/* doloop.io + wysiwyd.doloop.io — palette and typography aligned with doloopdigital.com */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Colors (from doloopdigital.com :root) */
  --color-primary: #000;
  --color-primary-light: #5d4489;
  --color-primary-dark: #2f1f4f;
  --color-secondary: #f8c954;
  --color-accent: #f69b23;
  --color-accent-2: #fad02c;

  --color-text: #1a1a1a;
  --color-text-light: #4a4a4a;
  --color-text-muted: #6a6a6a;
  --color-text-inverse: #ffffff;

  --color-bg: #ffffff;
  --color-bg-dark: #000;
  --color-bg-light: #f8f9fa;
  --color-bg-section: #fafbfc;

  --color-rule: #e5e7eb;
  --color-amber-bg: #fef7e6;
  --color-green: #16a34a;
  --color-green-bg: #ecfdf5;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Montserrat', 'League Spartan', sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace;

  /* Layout */
  --container: 980px;
}

html, body { background: var(--color-bg); color: var(--color-text); }
body {
  font-family: var(--font-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-size: 17px;
}

.wrap { max-width: var(--container); margin: 0 auto; padding: 0 28px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-rule);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
}
.site-header .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}
.site-header .brand img { height: 32px; width: auto; display: block; }
.site-header nav { display: flex; gap: 18px; align-items: center; flex-wrap: nowrap; }
.site-header nav a {
  color: var(--color-text-light);
  white-space: nowrap;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
}
.site-header nav a:hover { color: var(--color-primary); }

/* Hero */
.hero {
  padding: 88px 0 72px;
  border-bottom: 1px solid var(--color-rule);
  background: var(--color-bg);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
  max-width: 920px;
  color: var(--color-text);
}
.hero h1 .amber { color: var(--color-accent); }
.hero p.lede {
  font-size: 1.2rem;
  color: var(--color-text-light);
  max-width: none;
  margin-bottom: 36px;
  line-height: 1.55;
}
.hero .pill {
  display: inline-block;
  font-size: 0.72rem;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--color-amber-bg);
  border: 1px solid #facc6e;
  color: #a16207;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
  text-transform: uppercase;
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.06s ease, background 0.15s ease;
  font-family: var(--font-primary);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover { background: #1f1f1f; }
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-rule);
  margin-left: 8px;
}
.btn-ghost:hover { border-color: var(--color-primary); }

/* Sections */
section { padding: 72px 0; border-bottom: 1px solid var(--color-rule); background: var(--color-bg); }
section.alt { background: var(--color-bg-section); }
section h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--color-text);
}
section .lede {
  color: var(--color-text-light);
  font-size: 1.2rem;
  margin-bottom: 28px;
  max-width: none;
  line-height: 1.55;
}
/* document column: text-heavy sections read as one balanced, centered column
   (every element aligns to the same width, no stranded right gutter) */
.doc .wrap { max-width: 760px; }
.doc .lede { max-width: none; margin-bottom: 20px; }

/* Cards (product portfolio) */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-rule);
  border-radius: 14px;
  padding: 32px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  flex-direction: column;
}
.card:hover { border-color: var(--color-primary); box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.card.live { border-color: var(--color-green); border-top: 4px solid var(--color-green); }
.card .status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  display: inline-block;
  font-weight: 600;
}
.card .status.live { color: var(--color-green); }
.card .status.preview { color: var(--color-text-muted); }
.card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.015em;
  color: var(--color-text);
}
.card p { color: var(--color-text-light); margin-bottom: 22px; flex: 1; line-height: 1.6; }
.card a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
}
.card a:hover { color: var(--color-accent); }
.card.disabled { opacity: 0.7; }
.card.disabled a { pointer-events: none; color: var(--color-text-muted); }

/* SR 26-2 callout */
.callout {
  background: var(--color-amber-bg);
  border: 1px solid #facc6e;
  border-left: 4px solid var(--color-accent);
  border-radius: 12px;
  padding: 32px;
  margin: 40px 0 0;
}
.callout h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #a16207;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.callout p { color: var(--color-text); margin-bottom: 12px; line-height: 1.6; }
.callout p:last-child { margin-bottom: 0; }
.callout a { color: #a16207; text-decoration: underline; font-weight: 600; }

/* Pricing */
.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.tier {
  background: var(--color-bg);
  border: 1px solid var(--color-rule);
  border-radius: 14px;
  padding: 36px;
}
.tier.highlight {
  border: 2px solid var(--color-primary);
  background: #fafafa;
}
.tier h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.015em;
}
.tier .price {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  margin: 18px 0;
  color: var(--color-text);
  letter-spacing: -0.025em;
}
.tier .price .per { font-size: 1rem; color: var(--color-text-muted); font-weight: 600; }
.tier ul { list-style: none; margin: 24px 0 28px; padding: 0; }
.tier li {
  padding: 10px 0 10px 30px;
  color: var(--color-text-light);
  position: relative;
  font-size: 1rem;
}
.tier li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-green);
  font-weight: 700;
  font-size: 1.2rem;
}

/* Upload widget */
.upload-zone {
  border: 2px dashed var(--color-rule);
  border-radius: 14px;
  padding: 52px 32px;
  text-align: center;
  background: var(--color-bg-light);
  transition: border-color 0.15s ease, background 0.15s ease;
  cursor: pointer;
  display: block;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--color-primary);
  background: var(--color-bg);
}
.upload-zone input[type=file] { display: none; }
.upload-zone .icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  color: var(--color-primary);
}
.upload-zone p { color: var(--color-text); margin-bottom: 8px; font-size: 1rem; }
.upload-zone .small { font-size: 0.85rem; color: var(--color-text-muted); }
.upload-zone .usage {
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.upload-status {
  margin-top: 24px;
  padding: 24px;
  background: var(--color-bg-light);
  border: 1px solid var(--color-rule);
  border-radius: 10px;
  display: none;
}
.upload-status.visible { display: block; }
.upload-status.error {
  border-color: var(--color-accent);
  background: var(--color-amber-bg);
}
.upload-status h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}
.upload-status pre {
  background: #fff;
  border: 1px solid var(--color-rule);
  padding: 14px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 14px;
  max-height: 260px;
  overflow-y: auto;
}

/* Sample gallery */
.samples {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}
.sample-card {
  background: var(--color-bg);
  border: 1px solid var(--color-rule);
  border-radius: 10px;
  padding: 24px;
  transition: border-color 0.15s ease;
}
.sample-card:hover { border-color: var(--color-primary); }
.sample-card h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.sample-card .meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}
.sample-card p { color: var(--color-text-light); font-size: 1rem; margin-bottom: 16px; }
.sample-card .files {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.sample-card .files a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 5px 11px;
  background: var(--color-bg-light);
  border: 1px solid var(--color-rule);
  border-radius: 4px;
  color: var(--color-text-light);
  text-decoration: none;
  transition: all 0.12s ease;
}
.sample-card .files a:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* Determinism badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--color-green-bg);
  border: 1px solid #86efac;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #15803d;
  font-weight: 600;
}
.badge .dot {
  width: 7px;
  height: 7px;
  background: var(--color-green);
  border-radius: 50%;
}

/* ASCII diagram (plain-language explainer) */
.diagram {
  background: var(--color-bg-dark);
  color: #e9e6df;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 28px 22px;
  margin: 8px 0 40px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: clamp(0.62rem, 2.5vw, 0.86rem);
  line-height: 1.55;
  white-space: pre;
  -webkit-overflow-scrolling: touch;
}

/* Machine diagram (HTML, renders aligned on every browser) */
.dgm {
  background: var(--color-bg-dark);
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 32px 24px;
  margin: 8px 0 40px;
}
.dgm-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.dgm-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8a8a8a;
  margin-bottom: 8px;
  text-align: center;
}
.dgm-box {
  border: 1px solid #5a5a5a;
  border-radius: 8px;
  padding: 16px 22px;
  text-align: center;
  color: #fff;
  background: #111;
}
.dgm-conn {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: #9a9a9a;
  font-size: 0.72rem;
  text-align: center;
  min-width: 96px;
}
.dgm-machine {
  border: 2px solid var(--color-secondary);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.dgm-machine .dgm-eyebrow { color: var(--color-secondary); }
.dgm-inner {
  border: 1px solid #5a5a5a;
  border-radius: 8px;
  padding: 12px 18px;
  text-align: center;
  color: #fff;
}
.dgm-inner small { display: block; color: #b8b8b8; font-size: 0.72rem; margin-top: 4px; }
.dgm-mid { text-align: center; color: #9a9a9a; font-size: 0.72rem; }
.dgm-ship { text-align: center; color: #4ade80; font-size: 0.85rem; line-height: 1.5; }
.dgm-cap {
  font-family: var(--font-primary);
  color: #c4c4c4;
  font-size: 1rem;
  margin: 22px auto 0;
  text-align: center;
  max-width: 660px;
  line-height: 1.55;
}
@media (max-width: 760px) {
  .dgm-flow { font-size: 0.85rem; gap: 12px; }
  .dgm-conn { min-width: 0; flex-direction: row; gap: 16px; }
}

/* Footer */
.site-footer {
  padding: 48px 0 56px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-rule);
}
.site-footer a {
  color: var(--color-text-light);
  text-decoration: none;
  margin: 0 14px;
  font-weight: 600;
}
.site-footer a:hover { color: var(--color-primary); }
.site-footer .built {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  margin-top: 16px;
  color: var(--color-text-muted);
}

/* Mobile menu toggle (CSS-only hamburger, no JS) */
.nav-toggle { display: none; }
.nav-burger {
  display: none;
  width: 28px;
  height: 22px;
  position: relative;
  cursor: pointer;
  z-index: 60;
  margin-left: auto;
}
.nav-burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition: transform 0.2s ease, opacity 0.2s ease, top 0.2s ease;
}
.nav-burger span:nth-child(1) { top: 2px; }
.nav-burger span:nth-child(2) { top: 10px; }
.nav-burger span:nth-child(3) { top: 18px; }
.nav-toggle:checked ~ .nav-burger span:nth-child(1) { top: 10px; transform: rotate(45deg); }
.nav-toggle:checked ~ .nav-burger span:nth-child(2) { opacity: 0; }
.nav-toggle:checked ~ .nav-burger span:nth-child(3) { top: 10px; transform: rotate(-45deg); }

@media (max-width: 760px) {
  /* Header: brand + hamburger inline; nav stacks below when toggle is checked */
  .site-header .wrap {
    flex-wrap: wrap;
    padding: 14px 20px;
  }
  .site-header .brand { font-size: 1rem; }
  .site-header .brand img { height: 26px; }
  .nav-burger { display: block; }
  .site-header nav {
    display: none;
    flex-direction: column;
    width: 100%;
    margin-top: 14px;
    gap: 0;
    padding-top: 12px;
    border-top: 1px solid var(--color-rule);
    order: 99;
  }
  .nav-toggle:checked ~ nav { display: flex; }
  .site-header nav a {
    padding: 12px 4px;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-bg-light);
  }
  .site-header nav a:last-child { border-bottom: none; }

  /* Hero typography tighter on phones */
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: clamp(1.9rem, 9vw, 2.5rem); line-height: 1.12; }
  .hero p.lede { font-size: 1rem !important; }
  .hero .pill { font-size: 0.72rem; padding: 5px 10px; }

  /* Section spacing */
  section { padding: 48px 0; }
  section h2 { font-size: 1.5rem; }
  section .lede { font-size: 1rem; }

  /* Buttons stack full-width and stop sitting awkwardly side-by-side */
  .hero .btn, section .btn { display: block; text-align: center; width: 100%; margin: 0 0 10px; }
  .btn-ghost { margin-left: 0; }

  /* Cards: tighter padding, full width is already default via auto-fit */
  .card { padding: 24px; }
  .tier { padding: 26px; }
  .tier .price { font-size: 2.2rem; }
  .pricing { gap: 14px; }

  /* Upload zone slightly tighter */
  .upload-zone { padding: 36px 22px; }
  .upload-status pre { font-size: 0.72rem; }

  /* Sample card files: smaller chips so 4 fit per row */
  .sample-card .files a { font-size: 0.72rem; padding: 4px 8px; }

  /* Footer link row wraps cleanly */
  .site-footer { padding: 32px 0 36px; }
  .site-footer > .wrap > div {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px 14px;
  }
  .site-footer a { margin: 0; padding: 4px 0; font-size: 0.85rem; }
}

/* mega-menu dropdowns */
.site-header nav .nav-group { position: relative; display: inline-block; }
.site-header nav .nav-group > a::after { content: "\25BE"; font-size: 0.62em; margin-left: 4px; opacity: 0.55; vertical-align: middle; }
.site-header nav .dropdown { position: absolute; top: 100%; left: 0; margin-top: 8px; min-width: 240px; background: #fff; border: 1px solid var(--color-rule); border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.10); padding: 8px; display: none; flex-direction: column; gap: 2px; z-index: 60; }
.site-header nav .nav-group:hover .dropdown { display: flex; }
.site-header nav .dropdown a { padding: 9px 12px; border-radius: 8px; font-size: 0.85rem; white-space: nowrap; color: var(--color-text-light); }
.site-header nav .dropdown a:hover { background: var(--color-bg-light); color: var(--color-text); }
.site-header nav .dropdown .head { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--color-text-muted); padding: 8px 12px 4px; }
@media (max-width: 760px) {
  .site-header nav .nav-group { display: block; }
  .site-header nav .nav-group > a::after { display: none; }
  .site-header nav .dropdown { position: static; display: flex; box-shadow: none; border: none; border-radius: 0; padding: 0 0 6px 16px; margin: 0; min-width: 0; }
  .site-header nav .dropdown .head { padding: 6px 0 2px; }
}
.site-header nav .dropdown::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }

/* nav loops balance badge: smaller + amber pill, distinct from nav links */
.site-header nav a#nav-loops .loop-n { font-size: 0.72rem; font-weight: 600; color: #a16207; background: var(--color-amber-bg); border: 1px solid #facc6e; padding: 2px 9px; border-radius: 999px; margin-left: 7px; line-height: 1; }

/* copy button on code blocks */
.diagram { position: relative; }
.diagram .copy-btn { position: absolute; top: 10px; right: 10px; font-family: var(--font-mono); font-size: 0.72rem; background: rgba(255,255,255,0.10); color: #e9e6df; border: 1px solid rgba(255,255,255,0.22); border-radius: 6px; padding: 3px 10px; cursor: pointer; opacity: 0.65; }
.diagram .copy-btn:hover { opacity: 1; background: rgba(255,255,255,0.18); }

/* evidence chip — a plain external stat with its source, linking to the evidence page.
   Plain fact + citation (industry reality), not borrowed authority. Used site-wide. */
.evcite{display:flex;align-items:baseline;gap:14px;text-decoration:none;border:1px solid var(--color-rule);
  border-left:3px solid var(--color-primary);border-radius:8px;background:var(--color-bg-light);
  padding:12px 16px;margin:14px 0;transition:border-color .15s ease;}
.evcite:hover{border-left-color:var(--color-accent);}
.evcite .evn{font-family:var(--font-mono);font-size:1.02rem;font-weight:600;color:var(--color-text);white-space:nowrap;}
.evcite .evt{font-size:.9rem;color:var(--color-text-light);line-height:1.5;}
.evcite .evs{color:var(--color-text-muted);white-space:nowrap;font-family:var(--font-mono);font-size:.8rem;}
.evcite-row{display:grid;gap:10px;margin:20px 0;}
@media(max-width:600px){.evcite{flex-direction:column;gap:4px;}}