.on{background:var(--teal)}
.dd.cyan{background:var(--teal-bright)}
.course-link{
  font-family:var(--mono);font-size:10px;
  letter-spacing:1px;color:var(--teal);
}
.course-link:hover{color:var(--emerald)}

/* ═══════════════════════════════════════════════
   MENTOR — JALEX
═══════════════════════════════════════════════ */
.mentor-wrap{
  display:grid;grid-template-columns:420px 1fr;
  gap:80px;align-items:start;
  max-width:1180px;margin:0 auto;
}
.mentor-left{position:relative}

.portrait{
  background:linear-gradient(145deg, #0c1a2e, #091220);
  border:1px solid var(--border2);
  aspect-ratio:4/5;
  display:grid;place-items:center;
  position:relative;overflow:hidden;
  border-radius:4px;
}
.portrait::before{
  content:'';position:absolute;inset:0;
  background:
    repeating-linear-gradient(45deg,transparent,transparent 22px,rgba(5,113,152,.025) 22px,rgba(5,113,152,.025) 23px),
    repeating-linear-gradient(-45deg,transparent,transparent 22px,rgba(5,113,152,.025) 22px,rgba(5,113,152,.025) 23px);
}
.portrait-emoji{font-size:140px;position:relative;z-index:1;filter:drop-shadow(0 0 40px rgba(5,113,152,.3))}
.portrait-overlay{
  position:absolute;bottom:0;left:0;right:0;
  background:linear-gradient(transparent,rgba(7,13,24,.95));
  padding:24px;z-index:2;
}
.pov-name{
  font-family:var(--display);font-size:28px;
  color:var(--white);letter-spacing:1px;
}
.pov-title{
  font-family:var(--mono);font-size:10px;
  letter-spacing:2px;color:var(--teal);margin-top:4px;
}
.portrait-corners .pc{
  position:absolute;width:22px;height:22px;
  border-color:var(--teal);border-style:solid;
  z-index:3;
}
.pc.tl{top:14px;left:14px;border-width:2px 0 0 2px}
.pc.tr{top:14px;right:14px;border-width:2px 2px 0 0}
.pc.bl{bottom:14px;left:14px;border-width:0 0 2px 2px}
.pc.br{bottom:14px;right:14px;border-width:0 2px 2px 0}

.xp-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:1px;background:var(--border);
  border:1px solid var(--border);
  margin-top:16px;
}
.xp-cell{
  background:var(--bg2);padding:14px;text-align:center;
}
.xp-val{
  font-family:var(--display);font-size:30px;
  color:var(--white);line-height:1;
}
.xp-val em{color:var(--teal);font-style:normal}
.xp-key{
  font-family:var(--mono);font-size:8px;
  letter-spacing:1.5px;color:var(--text-dim);margin-top:3px;
}

/* Mentor right */
.mentor-quote{
  font-family:var(--label);font-size:28px;
  font-weight:600;color:var(--white);
  line-height:1.3;
  padding-left:22px;
  border-left:3px solid var(--teal);
  margin-bottom:28px;
}
.mentor-bio{
  font-size:14px;color:var(--text);
  line-height:1.85;margin-bottom:32px;
}
.mentor-bio strong{color:var(--white);font-weight:700}

/* MCU family grid */
.mcu-grid{
  display:grid;grid-template-columns:repeat(5,1fr);
  gap:8px;margin-bottom:32px;
}
.mcu-chip{
  background:var(--bg3);
  border:1px solid var(--border);
  padding:12px 8px;text-align:center;
  border-radius:3px;
  transition:border-color .2s;
  cursor:default;
}
.mcu-chip:hover{border-color:var(--teal)}
.mcu-chip .chip-name{
  font-family:var(--mono);font-size:11px;
  letter-spacing:1px;color:var(--teal);
  display:block;margin-bottom:3px;
}
.mcu-chip .chip-fam{
  font-family:var(--mono);font-size:9px;
  color:var(--text-dim);letter-spacing:.5px;
}

/* Industry timeline */
.timeline{display:flex;flex-direction:column;gap:12px}
.tl-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px;
  background:var(--bg3);
  border:1px solid var(--border);
  border-radius:3px;
  transition:border-color .2s;
}
.tl-item:hover{border-color:var(--teal-dim)}
.tl-ind{
  width:36px;height:36px;
  display:grid;place-items:center;
  font-size:18px;flex-shrink:0;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:3px;
}
.tl-company{
  font-family:var(--label);font-size:15px;
  font-weight:700;color:var(--white);letter-spacing:.5px;
}
.tl-role{
  font-family:var(--mono);font-size:10px;
  color:var(--teal);letter-spacing:1px;margin-top:2px;
}
.tl-detail{
  font-size:12px;color:var(--text-dim);margin-top:4px;line-height:1.5;
}

/* ═══════════════════════════════════════════════
   VIRTUAL LAB
═══════════════════════════════════════════════ */
.lab-inner{
  display:grid;grid-template-columns:1fr 1fr;
  gap:70px;align-items:center;
}

.lab-window{
  background:var(--bg);
  border:1px solid var(--border2);
  border-radius:6px;overflow:hidden;
}
.lab-window-bar{
  background:var(--bg3);
  border-bottom:1px solid var(--border);
  padding:12px 18px;
  display:flex;align-items:center;gap:8px;
}
.lab-window-bar span{
  font-family:var(--mono);font-size:11px;color:var(--text-dim);
  margin-left:4px;letter-spacing:1px;
}
.live-pill{
  margin-left:auto;
  display:flex;align-items:center;gap:6px;
  font-family:var(--mono);font-size:9px;
  color:var(--emerald);letter-spacing:2px;
}
.live-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--emerald);animation:blink 1.2s infinite;
}

.lab-tabs{
  display:flex;gap:0;
  background:var(--border);
  border-bottom:1px solid var(--border);
}
.lt{
  flex:1;padding:12px;
  background:var(--bg2);
  border:none;cursor:pointer;
  font-family:var(--mono);font-size:10px;
  letter-spacing:1.5px;color:var(--text-dim);
  transition:all .2s;border-right:1px solid var(--border);
  min-height:44px;
}
.lt.active{background:var(--bg);color:var(--teal);border-top:2px solid var(--teal)}
.lt:hover:not(.active){background:var(--bg3);color:var(--text)}

.lab-pane{display:none;padding:24px}
.lab-pane.show{display:block}

/* Oscilloscope */
.scope-screen{
  background:#040c14;
  border:1px solid #0e2236;
  border-radius:4px;padding:20px;
  position:relative;overflow:hidden;
}
.scope-screen-before-UNUSED{
  content:'';position:absolute;inset:0;
  background:
    repeating-linear-gradient(0deg,transparent,transparent 24px,rgba(58,156,81,.035) 24px,rgba(58,156,81,.035) 25px),
    repeating-linear-gradient(90deg,transparent,transparent 24px,rgba(58,156,81,.035) 24px,rgba(58,156,81,.035) 25px);
}
.scope-hud{
  display:flex;justify-content:space-between;
  margin-bottom:12px;position:relative;z-index:1;
}
.scope-hud span{font-family:var(--mono);font-size:9px;letter-spacing:1.5px;color:#2a607c}
.scope-hud .active{color:#057198}
.scope-wave{height:100px;position:relative;z-index:1}
.scope-wave svg{width:100%;height:100%}
.sw1{stroke:#057198;stroke-width:2;fill:none;filter:drop-shadow(0 0 3px rgba(58,156,81,.6))}
.sw2{stroke:#3a9c51;stroke-width:1.5;fill:none;opacity:.6}
.scope-footer{
  display:flex;gap:12px;margin-top:12px;
  position:relative;z-index:1;
}
.scope-btn{
  flex:1;font-family:var(--mono);font-size:9px;
  letter-spacing:1px;
  background:transparent;border:1px solid #0e2230;
  color:#2a607c;padding:10px 6px;cursor:pointer;
  transition:all .2s;
  min-height:44px;
}
.scope-btn:hover,.scope-btn.on{border-color:#057198;color:#057198}

/* Multimeter */
.meter-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
}
.meter-card{
  background:var(--bg2);
  border:1px solid var(--border);
  border-radius:3px;padding:16px;
}
.meter-label{
  font-family:var(--mono);font-size:9px;
  letter-spacing:2px;color:var(--text-dim);margin-bottom:8px;
}
.meter-val{
  font-family:var(--display);font-size:32px;
  line-height:1;
}
.meter-val.v-green{color:var(--emerald)}
.meter-val.v-teal{color:var(--teal)}
.meter-val.v-cyan{color:var(--teal-bright)}
.meter-unit{font-size:16px}

/* Lab code */
.lab-code{
  font-family:var(--mono);font-size:11px;
  line-height:1.9;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:3px;padding:16px;
}

/* Lab features */
.lab-features{display:flex;flex-direction:column;gap:14px;margin-top:28px}
.lf{
  display:flex;gap:14px;
  background:var(--bg3);
  border:1px solid var(--border);
  border-radius:3px;padding:18px;
  transition:border-color .2s;
}
.lf:hover{border-color:var(--teal-dim)}
.lf-icon{
  width:38px;height:38px;
  display:grid;place-items:center;font-size:18px;
  background:var(--bg);border:1px solid var(--border);
  border-radius:3px;flex-shrink:0;
}
.lf-name{
  font-family:var(--label);font-size:17px;
  font-weight:700;color:var(--white);
  text-transform:uppercase;letter-spacing:.5px;margin-bottom:3px;
}
.lf-desc{font-size:12px;color:var(--text);line-height:1.6}

/* Lab readouts */
.lab-readouts{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--border);
  border:1px solid var(--border);
  margin-top:16px;
}
.lr{background:var(--bg2);padding:12px;text-align:center}
.lr-lbl{font-family:var(--mono);font-size:8px;letter-spacing:2px;color:var(--text-dim)}
.lr-val{
  font-family:var(--mono);font-size:18px;font-weight:600;
  margin-top:4px;
}

/* ═══════════════════════════════════════════════
   BILINGUAL SECTION
═══════════════════════════════════════════════ */
.bilingual-section{
  padding:80px 80px;
  background:var(--bg2);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.bi-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:2px;background:var(--border);
  border:1px solid var(--border);
  max-width:1000px;margin:0 auto;
}
.bi-card{
  background:var(--bg2);padding:48px 40px;
}
.bi-lang{
  font-family:var(--display);font-size:56px;
  color:var(--muted);line-height:1;margin-bottom:20px;
}
.bi-en .bi-lang{color:var(--teal-bright)}
.bi-es .bi-lang{color:var(--teal)}
.bi-text{
  font-family:var(--label);font-size:22px;
  font-weight:600;color:var(--white);
  line-height:1.4;margin-bottom:12px;
}
.bi-sub{font-size:13px;color:var(--text);line-height:1.7}
.bi-market{
  margin-top:24px;
  display:flex;gap:8px;flex-wrap:wrap;
}
.bi-tag{
  font-family:var(--mono);font-size:9px;
  letter-spacing:1px;padding:4px 10px;
  background:var(--bg3);border:1px solid var(--border);
  color:var(--text-dim);border-radius:2px;
}

/* ═══════════════════════════════════════════════
   COMMUNITY
═══════════════════════════════════════════════ */
.forum-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--border);
  border:1px solid var(--border);
}
.forum-card{
  background:var(--bg);padding:28px;
  cursor:pointer;transition:background .2s;
}
.forum-card:hover{background:var(--bg2)}
.fc-cat{
  font-family:var(--mono);font-size:9px;
  letter-spacing:2px;color:var(--teal);margin-bottom:10px;
}
.fc-title{
  font-family:var(--label);font-size:17px;
  font-weight:700;color:var(--white);
  line-height:1.2;margin-bottom:8px;
  text-transform:uppercase;
}
.fc-body{font-size:12px;color:var(--text);line-height:1.65}
.fc-foot{
  display:flex;gap:14px;margin-top:16px;
  padding-top:14px;border-top:1px solid var(--border);
}
.fc-stat{
  font-family:var(--mono);font-size:9px;
  letter-spacing:1px;color:var(--text-dim);
}
.fc-badge{
  margin-left:auto;
  font-family:var(--mono);font-size:8px;
  letter-spacing:1.5px;
  padding:3px 8px;border-radius:2px;
}
.fcb-solved{background:rgba(58,156,81,.1);color:var(--emerald);border:1px solid rgba(58,156,81,.25)}
.fcb-mentor{background:rgba(5,113,152,.1);color:var(--teal);border:1px solid rgba(5,113,152,.25)}
.fcb-hot{background:rgba(239,68,68,.1);color:var(--red);border:1px solid rgba(239,68,68,.25)}
.fcb-feat{background:rgba(13,138,181,.1);color:var(--teal-bright);border:1px solid rgba(13,138,181,.25)}

/* ═══════════════════════════════════════════════
   PRICING
═══════════════════════════════════════════════ */
.pricing-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--border);
  border:1px solid var(--border);
  max-width:980px;margin:0 auto;
}
.plan{
  background:var(--bg2);padding:40px 32px;
  position:relative;transition:background .2s;
}
.plan:hover{background:var(--bg3)}
.plan.featured{
  background:var(--bg3);
  border:1px solid var(--teal);
  margin:-1px;
  z-index:1;
}
.plan-badge{
  position:absolute;top:-12px;left:50%;
  transform:translateX(-50%);
  font-family:var(--mono);font-size:9px;
  letter-spacing:2px;
  background:var(--teal);color:var(--bg);
  padding:4px 14px;border-radius:2px;
  white-space:nowrap;
}
.plan-name{
  font-family:var(--display);font-size:40px;
  color:var(--white);letter-spacing:1px;
  margin-bottom:8px;
}
.plan-price{
  font-family:var(--display);font-size:64px;
  color:var(--white);line-height:1;margin-bottom:4px;
}
.plan-price em{color:var(--teal);font-style:normal;font-size:40px}
.plan-period{
  font-family:var(--mono);font-size:10px;
  color:var(--text-dim);letter-spacing:1px;margin-bottom:32px;
}
.plan-features{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:32px}
.plan-features li{
  font-size:13px;color:var(--text);
  display:flex;align-items:flex-start;gap:10px;line-height:1.5;
}
.plan-features li::before{
  content:'→';
  font-family:var(--mono);font-size:11px;
  color:var(--teal);flex-shrink:0;margin-top:2px;
}
.plan-features li.disabled{opacity:.35}
.plan-features li.disabled::before{content:'—';color:var(--muted)}

/* ═══════════════════════════════════════════════
   TOOLS ROW
═══════════════════════════════════════════════ */
.tools-row{
  display:grid;grid-template-columns:repeat(7,1fr);
  gap:1px;background:var(--border);
  border:1px solid var(--border);
}
.tool{
  background:var(--bg2);
  padding:22px 16px;text-align:center;
  transition:background .2s;
}
.tool:hover{background:var(--bg3)}
.tool-icon{font-size:24px;display:block;margin-bottom:8px}
.tool-name{
  font-family:var(--mono);font-size:9px;
  letter-spacing:1px;color:var(--text-dim);
}

/* ═══════════════════════════════════════════════
   CTA
═══════════════════════════════════════════════ */
.cta-section{
  padding:120px 80px;text-align:center;
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:700px;height:700px;border-radius:50%;
  background:radial-gradient(circle,rgba(5,113,152,.05) 0%,transparent 70%);
}
.cta-title{
  font-family:var(--display);
  font-size:clamp(56px,6vw,88px);
  line-height:.95;color:var(--white);
  margin-bottom:16px;
}
.cta-title em{color:var(--teal);font-style:normal;display:block}
.cta-sub{
  font-size:16px;color:var(--text);
  max-width:480px;margin:0 auto 44px;line-height:1.75;
}
.cta-meta{
  display:flex;justify-content:center;
  gap:28px;flex-wrap:wrap;margin-top:28px;
}
.cta-meta span{
  font-family:var(--mono);font-size:10px;
  letter-spacing:1.5px;color:var(--text-dim);
}
.cta-meta span::before{content:'✓ ';color:var(--teal)}

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
footer{
  padding:64px 80px 40px;
  border-top:1px solid var(--border);
}
.footer-top{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
  gap:60px;margin-bottom:56px;
}
.footer-brand p{
  font-size:13px;color:var(--text-dim);
  max-width:280px;margin-top:16px;line-height:1.7;
}
.footer-contact{
  margin-top:16px;display:flex;flex-direction:column;gap:6px;
}
.footer-contact a{
  font-family:var(--mono);font-size:11px;
  letter-spacing:1px;color:var(--text-dim);
  text-decoration:none;transition:color .2s;
  display:inline-block;padding:5px 0;
  min-height:36px;
}
.footer-contact a:hover{color:var(--teal)}
.footer-col h3{
  font-family:var(--mono);font-size:11px;
  letter-spacing:2px;text-transform:uppercase;
  color:var(--text-dim);margin-bottom:18px;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:13px;color:var(--text-dim);
  text-decoration:none;transition:color .2s;
  display:inline-block;padding:4px 0;
  min-height:32px;
}
.footer-col a:hover{color:var(--teal)}

.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:28px;border-top:1px solid var(--border);
  flex-wrap:wrap;gap:12px;
}
.footer-copy{font-family:var(--mono);font-size:11px;color:var(--text-dim);letter-spacing:1px}
.footer-copy em{color:var(--teal);font-style:normal}
.footer-tagline{
  font-family:var(--label);font-size:11px;
  letter-spacing:2px;color:var(--text-dim);
  text-transform:uppercase;
}

/* ═══════════════════════════════════════════════
   SCROLL ANIMATIONS
═══════════════════════════════════════════════ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .65s ease,transform .65s ease}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.1s}
.reveal-d2{transition-delay:.2s}
.reveal-d3{transition-delay:.3s}

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media(max-width:1100px){
  nav{padding:0 24px}
  .nav-links{display:none}
  .hero{grid-template-columns:1fr}
  .hero-right{display:none}
  .hero-left{padding:60px 24px}
  .section,.diff-section,.bilingual-section,.cta-section{padding-left:24px;padding-right:24px}
  .paths-grid,.courses-grid,.forum-grid,.pricing-grid{grid-template-columns:1fr}
  .mentor-wrap{grid-template-columns:1fr;gap:40px}
  .lab-inner{grid-template-columns:1fr}
  .tools-row{grid-template-columns:repeat(4,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .diff-grid{grid-template-columns:1fr}
  .mcu-grid{grid-template-columns:repeat(3,1fr)}
  .bi-grid{grid-template-columns:1fr}
}
/* ═══════════════════════════════════════════════
   HEADING RESETS — h3/h4 used for accessibility
   but styled to match the original card designs
═══════════════════════════════════════════════ */
h3.path-name,h3.course-name,h3.diff-title,
h3.lf-name,h3.fc-title,h3.plan-name,h3.pov-name {
  font-weight: inherit;
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  margin: 0;
}
h4.tl-company {
  font-weight: inherit;
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  margin: 0;
}

/* ─── SCREEN-READER ONLY — visually hidden but in DOM for a11y ─────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ─── h3 used for section sub-labels (MCU Families, Career Timeline) ────── */
h3.ind-label {
  font-weight: inherit;
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  margin: 0;
  margin-bottom: 10px;
}

h3.footer-col-h3, .footer-col h3 {
  font-weight: inherit;
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  margin: 0;
  margin-bottom: 18px;
}