/* ===========================================================
   OSCILLOSCOPE — skeuomorphic vintage CRT, pure CSS/SVG
   =========================================================== */

:root{
  --panel-1:#414a3f;
  --panel-2:#2c322a;
  --panel-3:#222722;
  --bezel-1:#3b3f3c;
  --bezel-2:#0d0f0d;
  --beige:#e7e1cc;
  --beige-dim:#a9a895;
  --phosphor:#7dff86;
  --phosphor-core:#d7ffd2;
  --phosphor-glow:#2bff66;
  --lamp:#ff5230;
  --cond:"Bahnschrift","DIN Alternate","Arial Narrow","Helvetica Neue",sans-serif;
  --mono:"Courier New",ui-monospace,monospace;
  --serif:Georgia,"Times New Roman",serif;
}

*{box-sizing:border-box;}

html,body{margin:0;padding:0;}

body{
  min-height:100vh;
  font-family:var(--cond);
  color:var(--beige);
  background:
    radial-gradient(120% 90% at 50% 0%, #20241f 0%, #14160f 55%, #090a07 100%);
}

.ambient{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:clamp(18px,3.4vw,32px);
  padding:clamp(16px,4vw,56px);
}

/* ---------- Divider between scope and inquiry panel ---------- */
.divider{
  width:2px;
  height:clamp(36px,6vw,56px);
  background:linear-gradient(to bottom, transparent, var(--beige-dim) 30%, var(--beige-dim) 70%, transparent);
  opacity:.45;
}

/* ---------- Digital media inquiry panel ---------- */
.inquiry{
  width:min(560px,100%);
  border-radius:20px;
  padding:clamp(20px,4vw,32px) clamp(20px,4vw,32px) clamp(26px,4.2vw,38px);
  background:
    radial-gradient(rgba(255,255,255,0.04) 0.6px, transparent 0.7px),
    radial-gradient(rgba(0,0,0,0.16) 0.6px, transparent 0.7px),
    linear-gradient(160deg,#414a3f 0%, #2c322a 45%, #20241e 100%);
  background-size:5px 5px, 7px 7px, 100% 100%;
  background-position:0 0, 3px 4px, 0 0;
  border:1px solid #4b5145;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.12),
    inset 0 -3px 10px rgba(0,0,0,0.5),
    0 20px 44px rgba(0,0,0,0.5);
  position:relative;
}
.s-tl{left:12px;top:12px;bottom:auto;}
.s-tr{right:12px;top:12px;bottom:auto;}
.inquiry-head{
  text-align:center;
  padding-bottom:12px;
  border-bottom:1px solid rgba(0,0,0,0.35);
  box-shadow:0 1px 0 rgba(255,255,255,0.07);
}
.inquiry-head h2{
  margin:0;
  font-size:clamp(15px,3vw,20px);
  font-weight:700;
  letter-spacing:0.16em;
  color:var(--beige);
  text-shadow:0 1px 0 rgba(0,0,0,0.6), 0 -1px 0 rgba(255,255,255,0.08);
}
.inquiry-head .model{margin-top:6px;}
.inquiry-blurb{
  margin:14px 2px 0;
  font-family:var(--serif);
  font-style:italic;
  font-size:clamp(13px,2vw,15px);
  line-height:1.7;
  color:#cfd3bf;
  text-align:center;
}

.sas-form{display:flex;flex-direction:column;gap:14px;margin-top:20px;}
.sas-form-intro{
  margin:0 0 2px;
  font-family:var(--cond);
  font-size:11px;letter-spacing:0.12em;text-transform:uppercase;
  color:var(--beige-dim);
}
.sas-field{
  display:flex;flex-direction:column;gap:6px;
  font-family:var(--cond);
  font-size:10px;letter-spacing:0.18em;text-transform:uppercase;
  color:var(--beige-dim);
}
.sas-field input,.sas-field textarea,.sas-field select{
  font-family:var(--mono);
  font-size:13px;letter-spacing:0.02em;text-transform:none;
  color:var(--phosphor-core);
  background:linear-gradient(180deg,#0d100c,#070805);
  border:1px solid #1c2018;
  border-radius:6px;
  padding:9px 11px;
  box-shadow:inset 0 2px 6px rgba(0,0,0,0.7);
}
.sas-field textarea{min-height:92px;resize:vertical;}
.sas-field input::placeholder,.sas-field textarea::placeholder{color:#48503f;}
.sas-field input:focus,.sas-field textarea:focus,.sas-field select:focus{
  outline:none;
  border-color:var(--phosphor);
  box-shadow:inset 0 2px 6px rgba(0,0,0,0.7), 0 0 0 3px rgba(125,255,134,0.16), 0 0 10px rgba(43,255,102,0.35);
}
.cf-turnstile{margin-top:2px;}
.sas-form button{
  align-self:flex-start;
  margin-top:4px;
  font-family:var(--cond);
  font-weight:700;
  letter-spacing:0.2em;
  font-size:12px;
  text-transform:uppercase;
  color:#0f120a;
  padding:12px 24px;
  border:none;
  border-radius:8px;
  background:linear-gradient(180deg,#9bffa4,var(--phosphor-glow) 60%,#149a3c);
  box-shadow:0 4px 10px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.4);
  cursor:pointer;
}
.sas-form button:hover{filter:brightness(1.08);}
.sas-form-status{margin:0;font-size:12px;color:var(--beige-dim);}

/* ---------- The device shell ---------- */
.scope{
  width:min(780px,100%);
  border-radius:22px;
  padding:clamp(16px,3.2vw,30px);
  background:
    linear-gradient(160deg,#4a5347 0%, #353c32 38%, #2a2f27 70%, #20241e 100%);
  /* hammertone speckle */
  background-image:
    radial-gradient(rgba(255,255,255,0.05) 0.6px, transparent 0.7px),
    radial-gradient(rgba(0,0,0,0.18) 0.6px, transparent 0.7px),
    linear-gradient(160deg,#4a5347 0%, #353c32 38%, #2a2f27 70%, #20241e 100%);
  background-size:5px 5px, 7px 7px, 100% 100%;
  background-position:0 0, 3px 4px, 0 0;
  border:1px solid #555b4f;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.14),
    inset 0 -3px 10px rgba(0,0,0,0.55),
    0 28px 60px rgba(0,0,0,0.6),
    0 4px 0 #15170f;
  position:relative;
}
/* corner screws */
.scope::before,.scope::after{
  content:"";
  position:absolute;width:13px;height:13px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #cfd2c4, #6c7064 55%, #303329 100%);
  box-shadow:inset 0 0 0 1px rgba(0,0,0,0.35), 0 1px 2px rgba(0,0,0,0.5);
  top:12px;
}
.scope::before{left:12px;}
.scope::after{right:12px;}
/* matching bottom-corner screws */
.screw{
  position:absolute;width:13px;height:13px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #cfd2c4, #6c7064 55%, #303329 100%);
  box-shadow:inset 0 0 0 1px rgba(0,0,0,0.35), 0 1px 2px rgba(0,0,0,0.5);
  bottom:12px;
}
.s-bl{left:12px;}
.s-br{right:12px;}

/* ---------- Brand plate ---------- */
.plate{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:6px 14px 14px;
  border-bottom:1px solid rgba(0,0,0,0.35);
  box-shadow:0 1px 0 rgba(255,255,255,0.07);
}
.brand h1{
  margin:0;
  font-size:clamp(22px,4.6vw,38px);
  font-weight:700;
  letter-spacing:0.34em;
  color:var(--beige);
  text-shadow:0 1px 0 rgba(0,0,0,0.6), 0 -1px 0 rgba(255,255,255,0.08);
  padding-left:0.34em;
}
.model{
  display:block;
  margin-top:4px;
  font-size:clamp(8px,1.5vw,11px);
  letter-spacing:0.28em;
  color:var(--beige-dim);
}
.lamp-cluster{display:flex;flex-direction:column;align-items:center;gap:5px;}
.lamp{
  width:13px;height:13px;border-radius:50%;
  background:radial-gradient(circle at 38% 32%, #ffd9c8, var(--lamp) 55%, #7a1604 100%);
  box-shadow:0 0 10px 2px rgba(255,82,48,0.7), inset 0 0 3px rgba(0,0,0,0.4);
  animation:lamp 3.4s ease-in-out infinite;
}
@keyframes lamp{0%,100%{opacity:.78;}50%{opacity:1;}}
.lamp-label{font-size:9px;letter-spacing:0.2em;color:var(--beige-dim);}

/* ---------- Body layout ---------- */
.body{
  display:flex;
  flex-wrap:wrap;
  gap:clamp(16px,3vw,30px);
  padding-top:clamp(16px,3vw,26px);
  align-items:center;
}

/* ---------- Screen ---------- */
.screen-wrap{
  flex:1 1 300px;
  min-width:260px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
}
.bezel{
  width:100%;
  aspect-ratio:1/1;
  border-radius:50%;
  padding:clamp(10px,2.4vw,20px);
  background:
    radial-gradient(circle at 50% 38%, #4a4e47 0%, #2b2e2a 42%, #101210 78%, #050605 100%);
  box-shadow:
    inset 0 2px 5px rgba(255,255,255,0.18),
    inset 0 -6px 16px rgba(0,0,0,0.8),
    0 6px 14px rgba(0,0,0,0.5);
  position:relative;
}
/* chrome retaining ring */
.bezel::before{
  content:"";
  position:absolute;inset:clamp(6px,1.5vw,12px);
  border-radius:50%;
  background:conic-gradient(from 210deg,#9aa093,#3b3f39,#c9cdbf,#42463f,#8d9286,#2e312c,#9aa093);
  padding:3px;
  -webkit-mask:radial-gradient(circle, transparent calc(100% - 4px), #000 calc(100% - 4px));
          mask:radial-gradient(circle, transparent calc(100% - 4px), #000 calc(100% - 4px));
  opacity:.85;
}
.screen{
  position:relative;
  width:100%;height:100%;
  border-radius:50%;
  overflow:hidden;
  background:
    radial-gradient(circle at 50% 45%, #123417 0%, #0a230f 45%, #051208 72%, #020a05 100%);
  box-shadow:
    inset 0 0 30px 6px rgba(0,0,0,0.85),
    inset 0 0 90px 10px rgba(0,40,12,0.5);
}

/* graticule grid */
.graticule{
  position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(0deg, rgba(125,255,140,0.10) 0 1px, transparent 1px 10%),
    repeating-linear-gradient(90deg, rgba(125,255,140,0.10) 0 1px, transparent 1px 10%);
  background-position:center;
  mix-blend-mode:screen;
}
.axes{
  position:absolute;inset:0;
}
.axes::before,.axes::after{
  content:"";position:absolute;background:rgba(150,255,165,0.22);
}
.axes::before{left:0;right:0;top:50%;height:1.5px;transform:translateY(-50%);}
.axes::after{top:0;bottom:0;left:50%;width:1.5px;transform:translateX(-50%);}

/* the live trace */
.trace{
  position:absolute;inset:0;width:100%;height:100%;
  overflow:visible;
}
.sweep{
  animation:sweep 2.4s linear infinite;
}
@keyframes sweep{
  from{transform:translateX(0);}
  to{transform:translateX(-250px);}
}

/* waveform cross-fade: sine -> square -> sawtooth */
.wave{
  opacity:0;
  animation:waveform 12s linear infinite;
}
.w-sine{opacity:1;animation-delay:0s;}
.w-square{animation-delay:4s;}
.w-saw{animation-delay:8s;}
@keyframes waveform{
  0%{opacity:0;}
  3%{opacity:1;}
  30%{opacity:1;}
  37%{opacity:0;}
  100%{opacity:0;}
}

.glow{
  fill:none;
  stroke:var(--phosphor-glow);
  stroke-width:26;
  stroke-linecap:round;
  stroke-linejoin:round;
  filter:url(#bloom);
  opacity:.65;
}
.core{
  fill:none;
  stroke:var(--phosphor-core);
  stroke-width:5;
  stroke-linecap:round;
  stroke-linejoin:round;
  filter:drop-shadow(0 0 6px var(--phosphor)) drop-shadow(0 0 14px var(--phosphor-glow));
}

/* waveform name tag inside the screen */
.wavetag{
  position:absolute;
  left:0;right:0;bottom:14%;
  text-align:center;
  font-family:var(--mono);
  font-size:clamp(9px,1.8vw,12px);
  letter-spacing:0.34em;
  pointer-events:none;
}
.wavetag span{
  position:absolute;
  left:0;right:0;
  opacity:0;
  color:var(--phosphor-core);
  text-shadow:0 0 6px var(--phosphor), 0 0 12px var(--phosphor-glow);
  animation:waveform 12s linear infinite;
}
.t-sine{opacity:1;animation-delay:0s;}
.t-square{animation-delay:4s;}
.t-saw{animation-delay:8s;}

/* glass curvature highlight */
.curve{
  position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle at 50% 50%, transparent 58%, rgba(0,0,0,0.55) 100%);
  pointer-events:none;
}
.glare{
  position:absolute;inset:0;border-radius:50%;
  background:
    radial-gradient(60% 45% at 34% 24%, rgba(255,255,255,0.16), rgba(255,255,255,0) 60%);
  pointer-events:none;
}
.scanline{
  position:absolute;left:0;right:0;height:18%;
  background:linear-gradient(180deg, rgba(180,255,190,0) 0%, rgba(160,255,175,0.10) 50%, rgba(180,255,190,0) 100%);
  animation:scan 5.5s linear infinite;
  pointer-events:none;
  mix-blend-mode:screen;
}
@keyframes scan{from{top:-20%;}to{top:100%;}}
.flicker{
  position:absolute;inset:0;border-radius:50%;
  background:rgba(40,255,90,0.04);
  mix-blend-mode:screen;
  animation:flick 0.16s steps(2) infinite;
  pointer-events:none;
}
@keyframes flick{0%{opacity:.5;}50%{opacity:.85;}100%{opacity:.6;}}

.screen-readout{
  display:flex;gap:18px;
  font-family:var(--mono);
  font-size:11px;letter-spacing:0.12em;
  color:var(--beige-dim);
}

/* ---------- Controls ---------- */
.controls{
  flex:1 1 240px;
  min-width:220px;
  display:flex;
  flex-direction:column;
  gap:clamp(14px,2.6vw,24px);
  padding:clamp(8px,1.5vw,14px) 4px;
}
.knob-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:clamp(14px,3vw,26px);
  justify-items:center;
}
.knob-unit{
  position:relative;
  display:flex;flex-direction:column;align-items:center;gap:9px;
  width:clamp(72px,12vw,92px);
}
/* printed tick dial behind the knob */
.dial{
  position:absolute;top:0;
  width:100%;aspect-ratio:1;border-radius:50%;
  background:repeating-conic-gradient(from -120deg, var(--beige-dim) 0 1.4deg, transparent 1.4deg 24deg);
  -webkit-mask:radial-gradient(circle, transparent 64%, #000 65%, #000 78%, transparent 79%);
          mask:radial-gradient(circle, transparent 64%, #000 65%, #000 78%, transparent 79%);
  opacity:.55;
}
.knob{
  position:relative;
  width:74%;aspect-ratio:1;border-radius:50%;
  background:
    radial-gradient(circle at 50% 38%, #4a4d48 0%, #26282440 30%, transparent 31%),
    radial-gradient(circle at 50% 42%, #2b2d29 0%, #161714 60%, #0a0b09 100%);
  box-shadow:
    inset 0 2px 3px rgba(255,255,255,0.16),
    inset 0 -5px 12px rgba(0,0,0,0.8),
    0 4px 8px rgba(0,0,0,0.55);
  display:flex;align-items:flex-start;justify-content:center;
}
/* chrome skirt */
.knob::before{
  content:"";position:absolute;inset:-6%;border-radius:50%;
  background:conic-gradient(from 0deg,#8b9082,#3a3d37,#b6bbad,#3a3d37,#8b9082);
  z-index:-1;
  box-shadow:0 2px 5px rgba(0,0,0,0.5);
}
.pointer{
  position:absolute;top:8%;
  width:4px;height:34%;border-radius:2px;
  background:linear-gradient(#f3eed8,#b9b49c);
  box-shadow:0 0 4px rgba(255,255,255,0.35);
}
.k-a{transform:rotate(-48deg);}
.k-b{transform:rotate(22deg);}
.k-c{transform:rotate(118deg);}
.k-d{transform:rotate(-115deg);}

.knob-label{
  font-size:clamp(8px,1.5vw,10px);
  letter-spacing:0.18em;
  color:var(--beige-dim);
  text-align:center;
}

/* switch + vents */
.switch-row{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:18px;
  padding-top:6px;
}
.toggle-unit{display:flex;flex-direction:column;align-items:center;gap:9px;}
.toggle{
  width:34px;height:54px;border-radius:8px;
  background:linear-gradient(#171814,#0a0b08);
  box-shadow:inset 0 3px 6px rgba(0,0,0,0.85), inset 0 -1px 0 rgba(255,255,255,0.06);
  position:relative;
}
.lever{
  position:absolute;left:50%;top:6px;
  width:18px;height:26px;border-radius:9px 9px 7px 7px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,#dfe0d4 0%, #9a9c8e 55%, #5d5f54 100%);
  box-shadow:0 4px 6px rgba(0,0,0,0.5), inset 0 2px 2px rgba(255,255,255,0.5);
}
.vents{
  flex:1;max-width:130px;height:46px;border-radius:6px;
  background:repeating-linear-gradient(180deg,#15170f 0 4px,#2c3128 4px 9px);
  box-shadow:inset 0 1px 2px rgba(0,0,0,0.7), inset 0 0 0 1px rgba(0,0,0,0.4);
  opacity:.9;
}

/* ---------- Ode ---------- */
.ode{
  margin-top:clamp(18px,3vw,28px);
  padding-top:clamp(14px,2.5vw,22px);
  border-top:1px solid rgba(0,0,0,0.35);
  box-shadow:0 -1px 0 rgba(255,255,255,0.06);
  text-align:center;
}
.ode p{
  margin:0 0 12px;
  font-family:var(--serif);
  font-style:italic;
  font-size:clamp(13px,2.2vw,16px);
  line-height:1.85;
  color:#cfd3bf;
  text-shadow:0 1px 0 rgba(0,0,0,0.4);
}
.ode p:last-child{margin-bottom:0;color:var(--beige-dim);}
.ode .services{
  font-family:var(--cond);
  font-style:normal;
  font-size:clamp(10px,1.8vw,12px);
  letter-spacing:0.24em;
  text-shadow:none;
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion:reduce){
  .sweep,.scanline,.flicker,.lamp,.wave{animation:none;}
}

@media (max-width:560px){
  .knob-grid{gap:18px;}
}