/* ================================================
   ELECTRATAG — Design tokens
   PCB / circuit-trace design system
================================================ */
:root{
  --bg-void: #08160F;
  --bg-panel: #0E2019;
  --bg-panel-raised: #14291F;
  --border-faint: rgba(232,149,82,0.14);

  --copper: #C87941;
  --copper-bright: #E89552;
  --signal: #5EEAD4;
  --solder: #FFC670;

  --silk: #EDEFE7;
  --silk-dim: #A8B5AC;
  --silk-faint: #6C7A70;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --maxw: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--bg-void);
  color:var(--silk-dim);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3{
  font-family:var(--font-display);
  color:var(--silk);
  margin:0 0 0.5em 0;
  font-weight:600;
  letter-spacing:-0.01em;
}

p{ margin:0 0 1em 0; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }

::selection{ background:var(--copper); color:var(--bg-void); }

:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
  border-radius:2px;
}

/* ================================================
   BACKGROUND LAYER
================================================ */
.board-bg{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(ellipse 900px 500px at 15% -5%, rgba(200,121,65,0.10), transparent 60%),
    radial-gradient(ellipse 700px 500px at 90% 20%, rgba(94,234,212,0.06), transparent 60%);
}
.board-bg svg{ width:100%; height:100%; opacity:0.5; }

/* ================================================
   EYEBROW / LABEL UTILITY (silkscreen-style)
================================================ */
.eyebrow{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.14em;
  color:var(--copper-bright);
  margin:0 0 1em 0;
  font-weight:500;
}
.eyebrow--pad{ padding-left:26px; }

/* ================================================
   NAV
================================================ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(8,22,15,0.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border-faint);
  transition:background 0.3s ease, border-color 0.3s ease;
}
.nav__inner{
  max-width:var(--maxw); margin:0 auto; padding:14px 24px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.nav__brand{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.nav__logo{ height:32px; width:auto; object-fit:contain; }
.nav__brand-fallback{ display:none; align-items:center; }
.nav__word{ font-family:var(--font-display); font-size:1.15rem; color:var(--silk); font-weight:500; letter-spacing:-0.01em; }
.nav__word b{ color:var(--copper-bright); font-weight:700; }

.nav__links{ display:flex; gap:28px; margin-left:auto; }
.nav__links a{
  font-size:0.88rem; color:var(--silk-dim); font-weight:500;
  position:relative; padding:4px 0; transition:color 0.2s ease;
}
.nav__links a:hover{ color:var(--silk); }
.nav__links a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:1px;
  background:var(--copper-bright); transition:width 0.25s ease;
}
.nav__links a:hover::after{ width:100%; }

.nav__cta{ flex-shrink:0; }
.nav__toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;
}
.nav__toggle span{ width:22px; height:2px; background:var(--silk); border-radius:2px; transition:0.25s ease; }

/* ================================================
   BUTTONS
================================================ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 24px; border-radius:var(--radius-sm);
  font-family:var(--font-body); font-weight:600; font-size:0.92rem;
  cursor:pointer; border:1px solid transparent; white-space:nowrap;
  transition:transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn--copper{
  background:linear-gradient(180deg, var(--copper-bright), var(--copper));
  color:#1A0E06;
  box-shadow:0 0 0 1px rgba(200,121,65,0.3), 0 8px 20px -6px rgba(200,121,65,0.45);
}
.btn--copper:hover{ transform:translateY(-2px); box-shadow:0 0 0 1px rgba(232,149,82,0.5), 0 12px 26px -6px rgba(232,149,82,0.55); }
.btn--ghost{
  background:transparent; color:var(--silk); border-color:rgba(237,239,231,0.25);
}
.btn--ghost:hover{ border-color:var(--signal); color:var(--signal); transform:translateY(-2px); }

/* ================================================
   HERO
================================================ */
.hero{
  position:relative; min-height:100vh;
  display:flex; align-items:center;
  padding:140px 24px 80px;
  overflow:hidden;
  z-index:1;
}
.hero__traces{ position:absolute; inset:0; width:100%; height:100%; z-index:0; opacity:0.55; }
.trace{
  stroke-dasharray:1400; stroke-dashoffset:1400;
  animation:draw 2.6s ease-out forwards;
  filter:drop-shadow(0 0 3px rgba(200,121,65,0.35));
}
.trace:nth-child(2){ animation-delay:0.15s; }
.trace:nth-child(3){ animation-delay:0.3s; }
.trace:nth-child(4){ animation-delay:0.45s; }
.trace:nth-child(5){ animation-delay:0.6s; }
@keyframes draw{ to{ stroke-dashoffset:0; } }
.pad-group circle{
  opacity:0; animation:padIn 0.5s ease forwards;
  filter:drop-shadow(0 0 6px rgba(232,149,82,0.7));
}
.pad-group circle:nth-child(1){ animation-delay:1.2s; }
.pad-group circle:nth-child(2){ animation-delay:1.4s; }
.pad-group circle:nth-child(3){ animation-delay:1.6s; }
.pad-group circle:nth-child(4){ animation-delay:1.8s; }
.pad-group circle:nth-child(5){ animation-delay:2.0s; }
.pad-group circle:nth-child(6){ animation-delay:2.2s; }
.pad-group circle:nth-child(7){ animation-delay:2.4s; }
.pad-group circle:nth-child(8){ animation-delay:2.6s; }
@keyframes padIn{ to{ opacity:1; } }

.hero__content{ position:relative; z-index:1; max-width:760px; margin:0 auto; text-align:left; }
.hero__title{
  font-size:clamp(2.3rem, 5vw, 3.6rem);
  line-height:1.1;
  margin-bottom:0.55em;
}
.accent-text{ color:var(--copper-bright); }
.hero__sub{
  font-size:1.08rem; color:var(--silk-dim); max-width:600px; margin-bottom:2em;
}
.hero__ctas{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:3.2em; }

.hero__stats{
  display:flex; gap:40px; flex-wrap:wrap;
  padding-top:28px; border-top:1px solid var(--border-faint);
}
.stat{ display:flex; flex-direction:column; gap:4px; }
.stat__num{ font-family:var(--font-display); font-size:1.9rem; color:var(--silk); font-weight:700; }
.stat__label{ font-family:var(--font-mono); font-size:0.72rem; color:var(--silk-faint); letter-spacing:0.04em; max-width:170px; }

/* ================================================
   MARQUEE
================================================ */
.marquee{
  position:relative; z-index:1;
  background:var(--bg-panel);
  border-top:1px solid var(--border-faint);
  border-bottom:1px solid var(--border-faint);
  overflow:hidden;
  padding:16px 0;
}
.marquee__track{
  display:inline-flex; white-space:nowrap; gap:14px;
  animation:scrollLeft 38s linear infinite;
}
.marquee__track span{
  font-family:var(--font-mono); font-size:0.8rem; letter-spacing:0.08em; color:var(--silk-faint);
}
.marquee__track .dot{ color:var(--copper); }
@keyframes scrollLeft{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

/* ================================================
   SPINE / SECTIONS
================================================ */
.spine{ position:relative; z-index:1; max-width:var(--maxw); margin:0 auto; padding:0 24px; }
.spine__line{ display:none; }

.section{ position:relative; padding:100px 0 100px 26px; border-left:1px solid var(--border-faint); }
.section:last-of-type{ border-left-color:transparent; }
.pad{
  position:absolute; left:-5px; top:100px;
  width:10px; height:10px; border-radius:50%;
  background:var(--copper); box-shadow:0 0 0 4px var(--bg-void), 0 0 12px rgba(200,121,65,0.6);
}
.section__title{ font-size:clamp(1.7rem, 3vw, 2.4rem); max-width:680px; padding-left:0; margin-left:26px; }
.eyebrow--pad + .section__title{ margin-left:26px; }
.section__sub{ max-width:600px; margin-left:26px; font-size:1rem; }

/* reveal-on-scroll */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* ================================================
   WHY / COMPARE
================================================ */
.compare{ display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:40px; margin-left:26px; }
.compare__col{
  background:var(--bg-panel); border:1px solid var(--border-faint); border-radius:var(--radius-md);
  padding:32px;
}
.compare__col--old{ opacity:0.75; }
.compare__col--new{ border-color:rgba(200,121,65,0.35); box-shadow:0 0 0 1px rgba(200,121,65,0.08); }
.compare__col h3{ font-size:1.1rem; margin-bottom:20px; }
.compare__col--old h3{ color:var(--silk-faint); }
.compare__col--new h3{ color:var(--copper-bright); }
.compare__col li{ position:relative; padding-left:24px; margin-bottom:14px; font-size:0.95rem; }
.compare__col--old li::before{ content:'×'; position:absolute; left:0; color:var(--silk-faint); font-weight:700; }
.compare__col--new li::before{ content:'✓'; position:absolute; left:0; color:var(--signal); font-weight:700; }

/* ================================================
   OFFER GRID
================================================ */
.offer-grid{
  margin-top:44px; margin-left:26px;
  display:grid; grid-template-columns:repeat(4, 1fr); gap:1px;
  background:var(--border-faint);
  border:1px solid var(--border-faint);
  border-radius:var(--radius-md);
  overflow:hidden;
}
.offer-card{
  background:var(--bg-panel); padding:28px 24px;
  transition:background 0.25s ease;
}
.offer-card:hover{ background:var(--bg-panel-raised); }
.offer-card__icon{ width:34px; height:34px; color:var(--copper-bright); margin-bottom:16px; }
.offer-card h3{ font-size:1rem; margin-bottom:8px; }
.offer-card p{ font-size:0.87rem; color:var(--silk-faint); margin:0; }

/* ================================================
   GALLERY
================================================ */
.gallery-grid{
  margin-top:44px; margin-left:26px;
  display:grid; grid-template-columns:repeat(3, 1fr); gap:22px;
}
.gallery-item{
  margin:0; position:relative; border-radius:var(--radius-md); overflow:hidden;
  background:var(--bg-panel); border:1px solid var(--border-faint);
  transition:transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.gallery-item:hover{ transform:translateY(-4px); border-color:rgba(200,121,65,0.4); box-shadow:0 16px 30px -14px rgba(0,0,0,0.6); }
.gallery-item img{ width:100%; aspect-ratio:4/3; object-fit:cover; }
.gallery-item figcaption{
  font-family:var(--font-mono); font-size:0.74rem; color:var(--silk-dim);
  padding:14px 16px; letter-spacing:0.02em; border-top:1px solid var(--border-faint);
}
/* corner pads like component mounting points */
.gallery-item::before, .gallery-item::after{
  content:''; position:absolute; width:8px; height:8px; border-radius:50%;
  background:var(--copper); z-index:2; opacity:0.85;
}
.gallery-item::before{ top:8px; left:8px; }
.gallery-item::after{ top:8px; right:8px; }

/* fallback placeholder when image missing */
.gallery-item.img-missing img{ display:none; }
.placeholder-box{
  display:flex; align-items:center; justify-content:center; text-align:center;
  aspect-ratio:4/3; background:
    repeating-linear-gradient(135deg, rgba(200,121,65,0.07) 0 2px, transparent 2px 14px),
    var(--bg-panel-raised);
  color:var(--silk-faint); font-family:var(--font-mono); font-size:0.76rem; padding:20px; line-height:1.6;
}
.placeholder-box b{ color:var(--copper-bright); display:block; font-size:0.82rem; margin-bottom:6px; }

/* ================================================
   KITS
================================================ */
.kit-grid{
  margin-top:44px; margin-left:26px;
  display:grid; grid-template-columns:repeat(4, 1fr); gap:20px;
}
.kit-card{
  background:var(--bg-panel); border:1px solid var(--border-faint); border-radius:var(--radius-md);
  padding:26px; display:flex; flex-direction:column; gap:10px;
  transition:border-color 0.25s ease, transform 0.25s ease;
}
.kit-card:hover{ border-color:rgba(200,121,65,0.4); transform:translateY(-4px); }
.kit-card__tag{
  align-self:flex-start; font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.06em;
  color:var(--signal); background:rgba(94,234,212,0.1); border:1px solid rgba(94,234,212,0.25);
  padding:3px 10px; border-radius:20px; margin-bottom:6px;
}
.kit-card h3{ font-size:1.02rem; }
.kit-card p{ font-size:0.87rem; color:var(--silk-faint); flex-grow:1; }
.kit-card__link{ font-size:0.85rem; color:var(--copper-bright); font-weight:600; margin-top:4px; }
.kit-card__link:hover{ color:var(--signal); }

/* ================================================
   AUDIENCE CHIPS
================================================ */
.chip-row{ margin-top:36px; margin-left:26px; display:flex; flex-wrap:wrap; gap:12px; }
.chip{
  font-family:var(--font-mono); font-size:0.78rem; color:var(--silk-dim);
  border:1px solid var(--border-faint); border-radius:6px; padding:8px 16px;
  position:relative; transition:border-color 0.2s ease, color 0.2s ease;
}
.chip::before{ content:''; display:inline-block; width:5px; height:5px; border-radius:50%; background:var(--copper); margin-right:8px; vertical-align:middle; }
.chip:hover{ border-color:var(--copper); color:var(--silk); }

/* ================================================
   PROCESS
================================================ */
.process-grid{
  margin-top:44px; margin-left:26px;
  display:grid; grid-template-columns:repeat(4, 1fr); gap:24px;
}
.process-step{ position:relative; padding-top:8px; }
.process-step__num{
  display:block; font-family:var(--font-mono); font-size:0.85rem; color:var(--copper-bright);
  margin-bottom:14px;
}
.process-step h3{ font-size:1.05rem; margin-bottom:8px; }
.process-step p{ font-size:0.88rem; color:var(--silk-faint); }

/* ================================================
   TESTIMONIALS
================================================ */
.testimonial-grid{
  margin-top:44px; margin-left:26px;
  display:grid; grid-template-columns:repeat(3, 1fr); gap:22px;
}
.testimonial{
  margin:0; background:var(--bg-panel); border:1px solid var(--border-faint); border-radius:var(--radius-md);
  padding:26px; display:flex; flex-direction:column; gap:16px;
}
.testimonial p{ font-size:0.95rem; color:var(--silk-dim); margin:0; font-style:italic; }
.testimonial cite{
  font-family:var(--font-mono); font-style:normal; font-size:0.74rem; color:var(--silk-faint);
}

/* ================================================
   FAQ / ACCORDION
================================================ */
.accordion{ margin-top:36px; margin-left:26px; max-width:760px; border-top:1px solid var(--border-faint); }
.accordion__item{ border-bottom:1px solid var(--border-faint); }
.accordion__q{
  width:100%; background:none; border:none; cursor:pointer;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:20px 4px; text-align:left;
  font-family:var(--font-display); font-size:1rem; color:var(--silk); font-weight:500;
}
.accordion__icon{ position:relative; width:16px; height:16px; flex-shrink:0; }
.accordion__icon::before, .accordion__icon::after{
  content:''; position:absolute; background:var(--copper-bright); border-radius:2px;
}
.accordion__icon::before{ width:16px; height:2px; top:7px; left:0; }
.accordion__icon::after{ width:2px; height:16px; top:0; left:7px; transition:transform 0.25s ease; }
.accordion__q[aria-expanded="true"] .accordion__icon::after{ transform:rotate(90deg); }
.accordion__a{ max-height:0; overflow:hidden; transition:max-height 0.3s ease; }
.accordion__a p{ padding:0 4px 20px; font-size:0.92rem; color:var(--silk-faint); margin:0; }

/* ================================================
   CTA BANNER
================================================ */
.cta-banner{
  position:relative; z-index:1; max-width:var(--maxw); margin:0 auto 0; padding:80px 24px 100px;
  border-left:1px solid transparent;
}
.cta-banner__inner{
  display:grid; grid-template-columns:1fr 1fr; gap:60px;
  background:var(--bg-panel); border:1px solid var(--border-faint); border-radius:16px;
  padding:56px;
}
.cta-banner__text h2{ font-size:clamp(1.6rem, 3vw, 2.1rem); margin-bottom:0.4em; }
.cta-banner__sub{ font-size:0.96rem; }
.cta-banner__meta{ display:flex; flex-direction:column; gap:8px; margin-top:24px; }
.cta-banner__meta li{ font-family:var(--font-mono); font-size:0.85rem; color:var(--silk-dim); }

.contact-form{ display:flex; flex-direction:column; gap:16px; }
.form-row{ display:flex; flex-direction:column; gap:6px; }
.form-row label{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.05em; color:var(--silk-faint); }
.form-row input, .form-row textarea{
  background:var(--bg-void); border:1px solid var(--border-faint); border-radius:var(--radius-sm);
  padding:12px 14px; color:var(--silk); font-family:var(--font-body); font-size:0.92rem; resize:vertical;
  transition:border-color 0.2s ease;
}
.form-row input:focus, .form-row textarea:focus{ border-color:var(--copper); outline:none; }
.form-row input::placeholder, .form-row textarea::placeholder{ color:var(--silk-faint); }
.form-submit{ margin-top:6px; }
.form-status{ font-family:var(--font-mono); font-size:0.8rem; color:var(--signal); min-height:1em; margin:0; }

/* ================================================
   FOOTER
================================================ */
.footer{ position:relative; z-index:1; border-top:1px solid var(--border-faint); padding:64px 24px 0; }
.footer__inner{
  max-width:var(--maxw); margin:0 auto;
  display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px;
  padding-bottom:48px;
}
.footer__brand p{ margin-top:16px; font-size:0.88rem; max-width:320px; }
.footer__col{ display:flex; flex-direction:column; gap:12px; }
.footer__col h4{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.08em; color:var(--silk-faint); margin-bottom:4px; font-weight:500; text-transform:uppercase; }
.footer__col a, .footer__col span{ font-size:0.88rem; color:var(--silk-dim); }
.footer__col a:hover{ color:var(--copper-bright); }

.footer__bottom{
  max-width:var(--maxw); margin:0 auto; padding:24px 0; border-top:1px solid var(--border-faint);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-family:var(--font-mono); font-size:0.74rem; color:var(--silk-faint);
}

/* ================================================
   BACK TO TOP
================================================ */
.to-top{
  position:fixed; bottom:24px; right:24px; z-index:90;
  width:44px; height:44px; border-radius:50%;
  background:var(--bg-panel-raised); border:1px solid var(--border-faint); color:var(--silk);
  font-size:1.1rem; cursor:pointer;
  opacity:0; visibility:hidden; transform:translateY(10px);
  transition:opacity 0.25s ease, transform 0.25s ease, border-color 0.2s ease;
}
.to-top.is-visible{ opacity:1; visibility:visible; transform:translateY(0); }
.to-top:hover{ border-color:var(--copper); color:var(--copper-bright); }

/* ================================================
   RESPONSIVE
================================================ */
@media (max-width: 1024px){
  .offer-grid{ grid-template-columns:repeat(2, 1fr); }
  .gallery-grid{ grid-template-columns:repeat(2, 1fr); }
  .kit-grid{ grid-template-columns:repeat(2, 1fr); }
  .process-grid{ grid-template-columns:repeat(2, 1fr); }
  .testimonial-grid{ grid-template-columns:1fr; }
  .cta-banner__inner{ grid-template-columns:1fr; padding:40px; }
}

@media (max-width: 760px){
  .nav__links{ 
    position:fixed; top:64px; left:0; right:0; bottom:0;
    background:var(--bg-void); flex-direction:column; gap:0;
    padding:12px 24px; transform:translateX(100%); transition:transform 0.3s ease;
    overflow-y:auto;
  }
  .nav__links.is-open{ transform:translateX(0); }
  .nav__links a{ padding:16px 0; border-bottom:1px solid var(--border-faint); }
  .nav__cta{ display:none; }
  .nav__toggle{ display:flex; }

  .hero{ padding:120px 20px 60px; }
  .hero__stats{ gap:24px; }

  .section{ padding:70px 0 70px 20px; }
  .section__title, .section__sub{ margin-left:0; }
  .compare, .offer-grid, .gallery-grid, .kit-grid, .process-grid, .testimonial-grid, .chip-row, .accordion{ margin-left:0; }
  .compare{ grid-template-columns:1fr; }
  .offer-grid{ grid-template-columns:1fr; }
  .gallery-grid{ grid-template-columns:1fr; }
  .kit-grid{ grid-template-columns:1fr; }
  .process-grid{ grid-template-columns:1fr; }

  .footer__inner{ grid-template-columns:1fr 1fr; }
  .cta-banner{ padding:60px 16px 70px; }
  .cta-banner__inner{ padding:28px; }
}

@media (max-width: 480px){
  .footer__inner{ grid-template-columns:1fr; }
  .hero__ctas{ flex-direction:column; align-items:stretch; }
}