/* Sourcerer website: the landing page. Shared tokens and components are in site.css. */

.wrap { max-width: var(--page-w); margin: 0 auto; padding: 0 var(--gutter); }

/* Reveal on scroll (home.js adds .in); without JavaScript everything is simply shown. */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }

.section { padding: clamp(72px, 10vw, 128px) 0; position: relative; }
.section + .section:not(.band) { border-top: 1px solid var(--border); }
/* An editorial ornament, the wordmark's star, where one paper section meets the next. */
.section.orn::before {
  content: ''; position: absolute; left: 50%; top: -9px; width: 17px; height: 17px; margin-left: -8px;
  background: var(--bg); box-shadow: 0 0 0 10px var(--bg);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M9 0 10.8 7.2 18 9 10.8 10.8 9 18 7.2 10.8 0 9 7.2 7.2Z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M9 0 10.8 7.2 18 9 10.8 10.8 9 18 7.2 10.8 0 9 7.2 7.2Z'/%3E%3C/svg%3E") center / contain no-repeat;
  background-color: var(--amber);
}
.section-head { max-width: 60ch; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .kicker, .kicker { color: var(--primary); margin: 0 0 16px; font-size: 11px; }
.section-head h2 { font: 700 clamp(34px, 4.6vw, 52px)/1.06 var(--font-serif); letter-spacing: -0.02em; margin: 0 0 20px; }
.section-head p { color: var(--text-2); font-size: 19px; margin: 0 0 16px; }
.section-head p a, .note a, .steps a, .section-more a, .faq-list a {
  color: inherit; text-decoration-line: underline; text-decoration-color: var(--primary); text-underline-offset: 3px;
}
.section-head p a:hover { color: var(--primary); }
.more { font: 500 11px/1.6 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; text-decoration: none !important; color: var(--text) !important; }
.more span { display: inline-block; transition: transform 0.2s var(--ease); color: var(--primary); }
.more:hover span { transform: translateX(4px); }
.note { color: var(--text-3) !important; font-size: 15px !important; }
.section-more { margin-top: 36px; color: var(--text-2); }
.center { text-align: center; }

/* ── Hero ──────────────────────────────────────────────────────────────────────────────────── */

.hero { padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 7vw, 88px); position: relative; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-color: transparent;
  background-image: linear-gradient(var(--border) 1px, transparent 1px);
  background-size: 100% 32px;
  mask-image: radial-gradient(ellipse 70% 60% at 75% 35%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 75% 35%, #000 0%, transparent 75%);
  opacity: 0.6;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--text-2); margin: 0 0 26px; font-size: 10px; letter-spacing: 0.16em; }
.eyebrow-dot { width: 7px; height: 7px; background: var(--success); box-shadow: 0 0 0 4px var(--success-soft); }
.hero-title { font: 700 clamp(42px, 5.2vw, 68px)/1.03 var(--font-serif); letter-spacing: -0.03em; margin: 0 0 28px; }
.hl { position: relative; display: inline-block; color: var(--primary); }
.hl-swash { position: absolute; left: -2%; bottom: -0.08em; width: 104%; height: 0.24em; overflow: visible; }
.hl-swash path { fill: none; stroke: var(--amber); stroke-width: 5; stroke-linecap: round; vector-effect: non-scaling-stroke; stroke-dasharray: 320; stroke-dashoffset: 320; transition: stroke-dashoffset 1.3s var(--ease-out) 0.5s; }
.hl.on .hl-swash path { stroke-dashoffset: 0; }
.hero-lead { font-size: 20px; color: var(--text-2); max-width: 54ch; margin: 0 0 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.hero-meta { font-size: 15px; color: var(--text-3); margin: 0; }
.hero-meta a { color: inherit; }

.proof {
  list-style: none; margin: clamp(48px, 6vw, 80px) 0 0; padding: 22px 0 0;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px;
  border-top: 3px double var(--border-strong);
}
.proof b { display: block; font: 500 11px/1.4 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 6px; }
.proof span { display: block; color: var(--text-2); font-size: 16px; line-height: 1.5; }

/* The vault: ciphertext that decrypts into a source record, then locks again (home.js). */
.hero-visual { position: relative; padding: 36px 0 0 0; }
.hero-visual::before {
  content: ''; position: absolute; inset: -10% -20% -10% -10%; z-index: -1;
  background: radial-gradient(closest-side, var(--glow), transparent);
}
/* Behind the record: the same data as it sits in the file, scrolling past as a hex dump. */
.hexdump {
  position: absolute; right: -28px; top: 0; width: 78%; height: 300px; z-index: 0;
  background: var(--band-bg); color: var(--band-text-3); border: 1px solid var(--band-border);
  box-shadow: var(--shadow-lg); transform: rotate(2.2deg); overflow: hidden;
}
.hexdump-bar { padding: 10px 14px; border-bottom: 1px solid var(--band-border); font: 500 10px/1 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--amber); text-align: right; }
.hexdump-body { margin: 0; padding: 10px 14px; font: 400 11px/1.7 var(--font-mono); white-space: pre; color: var(--band-text-3);
  -webkit-mask-image: linear-gradient(#000 60%, transparent); mask-image: linear-gradient(#000 60%, transparent); }
.hexdump-body b { color: var(--band-text-2); font-weight: 400; }
.vault {
  position: relative; z-index: 1; margin: 64px 40px 0 0; background: var(--paper); border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.vault::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--primary); transform-origin: left; transform: scaleX(var(--unlock, 0)); transition: transform 0.9s var(--ease-out); }
.vault-bar {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 18px; border-bottom: 1px solid var(--border); background: var(--surface);
  font: 500 10px/1 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3);
}
.vault-where { display: inline-flex; align-items: center; gap: 10px; }
.vault-lock { position: relative; width: 10px; height: 8px; background: currentColor; margin-top: 4px; transition: color 0.3s; }
.vault-lock::before {
  content: ''; position: absolute; left: 1.5px; bottom: 7px; width: 7px; height: 6px;
  border: 1.5px solid currentColor; border-bottom: 0; transform-origin: right bottom; transition: transform 0.4s var(--ease-out);
}
.vault.open .vault-lock { color: var(--primary); }
.vault.open .vault-lock::before { transform: translateX(4px) rotate(18deg); }
.vault.open .vault-state { color: var(--text); }
.vault-body { padding: 22px 24px 24px; min-height: 380px; }
.cx { white-space: pre-wrap; word-break: break-all; }
.cx.cipher { color: var(--cipher); font-family: var(--font-mono); font-weight: 400; letter-spacing: 0.02em; }
.v-kicker { margin: 0 0 8px; font: 500 10px/1.4 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--primary); min-height: 14px; }
.v-name { margin: 0; font: 700 30px/1.15 var(--font-serif); letter-spacing: -0.01em; min-height: 35px; }
.v-name .cx.cipher { font-size: 22px; }
.v-org { margin: 6px 0 0; color: var(--text-2); font-size: 16px; min-height: 26px; }
.v-org .cx.cipher, .v-row .cx.cipher { font-size: 13px; }
.v-rule { height: 0; border-top: 3px double var(--border-strong); margin: 18px 0 8px; }
.v-row { display: grid; grid-template-columns: 76px 1fr; gap: 12px; align-items: baseline; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 16px; }
.v-label { font: 500 10px/1.4 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); margin: 0; }
.v-status .cx:not(.cipher) {
  display: inline-block; font: 500 10px/1 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase;
  padding: 6px 8px; border: 1px solid var(--border-strong); transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.v-status.bump .cx { animation: bump 0.45s var(--ease-out); }
.v-status.live .cx:not(.cipher) { background: var(--primary-soft); color: var(--primary); border-color: var(--primary); }
@keyframes bump { 40% { transform: translateY(-3px); } }
.v-log { margin-top: 16px; }
.v-entry {
  margin: 8px 0 0; font-size: 15px; line-height: 1.45; display: grid; grid-template-columns: 52px 1fr; gap: 12px;
  opacity: 0; transform: translateY(6px); transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.v-entry.show { opacity: 1; transform: none; }
.v-date { font: 500 10px/1.9 var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); }
.v-reminder {
  margin-top: 18px; display: inline-flex; align-items: center; gap: 10px; padding: 9px 12px;
  background: var(--warning-soft); color: var(--warning-text);
  font: 500 10px/1 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase;
  opacity: 0; transform: translateY(6px) scale(0.98); transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.v-reminder.show { opacity: 1; transform: none; }
.v-bell { width: 7px; height: 7px; background: currentColor; }
.vault:not(.open) .v-log .v-label, .vault:not(.open) .v-row .v-label { opacity: 0.45; }
.vault-caption { margin: 16px 0 0; color: var(--text-3); font-size: 10px; letter-spacing: 0.16em; position: relative; height: 16px; }
.vault-caption span { position: absolute; left: 0; top: 0; transition: opacity 0.4s; }
.vc-open { opacity: 0; }
.hero-visual.is-open .vc-open { opacity: 1; }
.hero-visual.is-open .vc-locked { opacity: 0; }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .proof { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .proof { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .vault-body { padding: 18px; min-height: 400px; }
  .v-name { font-size: 26px; }
}

/* ── Tour ──────────────────────────────────────────────────────────────────────────────────── */

.tour-tabs { display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 22px; border-bottom: 1px solid var(--border); }
.tour-tabs [role='tab'] {
  position: relative; background: none; border: 0; cursor: pointer;
  padding: 12px 14px 14px; color: var(--text-3);
  font: 500 11px/1 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase;
}
.tour-tabs [role='tab']:hover { color: var(--text); }
.tour-tabs [role='tab'][aria-selected='true'] { color: var(--text); }
.tour-tabs [role='tab']::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--primary);
  transform-origin: left; transform: scaleX(0);
}
.tour-tabs [role='tab'][aria-selected='true']::after { transform: scaleX(var(--p, 1)); }

.window { border: 1px solid var(--border-strong); background: var(--surface); box-shadow: var(--shadow-lg); overflow: hidden; }
.window-bar { display: flex; align-items: center; gap: 7px; height: 34px; padding: 0 12px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.window-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.window-bar em { margin-left: 10px; font: 500 10px/1 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; font-style: normal; color: var(--text-3); }
.window-screens { position: relative; aspect-ratio: 16 / 10; background: var(--bg); }
.screen { position: absolute; inset: 0; margin: 0; opacity: 0; transition: opacity 0.5s var(--ease); }
.screen.active { opacity: 1; }
.screen img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.tour-captions { position: relative; margin-top: 22px; min-height: 64px; }
.caption { margin: 0; position: absolute; inset: 0 0 auto 0; opacity: 0; transform: translateY(6px); transition: opacity 0.4s, transform 0.4s var(--ease-out); color: var(--text-2); font-size: 18px; max-width: 80ch; pointer-events: none; }
.caption.active { opacity: 1; transform: none; pointer-events: auto; }
.caption b { color: var(--text); font-weight: 600; }
.caption a { margin-left: 6px; font: 500 10px/1 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--primary); text-decoration: none; white-space: nowrap; }
.caption a::after { content: ' →'; }
@media (max-width: 700px) { .tour-captions { min-height: 120px; } }

/* ── Encryption ────────────────────────────────────────────────────────────────────────────── */

.disk-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.spec { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 28px; align-items: start; }
.spec dl { margin: 0; border-top: 2px solid var(--text); }
.spec dl div { padding: 14px 0; border-bottom: 1px solid var(--border); }
.spec dt { font: 500 10px/1.4 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); margin-bottom: 4px; }
.spec dd { margin: 0; font-size: 18px; }
.unlock-shot { border: 1px solid var(--border-strong); box-shadow: var(--shadow-md); background: var(--bg); }
.unlock-shot img { display: block; width: 100%; }
@media (max-width: 1100px) { .spec { grid-template-columns: minmax(0, 1fr); } .unlock-shot { max-width: 320px; } }
@media (max-width: 860px) { .disk-grid { grid-template-columns: minmax(0, 1fr); } }

/* ── Outreach ──────────────────────────────────────────────────────────────────────────────── */

.flow { position: relative; margin-bottom: 64px; }
.flow-path { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); position: relative; }
.flow-path::before { content: ''; position: absolute; left: 0; right: 0; top: 11px; height: 1px; background: var(--border-strong); }
.flow-path li {
  position: relative; padding: 34px 12px 0 0; font-size: 17px; color: var(--text-3); transition: color 0.4s;
}
.flow-path li::before {
  content: ''; position: absolute; left: 0; top: 6px; width: 11px; height: 11px;
  background: var(--bg); border: 1px solid var(--border-strong); transition: background 0.4s, border-color 0.4s;
}
.flow-path li.done { color: var(--text); }
.flow-path li.done::before { background: var(--primary); border-color: var(--primary); }
.flow-cursor {
  position: absolute; top: 2px; left: 0; width: 19px; height: 19px; margin-left: -4px;
  border: 1px solid var(--primary); transform: translateX(var(--x, 0px)); transition: transform 0.9s var(--ease-out);
}
.flow-off { list-style: none; margin: 28px 0 0; padding: 18px 0 0; border-top: 1px dashed var(--border); display: flex; flex-wrap: wrap; gap: 8px; }
.flow-off::before { content: 'Or'; font: 500 10px/30px var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); margin-right: 6px; }
.flow-off li { padding: 6px 10px; border: 1px solid var(--border); font: 500 10px/1.6 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2); }
@media (max-width: 760px) {
  .flow-path { grid-template-columns: minmax(0, 1fr); }
  .flow-path::before { left: 5px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .flow-path li { padding: 0 0 18px 30px; }
  .flow-path li::before { top: 7px; }
  .flow-cursor { display: none; }
}

.cadence { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 40px; align-items: start; }
.cadence-head .label { margin: 0 0 8px; color: var(--text); }
.cadence-head p:last-child { color: var(--text-3); font-size: 15px; margin: 0; }
.bars { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--text); }
.bars li { display: grid; grid-template-columns: 120px minmax(0, 1fr) 130px; gap: 16px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--border); }
.bar-label { font-size: 17px; }
.bar { height: 10px; background: var(--surface-2); position: relative; }
.bar i { position: absolute; inset: 0 auto 0 0; width: calc(var(--v) / 60 * 100%); background: var(--primary); transform-origin: left; transform: scaleX(0); transition: transform 1.1s var(--ease-out); }
.bars li:nth-child(2) i { transition-delay: 0.08s; } .bars li:nth-child(3) i { transition-delay: 0.16s; } .bars li:nth-child(4) i { transition-delay: 0.24s; }
.cadence.in .bar i, html:not(.js) .bar i { transform: scaleX(1); }
.bar-val { font: 500 10px/1.4 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2); text-align: right; }
@media (max-width: 760px) {
  .cadence { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .bars li { grid-template-columns: 96px minmax(0, 1fr) 96px; gap: 10px; }
}

/* ── Redaction ─────────────────────────────────────────────────────────────────────────────── */

.redact-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(32px, 5vw, 64px); align-items: center; }
.redact-toggle { gap: 6px; }
.redact-toggle kbd { color: inherit; border-color: currentColor; opacity: 0.8; }
.redact-word { margin-left: 8px; }
.redact-toggle[aria-pressed='true'] { background: var(--ink); color: var(--ink-contrast); border-color: var(--ink); }
.redact-screens { position: relative; aspect-ratio: 16 / 10; background: var(--bg); }
.redact-screens img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top left; transition: opacity 0.45s var(--ease); }
.redact-screens .r-blur { opacity: 0; }
.redact-demo[data-redacted='true'] .r-blur { opacity: 1; }
.redact-demo[data-redacted='true'] .r-clear { opacity: 0; }
@media (max-width: 860px) { .redact-grid { grid-template-columns: minmax(0, 1fr); } }

/* ── Shared projects ───────────────────────────────────────────────────────────────────────── */

.share-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.share-visual { position: relative; aspect-ratio: 600 / 300; }
.share-lines { position: absolute; left: 0; top: 0; width: 100%; height: 100%; overflow: visible; z-index: 0; }
.share-lines path { fill: none; stroke: var(--border-strong); stroke-width: 1.5; stroke-dasharray: 5 6; vector-effect: non-scaling-stroke; animation: dash 1.6s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -22; } }
.node {
  position: absolute; z-index: 1; display: flex; flex-direction: column; gap: 6px;
  padding: 14px 16px; background: var(--paper); border: 1px solid var(--border-strong); box-shadow: var(--shadow-md);
}
.node-who { font: 500 10px/1.3 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); }
.node-db { font: 700 18px/1.2 var(--font-serif); }
.node-file { font: 600 16px/1.2 var(--font-serif); }
.node-cipher { font: 400 11px/1.3 var(--font-mono); color: var(--cipher); letter-spacing: 0.04em; height: 14px; overflow: hidden; width: 180px; white-space: nowrap; }
.node-a { left: 0; bottom: 0; transform: translateX(-10%); }
.node-b { right: 0; bottom: 0; transform: translateX(10%); }
.node-a, .node-b { width: 40%; max-width: 200px; }
.node-a { transform: none; }
.node-b { transform: none; }
.node-cloud { left: 50%; top: 0; transform: translate(-50%, 0); border-color: var(--primary); }
.node-cloud::before { content: ''; position: absolute; left: 16px; right: 16px; top: -1px; height: 3px; background: var(--primary); }
.share-lines .packet { fill: var(--primary); stroke: none; animation: none; }
.share-clock { position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%); color: var(--text-3); font-size: 10px; letter-spacing: 0.16em; white-space: nowrap; }
@media (max-width: 860px) { .share-grid { grid-template-columns: minmax(0, 1fr); } }
@media (prefers-reduced-motion: reduce) { .share-lines path { animation: none; } .share-lines .packet { display: none; } }

/* ── Extension ─────────────────────────────────────────────────────────────────────────────── */

.ext-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.ext-shot { display: flex; justify-content: center; }
.ext-shot img { width: 360px; max-width: 100%; border: 1px solid var(--border-strong); box-shadow: var(--shadow-lg); background: var(--paper); transform: rotate(-1.5deg); transition: transform 0.5s var(--ease-out); }
.ext-shot img:hover { transform: rotate(0deg) translateY(-4px); }
.ext-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 16px; }
@media (max-width: 860px) { .ext-grid { grid-template-columns: minmax(0, 1fr); } .ext-shot { order: 2; } }

/* ── Feature grid ──────────────────────────────────────────────────────────────────────────── */

.feature-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 2px solid var(--text); }
.feature-grid li { padding: 22px 24px 26px 0; border-bottom: 1px solid var(--border); }
.feature-grid li:not(:nth-child(3n + 1)) { padding-left: 24px; border-left: 1px solid var(--border); }
.feature-grid h3 { margin: 0 0 8px; font: 500 11px/1.4 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; }
.feature-grid p { margin: 0; color: var(--text-2); font-size: 17px; }
@media (max-width: 860px) {
  .feature-grid { grid-template-columns: minmax(0, 1fr); }
  .feature-grid li, .feature-grid li:not(:nth-child(3n + 1)) { padding: 18px 0; border-left: 0; }
}

/* ── Download ──────────────────────────────────────────────────────────────────────────────── */

.download { background: var(--surface); }
.platforms { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; max-width: 900px; margin: 0 auto; }
.platform {
  display: flex; flex-direction: column; gap: 8px; padding: 24px; text-decoration: none;
  background: var(--bg); border: 1px solid var(--border-strong); transition: border-color 0.2s, transform 0.2s var(--ease), box-shadow 0.2s;
}
.platform svg { width: 26px; height: 26px; margin-bottom: 8px; }
.platform:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.platform-name { font: 600 20px/1.2 var(--font-serif); }
.platform-file { font: 400 12px/1.4 var(--font-mono); color: var(--text-3); word-break: break-all; }
.platform.detected { border-color: var(--primary); box-shadow: inset 0 3px 0 var(--primary); }
.steps { list-style: none; counter-reset: step; max-width: 900px; margin: 56px auto 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.steps li { counter-increment: step; padding-top: 16px; border-top: 2px solid var(--text); }
.steps li::before { content: '0' counter(step); display: block; font: 500 10px/1 var(--font-mono); letter-spacing: 0.16em; color: var(--primary); margin-bottom: 10px; }
.steps b { display: block; font-size: 19px; font-weight: 600; margin-bottom: 4px; }
.steps span { color: var(--text-2); font-size: 16px; }
@media (max-width: 760px) { .platforms, .steps { grid-template-columns: minmax(0, 1fr); } }

/* ── Questions ─────────────────────────────────────────────────────────────────────────────── */

.faq-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.faq-list { border-top: 2px solid var(--text); }
.faq-list details { border-bottom: 1px solid var(--border); }
.faq-list summary { list-style: none; cursor: pointer; padding: 18px 36px 18px 0; position: relative; font-size: 20px; font-weight: 600; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; position: absolute; right: 4px; top: 16px; font: 400 22px/1 var(--font-mono); color: var(--primary); transition: transform 0.25s var(--ease); }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { margin: 0 0 20px; color: var(--text-2); font-size: 17px; }
@media (max-width: 860px) { .faq-grid { grid-template-columns: minmax(0, 1fr); } }

/* ── Ink bands: the encryption and download sections invert to the app's ink ──────────────── */

.band { background: var(--band-bg); color: var(--band-text); overflow: hidden; }
.band .section-head p { color: var(--band-text-2); }
.band .section-head .kicker { color: var(--amber); }
.band .more { color: var(--band-text) !important; }
.band .more span { color: var(--amber); }
.band ::selection { background: rgba(234, 180, 79, 0.3); }
.cipher-wall {
  position: absolute; inset: -40px 0 auto 0; margin: 0; z-index: 0; pointer-events: none;
  font: 400 13px/1.9 var(--font-mono); letter-spacing: 0.3em; color: var(--band-cipher);
  white-space: pre; overflow: hidden; height: calc(100% + 80px);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 75% 50%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 75% 50%, #000 10%, transparent 75%);
}
.band .wrap { position: relative; z-index: 1; }
.disk .spec dl { border-top-color: var(--band-text); }
.disk .spec dl div { border-bottom-color: var(--band-border); }
.disk .spec dt { color: var(--amber); }
.disk .spec dd { color: var(--band-text); }
.disk .unlock-shot { border-color: var(--band-border); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5); transform: rotate(-2deg); }
.disk .unlock-shot .only-light { display: none !important; }
.disk .unlock-shot .only-dark { display: block !important; }
.disk .section-head h2 { font-size: clamp(38px, 5vw, 60px); }

.download { background: var(--band-bg); }
.download-glow { position: absolute; left: 50%; top: 0; width: 900px; height: 500px; transform: translate(-50%, -45%); background: radial-gradient(closest-side, rgba(234, 180, 79, 0.22), transparent); pointer-events: none; }
.download .section-head h2 { font-size: clamp(44px, 6vw, 72px); }
.download .platform { background: var(--band-surface); border-color: var(--band-border); color: var(--band-text); }
.download .platform:hover { border-color: var(--amber); }
.download .platform.detected { border-color: var(--amber); box-shadow: inset 0 3px 0 var(--amber); }
.download .platform-file { color: var(--band-text-3); }
.download .steps li { border-top-color: var(--band-text); }
.download .steps li::before { color: var(--amber); }
.download .steps span, .download .section-more { color: var(--band-text-2); }
.download .steps a, .download .section-more a { text-decoration-color: var(--amber); }

/* ── Tour: a bigger window that tilts up into place ─────────────────────────────────────────── */

.tour .wrap { max-width: 1320px; }
.tour .section-head { max-width: 60ch; }
.tour-stage { perspective: 1800px; }
.js .tour-stage.reveal { opacity: 1; transform: none; }
.tour-stage .window { transform-origin: 50% 0; transition: transform 1.2s var(--ease-out), box-shadow 1.2s; }
.js .tour-stage:not(.in) .window { transform: rotateX(14deg) scale(0.94); }
.tour-stage::before { content: ''; position: absolute; left: 10%; right: 10%; top: 10%; height: 70%; background: radial-gradient(closest-side, var(--glow), transparent); z-index: -1; }
.tour-stage { position: relative; }

/* ── Redaction: a sweep that blurs and unblurs until someone takes over ─────────────────────── */

.redact-screens .r-blur { opacity: 1 !important; clip-path: inset(0 100% 0 0); transition: clip-path 1.1s var(--ease-out); }
.redact-demo[data-redacted='true'] .r-blur { clip-path: inset(0 0 0 0); }
.redact-demo[data-redacted='true'] .r-clear { opacity: 1; }
.redact-screens::after {
  content: ''; position: absolute; top: 0; bottom: 0; left: 0; width: 2px; background: var(--primary);
  box-shadow: 0 0 18px 2px var(--glow); opacity: 0; transform: translateX(0); transition: transform 1.1s var(--ease-out), opacity 0.3s;
}
.redact-demo.sweeping .redact-screens::after { opacity: 1; }
.redact-demo[data-redacted='true'] .redact-screens::after { transform: translateX(calc(var(--w, 800px) - 2px)); }
.redact-grid { grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); }
@media (max-width: 860px) { .redact-grid { grid-template-columns: minmax(0, 1fr); } }

/* ── Shared projects ───────────────────────────────────────────────────────────────────────── */

.share-visual { background: var(--surface); border: 1px solid var(--border); padding: 0; }
.share-visual::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px); background-size: 28px 28px; opacity: 0.5; }
.share-visual .node-a { left: 5%; bottom: 14%; }
.share-visual .node-b { right: 5%; bottom: 14%; }
.share-visual .node-cloud { top: 9%; }
.share-lines { inset: 0; height: 100%; }
.share-clock { bottom: 4%; }

/* ── Features ──────────────────────────────────────────────────────────────────────────────── */

.f-icon { width: 26px; height: 26px; margin-bottom: 14px; fill: none; stroke: var(--primary); stroke-width: 1.4; stroke-linecap: square; }
.feature-grid li { transition: background 0.2s; }
.feature-grid li:hover { background: var(--surface); }

/* Wider headers where the section below spans the page. */
.tour .section-head { max-width: none; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 64px; align-items: end; }
.tour .section-head .kicker { grid-column: 1 / -1; }
.tour .section-head h2 { margin-bottom: 16px; }
@media (max-width: 860px) { .tour .section-head { grid-template-columns: minmax(0, 1fr); } }
.download .section-head { max-width: 900px; }

/* The status track sits on a card, like a project row in the app. */
.flow { background: var(--paper); border: 1px solid var(--border-strong); box-shadow: var(--shadow-md); padding: 36px 36px 28px; }
.flow-path li { font-size: 19px; }
.flow-path li.done:last-child { color: var(--primary); font-weight: 600; }
.flow-cursor { top: 38px; left: 36px; }
@media (max-width: 760px) { .flow { padding: 24px 20px; } }

@media (max-width: 600px) {
  .share-visual { aspect-ratio: 600 / 380; }
  .share-visual .node { padding: 10px 12px; }
  .share-visual .node-a, .share-visual .node-b { width: 44%; bottom: 13%; }
  .share-visual .node-a { left: 3%; }
  .share-visual .node-b { right: 3%; }
  .node-db, .node-file { font-size: 15px; }
  .node-cipher { width: 130px; font-size: 10px; }
  .hexdump { right: -8px; width: 86%; }
  .vault { margin-right: 14px; }
}