/* ============================================================
   LASER ERASER — Design System
   High-Tech Industrial · Premium · Schwarz/Anthrazit + Elektroblau
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Saira:wght@300;400;500;600;700;800;900&family=Archivo:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  /* ---- Brand-tunable (Tweaks override these) ---- */
  --accent-h: 205;            /* hue */
  --accent: oklch(0.70 0.16 var(--accent-h));
  --accent-bright: oklch(0.80 0.15 var(--accent-h));
  --accent-deep: oklch(0.55 0.16 var(--accent-h));
  --accent-glow: oklch(0.70 0.18 var(--accent-h) / 0.45);
  --accent-faint: oklch(0.70 0.18 var(--accent-h) / 0.10);

  /* ---- Surfaces ---- */
  --bg:    #07080a;
  --bg-1:  #0b0d10;
  --bg-2:  #111418;
  --bg-3:  #171b21;
  --bg-4:  #1f242b;
  --line:  rgba(255,255,255,.085);
  --line-2:rgba(255,255,255,.16);

  /* ---- Ink ---- */
  --text:   #eef1f4;
  --text-2: #aab2bc;
  --text-3: #6c757f;
  --silver: #c4ccd6;

  /* ---- Type ---- */
  --f-display: 'Saira', system-ui, sans-serif;
  --f-body: 'Archivo', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* ---- Motion intensity (tweakable 0..1) ---- */
  --motion: 1;

  --maxw: 1320px;
  --gutter: clamp(20px, 5vw, 64px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:var(--accent);color:#001018}

/* ---- Layout helpers ---- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(72px,11vw,150px);position:relative}
.section--tight{padding-block:clamp(56px,8vw,100px)}

/* ---- Typography ---- */
.display{
  font-family:var(--f-display);
  font-weight:800;
  line-height:0.92;
  letter-spacing:-0.02em;
  text-transform:uppercase;
}
h1.display{font-size:clamp(2.9rem,7.5vw,7rem)}
h2.display{font-size:clamp(2.2rem,5vw,4.4rem)}
h3.display{font-size:clamp(1.5rem,2.6vw,2.3rem)}

.eyebrow{
  font-family:var(--f-mono);
  font-size:.72rem;
  font-weight:500;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--accent-bright);
  display:inline-flex;align-items:center;gap:.7em;
}
.eyebrow::before{
  content:"";width:26px;height:1px;background:var(--accent);
  box-shadow:0 0 8px var(--accent-glow);
}
.eyebrow--center{justify-content:center}
.lead{font-size:clamp(1.05rem,1.5vw,1.3rem);color:var(--text-2);max-width:60ch;line-height:1.65}
.tag{color:var(--accent-bright)}
.muted{color:var(--text-3)}

/* data / spec readout */
.data{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase}

/* ---- Buttons ---- */
.btn{
  --b: var(--accent);
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--f-display);font-weight:600;text-transform:uppercase;
  letter-spacing:.06em;font-size:.92rem;
  padding:.95em 1.6em;border-radius:2px;
  position:relative;transition:.25s cubic-bezier(.2,.7,.3,1);
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
}
.btn svg{width:1.05em;height:1.05em}
.btn--primary{
  background:var(--accent);color:#04121e;
  box-shadow:0 0 0 1px var(--accent), 0 8px 30px -10px var(--accent-glow);
}
.btn--primary:hover{background:var(--accent-bright);box-shadow:0 0 0 1px var(--accent-bright),0 12px 40px -8px var(--accent-glow);transform:translateY(-2px)}
.btn--ghost{
  color:var(--text);box-shadow:inset 0 0 0 1px var(--line-2);
  background:rgba(255,255,255,.02);
}
.btn--ghost:hover{box-shadow:inset 0 0 0 1px var(--accent);color:var(--accent-bright);transform:translateY(-2px)}
.btn--lg{font-size:1rem;padding:1.1em 2em}
.btn--block{width:100%;justify-content:center}

.link-arrow{
  font-family:var(--f-display);font-weight:600;text-transform:uppercase;letter-spacing:.05em;
  font-size:.9rem;color:var(--text);display:inline-flex;align-items:center;gap:.5em;
  border-bottom:1px solid var(--line-2);padding-bottom:.3em;transition:.2s;
}
.link-arrow:hover{color:var(--accent-bright);border-color:var(--accent);gap:.8em}

/* ---- Decorative ---- */
.grid-bg{
  position:absolute;inset:0;pointer-events:none;opacity:calc(.5 * var(--motion) + .25);
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000,transparent 75%);
          mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000,transparent 75%);
}
.glow{position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none;opacity:calc(.6*var(--motion))}
.corner{position:absolute;width:14px;height:14px;border:1px solid var(--accent);opacity:.6}
.corner.tl{top:-1px;left:-1px;border-right:0;border-bottom:0}
.corner.tr{top:-1px;right:-1px;border-left:0;border-bottom:0}
.corner.bl{bottom:-1px;left:-1px;border-right:0;border-top:0}
.corner.br{bottom:-1px;right:-1px;border-left:0;border-top:0}

/* hairline divider with node */
.rule{height:1px;background:var(--line);position:relative}
.rule::before{content:"";position:absolute;left:0;top:-1px;width:60px;height:3px;background:var(--accent);box-shadow:0 0 12px var(--accent-glow)}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  transition:background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(8,9,11,.82);backdrop-filter:blur(14px) saturate(1.2);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.nav__brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav__brand img{height:30px;width:auto}
.nav__links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav__link{
  font-family:var(--f-display);font-weight:500;text-transform:uppercase;letter-spacing:.04em;
  font-size:.82rem;color:var(--text-2);padding:.6em .85em;border-radius:2px;position:relative;transition:.2s;
}
.nav__link:hover,.nav__link.active{color:var(--text)}
.nav__link.active::after{content:"";position:absolute;left:.85em;right:.85em;bottom:.35em;height:2px;background:var(--accent);box-shadow:0 0 8px var(--accent-glow)}
.nav__cta{margin-left:10px}
.nav__toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.nav__toggle span{width:22px;height:2px;background:var(--text);transition:.3s}

/* mobile menu */
.mobile-menu{
  position:fixed;inset:0;z-index:95;background:var(--bg);
  display:flex;flex-direction:column;padding:90px var(--gutter) 40px;
  transform:translateY(-100%);opacity:0;pointer-events:none;transition:.4s cubic-bezier(.4,0,.1,1);
  overflow-y:auto;
}
.mobile-menu.open{transform:none;opacity:1;pointer-events:auto}
.mobile-menu a{
  font-family:var(--f-display);font-weight:700;text-transform:uppercase;font-size:1.6rem;
  padding:.5em 0;border-bottom:1px solid var(--line);color:var(--text-2);transition:.2s;display:flex;justify-content:space-between;align-items:center;
}
.mobile-menu a:hover{color:var(--accent-bright);padding-left:.4em}
.mobile-close{position:absolute;top:24px;right:var(--gutter);width:44px;height:44px;font-size:1.6rem}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding-block:clamp(56px,8vw,90px) 30px;position:relative}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px}
.footer-brand img{height:42px;margin-bottom:20px}
.footer-col h4{font-family:var(--f-display);text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;color:var(--text-3);margin-bottom:16px}
.footer-col a{display:block;color:var(--text-2);padding:.32em 0;font-size:.95rem;transition:.2s}
.footer-col a:hover{color:var(--accent-bright)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:48px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap}
.footer-bottom .data{font-size:.72rem}

/* ============================================================
   BEFORE / AFTER — Laser Sweep
   ============================================================ */
.ba{position:relative;overflow:hidden;border-radius:4px;background:var(--bg-2);box-shadow:inset 0 0 0 1px var(--line)}
.ba img{width:100%;height:100%;object-fit:cover;display:block}
.ba__beam{
  position:absolute;top:0;bottom:0;width:3px;left:0;
  background:linear-gradient(var(--accent-bright),#fff,var(--accent-bright));
  box-shadow:0 0 18px 4px var(--accent-glow),0 0 50px 8px var(--accent-glow);
  opacity:0;transform:translateX(-10px);
  animation:sweep calc(5s / max(var(--motion),.4)) cubic-bezier(.5,0,.5,1) infinite;
}
.ba__beam::after{content:"";position:absolute;top:0;left:-1px;width:5px;height:100%;background:#fff;filter:blur(2px);opacity:.7}
@keyframes sweep{
  0%,8%{left:2%;opacity:0}
  14%{opacity:1}
  86%{opacity:1}
  92%,100%{left:98%;opacity:0}
}
.ba__labels{position:absolute;inset:0;pointer-events:none}
.ba__labels span{
  position:absolute;bottom:14px;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.2em;
  text-transform:uppercase;padding:.45em .8em;background:rgba(7,8,10,.7);backdrop-filter:blur(6px);
  border:1px solid var(--line-2);border-radius:2px;
}
.ba__labels .before{left:14px;color:var(--text-2)}
.ba__labels .after{right:14px;color:var(--accent-bright);border-color:var(--accent)}
.ba__scan{
  position:absolute;inset:0;pointer-events:none;opacity:calc(.28*var(--motion));
  background:repeating-linear-gradient(0deg,transparent 0 3px,rgba(0,0,0,.16) 3px 4px);
  mix-blend-mode:multiply;
}
.ba:hover .ba__beam{animation-duration:calc(2.4s / max(var(--motion),.4))}

@media (prefers-reduced-motion:reduce){
  .ba__beam{animation:none;opacity:0}
}

/* ============================================================
   CARDS / GRID PRIMITIVES
   ============================================================ */
.panel{
  background:linear-gradient(180deg,var(--bg-2),var(--bg-1));
  border:1px solid var(--line);border-radius:4px;position:relative;
  transition:.3s;
}
.panel:hover{border-color:var(--line-2)}

.cards{display:grid;gap:18px}
.cards--3{grid-template-columns:repeat(3,1fr)}
.cards--4{grid-template-columns:repeat(4,1fr)}
.cards--2{grid-template-columns:repeat(2,1fr)}

/* application tile */
.app-tile{
  position:relative;overflow:hidden;border-radius:4px;border:1px solid var(--line);
  min-height:320px;display:flex;flex-direction:column;justify-content:flex-end;
  padding:26px;isolation:isolate;transition:.4s;
}
.app-tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:.6s cubic-bezier(.2,.7,.3,1);filter:saturate(.9)}
.app-tile::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(7,8,10,.1) 0%,rgba(7,8,10,.55) 55%,rgba(7,8,10,.94) 100%)}
.app-tile:hover img{transform:scale(1.06)}
.app-tile:hover{border-color:var(--accent)}
.app-tile__num{font-family:var(--f-mono);font-size:.72rem;color:var(--accent-bright);letter-spacing:.2em}
.app-tile h3{font-family:var(--f-display);text-transform:uppercase;font-size:1.5rem;font-weight:700;margin-top:8px;letter-spacing:-.01em}
.app-tile p{color:var(--text-2);font-size:.92rem;margin-top:6px;max-width:34ch;opacity:0;max-height:0;transition:.4s;transform:translateY(6px)}
.app-tile:hover p{opacity:1;max-height:120px;transform:none}

/* feature/usp */
.feature{padding:28px;border:1px solid var(--line);border-radius:4px;background:var(--bg-1);transition:.3s;position:relative;overflow:hidden}
.feature:hover{border-color:var(--line-2);background:var(--bg-2)}
.feature__ic{width:46px;height:46px;display:grid;place-items:center;border:1px solid var(--accent);border-radius:3px;color:var(--accent-bright);margin-bottom:18px;box-shadow:inset 0 0 18px var(--accent-faint)}
.feature__ic svg{width:22px;height:22px}
.feature h3{font-family:var(--f-display);text-transform:uppercase;font-size:1.12rem;font-weight:600;letter-spacing:.01em;margin-bottom:8px}
.feature p{color:var(--text-2);font-size:.93rem;line-height:1.6}

/* industry chip */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  font-family:var(--f-display);text-transform:uppercase;font-size:.84rem;font-weight:500;letter-spacing:.03em;
  padding:.65em 1.1em;border:1px solid var(--line-2);border-radius:2px;color:var(--text-2);transition:.25s;
  display:inline-flex;align-items:center;gap:.6em;
}
.chip:hover{border-color:var(--accent);color:var(--text);background:var(--accent-faint)}
.chip__dot{width:6px;height:6px;background:var(--accent);border-radius:50%;box-shadow:0 0 8px var(--accent-glow)}

/* stat */
.stat__num{font-family:var(--f-display);font-weight:800;font-size:clamp(2.4rem,4vw,3.6rem);line-height:1;letter-spacing:-.02em;
  background:linear-gradient(180deg,#fff,var(--accent-bright));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat__lbl{color:var(--text-3);font-family:var(--f-mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;margin-top:8px}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
  .reveal.in{opacity:1;transform:none}
  .reveal[data-d="1"]{transition-delay:.08s}
  .reveal[data-d="2"]{transition-delay:.16s}
  .reveal[data-d="3"]{transition-delay:.24s}
  .reveal[data-d="4"]{transition-delay:.32s}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .cards--4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav__links{display:none}
  .nav__toggle{display:flex}
  .nav__cta{display:none}
  .cards--3{grid-template-columns:1fr}
  .cards--2{grid-template-columns:1fr}
}
@media (max-width:560px){
  body{font-size:16px}
  .cards--4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ============================================================
   SUBPAGES
   ============================================================ */
.subhero{position:relative;padding:calc(74px + clamp(48px,9vw,110px)) 0 clamp(40px,6vw,72px);overflow:hidden;border-bottom:1px solid var(--line)}
.subhero .grid-bg{opacity:.5}
.crumb{display:flex;gap:10px;align-items:center;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);margin-bottom:24px}
.crumb a{color:var(--text-3);transition:.2s}.crumb a:hover{color:var(--accent-bright)}
.crumb span{color:var(--accent-bright)}
.subhero h1{font-size:clamp(2.6rem,6vw,5.4rem);margin:18px 0 22px;max-width:18ch}
.subhero .lead{max-width:62ch}
.subhero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}

.prose{max-width:68ch}
.prose p{color:var(--text-2);margin-bottom:18px;line-height:1.7}
.prose h3{font-family:var(--f-display);text-transform:uppercase;font-size:1.4rem;margin:34px 0 14px;letter-spacing:-.01em}

/* spec table */
.spec-table{width:100%;border-collapse:collapse;font-size:.95rem}
.spec-table tr{border-bottom:1px solid var(--line)}
.spec-table td{padding:16px 8px}
.spec-table td:first-child{color:var(--text-3);font-family:var(--f-mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;width:46%}
.spec-table td:last-child{color:var(--text);font-family:var(--f-display);font-weight:600}

/* numbered steps */
.steps{display:grid;gap:2px;counter-reset:s}
.step{display:grid;grid-template-columns:auto 1fr;gap:24px;padding:30px 0;border-top:1px solid var(--line);align-items:start}
.step:last-child{border-bottom:1px solid var(--line)}
.step__n{font-family:var(--f-display);font-weight:800;font-size:clamp(2rem,4vw,3.2rem);line-height:1;color:transparent;-webkit-text-stroke:1.4px var(--accent);letter-spacing:-.02em}
.step h3{font-family:var(--f-display);text-transform:uppercase;font-size:1.3rem;margin-bottom:8px}
.step p{color:var(--text-2);max-width:60ch}

/* form */
.form{display:grid;gap:18px}
.form-row{display:grid;gap:18px;grid-template-columns:1fr 1fr}
.field label{display:block;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg-2);border:1px solid var(--line-2);border-radius:3px;color:var(--text);
  padding:.85em 1em;font-family:var(--f-body);font-size:.98rem;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-faint)}
.field textarea{resize:vertical;min-height:120px}
.chooser{display:flex;gap:10px;flex-wrap:wrap}
.chooser input{position:absolute;opacity:0;pointer-events:none}
.chooser label{
  font-family:var(--f-display);text-transform:uppercase;font-size:.82rem;letter-spacing:.03em;color:var(--text-2);
  padding:.7em 1.1em;border:1px solid var(--line-2);border-radius:2px;cursor:pointer;transition:.2s;margin:0;
}
.chooser input:checked + label{background:var(--accent);color:#04121e;border-color:var(--accent)}
.chooser label:hover{border-color:var(--accent)}

/* aside card */
.sidecard{background:linear-gradient(180deg,var(--bg-2),var(--bg-1));border:1px solid var(--line);border-radius:4px;padding:28px;position:relative}
.sidecard h4{font-family:var(--f-display);text-transform:uppercase;font-size:1.05rem;margin-bottom:16px;letter-spacing:.02em}
.sidecard .ct{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line);color:var(--text-2);font-size:.92rem}
.sidecard .ct svg{width:18px;height:18px;color:var(--accent-bright);flex-shrink:0}

.split-2{display:grid;grid-template-columns:1.4fr 1fr;gap:clamp(30px,5vw,64px);align-items:start}
.split-3{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,48px);align-items:center}
@media (max-width:900px){.split-2,.split-3{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}}