/* ---------- HELM mid-century modern site ---------- */
/* latin-ext */
@font-face {
  font-family: 'DM Serif Display';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/dm-serif-italic-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;
}
/* latin */
@font-face {
  font-family: 'DM Serif Display';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/dm-serif-italic.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;
}
/* latin-ext */
@font-face {
  font-family: 'DM Serif Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/dm-serif-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;
}
/* latin */
@font-face {
  font-family: 'DM Serif Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/dm-serif.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;
}
/* latin-ext */
@font-face {
  font-family: 'Host Grotesk';
  font-style: italic;
  font-weight: 300;
  font-display: swap;
  src: url("assets/fonts/host-grotesk-italic-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;
}
/* latin */
@font-face {
  font-family: 'Host Grotesk';
  font-style: italic;
  font-weight: 300;
  font-display: swap;
  src: url("assets/fonts/host-grotesk-italic.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;
}
/* latin-ext */
@font-face {
  font-family: 'Host Grotesk';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/host-grotesk-italic-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;
}
/* latin */
@font-face {
  font-family: 'Host Grotesk';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/host-grotesk-italic.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;
}
/* latin-ext */
@font-face {
  font-family: 'Host Grotesk';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("assets/fonts/host-grotesk-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;
}
/* latin */
@font-face {
  font-family: 'Host Grotesk';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("assets/fonts/host-grotesk.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;
}
/* latin-ext */
@font-face {
  font-family: 'Host Grotesk';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/host-grotesk-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;
}
/* latin */
@font-face {
  font-family: 'Host Grotesk';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/host-grotesk.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;
}
/* latin-ext */
@font-face {
  font-family: 'Host Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("assets/fonts/host-grotesk-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;
}
/* latin */
@font-face {
  font-family: 'Host Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("assets/fonts/host-grotesk.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;
}
/* latin-ext */
@font-face {
  font-family: 'Host Grotesk';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("assets/fonts/host-grotesk-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;
}
/* latin */
@font-face {
  font-family: 'Host Grotesk';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("assets/fonts/host-grotesk.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;
}


:root {
  --paper: #f1e7cf;
  --paper-2: #ede2c3;
  --paper-3: #e6d8b4;
  --paper-deep: #d9c89b;
  --card: #f7f0e0;
  --ink: #2a1010;
  --ink-2: #4a2616;
  --ink-3: #5a3a1a;
  --ink-soft: rgba(42,16,16,.64);
  --rule: rgba(74,38,22,.22);
  --rule-soft: rgba(74,38,22,.14);
  --oxblood: #6b1a1a;
  --oxblood-deep: #4a0e0e;
  --oxblood-3a: #3a0808;
  --copper: #c8983a;
  --copper-2: #b77445;
  --mustard: #d5a53a;
  --teal: #2e5f5a;
  --olive: #5e6a3a;
  --cream: #e8c898;

  --f-display: "DM Serif Display", Georgia, "Times New Roman", serif;
  --f-body: "Host Grotesk", "Segoe UI", system-ui, sans-serif;
  --f-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--paper); color: var(--ink); font-family: var(--f-body); font-weight: 400; -webkit-font-smoothing: antialiased; }
body {
  background:
    radial-gradient(1200px 600px at 84% -10%, rgba(200,152,58,.18), transparent 60%),
    radial-gradient(900px 500px at 10% 30%, rgba(107,26,26,.055), transparent 60%),
    linear-gradient(180deg, #f3ead3 0%, #ecdfbe 40%, #e6d8b4 100%);
  min-height: 100vh;
  /* paper grain */
  background-attachment: fixed;
}
body::before {
  content:''; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 28px, rgba(74,38,22,.045) 28px 29px),
    repeating-linear-gradient(90deg, transparent 0 28px, rgba(74,38,22,.045) 28px 29px);
  opacity: .55;
  mask-image: radial-gradient(ellipse at 50% 30%, black 40%, transparent 85%);
}
body::after {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(74,38,22,.18) .8px, transparent 1.2px);
  background-size: 3px 3px;
  opacity: .12;
  mix-blend-mode: multiply;
}

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }

.shell { position: relative; z-index: 1; width: min(1280px, calc(100% - 40px)); margin: 0 auto; }

/* ---------- Header ---------- */
.hdr {
  position: sticky; top: 16px; z-index: 30;
  width: min(1280px, calc(100% - 40px)); margin: 16px auto 0;
  display: flex; align-items: center; gap: 20px;
  background: rgba(247,240,224,.8);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 12px 18px;
  backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 10px 30px rgba(74,38,22,.08);
}
.hdr::before {
  content: ''; position: absolute; left: 14px; right: 14px; top: 0; height: 1px;
  background: linear-gradient(90deg, var(--oxblood), var(--copper) 40%, transparent 80%);
}
.hdr-logo { display: flex; align-items: center; gap: 10px; }
.hdr-logo svg { width: 26px; height: 26px; }
.hdr-logo .wm {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .32em; color: var(--oxblood-deep); text-transform: uppercase;
}
.hdr-logo-full { height: 26px; width: auto; display: block; }
.hdr-nav { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.hdr-nav a {
  font-family: var(--f-mono); font-size: 10px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-2); padding: 10px 18px; border-radius: 999px;
  border: 1px solid var(--rule-soft); background: transparent;
  transition: all .2s;
}
.hdr-nav a:hover { color: var(--oxblood-deep); border-color: var(--rule); background: rgba(247,240,224,.9); box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, 0 2px 6px rgba(74,38,22,.06); }
.hdr-nav a.active { color: var(--oxblood-deep); border-color: var(--rule); background: rgba(247,240,224,.95); box-shadow: 0 1px 0 rgba(255,255,255,.6) inset, 0 2px 8px rgba(74,38,22,.08); }
.hdr-nav .cta {
  background: var(--oxblood-deep); color: var(--cream); border-color: var(--oxblood);
  padding: 10px 20px;
}
.hdr-nav .cta:hover { background: var(--oxblood); color: #fff; border-color: var(--oxblood); }

/* ---------- Sections ---------- */
section { position: relative; padding: 96px 0; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--f-mono); font-size: 10px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--oxblood);
}
.kicker::before { content: ''; width: 22px; height: 1px; background: currentColor; }

h1, h2, h3 { font-family: var(--f-display); font-weight: 400; color: var(--ink); letter-spacing: -.01em; }
h1 { font-size: clamp(48px, 7vw, 96px); line-height: .95; }
h2 { font-size: clamp(34px, 4.6vw, 60px); line-height: 1.02; }
h3 { font-size: clamp(22px, 2vw, 28px); line-height: 1.15; }

p.lead { font-size: 20px; line-height: 1.55; color: var(--ink-soft); max-width: 52ch; }
p { font-size: 15px; line-height: 1.7; color: var(--ink-soft); }

/* ---------- Hero ---------- */
.hero { padding: 90px 0 60px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); gap: 72px; align-items: center; }
.hero-copy { position: relative; }
.hero-meta {
  display: flex; gap: 18px; margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--rule);
  font-family: var(--f-mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-soft);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero-meta .dot { width: 7px; height: 7px; background: var(--oxblood); border-radius: 50%; animation: pulse 2.4s ease-in-out infinite; }
.hero h1 em { font-style: italic; color: var(--oxblood); font-family: var(--f-display); }
.hero-ctas { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 2px;
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  border: 1px solid var(--rule); background: transparent; color: var(--ink);
  cursor: pointer; transition: all .2s;
}
.btn-primary { background: var(--oxblood-deep); color: var(--cream); border-color: var(--oxblood); }
.btn-primary:hover { background: var(--oxblood); color: #fff; transform: translateY(-1px); }
.btn:hover { border-color: var(--oxblood); color: var(--oxblood-deep); }
.btn .arr { font-size: 14px; }

/* Hero visual — atomic/orbital starburst emblem behind a live HELM card */
.hero-visual { position: relative; aspect-ratio: 1 / 1.05; display: flex; align-items: center; justify-content: center; }
.hero-orbit {
  position: absolute; inset: 0; z-index: 0;
}
.hero-orbit svg { width: 100%; height: 100%; display: block; }
.hero-card-wrap { position: relative; z-index: 1; width: min(320px, 80%); }

/* ---------- HELM Card (compact live chip) ---------- */
.helmcard {
  background: var(--card);
  border: 1px solid #c8b890;
  border-radius: 2px;
  overflow: hidden; position: relative;
  font-family: var(--f-mono);
  box-shadow: 0 2px 0 rgba(255,255,255,.5) inset, 0 20px 50px rgba(74,38,22,.18), 0 4px 10px rgba(74,38,22,.08);
}
.helmcard::before {
  content:''; position:absolute; inset:0; pointer-events:none; z-index:0;
  background:
    repeating-linear-gradient(0deg, transparent 0 22px, rgba(100,60,20,.05) 22px 23px),
    repeating-linear-gradient(90deg, transparent 0 22px, rgba(100,60,20,.05) 22px 23px);
}
.hc-hex {
  position: absolute; right: -20px; top: 12px; width: 150px; height: 150px;
  opacity: .07; z-index: 0; pointer-events: none;
}
.hc-scan {
  position: absolute; left: 0; right: 0; height: 60px;
  background: linear-gradient(transparent, rgba(100,40,20,.03), transparent);
  animation: scan 14s linear infinite; pointer-events: none; z-index: 5;
}
.hc-head {
  background: var(--oxblood-deep); height: 28px;
  display: flex; align-items: center; padding: 0 12px; gap: 8px;
  position: relative; z-index: 2; border-bottom: 1px solid var(--oxblood-3a);
}
.hc-head::before {
  content:''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--copper), #8a6020 60%, transparent);
}
.hc-title { font-size: 9px; letter-spacing: .24em; text-transform: uppercase; color: var(--cream); }
.hc-right { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.hc-dot { width: 6px; height: 6px; border-radius: 50%; background: #9b2a2a; animation: pulse 2.4s ease-in-out infinite; }
.hc-status { font-size: 8px; letter-spacing: .2em; text-transform: uppercase; color: #c8a878; }

.hc-state {
  padding: 14px 14px 12px;
  border-bottom: 1px solid #d8c8a4; border-left: 2px solid var(--oxblood);
  position: relative; z-index: 1;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 10px;
}
.hc-sublabel { font-size: 8px; letter-spacing: .22em; text-transform: uppercase; color: #8a6a48; margin-bottom: 6px; }
.hc-value { font-family: var(--f-display); font-size: 30px; color: var(--ink); line-height: 1; margin-bottom: 10px; letter-spacing: -.01em; }
.hc-speak { display: flex; align-items: center; gap: 8px; }
.hc-key {
  font-family: var(--f-mono); font-size: 10px; color: #6a4030; background: #ede4ce;
  border: 1px solid #c4b898; border-bottom-color: #b4a888;
  padding: 2px 8px; border-radius: 2px;
}
.hc-hint { font-size: 8px; letter-spacing: .08em; color: #8a6a48; }
.hc-ctrls { display: flex; flex-direction: column; gap: 6px; }
.hc-btn {
  width: 30px; height: 30px; border-radius: 2px; border: 1px solid #8b2a2a;
  background: var(--oxblood); display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.hc-btn:hover { background: var(--oxblood-deep); }

.hc-last {
  padding: 10px 14px; border-bottom: 1px solid #d8c8a4; border-left: 2px solid var(--oxblood);
  display: flex; align-items: center; gap: 10px; position: relative; z-index: 1;
}
.hc-last-left { flex: 1; min-width: 0; }
.hc-last-value { font-family: var(--f-display); font-style: italic; font-size: 15px; color: var(--ink-2); }
.hc-last-meta { font-family: var(--f-mono); font-size: 7px; color: #a08860; letter-spacing: .06em; margin-top: 2px; }
.hc-chip {
  display: flex; align-items: center; gap: 4px; border: 1px solid #c8b880; padding: 2px 8px;
  background: rgba(100,80,20,.06);
}
.hc-chip-dot { width: 4px; height: 4px; border-radius: 50%; background: #b08830; }
.hc-chip-lbl { font-family: var(--f-mono); font-size: 7px; letter-spacing: .14em; text-transform: uppercase; color: #7a6030; }

.hc-strip { height: 16px; border-bottom: 1px solid #d0c0a0; display: flex; align-items: center; padding: 0 12px; background: rgba(107,26,26,.025); position: relative; z-index: 1; }
.hc-track { flex: 1; height: 3px; background: rgba(107,26,26,.1); border-radius: 2px; position: relative; overflow: hidden; }
.bar-listen { position: absolute; inset: 0; background: var(--oxblood); border-radius: 2px; animation: strip-listen 1.2s ease-in-out infinite; }
.bar-work-wrap { position: absolute; inset: 0; overflow: hidden; border-radius: 2px; }
.bar-work { position: absolute; top: 0; bottom: 0; width: 28%; background: linear-gradient(90deg, transparent, var(--oxblood), transparent); animation: strip-work 1.4s ease-in-out infinite; }
.bar-exec { position: absolute; inset: 0; background: var(--oxblood); border-radius: 2px; animation: strip-exec .5s step-end infinite; }

.hc-foot { height: 44px; display: flex; align-items: stretch; border-top: 1px solid #c8b890; background: #f0e8d4; position: relative; z-index: 2; }
.hc-foot-h { width: 44px; border-right: 1px solid #c8b890; display: flex; align-items: center; justify-content: center; background: #eae0ca; position: relative; }
.hc-foot-h::after { content:''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--oxblood); }
.hc-foot-btns { flex: 1; display: flex; align-items: center; justify-content: flex-end; padding: 0 10px; gap: 5px; }
.hc-foot-btn { width: 26px; height: 26px; border: 1px solid #b8a880; background: #e8dfc8; display: flex; align-items: center; justify-content: center; cursor: pointer; border-radius: 1px; position: relative; }
.hc-foot-btn:hover { background: #d8ccb0; border-color: #a89870; }

/* ---------- Animations ---------- */
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.25} }
@keyframes pulse-fast { 0%,100%{opacity:1} 50%{opacity:.2} }
@keyframes scan { 0%{transform:translateY(-200%)} 100%{transform:translateY(6000%)} }
@keyframes strip-listen { 0%,100%{opacity:.35} 50%{opacity:1} }
@keyframes strip-work { 0%{transform:translateX(-100%)} 100%{transform:translateX(600%)} }
@keyframes strip-exec { 0%,48%{opacity:1} 50%,98%{opacity:.15} 100%{opacity:1} }
@keyframes cursor-blink { 0%,49%{opacity:1} 50%,100%{opacity:0} }
@keyframes fade-up { from{opacity:0; transform:translateY(6px)} to{opacity:1; transform:none} }
@keyframes spin-slow { to { transform: rotate(360deg); } }
@keyframes drift { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
@keyframes ring { 0%{transform:scale(.3); opacity:.8} 100%{transform:scale(1.4); opacity:0} }

/* ---------- Section: Principle/intro ---------- */
.divider-mark {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px;
  margin: 24px 0 44px;
}
.divider-mark .line { height: 1px; background: var(--rule); }
.divider-mark .sym { font-family: var(--f-mono); font-size: 11px; letter-spacing: .3em; text-transform: uppercase; color: var(--ink-soft); }

/* Three-column mid-century ethos board */
.ethos-cards { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.ethos-card { padding: 40px 30px; border-right: 1px solid var(--rule); position: relative; }
.ethos-card:last-child { border-right: 0; }
.ethos-card .num { font-family: var(--f-display); font-style: italic; font-size: 14px; color: var(--oxblood); margin-bottom: 12px; display: block; }
.ethos-card h3 { font-size: 26px; margin-bottom: 12px; }
.ethos-card p { font-size: 14px; }

/* ---------- Interactive: Question Mode (big center demo) ---------- */
.demo-qm {
  position: relative;
  border: 1px solid var(--rule);
  background: linear-gradient(180deg, rgba(247,240,224,.7), rgba(237,228,206,.5));
  border-radius: 2px;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(74,38,22,.1);
}
.demo-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: start; }
.demo-side h3 { font-size: 30px; margin-bottom: 14px; }
.demo-side .note { font-family: var(--f-mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--oxblood); margin-top: 18px; display: block; }
.demo-controls { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-family: var(--f-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  padding: 7px 12px; border-radius: 1px; border: 1px solid #c8b890; background: #ede4ce; color: #8a6a48; cursor: pointer;
}
.chip.on { background: var(--oxblood-deep); color: var(--cream); border-color: var(--oxblood); }
.chip:hover:not(.on) { background: #e3d5b0; color: var(--oxblood-deep); }
.preset {
  padding: 14px 16px; border: 1px solid var(--rule); background: rgba(247,240,224,.5); cursor: pointer;
  display: flex; align-items: center; gap: 12px; border-radius: 1px; transition: all .2s;
  text-align: left; width: 100%;
}
.preset:hover { border-color: var(--oxblood); background: rgba(247,240,224,.95); }
.preset .lbl { font-family: var(--f-mono); font-size: 9px; letter-spacing: .2em; text-transform: uppercase; color: #8a6a48; }
.preset .q { font-family: var(--f-display); font-size: 18px; font-style: italic; color: var(--ink); display: block; margin-top: 2px; }

/* The question mode window */
.qm {
  width: 100%; height: 520px;
  background: var(--card);
  border: 1px solid #c8b890; border-radius: 2px;
  overflow: hidden; position: relative; font-family: var(--f-mono);
  display: flex; flex-direction: column;
  box-shadow: 0 30px 60px rgba(74,38,22,.18);
}
.qm::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 28px, rgba(100,60,20,.055) 28px 29px),
    repeating-linear-gradient(90deg, transparent 0 28px, rgba(100,60,20,.055) 28px 29px);
}
.qm-hex {
  position: absolute; right: -10px; top: 40px; width: 340px; height: 340px;
  opacity: .055; z-index: 0; pointer-events: none;
}
.qm-head {
  background: var(--oxblood-deep); height: 28px; flex-shrink: 0;
  display: flex; align-items: center; padding: 0 12px; gap: 8px;
  position: relative; z-index: 3; border-bottom: 1px solid var(--oxblood-3a);
}
.qm-head::before {
  content:''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--copper), #8a6020 60%, transparent);
}
.qm-title { font-size: 9px; letter-spacing: .22em; text-transform: uppercase; color: var(--cream); }
.qm-sep { color: #5a1a1a; font-size: 9px; }
.qm-id { font-size: 9px; letter-spacing: .1em; color: #7a4a30; }
.qm-mode { font-size: 8px; letter-spacing: .14em; text-transform: uppercase; color: #7a5040; }
.qm-right { margin-left: auto; display: flex; align-items: center; gap: 5px; }
.qm-livedot { width: 7px; height: 7px; border-radius: 50%; background: #9b2a2a; }
.qm-hstatus { font-size: 8px; letter-spacing: .18em; text-transform: uppercase; color: #c8a878; }

.qm-ctx {
  height: 26px; flex-shrink: 0; border-bottom: 1px solid #d8c8a4;
  display: flex; align-items: center; padding: 0 14px; gap: 10px;
  position: relative; z-index: 2;
}
.qm-ctx-lbl { font-size: 8px; letter-spacing: .18em; text-transform: uppercase; color: #8a6a48; }
.qm-ctx-chip { display: flex; align-items: center; gap: 5px; background: rgba(107,26,26,.08); border: 1px solid rgba(107,26,26,.18); padding: 2px 9px; }
.qm-ctx-dot { width: 6px; height: 6px; border-radius: 50%; background: #b08830; }
.qm-ctx-name { font-size: 8px; letter-spacing: .1em; text-transform: uppercase; color: #6a4820; }
.qm-ctx-ts { margin-left: auto; font-size: 8px; color: #a08860; letter-spacing: .04em; }

.qm-body {
  flex: 1; overflow-y: auto; padding: 20px 18px 14px;
  position: relative; z-index: 1;
  scrollbar-width: thin; scrollbar-color: rgba(107,26,26,.3) transparent;
}
.qm-body::-webkit-scrollbar { width: 4px; }
.qm-body::-webkit-scrollbar-thumb { background: rgba(107,26,26,.2); }

.qm-ans { font-family: var(--f-display); font-size: 28px; line-height: 1.3; color: var(--ink); margin-bottom: 10px; animation: fade-up .4s ease-out; }
.qm-body-p { font-family: var(--f-body); font-size: 13px; line-height: 1.7; color: var(--ink-3); margin-bottom: 8px; max-width: 95%; animation: fade-up .5s .1s ease-out backwards; }
.qm-rule { width: 36px; height: 1px; background: var(--oxblood); opacity: .45; margin: 14px 0; }
.qm-sec { font-size: 9px; letter-spacing: .22em; text-transform: uppercase; color: #8a6a48; margin-bottom: 12px; }

.finding {
  border: 1px solid rgba(107,26,26,.15); padding: 14px 16px; margin-bottom: 8px;
  background: rgba(100,60,20,.025); border-left: 2px solid rgba(107,26,26,.3);
  animation: fade-up .5s ease-out backwards;
}
.finding .n { font-family: var(--f-display); font-style: italic; font-size: 18px; color: rgba(107,26,26,.5); margin-bottom: 6px; }
.finding .h { font-family: var(--f-display); font-size: 17px; line-height: 1.35; color: var(--ink); margin-bottom: 6px; }
.finding .s { font-family: var(--f-body); font-size: 12px; line-height: 1.6; color: var(--ink-3); }

.rec-lbl { font-size: 9px; letter-spacing: .22em; text-transform: uppercase; color: #8a6a48; margin: 18px 0 8px; }
.rec-item {
  display: flex; align-items: center; gap: 12px;
  border-top: 1px solid rgba(107,26,26,.1); padding: 11px 0; cursor: pointer;
  transition: background .15s;
}
.rec-item:last-child { border-bottom: 1px solid rgba(107,26,26,.1); }
.rec-item:hover { background: rgba(107,26,26,.04); padding-left: 4px; }
.rec-item .n { font-family: var(--f-display); font-style: italic; font-size: 14px; color: rgba(107,26,26,.5); width: 28px; }
.rec-item .t { font-family: var(--f-mono); font-size: 8px; letter-spacing: .15em; text-transform: uppercase; color: var(--oxblood); margin-bottom: 2px; }
.rec-item .d { font-family: var(--f-body); font-size: 12px; color: var(--ink-3); line-height: 1.4; }
.rec-item .a { color: rgba(107,26,26,.5); }

.skel { background: rgba(107,26,26,.08); border-radius: 1px; position: relative; overflow: hidden; }
.skel::after {
  content: ''; position: absolute; inset: 0; width: 40%;
  background: linear-gradient(90deg, transparent, rgba(200,152,58,.18), transparent);
  animation: strip-work 1.6s ease-in-out infinite;
}

.bar-think { position: absolute; top: 0; bottom: 0; width: 35%; background: linear-gradient(90deg, transparent, var(--oxblood), transparent); animation: strip-work 1.6s ease-in-out infinite; }
.status-bar { height: 3px; background: rgba(107,26,26,.1); position: relative; overflow: hidden; border-radius: 2px; margin: 16px 0 20px; }

.qm-footer {
  height: 50px; flex-shrink: 0; border-top: 1px solid #c8b890;
  display: flex; align-items: stretch; background: #f0e8d4; position: relative; z-index: 3;
}
.qmf-h { width: 50px; border-right: 1px solid #c8b890; display: flex; align-items: center; justify-content: center; background: #eae0ca; position: relative; }
.qmf-h::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--oxblood); }
.qmf-input { flex: 1; display: flex; align-items: center; padding: 0 14px; border-right: 1px solid #c8b890; }
.qmf-input input { flex: 1; background: transparent; border: 0; outline: none; font-family: var(--f-body); font-size: 13px; color: var(--ink); }
.qmf-input input::placeholder { color: #b0a070; font-weight: 300; }
.qmf-cursor { display: inline-block; width: 1px; height: 12px; background: var(--oxblood); margin-left: 2px; animation: cursor-blink 1s step-end infinite; }
.qmf-send { width: 46px; background: var(--oxblood); display: flex; align-items: center; justify-content: center; cursor: pointer; border: 0; }
.qmf-send:hover { background: var(--oxblood-deep); }
.qmf-send.dim { background: var(--oxblood-3a); opacity: .5; }

/* ---------- Command Bar demo ---------- */
.cmd-demo { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.cmd-window {
  background: var(--card); border: 1px solid #c8b890; border-radius: 2px;
  overflow: hidden; font-family: var(--f-mono); position: relative;
  box-shadow: 0 30px 60px rgba(74,38,22,.15);
}
.cmd-head { background: var(--oxblood-deep); height: 28px; display: flex; align-items: center; padding: 0 12px; gap: 8px; }
.cmd-head .t { font-size: 9px; letter-spacing: .22em; text-transform: uppercase; color: var(--cream); }
.cmd-body { padding: 22px; background: var(--card); position: relative; min-height: 300px; }
.cmd-body::before {
  content: ''; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 24px, rgba(100,60,20,.05) 24px 25px),
    repeating-linear-gradient(90deg, transparent 0 24px, rgba(100,60,20,.05) 24px 25px);
  pointer-events: none;
}
.cmd-input-row {
  display: flex; align-items: center; gap: 10px; position: relative; z-index: 1;
  border-bottom: 1px solid var(--rule); padding-bottom: 14px;
}
.cmd-prefix { font-family: var(--f-mono); font-size: 14px; color: var(--oxblood); font-weight: 500; }
.cmd-input {
  flex: 1; font-family: var(--f-body); font-size: 16px; color: var(--ink); background: transparent; border: 0; outline: none;
}
.cmd-input::placeholder { color: #b0a070; font-style: italic; font-weight: 300; }
.cmd-ctx-tag {
  font-family: var(--f-mono); font-size: 9px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--oxblood-deep); background: rgba(200,152,58,.2); padding: 4px 10px; border: 1px solid rgba(200,152,58,.3);
}
.cmd-out { padding-top: 16px; position: relative; z-index: 1; min-height: 220px; }
.cmd-resolve-lbl { font-family: var(--f-mono); font-size: 9px; letter-spacing: .22em; text-transform: uppercase; color: #8a6a48; margin-bottom: 14px; }
.cmd-step {
  display: flex; gap: 14px; align-items: flex-start; padding: 10px 0;
  border-top: 1px solid var(--rule-soft); opacity: 0; transform: translateY(6px);
  transition: opacity .3s, transform .3s;
}
.cmd-step.visible { opacity: 1; transform: none; }
.cmd-step .num { font-family: var(--f-display); font-style: italic; font-size: 16px; color: var(--oxblood); width: 24px; flex-shrink: 0; }
.cmd-step .phase { font-family: var(--f-mono); font-size: 9px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 3px; }
.cmd-step .txt { font-family: var(--f-display); font-size: 18px; line-height: 1.25; color: var(--ink); }
.cmd-step .chk { color: var(--oxblood); flex-shrink: 0; }

/* ---------- Atomic starburst decoration ---------- */
.atomic {
  position: absolute; width: 600px; height: 600px; pointer-events: none;
  opacity: .08;
}

/* ---------- Section headers ---------- */
.sec-head { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; margin-bottom: 56px; }
.sec-head .lft { display: flex; flex-direction: column; gap: 14px; }
.sec-head .rgt { padding-bottom: 8px; }
.sec-head h2 em { font-style: italic; color: var(--oxblood); }

/* ---------- Use cases (mid-century card grid) ---------- */
.usecase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--rule); }
.uc-cell { padding: 34px 28px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); position: relative; background: rgba(247,240,224,.35); transition: background .2s; }
.uc-cell:nth-child(3n) { border-right: 0; }
.uc-cell:nth-last-child(-n+3) { border-bottom: 0; }
.uc-cell:hover { background: rgba(247,240,224,.8); }
.uc-tag { font-family: var(--f-mono); font-size: 9px; letter-spacing: .2em; text-transform: uppercase; color: var(--oxblood); margin-bottom: 14px; display: block; }
.uc-cmd { font-family: var(--f-display); font-style: italic; font-size: 26px; line-height: 1.15; color: var(--ink); margin-bottom: 20px; }
.uc-flow { display: flex; flex-direction: column; gap: 8px; font-family: var(--f-body); font-size: 13px; color: var(--ink-3); }
.uc-flow div::before { content: '→'; color: var(--oxblood); margin-right: 8px; font-family: var(--f-mono); }

/* ---------- Architects ---------- */
.arch-list { display: grid; gap: 64px; }
.arch { display: grid; grid-template-columns: 220px 1fr; gap: 48px; align-items: start; padding-top: 32px; border-top: 1px solid var(--rule); }
.arch img { width: 220px; height: 260px; object-fit: cover; background: transparent; }
.arch .lbl { font-family: var(--f-mono); font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--oxblood); margin-bottom: 8px; }
.arch h3 { font-family: var(--f-display); font-size: 34px; margin-bottom: 14px; }
.arch p { margin-bottom: 10px; max-width: 58ch; font-size: 15px; }

/* ---------- Download section ---------- */
.dl-block {
  border: 1px solid var(--rule);
  padding: 72px 56px;
  background: 
    radial-gradient(800px 400px at 80% 20%, rgba(200,152,58,.12), transparent 60%),
    linear-gradient(180deg, rgba(247,240,224,.95), rgba(237,228,206,.85));
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center;
  position: relative; overflow: hidden;
}
.dl-block .atomic-small { position: absolute; right: -80px; top: -60px; width: 320px; height: 320px; opacity: .16; pointer-events: none; }

/* ---------- Login & Help ---------- */
.login-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.login-card { background: var(--card); border: 1px solid #c8b890; padding: 32px; border-radius: 2px; box-shadow: 0 20px 50px rgba(74,38,22,.12); display: flex; flex-direction: column; gap: 14px; }
.login-tabs { display: flex; gap: 8px; padding: 4px; background: #ede2c3; border-radius: 999px; align-self: flex-start; }
.login-tab { font-family: var(--f-mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; padding: 8px 16px; border-radius: 999px; border: 0; background: transparent; color: var(--ink-3); cursor: pointer; }
.login-tab.on { background: var(--paper); box-shadow: 0 1px 0 rgba(255,255,255,.6) inset, 0 1px 3px rgba(74,38,22,.08); color: var(--oxblood-deep); }
.gbtn { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 12px; border: 1px solid var(--rule); background: var(--paper); font-family: var(--f-mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-2); cursor: pointer; border-radius: 2px; }
.gbtn:hover { background: #ede2c3; }
.or { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center; color: var(--ink-soft); font-family: var(--f-mono); font-size: 9px; letter-spacing: .3em; }
.or::before, .or::after { content:''; height: 1px; background: var(--rule); }
.fld { padding: 12px 14px; border: 1px solid var(--rule); background: var(--paper); border-radius: 2px; font-family: var(--f-body); font-size: 14px; color: var(--ink); outline: none; }
.fld:focus { border-color: var(--oxblood); }
.forgot { font-family: var(--f-mono); font-size: 10px; letter-spacing: .16em; color: var(--ink-soft); align-self: flex-start; text-decoration: underline; text-underline-offset: 3px; }
.session-note { font-family: var(--f-mono); font-size: 9px; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-soft); text-align: center; padding-top: 10px; border-top: 1px solid var(--rule-soft); margin-top: 6px; }
.stat-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 22px; }
.stat { border: 1px solid var(--rule); padding: 18px 16px; background: rgba(247,240,224,.4); }
.stat .n { font-family: var(--f-display); font-size: 38px; line-height: 1; color: var(--oxblood); }
.stat .l { font-family: var(--f-mono); font-size: 9px; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-soft); margin-top: 6px; }
@media (max-width: 960px) { .login-grid { grid-template-columns: 1fr; } }

/* ---------- Retrofuturism ---------- */
.retro-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.retro-card { padding: 44px 32px; border-right: 1px solid var(--rule); position: relative; background: rgba(247,240,224,.35); }
.retro-card:last-child { border-right: 0; }
.retro-num { font-family: var(--f-display); font-style: italic; font-size: 42px; color: var(--oxblood); line-height: 1; margin-bottom: 20px; display: block; }
.retro-card h3 { font-size: 22px; margin-bottom: 14px; line-height: 1.2; }
.retro-card p { font-size: 14px; }
@media (max-width: 960px) {
  .retro-grid { grid-template-columns: 1fr; }
  .retro-card { border-right: 0; border-bottom: 1px solid var(--rule); }
  .retro-card:last-child { border-bottom: 0; }
}

/* ---------- Footer ---------- */
.ftr { margin-top: 80px; padding: 48px 0 32px; border-top: 1px solid var(--rule); display: grid; grid-template-columns: 1fr auto 1fr; gap: 40px; align-items: center; }
.ftr .l { display: flex; align-items: center; gap: 14px; }
.ftr .l svg { width: 32px; height: 32px; }
.ftr .sub { font-family: var(--f-mono); font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-soft); }
.ftr .sym { font-family: var(--f-display); font-style: italic; font-size: 20px; color: var(--oxblood); }
.ftr .r { text-align: right; font-family: var(--f-mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-soft); }

/* ---------- Tweaks Panel ---------- */
.tweaks-panel {
  position: fixed; right: 20px; bottom: 20px; z-index: 100;
  background: var(--card); border: 1px solid #c8b890;
  box-shadow: 0 20px 50px rgba(74,38,22,.25); padding: 16px;
  width: 260px; display: none; border-radius: 2px;
  font-family: var(--f-mono);
}
.tweaks-panel.open { display: block; }
.tweaks-panel h4 { font-family: var(--f-mono); font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--oxblood); margin-bottom: 12px; }
.tweaks-panel .row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.tweaks-panel select, .tweaks-panel input[type="color"] { border: 1px solid var(--rule); padding: 3px 6px; background: var(--paper); font-family: var(--f-mono); font-size: 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .demo-grid, .cmd-demo, .dl-block, .sec-head { grid-template-columns: 1fr; gap: 36px; }
  .ethos-cards { grid-template-columns: 1fr; }
  .ethos-card { border-right: 0; border-bottom: 1px solid var(--rule); }
  .ethos-card:last-child { border-bottom: 0; }
  .usecase-grid { grid-template-columns: 1fr; }
  .uc-cell { border-right: 0; border-bottom: 1px solid var(--rule); }
  .uc-cell:last-child { border-bottom: 0; }
  .arch { grid-template-columns: 1fr; }
  .hdr-nav a:not(.cta) { display: none; }
  .ftr { grid-template-columns: 1fr; text-align: center; }
  .ftr .r { text-align: center; }
}