:root {
  --ink: #172019;
  --muted: #687269;
  --paper: #f1f0e9;
  --white: #fbfbf7;
  --line: #d5d6ce;
  --acid: #d9ff52;
  --sage: #b7c6b5;
  --warning: #ffbb42;
  --danger: #b8392d;
  --radius: 4px;
  --mono: "Cascadia Mono", "Courier New", monospace;
  --body: "Aptos", "Trebuchet MS", sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); min-height: 100vh; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .19; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E"); }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { color: inherit; }
.topbar { height: 76px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; padding: 0 max(24px, calc((100vw - 1240px) / 2)); position: relative; z-index: 2; }
.brand { display: flex; gap: 12px; align-items: center; font: 500 13px var(--mono); letter-spacing: .14em; }
.brand-mark { width: 25px; height: 25px; border: 1px solid var(--ink); display: grid; place-items: center; transform: rotate(45deg); }
.brand-mark i { width: 7px; height: 7px; display: block; background: var(--ink); border-radius: 50%; }
.topbar nav { display: flex; align-items: center; gap: 28px; font-size: 13px; font-weight: 600; }
.nav-cta { border-bottom: 1px solid var(--ink); padding-bottom: 4px; }
.inline { display: inline; }
.text-button { padding: 0; border: 0; background: none; cursor: pointer; font-size: 13px; font-weight: 600; }
.user-name { color: var(--muted); }
main { width: min(1240px, calc(100% - 48px)); margin: 0 auto; position: relative; z-index: 1; min-height: calc(100vh - 150px); }
footer { min-height: 74px; width: min(1240px, calc(100% - 48px)); margin: 30px auto 0; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; font: 11px var(--mono); letter-spacing: .08em; color: var(--muted); }
.eyebrow { display: block; font: 500 11px var(--mono); letter-spacing: .14em; color: var(--muted); margin-bottom: 16px; }
h1, h2, p { margin-top: 0; }
h1 { font-size: clamp(43px, 6vw, 83px); line-height: .96; letter-spacing: -.055em; font-weight: 600; }
h1 em { font-family: var(--serif); font-weight: 500; }
h2 { font-size: 21px; letter-spacing: -.025em; }
p { line-height: 1.7; }
.muted, .form-note, .empty-line { color: var(--muted); }
.button { min-height: 48px; border: 1px solid var(--ink); padding: 0 20px; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s; border-radius: var(--radius); }
.button:hover { transform: translateY(-2px); box-shadow: 4px 4px 0 rgba(23,32,25,.18); }
.button.primary { background: var(--ink); color: var(--white); }
.button.ghost { background: transparent; }
.button.light { background: var(--white); }
.button.dark { background: var(--ink); color: var(--white); }
.button.large { min-height: 58px; padding: 0 28px; }
.button.full { width: 100%; }
.hero { min-height: 660px; display: grid; grid-template-columns: 1.35fr .65fr; gap: 8vw; align-items: center; padding: 70px 3vw; }
.hero-copy { max-width: 720px; animation: rise .7s ease both; }
.hero-copy p { max-width: 600px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.signal-card { background: var(--ink); color: var(--white); min-height: 480px; padding: 27px; position: relative; box-shadow: 18px 18px 0 var(--sage); animation: rise .7s .12s ease both; }
.signal-card::after { content: ""; position: absolute; inset: 9px; border: 1px solid rgba(255,255,255,.12); pointer-events: none; }
.signal-head { display: flex; justify-content: space-between; font: 10px var(--mono); letter-spacing: .12em; }
.live-dot { color: var(--acid); }
.live-dot::before { content: ""; display: inline-block; width: 6px; height: 6px; background: var(--acid); border-radius: 50%; margin-right: 7px; box-shadow: 0 0 0 5px rgba(217,255,82,.12); }
.dial { width: 210px; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; margin: 62px auto 50px; display: grid; place-items: center; position: relative; }
.dial::before { content: ""; position: absolute; inset: -8px; border-radius: 50%; border: 8px solid transparent; border-top-color: var(--acid); transform: rotate(32deg); }
.dial div { text-align: center; }
.dial strong { display: block; font: 500 74px/1 var(--mono); }
.dial span { color: #aeb7af; font-size: 11px; }
.signal-row { display: flex; justify-content: space-between; padding: 15px 0; border-top: 1px solid rgba(255,255,255,.14); font-size: 11px; }
.signal-row span { color: #aeb7af; }
.principles { border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); }
.principles article { padding: 45px 5vw 45px 0; border-right: 1px solid var(--line); }
.principles article + article { padding-left: 5vw; }
.principles article:last-child { border: 0; }
.principles article > span { font: 11px var(--mono); color: var(--muted); }
.principles h2 { margin-top: 42px; }
.principles p { color: var(--muted); font-size: 14px; }
.flash { position: fixed; z-index: 20; top: 92px; left: 50%; transform: translateX(-50%); padding: 14px 20px; background: var(--ink); color: var(--white); box-shadow: 8px 8px 0 rgba(23,32,25,.18); max-width: calc(100% - 32px); font-size: 13px; animation: drop .35s ease both; }
.flash.error { background: var(--danger); }
.panel { background: rgba(251,251,247,.78); border: 1px solid var(--line); padding: 30px; }
.auth-shell { min-height: 690px; display: grid; grid-template-columns: 1fr 460px; gap: 10vw; align-items: center; padding: 65px 7vw; }
.auth-intro p { color: var(--muted); max-width: 500px; }
.auth-form { box-shadow: 12px 12px 0 var(--sage); }
label { display: grid; gap: 9px; margin-bottom: 20px; font-size: 12px; font-weight: 700; }
input, select { width: 100%; min-height: 51px; border: 1px solid #bcc0b8; background: var(--white); border-radius: 2px; padding: 0 14px; outline: none; }
textarea { width: 100%; border: 1px solid #bcc0b8; background: var(--white); border-radius: 2px; padding: 14px; outline: none; resize: vertical; font: inherit; line-height: 1.6; }
input:focus, select:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(23,32,25,.08); }
textarea:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(23,32,25,.08); }
input[type=file] { padding: 13px; }
.form-note { text-align: center; margin: 22px 0 0; font-size: 12px; }
.form-note a { text-decoration: underline; }
.page-head { padding: 70px 0 40px; display: flex; justify-content: space-between; align-items: end; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(39px, 5vw, 66px); margin-bottom: 9px; }
.page-head p { margin: 0; color: var(--muted); }
.page-head.compact { padding: 52px 0 26px; align-items: center; }
.page-head.compact h1 { font-size: clamp(36px, 4vw, 56px); margin: 0; }
.head-actions { display: flex; gap: 10px; }
.back { display: block; margin-bottom: 34px; font-size: 12px; color: var(--muted); }
.empty { text-align: center; margin: 60px auto; max-width: 680px; padding: 70px 30px; }
.empty-mark { width: 72px; height: 72px; display: grid; place-items: center; margin: 0 auto 28px; border: 1px solid var(--ink); font: 38px var(--mono); }
.empty p { color: var(--muted); }
.switch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 35px 0; }
.switch-card { background: var(--white); border: 1px solid var(--line); padding: 25px; min-height: 290px; display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.switch-card:hover { transform: translateY(-4px); box-shadow: 8px 8px 0 var(--sage); }
.card-top, .card-meta { display: flex; justify-content: space-between; align-items: center; }
.switch-card h2 { margin: 36px 0 auto; font-size: 26px; }
.due span, .due strong { display: block; }
.due span { color: var(--muted); font-size: 11px; }
.due strong { margin-top: 6px; font: 500 13px var(--mono); }
.card-meta { border-top: 1px solid var(--line); margin-top: 22px; padding-top: 16px; color: var(--muted); font-size: 11px; }
.status { display: inline-flex; padding: 7px 9px; background: #e4e6df; font: 500 9px var(--mono); letter-spacing: .09em; }
.status-active { background: var(--acid); }
.status-warning, .status-trusted_pending { background: var(--warning); }
.status-released, .status-cancelled { background: #e7b3ad; }
.status-consumed { background: #d9e8d5; }
.status-expired, .status-revoked { background: #e4e6df; color: var(--muted); }
.form-layout { max-width: 930px; margin: 34px auto; }
.form-section { display: grid; grid-template-columns: 70px 1fr; margin-bottom: 16px; padding: 36px; }
.section-number { font: 12px var(--mono); color: var(--muted); }
.form-section h2 { font-size: 27px; margin-bottom: 6px; }
.form-section .muted { font-size: 13px; margin-bottom: 28px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.submit-row { display: flex; justify-content: flex-end; gap: 12px; padding-top: 12px; }
.secret-box { background: var(--ink); color: var(--white); padding: 24px 30px; margin-top: 25px; display: grid; grid-template-columns: 1fr 1.4fr; align-items: center; gap: 30px; }
.secret-box p { margin: 5px 0 0; color: #aeb7af; font-size: 12px; }
.copy-row { display: flex; }
.copy-row input { border: 0; font: 11px var(--mono); }
.copy-row .button { border-color: var(--white); border-radius: 0; }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 20px; padding: 25px 0; }
.main-column { display: grid; gap: 20px; }
aside { display: flex; flex-direction: column; gap: 20px; }
.heartbeat { background: var(--ink); color: var(--white); }
.heartbeat-top { display: flex; justify-content: space-between; align-items: center; }
.heartbeat-top strong { display: block; font-size: 34px; letter-spacing: -.04em; }
.heartbeat .eyebrow { color: #aeb7af; }
.pulse { width: 76px; height: 76px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; display: grid; place-items: center; }
.pulse i { width: 15px; height: 15px; background: var(--acid); border-radius: 50%; animation: pulse 2s infinite; }
.action-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 35px; }
.heartbeat .button.primary { background: var(--acid); color: var(--ink); border-color: var(--acid); }
.heartbeat .button.ghost { color: var(--white); border-color: rgba(255,255,255,.35); }
.panel-head { display: flex; align-items: start; justify-content: space-between; border-bottom: 1px solid var(--line); margin-bottom: 22px; }
.panel-head h2 { margin-bottom: 20px; }
.panel-head > span { color: var(--muted); font: 10px var(--mono); }
.upload-box { border: 1px dashed #aeb3aa; padding: 14px; display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: end; }
.upload-box label { margin: 0; }
.file-list { margin-top: 18px; }
.file-row { display: grid; grid-template-columns: 48px 1fr auto; gap: 14px; align-items: center; border-top: 1px solid var(--line); padding: 14px 0; }
.file-icon { width: 42px; height: 42px; background: #e5e6df; display: grid; place-items: center; font: 9px var(--mono); }
.file-row strong, .file-row span { display: block; }
.file-row strong { font-size: 13px; }
.file-row span { color: var(--muted); font-size: 10px; margin-top: 4px; }
.icon-button { border: 0; background: none; font-size: 24px; cursor: pointer; }
.timeline > div { display: grid; grid-template-columns: 12px 1fr auto; gap: 12px; align-items: center; min-height: 38px; font-size: 12px; }
.timeline i { width: 6px; height: 6px; background: var(--sage); border-radius: 50%; }
.timeline time { color: var(--muted); font: 10px var(--mono); }
.facts dl { margin: 0; }
.facts dl div { border-top: 1px solid var(--line); padding: 15px 0; display: flex; justify-content: space-between; }
.facts dt { color: var(--muted); font-size: 11px; }
.facts dd { margin: 0; font-size: 12px; font-weight: 700; text-align: right; }
.trusted-card { text-align: center; }
.trusted-card .eyebrow { text-align: left; }
.shield { font: 58px var(--serif); margin: 25px 0 15px; }
.trusted-card h2 { margin-bottom: 6px; }
.trusted-card p { color: var(--muted); font-size: 11px; line-height: 1.5; }
.verification { display: inline-flex; margin-top: 12px; padding: 7px 10px; background: #eee0bd; font: 9px var(--mono); }
.verification.ok { background: #d9e8d5; }
.public-page main { display: grid; place-items: center; min-height: calc(100vh - 150px); }
.public-page footer { margin-top: 0; }
.public-action { max-width: 680px; margin: 70px auto; text-align: center; }
.public-action.wide { max-width: 840px; }
.public-action h1 { font-size: clamp(42px, 6vw, 70px); }
.public-action > p { max-width: 620px; margin: 0 auto 30px; color: var(--muted); }
.public-action small { display: block; margin-top: 20px; color: var(--muted); }
.public-symbol { width: 78px; height: 78px; display: grid; place-items: center; margin: 0 auto 35px; border: 1px solid var(--ink); transform: rotate(45deg); }
.public-symbol i { width: 16px; height: 16px; background: var(--acid); border: 1px solid var(--ink); border-radius: 50%; }
.shield-symbol, .warning-symbol { transform: none; font: 42px var(--serif); }
.warning-symbol { color: var(--danger); font-family: var(--mono); }
.decision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 35px; }
.decision-grid form { display: flex; }
.decision { flex: 1; min-height: 160px; padding: 22px; text-align: left; background: var(--white); border: 1px solid var(--line); cursor: pointer; }
.decision:hover { border-color: var(--ink); }
.decision strong, .decision span { display: block; }
.decision span { color: var(--muted); font-size: 11px; line-height: 1.5; margin-top: 10px; }
.decision.danger { border-color: #d3a49f; }
.delivery-list { display: grid; gap: 10px; text-align: left; }
.delivery-list a { padding: 20px; background: var(--white); border: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; font-size: 13px; }
.delivery-list strong { font-size: 11px; }
.danger-text { color: var(--danger); }
.zero-badge { align-self: center; padding: 10px 13px; border: 1px solid var(--ink); font: 10px var(--mono); letter-spacing: .08em; background: var(--acid); }
.crypto-workbench { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 22px; padding: 28px 0; align-items: start; }
.crypto-form { padding: 0; overflow: hidden; }
.crypto-step { padding: 34px 38px; border-bottom: 1px solid var(--line); }
.crypto-step > span { display: block; margin-bottom: 20px; color: var(--muted); font: 10px var(--mono); letter-spacing: .1em; }
.crypto-step h2 { font-size: 27px; margin-bottom: 26px; }
.crypto-step label small { display: block; color: var(--muted); font-weight: 400; margin-top: 5px; line-height: 1.5; }
.file-drop { border: 1px dashed #aeb3aa; min-height: 80px; padding: 16px; grid-template-columns: 1fr; cursor: pointer; }
.file-drop input { border: 0; padding: 0; min-height: auto; background: transparent; }
.selected-files { display: flex; flex-wrap: wrap; gap: 7px; }
.selected-files span { padding: 7px 9px; background: #e5e7df; font: 9px var(--mono); }
.toggle-label { min-height: 72px; grid-template-columns: 20px 1fr; align-items: start; padding: 13px; border: 1px solid #bcc0b8; background: var(--white); }
.toggle-label input { width: 17px; min-height: 17px; margin: 2px 0 0; accent-color: var(--ink); }
.toggle-label strong, .toggle-label small { display: block; }
.crypto-submit { padding: 24px 38px; display: flex; justify-content: space-between; align-items: center; gap: 20px; background: #e8e8e1; }
.crypto-progress { display: flex; align-items: center; gap: 10px; color: var(--muted); font: 10px var(--mono); }
.crypto-progress i { width: 8px; height: 8px; background: var(--acid); border: 1px solid var(--ink); border-radius: 50%; }
.crypto-aside { display: grid; grid-template-columns: 1fr; }
.crypto-aside .panel code { display: block; padding: 15px; background: var(--ink); color: var(--acid); line-height: 1.8; font: 11px var(--mono); overflow: hidden; }
.crypto-aside .panel p { color: var(--muted); font-size: 11px; margin: 18px 0 0; }
.cipher-visual { aspect-ratio: 1; background: var(--ink); color: var(--white); display: grid; place-items: center; align-content: center; gap: 30px; }
.cipher-visual > span { font: 10px var(--mono); letter-spacing: .16em; }
.cipher-orbit { width: 130px; height: 130px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; display: grid; place-items: center; position: relative; }
.cipher-orbit::before, .cipher-orbit::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.13); border-radius: 50%; }
.cipher-orbit::before { inset: 14px; }
.cipher-orbit::after { inset: 30px; }
.cipher-orbit i { width: 18px; height: 18px; background: var(--acid); transform: rotate(45deg); animation: pulse 2s infinite; }
.share-result { max-width: 840px; margin: 30px auto 60px; padding: 42px; box-shadow: 12px 12px 0 var(--sage); }
.share-result h2 { font-size: 34px; }
.share-result > p { color: var(--muted); font-size: 13px; }
.share-result .copy-row { margin: 25px 0 15px; }
.share-warning { padding: 13px; margin-bottom: 20px; background: #fff0c9; border-left: 3px solid var(--warning); font-size: 12px; }
.message-ledger { padding: 28px 0 60px; }
.ledger-head, .ledger-row { display: grid; grid-template-columns: 1fr 1fr 1.25fr 1fr .7fr; gap: 18px; align-items: center; padding: 15px 20px; }
.ledger-head { font: 9px var(--mono); letter-spacing: .1em; color: var(--muted); }
.ledger-row { min-height: 68px; background: var(--white); border: 1px solid var(--line); border-bottom: 0; font-size: 12px; }
.ledger-row:last-child { border-bottom: 1px solid var(--line); }
.ledger-row code { font: 11px var(--mono); }
.ledger-row time { color: var(--muted); }
.secure-message-page main { min-height: calc(100vh - 150px); }
.secure-reader { width: min(980px, 100%); display: grid; grid-template-columns: 330px 1fr; align-items: stretch; margin: 55px auto; border: 1px solid var(--line); background: var(--white); min-height: 510px; }
.reader-seal { background: var(--ink); color: var(--white); display: grid; place-items: center; align-content: center; gap: 40px; }
.reader-seal > span { font: 10px var(--mono); letter-spacing: .15em; }
.seal-ring { width: 170px; height: 170px; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; display: grid; place-items: center; position: relative; }
.seal-ring::before, .seal-ring::after { content: ""; position: absolute; border: 1px dashed rgba(255,255,255,.17); border-radius: 50%; }
.seal-ring::before { inset: 15px; }
.seal-ring::after { inset: 34px; }
.seal-ring i { width: 29px; height: 29px; display: block; background: var(--acid); transform: rotate(45deg); }
.reader-copy { padding: 60px; align-self: center; }
.reader-copy h1 { font-size: clamp(40px, 5vw, 62px); }
.reader-copy p { color: var(--muted); max-width: 570px; }
.reader-password { max-width: 420px; margin-top: 25px; }
.reader-status { margin-top: 17px; color: var(--muted); font: 10px var(--mono); }
.revealed-message { border: 0; padding: 55px; overflow: hidden; }
.message-text { white-space: pre-wrap; font-size: 17px; line-height: 1.8; overflow-wrap: anywhere; padding-bottom: 30px; }
.message-attachments { display: grid; gap: 8px; border-top: 1px solid var(--line); padding-top: 20px; }
.message-attachments:empty { display: none; }
.message-attachments a { padding: 14px 16px; background: #e8e9e2; display: flex; justify-content: space-between; gap: 15px; }
.message-attachments strong, .message-attachments span { font-size: 11px; }
.message-attachments span { color: var(--muted); }
.burn-notice { margin-top: 25px; padding: 15px; background: var(--ink); color: var(--acid); font: 10px var(--mono); line-height: 1.5; }
.alert { padding: 18px; background: var(--white); border-left: 4px solid var(--danger); }
.narrow { max-width: 760px; margin: 60px auto; }

@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes drop { from { opacity: 0; transform: translate(-50%, -12px); } to { opacity: 1; transform: translate(-50%, 0); } }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(217,255,82,.4); } 50% { box-shadow: 0 0 0 14px rgba(217,255,82,0); } }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 70px 0; }
  .signal-card { max-width: 480px; width: 100%; margin: 0 auto; }
  .auth-shell { grid-template-columns: 1fr; gap: 30px; padding: 60px 0; }
  .switch-grid { grid-template-columns: 1fr 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .crypto-workbench { grid-template-columns: 1fr; }
  .crypto-aside { grid-template-columns: 1fr 1fr; }
  aside { display: grid; grid-template-columns: 1fr 1fr; }
  .secret-box { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  main, footer { width: min(100% - 28px, 1240px); }
  .topbar { height: 66px; padding: 0 14px; }
  .topbar nav { gap: 14px; }
  .user-name { display: none; }
  .brand { font-size: 11px; }
  .hero { min-height: auto; padding: 55px 0; }
  .hero h1 { font-size: 49px; }
  .hero-actions { flex-direction: column; }
  .signal-card { min-height: 440px; box-shadow: 8px 8px 0 var(--sage); }
  .principles { grid-template-columns: 1fr; }
  .principles article, .principles article + article { padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .principles h2 { margin-top: 20px; }
  .page-head { align-items: start; gap: 20px; flex-direction: column; padding-top: 44px; }
  .page-head .button { width: 100%; }
  .head-actions { width: 100%; flex-direction: column; }
  .switch-grid, .field-grid, aside, .decision-grid { grid-template-columns: 1fr; }
  .form-section { grid-template-columns: 1fr; gap: 18px; padding: 24px 18px; }
  .submit-row { flex-direction: column-reverse; }
  .submit-row .button { width: 100%; }
  .panel { padding: 20px; }
  .heartbeat-top strong { font-size: 25px; }
  .pulse { width: 54px; height: 54px; }
  .action-row form, .action-row button { width: 100%; }
  .upload-box { grid-template-columns: 1fr; }
  .copy-row { display: grid; }
  .crypto-step, .crypto-submit { padding: 25px 18px; }
  .crypto-submit { align-items: stretch; flex-direction: column; }
  .crypto-submit .button { width: 100%; }
  .crypto-aside { grid-template-columns: 1fr; }
  .ledger-head { display: none; }
  .ledger-row { grid-template-columns: 1fr 1fr; gap: 12px; }
  .secure-reader { grid-template-columns: 1fr; margin: 25px auto; }
  .reader-seal { min-height: 230px; }
  .seal-ring { width: 120px; height: 120px; }
  .reader-copy, .revealed-message { padding: 32px 20px; }
  .timeline time { display: none; }
  footer { flex-direction: column; align-items: start; justify-content: center; gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}