/* ============================================================
   Gray Space Parallel — site styles
   Dark tactical theme. Accent language matches the GSP UI:
   cyan = peering/primary, amber = impaired/edge, indigo = satcom.
   ============================================================ */

:root {
  --bg: #05080f;
  --bg-2: #070c16;
  --panel: #0a1220;
  --panel-2: #0d1626;
  --line: rgba(148, 163, 184, 0.14);
  --line-strong: rgba(148, 163, 184, 0.28);
  --text: #e7edf6;
  --muted: #94a3b8;
  --dim: #64748b;
  --cyan: #22d3ee;
  --cyan-dim: rgba(34, 211, 238, 0.14);
  --amber: #fbbf24;
  --amber-dim: rgba(251, 191, 36, 0.12);
  --indigo: #818cf8;
  --indigo-dim: rgba(129, 140, 248, 0.14);
  --green: #34d399;
  --red: #f87171;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --maxw: 1180px;
  --radius: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(34, 211, 238, 0.25); }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- top navigation ---------- */

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(5, 8, 15, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 8px 28px;
  display: flex; align-items: center; gap: 34px;
  /* let the link row drop below the logo instead of clipping off-screen when narrow */
  flex-wrap: wrap; row-gap: 6px;
}
.brand {
  display: flex; align-items: center; gap: 11px;
  font-weight: 700; letter-spacing: 0.02em; color: var(--text);
  font-size: 16px; white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand svg { display: block; }
.brand img.logo-h {
  height: 104px; display: block;
  filter: brightness(1.18) drop-shadow(0 0 10px rgba(148, 163, 184, 0.22));
}
.brand img.logo-f {
  height: 46px; display: block; opacity: 0.95;
  filter: brightness(1.18);
}
.nav-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px; row-gap: 2px; margin-left: auto; align-items: center; }
.nav-links a {
  color: var(--muted); font-size: 14.5px; font-weight: 500;
  padding: 8px 13px; border-radius: 8px; transition: color .15s, background .15s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text); background: rgba(148,163,184,0.08); text-decoration: none; }
.nav-links a.active { color: var(--cyan); }
.nav-links a.nav-cta {
  color: #04141a; background: var(--cyan); font-weight: 600; margin-left: 10px;
}
.nav-links a.nav-cta:hover { background: #67e8f9; color: #04141a; }

.nav-burger { display: none; }

/* ---------- hero ---------- */

.hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column;
  overflow: hidden;
}
#globe-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  display: block;
}
.hero-fade {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5,8,15,0.55) 0%, rgba(5,8,15,0.10) 30%, rgba(5,8,15,0.12) 62%, var(--bg) 96%),
    radial-gradient(ellipse 90% 70% at 28% 46%, rgba(5,8,15,0) 40%, rgba(5,8,15,0.35) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: var(--maxw); margin: auto; padding: 180px 28px 60px;
  width: 100%;
}
.hero-box { max-width: 640px; }

.kicker {
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--cyan);
  display: flex; align-items: center; gap: 10px; margin-bottom: 22px;
}
.kicker::before {
  content: ""; width: 26px; height: 1px; background: var(--cyan); display: inline-block;
}

h1 {
  font-size: clamp(38px, 5.4vw, 62px);
  line-height: 1.06; font-weight: 800; letter-spacing: -0.025em;
  margin-bottom: 24px;
}
h1 .h-accent { color: var(--cyan); }

.hero-sub {
  font-size: 19px; color: var(--muted); line-height: 1.6;
  margin-bottom: 36px; max-width: 560px;
}
.hero-sub strong { color: var(--text); font-weight: 600; }

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 24px; border-radius: 9px;
  font-size: 15.5px; font-weight: 600; letter-spacing: 0.01em;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .12s, background .15s, border-color .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--cyan); color: #04141a; }
.btn-primary:hover { background: #67e8f9; }
.btn-ghost {
  background: rgba(148,163,184,0.06); color: var(--text);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: rgba(148,163,184,0.5); background: rgba(148,163,184,0.10); }

.hero-legend {
  position: absolute; z-index: 2; right: 32px; top: 150px;
  font-family: var(--mono); font-size: 11px; color: var(--dim);
  display: grid; gap: 7px; letter-spacing: 0.06em;
}
.hero-legend span { display: flex; align-items: center; gap: 9px; }
.hero-legend i {
  width: 18px; height: 2px; border-radius: 2px; display: inline-block;
}

.scroll-hint {
  position: absolute; z-index: 2; left: 50%; bottom: 26px; transform: translateX(-50%);
  color: var(--dim); font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; animation: hint-bob 2.6s ease-in-out infinite;
}
@keyframes hint-bob { 0%,100% { transform: translate(-50%,0);} 50% { transform: translate(-50%,6px);} }

/* ---------- stat strip ---------- */

.stat-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); }
/* stat strip floating over the hero globe */
.hero .stat-strip {
  position: relative; z-index: 2;
  background: rgba(7, 12, 22, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: none;
}
.stat-grid {
  max-width: var(--maxw); margin: 0 auto; padding: 0 28px;
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 30px 26px; border-left: 1px solid var(--line);
}
.stat:first-child { border-left: none; }
.stat b {
  display: block; font-size: 30px; font-weight: 800; letter-spacing: -0.02em;
  color: var(--text); font-variant-numeric: tabular-nums;
}
.stat b em { font-style: normal; color: var(--cyan); }
.stat span { font-size: 13.5px; color: var(--muted); line-height: 1.45; display: block; margin-top: 5px; }

/* ---------- sections ---------- */

section.block { padding: 96px 0; }
section.block.tight { padding: 72px 0; }
section.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.sec-head { max-width: 720px; margin-bottom: 52px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head.center .kicker { justify-content: center; }
.sec-head.center .kicker::before { display: none; }

h2 {
  font-size: clamp(28px, 3.4vw, 40px); font-weight: 800;
  letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 16px;
}
h3 { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }

.lede { font-size: 17.5px; color: var(--muted); }
.lede strong { color: var(--text); }

/* ---------- cards ---------- */

.grid { display: grid; gap: 18px; }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 24px;
  transition: border-color .2s, transform .2s;
  position: relative; overflow: hidden;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.card .icon {
  width: 40px; height: 40px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px; background: var(--cyan-dim); color: var(--cyan);
}
.card .icon.amber { background: var(--amber-dim); color: var(--amber); }
.card .icon.indigo { background: var(--indigo-dim); color: var(--indigo); }
.card h3 { margin-bottom: 9px; }
.card p { font-size: 14.8px; color: var(--muted); }
.card p code { color: var(--text); }
.card .tag {
  position: absolute; top: 20px; right: 20px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dim);
}

/* mission cards */
.card.mission { padding: 30px 28px; }
.card.mission .m-num {
  font-family: var(--mono); font-size: 12px; color: var(--cyan);
  letter-spacing: 0.14em; margin-bottom: 14px; display: block;
}
.card.mission ul { margin: 14px 0 0; padding-left: 18px; }
.card.mission li { font-size: 14.5px; color: var(--muted); margin-bottom: 6px; }

/* ---------- split rows ---------- */

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split .kicker { margin-bottom: 14px; }
.split h2 { font-size: clamp(24px, 2.8vw, 32px); }
.split p { color: var(--muted); margin-bottom: 14px; font-size: 15.5px; }
.split p strong { color: var(--text); }

/* ---------- code / terminal ---------- */

.term {
  background: #060a12; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  font-family: var(--mono); font-size: 13.5px;
  box-shadow: 0 24px 60px -30px rgba(0,0,0,0.8);
}
.term-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 16px; border-bottom: 1px solid var(--line);
  background: rgba(148,163,184,0.04);
}
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: rgba(148,163,184,0.22); }
.term-bar span { margin-left: 8px; font-size: 11.5px; color: var(--dim); letter-spacing: 0.08em; }
.term pre {
  padding: 18px 20px; overflow-x: auto; line-height: 1.75; color: #c3cede;
}
.term .p { color: var(--cyan); }
.term .c { color: var(--dim); }
.term .g { color: var(--green); }
.term .y { color: var(--amber); }
.term .k { color: var(--indigo); }

code {
  font-family: var(--mono); font-size: 0.88em;
  background: rgba(148,163,184,0.10); border-radius: 5px; padding: 2px 6px;
}

/* ---------- layer stack diagram ---------- */

.layers { display: grid; gap: 10px; counter-reset: layer; }
.layer {
  display: grid; grid-template-columns: 190px 1fr; gap: 24px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 26px;
  align-items: center; position: relative;
  transition: border-color .2s;
}
.layer:hover { border-color: var(--line-strong); }
.layer .l-cmd {
  font-family: var(--mono); font-size: 14px; font-weight: 600; color: var(--cyan);
  white-space: nowrap;
}
.layer .l-cmd small { display: block; font-weight: 400; color: var(--dim); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 4px; }
.layer p { font-size: 14.5px; color: var(--muted); }
.layer p strong { color: var(--text); }
.layer::before {
  counter-increment: layer; content: counter(layer, decimal-leading-zero);
  position: absolute; top: 14px; right: 18px;
  font-family: var(--mono); font-size: 11px; color: var(--dim); letter-spacing: 0.1em;
}

/* ---------- inline diagrams ---------- */

.diagram {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 34px 28px; text-align: center;
  overflow-x: auto;
}
.diagram svg { max-width: 100%; height: auto; }
.diagram-caption { font-size: 13px; color: var(--dim); margin-top: 14px; font-family: var(--mono); letter-spacing: 0.04em; }

/* ---------- tables ---------- */

.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; background: var(--panel); }
.tbl th {
  text-align: left; font-family: var(--mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--dim);
  padding: 14px 18px; border-bottom: 1px solid var(--line-strong);
  background: rgba(148,163,184,0.04); white-space: nowrap;
}
.tbl td { padding: 13px 18px; border-bottom: 1px solid var(--line); color: var(--muted); vertical-align: top; }
.tbl tr:last-child td { border-bottom: none; }
.tbl td:first-child { color: var(--text); font-weight: 600; white-space: nowrap; }
.tbl td code { white-space: nowrap; }
.pill {
  display: inline-block; font-family: var(--mono); font-size: 11px;
  padding: 3px 9px; border-radius: 99px; letter-spacing: 0.05em;
}
.pill.cyan { background: var(--cyan-dim); color: var(--cyan); }
.pill.amber { background: var(--amber-dim); color: var(--amber); }
.pill.indigo { background: var(--indigo-dim); color: var(--indigo); }
.pill.green { background: rgba(52,211,153,0.12); color: var(--green); }

/* ---------- page hero (interior pages) ---------- */

.page-hero {
  padding: 210px 0 64px;
  background:
    radial-gradient(ellipse 60% 55% at 68% -10%, rgba(34,211,238,0.09), transparent 65%),
    radial-gradient(ellipse 45% 45% at 18% 0%, rgba(129,140,248,0.07), transparent 60%);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: clamp(34px, 4.4vw, 52px); margin-bottom: 18px; }
.page-hero .lede { max-width: 700px; font-size: 18px; }

/* stacked logo accent on interior page heroes */
.page-hero .hero-logo {
  position: absolute; right: 28px; top: -18px;
  height: 180px; opacity: 0.9; pointer-events: none;
  filter: drop-shadow(0 0 24px rgba(34, 211, 238, 0.12));
}
@media (max-width: 980px) { .page-hero .hero-logo { display: none; } }

/* ---------- demo playground ---------- */

.demo-panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.demo-head {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 22px; border-bottom: 1px solid var(--line);
  background: rgba(148,163,184,0.04); flex-wrap: wrap;
}
.demo-head h3 { font-size: 16px; }
.demo-head .status {
  font-family: var(--mono); font-size: 12px; color: var(--green);
  display: flex; align-items: center; gap: 8px;
}
.demo-head .status i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  animation: blink 1.8s ease-in-out infinite;
}
@keyframes blink { 0%,100% {opacity:1;} 50% {opacity:0.35;} }

.demo-body { display: grid; grid-template-columns: 300px 1fr; }
.demo-controls { padding: 22px; border-right: 1px solid var(--line); }
.demo-stage { position: relative; min-height: 420px; }
#link-canvas { display: block; width: 100%; height: 100%; position: absolute; inset: 0; }

.profile-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 22px; }
.chip {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.03em;
  padding: 6px 11px; border-radius: 7px; cursor: pointer;
  background: rgba(148,163,184,0.07); color: var(--muted);
  border: 1px solid var(--line); transition: all .15s;
}
.chip:hover { color: var(--text); border-color: var(--line-strong); }
.chip.active { background: var(--cyan-dim); color: var(--cyan); border-color: rgba(34,211,238,0.45); }
.chip.dynamic.active { background: var(--indigo-dim); color: var(--indigo); border-color: rgba(129,140,248,0.5); }

.ctl { margin-bottom: 18px; }
.ctl label {
  display: flex; justify-content: space-between; font-family: var(--mono);
  font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--dim); margin-bottom: 8px;
}
.ctl label output { color: var(--cyan); text-transform: none; letter-spacing: 0.02em; }
input[type="range"] {
  width: 100%; appearance: none; -webkit-appearance: none; height: 4px;
  background: rgba(148,163,184,0.18); border-radius: 4px; outline: none; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none; -webkit-appearance: none; width: 15px; height: 15px; border-radius: 50%;
  background: var(--cyan); border: 3px solid #06121a; box-shadow: 0 0 0 1px rgba(34,211,238,0.5);
}
input[type="range"]::-moz-range-thumb {
  width: 12px; height: 12px; border-radius: 50%; background: var(--cyan); border: none;
}

.demo-readout {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); background: rgba(148,163,184,0.03);
}
.demo-readout .ro { padding: 14px 20px; border-left: 1px solid var(--line); }
.demo-readout .ro:first-child { border-left: none; }
.demo-readout b { font-family: var(--mono); font-size: 19px; font-weight: 600; display: block; color: var(--text); font-variant-numeric: tabular-nums; }
.demo-readout b.warn { color: var(--amber); }
.demo-readout b.bad { color: var(--red); }
.demo-readout span { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); }

.event-log {
  font-family: var(--mono); font-size: 11px; color: var(--dim);
  padding: 8px 22px 12px; min-height: 30px; letter-spacing: 0.02em;
}
.event-log .ev-warn { color: var(--amber); }

/* packet journey */
.journey { position: relative; }
#journey-canvas { display: block; width: 100%; height: 300px; }
.journey-caption {
  min-height: 84px; padding: 18px 24px; border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 18px;
}
.journey-caption .jc-stage {
  font-family: var(--mono); font-size: 11px; color: var(--cyan);
  letter-spacing: 0.14em; text-transform: uppercase; white-space: nowrap;
}
.journey-caption p { font-size: 14px; color: var(--muted); }
.journey-nav { display: flex; gap: 10px; padding: 0 24px 20px; }
.journey-nav .btn { padding: 9px 18px; font-size: 13.5px; }

/* video placeholders */
.video-slot {
  aspect-ratio: 16/9; border-radius: var(--radius);
  border: 1px dashed var(--line-strong); background: var(--panel);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; color: var(--dim); transition: border-color .2s;
}
.video-slot:hover { border-color: rgba(148,163,184,0.5); }
.video-slot .vp-play {
  width: 58px; height: 58px; border-radius: 50%;
  border: 1.5px solid var(--line-strong); display: flex; align-items: center; justify-content: center;
  color: var(--muted);
}
.video-slot b { color: var(--muted); font-size: 15px; font-weight: 600; }
.video-slot span { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }

/* ---------- contact ---------- */

.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label {
  display: block; font-family: var(--mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--dim); margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%; background: var(--panel); border: 1px solid var(--line-strong);
  border-radius: 9px; padding: 12px 14px; color: var(--text);
  font-family: var(--sans); font-size: 15px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34,211,238,0.12);
}
.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 13px; color: var(--dim); }

.contact-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; margin-bottom: 16px;
}
.contact-card h3 { margin-bottom: 8px; font-size: 17px; }
.contact-card p { font-size: 14.5px; color: var(--muted); }
.contact-card .mono-line { font-family: var(--mono); font-size: 14px; color: var(--cyan); margin-top: 10px; display: block; }

/* ---------- CTA band ---------- */

.cta-band {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse 55% 90% at 50% 120%, rgba(34,211,238,0.13), transparent 70%),
    var(--bg-2);
  padding: 88px 0; text-align: center;
}
.cta-band h2 { margin-bottom: 14px; }
.cta-band p { color: var(--muted); max-width: 560px; margin: 0 auto 32px; }
.cta-band .cta-row { justify-content: center; }

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--line); background: var(--bg);
  padding: 52px 0 40px;
}
.foot-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.foot-brand p { font-size: 13.5px; color: var(--dim); max-width: 320px; margin-top: 12px; }
.foot-links { display: flex; gap: 64px; }
.foot-links h4 {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--dim); margin-bottom: 14px; font-weight: 600;
}
.foot-links a { display: block; color: var(--muted); font-size: 14px; margin-bottom: 9px; }
.foot-links a:hover { color: var(--text); text-decoration: none; }
.foot-bottom {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 11px; color: var(--dim); letter-spacing: 0.06em;
}

/* ---------- reveal animation ---------- */

.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.rv.in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .08s; } .rv-d2 { transition-delay: .16s; } .rv-d3 { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  .scroll-hint { animation: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 980px) {
  .grid.c3 { grid-template-columns: 1fr 1fr; }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: none; }
  .stat { border-top: 1px solid var(--line); }
  .stat:nth-child(-n+2) { border-top: none; }
  .demo-body { grid-template-columns: 1fr; }
  .demo-controls { border-right: none; border-bottom: 1px solid var(--line); }
  .hero-legend { display: none; }
}

@media (max-width: 700px) {
  .grid.c2, .grid.c3 { grid-template-columns: 1fr; }
  .nav-links a:not(.nav-cta) { display: none; }
  .brand img.logo-h { height: 76px; }
  .hero-content { padding-top: 150px; }
  .page-hero { padding-top: 175px; }
  .layer { grid-template-columns: 1fr; gap: 8px; }
  .form-row { grid-template-columns: 1fr; }
  .demo-readout { grid-template-columns: 1fr 1fr; }
  .demo-readout .ro { border-top: 1px solid var(--line); }
  .demo-readout .ro:nth-child(-n+2) { border-top: none; }
  .demo-readout .ro:nth-child(3) { border-left: none; }
}