/* Neohm Labs — Static site for Netlify
   Notes:
   - No external dependencies
   - Theme toggle supported (light/dark)
   - Respect prefers-reduced-motion
*/

:root{
  --bg: #0b0f19;
  --bg2:#0f172a;
  --card:#0b1224;
  --card2:#0b132a;
  --text:#e5e7eb;
  --muted:#a7b0c0;
  --muted2:#7c879a;
  --border: rgba(255,255,255,0.10);
  --border2: rgba(255,255,255,0.16);
  --shadow: 0 18px 50px rgba(0,0,0,0.45);
  --shadow2: 0 10px 30px rgba(0,0,0,0.35);
  --accent:#7c3aed;
  --accent2:#22d3ee;
  --good:#34d399;
  --warn:#f59e0b;
  --bad:#fb7185;
  --ring: rgba(124, 58, 237, 0.40);
  --radius: 18px;
  --radius2: 14px;
  --max: 1120px;
  --grid: rgba(255,255,255,0.05);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

:root[data-theme="light"]{
  --bg: #f8fafc;
  --bg2:#ffffff;
  --card:#ffffff;
  --card2:#f8fafc;
  --text:#0b1220;
  --muted:#334155;
  --muted2:#475569;
  --border: rgba(2,6,23,0.10);
  --border2: rgba(2,6,23,0.16);
  --shadow: 0 18px 45px rgba(15,23,42,0.14);
  --shadow2: 0 10px 25px rgba(15,23,42,0.12);
  --grid: rgba(2,6,23,0.05);
  --ring: rgba(124, 58, 237, 0.30);
}

*{ box-sizing:border-box; }

html, body{
  height:100%;
}

html{
  scroll-behavior:smooth;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
}

body{
  margin:0;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 18% -5%, rgba(124,58,237,0.35), transparent 60%),
    radial-gradient(900px 500px at 85% 8%, rgba(34,211,238,0.22), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  overflow-x:hidden;
}

a{
  color:inherit;
  text-decoration:none;
}

a:hover{
  text-decoration:underline;
}

img{
  max-width:100%;
  height:auto;
}

.container{
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.skip-link{
  position:absolute;
  left:-999px;
  top: 10px;
  padding:10px 12px;
  background:var(--card);
  border:1px solid var(--border2);
  border-radius:12px;
  z-index:9999;
}

.skip-link:focus{
  left: 12px;
}

header.site-header{
  position: sticky;
  top:0;
  z-index:50;
  border-bottom:1px solid var(--border);
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
}

:root[data-theme="light"] header.site-header{
  background: color-mix(in srgb, var(--bg2) 78%, transparent);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  min-width: 240px;
}

.brand svg,
.brand img{
  width: 36px;
  height: 36px;
}

.brand .name{
  display:flex;
  flex-direction:column;
  line-height:1.05;
}

.brand .name strong{
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand .name span{
  font-size: 12px;
  color: var(--muted);
}

nav.primary-nav{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

nav.primary-nav a{
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
  text-decoration:none;
  border:1px solid transparent;
}

nav.primary-nav a:hover{
  color: var(--text);
  border-color: var(--border);
  background: color-mix(in srgb, var(--card) 65%, transparent);
  text-decoration:none;
}

.header-actions{
  display:flex;
  align-items:center;
  gap: 10px;
}

.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border2);
  background: color-mix(in srgb, var(--card) 70%, transparent);
  box-shadow: none;
  color: var(--text);
  text-decoration:none;
  font-weight: 600;
  font-size: 14px;
  cursor:pointer;
  user-select:none;
}

.button:hover{
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border2));
  box-shadow: 0 0 0 6px var(--ring);
  text-decoration:none;
}

.button.primary{
  border-color: transparent;
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(255,255,255,0.22), transparent 55%),
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 80%, #000 0%), color-mix(in srgb, var(--accent2) 70%, #000 0%));
  box-shadow: var(--shadow2);
}

.button.primary:hover{
  box-shadow: var(--shadow), 0 0 0 6px var(--ring);
}

.button.ghost{
  background: transparent;
}

.pill{
  display:inline-flex;
  gap: 8px;
  align-items:center;
  padding: 6px 10px;
  border-radius: 999px;
  border:1px solid var(--border);
  color: var(--muted);
  background: color-mix(in srgb, var(--card) 60%, transparent);
  font-size: 12px;
}

.pill strong{
  color: var(--text);
  font-weight: 700;
}

.hamburger{
  display:none;
}

@media (max-width: 920px){
  nav.primary-nav{
    display:none;
  }
  .hamburger{
    display:inline-flex;
  }
  body[data-menu-open="true"] nav.primary-nav{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap: 6px;
    padding: 10px 0 14px;
  }
  body[data-menu-open="true"] .header-inner{
    flex-wrap:wrap;
  }
  body[data-menu-open="true"] .brand{
    flex: 1 1 auto;
  }
  body[data-menu-open="true"] nav.primary-nav a{
    width:100%;
    justify-content:flex-start;
  }
}

main{
  padding: 0 0 60px;
}

.section{
  padding: 68px 0;
}

.hero{
  padding: 58px 0 30px;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 920px){
  .hero-grid{
    grid-template-columns: 1fr;
  }
}

.hero h1{
  font-size: clamp(32px, 4.2vw, 56px);
  margin: 10px 0 10px;
  letter-spacing:-0.02em;
}

.hero p{
  font-size: 18px;
  line-height: 1.55;
  color: var(--muted);
  margin: 0 0 20px;
}

.hero .cta-row{
  display:flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 18px;
}

.hero .meta-row{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-card{
  position:relative;
  border-radius: var(--radius);
  border:1px solid var(--border);
  background:
    radial-gradient(900px 400px at 10% 0%, rgba(124,58,237,0.25), transparent 60%),
    radial-gradient(700px 420px at 90% 30%, rgba(34,211,238,0.18), transparent 60%),
    linear-gradient(180deg, color-mix(in srgb, var(--card) 75%, transparent), var(--card2));
  box-shadow: var(--shadow);
  overflow:hidden;
}

.hero-card .inner{
  padding: 22px 22px 18px;
}

.kpi-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

@media (max-width: 520px){
  .kpi-grid{
    grid-template-columns: 1fr;
  }
}

.kpi{
  border:1px solid var(--border);
  border-radius: 16px;
  background: color-mix(in srgb, var(--card) 70%, transparent);
  padding: 12px 12px;
}

.kpi .label{
  font-size: 12px;
  color: var(--muted2);
  margin-bottom: 6px;
}

.kpi .value{
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text);
}

.surface{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--card) 70%, transparent);
  box-shadow: var(--shadow2);
}

.cards{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.card{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    radial-gradient(800px 500px at 0% 0%, rgba(124,58,237,0.12), transparent 55%),
    linear-gradient(180deg, color-mix(in srgb, var(--card) 80%, transparent), color-mix(in srgb, var(--card2) 80%, transparent));
  padding: 18px 18px 16px;
  box-shadow: var(--shadow2);
  position:relative;
  overflow:hidden;
}

.card::after{
  content:"";
  position:absolute;
  inset:0;
  background-image: linear-gradient(to right, var(--grid) 1px, transparent 1px), linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.12;
  pointer-events:none;
}

.card > *{
  position:relative;
  z-index:1;
}

.card h3{
  margin: 0 0 8px;
  font-size: 18px;
}

.card p{
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.6;
}

.card .row{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
}

.span-4{ grid-column: span 4; }
.span-5{ grid-column: span 5; }
.span-6{ grid-column: span 6; }
.span-7{ grid-column: span 7; }
.span-8{ grid-column: span 8; }
.span-12{ grid-column: span 12; }

@media (max-width: 920px){
  .span-4, .span-5, .span-6, .span-7, .span-8{ grid-column: span 12; }
}

.section h2{
  font-size: 28px;
  margin: 0 0 12px;
  letter-spacing:-0.02em;
}

.section .lead{
  color: var(--muted);
  max-width: 72ch;
  line-height: 1.65;
  margin: 0 0 22px;
}

.list{
  list-style:none;
  padding:0;
  margin: 0;
  display:grid;
  gap: 10px;
}

.list li{
  display:flex;
  gap: 10px;
  align-items:flex-start;
  padding: 10px 12px;
  border-radius: 14px;
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--card) 72%, transparent);
}

.check{
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--good) 55%, var(--border2));
  background: color-mix(in srgb, var(--good) 18%, transparent);
  margin-top: 2px;
  flex: 0 0 auto;
}

.tag-row{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.tag{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--card2) 70%, transparent);
  color: var(--muted);
}

.tag.good{
  border-color: color-mix(in srgb, var(--good) 40%, var(--border2));
}
.tag.warn{
  border-color: color-mix(in srgb, var(--warn) 40%, var(--border2));
}
.tag.bad{
  border-color: color-mix(in srgb, var(--bad) 45%, var(--border2));
}

.two-col{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items:start;
}

@media (max-width: 920px){
  .two-col{ grid-template-columns: 1fr; }
}

.quote{
  border-left: 3px solid color-mix(in srgb, var(--accent) 55%, transparent);
  padding: 10px 14px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--card) 70%, transparent);
  border: 1px solid var(--border);
  color: var(--muted);
  line-height: 1.7;
}

kbd{
  font-family: var(--mono);
  font-size: 12px;
  padding: 2px 6px;
  border:1px solid var(--border2);
  border-bottom-width: 2px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--card) 75%, transparent);
}

.footer{
  border-top:1px solid var(--border);
  padding: 26px 0 40px;
  color: var(--muted2);
}

.footer a{ color: var(--muted); }
.footer a:hover{ color: var(--text); }

.small{
  font-size: 12px;
  color: var(--muted2);
  line-height: 1.6;
}

hr.sep{
  border:0;
  height:1px;
  background: var(--border);
  margin: 18px 0;
}

.form{
  display:grid;
  gap: 10px;
}

label{
  display:grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

input, textarea{
  width:100%;
  border:1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--card) 70%, transparent);
  color: var(--text);
  padding: 10px 12px;
  font-family: var(--sans);
  font-size: 14px;
}

textarea{
  min-height: 130px;
  resize: vertical;
}

input:focus, textarea:focus, button:focus{
  outline:none;
  box-shadow: 0 0 0 6px var(--ring);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border2));
}

.reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
}

/* Simple "code-like" panel */
.panel{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    radial-gradient(700px 380px at 10% 0%, rgba(34,211,238,0.13), transparent 60%),
    linear-gradient(180deg, color-mix(in srgb, var(--card) 80%, transparent), color-mix(in srgb, var(--card2) 85%, transparent));
  padding: 16px 16px;
}

.panel pre{
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  color: color-mix(in srgb, var(--muted) 92%, var(--text));
  font-size: 13px;
  line-height: 1.65;
  font-family: var(--mono);
}