/* ============================================================
   Sumedh Technologies / DRISHTI — Design System
   "Palantir-for-India" — austere editorial, India-sovereign.
   Light bone/paper default · full-bleed dark cinematic bands ·
   neo-grotesque display · monochrome + single saffron accent.
   Source of truth: DESIGN.md.  Plain CSS. No build step.
   ============================================================ */

/* ============================================================
   Self-hosted fonts (sovereignty: no Google Fonts CDN at runtime)
   Subsets: latin, latin-ext, devanagari. Generated, do not hand-edit.
   ============================================================ */
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@font-face{font-family:'Noto Sans';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/noto-sans-400-devanagari.woff2') format('woff2');unicode-range:U+0900-097F, U+1CD0-1CF9, U+200C-200D, U+20A8, U+20B9, U+20F0, U+25CC, U+A830-A839, U+A8E0-A8FF, U+11B00-11B09;}
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@font-face{font-family:'Rajdhani';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/rajdhani-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:'Rajdhani';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/rajdhani-700-devanagari.woff2') format('woff2');unicode-range:U+0900-097F, U+1CD0-1CF9, U+200C-200D, U+20A8, U+20B9, U+20F0, U+25CC, U+A830-A839, U+A8E0-A8FF, U+11B00-11B09;}
@font-face{font-family:'Rajdhani';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/rajdhani-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:'Rajdhani';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/rajdhani-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;}


/* ---------- Tokens (light editorial = default) ---------- */
:root {
  --bg: #FFFFFF;          /* clean white                */
  --surface: #F6F6F4;     /* subtle grey surface        */
  --raised: #FFFFFF;      /* cards / inputs             */
  --hairline: #E7E6E2;    /* light rule                 */
  --line-strong: #CFCEC8; /* stronger rule / outline    */
  --text: #16181C;        /* near-black ink             */
  --muted: #5A5F68;       /* grey                       */
  --saffron: #A8500B;     /* accent for TEXT on white (AA) */
  --saffron-fill: #D8690F;/* accent for FILLS/CTA       */
  --on-saffron: #1A0E03;  /* text on saffron fill       */
  --ok: #2E7D55; --warn: #9A6B12; --alert: #B23B3B; --info: #3A6491;

  --r-sm: 2px; --r-md: 2px; --r-lg: 3px;

  --s-2: 2px;  --s-4: 4px;  --s-8: 8px;  --s-16: 16px; --s-24: 24px;
  --s-32: 32px; --s-48: 48px; --s-64: 64px; --s-96: 96px; --s-128: 128px;

  --f-display: "Archivo", system-ui, sans-serif;
  --f-deva: "Rajdhani", "Noto Sans Devanagari", sans-serif;
  --f-body: "Noto Sans", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;

  --maxw: 1240px;
}

/* ---------- Bands (hero, CTA) — now light/white, no dark cinematic flip ---------- */
.hero, .cta-band {
  background: var(--bg);
  color: var(--text);
}

/* ---------- Optional global dark mode (toggle) ----------
   Light is the default. Dark flips the reading surfaces to ink;
   the hero/CTA/footer bands are already dark in both modes. */
[data-theme="dark"] {
  --bg: #0B0C0E;
  --surface: #121417;
  --raised: #16191D;
  --hairline: #2A2D31;
  --line-strong: #3C4046;
  --text: #F3F0E8;
  --muted: #9AA0A6;
  --saffron: #E8731A;
  --saffron-fill: #E8731A;
  --on-saffron: #160D04;
}

/* Theme toggle control */
.toggle {
  font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em;
  background: transparent; color: var(--muted); border: 1px solid var(--line-strong);
  padding: 0 14px; min-height: 44px; display: inline-flex; align-items: center;
  border-radius: var(--r-md); cursor: pointer; text-transform: uppercase;
  transition: color .15s ease, border-color .15s ease;
}
.toggle:hover { color: var(--text); border-color: var(--text); }

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--saffron-fill); outline-offset: 3px; }
::selection { background: var(--saffron-fill); color: #160D04; }

/* ---------- Layout primitives ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--s-32); }
@media (max-width: 620px) { .wrap { padding: 0 var(--s-24); } }
.section { padding: clamp(56px, 8vw, 96px) 0; border-bottom: 1px solid var(--hairline); }
.section--tight { padding: var(--s-64) 0; }
@media (max-width: 720px) { .section { padding: var(--s-64) 0; } }
.rule { height: 1px; background: var(--hairline); border: 0; }
.skip-link { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--saffron-fill); color: var(--on-saffron); padding: 10px 16px; font-weight: 600; }
.skip-link:focus { left: var(--s-16); top: var(--s-16); }

/* ---------- Type ---------- */
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 680; letter-spacing: -.02em; line-height: 1.05; text-wrap: balance; }
p { max-width: 70ch; text-wrap: pretty; }
.kw { color: var(--saffron); }
.deva { font-family: var(--f-deva); font-weight: 700; letter-spacing: .01em; }
.deva-body { font-family: "Noto Sans Devanagari", var(--f-body); }
.lead { font-family: var(--f-display); font-weight: 500; letter-spacing: -.01em; font-size: clamp(19px, 2vw, 25px); line-height: 1.45; color: var(--text); max-width: 60ch; }
.muted { color: var(--muted); }
.center { text-align: center; }

/* Eyebrow / meta label */
.tag, .eyebrow { font-family: var(--f-mono); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); display: inline-flex; align-items: center; gap: 10px; }
.tag .ix, .eyebrow .ix { color: var(--saffron); }
.tag::before, .eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--line-strong); display: inline-block; }
.section-num { font-family: var(--f-mono); font-size: 12px; color: var(--saffron); letter-spacing: .12em; }
.num { font-family: var(--f-mono); font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.note { font-size: 12.5px; color: var(--muted); font-family: var(--f-mono); letter-spacing: .01em; }
.decision-flag { font-family: var(--f-mono); font-size: 12px; color: var(--warn); border-left: 2px solid var(--warn); background: color-mix(in srgb, var(--warn) 8%, transparent); padding: 10px 14px; margin-top: var(--s-16); }

/* ---------- Buttons ---------- */
.btn { font-family: var(--f-display); font-weight: 600; font-size: 14px; letter-spacing: .01em; padding: 13px 24px; border-radius: var(--r-md); cursor: pointer; border: 1px solid transparent; text-decoration: none; display: inline-flex; align-items: center; gap: 9px; transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease; }
.btn-primary { background: var(--saffron-fill); color: var(--on-saffron); }
.btn-primary:hover { background: #c25e0d; }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--text); }
.btn-ghost { background: transparent; color: var(--text); padding-left: 0; padding-right: 0; gap: 7px; }
.btn-ghost:hover { color: var(--saffron); }
.btn-ghost::after { content: "→"; }

/* ---------- Header / nav ---------- */
.topbar { position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--hairline); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand .mark { font-family: var(--f-display); font-weight: 700; letter-spacing: .12em; font-size: 17px; color: var(--text); }
.brand .deva { font-size: 22px; color: var(--saffron); }
/* Theme-aware logo (transparent PNGs; light = ink-on-clear, dark = cream-on-clear) */
.brand-logo { height: 30px; width: auto; display: block; }
.brand-logo--dark { display: none; }
[data-theme="dark"] .brand-logo--light { display: none; }
[data-theme="dark"] .brand-logo--dark { display: block; }
footer .brand-logo { height: 28px; }
.nav { display: flex; gap: var(--s-32); align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-size: 14px; font-family: var(--f-display); font-weight: 500; transition: color .15s ease; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
.nav a[aria-current="page"] { color: var(--text); }
.nav .btn { font-size: 13px; padding: 0 18px; min-height: 44px; }
.menu-btn { display: none; background: transparent; border: 1px solid var(--line-strong); color: var(--text); width: 44px; height: 44px; border-radius: var(--r-md); cursor: pointer; font-size: 18px; }
@media (max-width: 900px) {
  .menu-btn { display: inline-flex; align-items: center; justify-content: center; }
  .nav { position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--surface); border-bottom: 1px solid var(--hairline); padding: var(--s-8) var(--s-32) var(--s-32); transform: translateY(-130%); transition: transform .24s ease; box-shadow: 0 24px 48px rgba(0,0,0,.12); }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 16px 0; border-bottom: 1px solid var(--hairline); font-size: 17px; }
  .nav .btn { margin-top: var(--s-16); justify-content: center; }
}

/* ---------- Hero (dark, editorial, oversized) ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--hairline); }
.hero .wrap { padding-top: clamp(96px, 16vh, 168px); padding-bottom: clamp(96px, 16vh, 168px); position: relative; z-index: 2; }
.hero-deva-bg { position: absolute; right: -1%; top: 50%; transform: translateY(-50%); font-family: var(--f-deva); font-weight: 700; font-size: 42vh; color: var(--text); opacity: .04; z-index: 1; pointer-events: none; user-select: none; line-height: 1; }
.hero-graph { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; display: block; opacity: .92; pointer-events: none;
  -webkit-mask-image: linear-gradient(105deg, transparent 0%, transparent 30%, rgba(0,0,0,.5) 58%, #000 100%);
  mask-image: linear-gradient(105deg, transparent 0%, transparent 30%, rgba(0,0,0,.5) 58%, #000 100%); }
/* animated narrative field behind a band — masked so text stays legible */
.band-network { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; display: block; opacity: .7; pointer-events: none;
  -webkit-mask-image: linear-gradient(105deg, transparent 0%, transparent 28%, rgba(0,0,0,.5) 55%, #000 100%);
  mask-image: linear-gradient(105deg, transparent 0%, transparent 28%, rgba(0,0,0,.5) 55%, #000 100%); }
.hero h1 { font-size: clamp(40px, 7.2vw, 88px); font-weight: 700; max-width: 16ch; margin: var(--s-32) 0 var(--s-24); letter-spacing: -.03em; }
.hero .lead { max-width: 56ch; color: var(--text); }
.hero .sub-note { max-width: 56ch; color: var(--muted); margin-top: var(--s-16); font-size: 15px; }
.cta-row { display: flex; gap: var(--s-16); margin-top: var(--s-48); flex-wrap: wrap; }

/* ---------- Cognitive-field hero (home — centred composition) ---------- */
.hero--cognitive { position: relative; overflow: hidden; border-bottom: 1px solid var(--hairline);
  min-height: clamp(580px, 90vh, 940px); display: flex; align-items: center; }
.cognitive-field { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; display: block;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(150% 130% at 50% 50%, #000 74%, transparent 100%);
  mask-image: radial-gradient(150% 130% at 50% 50%, #000 74%, transparent 100%); }
.hero--cognitive .wrap { position: relative; z-index: 2; text-align: center;
  padding-top: clamp(72px, 13vh, 148px); padding-bottom: clamp(72px, 13vh, 148px); }
/* a light radial calms the dust behind the words while the saffron core glows through */
.hero--cognitive .wrap::before { content: ""; position: absolute; z-index: -1;
  left: 50%; top: 48%; transform: translate(-50%, -50%);
  width: min(720px, 92%); height: 112%;
  background: radial-gradient(48% 50% at 50% 50%, rgba(255,255,255,0.52) 26%, rgba(255,255,255,0) 78%);
  pointer-events: none; }
[data-theme="dark"] .hero--cognitive .wrap::before {
  background: radial-gradient(48% 50% at 50% 50%, rgba(11,12,14,0.5) 26%, rgba(11,12,14,0) 78%); }
/* each glyph carries its own legibility halo, so text stays sharp over the field */
.hero--cognitive .tag,
.hero--cognitive h1,
.hero--cognitive .lead,
.hero--cognitive .sub-note { text-shadow: 0 0 16px var(--bg), 0 1px 3px var(--bg); }
.hero--cognitive .tag { display: inline-flex; margin-bottom: var(--s-8); }
.hero--cognitive h1 { max-width: 19ch; margin: var(--s-24) auto var(--s-32); line-height: 1.1; }
.hero--cognitive .lead { margin: 0 auto; line-height: 1.55; max-width: 58ch; }
.hero--cognitive .sub-note { margin: var(--s-24) auto 0; max-width: 60ch;
  color: var(--muted); font-size: 16px; line-height: 1.65; }
.hero--cognitive .cta-row { justify-content: center; margin-top: var(--s-48); }
@media (max-width: 600px) { .hero--cognitive { min-height: 76vh; } }

/* ---------- Above-the-fold executive summary (plain-language, for the skim reader) ---------- */
.exec { border-bottom: 1px solid var(--hairline); }
.exec-grid { display: grid; grid-template-columns: repeat(3, 1fr); list-style: none; margin: 0; padding: 0; }
.exec-grid li { padding: var(--s-32) var(--s-32) var(--s-32) 0; border-left: 1px solid var(--hairline);
  display: flex; gap: var(--s-16); align-items: flex-start; }
.exec-grid li + li { padding-left: var(--s-32); }
.exec-grid li:first-child { border-left: none; }
.exec-grid .ex-n { font-family: var(--f-mono); font-size: 12px; letter-spacing: .14em; color: var(--saffron); padding-top: 3px; }
.exec-grid p { margin: 0; font-size: 16.5px; line-height: 1.5; color: var(--text); max-width: 34ch; }
.exec-grid b { font-weight: 600; }
@media (max-width: 760px) {
  .exec-grid { grid-template-columns: 1fr; }
  .exec-grid li, .exec-grid li + li { border-left: none; border-top: 1px solid var(--hairline); padding: var(--s-24) 0; }
  .exec-grid li:first-child { border-top: none; }
}

/* ---------- Interior page header (light editorial) ---------- */
.page-head { border-bottom: 1px solid var(--hairline); padding: clamp(64px, 11vh, 128px) 0 var(--s-64); }
.page-head h1 { font-size: clamp(36px, 6vw, 72px); font-weight: 700; max-width: 18ch; margin: var(--s-24) 0; letter-spacing: -.03em; }
.page-head .lead { max-width: 62ch; }

/* ---------- Section head (editorial, two-column intro) ---------- */
.section-head { display: grid; grid-template-columns: minmax(0,7fr) minmax(0,5fr); gap: var(--s-48); align-items: end; margin-bottom: var(--s-48); }
.section-head h2 { font-size: clamp(28px, 3.8vw, 48px); font-weight: 700; letter-spacing: -.025em; max-width: 18ch; }
.section-head .lead { font-size: clamp(16px, 1.4vw, 19px); }
.section-head .eyebrow, .section-head .section-num { grid-column: 1 / -1; margin-bottom: var(--s-8); display: block; }
@media (max-width: 820px) { .section-head { grid-template-columns: 1fr; gap: var(--s-16); margin-bottom: var(--s-48); } }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 0; }
.grid-2 { grid-template-columns: repeat(2, 1fr); column-gap: var(--s-64); }
.grid-3 { grid-template-columns: repeat(3, 1fr); column-gap: var(--s-48); }
.grid-4 { grid-template-columns: repeat(4, 1fr); column-gap: var(--s-32); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* Editorial cards: hairline-divided, not boxed (Palantir style) */
.card { background: transparent; border: 0; border-top: 1px solid var(--line-strong); padding: var(--s-24) 0 var(--s-48); }
.card h3 { font-size: 21px; margin: var(--s-16) 0 var(--s-8); letter-spacing: -.02em; }
.card p { color: var(--muted); font-size: 15px; }
.card--num .ix { font-family: var(--f-mono); color: var(--saffron); font-size: 12px; letter-spacing: .12em; }

/* Differentiators (big numbered editorial blocks) */
.diff-card { position: relative; }
.diff-card .ix { font-family: var(--f-mono); color: var(--saffron); font-size: 12px; letter-spacing: .16em; }
.diff-card h3 { font-size: clamp(20px, 2vw, 25px); margin-top: var(--s-24); max-width: 20ch; }
.diff-card p { margin-top: var(--s-16); }

/* boxed card (used in panels where a frame is needed) */
.card--boxed { border: 1px solid var(--hairline); background: var(--surface); border-top: 1px solid var(--hairline); padding: var(--s-32); border-radius: var(--r-lg); }

/* ---------- Sticky module layout (Product / Technology) ---------- */
.split { display: grid; grid-template-columns: 220px 1fr; gap: var(--s-96); align-items: start; }
@media (max-width: 980px) { .split { grid-template-columns: 1fr; gap: var(--s-32); } }
.module-index { position: sticky; top: 92px; }
@media (max-width: 980px) { .module-index { position: static; } }
.module-index ol { list-style: none; }
.module-index a { display: block; padding: 11px 0; color: var(--muted); text-decoration: none; font-size: 13px; border-bottom: 1px solid var(--hairline); font-family: var(--f-mono); letter-spacing: .04em; transition: color .15s ease; }
.module-index a:hover { color: var(--saffron); }
.module { padding: var(--s-64) 0; border-bottom: 1px solid var(--hairline); scroll-margin-top: 92px; }
.module:first-child { padding-top: 0; }
.module .ix { font-family: var(--f-mono); color: var(--saffron); font-size: 12px; letter-spacing: .16em; }
.module h3 { font-size: clamp(24px, 3vw, 34px); font-weight: 700; margin: var(--s-16) 0 var(--s-24); letter-spacing: -.025em; max-width: 22ch; }
.module ul { margin: var(--s-24) 0 0 var(--s-16); color: var(--muted); }
.module ul li { margin-bottom: var(--s-16); padding-left: var(--s-8); }
.module ul li b { color: var(--text); font-family: var(--f-mono); font-size: 13px; letter-spacing: .02em; }

/* ---------- Diagram captions (shared by .arch figures) ---------- */
.diagram-caption { margin-top: var(--s-24); }
.airgap-note { font-family: var(--f-mono); font-size: 11px; color: var(--info); letter-spacing: .06em; }

/* ---------- Architecture diagram (real SVG, theme-aware) ---------- */
.arch { border: 1px solid var(--line-strong); background: var(--surface); padding: var(--s-32) var(--s-24) var(--s-24); }
.arch-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-16); flex-wrap: wrap; margin-bottom: var(--s-24); }
.arch-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.arch-svg { display: block; width: 100%; min-width: 680px; max-width: 940px; height: auto; margin: 0 auto; }
.arch-svg text { dominant-baseline: middle; }
.arch-svg .perim { fill: none; stroke: var(--line-strong); stroke-width: 1.5; stroke-dasharray: 2 4; }
.arch-svg .chip { fill: var(--surface); }
.arch-svg .chip-label { font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; fill: var(--saffron); }
.arch-svg .node { fill: var(--raised); stroke: var(--line-strong); stroke-width: 1; }
.arch-svg .node.is-active { stroke: var(--saffron-fill); stroke-width: 1.6; }
.arch-svg .svc { fill: var(--surface); stroke: var(--hairline); stroke-width: 1; }
.arch-svg .nl { font-family: var(--f-mono); font-size: 9.5px; letter-spacing: .1em; fill: var(--muted); }
.arch-svg .nt { font-family: var(--f-display); font-weight: 600; font-size: 13px; fill: var(--text); }
.arch-svg .flowline { stroke: var(--saffron-fill); stroke-width: 1.5; fill: none; }
.arch-svg .arrowhead { fill: var(--saffron-fill); }
.arch-svg .auxline { stroke: var(--line-strong); stroke-width: 1; stroke-dasharray: 2 3; fill: none; }
.arch-svg .aux-label { font-family: var(--f-mono); font-size: 10px; letter-spacing: .04em; fill: var(--muted); }
.arch-svg .egress { stroke: var(--muted); stroke-width: 1.25; stroke-dasharray: 3 4; fill: none; }
.arch-svg .egress-box { fill: none; stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 4; }
.arch-svg .egress-label { font-family: var(--f-mono); font-size: 10px; letter-spacing: .06em; fill: var(--alert); }
.arch-svg .x-mark { stroke: var(--alert); stroke-width: 1.6; }
.arch-legend { display: flex; gap: var(--s-24); flex-wrap: wrap; margin-top: var(--s-24); font-family: var(--f-mono); font-size: 11px; color: var(--muted); letter-spacing: .04em; }
.arch-legend span { display: inline-flex; align-items: center; gap: 8px; }
.arch-legend i { width: 22px; height: 0; border-top-width: 2px; border-top-style: solid; display: inline-block; }
.arch-legend .l-flow { border-color: var(--saffron-fill); }
.arch-legend .l-aux { border-top-style: dashed; border-color: var(--line-strong); }
.arch-legend .l-egress { border-top-style: dashed; border-color: var(--alert); }
/* compact variant (home-page teaser, narrow column) */
.arch--compact { padding: var(--s-24); }
.arch--compact .arch-svg { min-width: 0; max-width: 360px; }

/* ---------- PEA chain ---------- */
.chain { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: var(--s-24); border: 1px solid var(--line-strong); }
.chain .step { border-right: 1px solid var(--hairline); padding: var(--s-24) var(--s-16); }
.chain .step:last-child { border-right: 0; }
.chain .pn { font-family: var(--f-mono); font-size: 11px; color: var(--saffron); letter-spacing: .1em; }
.chain .pt { font-family: var(--f-display); font-weight: 700; font-size: 15px; margin: 8px 0 5px; }
.chain .pd { font-size: 12px; color: var(--muted); }
@media (max-width: 720px) { .chain { grid-template-columns: 1fr; } .chain .step { border-right: 0; border-bottom: 1px solid var(--hairline); } .chain .step:last-child { border-bottom: 0; } }

/* ---------- Spec list ---------- */
.spec-list { display: grid; gap: 0; border-top: 1px solid var(--line-strong); }
.spec-row { display: grid; grid-template-columns: 220px 1fr; gap: var(--s-32); padding: var(--s-24) 0; border-bottom: 1px solid var(--hairline); }
@media (max-width: 620px) { .spec-row { grid-template-columns: 1fr; gap: var(--s-8); } }
.spec-row .k { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--saffron); }
.spec-row .v { color: var(--muted); font-size: 16px; }
.spec-row .v b { color: var(--text); }

/* ---------- Comparison table ---------- */
.tbl-wrap { overflow-x: auto; border-top: 1px solid var(--line-strong); }
table.cmp { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 560px; }
table.cmp th, table.cmp td { text-align: left; padding: 18px 20px 18px 0; border-bottom: 1px solid var(--hairline); }
table.cmp thead th { font-family: var(--f-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
table.cmp .col-drishti { color: var(--text); font-weight: 600; }
table.cmp .dim { color: var(--muted); }

/* ---------- Deployment cards ---------- */
.deploy-card { border: 1px solid var(--hairline); background: var(--surface); border-radius: var(--r-lg); padding: var(--s-32); }
.deploy-card .ribbon { font-family: var(--f-mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--saffron); }
.deploy-card.primary { border-color: var(--saffron-fill); box-shadow: inset 0 2px 0 var(--saffron-fill); }
.deploy-card h3 { margin: var(--s-16) 0 var(--s-8); font-size: 19px; }
.deploy-card ul { margin: var(--s-16) 0 0 var(--s-16); color: var(--muted); font-size: 14px; }
.deploy-card ul li { margin-bottom: 7px; }

/* ---------- Use-case cards ---------- */
.uc-card { display: flex; flex-direction: column; gap: var(--s-16); }
.uc-card .uc-icon { width: 44px; height: 44px; border: 1px solid var(--line-strong); display: flex; align-items: center; justify-content: center; color: var(--saffron); font-size: 20px; }

/* ---------- About / team ---------- */
.team-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line-strong); }
@media (max-width: 620px) { .team-row { grid-template-columns: 1fr; } }
.person { padding: var(--s-48) var(--s-48) var(--s-48) 0; border-right: 1px solid var(--hairline); }
.person:last-child { border-right: 0; padding-left: var(--s-48); }
@media (max-width: 620px) { .person, .person:last-child { padding: var(--s-32) 0; border-right: 0; border-bottom: 1px solid var(--hairline); } }
.person .name { font-family: var(--f-display); font-weight: 700; font-size: 24px; letter-spacing: -.02em; }
.person .role { font-family: var(--f-mono); font-size: 12px; color: var(--saffron); letter-spacing: .08em; margin: 8px 0 var(--s-16); text-transform: uppercase; }
.person p { font-size: 15px; color: var(--muted); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1.45fr 1fr; gap: var(--s-96); align-items: start; }
@media (max-width: 900px) { .form-grid { grid-template-columns: 1fr; gap: var(--s-48); } }
.field { margin-bottom: var(--s-24); }
.field label { display: block; font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.field input, .field select, .field textarea { width: 100%; background: var(--raised); border: 1px solid var(--line-strong); color: var(--text); padding: 13px 14px; border-radius: var(--r-md); font-family: var(--f-body); font-size: 15px; }
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--saffron-fill); }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-16); }
@media (max-width: 620px) { .field--row { grid-template-columns: 1fr; } }
.form-note { font-size: 13.5px; color: var(--muted); margin: var(--s-24) 0; }
.contact-panel { border-top: 1px solid var(--line-strong); padding: var(--s-24) 0; }
.contact-panel h3 { font-size: 17px; margin-bottom: var(--s-8); }
.contact-panel a { color: var(--saffron); text-decoration: none; }
.contact-panel a:hover { text-decoration: underline; }
.reg-list { font-family: var(--f-mono); font-size: 12.5px; color: var(--muted); line-height: 2.1; }
.form-status { display: none; margin-top: var(--s-16); border-left: 2px solid var(--ok); background: color-mix(in srgb, var(--ok) 8%, transparent); padding: 13px 16px; font-size: 14px; }
.form-status.show { display: block; }

/* ---------- Alerts / status ---------- */
.alerts { display: grid; gap: 8px; }
.alert { border-left: 2px solid; padding: 11px 15px; font-size: 13px; background: var(--surface); color: var(--muted); }
.alert .lbl { font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.a-ok { border-color: var(--ok); } .a-ok .lbl { color: var(--ok); }
.a-warn { border-color: var(--warn); } .a-warn .lbl { color: var(--warn); }
.a-alert { border-color: var(--alert); } .a-alert .lbl { color: var(--alert); }
.a-info { border-color: var(--info); } .a-info .lbl { color: var(--info); }

/* ---------- Stat row (big editorial numerals) ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-strong); }
@media (max-width: 620px) { .stats { grid-template-columns: 1fr; } }
.stat { padding: var(--s-32); border-right: 1px solid var(--hairline); text-align: center; }
.stat:last-child { border-right: 0; }
.stat .v { font-family: var(--f-display); font-weight: 700; font-size: clamp(36px, 5vw, 56px); letter-spacing: -.03em; }
.stat .k { font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: var(--s-8); }

/* ---------- CTA band (dark, full-bleed) ---------- */
.cta-band { position: relative; overflow: hidden; text-align: left; padding: clamp(56px, 8vw, 96px) 0; border-bottom: 1px solid var(--hairline); }
.cta-band .wrap { position: relative; z-index: 2; }
.cta-band h2 { font-size: clamp(30px, 5vw, 60px); font-weight: 700; letter-spacing: -.03em; max-width: 18ch; margin-bottom: var(--s-24); }
.cta-band .deva { color: var(--saffron); }
.cta-band p { color: var(--muted); max-width: 58ch; font-size: 17px; }
.cta-band .cta-row { justify-content: flex-start; }

/* ---------- Footer (dark, editorial) ---------- */
footer { background: var(--surface); color: var(--text); border-top: 1px solid var(--hairline); padding: var(--s-96) 0 var(--s-48); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.4fr; gap: var(--s-48); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s-32); } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h4 { font-family: var(--f-mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 500; margin-bottom: var(--s-24); }
.footer-col a { display: block; color: var(--muted); text-decoration: none; font-size: 14.5px; padding: 6px 0; transition: color .15s ease; }
.footer-col a:hover { color: #F3F0E8; }
.footer-col .reg-list { line-height: 2; color: var(--muted); }
.footer-base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--s-16); margin-top: var(--s-64); padding-top: var(--s-32); border-top: 1px solid var(--hairline); }
.footer-base .note { max-width: none; color: var(--muted); }
.footer-base .legal a { color: var(--muted); text-decoration: none; font-size: 12px; }
.footer-base .legal a:hover { color: #F3F0E8; }
.footer-base .legal span { color: var(--line-strong); margin: 0 8px; }
footer .brand .mark { color: var(--text); }

/* ---------- Data-viz ---------- */
.sparkline { display: flex; align-items: flex-end; gap: 3px; height: 84px; padding: var(--s-16); border: 1px solid var(--line-strong); background: var(--surface); }
.sparkline .bar { flex: 1; background: var(--line-strong); border-radius: 0; opacity: 1; }
.sparkline .bar.hot { background: var(--saffron-fill); }

/* ---------- Utilities ---------- */
.mt-16 { margin-top: var(--s-16); } .mt-24 { margin-top: var(--s-24); } .mt-32 { margin-top: var(--s-32); } .mt-48 { margin-top: var(--s-48); }

/* ---------- Scroll reveal (progressive, optional) ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }