/* ============================================================
   Envoir — marketing site
   Design system: "instrument panel meets sovereign tech"
   Dark-primary, theme-aware via manual toggle (data-theme attr).
   Three-typeface system: serif for editorial voice, sans for UI,
   mono for keys / protocol data — never mixed arbitrarily.
   ============================================================ */

:root {
  color-scheme: dark;

  /* type */
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", "Fira Code", Menlo, Consolas, "Liberation Mono", monospace;

  /* dark palette (primary) */
  --bg-0: #0a0c11;
  --bg-1: #0e1118;
  --bg-2: #12151d;
  --bg-panel: #12141b;
  --line: rgba(238, 241, 247, 0.09);
  --line-strong: rgba(238, 241, 247, 0.16);
  --ink: #eef1f7;
  --ink-dim: #a5adc0;
  --ink-faint: #656d80;
  /* Aurora Indigo — brand/README.md: Indigo -> Violet gradient, teal as the one
     sparing accent (unread/new, verified/success). See also assets/logo-mark.svg. */
  --accent-1: #4c4dff;
  --accent-2: #9a4dff;
  --accent-teal: #00e0c7;
  --accent-soft: rgba(124, 77, 255, 0.14);
  /* Lightened accent-1 used only for small text on dark backgrounds (eyebrow
     tags etc.) — plain --accent-1 fails WCAG AA at these sizes/backgrounds. */
  --accent-1-aa: #7374ff;
  --good: #00e0c7;
  --warn: #ffcf7d;
  --shadow-lg: 0 30px 80px -30px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 0 1px rgba(124, 77, 255, 0.25), 0 0 40px -8px rgba(76, 77, 255, 0.35);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --container: 1180px;
  --gutter: clamp(20px, 5vw, 64px);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg-0: #f4f2ee;
  --bg-1: #ffffff;
  --bg-2: #ebe8e1;
  --bg-panel: #ffffff;
  --line: rgba(20, 20, 25, 0.1);
  --line-strong: rgba(20, 20, 25, 0.18);
  --ink: #14151a;
  --ink-dim: #4c5266;
  --ink-faint: #82889b;
  /* Deepened versus the dark-theme hues so text, links, and icon labels set
     in these colors keep real contrast on a white/cream ground (WCAG AA,
     ≥4.5:1) — the dark-theme values are tuned for a near-black background
     and fall far short once the page flips to light. Same Indigo/Violet/teal
     hues as the dark palette, just darkened to hold contrast on white. */
  --accent-1: #4038c9;
  --accent-2: #7a35c9;
  --accent-teal: #067a68;
  --good: #067a68;
  --warn: #8f5200;
  --accent-soft: rgba(76, 77, 255, 0.1);
  /* Already >=4.5:1 on this theme's light backgrounds — just alias it. */
  --accent-1-aa: var(--accent-1);
  --shadow-lg: 0 30px 80px -30px rgba(20, 20, 30, 0.22);
  --shadow-glow: 0 0 0 1px rgba(124, 92, 255, 0.22), 0 0 40px -10px rgba(91, 157, 255, 0.3);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(91, 157, 255, 0.08), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 0%, rgba(124, 92, 255, 0.07), transparent 55%),
    var(--bg-0);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* faint dot-grid instrument texture, fixed so it doesn't scroll-jitter */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(rgba(238, 241, 247, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  mix-blend-mode: overlay;
}
:root[data-theme="light"] body::before {
  background-image: radial-gradient(rgba(20, 20, 25, 0.06) 1px, transparent 1px);
}

a { color: inherit; }
img, svg { display: block; max-width: 100%; }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  position: relative;
  z-index: 1;
}

::selection { background: var(--accent-2); color: #fff; }

/* ---------- eyebrow / section furniture ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1.1rem;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
}
.eyebrow .tag {
  color: var(--accent-1);
  filter: saturate(1.1);
}

h1, h2, h3 { font-family: var(--font-serif); font-weight: 500; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.8rem, 1.1rem + 2.4vw, 2.7rem); line-height: 1.12; letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; line-height: 1.3; }
p { margin: 0; }
.lede {
  font-size: clamp(1.02rem, 0.95rem + 0.3vw, 1.18rem);
  color: var(--ink-dim);
  max-width: 62ch;
  line-height: 1.65;
}

.mono { font-family: var(--font-mono); }

section { position: relative; z-index: 1; padding: clamp(64px, 10vw, 116px) 0; }
section + section { border-top: 1px solid var(--line); }

.section-head { margin-bottom: clamp(32px, 5vw, 56px); max-width: 780px; }
.section-head h2 { margin-bottom: 0.9rem; }

/* ---------- corner-bracket panel: the recurring HUD motif ---------- */
.panel {
  position: relative;
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-1));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: clamp(20px, 3vw, 32px);
}
.panel::before, .panel::after,
.panel .br-tl, .panel .br-br { display: none; } /* fallback safety, overridden below */
.bracketed { position: relative; }
.bracketed::before, .bracketed::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--accent-1);
  opacity: 0.75;
  pointer-events: none;
}
.bracketed::before { top: -1px; left: -1px; border-top: 2px solid; border-left: 2px solid; border-color: var(--accent-1); }
.bracketed::after { bottom: -1px; right: -1px; border-bottom: 2px solid; border-right: 2px solid; border-color: var(--accent-2); }

/* ---------- reading-progress bar ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 60;
  pointer-events: none;
  background: transparent;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  box-shadow: 0 0 12px -2px var(--accent-2);
  will-change: transform;
}

/* ---------- nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  background: color-mix(in srgb, var(--bg-0) 78%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 1.02rem; text-decoration: none; }
.brand svg { width: 30px; height: 30px; flex: none; }
.brand .word { font-family: var(--font-sans); letter-spacing: -0.01em; }

.nav-links {
  display: none;
  align-items: center;
  gap: 26px;
  margin-left: 8px;
  font-size: 0.88rem;
  color: var(--ink-dim);
}
@media (min-width: 860px) { .nav-links { display: flex; } }
.nav-links a { text-decoration: none; position: relative; padding: 4px 0; transition: color 0.2s ease; }
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -2px; height: 1.5px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  transition: right 0.25s var(--ease-out);
}
.nav-links a:hover::after { right: 0; }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after { right: 0; }

.nav-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

/* ---------- mobile menu ---------- */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  cursor: pointer;
  padding: 0;
  color: var(--ink);
}
.nav-toggle-bars { position: relative; width: 18px; height: 12px; display: block; }
.nav-toggle-bars span {
  position: absolute; left: 0; right: 0; height: 2px; border-radius: 2px;
  background: currentColor;
  transition: transform 0.28s var(--ease-out), opacity 0.2s ease, top 0.28s var(--ease-out);
}
.nav-toggle-bars span:nth-child(1) { top: 0; }
.nav-toggle-bars span:nth-child(2) { top: 5px; }
.nav-toggle-bars span:nth-child(3) { top: 10px; }
.site-nav.nav-open .nav-toggle-bars span:nth-child(1) { top: 5px; transform: rotate(45deg); }
.site-nav.nav-open .nav-toggle-bars span:nth-child(2) { opacity: 0; }
.site-nav.nav-open .nav-toggle-bars span:nth-child(3) { top: 5px; transform: rotate(-45deg); }
@media (min-width: 860px) { .nav-toggle { display: none; } }

.mobile-menu {
  border-top: 1px solid var(--line);
  padding: 12px var(--gutter) 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: color-mix(in srgb, var(--bg-0) 92%, transparent);
}
.mobile-menu[hidden] { display: none; }
.mobile-menu nav { display: flex; flex-direction: column; }
.mobile-menu nav a {
  text-decoration: none;
  color: var(--ink-dim);
  font-size: 1rem;
  padding: 12px 6px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
}
.mobile-menu nav a::after { content: "→"; font-family: var(--font-mono); color: var(--ink-faint); opacity: 0.6; }
.mobile-menu nav a:hover, .mobile-menu nav a.active { color: var(--ink); }
.mobile-menu .btn { margin-top: 14px; justify-content: center; }
@media (min-width: 860px) { .mobile-menu { display: none !important; } }

/* theme toggle styled as a physical rocker switch */
.switch {
  --w: 46px; --h: 24px;
  width: var(--w); height: var(--h);
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--bg-2);
  position: relative;
  cursor: pointer;
  flex: none;
  padding: 0;
  appearance: none;
}
.switch::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: calc(var(--h) - 6px); height: calc(var(--h) - 6px);
  border-radius: 50%;
  background: linear-gradient(160deg, var(--accent-1), var(--accent-2));
  transition: transform 0.28s var(--ease-out);
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}
:root[data-theme="light"] .switch::after { transform: translateX(21px); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.65em 1.15em;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s var(--ease-out), box-shadow 0.18s var(--ease-out), border-color 0.18s ease, background 0.18s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  box-shadow: 0 6px 24px -8px rgba(124, 92, 255, 0.55);
}
.btn-primary:hover { box-shadow: 0 10px 30px -6px rgba(124, 92, 255, 0.7); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--accent-1); background: var(--accent-soft); }
.btn-mono {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}
.nav-cta { display: none; }
@media (min-width: 860px) { .nav-cta { display: inline-flex; } }

/* ---------- hero ---------- */
.hero { padding-top: clamp(56px, 8vw, 96px); overflow: clip; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 980px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 40px; }
}

.hero-copy h1 {
  font-size: clamp(2.5rem, 1.7rem + 3.6vw, 4.3rem);
  line-height: 1.05;
  margin: 0 0 1.3rem;
  max-width: 15ch;
}
.hero-copy h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-copy .lede { margin-bottom: 2rem; }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 2.4rem; }

.hero-address {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  max-width: 100%;
}
.hero-address .label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); }
.hero-address .readout {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 0.8rem + 0.6vw, 1.15rem);
  color: var(--ink);
  min-height: 1.4em;
  font-weight: 600;
}
.hero-address .readout .cursor { display: inline-block; width: 0.55ch; background: var(--accent-1); margin-left: 1px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-address-note { font-size: 0.8rem; color: var(--ink-faint); }
.hero-address-note a { color: var(--accent-1); text-decoration: none; border-bottom: 1px dotted currentColor; }
.hero-address-note a:hover { color: var(--ink); }

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: radial-gradient(ellipse at 50% 20%, rgba(91,157,255,0.08), transparent 60%), var(--bg-panel);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3.5;
}
.hero-visual canvas { width: 100%; height: 100%; display: block; }
.hero-visual .hv-caption {
  position: absolute;
  left: 14px; bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  background: color-mix(in srgb, var(--bg-panel) 55%, transparent);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--line);
}
.hero-visual .hv-tag {
  position: absolute; top: 14px; right: 14px;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em;
  color: var(--good); border: 1px solid var(--line); border-radius: 999px;
  padding: 4px 10px; display: flex; align-items: center; gap: 6px;
  background: color-mix(in srgb, var(--bg-panel) 55%, transparent);
}
.hv-tag .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--good); box-shadow: 0 0 8px var(--good); }

/* ---------- problem cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.card {
  padding: 26px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--bg-panel);
  transition: border-color 0.25s ease, transform 0.25s var(--ease-out);
}
.card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.card .num { font-family: var(--font-mono); color: var(--ink-faint); font-size: 0.78rem; margin-bottom: 14px; display: block; }
.card h3 { margin-bottom: 8px; font-family: var(--font-sans); font-weight: 700; font-size: 1.05rem; }
.card p { color: var(--ink-dim); font-size: 0.95rem; }

/* ---------- indirection diagram ---------- */
.indirection {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 10px;
  margin: 40px 0 12px;
}
@media (max-width: 760px) {
  .indirection { grid-template-columns: 1fr; }
  .indirection .arrow { transform: rotate(90deg); margin: 4px auto; }
}
.ind-box {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  padding: 20px;
  text-align: center;
}
.ind-box .tt { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 10px; }
.ind-box .vv { font-family: var(--font-mono); font-size: 1rem; color: var(--ink); }
.ind-box .dd { font-size: 0.82rem; color: var(--ink-dim); margin-top: 8px; }
.arrow { display: flex; align-items: center; justify-content: center; color: var(--ink-faint); }
.arrow svg { width: 26px; height: 14px; }

/* ---------- terminal trace ---------- */
.trace {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.9;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #0c0e14, #0a0b10);
  padding: 22px 24px;
  overflow-x: auto;
  color: #cfd6e6;
}
:root[data-theme="light"] .trace { background: #14161c; color: #dfe3ee; }
.trace .step { color: var(--accent-1); }
.trace .tag { color: var(--ink-faint); }
.trace .ok { color: var(--good); }
.trace .prompt { color: var(--ink-faint); }

/* ---------- naming: primary address showcase ---------- */
.naming-primary {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  padding: clamp(22px, 3.5vw, 34px);
  background: linear-gradient(180deg, rgba(91,157,255,0.07), rgba(124,92,255,0.03)), var(--bg-panel);
  margin-bottom: 22px;
}
.np-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--good);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 20px;
}
.np-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-bottom: 20px; }
.np-flavor { display: flex; flex-direction: column; gap: 6px; }
.np-tt { font-family: var(--font-sans); font-weight: 700; font-size: 0.85rem; color: var(--ink-dim); }
.np-example { font-size: clamp(1.15rem, 0.9rem + 1vw, 1.55rem); color: var(--ink); font-weight: 600; }
.np-dd { font-size: 0.88rem; color: var(--ink-dim); max-width: 46ch; }
.np-note { font-size: 0.88rem; color: var(--ink-dim); max-width: 74ch; border-top: 1px solid var(--line); padding-top: 16px; }

/* ---------- naming: secondary pointers ---------- */
.naming-secondary { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 22px; }
.ns-row {
  display: grid;
  grid-template-columns: 150px 160px 1fr;
  gap: 18px;
  align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-panel);
}
.ns-row:last-child { border-bottom: none; }
.ns-form { font-weight: 700; font-size: 0.9rem; }
.ns-example { font-size: 0.9rem; color: var(--ink); }
.ns-note { font-size: 0.86rem; color: var(--ink-dim); }
@media (max-width: 760px) {
  .ns-row { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------- naming: safety number (explicitly not an address) ---------- */
.safety-number {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  padding: clamp(20px, 3vw, 30px);
  background: var(--bg-panel);
}
.safety-number h3 { margin-bottom: 10px; font-family: var(--font-sans); font-weight: 700; font-size: 1.05rem; }
.safety-number p { color: var(--ink-dim); font-size: 0.92rem; max-width: 74ch; }
.safety-number p + p { margin-top: 10px; }
.sn-words {
  font-size: clamp(0.9rem, 0.7rem + 0.6vw, 1.1rem) !important;
  color: var(--ink) !important;
  letter-spacing: 0.02em;
  padding: 12px 16px;
  margin: 14px 0 !important;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--bg-1) 60%, transparent);
  display: inline-block;
  max-width: 100%;
  overflow-wrap: break-word;
}

/* ---------- identity: four things ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.thing {
  padding: 26px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--bg-panel);
  transition: border-color 0.25s ease, transform 0.25s var(--ease-out);
}
.thing:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.thing:hover svg { color: var(--accent-2); }
.thing svg { width: 34px; height: 34px; margin-bottom: 16px; color: var(--accent-1); transition: color 0.25s ease; }
.thing h3 { font-family: var(--font-sans); font-weight: 700; font-size: 1.02rem; margin-bottom: 8px; }
.thing p { font-size: 0.9rem; color: var(--ink-dim); }

.signin-strip {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  justify-content: space-between;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--line-strong);
}
.signin-strip .lbl { font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-dim); }
.signin-strip .lbl b { color: var(--ink); }

/* ---------- product: feature rows (Mail / Chat / Files / Identity) ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  padding: 40px 0;
}
.feature-row + .feature-row { border-top: 1px solid var(--line); }
.feature-row.reverse .feature-media { order: 2; }
@media (max-width: 860px) {
  .feature-row { grid-template-columns: 1fr; padding: 28px 0; }
  .feature-row.reverse .feature-media { order: 0; }
}
.feature-media img {
  width: 100%;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}
.feature-tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--accent-1);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 14px;
}
.feature-copy h3 { font-size: 1.4rem; margin-bottom: 12px; }
.feature-copy > p { color: var(--ink-dim); font-size: 0.98rem; line-height: 1.65; max-width: 52ch; margin-bottom: 16px; }
.feature-copy strong, .feature-copy b { color: var(--ink); }
.feature-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feature-points li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--ink-dim);
  line-height: 1.55;
  max-width: 54ch;
}
.feature-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 9px; height: 1.5px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
}
.feature-points b { color: var(--ink); }

/* ---------- transport traceability ---------- */
.trace-showcase {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(28px, 5vw, 48px);
  align-items: center;
}
@media (max-width: 900px) { .trace-showcase { grid-template-columns: 1fr; } }
.trace-media img {
  width: 100%;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}
.trace-copy h3 { font-size: 1.1rem; font-family: var(--font-sans); font-weight: 700; margin-bottom: 14px; }
.trace-copy .feature-points { margin-bottom: 18px; }
.trace-boundary {
  font-size: 0.88rem;
  color: var(--ink-dim);
  line-height: 1.6;
  padding: 16px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
}
.trace-boundary strong { color: var(--ink); }

/* ---------- feature parity ---------- */
.parity-tally {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.pt-stat {
  text-align: center;
  padding: 22px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  transition: border-color 0.25s ease, transform 0.25s var(--ease-out);
}
.pt-stat:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.pt-num { display: block; font-family: var(--font-serif); font-size: clamp(2rem, 1.6rem + 1.4vw, 2.6rem); line-height: 1; color: var(--ink); margin-bottom: 8px; background: linear-gradient(100deg, var(--accent-1), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pt-label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-faint); line-height: 1.5; }

/* ---------- privacy ---------- */
.priv-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .priv-grid { grid-template-columns: 1fr; } }
.priv-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 20px; }
.priv-list li { display: grid; grid-template-columns: auto 1fr; gap: 14px; }
.priv-list .ic { width: 22px; height: 22px; flex: none; color: var(--accent-1); margin-top: 2px; }
.priv-list h3 { font-family: var(--font-sans); font-size: 0.98rem; font-weight: 700; margin-bottom: 4px; }
.priv-list p { color: var(--ink-dim); font-size: 0.92rem; }

.honest-box {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 24px;
  background: repeating-linear-gradient(135deg, rgba(255,207,125,0.05) 0 10px, transparent 10px 20px), var(--bg-panel);
}
.honest-box .eyebrow { color: var(--warn); }
.honest-box .eyebrow::before { background: linear-gradient(90deg, var(--warn), var(--accent-2)); }
.honest-box p { color: var(--ink-dim); font-size: 0.93rem; margin-top: 10px; }
.honest-box p + p { margin-top: 12px; }
.honest-box strong { color: var(--ink); }
.honest-list { list-style: none; margin: 14px 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.honest-list li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-dim);
  font-size: 0.88rem;
  line-height: 1.55;
}
.honest-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 7px; height: 1.5px;
  background: var(--warn);
}
.honest-list em { color: var(--ink); font-style: normal; }

/* ---------- open source ---------- */
.compare {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.compare .col {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  background: var(--bg-panel);
}
.compare .col.hosted { border-color: var(--line-strong); background: linear-gradient(180deg, rgba(91,157,255,0.06), transparent 60%), var(--bg-panel); }
.compare .col h3 { font-family: var(--font-sans); font-weight: 700; font-size: 1.05rem; margin-bottom: 4px; }
.compare .price { font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-faint); margin-bottom: 18px; display: block; }
.compare ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.compare li { font-size: 0.9rem; color: var(--ink-dim); display: flex; gap: 10px; align-items: flex-start; }
.compare li svg { width: 16px; height: 16px; flex: none; margin-top: 3px; color: var(--good); }
.seam-note { margin-top: 24px; font-size: 0.88rem; color: var(--ink-dim); max-width: 68ch; }
.seam-note code { font-family: var(--font-mono); font-size: 0.85em; background: rgba(255,255,255,0.05); padding: 0.1em 0.4em; border-radius: 4px; }

/* ---------- trust / state table ---------- */
.state-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.state-table th, .state-table td { text-align: left; padding: 13px 14px; border-bottom: 1px solid var(--line); }
.state-table th { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); font-weight: 500; }
.state-table td:first-child { color: var(--ink); }
.state-table td.loc { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent-1); white-space: nowrap; }
.state-table tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--bg-panel); padding: 6px 18px; }

/* ---------- final CTA ---------- */
.cta-final {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  padding: clamp(32px, 6vw, 64px);
  background: radial-gradient(ellipse 700px 400px at 20% 0%, rgba(91,157,255,0.14), transparent 60%),
              radial-gradient(ellipse 700px 400px at 100% 100%, rgba(124,92,255,0.12), transparent 60%),
              var(--bg-panel);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 900px) { .cta-final { grid-template-columns: 1fr; } }
.cta-final h2 { margin-bottom: 14px; }
.cta-final .lede { margin-bottom: 22px; }
.code-block {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #0a0b10;
  color: #cfd6e6;
  padding: 20px;
  line-height: 1.8;
  overflow-x: auto;
}
:root[data-theme="light"] .code-block { background: #14161c; color: #e2e6f0; }
.code-block .c { color: var(--ink-faint); }
.code-block .g { color: var(--good); }

.status-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.06em;
  color: var(--warn); border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 6px 12px; margin-top: 22px;
}
.status-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--warn); }

/* ---------- footer ---------- */
footer { padding: 56px 0 40px; border-top: 1px solid var(--line); }
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 44px;
}
@media (max-width: 800px) { .foot-grid { grid-template-columns: repeat(2, 1fr); } }
.foot-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.foot-brand svg { width: 26px; height: 26px; }
.foot-col h4 { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 14px; font-weight: 500; }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.foot-col a { text-decoration: none; color: var(--ink-dim); font-size: 0.9rem; }
.foot-col a:hover { color: var(--ink); }
.foot-desc { color: var(--ink-dim); font-size: 0.9rem; max-width: 36ch; }
.foot-bottom {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--line);
  font-size: 0.82rem; color: var(--ink-faint);
}
.foot-bottom .legal-links { display: flex; gap: 18px; }
.foot-bottom a { text-decoration: none; color: var(--ink-faint); }
.foot-bottom a:hover { color: var(--ink-dim); }

/* ---------- reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
.reveal.in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* stagger helper */
.reveal[data-d="1"] { transition-delay: 0.06s; }
.reveal[data-d="2"] { transition-delay: 0.12s; }
.reveal[data-d="3"] { transition-delay: 0.18s; }
.reveal[data-d="4"] { transition-delay: 0.24s; }

/* ---------- misc ---------- */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent-2); color: #fff; padding: 10px 16px; z-index: 100;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--accent-1); outline-offset: 2px; }

/* ---------- mobile/tablet legibility + AA-contrast pass ----------
   Scoped to <1280px so the >=1280px desktop view is unchanged.
   These labels were already >=10.5px (the tracked-micro-label floor)
   but their color failed WCAG AA (~3.3–3.8:1) against their real
   backgrounds; swap in the existing --ink-dim / --accent-1-aa tokens
   (already used elsewhere on the site) for ~5–9:1. A couple of
   under-12px "prose-ish" bits (feature badges, status line, inline
   code) get nudged up to a legible floor. */
@media (max-width: 1279px) {
  .eyebrow,
  .hero-visual .hv-caption,
  .hero-address .label,
  .ind-box .tt,
  .state-table th,
  .foot-col h4,
  .pt-label {
    color: var(--ink-dim);
  }
  .eyebrow .tag {
    color: var(--accent-1-aa);
  }
  .status-pill {
    font-size: 0.82rem;
  }
  .feature-tag {
    font-size: 0.8125rem;
  }
  .seam-note code {
    font-size: 0.92em;
  }
}