/* =============================================================================
   SAKSHYA — by AIABS Research and Services Pvt Ltd
   Design system. Brand palette mirrors the Sakshya investor deck:
   paper #FAF8F2 · ink #0B2545 · signal teal #00B8A9
   ========================================================================== */

/* --- 1. Typefaces (self-hosted: no third-party request, no IP disclosure) --- */
@font-face{font-family:'Figtree';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/figtree-400-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Figtree';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/figtree-400-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Figtree';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/figtree-500-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Figtree';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/figtree-500-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Figtree';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/figtree-600-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Figtree';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/figtree-600-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Figtree';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/figtree-700-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Figtree';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/figtree-700-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Figtree';font-style:normal;font-weight:800;font-display:swap;src:url('/assets/fonts/figtree-800-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Figtree';font-style:normal;font-weight:800;font-display:swap;src:url('/assets/fonts/figtree-800-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/inter-400-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/inter-400-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/inter-500-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/inter-500-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/inter-600-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/inter-600-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/inter-700-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/inter-700-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/jetbrains-mono-400-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/jetbrains-mono-400-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/jetbrains-mono-500-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/jetbrains-mono-500-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}

/* --- 2. Tokens ----------------------------------------------------------- */
:root {
  /* Surfaces */
  --paper:      #ffffff;
  --canvas:     #faf8f2;
  --canvas-sub: #f2efe6;
  --canvas-3:   #ede9df;

  /* Ink */
  --ink:        #0b2545;
  --ink-soft:   #1c3d63;
  --muted:      #5e6e81;
  --muted-2:    #8794a3;

  /* Lines */
  --rule:       #e5dfd2;
  --rule-soft:  #efece3;

  /* Signal */
  --accent:      #00b8a9;
  --accent-deep: #00786f;
  --accent-wash: rgba(0, 184, 169, .09);
  --accent-line: rgba(0, 184, 169, .32);

  /* Semantic */
  --alert:      #d1483a;
  --alert-wash: rgba(209, 72, 58, .08);
  --amber:      #b8860b;
  --amber-wash: rgba(184, 134, 11, .10);

  /* Dark surfaces */
  --night:      #071a2e;
  --night-2:    #0b2545;
  --night-card: rgba(255, 255, 255, .045);
  --night-rule: rgba(255, 255, 255, .12);
  --night-text: #e8eef5;
  --night-mute: #9fb2c6;

  /* Type */
  --font-display: 'Figtree', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* Metrics */
  --nav-h:      72px;
  --wrap:       1200px;
  --wrap-wide:  1360px;
  --wrap-read:  760px;

  --r-xs: 4px;  --r-sm: 8px;  --r-md: 14px;  --r-lg: 20px;  --r-xl: 28px;

  --sh-1: 0 1px 2px rgba(11, 37, 69, .05);
  --sh-2: 0 2px 4px rgba(11, 37, 69, .04), 0 8px 20px -8px rgba(11, 37, 69, .10);
  --sh-3: 0 4px 8px rgba(11, 37, 69, .05), 0 18px 44px -14px rgba(11, 37, 69, .18);
  --sh-4: 0 8px 16px rgba(11, 37, 69, .06), 0 36px 80px -24px rgba(11, 37, 69, .26);

  --ease: cubic-bezier(.22, .68, .32, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* --- 3. Reset ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
}

body {
  font-family: var(--font-body);
  background: var(--canvas);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.65;
  font-feature-settings: 'cv02','cv03','cv04','cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

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

:focus-visible {
  outline: 2px solid var(--accent-deep);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 999;
  background: var(--ink); color: #fff; padding: .7rem 1.1rem;
  border-radius: var(--r-sm); font-weight: 600; font-size: .9rem;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --- 4. Typography ------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.022em;
  color: var(--ink);
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 5.6vw, 4.1rem); font-weight: 800; letter-spacing: -.032em; }
h2 { font-size: clamp(1.85rem, 3.6vw, 2.85rem); letter-spacing: -.028em; }
h3 { font-size: clamp(1.18rem, 1.7vw, 1.42rem); }
h4 { font-size: 1.05rem; letter-spacing: -.014em; }

p  { text-wrap: pretty; }

.lede {
  font-size: clamp(1.06rem, 1.45vw, 1.28rem);
  line-height: 1.6;
  color: var(--muted);
  max-width: 62ch;
}

.dek {
  font-size: 1rem;
  color: var(--muted);
  max-width: 68ch;
}

.small { font-size: .875rem; }
.tiny  { font-size: .78rem; }

.src {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .01em;
  color: var(--muted-2);
  text-transform: none;
}

.accent-text { color: var(--accent-deep); }
.ink-text    { color: var(--ink); }
.mute-text   { color: var(--muted); }

.hl {
  background: linear-gradient(transparent 62%, var(--accent-wash) 62%);
  padding: 0 .1em;
}

/* Eyebrow / section label — the deck's letterspaced micro-caps */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-mono);
  font-size: .69rem;
  font-weight: 500;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: ''; width: 22px; height: 2px; background: var(--accent); flex: none;
}
.eyebrow--plain::before { display: none; }
.on-night .eyebrow { color: var(--accent); }

/* --- 5. Layout ----------------------------------------------------------- */
.wrap  { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1.15rem, 4vw, 2rem); }
.wrap--wide { max-width: var(--wrap-wide); }
.wrap--read { max-width: var(--wrap-read); }

.section { padding-block: clamp(3.75rem, 8vw, 7rem); position: relative; }
.section--tight { padding-block: clamp(2.75rem, 5vw, 4.25rem); }
.section--sub   { background: var(--canvas-sub); }
.section--paper { background: var(--paper); }

.section-head { max-width: 780px; margin-bottom: clamp(2.25rem, 4vw, 3.25rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head h2 + p { margin-top: 1rem; }

.grid { display: grid; gap: clamp(1rem, 1.8vw, 1.5rem); }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.split--sticky { align-items: start; }

.stack   { display: flex; flex-direction: column; }
.row     { display: flex; align-items: center; flex-wrap: wrap; }
.gap-xs  { gap: .4rem; } .gap-sm { gap: .75rem; } .gap-md { gap: 1.25rem; } .gap-lg { gap: 2rem; }
.mt-1 { margin-top: .6rem; } .mt-2 { margin-top: 1.1rem; } .mt-3 { margin-top: 1.75rem; } .mt-4 { margin-top: 2.5rem; }

.rule-top { border-top: 1px solid var(--rule); }
hr.rule { border: 0; border-top: 1px solid var(--rule); margin-block: clamp(2rem, 4vw, 3rem); }

/* --- 6. Night (dark) sections -------------------------------------------- */
.on-night {
  background: var(--night);
  color: var(--night-text);
  --ink: #ffffff;
  --muted: var(--night-mute);
  --rule: var(--night-rule);
  --paper: var(--night-card);
  position: relative;
  overflow: hidden;
}
.on-night h1, .on-night h2, .on-night h3, .on-night h4 { color: #fff; }
.on-night .src { color: #6f8397; }

/* pointer-tracked glow, driven by --mx/--my from site.js */
.on-night::before {
  content: '';
  position: absolute; inset: -30%;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(0,184,169,.16), transparent 70%);
  opacity: 0; transition: opacity .6s var(--ease); pointer-events: none;
}
.on-night:hover::before { opacity: 1; }

.grid-lines {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 78%);
}

/* --- 7. Navigation ------------------------------------------------------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(250, 248, 242, .82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.nav.is-stuck { border-bottom-color: var(--rule); box-shadow: 0 1px 0 rgba(11,37,69,.02), 0 8px 24px -18px rgba(11,37,69,.4); }

.nav__inner { display: flex; align-items: center; gap: 1.5rem; height: 100%; }

.brand { display: inline-flex; align-items: center; gap: 0.1rem; flex: none; }
.brand img { width: 60px; height: 60px; object-fit: contain; flex-shrink: 0; margin-right: -2px; }
.brand__name {
  font-family: var(--font-display); font-weight: 800; font-size: 1.25rem;
  letter-spacing: -.03em; line-height: 1;
}
.brand__sub {
  display: block; font-family: var(--font-mono); font-size: .58rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2);
  margin-top: 3px; font-weight: 400;
}

.nav__links { display: flex; align-items: center; gap: .15rem; margin-left: auto; }
.nav__links a {
  position: relative; padding: .55rem .78rem; border-radius: var(--r-sm);
  font-size: .905rem; font-weight: 500; color: var(--ink-soft);
  transition: color .2s var(--ease), background .2s var(--ease);
  white-space: nowrap;
}
.nav__links a:hover { color: var(--ink); background: rgba(11,37,69,.045); }
.nav__links a[aria-current="page"] { color: var(--accent-deep); font-weight: 600; }

.nav__cta { display: flex; align-items: center; gap: .6rem; flex: none; }

.nav__progress {
  position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%;
  transform-origin: 0 50%; transform: scaleX(var(--p, 0));
  background: linear-gradient(90deg, var(--accent), #3ad6c6);
}

.burger {
  display: none; width: 42px; height: 42px; border-radius: var(--r-sm);
  align-items: center; justify-content: center; flex: none;
  border: 1px solid var(--rule); background: var(--paper);
}
.burger span {
  display: block; width: 17px; height: 1.7px; background: var(--ink); border-radius: 2px;
  position: relative; transition: transform .3s var(--ease), opacity .2s;
}
.burger span::before, .burger span::after {
  content: ''; position: absolute; left: 0; width: 17px; height: 1.7px;
  background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease);
}
.burger span::before { top: -5.5px; } .burger span::after { top: 5.5px; }
.burger[aria-expanded="true"] span { transform: rotate(45deg); }
.burger[aria-expanded="true"] span::before { transform: rotate(-90deg) translateX(5.5px); }
.burger[aria-expanded="true"] span::after  { opacity: 0; }

.drawer {
  position: fixed; inset: var(--nav-h) 0 0 0; z-index: 99;
  background: var(--canvas); padding: 1.5rem clamp(1.15rem, 4vw, 2rem) 3rem;
  overflow-y: auto;
  transform: translateY(-8px); opacity: 0; visibility: hidden;
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}
.drawer.is-open { opacity: 1; transform: none; visibility: visible; }
.drawer a {
  display: block; padding: .95rem .25rem; border-bottom: 1px solid var(--rule);
  font-family: var(--font-display); font-size: 1.22rem; font-weight: 600; letter-spacing: -.02em;
}
.drawer .btn { margin-top: 1.75rem; width: 100%; justify-content: center; }

/* --- 8. Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .78rem 1.4rem; border-radius: 999px;
  font-family: var(--font-body); font-size: .93rem; font-weight: 600; letter-spacing: -.005em;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform .18s var(--ease), box-shadow .25s var(--ease),
              background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn:active { transform: translateY(0) scale(.985); }

.btn--primary {
  background: var(--ink); color: #fff;
  box-shadow: 0 1px 2px rgba(11,37,69,.2), 0 10px 22px -12px rgba(11,37,69,.7);
}
.btn--primary:hover { background: #143a63; transform: translateY(-2px); box-shadow: 0 3px 6px rgba(11,37,69,.18), 0 18px 34px -14px rgba(11,37,69,.62); }

.btn--accent {
  background: var(--accent); color: #04231f;
  box-shadow: 0 1px 2px rgba(0,120,111,.25), 0 10px 22px -12px rgba(0,184,169,.9);
}
.btn--accent:hover { background: #14c9ba; transform: translateY(-2px); }

.btn--ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn--ghost:hover { border-color: var(--ink); background: rgba(11,37,69,.04); transform: translateY(-2px); }

.on-night .btn--ghost { color: #fff; border-color: rgba(255,255,255,.26); }
.on-night .btn--ghost:hover { background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.5); }

.btn--sm { padding: .55rem 1rem; font-size: .855rem; }
.btn--lg { padding: .95rem 1.75rem; font-size: 1rem; }

.link-arrow {
  display: inline-flex; align-items: center; gap: .4rem;
  font-weight: 600; font-size: .92rem; color: var(--accent-deep);
  border-bottom: 1px solid transparent; padding-bottom: 1px;
}
.link-arrow svg { transition: transform .25s var(--ease); }
.link-arrow:hover { border-bottom-color: var(--accent-line); }
.link-arrow:hover svg { transform: translateX(4px); }
.on-night .link-arrow { color: var(--accent); }

/* --- 9. Badges & maturity tags ------------------------------------------- */
.tag {
  display: inline-flex; align-items: center; gap: .38rem;
  font-family: var(--font-mono); font-size: .625rem; font-weight: 500;
  letter-spacing: .13em; text-transform: uppercase;
  padding: .26rem .55rem; border-radius: var(--r-xs);
  border: 1px solid var(--rule); background: var(--paper); color: var(--muted);
  white-space: nowrap; flex: none;
}
.tag--live    { background: var(--accent); border-color: var(--accent); color: #04231f; font-weight: 600; }
.tag--built   { background: var(--ink); border-color: var(--ink); color: #fff; }
.tag--design  { background: transparent; border-color: var(--muted-2); color: var(--muted); }
.tag--future  { background: var(--canvas-sub); border-color: var(--rule); color: var(--muted-2); }
.tag--alert   { background: var(--alert-wash); border-color: rgba(209,72,58,.3); color: var(--alert); }

.tag--live::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%; background: #04231f;
  animation: pulse-dot 2s var(--ease) infinite;
}
@keyframes pulse-dot { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .35; transform: scale(.7); } }

.on-night .tag { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.16); color: var(--night-mute); }
.on-night .tag--live { background: var(--accent); border-color: var(--accent); color: #04231f; }
.on-night .tag--built { background: #fff; border-color: #fff; color: #0b2545; }

.chip {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .42rem .85rem; border-radius: 999px;
  border: 1px solid var(--rule); background: var(--paper);
  font-size: .82rem; font-weight: 500; color: var(--ink-soft);
}
.chip--accent { border-color: var(--accent-line); background: var(--accent-wash); color: var(--accent-deep); }

/* announcement pill */
.notice {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .4rem .5rem .4rem .45rem; border-radius: 999px;
  background: var(--paper); border: 1px solid var(--rule);
  font-size: .8rem; color: var(--muted); box-shadow: var(--sh-1);
}
.notice b {
  font-family: var(--font-mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase;
  background: var(--ink); color: #fff; padding: .28rem .55rem; border-radius: 999px; font-weight: 500;
}

/* --- 10. Cards ----------------------------------------------------------- */
.card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  padding: clamp(1.25rem, 2vw, 1.7rem);
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), border-color .3s var(--ease);
}
.card--lift:hover { transform: translateY(-4px); box-shadow: var(--sh-3); border-color: var(--accent-line); }
.card--flat { background: transparent; border: 0; padding: 0; }
.card--edge { border-left: 3px solid var(--accent); }
.card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: .7rem; }
.card h3 + p, .card h4 + p { margin-top: .55rem; color: var(--muted); font-size: .935rem; }
.card p + p { margin-top: .7rem; }

.on-night .card { background: var(--night-card); border-color: var(--night-rule); backdrop-filter: blur(6px); }
.on-night .card--lift:hover { background: rgba(255,255,255,.075); border-color: var(--accent-line); }

/* icon tile */
.ico {
  width: 40px; height: 40px; border-radius: 10px; flex: none;
  display: grid; place-items: center;
  background: var(--accent-wash); color: var(--accent-deep);
  border: 1px solid var(--accent-line);
}
.ico svg { width: 20px; height: 20px; }
.ico--ink { background: rgba(11,37,69,.06); color: var(--ink); border-color: rgba(11,37,69,.12); }
.ico--alert { background: var(--alert-wash); color: var(--alert); border-color: rgba(209,72,58,.22); }
.on-night .ico { background: rgba(0,184,169,.14); color: var(--accent); border-color: var(--accent-line); }
.on-night .ico--ink { background: rgba(255,255,255,.09); color: #fff; border-color: rgba(255,255,255,.18); }

/* numbered marker */
.num {
  font-family: var(--font-mono); font-size: .72rem; font-weight: 500;
  letter-spacing: .08em; color: var(--accent-deep);
  border: 1px solid var(--accent-line); background: var(--accent-wash);
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; flex: none;
}
.on-night .num { color: var(--accent); }

/* --- 11. Stats ----------------------------------------------------------- */
.stat { display: flex; flex-direction: column; gap: .3rem; }
.stat__label {
  font-family: var(--font-mono); font-size: .655rem; font-weight: 500;
  letter-spacing: .15em; text-transform: uppercase; color: var(--muted-2);
}
.stat__value {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 3.6vw, 2.9rem); line-height: 1; letter-spacing: -.035em;
  color: var(--ink); font-variant-numeric: tabular-nums;
}
.stat__value sup { font-size: .45em; vertical-align: super; letter-spacing: 0; }
.stat__note { font-size: .875rem; color: var(--muted); line-height: 1.55; }
.stat--alert .stat__value { color: var(--alert); }
.stat--accent .stat__value { color: var(--accent-deep); }
.on-night .stat--accent .stat__value { color: var(--accent); }

.statbar {
  display: grid; gap: 0;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  border: 1px solid var(--rule); border-radius: var(--r-md);
  background: var(--paper); overflow: hidden;
}
.statbar > * { padding: 1.4rem 1.5rem; border-right: 1px solid var(--rule); }
.statbar > *:last-child { border-right: 0; }

/* --- 12. Score ring & dimension bars (KYD visual) ------------------------ */
.score {
  display: grid; grid-template-columns: auto minmax(0,1fr); gap: 1.6rem; align-items: center;
}
.ring { position: relative; width: 132px; height: 132px; flex: none; }
.ring svg { transform: rotate(-90deg); overflow: visible; }
.ring__track { fill: none; stroke: var(--rule); stroke-width: 9; }
.ring__fill  {
  fill: none; stroke: url(#scoreGrad); stroke-width: 9; stroke-linecap: round;
  stroke-dasharray: var(--circ, 340); stroke-dashoffset: var(--circ, 340);
  transition: stroke-dashoffset 1.8s var(--ease-out);
}
.ring.is-on .ring__fill { stroke-dashoffset: var(--off, 68); }
.ring__mid {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center;
}
.ring__num {
  font-family: var(--font-display); font-weight: 800; font-size: 2.35rem;
  line-height: 1; letter-spacing: -.04em; font-variant-numeric: tabular-nums;
}
.ring__den { font-family: var(--font-mono); font-size: .6rem; letter-spacing: .14em; color: var(--muted-2); text-transform: uppercase; margin-top: .25rem; }

.dims { display: flex; flex-direction: column; gap: .62rem; }
.dim { display: grid; grid-template-columns: 1fr auto; gap: .15rem .75rem; align-items: center; }
.dim__name { font-size: .845rem; font-weight: 500; }
.dim__wt { font-family: var(--font-mono); font-size: .68rem; color: var(--muted-2); }
.dim__track {
  grid-column: 1 / -1; height: 5px; border-radius: 99px;
  background: var(--rule); overflow: hidden;
}
.on-night .dim__track { background: rgba(255,255,255,.12); }
.dim__bar {
  display: block; height: 100%; border-radius: 99px; width: 0;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent));
  transition: width 1.4s var(--ease-out);
}
.is-on .dim__bar { width: var(--w, 60%); }
.dim--abstain .dim__bar { background: repeating-linear-gradient(135deg, var(--muted-2) 0 4px, transparent 4px 8px); }
.dim--abstain .dim__name { color: var(--muted-2); }

/* --- 13. Product mock frames -------------------------------------------- */
.mock {
  position: relative; border-radius: var(--r-lg);
  background: var(--paper); border: 1px solid var(--rule);
  box-shadow: var(--sh-4); overflow: hidden;
}
.mock__bar {
  display: flex; align-items: center; gap: .5rem;
  padding: .65rem .9rem; border-bottom: 1px solid var(--rule);
  background: var(--canvas-sub);
}
.mock__dots { display: flex; gap: 5px; }
.mock__dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--rule); display: block; }
.mock__title {
  font-family: var(--font-mono); font-size: .67rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted-2); margin-left: .35rem;
}
.mock__body { padding: clamp(1rem, 2vw, 1.5rem); }

/* --- 13b. AI Fleet Manager chat bubbles --------------------------------- */
.msg { border-radius: var(--r-md); padding: .75rem 1rem; font-size: .88rem; line-height: 1.55; }
.msg--ai { background: rgba(0,120,111,.15); border: 1px solid rgba(34,211,192,.2); }
.msg--mgr { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); margin-left: 2rem; }
.msg__meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: .35rem; font-size: .72rem; }
.msg__meta b { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.msg--mgr .msg__meta b { color: rgba(255,255,255,.65); }
.msg__meta time { font-family: var(--font-mono); font-size: .65rem; color: var(--muted-2); }
.msg p { color: rgba(255,255,255,.82); }

.phone {
  width: min(268px, 100%); border-radius: 30px; padding: 9px;
  background: linear-gradient(160deg, #16324f, #0b2545);
  box-shadow: var(--sh-4), inset 0 0 0 1px rgba(255,255,255,.09);
}
.phone__screen {
  border-radius: 23px; background: var(--paper); overflow: hidden;
  min-height: 480px; display: flex; flex-direction: column;
}
.phone__status {
  display: flex; justify-content: space-between; align-items: center;
  padding: .5rem .95rem .3rem; font-family: var(--font-mono);
  font-size: .58rem; color: var(--muted-2); letter-spacing: .05em;
}
.mock__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.phone__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 18px;
}

/* --- 14. Live map ------------------------------------------------------- */
.map {
  position: relative; aspect-ratio: 4 / 3; border-radius: var(--r-md);
  background:
    radial-gradient(ellipse at 30% 20%, rgba(0,184,169,.10), transparent 55%),
    var(--night-2);
  overflow: hidden; border: 1px solid var(--night-rule);
}
.map__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.map__roads { position: absolute; inset: 0; }
.map__roads path { fill: none; stroke: rgba(255,255,255,.14); stroke-width: 1.4; }
.map__roads path.arterial { stroke: rgba(255,255,255,.24); stroke-width: 2.4; }
.driver {
  position: absolute; width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 3px rgba(0,184,169,.22);
  transform: translate(-50%, -50%);
}
.driver--warn { background: #f0a202; box-shadow: 0 0 0 3px rgba(240,162,2,.22); }
.driver--alert { background: #ff5a45; box-shadow: 0 0 0 3px rgba(255,90,69,.25); }
.driver::after {
  content: ''; position: absolute; inset: -4px; border-radius: 50%;
  border: 1.5px solid currentColor; color: inherit; opacity: 0;
}
.driver--alert::after { border-color: #ff5a45; animation: ripple 1.8s var(--ease-out) infinite; }
@keyframes ripple {
  0%   { transform: scale(.6); opacity: .85; }
  100% { transform: scale(3.4); opacity: 0; }
}

.feed {
  display: flex; flex-direction: column; gap: .5rem;
  font-family: var(--font-mono); font-size: .72rem;
}
.feed__row {
  display: grid; grid-template-columns: auto auto 1fr; gap: .7rem; align-items: baseline;
  padding: .55rem .7rem; border-radius: var(--r-sm);
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09);
  animation: feed-in .45s var(--ease-out) both;
}
.feed__t { color: #6f8397; }
.feed__k { color: var(--accent); letter-spacing: .07em; font-size: .64rem; text-transform: uppercase; }
.feed__v { color: var(--night-text); font-family: var(--font-body); font-size: .8rem; }
.feed__row--alert { border-color: rgba(255,90,69,.35); background: rgba(255,90,69,.10); }
.feed__row--alert .feed__k { color: #ff8a78; }
@keyframes feed-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* --- 15. Tabs ------------------------------------------------------------ */
.tabs { display: flex; flex-direction: column; gap: clamp(1.5rem, 3vw, 2.25rem); }
.tabs__list {
  display: inline-flex; gap: .25rem; padding: .3rem;
  background: var(--canvas-sub); border: 1px solid var(--rule);
  border-radius: 999px; align-self: flex-start; max-width: 100%;
  overflow-x: auto; scrollbar-width: none;
}
.tabs__list::-webkit-scrollbar { display: none; }
.tabs__btn {
  padding: .6rem 1.15rem; border-radius: 999px; white-space: nowrap;
  font-size: .89rem; font-weight: 600; color: var(--muted);
  transition: background .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
}
.tabs__btn:hover { color: var(--ink); }
.tabs__btn[aria-selected="true"] { background: var(--paper); color: var(--ink); box-shadow: var(--sh-2); }
.tabs__panel[hidden] { display: none; }
.tabs__panel { animation: panel-in .45s var(--ease-out) both; }
@keyframes panel-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* --- 16. Comparison table ------------------------------------------------ */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--r-md); background: var(--paper); }
.tbl { min-width: 720px; font-size: .9rem; }
.tbl th, .tbl td { padding: .95rem 1.1rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--rule-soft); }
.tbl thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--canvas-sub); border-bottom: 1px solid var(--rule);
  font-family: var(--font-mono); font-size: .655rem; font-weight: 500;
  letter-spacing: .13em; text-transform: uppercase; color: var(--muted);
}
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody tr:hover { background: rgba(0,184,169,.035); }
.tbl td:first-child { font-weight: 600; color: var(--ink); }
.tbl .col-us { background: var(--accent-wash); border-left: 1px solid var(--accent-line); border-right: 1px solid var(--accent-line); }
.tbl thead .col-us { background: rgba(0,184,169,.16); color: var(--accent-deep); }
.tbl .yes { display: inline-flex; align-items: center; gap: .45rem; font-weight: 600; color: var(--accent-deep); }
.tbl .yes svg { flex: none; }
.tbl .no { color: var(--muted-2); }

/* --- 17. Fidelity ladder ------------------------------------------------- */
.ladder { display: flex; flex-direction: column; gap: 0; }
.ladder__step {
  border: 1px solid var(--rule); border-radius: var(--r-md);
  padding: 1.1rem 1.3rem; background: var(--paper);
  border-left: 4px solid var(--accent);
}
.ladder__step--top { background: var(--night-2); border-color: var(--night-2); color: #fff; border-left-color: var(--accent); }
.ladder__step--top h4, .ladder__step--top p { color: #fff; }
.ladder__step--top p { color: var(--night-mute); }
.ladder__join {
  display: flex; align-items: center; justify-content: center; gap: .6rem;
  padding: .55rem 0; font-family: var(--font-mono); font-size: .62rem;
  letter-spacing: .17em; text-transform: uppercase; color: var(--muted-2);
}
.ladder__join::before, .ladder__join::after {
  content: ''; height: 1px; flex: 1; max-width: 90px;
  background: linear-gradient(90deg, transparent, var(--rule), transparent);
}

/* --- 18. Flywheel / process steps --------------------------------------- */
.flow { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); counter-reset: flow; }
.flow__item { position: relative; padding-top: 1.6rem; }
.flow__item::before {
  counter-increment: flow; content: counter(flow, decimal-leading-zero);
  position: absolute; top: 0; left: 0;
  font-family: var(--font-mono); font-size: .7rem; font-weight: 500;
  letter-spacing: .13em; color: var(--accent-deep);
}
.flow__item::after {
  content: ''; position: absolute; top: .45rem; left: 2.4rem; right: -.5rem; height: 1px;
  background: linear-gradient(90deg, var(--accent-line), transparent);
}
.flow__item:last-child::after { display: none; }
.on-night .flow__item::before { color: var(--accent); }

.pipeline {
  display: flex; align-items: center; gap: .35rem; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
}
.pipeline b {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .45rem .8rem; border-radius: 999px; font-weight: 500;
  border: 1px solid var(--accent-line); background: var(--accent-wash); color: var(--accent-deep);
}
.pipeline i { color: var(--muted-2); font-style: normal; }
.on-night .pipeline b { color: var(--accent); background: rgba(0,184,169,.10); }

/* --- 19. Timeline / horizons -------------------------------------------- */
.horizon { border-top: 2px solid var(--ink); padding-top: 1.2rem; }
.horizon--2 { border-top-color: var(--accent); }
.horizon--3 { border-top-color: var(--muted-2); }
.horizon__when {
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted-2); margin-top: .3rem;
}
.milestone { padding: .95rem 0; border-bottom: 1px solid var(--rule-soft); }
.milestone:last-child { border-bottom: 0; }
.milestone__t { display: flex; align-items: flex-start; gap: .6rem; justify-content: space-between; }
.milestone h4 { font-size: .97rem; }
.milestone p { font-size: .875rem; color: var(--muted); margin-top: .35rem; }

/* --- 20. Chat (AI Fleet Manager) ---------------------------------------- */
.chat { display: flex; flex-direction: column; gap: .8rem; }
.msg { max-width: 86%; display: flex; flex-direction: column; gap: .3rem; }
.msg__bubble {
  padding: .8rem 1rem; border-radius: 14px; font-size: .885rem; line-height: 1.55;
  border: 1px solid var(--rule); background: var(--canvas-sub);
}
.msg__meta {
  font-family: var(--font-mono); font-size: .615rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted-2);
}
.msg--bot .msg__bubble { border-left: 3px solid var(--accent); background: var(--paper); box-shadow: var(--sh-1); }
.msg--user { align-self: flex-end; align-items: flex-end; }
.msg--user .msg__bubble { background: var(--ink); color: #fff; border-color: var(--ink); }
.msg--user .msg__meta { text-align: right; }
.msg[data-typing] { opacity: 0; }
.msg.is-in { animation: msg-in .5s var(--ease-out) both; }
@keyframes msg-in { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }

/* --- 21. Code / API payload --------------------------------------------- */
.code {
  background: var(--night-2); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-md); overflow: hidden;
}
.code__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .6rem .95rem; border-bottom: 1px solid rgba(255,255,255,.1);
  font-family: var(--font-mono); font-size: .655rem; letter-spacing: .12em;
  text-transform: uppercase; color: #7d93a8;
}
.code pre {
  margin: 0; padding: 1.1rem; overflow-x: auto;
  font-family: var(--font-mono); font-size: .765rem; line-height: 1.75; color: #cfe0ee;
  tab-size: 2;
}
.code .k { color: #7fd6cb; }
.code .s { color: #ffd28a; }
.code .n { color: #9fc6ff; }
.code .c { color: #5f7c93; font-style: italic; }
.code .b { color: #ff9b8a; }

/* --- 22. Quote ----------------------------------------------------------- */
.quote {
  border-left: 3px solid var(--accent); padding-left: clamp(1.1rem, 2.5vw, 1.8rem);
}
.quote p {
  font-family: var(--font-display); font-size: clamp(1.15rem, 2.1vw, 1.62rem);
  line-height: 1.42; letter-spacing: -.02em; font-weight: 500; color: var(--ink);
  text-wrap: balance;
}
.quote cite {
  display: block; margin-top: .9rem; font-style: normal;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .13em;
  text-transform: uppercase; color: var(--muted-2);
}
.on-night .quote p { color: #fff; }

/* --- 23. Accordion (FAQ) ------------------------------------------------- */
.faq { border-top: 1px solid var(--rule); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: 1.15rem .25rem; cursor: pointer; list-style: none;
  font-family: var(--font-display); font-weight: 600; font-size: 1.03rem;
  letter-spacing: -.015em; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ''; width: 11px; height: 11px; flex: none;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(45deg) translateY(-2px); transition: transform .3s var(--ease);
}
.faq details[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
.faq details[open] summary { color: var(--accent-deep); }
.faq__body { padding: 0 .25rem 1.35rem; color: var(--muted); max-width: 78ch; }
.faq__body p + p { margin-top: .8rem; }

/* --- 24. Hero ------------------------------------------------------------ */
.hero {
  position: relative; overflow: hidden;
  padding-top: calc(var(--nav-h) + clamp(2.5rem, 6vw, 5rem));
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--canvas);
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.hero__bg::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(11,37,69,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,37,69,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 62% at 50% 8%, #000 20%, transparent 76%);
}
.hero__bg::after {
  content: ''; position: absolute; top: -22%; right: -12%;
  width: min(760px, 78vw); aspect-ratio: 1;
  background: radial-gradient(circle, rgba(0,184,169,.16), rgba(0,184,169,0) 66%);
  filter: blur(6px);
}
.hero__wordmark {
  position: absolute; right: -2%; top: 4%;
  font-family: var(--font-display); font-weight: 800; font-size: clamp(9rem, 24vw, 22rem);
  line-height: .78; letter-spacing: -.05em; color: rgba(11,37,69,.035);
  pointer-events: none; user-select: none;
}
.hero__inner {
  position: relative; display: grid; gap: clamp(2.25rem, 5vw, 4rem);
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  align-items: center;
}
.hero h1 { margin-top: 1.1rem; }
.hero h1 em { font-style: normal; color: var(--accent-deep); }
.hero__sub { margin-top: 1.35rem; }
.hero__tagline {
  margin-top: 1.1rem; font-family: var(--font-display); font-style: italic;
  font-size: 1.05rem; font-weight: 500; color: var(--accent-deep);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.hero__trust {
  margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--rule);
  display: grid; gap: 1.25rem 1.75rem; grid-template-columns: repeat(3, minmax(0,1fr));
}
.hero__trust .stat__value { font-size: clamp(1.35rem, 2.2vw, 1.75rem); }

/* Sensor trace animation */
.trace { width: 100%; height: 100%; }
.trace path { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.trace .t-line { stroke: var(--accent); stroke-width: 1.6; opacity: .9; }
.trace .t-line-2 { stroke: var(--ink); stroke-width: 1.2; opacity: .28; }
.trace .t-grid { stroke: var(--rule); stroke-width: 1; }
.trace .t-event { fill: var(--alert); }
.trace-anim .t-line, .trace-anim .t-line-2 {
  stroke-dasharray: 1400; stroke-dashoffset: 1400;
  animation: draw 2.6s var(--ease-out) forwards;
}
.trace-anim .t-line-2 { animation-delay: .25s; }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* --- 25. Footer ---------------------------------------------------------- */
.footer { background: var(--night); color: var(--night-mute); padding-block: clamp(3rem, 6vw, 4.5rem) 2rem; }
.footer a { color: var(--night-mute); transition: color .2s var(--ease); }
.footer a:hover { color: #fff; }
.footer__grid {
  display: grid; gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  padding-bottom: 2.5rem; border-bottom: 1px solid var(--night-rule);
}
.footer h4 {
  font-family: var(--font-mono); font-size: .655rem; font-weight: 500;
  letter-spacing: .15em; text-transform: uppercase; color: #6f8397; margin-bottom: 1rem;
}
.footer ul { display: flex; flex-direction: column; gap: .62rem; font-size: .9rem; }
.footer .brand__name { color: #fff; }
.footer .brand__sub { color: #6f8397; }
.footer__note { font-size: .855rem; line-height: 1.7; max-width: 42ch; margin-top: 1rem; color: #8ba0b5; }
.footer__base {
  display: flex; flex-wrap: wrap; gap: 1rem 1.75rem; align-items: center;
  justify-content: space-between; padding-top: 1.75rem; font-size: .8rem;
}
.footer__legal { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer__disclaimer {
  margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--night-rule);
  font-size: .74rem; line-height: 1.7; color: #6f8397; max-width: 92ch;
}

/* --- 26. Forms ----------------------------------------------------------- */
.form { display: grid; gap: 1.05rem; }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field label { font-size: .82rem; font-weight: 600; color: var(--ink); }
.field label .req { color: var(--alert); }
.field input, .field select, .field textarea {
  width: 100%; padding: .78rem .95rem;
  border: 1px solid var(--rule); border-radius: var(--r-sm);
  background: var(--paper); font-size: .93rem; color: var(--ink);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { resize: vertical; min-height: 118px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-wash);
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field__hint { font-size: .765rem; color: var(--muted-2); }
.form__consent { display: flex; gap: .65rem; align-items: flex-start; font-size: .8rem; color: var(--muted); line-height: 1.55; }
.form__consent input { width: 16px; height: 16px; margin-top: 3px; flex: none; accent-color: var(--accent-deep); }
.form__status {
  padding: .8rem 1rem; border-radius: var(--r-sm); font-size: .875rem; display: none;
}
.form__status.is-ok   { display: block; background: var(--accent-wash); border: 1px solid var(--accent-line); color: var(--accent-deep); }
.form__status.is-err  { display: block; background: var(--alert-wash); border: 1px solid rgba(209,72,58,.3); color: var(--alert); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* --- 27. Prose (legal pages) -------------------------------------------- */
.prose { max-width: 74ch; }
.prose h2 { font-size: clamp(1.35rem, 2.2vw, 1.72rem); margin-top: 2.75rem; margin-bottom: .85rem; scroll-margin-top: 100px; }
.prose h3 { font-size: 1.06rem; margin-top: 1.85rem; margin-bottom: .55rem; }
.prose p, .prose li { color: var(--muted); font-size: .955rem; line-height: 1.75; }
.prose p + p { margin-top: .95rem; }
.prose ul, .prose ol { margin: .9rem 0 .9rem 1.15rem; display: flex; flex-direction: column; gap: .5rem; }
.prose ul li { list-style: disc; padding-left: .25rem; }
.prose ol li { list-style: decimal; padding-left: .25rem; }
.prose a { color: var(--accent-deep); border-bottom: 1px solid var(--accent-line); }
.prose a:hover { border-bottom-color: var(--accent-deep); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose table { margin: 1.25rem 0; font-size: .89rem; }
.prose th, .prose td { border: 1px solid var(--rule); padding: .65rem .8rem; text-align: left; vertical-align: top; }
.prose th { background: var(--canvas-sub); font-weight: 600; color: var(--ink); font-size: .82rem; }
.prose td { color: var(--muted); }
.prose__meta {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted-2);
  padding-bottom: 1.5rem; border-bottom: 1px solid var(--rule);
}

.toc {
  position: sticky; top: calc(var(--nav-h) + 24px);
  border-left: 2px solid var(--rule); padding-left: 1.1rem;
  display: flex; flex-direction: column; gap: .55rem; font-size: .85rem;
}
.toc a { color: var(--muted); }
.toc a:hover { color: var(--accent-deep); }

/* --- 28. Bullets --------------------------------------------------------- */
.ticks { display: flex; flex-direction: column; gap: .7rem; }
.ticks li { display: grid; grid-template-columns: 18px 1fr; gap: .7rem; align-items: start; font-size: .925rem; color: var(--muted); line-height: 1.6; }
.ticks li > svg { margin-top: 4px; color: var(--accent-deep); flex: none; }
.ticks li strong { color: var(--ink); font-weight: 600; }
.on-night .ticks li > svg { color: var(--accent); }

.dashes li {
  position: relative; padding-left: 1.1rem; font-size: .915rem; color: var(--muted); line-height: 1.6;
}
.dashes li::before { content: ''; position: absolute; left: 0; top: .72em; width: 7px; height: 1.5px; background: var(--accent); }
.dashes { display: flex; flex-direction: column; gap: .6rem; }

/* --- 29. CTA band -------------------------------------------------------- */
.cta-band { position: relative; overflow: hidden; }
.cta-band .wrap { position: relative; }
.cta-band h2 { max-width: 20ch; }
.cta-band__inner {
  display: grid; grid-template-columns: minmax(0,1.3fr) minmax(0,1fr);
  gap: clamp(1.75rem, 4vw, 3.5rem); align-items: center;
}

/* --- 30. Reveal animations ---------------------------------------------- */
[data-reveal] {
  opacity: 0; transform: translateY(22px);
  transition: opacity .75s var(--ease-out), transform .75s var(--ease-out);
  transition-delay: var(--d, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal="fade"] { transform: none; }
[data-reveal="left"] { transform: translateX(-26px); }
[data-reveal="right"] { transform: translateX(26px); }
[data-reveal="scale"] { transform: scale(.96); }

/* --- 31. Responsive ------------------------------------------------------ */
@media (max-width: 1080px) {
  .g-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .g-6 { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .footer__grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 920px) {
  .nav__links, .nav__cta .btn--ghost { display: none; }
  .burger { display: inline-flex; }
  .nav__inner { justify-content: space-between; }
  .nav__cta { margin-left: auto; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: 2; }
  .split { grid-template-columns: 1fr; gap: 2.25rem; }
  .cta-band__inner { grid-template-columns: 1fr; }
  .g-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .toc { display: none; }
  .score { grid-template-columns: 1fr; justify-items: start; gap: 1.25rem; }
}

@media (max-width: 620px) {
  :root { --nav-h: 64px; }
  .g-2, .g-3, .g-4, .g-6 { grid-template-columns: 1fr; }
  .hero__trust { grid-template-columns: 1fr; gap: 1.1rem; }
  .statbar > * { border-right: 0; border-bottom: 1px solid var(--rule); }
  .statbar > *:last-child { border-bottom: 0; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__base { flex-direction: column; align-items: flex-start; }
  .brand__sub { display: none; }
  .tabs__list { align-self: stretch; }
}

/* --- 32. Motion & print -------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .ring__fill { stroke-dashoffset: var(--off, 68) !important; }
  .dim__bar { width: var(--w, 60%) !important; }
  .on-night::before { display: none; }
}

@media print {
  .nav, .drawer, .cta-band, .footer__disclaimer, .burger { display: none !important; }
  body { background: #fff; color: #000; }
  .on-night { background: #fff !important; color: #000 !important; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: .8em; color: #555; }
}

@media (forced-colors: active) {
  .card, .tag, .btn { border: 1px solid CanvasText; }
}

/* --- 33. Interactive Atom Repel Canvas & Dynamic Effects --- */
.atom-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
}

.on-night .atom-canvas {
  mix-blend-mode: screen;
}

/* Interactive card glow hover enhancement */
.card, .hero__card, .feature-card, .caps__item {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover, .hero__card:hover, .feature-card:hover, .caps__item:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 184, 169, 0.12), 0 4px 12px rgba(11, 37, 69, 0.06);
  border-color: rgba(0, 184, 169, 0.35);
}