/* ============================================================
   BRIDGE — Landing
   Design tokens per spec §2
   ============================================================ */

:root {
  --cyan:   #00E5FF;
  --cyan-d: #00b8cc;
  --bg:     #04060c;
  --bg-2:   #060914;
  --panel:  rgba(14, 20, 36, 0.78);
  --panel-2: rgba(18, 26, 44, 0.6);
  --border: rgba(0, 229, 255, 0.1);
  --border-2: rgba(0, 229, 255, 0.18);
  --border-3: rgba(0, 229, 255, 0.34);
  --muted:  #4a5568;
  --muted2: #8892a4;
  --text:   #e8ecf4;
  --white:  #f0f4ff;
  --green:  #10B981;
  --gold:   #FFD700;
  --amber:  #F59E0B;
  --red:    #EF4444;

  --f-h: 'Orbitron', monospace;
  --f-b: 'Sora', sans-serif;
  --f-m: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }
body {
  font-family: var(--f-b);
  background: var(--bg);
  color: var(--text);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  cursor: crosshair;
  overflow-x: hidden;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: crosshair; }
em { font-style: italic; color: var(--cyan); }

/* ============== ATMOSPHERIC LAYERS ============== */
#neural {
  position: fixed; inset: 0;
  z-index: 0;
  pointer-events: none;
}
.scanlines {
  position: fixed; inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0, 229, 255, 0.012) 2px,
    rgba(0, 229, 255, 0.012) 3px
  );
  mix-blend-mode: overlay;
}
.vignette {
  position: fixed; inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 30%, rgba(0,0,0,0.7) 100%),
    radial-gradient(ellipse at top, rgba(0, 229, 255, 0.04) 0%, transparent 60%);
}

/* ============== NAV ============== */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  height: 72px;
  display: flex; align-items: center;
  padding: 0 32px;
  gap: 32px;
  background: rgba(4, 6, 12, 0.7);
  backdrop-filter: blur(30px) saturate(1.4);
  -webkit-backdrop-filter: blur(30px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: inline-flex; align-items: center;
  text-decoration: none;
}
.brand-logo {
  height: 34px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.18));
  transition: filter .3s;
}
.brand:hover .brand-logo {
  filter: drop-shadow(0 0 14px rgba(0, 229, 255, 0.45));
}
.brand-logo-foot { height: 28px; }
.nav-links {
  display: flex; gap: 28px;
  margin-left: 16px;
}
.nav-links a {
  font-family: var(--f-m);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted2);
  transition: color .2s;
}
.nav-links a:hover { color: var(--cyan); }
.nav-controls {
  display: flex; align-items: center; gap: 10px;
  margin-left: auto;
}
.nav-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--f-m);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted2);
  padding: 8px 12px;
  border: 1px solid var(--border-2);
  border-radius: 2px;
  transition: all .2s;
}
.nav-ghost:hover { color: var(--cyan); border-color: var(--border-3); }
.nav-ghost .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}
#verify-mode-toggle[aria-pressed="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
}
.nav-signin { border: 0; }
.nav-cta {
  display: inline-flex; align-items: center;
  font-family: var(--f-m);
  font-size: 10px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  padding: 10px 18px;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  transition: all .25s;
}
.nav-cta::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(0,229,255,0.25) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform .8s;
}
.nav-cta:hover {
  background: rgba(0, 229, 255, 0.1);
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.3);
}
.nav-cta:hover::before { transform: translateX(100%); }

/* ============== SECTION & PROTO LABEL ============== */
.proto-label {
  display: inline-block;
  font-family: var(--f-m);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.proto-label::after {
  content: '▌';
  color: var(--cyan);
  margin-left: 4px;
  animation: blink .8s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.band {
  position: relative;
  z-index: 2;
  padding: 120px 64px;
  max-width: 1480px;
  margin: 0 auto;
}
.band-alt { background: linear-gradient(180deg, transparent 0%, rgba(0, 229, 255, 0.015) 50%, transparent 100%); }
.band-head { margin-bottom: 56px; max-width: 920px; }
.band-title {
  font-family: var(--f-h);
  font-weight: 700;
  font-size: clamp(28px, 3.4vw, 48px);
  line-height: 1.15;
  color: var(--white);
  letter-spacing: -0.5px;
  text-wrap: balance;
}

/* ============== HERO ============== */
.hero {
  position: relative;
  z-index: 2;
  padding: 132px 64px 80px;
  max-width: 1480px;
  margin: 0 auto;
}
.hero-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 36px;
}
.hero-counter {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-m);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--muted2);
  padding: 8px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 2px;
}
.counter-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulseGreen 1.4s ease-in-out infinite;
}
@keyframes pulseGreen { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.counter-num {
  color: var(--white); font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.counter-label { color: var(--muted); }

.hero-title-wrap { max-width: 1100px; margin-bottom: 48px; }
.hero-title {
  font-family: var(--f-h);
  font-weight: 800;
  font-size: clamp(40px, 6vw, 88px);
  line-height: 1.02;
  letter-spacing: -1.5px;
  color: var(--white);
  text-wrap: balance;
}
.hero-title .line-1 { display: block; opacity: 0.92; }
.hero-title .line-2 { display: block; margin-top: 6px; }
.hero-title em {
  font-family: var(--f-h);
  font-style: italic;
  color: var(--cyan);
  text-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
}
.hero-sub {
  font-size: 18px;
  color: var(--muted2);
  max-width: 720px;
  margin-top: 28px;
  line-height: 1.55;
}

/* ============== DEMO ============== */
.demo {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 24px;
  margin-top: 16px;
  background: linear-gradient(135deg, rgba(8,12,24,0.9), rgba(8,12,24,0.7));
  border: 1px solid var(--border-2);
  border-radius: 4px;
  padding: 28px;
  position: relative;
}
.demo::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.6;
  animation: traceTop 3s ease-in-out infinite;
}
@keyframes traceTop {
  0%,100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

.demo-left { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.demo-right { display: flex; flex-direction: column; gap: 18px; min-width: 0; }

.demo-doc { background: rgba(0,0,0,0.5); border: 1px solid var(--border-2); border-radius: 3px; overflow: hidden; }
.demo-doc-h, .term-h {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-2);
  background: rgba(0,0,0,0.3);
  font-family: var(--f-m); font-size: 11px;
  color: var(--muted2);
  letter-spacing: 1px;
}
.dots { display: inline-flex; gap: 6px; }
.dots i {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--muted); opacity: 0.5;
}
.dots i:nth-child(1) { background: #ff5f57; }
.dots i:nth-child(2) { background: #febc2e; }
.dots i:nth-child(3) { background: #28c840; }
.doc-title { flex: 1; }
.doc-meta {
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--cyan);
  padding: 2px 8px;
  border: 1px solid var(--border-3);
  border-radius: 2px;
}

.demo-doc-body { position: relative; padding: 22px 22px 24px; min-height: 200px; }
.clause {
  font-family: var(--f-m);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}
.clause .typed-cursor {
  display: inline-block; width: 8px; background: var(--cyan);
  margin-left: 2px; animation: blink .8s step-end infinite;
  height: 1em; vertical-align: text-bottom;
}
.corrections-overlay { position: absolute; pointer-events: none; }
.clause mark {
  background: transparent;
  color: inherit;
  position: relative;
  transition: all .4s;
}
.clause mark.flag-add {
  background: rgba(16, 185, 129, 0.18);
  color: var(--green);
  padding: 0 2px;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(16,185,129,0.35);
}
.clause mark.flag-rm {
  background: rgba(239, 68, 68, 0.14);
  color: var(--red);
  text-decoration: line-through;
  text-decoration-color: rgba(239,68,68,0.6);
  padding: 0 2px;
  border-radius: 2px;
}
.clause mark.flag-hl {
  background: rgba(245, 158, 11, 0.14);
  color: var(--amber);
  padding: 0 2px;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(245,158,11,0.3);
}

/* corrections cards */
.demo-corrections { display: flex; flex-direction: column; gap: 8px; }
.corr {
  background: var(--panel);
  border: 1px solid var(--border-2);
  border-left: 2px solid var(--cyan);
  border-radius: 2px;
  padding: 10px 14px;
  font-size: 12.5px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .35s ease, transform .35s ease;
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  gap: 12px; align-items: center;
}
.corr.show { opacity: 1; transform: translateY(0); }
.corr-id {
  font-family: var(--f-m); font-size: 10px; letter-spacing: 1.5px;
  color: var(--cyan);
  padding: 3px 7px; border: 1px solid var(--border-3); border-radius: 2px;
}
.corr-sev {
  font-family: var(--f-m); font-size: 9px; letter-spacing: 1.5px;
  padding: 3px 7px; border-radius: 2px;
}
.corr-sev.high { color: var(--red); border: 1px solid rgba(239,68,68,0.4); background: rgba(239,68,68,0.08); }
.corr-sev.med  { color: var(--amber); border: 1px solid rgba(245,158,11,0.4); background: rgba(245,158,11,0.08); }
.corr-sev.low  { color: var(--green); border: 1px solid rgba(16,185,129,0.4); background: rgba(16,185,129,0.08); }
.corr-text { color: var(--text); font-family: var(--f-b); font-size: 13px; }
.corr-text strong { color: var(--white); font-weight: 500; }
.corr-models {
  display: inline-flex; gap: 3px;
}
.corr-models i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 4px var(--green);
}
.corr-models i.no { background: var(--muted); box-shadow: none; }

/* model panel */
.panel-head {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--f-m); font-size: 10px; letter-spacing: 2px;
  color: var(--muted2);
}
.protocol-key { color: var(--cyan); }
.protocol-key.dim { color: var(--muted); }

.model-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.model-list li {
  display: grid;
  grid-template-columns: 18px 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--border);
  border-radius: 2px;
  font-family: var(--f-m); font-size: 12px;
  transition: all .25s;
}
.m-ind {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--muted); opacity: 0.5;
  transition: all .3s;
}
.m-name { color: var(--text); font-weight: 500; letter-spacing: 0.3px; }
.m-prov { color: var(--muted); font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; }
.m-state {
  font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--muted); font-weight: 500;
}
.model-list li[data-state="analyzing"] {
  border-color: var(--border-3);
  background: rgba(0, 229, 255, 0.04);
}
.model-list li[data-state="analyzing"] .m-ind {
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: indSpin 1s linear infinite;
  opacity: 1;
}
@keyframes indSpin { to { transform: rotate(360deg) } }
.model-list li[data-state="analyzing"] .m-state { color: var(--cyan); }
.model-list li[data-state="complete"] .m-ind { background: var(--green); box-shadow: 0 0 6px var(--green); opacity: 1; }
.model-list li[data-state="complete"] .m-state { color: var(--green); }
.model-list li[data-state="dissent"] .m-ind { background: var(--red); box-shadow: 0 0 10px var(--red); opacity: 1; animation: indPulse .6s ease-in-out infinite; }
.model-list li[data-state="dissent"] { border-color: rgba(239,68,68,0.35); background: rgba(239, 68, 68, 0.05); }
.model-list li[data-state="dissent"] .m-state { color: var(--red); }
.model-list li[data-state="conceded"] .m-ind { background: var(--amber); box-shadow: 0 0 6px var(--amber); opacity: 1; }
.model-list li[data-state="conceded"] .m-state { color: var(--amber); }
@keyframes indPulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.5); opacity: 0.6; } }

/* debate */
.debate {
  background: rgba(239, 68, 68, 0.04);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: 2px;
  padding: 12px 14px;
  font-size: 12px;
}
.debate-head {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--f-m); font-size: 10px; letter-spacing: 1.5px;
  color: var(--red); margin-bottom: 8px;
}
.d-meta { color: var(--muted); }
.debate-body {
  font-family: var(--f-m); font-size: 11.5px; line-height: 1.6;
  color: var(--muted2);
}
.debate-body .quote { color: var(--text); display: block; padding: 3px 0; }
.debate-body .quote-from { color: var(--cyan); }
.debate-body .quote-from.grok { color: var(--amber); }

/* confidence */
.confidence {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border-2);
}
.conf-row {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}
.conf-label {
  font-family: var(--f-m); font-size: 10px; letter-spacing: 2px; color: var(--muted2);
}
.conf-val {
  font-family: var(--f-h); font-size: 32px; font-weight: 700;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}
.conf-pct { color: var(--muted2); font-size: 18px; margin-left: 2px; }
.conf-bar { height: 4px; background: rgba(255,255,255,0.06); border-radius: 2px; overflow: hidden; }
.conf-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.5);
  transition: width 1.2s cubic-bezier(.2,.8,.2,1);
}
.conf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 12px;
}
.conf-grid > div {
  display: flex; flex-direction: column; gap: 2px;
  padding: 8px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 2px;
}
.conf-grid .k { font-family: var(--f-m); font-size: 9px; color: var(--muted); letter-spacing: 1.5px; }
.conf-grid .v { font-family: var(--f-m); font-size: 13px; color: var(--white); font-weight: 600; }

.verdict-row {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 12px;
}
.verdict {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--f-m); font-size: 11px; letter-spacing: 1.5px;
  padding: 6px 10px;
  border-radius: 2px;
  transition: all .3s;
}
.verdict[data-state="pending"] { background: rgba(255,255,255,0.04); color: var(--muted); border: 1px solid var(--border-2); }
.verdict[data-state="pending"] .v-dot { background: var(--muted); }
.verdict[data-state="verified"] { background: rgba(16,185,129,0.1); color: var(--green); border: 1px solid rgba(16,185,129,0.4); box-shadow: 0 0 16px rgba(16,185,129,0.2); }
.verdict[data-state="verified"] .v-dot { background: var(--green); box-shadow: 0 0 6px var(--green); }
.v-dot { width: 7px; height: 7px; border-radius: 50%; }

.rerun {
  font-family: var(--f-m); font-size: 10px; letter-spacing: 1.5px;
  color: var(--muted2);
  padding: 6px 10px;
  border: 1px solid var(--border-2);
  border-radius: 2px;
  transition: all .2s;
}
.rerun:hover { color: var(--cyan); border-color: var(--border-3); }

.demo-caption {
  margin-top: 24px;
  display: flex; align-items: center; gap: 14px;
  font-family: var(--f-m); font-size: 12px;
  color: var(--muted2);
  letter-spacing: 0.5px;
}
.demo-caption-sep { color: var(--muted); }
.inline-cta {
  color: var(--cyan);
  border-bottom: 1px solid var(--border-3);
  padding-bottom: 1px;
  transition: all .2s;
}
.inline-cta:hover { border-color: var(--cyan); }

/* ============== SHIELD ============== */
.shield {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px;
  color: var(--cyan);
  opacity: 0.55;
  margin: 0 4px;
  vertical-align: middle;
  cursor: crosshair;
  transition: all .2s;
}
.shield:hover, .shield:focus { opacity: 1; transform: scale(1.15); outline: none; filter: drop-shadow(0 0 6px var(--cyan)); }

/* shield modal */
.shield-modal {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  background: rgba(2, 4, 10, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 20px;
}
.shield-modal[hidden] { display: none; }
.shield-modal-card {
  max-width: 540px; width: 100%;
  background: linear-gradient(135deg, rgba(8,12,24,0.98), rgba(12,16,28,0.95));
  border: 1px solid var(--border-3);
  border-radius: 4px;
  box-shadow: 0 24px 80px rgba(0, 229, 255, 0.12), 0 0 0 1px rgba(0,229,255,0.05);
  overflow: hidden;
  animation: smIn .25s ease-out;
}
@keyframes smIn { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
.shield-modal-card header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-2);
}
.sm-tag {
  font-family: var(--f-m); font-size: 11px; color: var(--cyan);
  letter-spacing: 2px;
}
.sm-x {
  font-size: 20px; color: var(--muted); width: 28px; height: 28px;
}
.sm-x:hover { color: var(--white); }
.sm-body { padding: 20px 22px 24px; }
.sm-body .sm-stat {
  font-family: var(--f-h); font-size: 38px; font-weight: 700;
  color: var(--white);
}
.sm-body .sm-desc { color: var(--muted2); font-size: 13px; margin: 8px 0 18px; }
.sm-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  font-family: var(--f-m); font-size: 12px;
}
.sm-grid > div {
  padding: 10px 12px;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  border-radius: 2px;
}
.sm-grid .k { font-size: 10px; color: var(--muted); letter-spacing: 1.5px; }
.sm-grid .v { color: var(--white); display: block; margin-top: 2px; }
.sm-hash {
  margin-top: 14px; padding: 10px 12px;
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--border);
  border-radius: 2px;
  font-family: var(--f-m); font-size: 11px;
  color: var(--muted2);
  word-break: break-all;
}

/* ============== 02 — PROBLEM ============== */
.three-up {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border-2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 3px;
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: transform .4s, border-color .3s;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--border-2);
  transition: background .3s, box-shadow .3s;
}
.card::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(0,229,255,0.06) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform .6s;
  pointer-events: none;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-3); }
.card:hover::before { background: var(--cyan); box-shadow: 0 0 16px var(--cyan); }
.card:hover::after { transform: translateX(100%); }
.card-h {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px;
  font-family: var(--f-m); font-size: 10px; letter-spacing: 2px;
}
.card-num { color: var(--cyan); }
.card-tag { color: var(--muted); }
.card h3 {
  font-family: var(--f-h); font-weight: 600;
  font-size: 22px; line-height: 1.2;
  color: var(--white);
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}
.card p { color: var(--muted2); font-size: 14.5px; line-height: 1.6; }
.stat-row {
  margin-top: 22px; padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex; align-items: baseline; gap: 12px;
}
.stat-n {
  font-family: var(--f-h); font-size: 28px; font-weight: 700;
  color: var(--cyan); text-shadow: 0 0 12px rgba(0,229,255,0.3);
}
.stat-l { font-family: var(--f-m); font-size: 10.5px; color: var(--muted); letter-spacing: 0.5px; }

/* ============== 03 — FLOW ============== */
.flow {
  list-style: none;
  display: flex; align-items: stretch; gap: 12px;
  flex-wrap: nowrap;
  overflow-x: auto;
}
.flow-step {
  flex: 1; min-width: 200px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--border-2);
  border-radius: 3px;
  position: relative;
}
.flow-step::before {
  content: ''; position: absolute; top: 0; left: 0; height: 2px; width: 40px;
  background: var(--cyan); box-shadow: 0 0 12px var(--cyan);
}
.flow-n {
  font-family: var(--f-m); font-size: 11px;
  color: var(--cyan); letter-spacing: 2px;
}
.flow-step h4 {
  font-family: var(--f-h); font-size: 18px; font-weight: 700;
  color: var(--white); margin: 8px 0 8px;
  letter-spacing: 1px;
}
.flow-step p { color: var(--muted2); font-size: 13.5px; line-height: 1.55; }
.flow-arrow {
  display: flex; align-items: center;
  font-family: var(--f-m); font-size: 22px;
  color: var(--cyan);
  opacity: 0.5;
  flex: 0 0 auto;
}

/* ============== 04 — TERMINAL ============== */
.terminal {
  background: rgba(0,0,0,0.6);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  overflow: hidden;
  backdrop-filter: blur(6px);
}
.term-title { flex: 1; text-align: center; color: var(--muted2); }
.term-body {
  font-family: var(--f-m);
  font-size: 13.5px;
  line-height: 1.7;
  padding: 24px 28px;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}
.t-cyan { color: var(--cyan); }
.t-cmd { color: var(--white); font-weight: 600; }
.t-flag { color: var(--amber); }
.t-val { color: var(--green); }
.t-mute { color: var(--muted); }
.t-green { color: #aef0c2; }
.t-cursor {
  color: var(--cyan); animation: blink .8s step-end infinite;
  margin-left: 2px;
}

/* ============== 05 — CONFIDENCE EXPLAIN ============== */
.conf-explain {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}
.conf-explain-text p {
  color: var(--muted2);
  font-size: 17px; line-height: 1.6;
  margin-bottom: 16px;
}
.conf-explain-text p:last-of-type { color: var(--text); }
.conf-formula { list-style: none; margin-top: 28px; display: flex; flex-direction: column; gap: 6px; }
.conf-formula li {
  display: grid; grid-template-columns: 24px 1fr; gap: 12px;
  padding: 10px 14px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 2px;
  font-family: var(--f-m); font-size: 13px;
  color: var(--muted2);
}
.conf-formula .f-k {
  font-family: var(--f-h); font-weight: 700;
  color: var(--cyan);
  text-align: center;
}
.big-conf {
  padding: 36px;
  background: linear-gradient(160deg, rgba(0,229,255,0.04), transparent);
  border: 1px solid var(--border-3);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.big-conf::before {
  content: ''; position: absolute; inset: -2px;
  background: conic-gradient(from 180deg, transparent, rgba(0,229,255,0.15), transparent);
  animation: rot 8s linear infinite;
  pointer-events: none; z-index: 0;
}
@keyframes rot { to { transform: rotate(1turn) } }
.big-conf > * { position: relative; z-index: 1; }
.big-conf-num {
  font-family: var(--f-h); font-weight: 800;
  font-size: 96px; line-height: 1;
  color: var(--white);
  letter-spacing: -3px;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 32px rgba(0,229,255,0.3);
}
.big-conf-pct { color: var(--cyan); font-size: 48px; margin-left: 4px; }
.big-conf-label {
  font-family: var(--f-m); font-size: 11px; letter-spacing: 2px;
  color: var(--muted2); margin-top: 8px;
}
.big-conf-bar {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px; overflow: hidden;
  margin: 22px 0 22px;
}
.big-conf-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  box-shadow: 0 0 16px rgba(0,229,255,0.5);
}
.big-conf-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 18px;
  font-family: var(--f-m); font-size: 12px;
}
.big-conf-grid span { color: var(--muted); letter-spacing: 1px; }
.big-conf-grid b { color: var(--white); font-weight: 600; }

/* ============== 06 — USE CASES ============== */
.use-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.use-card {
  display: block;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--border-2);
  border-radius: 3px;
  transition: all .25s;
  position: relative;
  overflow: hidden;
}
.use-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--border-2);
  transition: all .3s;
}
.use-card:hover { transform: translateY(-3px); border-color: var(--border-3); }
.use-card:hover::before { background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.use-n { font-family: var(--f-m); font-size: 10px; color: var(--cyan); letter-spacing: 2px; }
.use-card h3 {
  font-family: var(--f-h); font-size: 20px; font-weight: 600;
  color: var(--white); margin: 6px 0 10px;
  letter-spacing: -0.2px;
}
.use-card p { color: var(--muted2); font-size: 13.5px; line-height: 1.55; }
.use-stat {
  display: block; margin-top: 16px; padding-top: 14px;
  border-top: 1px solid var(--border);
  font-family: var(--f-m); font-size: 10.5px;
  color: var(--cyan); letter-spacing: 0.5px;
}

/* ============== 07 — TRUST ============== */
.trust-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 24px;
  align-items: stretch;
}
.trust-counter {
  background: var(--panel);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  padding: 40px;
  display: flex; flex-direction: column; gap: 12px;
  position: relative; overflow: hidden;
}
.trust-counter::after {
  content: ''; position: absolute; right: -50%; top: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(0,229,255,0.08), transparent 50%);
  pointer-events: none;
}
.trust-counter-label {
  font-family: var(--f-m); font-size: 11px; letter-spacing: 2px;
  color: var(--muted2);
}
.trust-counter-num {
  font-family: var(--f-h); font-weight: 800;
  font-size: 88px; line-height: 1;
  color: var(--white);
  font-variant-numeric: tabular-nums;
  letter-spacing: -2px;
  text-shadow: 0 0 28px rgba(0, 229, 255, 0.3);
}
.trust-counter-sub {
  font-family: var(--f-m); font-size: 11px;
  color: var(--muted); line-height: 1.55;
}
.trust-counter-sub code {
  color: var(--cyan); background: rgba(0,0,0,0.4);
  padding: 2px 6px; border-radius: 2px; font-size: 11px;
}

.leaderboard {
  background: var(--panel); border: 1px solid var(--border-2);
  border-radius: 4px; padding: 24px 28px;
}
.lb-head {
  display: flex; justify-content: space-between;
  font-family: var(--f-m); font-size: 11px; letter-spacing: 1.5px;
  color: var(--muted2); margin-bottom: 18px;
}
.lb-head .dim { color: var(--muted); }
.lb-list { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.lb-list li {
  display: grid;
  grid-template-columns: 36px 1.4fr 1.4fr 56px 24px;
  gap: 14px; align-items: center;
  padding: 12px 6px;
  border-bottom: 1px solid var(--border);
  font-family: var(--f-m); font-size: 13px;
}
.lb-list li:last-child { border-bottom: 0; }
.lb-rank { color: var(--cyan); letter-spacing: 2px; font-size: 11px; }
.lb-name { color: var(--white); font-weight: 500; }
.lb-bar {
  display: block; width: 100%; height: 4px;
  background: rgba(255,255,255,0.06); border-radius: 2px; overflow: hidden;
}
.lb-bar i {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  box-shadow: 0 0 8px rgba(0,229,255,0.5);
}
.lb-score { color: var(--white); text-align: right; }
.lb-trend { font-size: 12px; text-align: center; }
.lb-trend.up { color: var(--green); }
.lb-trend.down { color: var(--red); }
.lb-trend.flat { color: var(--muted); }
.lb-cta {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--f-m); font-size: 11px; letter-spacing: 1px;
  color: var(--cyan);
  border-bottom: 1px solid var(--border-3);
  padding-bottom: 2px;
}

/* ============== 08 — TIERS ============== */
.tiers {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.tier {
  background: var(--panel);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  padding: 32px 28px;
  position: relative;
  transition: all .25s;
}
.tier:hover { transform: translateY(-3px); border-color: var(--border-3); }
.tier header { margin-bottom: 18px; position: relative; }
.tier-name {
  display: block;
  font-family: var(--f-m); font-size: 11px; letter-spacing: 3px;
  color: var(--cyan); margin-bottom: 12px;
}
.tier-price {
  display: block;
  font-family: var(--f-h); font-weight: 700;
  font-size: 48px; color: var(--white);
  line-height: 1;
}
.tier-per { font-size: 14px; color: var(--muted); margin-left: 4px; font-weight: 400; font-family: var(--f-m); }
.tier-badge {
  position: absolute; top: 0; right: 0;
  font-family: var(--f-m); font-size: 9px; letter-spacing: 2px;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 4px 8px; border-radius: 2px;
  background: rgba(255, 215, 0, 0.05);
}
.tier-feat {
  border-color: rgba(255, 215, 0, 0.3);
  background: linear-gradient(180deg, rgba(255, 215, 0, 0.02), var(--panel));
}
.tier-feat .tier-name { color: var(--gold); }
.tier ul { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.tier ul li {
  font-family: var(--f-b); font-size: 14px;
  color: var(--text);
  padding-left: 18px;
  position: relative;
}
.tier ul li::before {
  content: '+'; position: absolute; left: 0;
  color: var(--cyan); font-family: var(--f-m); font-weight: 700;
}
.tier-cta {
  display: block; text-align: center;
  font-family: var(--f-m); font-size: 11px; letter-spacing: 2px;
  padding: 12px;
  border: 1px solid var(--cyan);
  color: var(--cyan); border-radius: 2px;
  transition: all .2s;
}
.tier-cta:hover { background: rgba(0, 229, 255, 0.1); box-shadow: 0 0 18px rgba(0,229,255,0.25); }
.tier-feat .tier-cta { background: rgba(255, 215, 0, 0.04); border-color: var(--gold); color: var(--gold); }
.tier-feat .tier-cta:hover { background: rgba(255, 215, 0, 0.1); box-shadow: 0 0 18px rgba(255,215,0,0.25); }
.tier-foot {
  margin-top: 24px; text-align: center;
  font-family: var(--f-m); font-size: 12px; color: var(--muted2);
}
.tier-foot a { color: var(--cyan); border-bottom: 1px solid var(--border-3); padding-bottom: 1px; }

/* ============== 09 — DEVELOPERS ============== */
.dev-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.terminal-sm .term-body { font-size: 12px; padding: 18px 20px; line-height: 1.65; }
.dev-paths {
  list-style: none;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
  margin-top: 24px;
}
.dev-paths li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px;
  background: var(--panel);
  border: 1px solid var(--border-2);
  border-radius: 2px;
  font-family: var(--f-m); font-size: 12px;
  transition: all .2s;
}
.dev-paths li:hover { border-color: var(--border-3); }
.dev-paths span { color: var(--white); letter-spacing: 0.5px; }
.dev-paths a { color: var(--cyan); font-size: 11px; letter-spacing: 1px; }

/* ============== 10 — CTA ============== */
.band-cta {
  text-align: center;
  padding: 140px 64px;
  position: relative;
}
.cta-rings {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  pointer-events: none;
  width: 600px; height: 600px;
}
.cta-rings span {
  position: absolute; inset: 0;
  border: 1px solid var(--border-3);
  border-radius: 50%;
  animation: ring 4s ease-out infinite;
  opacity: 0;
}
.cta-rings span:nth-child(2) { animation-delay: 1.3s; }
.cta-rings span:nth-child(3) { animation-delay: 2.6s; }
@keyframes ring {
  0%   { transform: scale(0.3); opacity: 0.8; border-color: var(--cyan); }
  100% { transform: scale(1.4); opacity: 0; border-color: rgba(0, 229, 255, 0); }
}
.cta-title {
  font-family: var(--f-h); font-weight: 700;
  font-size: clamp(36px, 4.6vw, 72px); line-height: 1.05;
  color: var(--white); letter-spacing: -1px;
  margin-bottom: 36px;
  position: relative; z-index: 1;
  text-wrap: balance;
}
.cta-button {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--f-m); font-weight: 600;
  font-size: 13px; letter-spacing: 3px;
  padding: 18px 36px;
  color: var(--bg);
  background: var(--cyan);
  border-radius: 2px;
  position: relative; z-index: 1;
  box-shadow: 0 0 32px rgba(0,229,255,0.4), 0 0 0 1px rgba(0,229,255,0.6);
  transition: all .25s;
}
.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 48px rgba(0,229,255,0.6), 0 0 0 1px var(--cyan);
}
.cta-arr { transition: transform .25s; }
.cta-button:hover .cta-arr { transform: translateX(4px); }
.cta-foot {
  margin-top: 22px;
  font-family: var(--f-m); font-size: 12px; color: var(--muted2);
  position: relative; z-index: 1;
}

/* ============== FOOTER ============== */
.footer {
  position: relative; z-index: 2;
  padding: 72px 64px 32px;
  border-top: 1px solid var(--border);
  background: rgba(2, 4, 10, 0.6);
}
.footer-grid {
  max-width: 1480px; margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer-brand p { font-family: var(--f-m); font-size: 12px; color: var(--muted2); line-height: 1.6; margin-top: 16px; }
.footer-grid > div { display: flex; flex-direction: column; gap: 8px; }
.foot-h {
  font-family: var(--f-m); font-size: 10px; letter-spacing: 2px;
  color: var(--cyan); margin-bottom: 6px;
}
.footer-grid > div a {
  font-family: var(--f-m); font-size: 12px;
  color: var(--muted2); transition: color .2s;
  letter-spacing: 0.3px;
}
.footer-grid > div a:hover { color: var(--white); }
.footer-bar {
  max-width: 1480px; margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between;
  font-family: var(--f-m); font-size: 11px;
  color: var(--muted); letter-spacing: 1px;
}

/* ============== COMPANION ============== */
.companion {
  position: fixed; bottom: 28px; right: 28px;
  z-index: 100;
}
.companion-orb {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(4, 6, 12, 0.85);
  border: 1px solid var(--border-3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.2), 0 8px 32px rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  transition: all .3s;
}
.companion-orb:hover { transform: scale(1.05); border-color: var(--cyan); box-shadow: 0 0 40px rgba(0,229,255,0.35); }
#orb-canvas { width: 60px; height: 60px; display: block; }

.companion-bubble {
  position: absolute;
  bottom: 72px; right: 0;
  width: 320px;
  padding: 14px 18px 16px;
  background: var(--panel);
  border: 1px solid var(--border-3);
  border-radius: 4px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  font-family: var(--f-b);
  font-size: 14px;
  color: var(--text);
  line-height: 1.5;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), 0 0 24px rgba(0,229,255,0.15);
  animation: bubbleIn .4s ease-out;
}
.companion-bubble[hidden] { display: none; }
@keyframes bubbleIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.companion-bubble small {
  display: block;
  font-family: var(--f-m); font-size: 10px; letter-spacing: 1.5px;
  color: var(--cyan); margin-bottom: 6px;
}
.companion-bubble::after {
  content: ''; position: absolute; bottom: -6px; right: 22px;
  width: 12px; height: 12px;
  background: var(--panel);
  border-right: 1px solid var(--border-3);
  border-bottom: 1px solid var(--border-3);
  transform: rotate(45deg);
}

.companion-panel {
  position: absolute;
  bottom: 72px; right: 0;
  width: 380px;
  max-height: 540px;
  background: var(--panel);
  border: 1px solid var(--border-3);
  border-radius: 4px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6), 0 0 32px rgba(0,229,255,0.1);
  animation: bubbleIn .25s ease-out;
}
.companion-panel[hidden] { display: none; }
.companion-panel > header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-2);
}
.cp-name {
  font-family: var(--f-m); font-size: 11px; letter-spacing: 2px;
  color: var(--cyan);
}
.cp-x { font-size: 22px; color: var(--muted); width: 24px; }
.cp-x:hover { color: var(--white); }
.cp-stream {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 12px;
  font-size: 13.5px; line-height: 1.55;
  max-height: 320px;
}
.cp-stream::-webkit-scrollbar { width: 4px; }
.cp-stream::-webkit-scrollbar-thumb { background: var(--border-3); border-radius: 2px; }
.cp-msg { padding: 10px 12px; border-radius: 3px; max-width: 90%; }
.cp-msg.bot {
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text);
  align-self: flex-start;
}
.cp-msg.bot small { display: block; font-family: var(--f-m); font-size: 10px; color: var(--cyan); letter-spacing: 1.5px; margin-bottom: 4px; }
.cp-msg.user {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  align-self: flex-end;
  border: 1px solid var(--border);
}
.cp-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 18px 12px; }
.cp-chip {
  font-family: var(--f-m); font-size: 10.5px;
  padding: 6px 10px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-2);
  border-radius: 2px;
  color: var(--muted2);
  letter-spacing: 0.5px;
  transition: all .2s;
}
.cp-chip:hover { color: var(--cyan); border-color: var(--border-3); }
.cp-input {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 12px;
  border-top: 1px solid var(--border-2);
}
.cp-input input {
  flex: 1;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border-2);
  border-radius: 2px;
  padding: 9px 12px;
  font-family: var(--f-b);
  font-size: 13px;
  color: var(--text);
  outline: none;
}
.cp-input input:focus { border-color: var(--border-3); }
.cp-input input::placeholder { color: var(--muted); }
.cp-mic, .cp-send {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan);
  border: 1px solid var(--border-2);
  border-radius: 2px;
  transition: all .2s;
}
.cp-mic:hover, .cp-send:hover { border-color: var(--cyan); background: rgba(0,229,255,0.08); }
.cp-mic.active { background: var(--red); border-color: var(--red); color: var(--white); }
.cp-foot {
  display: flex; justify-content: space-between;
  padding: 10px 16px;
  border-top: 1px solid var(--border-2);
  font-family: var(--f-m); font-size: 10px; color: var(--muted);
  letter-spacing: 1px;
}
.cp-tog { display: inline-flex; align-items: center; gap: 6px; cursor: crosshair; }
.cp-tog input { accent-color: var(--cyan); }

/* ============== VERIFY MODE ============== */
body.verify-mode p[data-verified] {
  position: relative;
  padding-left: 18px;
}
body.verify-mode p[data-verified]::before {
  content: '';
  position: absolute; left: 0; top: 0.6em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
}
body.verify-mode p[data-verified]::after {
  content: attr(data-verified);
  position: absolute; left: 0; top: 1.6em;
  font-family: var(--f-m); font-size: 9px;
  color: var(--green); letter-spacing: 1px;
}
/* mid confidence styling */
body.verify-mode p[data-verified="0.91"]::before,
body.verify-mode p[data-verified="0.78"]::before {
  background: var(--amber); box-shadow: 0 0 6px var(--amber);
}
body.verify-mode p[data-verified="0.91"]::after,
body.verify-mode p[data-verified="0.78"]::after { color: var(--amber); }

body.verify-mode {
  background: var(--bg);
}
body.verify-mode::before {
  content: 'VERIFIED MODE ACTIVE';
  position: fixed; top: 78px; left: 50%; transform: translateX(-50%);
  z-index: 49;
  font-family: var(--f-m); font-size: 10px; letter-spacing: 2px;
  color: var(--cyan); padding: 4px 12px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid var(--border-3);
  border-radius: 2px;
  pointer-events: none;
}

/* ============== ADAPTIVE BADGES ============== */
body[data-audience="developer"] .demo-doc .doc-title::before  { content: 'auth-handler.py — '; color: var(--muted); }
body[data-audience="legal"]     .demo-doc .doc-title::before  { content: 'msa-§4.2.txt — '; color: var(--muted); }
body[data-audience="enterprise"].demo-doc .doc-title::before  { content: 'compliance-policy.md — '; color: var(--muted); }

/* ============== RESPONSIVE ============== */
@media (max-width: 1100px) {
  .demo { grid-template-columns: 1fr; }
  .three-up, .use-grid, .tiers, .dev-grid, .dev-paths { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .trust-grid, .conf-explain { grid-template-columns: 1fr; }
  .flow { flex-wrap: wrap; }
  .flow-arrow { transform: rotate(90deg); }
}
@media (max-width: 720px) {
  .nav { padding: 0 16px; gap: 12px; }
  .nav-links { display: none; }
  .nav-ghost span:not(.dot) { display: none; }
  .hero, .band { padding-left: 20px; padding-right: 20px; }
  .three-up, .use-grid, .tiers, .dev-grid, .dev-paths { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .conf-grid { grid-template-columns: repeat(2, 1fr); }
  .companion-panel { width: calc(100vw - 56px); }
}

/* ============== REVEAL ============== */
[data-reveal] {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
[data-reveal].in { opacity: 1; transform: translateY(0); }