/* Roko's Basilisk Fundraiser
   Monochrome + cyber blue / orange. Deadpan SaaS. */

@font-face {
  font-family: 'Ode';
  src: url('/Ode-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

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

:root {
  --bg: #0b0b0f;
  --surface: #141418;
  --surface-raised: #1c1c22;
  --border: #252530;
  --border-hover: #3a3a48;
  --text: #c8c8d0;
  --text-muted: #a0a0aa;
  --text-bright: #f0f0f4;
  --accent: #3388ff;
  --accent-hover: #5ca0ff;
  --accent-on: #fff;
  --accent-dim: rgba(51, 136, 255, 0.08);
  --accent-glow: rgba(51, 136, 255, 0.2);
  --accent-glow-strong: rgba(51, 136, 255, 0.35);
  --accent2: #f59e0b;
  --accent2-dim: rgba(245, 158, 11, 0.1);
  --link-visited: #8a8a96;
  --radius: 6px;
  --radius-sm: 4px;
  --transition: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --bg-gradient:
    radial-gradient(ellipse 80% 60% at 5% 5%, rgba(120, 60, 10, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 80% 60% at 95% 95%, rgba(20, 50, 120, 0.12) 0%, transparent 60%),
    var(--bg);
}

[data-theme="light"] {
  --bg: #fafafa;
  --surface: #fff;
  --surface-raised: #fff;
  --border: #e2e2e8;
  --border-hover: #ccccd4;
  --text: #3a3a42;
  --text-muted: #555560;
  --text-bright: #111118;
  --accent: #1a6bff;
  --accent-hover: #0050d0;
  --accent-on: #fff;
  --accent-dim: rgba(26, 107, 255, 0.06);
  --accent-glow: rgba(26, 107, 255, 0.12);
  --accent-glow-strong: rgba(26, 107, 255, 0.2);
  --accent2: #d97706;
  --accent2-dim: rgba(217, 119, 6, 0.08);
  --link-visited: #6a6a76;
  --bg-gradient:
    radial-gradient(ellipse 80% 60% at 5% 5%, rgba(255, 180, 100, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 80% 60% at 95% 95%, rgba(100, 150, 255, 0.12) 0%, transparent 60%),
    var(--bg);
}

/* --- base -------------------------------------------- */

body {
  font: 400 19px/1.75 system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg-gradient);
  background-attachment: fixed;
  max-width: 660px;
  margin: 0 auto;
  padding: 56px 24px 80px;
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent);
  color: var(--accent-on);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:visited { color: var(--link-visited); }
a:hover { color: var(--accent-hover); text-decoration: underline; }

p { margin-bottom: 1em; }

hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 56px 0;
}

/* --- scroll reveal ----------------------------------- */

@keyframes reveal {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.content > *,
.content > .qa,
.card,
.panel,
details {
  animation: reveal 0.5s var(--transition) both;
}

.content > *:nth-child(1) { animation-delay: 0s; }
.content > *:nth-child(2) { animation-delay: 0.04s; }
.content > *:nth-child(3) { animation-delay: 0.08s; }
.content > *:nth-child(4) { animation-delay: 0.12s; }
.content > *:nth-child(5) { animation-delay: 0.16s; }
.content > *:nth-child(6) { animation-delay: 0.2s; }

/* --- shine animation --------------------------------- */

@keyframes shine {
  0% { left: -100%; }
  100% { left: 200%; }
}

/* --- headings ---------------------------------------- */

h1 {
  font: 500 3.5rem/1.05 'Ode', system-ui, sans-serif;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--text-bright) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

h2 {
  font: 500 16px/1 ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent2);
  margin-bottom: 16px;
}

h3 {
  font: 500 2.2rem/1.15 'Ode', system-ui, sans-serif;
  background: linear-gradient(135deg, var(--text-bright) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

h4 {
  font: 500 1rem/1.5 system-ui, sans-serif;
  color: var(--accent);
  margin-bottom: 8px;
}

/* --- kicker ------------------------------------------ */

.kicker {
  font: 500 16px/1 ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--accent2);
  margin-bottom: 20px;
}

/* --- text utilities ---------------------------------- */

.text-accent { color: var(--accent); }

.highlight {
  background: linear-gradient(transparent 55%, var(--accent2-dim) 55%);
  padding: 0 3px;
  border-radius: 2px;
}

/* --- cta --------------------------------------------- */

.text-center { text-align: center; margin: 40px 0; }

a.cta {
  display: inline-block;
  font: 700 16px/1 system-ui, sans-serif;
  padding: 18px 44px;
  background: var(--accent);
  color: var(--accent-on);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-decoration: none;
  border-radius: var(--radius);
  box-shadow: 0 0 20px var(--accent-glow), 0 0 60px var(--accent-dim);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}
a.cta:visited { color: var(--accent-on); }
a.cta:hover {
  background: var(--accent-hover);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 0 24px var(--accent-glow-strong), 0 0 80px var(--accent-glow);
}
a.cta:hover::after {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shine 0.5s ease-out;
}
a.cta:active { transform: translateY(0); }

/* --- card -------------------------------------------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin: 28px 0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.card p { color: var(--text-muted); line-height: 1.7; margin-bottom: 0; }
.card p + p { margin-top: 8px; }
.card strong { color: var(--text-bright); }

/* --- badge ------------------------------------------- */

.badge {
  display: inline-block;
  font: 500 16px/1 ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 16px;
  background: var(--accent-dim);
}

/* --- panel ------------------------------------------- */

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin: 28px 0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  position: relative;
  overflow: hidden;
}
.panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent2), transparent);
}

.fine-print { color: var(--text-muted); line-height: 1.7; margin-bottom: 22px; font-size: .9em;}

.footnote {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--accent-dim);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
}

/* --- form -------------------------------------------- */

.form-field { margin-bottom: 18px; }
.form-field label {
  display: block;
  font: 500 16px/1 ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.form-field input[type="text"],
.form-field input[type="url"] {
  font-family: inherit;
  font-size: inherit;
  font-weight: 400;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
.checkbox-field input { accent-color: var(--accent); cursor: pointer; width: 18px; height: 18px; }
.checkbox-field label { cursor: pointer; }

.btn-submit {
  font: 700 16px/1 system-ui, sans-serif;
  width: 100%;
  padding: 18px;
  background: var(--accent);
  color: var(--accent-on);
  border: none;
  border-radius: var(--radius);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  cursor: pointer;
  box-shadow: 0 0 20px var(--accent-glow);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 0 28px var(--accent-glow-strong);
}
.btn-submit:hover::after {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shine 0.5s ease-out;
}
.btn-submit:active { transform: translateY(0); }

/* --- qa ---------------------------------------------- */

.qa {
  margin-bottom: 36px;
  padding-left: 16px;
  border-left: 2px solid var(--border);
  transition: border-color var(--transition);
}
.qa:hover { border-color: var(--accent); }
.qa p { line-height: 1.8; }

/* --- accent list ------------------------------------- */

.content ul { list-style: none; }
.content ul li {
  padding: 16px 18px;
  margin-bottom: 10px;
  line-height: 1.7;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent2);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), transform var(--transition);
}
.content ul li:hover {
  border-color: var(--border-hover);
  border-left-color: var(--accent2);
  transform: translateX(2px);
}
.content ul li em { color: var(--text-bright); font-style: italic; }

/* --- details ----------------------------------------- */

details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent2);
  border-radius: var(--radius-sm);
  margin: 28px 0;
  transition: border-color var(--transition), box-shadow var(--transition);
}
details:hover { border-color: var(--border-hover); border-left-color: var(--accent2); }
details[open] { box-shadow: 0 2px 16px rgba(0,0,0,0.12); }

details summary {
  font: 500 1rem/1.5 system-ui, sans-serif;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  color: var(--text-bright);
  transition: background var(--transition);
  border-radius: var(--radius-sm);
}
details summary:hover { background: var(--accent-dim); }
details summary::-webkit-details-marker { display: none; }
details summary::before {
  content: "\25B8\00a0\00a0";
  color: var(--accent2);
  display: inline-block;
}
details[open] summary::before { content: "\25BE\00a0\00a0"; }

.details-body {
  padding: 4px 20px 20px;
  line-height: 1.8;
  color: var(--text);
}
.details-body p { margin-bottom: 12px; }
.details-body h3 { margin: 22px 0 8px; color: var(--text-bright); }
.details-body p:last-child { margin-bottom: 0; }

/* --- sticky header ----------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  display: flex; 
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  margin: -12px 0 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}

.site-name {
  font: 500 16px/1 ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 1px;
  transition: color var(--transition);
}
.site-name:visited { color: var(--text-muted); }
.site-name:hover { color: var(--text-bright); text-decoration: none; }

.btn-theme {
  font: 500 16px/1 ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
  padding: 6px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.btn-theme:hover { border-color: var(--accent); color: var(--accent); }
.btn-theme svg { vertical-align: -2px; margin-right: 4px; }

/* --- banner ------------------------------------------ */

.banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 18px 24px;
  z-index: 1000;
  text-align: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.banner.hidden { transform: translateY(100%); pointer-events: none; }
.banner p { max-width: 640px; margin: 0 auto 12px; line-height: 1.6; color: var(--text-muted); }
.banner strong { color: var(--accent); }
.banner button {
  font: 500 16px/1 system-ui, sans-serif;
  padding: 8px 22px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.banner button:hover { background: var(--accent); color: var(--accent-on); }

/* --- footer ------------------------------------------ */

footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  display: flex;
  justify-content: center;
  gap: 24px;
}

/* --- counter ----------------------------------------- */

.counter {
  text-align: center;
  font: 500 16px/1 ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
  color: var(--text-muted);
  margin-top: 16px;
  letter-spacing: 1.5px;
  opacity: 0.7;
}
.counter .count { color: var(--accent); font-weight: 700; }

/* --- modal ------------------------------------------- */

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  justify-content: center;
  align-items: center;
}
.overlay.visible { display: flex; }

.dialog {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  max-width: 380px;
  width: 90%;
  text-align: center;
  line-height: 1.7;
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
  animation: reveal 0.3s var(--transition) both;
}
.dialog p { margin-bottom: 20px; }
.dialog button {
  font: 500 16px/1 system-ui, sans-serif;
  padding: 8px 22px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.dialog button:hover { background: var(--accent); color: var(--accent-on); }

/* --- responsive -------------------------------------- */

@media (max-width: 480px) {
  body { padding: 32px 18px 64px; font-size: 16px; }
  h1 { font-size: 2rem; }
  a.cta { padding: 16px 32px; }
  .card, .panel { padding: 24px; }
  .theme-fixed { top: 10px; right: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}