/* ============================================================
   BEVEL KEYS — design system
   Signature: the chamfer. Every enclosure has one honest cut
   corner instead of a rounded one — buttons, cards, panels.
   Palette: graphite instrument body + steel + one copper signal.
   Type: IBM Plex family — engineered, not decorative.
   ============================================================ */

:root{
  /* ---- surfaces ---- */
  --ink:        #121310;   /* primary background — warm-neutral near-black */
  --ink-2:      #171814;   /* elevated panel */
  --ink-3:      #1E201B;   /* higher elevation / hover */
  --line:       #34362E;   /* hairline on dark */
  --line-soft:  #26271F;

  --paper:      #F1EAE0;   /* warm cream — used sparingly as inset surface */
  --paper-2:    #E7DFD1;
  --paper-ink:  #201E19;   /* text on paper */
  --paper-line: #D3C9B6;

  /* ---- text on dark ---- */
  --text-1:     #F4F1EA;   /* headings */
  --text-2:     #C7C9C2;   /* body */
  --text-3:     #8F9289;   /* muted / captions */
  --steel:      #9AA7A2;   /* cool steel — secondary accents, icons, rules */
  --steel-2:    #6C7873;

  /* ---- signal accent (the indicator light) ---- */
  --copper:     #FF7A3D;
  --copper-2:   #E35F22;
  --copper-dim: #B2531F;

  /* ---- type ---- */
  --font-display: 'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono:    'IBM Plex Mono', 'SFMono-Regular', monospace;

  /* ---- scale ---- */
  --max: 1180px;
  --gutter: 32px;

  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;
  --sp-9: 96px; --sp-10: 128px;

  /* chamfer size used across buttons/cards/panels */
  --bevel: 18px;
  --bevel-sm: 10px;

  color-scheme: dark;
}

/* Light theme — paper instrument; toggled via html[data-theme="light"] */
html[data-theme="light"]{
  color-scheme: light;
  --ink:        #F1EAE0;
  --ink-2:      #FBF8F2;
  --ink-3:      #E7DFD1;
  --line:       #D3C9B6;
  --line-soft:  #E0D8C8;

  --paper:      #121310;
  --paper-2:    #1E201B;
  --paper-ink:  #F4F1EA;
  --paper-line: #34362E;

  --text-1:     #201E19;
  --text-2:     #4A463D;
  --text-3:     #8A8274;
  --steel:      #6C7873;
  --steel-2:    #8A8274;

  --copper:     #E35F22;
  --copper-2:   #FF7A3D;
  --copper-dim: #B2531F;
}

html[data-theme="light"] .btn-primary{
  color:#FBF8F2;
}
html[data-theme="light"] .btn-primary .btn-dot{
  background:#FBF8F2;
  box-shadow:0 0 0 2px rgba(251,248,242,.2);
}

/* ============================================================
   RESET
   ============================================================ */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ font-size:16px; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; scroll-behavior:smooth; }
body{
  background:var(--ink);
  color:var(--text-2);
  font-family:var(--font-display);
  line-height:1.6;
  font-size:1rem;
  overflow-x:hidden;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
input,select,textarea{ font:inherit; color:inherit; }

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

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

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--text-1);
  font-weight:600;
  line-height:1.12;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.6rem, 5.4vw, 4.6rem); font-weight:650; letter-spacing:-0.02em; }
h2{ font-size:clamp(1.9rem, 3.2vw, 2.75rem); }
h3{ font-size:1.35rem; }
h4{ font-size:1.05rem; }

p{ max-width:62ch; }
.lede{ font-size:1.2rem; color:var(--text-2); max-width:52ch; }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:var(--sp-2);
  font-family:var(--font-mono);
  font-size:0.72rem;
  font-weight:500;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--copper);
  margin-bottom:var(--sp-4);
}
.eyebrow::before{
  content:"";
  width:6px; height:6px;
  background:var(--copper);
  display:inline-block;
  clip-path:polygon(0 0, 70% 0, 100% 30%, 100% 100%, 30% 100%, 0 70%);
}

.mono{ font-family:var(--font-mono); }
.text-3{ color:var(--text-3); }
.center{ text-align:center; margin-left:auto; margin-right:auto; }

/* ============================================================
   LAYOUT
   ============================================================ */
.wrap{ max-width:var(--max); margin:0 auto; padding:0 var(--gutter); }
.section{ padding:var(--sp-9) 0; border-bottom:1px solid var(--line-soft); }
.section-tight{ padding:var(--sp-7) 0; }
.section-paper{ background:var(--paper); color:var(--paper-ink); border-bottom:1px solid var(--paper-line); }
.section-paper h2, .section-paper h3, .section-paper h4{ color:var(--paper-ink); }
.section-paper .eyebrow{ color:var(--copper-2); }
.section-paper p{ color:#4A463D; }

.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:var(--sp-8); }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:var(--sp-6); }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:var(--sp-5); }

@media (max-width:900px){
  .grid-2,.grid-3,.grid-4{ grid-template-columns:1fr; }
  .section{ padding:var(--sp-7) 0; }
}

/* ============================================================
   NAV
   ============================================================ */
.site-nav{
  position:sticky; top:0; z-index:100;
  /* Solid, not backdrop-filter: a blurred ancestor becomes a containing
     block for position:fixed children, which breaks the mobile drawer
     below (it gets trapped inside this 72px box instead of the viewport). */
  background:var(--ink);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{
  max-width:var(--max); margin:0 auto; padding:0 var(--gutter);
  height:72px; display:flex; align-items:center; justify-content:space-between;
}
.nav-brand{ display:flex; align-items:center; gap:12px; }
.nav-brand img{ width:30px; height:30px; }
.nav-brand-text{
  font-family:var(--font-mono); font-size:0.85rem; font-weight:600;
  letter-spacing:0.08em; text-transform:uppercase; color:var(--text-1);
}
.nav-links{ display:flex; align-items:center; gap:var(--sp-6); }
.nav-links a{
  font-size:0.88rem; color:var(--text-3); transition:color .15s;
}
.nav-links a:hover, .nav-links a.active{ color:var(--text-1); }
.nav-cta{ display:flex; align-items:center; gap:var(--sp-4); }
.nav-toggle{ display:none; }

.theme-toggle{
  width:40px; height:40px;
  display:inline-flex; align-items:center; justify-content:center;
  border:1px solid var(--line);
  background:var(--ink-2);
  color:var(--text-1);
  clip-path:polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition:background .15s ease, border-color .15s ease, color .15s ease;
  flex-shrink:0;
}
.theme-toggle:hover{
  background:var(--ink-3);
  border-color:var(--steel-2);
}
.theme-toggle svg{ width:18px; height:18px; display:block; }
.theme-toggle .icon-sun{ display:none; }
.theme-toggle .icon-moon{ display:block; }
html[data-theme="light"] .theme-toggle{
  background:var(--ink-2);
  border-color:var(--line);
  color:var(--copper);
}
html[data-theme="light"] .theme-toggle .icon-sun{ display:block; }
html[data-theme="light"] .theme-toggle .icon-moon{ display:none; }

@media (max-width:820px){
  .nav-links{
    position:fixed; inset:72px 0 0 0; background:var(--ink); z-index:99;
    flex-direction:column; align-items:flex-start; padding:var(--sp-6) var(--gutter);
    gap:var(--sp-5); transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity .18s ease, transform .18s ease;
  }
  .nav-links.open{ opacity:1; pointer-events:auto; transform:translateY(0); }
  .nav-links a{ font-size:1.1rem; }
  .nav-cta .btn-primary-label{ display:none; }
  .nav-toggle{
    display:flex; flex-direction:column; gap:5px; width:22px; padding:8px 0;
  }
  .nav-toggle span{ width:100%; height:2px; background:var(--text-1); }
}

/* ============================================================
   BUTTONS — chamfered corner is the brand signature
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-display); font-weight:600; font-size:0.92rem;
  padding:13px 22px;
  clip-path:polygon(0 0, calc(100% - var(--bevel)) 0, 100% var(--bevel), 100% 100%, var(--bevel) 100%, 0 calc(100% - var(--bevel)));
  transition:transform .15s ease, background .15s ease, box-shadow .15s ease;
  position:relative;
}
.btn-primary{
  background:var(--copper);
  color:#1A0E06;
}
.btn-primary:hover{ background:#FF8B54; transform:translateY(-1px); }
.btn-primary:active{ transform:translateY(0); }
.btn-ghost{
  background:transparent;
  color:var(--text-1);
  border:1px solid var(--line);
}
.btn-ghost:hover{ border-color:var(--steel); background:var(--ink-2); }
.btn-on-paper{
  background:var(--paper-ink);
  color:var(--paper);
}
.btn-on-paper:hover{ background:#3A362E; }
.btn-sm{ padding:9px 16px; font-size:0.82rem; }

.btn-dot{
  width:7px; height:7px; border-radius:999px; background:#1A0E06;
  box-shadow:0 0 0 2px rgba(26,14,6,.15);
  flex-shrink:0;
}
.btn-ghost .btn-dot, .btn-on-paper .btn-dot{ background:var(--copper); box-shadow:none; }

.cta-row{ display:flex; align-items:center; gap:var(--sp-5); flex-wrap:wrap; }

/* ============================================================
   CARDS / PANELS — chamfered corner, hairline border
   ============================================================ */
.panel{
  background:var(--ink-2);
  border:1px solid var(--line);
  padding:var(--sp-6);
  clip-path:polygon(0 0, calc(100% - var(--bevel)) 0, 100% var(--bevel), 100% 100%, 0 100%);
}
.panel-plain{
  background:var(--ink-2);
  border:1px solid var(--line);
  padding:var(--sp-6);
}

.card-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:var(--sp-5); }
@media (max-width:900px){ .card-grid{ grid-template-columns:1fr; } }

.feature-card .tier{
  display:block;
  margin:0 0 var(--sp-3);
  font-family:var(--font-mono);
  font-size:0.72rem;
  font-weight:600;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--copper);
}
.feature-card h3{ margin-bottom:var(--sp-3); font-size:1.1rem; }
.feature-card p{ color:var(--text-3); font-size:0.94rem; }
.feature-card .icon{
  width:34px; height:34px; margin-bottom:var(--sp-4);
  background:var(--ink-3); border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  clip-path:polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}
.icon svg{ width:16px; height:16px; }

#contact{ scroll-margin-top:96px; }

/* ============================================================
   STEPS (real sequence — create → store → unlock)
   ============================================================ */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:var(--sp-6); counter-reset:step; }
@media (max-width:900px){ .steps{ grid-template-columns:1fr; } }
.step{ position:relative; padding-top:var(--sp-6); border-top:1px solid var(--line); }
.step-num{
  font-family:var(--font-mono); font-size:0.78rem; color:var(--copper);
  letter-spacing:0.1em; margin-bottom:var(--sp-3); display:block;
}
.step h3{ margin-bottom:var(--sp-2); font-size:1.15rem; }
.step p{ color:var(--text-3); font-size:0.94rem; }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  padding:var(--sp-10) 0 var(--sp-9);
  overflow:hidden;
  background:
    radial-gradient(1100px 520px at 82% -10%, rgba(255,122,61,0.10), transparent 60%),
    radial-gradient(900px 480px at -10% 10%, rgba(154,167,162,0.08), transparent 55%),
    var(--ink);
}
.hero-grid{
  position:absolute; inset:0; opacity:.35; pointer-events:none;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to bottom, black, transparent 75%);
}
.hero-inner{ position:relative; max-width:760px; }
.hero h1{ margin-bottom:var(--sp-5); }
.hero .lede{ margin-bottom:var(--sp-7); font-size:1.22rem; }
.hero-visual{
  margin-top:var(--sp-9);
  border:1px solid var(--line);
  background:var(--ink-2);
  clip-path:polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
  padding:1px;
  overflow:hidden;
  width:fit-content;
  max-width:100%;
}
.hero-visual img{
  display:block;
  width:auto;
  max-width:min(100%, 1100px);
  height:auto;
}
.hero-visual img.hero-dark{ display:block; }
.hero-visual img.hero-light{ display:none; }
html[data-theme="light"] .hero-visual img.hero-dark{ display:none; }
html[data-theme="light"] .hero-visual img.hero-light{ display:block; }

.reveal{ opacity:0; transform:translateY(14px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ============================================================
   VAULT DEVICE ILLUSTRATION (hero signature visual)
   ============================================================ */
.vault-device{ padding:var(--sp-8) var(--sp-7); display:flex; justify-content:center; }

/* ============================================================
   TABLES — pricing / compare
   ============================================================ */
table{ width:100%; border-collapse:collapse; }
.compare-table th,.compare-table td{
  padding:var(--sp-4) var(--sp-4);
  border-bottom:1px solid var(--line);
  text-align:left; font-size:0.92rem;
}
.compare-table th{
  font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--text-3); font-weight:500;
}
.compare-table td:not(:first-child), .compare-table th:not(:first-child){ text-align:center; }
.yes{ color:var(--copper); font-weight:600; }
.no{ color:var(--text-3); }

/* ============================================================
   PRICING
   ============================================================ */
.price-grid{ display:grid; grid-template-columns:1fr 1fr; gap:var(--sp-6); }
@media (max-width:820px){ .price-grid{ grid-template-columns:1fr; } }
.price-card{ padding:var(--sp-7); }
.price-card.is-premium{ border-color:var(--copper-dim); }
.price-tier{ font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--text-3); margin-bottom:var(--sp-3); }
.price-amount{ font-size:2.6rem; font-weight:650; color:var(--text-1); margin-bottom:var(--sp-5); }
.price-amount span{ font-size:1rem; color:var(--text-3); font-weight:500; }
.price-list{ margin:var(--sp-6) 0; display:flex; flex-direction:column; gap:var(--sp-3); }
.price-list li{ display:flex; gap:10px; font-size:0.92rem; color:var(--text-2); align-items:flex-start; }
.price-list li::before{ content:"—"; color:var(--copper); flex-shrink:0; }

/* ============================================================
   FAQ (details/summary accordion)
   ============================================================ */
.faq-list{ display:flex; flex-direction:column; }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-item summary{
  cursor:pointer; list-style:none; padding:var(--sp-5) 0;
  display:flex; align-items:center; justify-content:space-between; gap:var(--sp-4);
  font-family:var(--font-display); font-weight:600; color:var(--text-1); font-size:1.02rem;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary .plus{
  font-family:var(--font-mono); color:var(--copper); font-size:1.1rem; flex-shrink:0;
  transition:transform .15s ease;
}
.faq-item[open] summary .plus{ transform:rotate(45deg); }
.faq-item .faq-a{ padding:0 0 var(--sp-5); color:var(--text-3); max-width:68ch; font-size:0.96rem; }

/* ============================================================
   CALLOUTS
   ============================================================ */
.callout{
  border-left:2px solid var(--copper);
  padding:var(--sp-4) var(--sp-5);
  background:var(--ink-2);
  font-size:0.95rem;
  color:var(--text-2);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{ padding:var(--sp-8) 0 var(--sp-7); }
.footer-top{
  display:flex; justify-content:space-between; gap:var(--sp-7);
  padding-bottom:var(--sp-7); border-bottom:1px solid var(--line-soft);
  flex-wrap:wrap;
}
.footer-brand{ display:flex; align-items:center; gap:12px; }
.footer-brand img{ width:26px; height:26px; }
.footer-cols{ display:flex; gap:var(--sp-8); flex-wrap:wrap; }
.footer-col h4{
  font-family:var(--font-mono); font-size:0.7rem; letter-spacing:0.12em;
  text-transform:uppercase; color:var(--text-3); font-weight:500; margin-bottom:var(--sp-4);
}
.footer-col a{ display:block; font-size:0.88rem; color:var(--text-2); padding:4px 0; }
.footer-col a:hover{ color:var(--copper); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:var(--sp-6); flex-wrap:wrap; gap:var(--sp-3);
}
.footer-bottom p{ font-size:0.8rem; color:var(--text-3); }
.footer-legal{ display:flex; gap:var(--sp-5); }
.footer-legal a{ font-size:0.8rem; color:var(--text-3); }
.footer-legal a:hover{ color:var(--text-1); }

/* ============================================================
   MISC
   ============================================================ */
.stat-row{ display:flex; gap:var(--sp-8); flex-wrap:wrap; }
.stat{ }
.stat .num{ font-family:var(--font-mono); font-size:1.6rem; color:var(--text-1); }
.stat .label{ font-size:0.82rem; color:var(--text-3); max-width:22ch; }

.divider{ height:1px; background:var(--line); margin:var(--sp-7) 0; }

.skip-link{
  position:absolute; left:-9999px; top:0; background:var(--copper); color:#1a0e06;
  padding:10px 16px; z-index:1000;
}
.skip-link:focus{ left:var(--gutter); top:var(--sp-3); }

.page-hero{ padding:var(--sp-9) 0 var(--sp-7); }
.page-hero h1{ max-width:16ch; }
.page-hero .lede{ margin-top:var(--sp-4); }

.two-col{ display:grid; grid-template-columns:1.1fr 0.9fr; gap:var(--sp-8); align-items:start; }
@media (max-width:900px){ .two-col{ grid-template-columns:1fr; } }

.kv-list{ display:flex; flex-direction:column; gap:var(--sp-4); }
.kv-row{ display:flex; justify-content:space-between; gap:var(--sp-4); border-bottom:1px solid var(--line); padding-bottom:var(--sp-3); font-size:0.92rem; }
.kv-row .k{ color:var(--text-3); }
.kv-row .v{ color:var(--text-1); font-family:var(--font-mono); }

.tag-row{ display:flex; gap:var(--sp-3); flex-wrap:wrap; margin-top:var(--sp-5); }
.tag{
  font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.06em;
  padding:6px 12px; border:1px solid var(--line); color:var(--text-3);
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-form{ margin-top:var(--sp-2); }
.contact-form .field{ margin-bottom:var(--sp-5); }
.contact-form label{
  display:block;
  font-family:var(--font-mono);
  font-size:0.78rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--text-3);
  margin-bottom:var(--sp-2);
}
.contact-form label .optional{
  text-transform:none;
  letter-spacing:0;
  font-weight:400;
  color:var(--steel-2);
}
.contact-form input,
.contact-form textarea{
  width:100%;
  font-family:var(--font-mono);
  font-size:1rem;
  padding:12px 14px;
  border:1px solid var(--line);
  background:var(--ink-2);
  color:var(--text-1);
  border-radius:0;
  clip-path:polygon(0 0, calc(100% - var(--bevel-sm)) 0, 100% var(--bevel-sm), 100% 100%, 0 100%);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder{ color:var(--text-3); }
.contact-form input:focus,
.contact-form textarea:focus{
  outline:2px solid var(--copper);
  outline-offset:1px;
  border-color:var(--copper-dim);
}
.contact-form textarea{ min-height:160px; resize:vertical; line-height:1.5; }
.contact-form .hp{
  position:absolute;
  left:-9999px;
  width:1px;
  height:1px;
  overflow:hidden;
}
.contact-actions{ margin-top:var(--sp-2); display:flex; flex-wrap:wrap; gap:var(--sp-3); align-items:center; }
.contact-msg{ font-size:0.9rem; line-height:1.55; margin-top:var(--sp-4); }
.contact-msg.ok{ color:var(--steel); }
.contact-msg.err{ color:#E07070; }

/* ============================================================
   I/O SWITCH — Drams-inspired tactile toggle
   Markup: <button type="button" class="io-switch" data-io-switch
            aria-checked="false" aria-label="…">…</button>
   JS fills the track if empty. aria-checked=false = left (I/off);
   true = right (O/on, copper track).
   ============================================================ */
.io-switch-field{
  display:inline-flex;
  align-items:center;
  gap:var(--sp-4);
  margin:var(--sp-6) 0 0;
}
.io-switch-label{
  font-family:var(--font-mono);
  font-size:0.78rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--text-3);
  transition:color 0.25s ease;
}
.io-switch-label.is-active{ color:var(--text-1); }

.io-switch{
  --io-w: 79px;
  --io-h: 40px;
  --io-knob: 32px;
  --io-travel: 39px; /* 42px left rest → 3px right rest */
  position:relative;
  width:var(--io-w);
  height:var(--io-h);
  flex:none;
  padding:0;
  border:0;
  background:transparent;
  cursor:pointer;
  -webkit-tap-highlight-color:transparent;
}
.io-switch:focus-visible{
  outline:2px solid var(--copper);
  outline-offset:4px;
  border-radius:999px;
}
.io-switch-track{
  position:absolute;
  inset:0;
  border-radius:999px;
  background:#E3E3E3;
  box-shadow:inset 0 1px 2px rgba(0,0,0,0.25);
  overflow:hidden;
  transition:
    background-color 0.35s cubic-bezier(0.22, 1.15, 0.36, 1),
    box-shadow 0.35s ease;
}
.io-switch[aria-checked="true"] .io-switch-track{
  background:var(--copper);
  box-shadow:none;
}

.io-switch-icons{
  position:absolute;
  top:50%;
  left:50%;
  width:76px;
  height:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  transform:translate(-63%, -50%);
  transition:transform 0.45s cubic-bezier(0.22, 1.35, 0.36, 1);
  pointer-events:none;
}
.io-switch[aria-checked="true"] .io-switch-icons{
  transform:translate(-27%, -50%);
}
.io-switch-i{
  width:2px;
  height:16px;
  background:#fff;
  border-radius:1px;
  flex:none;
}
.io-switch-o{
  width:16px;
  height:16px;
  border:3px solid #FAFAFA;
  border-radius:50%;
  box-sizing:border-box;
  flex:none;
}

.io-switch-knob{
  position:absolute;
  top:50%;
  left:3px;
  width:34px;
  height:34px;
  transform:translateY(-50%);
  transition:transform 0.45s cubic-bezier(0.22, 1.35, 0.36, 1);
  pointer-events:none;
}
.io-switch[aria-checked="true"] .io-switch-knob{
  transform:translate(var(--io-travel), -50%);
}
.io-switch-knob::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:50%;
  background:linear-gradient(180deg, #fff 0%, #D1D1D1 100%);
  box-shadow:
    0 0.8px 1.2px -0.6px rgba(0,0,0,0.26),
    0 2.1px 3px -1.25px rgba(0,0,0,0.25),
    0 4.2px 5.9px -1.9px rgba(0,0,0,0.24),
    0 8px 11.2px -2.5px rgba(0,0,0,0.22),
    0 16px 22px -3.1px rgba(0,0,0,0.18),
    0 35px 49px -3.75px rgba(0,0,0,0.09);
  transition:opacity 0.25s ease;
}
.io-switch[aria-checked="true"] .io-switch-knob::before{ opacity:0.55; }
.io-switch-knob-face{
  position:absolute;
  left:50%;
  top:50%;
  width:var(--io-knob);
  height:var(--io-knob);
  margin:-16px 0 0 -16px;
  border-radius:50%;
  background:linear-gradient(180deg, #F2F2F2 0%, #E8E8E8 100%);
}

/* Optional paper-surface host (e.g. inset demo card) */
.io-switch-stage{
  background:var(--paper);
  color:var(--paper-ink);
  border:1px solid var(--paper-line);
  padding:var(--sp-7) var(--sp-6);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:var(--sp-4);
  clip-path:polygon(0 0, calc(100% - var(--bevel)) 0, 100% var(--bevel), 100% 100%, 0 100%);
}
.io-switch-stage .io-switch-field{ margin:0; }
.io-switch-stage .io-switch-label{ color:#8A8274; }
.io-switch-stage .io-switch-label.is-active{ color:var(--paper-ink); }

/* Compare page: dim inactive column when switch drives highlight */
.compare-panels .panel{
  transition:opacity 0.35s ease, border-color 0.35s ease;
}
.compare-panels .panel.is-dimmed{
  opacity:0.45;
}
.compare-panels .panel.is-active{
  border-color:var(--copper-dim);
  opacity:1;
}

@media (prefers-reduced-motion: reduce){
  .io-switch-track,
  .io-switch-icons,
  .io-switch-knob,
  .io-switch-label,
  .compare-panels .panel{
    transition:none;
  }
}

/* ============================================================
   BRAND GUIDELINES PAGE
   ============================================================ */
.brand-toc{
  display:flex; flex-wrap:wrap; gap:var(--sp-3) var(--sp-5);
  margin-top:var(--sp-6);
}
.brand-toc a{
  font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.12em;
  text-transform:uppercase; color:var(--text-3);
}
.brand-toc a:hover{ color:var(--copper); }

.swatch-grid{
  display:grid; grid-template-columns:repeat(auto-fill,minmax(160px,1fr));
  gap:var(--sp-4); margin-top:var(--sp-5);
}
.swatch{
  border:1px solid var(--line);
  overflow:hidden;
  clip-path:polygon(0 0, calc(100% - var(--bevel-sm)) 0, 100% var(--bevel-sm), 100% 100%, 0 100%);
}
.swatch-chip{ height:72px; }
.swatch-meta{ padding:var(--sp-3); background:var(--ink-2); }
.swatch-meta strong{
  display:block; font-size:0.88rem; color:var(--text-1); font-weight:600;
}
.swatch-meta code{
  font-family:var(--font-mono); font-size:0.68rem; color:var(--text-3);
  letter-spacing:0.02em;
}

.type-specimen{
  border:1px solid var(--line); background:var(--ink-2);
  padding:var(--sp-6);
  clip-path:polygon(0 0, calc(100% - var(--bevel)) 0, 100% var(--bevel), 100% 100%, 0 100%);
  margin-top:var(--sp-5);
}
.type-specimen .spec-label{
  font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--steel); margin-bottom:var(--sp-3);
}
.type-row{ padding:var(--sp-4) 0; border-bottom:1px solid var(--line-soft); }
.type-row:last-child{ border-bottom:0; padding-bottom:0; }

.logo-row{
  display:grid; grid-template-columns:1fr 1fr; gap:var(--sp-5); margin-top:var(--sp-5);
}
@media (max-width:700px){ .logo-row{ grid-template-columns:1fr; } }
.logo-card{
  border:1px solid var(--line); padding:var(--sp-6);
  display:flex; flex-direction:column; align-items:center; gap:var(--sp-4);
  clip-path:polygon(0 0, calc(100% - var(--bevel)) 0, 100% var(--bevel), 100% 100%, 0 100%);
}
.logo-card.on-ink{ background:var(--ink-2); }
.logo-card.on-paper{ background:var(--paper); color:var(--paper-ink); border-color:var(--paper-line); }
.logo-card img{ width:auto; height:72px; }
.logo-card .mark-lg{ width:96px; height:96px; }
.logo-card figcaption{
  font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.1em;
  text-transform:uppercase; color:var(--text-3); text-align:center;
}
.logo-card.on-paper figcaption{ color:#8A8274; }

.do-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:var(--sp-5); margin-top:var(--sp-5);
}
@media (max-width:700px){ .do-grid{ grid-template-columns:1fr; } }
.do-card{
  border:1px solid var(--line); background:var(--ink-2); padding:var(--sp-5);
  clip-path:polygon(0 0, calc(100% - var(--bevel-sm)) 0, 100% var(--bevel-sm), 100% 100%, 0 100%);
}
.do-card h4{ margin-bottom:var(--sp-3); }
.do-card.do h4{ color:var(--text-1); }
.do-card.dont h4{ color:var(--copper); }
.do-card ul{ list-style:disc; padding-left:1.2rem; color:var(--text-3); font-size:0.92rem; }
.do-card li{ margin-bottom:var(--sp-2); }

.token-table{
  width:100%; border-collapse:collapse; margin-top:var(--sp-5);
  font-size:0.88rem;
}
.token-table th,.token-table td{
  text-align:left; padding:10px 12px; border-bottom:1px solid var(--line-soft);
  vertical-align:top;
}
.token-table th{
  font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.12em;
  text-transform:uppercase; color:var(--steel); font-weight:500;
}
.token-table code{
  font-family:var(--font-mono); font-size:0.78rem; color:var(--copper);
}
.token-table .hex{ color:var(--text-3); font-family:var(--font-mono); font-size:0.78rem; }

.bevel-demo{
  display:flex; flex-wrap:wrap; gap:var(--sp-4); align-items:flex-end;
  margin-top:var(--sp-5);
}
.bevel-block{
  background:var(--ink-3); border:1px solid var(--line);
  width:120px; height:80px;
  clip-path:polygon(0 0, calc(100% - var(--demo-bevel,18px)) 0, 100% var(--demo-bevel,18px), 100% 100%, 0 100%);
  display:flex; align-items:flex-end; padding:10px;
  font-family:var(--font-mono); font-size:0.65rem; color:var(--text-3);
  letter-spacing:0.06em; text-transform:uppercase;
}

.icon-size-row{
  display:flex; flex-wrap:wrap; gap:var(--sp-4); align-items:flex-end;
  margin-top:var(--sp-4);
}
.icon-tile{
  border:1px solid var(--line); background:var(--ink-2);
  padding:var(--sp-4);
  min-width:72px;
  display:flex; flex-direction:column; align-items:center; gap:var(--sp-3);
  clip-path:polygon(0 0, calc(100% - var(--bevel-sm)) 0, 100% var(--bevel-sm), 100% 100%, 0 100%);
}
.icon-tile img{ width:auto; height:auto; image-rendering:auto; }
.icon-tile figcaption{
  font-family:var(--font-mono); font-size:0.65rem; letter-spacing:0.1em;
  text-transform:uppercase; color:var(--text-3);
}
.ui-icon-row{
  display:flex; flex-wrap:wrap; gap:var(--sp-4);
}
.ui-icon-row .icon{ margin-bottom:0; }

/* ---- Brand kit: Rams, themes, UI specimens ---- */
.rams-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:var(--sp-4);
  margin-top:var(--sp-5);
}
@media (max-width:800px){ .rams-grid{ grid-template-columns:1fr; } }
.rams-card{
  border:1px solid var(--line); background:var(--ink-2); padding:var(--sp-5);
  clip-path:polygon(0 0, calc(100% - var(--bevel-sm)) 0, 100% var(--bevel-sm), 100% 100%, 0 100%);
}
.rams-card .rams-num{
  font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--copper); margin-bottom:var(--sp-2);
}
.rams-card h3{ font-size:1.05rem; margin-bottom:var(--sp-2); }
.rams-card p{ color:var(--text-3); font-size:0.9rem; margin:0; }
.rams-card .bk-map{
  margin-top:var(--sp-3); padding-top:var(--sp-3); border-top:1px solid var(--line-soft);
  font-size:0.84rem; color:var(--text-2);
}

.theme-pair{
  display:grid; grid-template-columns:1fr 1fr; gap:var(--sp-5); margin-top:var(--sp-5);
}
@media (max-width:900px){ .theme-pair{ grid-template-columns:1fr; } }

.theme-stage{
  --bk-bg: var(--ink);
  --bk-panel: var(--ink-2);
  --bk-elev: var(--ink-3);
  --bk-line: var(--line);
  --bk-text: var(--text-1);
  --bk-body: var(--text-2);
  --bk-muted: var(--text-3);
  --bk-accent: var(--copper);
  --bk-field: var(--ink-3);
  --bk-field-border: var(--line);
  border:1px solid var(--line);
  background:var(--bk-bg);
  color:var(--bk-body);
  padding:var(--sp-5);
  clip-path:polygon(0 0, calc(100% - var(--bevel)) 0, 100% var(--bevel), 100% 100%, 0 100%);
}
.theme-stage[data-theme="light"]{
  --bk-bg: #F1EAE0;
  --bk-panel: #E7DFD1;
  --bk-elev: #F7F2EA;
  --bk-line: #D3C9B6;
  --bk-text: #201E19;
  --bk-body: #4A463D;
  --bk-muted: #8A8274;
  --bk-accent: #E35F22;
  --bk-field: #FBF8F2;
  --bk-field-border: #C9BFAE;
  border-color:var(--paper-line);
}
.theme-stage-label{
  font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--bk-muted); margin-bottom:var(--sp-4);
}

.ui-window{
  background:var(--bk-panel);
  border:1px solid var(--bk-line);
  clip-path:polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  overflow:hidden;
}
.ui-window-bar{
  display:flex; align-items:center; gap:8px;
  padding:10px 14px; border-bottom:1px solid var(--bk-line);
  background:var(--bk-elev);
}
.ui-traffic{ display:flex; gap:6px; }
.ui-traffic i{
  width:10px; height:10px; border-radius:50%; display:block;
  background:var(--bk-muted); opacity:0.55;
}
.ui-window-title{
  flex:1; text-align:center; font-size:0.78rem; font-weight:600;
  color:var(--bk-text); letter-spacing:0.02em;
}
.ui-window-body{ padding:var(--sp-4); display:flex; flex-direction:column; gap:var(--sp-3); }

.ui-tabs{ display:flex; gap:2px; border-bottom:1px solid var(--bk-line); margin:-var(--sp-4); margin-bottom:0; padding:0 var(--sp-4); }
.ui-tabs span{
  font-size:0.78rem; padding:10px 12px; color:var(--bk-muted); cursor:default;
}
.ui-tabs span.is-on{
  color:var(--bk-text); border-bottom:2px solid var(--bk-accent); margin-bottom:-1px;
}

.ui-field-label{
  font-size:0.72rem; color:var(--bk-muted); margin-bottom:4px;
  font-family:var(--font-mono); letter-spacing:0.06em; text-transform:uppercase;
}
.ui-field{
  width:100%; box-sizing:border-box;
  background:var(--bk-field); color:var(--bk-text);
  border:1px solid var(--bk-field-border); border-radius:6px;
  padding:9px 12px; font:inherit; font-size:0.9rem;
}
.ui-list-row{
  display:flex; align-items:center; gap:12px;
  padding:10px 12px; border:1px solid var(--bk-line);
  background:var(--bk-elev); border-radius:6px;
}
.ui-list-row .mark{ width:28px; height:28px; border-radius:6px; flex-shrink:0; }
.ui-list-row strong{ display:block; font-size:0.88rem; color:var(--bk-text); font-weight:600; }
.ui-list-row small{ font-size:0.75rem; color:var(--bk-muted); }
.ui-banner{
  font-size:0.82rem; padding:10px 12px; border-radius:6px;
  border:1px solid var(--bk-line); background:var(--bk-elev); color:var(--bk-body);
}
.ui-banner.is-info{ border-color:color-mix(in srgb, var(--bk-accent) 45%, var(--bk-line)); }
.ui-btn-row{ display:flex; gap:8px; flex-wrap:wrap; margin-top:4px; }
.ui-btn{
  font:inherit; font-size:0.82rem; font-weight:600; padding:8px 14px; cursor:default;
  clip-path:polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}
.ui-btn.primary{ background:var(--bk-accent); color:#1A0E06; }
.ui-btn.ghost{ background:transparent; color:var(--bk-text); border:1px solid var(--bk-line); }

.ui-kit-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:var(--sp-5); margin-top:var(--sp-5);
}
@media (max-width:900px){ .ui-kit-grid{ grid-template-columns:1fr; } }

.kit-download{
  display:flex; flex-wrap:wrap; gap:var(--sp-3); margin-top:var(--sp-5);
}
.kit-download a{
  font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--text-3);
  border:1px solid var(--line); padding:10px 14px;
  clip-path:polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}
.kit-download a:hover{ color:var(--copper); border-color:var(--copper-dim); }

/* CookieConsent (vendor) — Bevel theme tokens */
html[data-theme="dark"]{
  --cc-bg: var(--ink-2);
  --cc-primary-color: var(--text-1);
  --cc-secondary-color: var(--text-3);
  --cc-btn-primary-bg: var(--copper);
  --cc-btn-primary-color: #1A0E06;
  --cc-btn-primary-border-color: var(--copper);
  --cc-btn-primary-hover-bg: var(--copper-2);
  --cc-btn-primary-hover-color: #1A0E06;
  --cc-btn-primary-hover-border-color: var(--copper-2);
  --cc-btn-secondary-bg: var(--ink-3);
  --cc-btn-secondary-color: var(--text-1);
  --cc-btn-secondary-border-color: var(--line);
  --cc-btn-secondary-hover-bg: var(--ink);
  --cc-btn-secondary-hover-color: var(--text-1);
  --cc-btn-secondary-hover-border-color: var(--line);
  --cc-separator-border-color: var(--line);
  --cc-toggle-on-bg: var(--copper);
  --cc-cookie-category-block-bg: var(--ink-3);
  --cc-cookie-category-block-border: var(--line);
  --cc-cookie-category-block-hover-bg: var(--ink);
  --cc-footer-bg: var(--ink-3);
  --cc-footer-color: var(--text-3);
  --cc-footer-border-color: var(--line);
  --cc-link-color: var(--copper);
  --cc-font-family: var(--font-display);
}
html[data-theme="light"]{
  --cc-bg: var(--ink-2);
  --cc-primary-color: var(--text-1);
  --cc-secondary-color: var(--text-3);
  --cc-btn-primary-bg: var(--copper);
  --cc-btn-primary-color: #FBF8F2;
  --cc-btn-primary-border-color: var(--copper);
  --cc-btn-primary-hover-bg: var(--copper-2);
  --cc-btn-primary-hover-color: #FBF8F2;
  --cc-btn-primary-hover-border-color: var(--copper-2);
  --cc-btn-secondary-bg: var(--ink-3);
  --cc-btn-secondary-color: var(--text-1);
  --cc-btn-secondary-border-color: var(--line);
  --cc-btn-secondary-hover-bg: var(--ink);
  --cc-btn-secondary-hover-color: var(--text-1);
  --cc-btn-secondary-hover-border-color: var(--line);
  --cc-separator-border-color: var(--line);
  --cc-toggle-on-bg: var(--copper);
  --cc-cookie-category-block-bg: var(--ink-3);
  --cc-cookie-category-block-border: var(--line);
  --cc-cookie-category-block-hover-bg: var(--ink);
  --cc-footer-bg: var(--ink-3);
  --cc-footer-color: var(--text-3);
  --cc-footer-border-color: var(--line);
  --cc-link-color: var(--copper);
  --cc-font-family: var(--font-display);
}