/* Layout: an editorial product page on Claude ivory. Serif headlines, photo plates, one dark band for 安全. Single light look by design. */
:root {
  --ivory: #faf9f5;      /* page */
  --pampas: #f0eee6;     /* quiet bands, plates */
  --line: #e8e6dc;       /* rules, borders */
  --cloudy: #b0aea5;     /* muted marks */
  --ink: #141413;        /* text, dark band */
  --ink-2: #5e5d59;      /* secondary text */
  --clay: #d97757;       /* accent */
  --crail: #c15f3c;      /* accent for small text on ivory */
  --blue: #6a9bcc;
  --green: #788c5d;
  --night-2: #262624;    /* raised surface in the dark band */
  --night-line: #3d3d3a;
  --display: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --step--1: 0.8125rem;
  --step-0: 1rem;
  --step-1: 1.125rem;
  --step-2: 1.375rem;
  --step-3: clamp(1.625rem, 1.2rem + 1.6vw, 2.25rem);
  --step-4: clamp(2.125rem, 1.4rem + 3vw, 3.5rem);
  --radius: 14px;
  --max: 1160px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(72px + env(safe-area-inset-top, 0px)); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--step-0);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px);
  z-index: 10; background: var(--ivory);
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; border-radius: 4px; }

.wrap {
  width: 100%;
  max-width: calc(var(--max) + 2 * 32px);
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 720px) {
  .wrap {
    padding-left: max(32px, env(safe-area-inset-left, 0px));
    padding-right: max(32px, env(safe-area-inset-right, 0px));
  }
}
section { padding-block: clamp(64px, 8vw, 112px); }
.band { background: var(--pampas); }

h1, h2, h3 { font-family: var(--display); font-weight: 600; text-wrap: pretty; margin: 0; }
h1 { font-size: var(--step-4); line-height: 1.22; letter-spacing: 0.01em; }
h2 { font-size: var(--step-3); line-height: 1.3; }
h3 { font-size: var(--step-2); line-height: 1.4; }
p { margin: 0; }
.eyebrow {
  font-size: var(--step--1); font-weight: 700; letter-spacing: 0.12em;
  color: var(--crail);
}
.lead { font-size: var(--step-1); color: var(--ink-2); max-width: 38em; }
.muted { color: var(--ink-2); }
.note { font-size: var(--step--1); color: var(--ink-2); }
.head { display: grid; gap: 14px; margin-bottom: clamp(32px, 4vw, 52px); max-width: 46em; }

/* Header */
.site-head {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: color-mix(in srgb, var(--ivory) 92%, transparent);
  backdrop-filter: saturate(1.2) blur(10px);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.brand img { width: 26px; }
.brand b { font-size: 1.0625rem; letter-spacing: 0.02em; }
.brand span { color: var(--ink-2); font-size: 0.875rem; padding-left: 10px; border-left: 1px solid var(--line); }
.nav { display: flex; gap: 22px; margin-left: auto; font-size: 0.9375rem; }
.nav a { text-decoration: none; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 20px; border-radius: 999px;
  font: 500 0.9375rem/1 var(--body); text-decoration: none; white-space: nowrap;
  transition: background-color .2s, color .2s, border-color .2s;
}
.btn-primary { background: var(--ink); color: var(--ivory); }
.btn-primary:hover { background: var(--crail); }
.btn-ghost { border: 1px solid var(--cloudy); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); }
.site-head .btn { min-height: 38px; padding: 0 16px; }
@media (max-width: 900px) { .nav { display: none; } .site-head .btn { margin-left: auto; } }
@media (max-width: 420px) { .brand span { display: none; } }

/* Hero */
.hero { padding-block: clamp(40px, 6vw, 88px) clamp(56px, 7vw, 96px); }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-text { display: grid; gap: 24px; min-width: 0; }
.hero h1 .accent { color: var(--crail); }
.hero .lead { max-width: 30em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px 18px; padding-top: 8px; border-top: 1px solid var(--line); }
.chips li { list-style: none; font-size: 0.875rem; color: var(--ink-2); display: flex; align-items: center; gap: 8px; }
.chips li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--clay); }
.chips { margin: 8px 0 0; padding-left: 0; padding-top: 18px; }
.hero-img { border-radius: 22px; overflow: hidden; background: var(--pampas); }
.hero-img img { width: 100%; aspect-ratio: 1160 / 950; object-fit: cover; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } }

/* Why */
.pains { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--ink); }
.pain { padding: 22px 22px 8px 0; display: grid; gap: 8px; align-content: start; min-width: 0; }
.pain + .pain { padding-left: 22px; border-left: 1px solid var(--line); }
.pain h3 { font-size: var(--step-1); }
.pain p { color: var(--ink-2); font-size: 0.9375rem; }
.verdict {
  margin-top: clamp(40px, 5vw, 64px);
  font-family: var(--display); font-weight: 500; font-size: var(--step-2); line-height: 1.6;
  max-width: 30em;
}
.verdict em { font-style: normal; color: var(--crail); }
@media (max-width: 860px) {
  .pains { grid-template-columns: 1fr 1fr; }
  .pain:nth-child(3) { padding-left: 0; border-left: 0; }
  .pain:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 520px) {
  .pains { grid-template-columns: 1fr; }
  .pain + .pain { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
}


.verdict-big { margin-top: clamp(48px, 6vw, 80px); text-align: center; font-family: var(--display); font-weight: 600; font-size: var(--step-2); line-height: 1.5; color: var(--ink); text-wrap: balance; }
.verdict-big em { display: block; margin-top: 10px; font-style: normal; font-size: var(--step-4); line-height: 1.25; color: var(--crail); }
/* How */
.flow-photo { border-radius: var(--radius); overflow: hidden; background: var(--pampas); }
.flow-photo img { width: 100%; aspect-ratio: 1600 / 425; object-fit: cover; }
.flow-caps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 14px; font-size: 0.875rem; color: var(--ink-2); text-align: center; }
.flow-caps b { color: var(--ink); font-weight: 500; }

.diagram {
  margin-top: clamp(40px, 5vw, 64px);
  display: grid; grid-template-columns: 1fr auto 1fr auto 1.15fr; align-items: stretch; gap: 0;
}
.node { border: 1px solid var(--line); border-radius: var(--radius); background: var(--ivory); padding: 22px; display: grid; gap: 12px; align-content: start; min-width: 0; }
.node .label { font-size: var(--step--1); font-weight: 700; letter-spacing: 0.1em; color: var(--ink-2); }
.node ul { margin: 0; padding: 0; display: grid; gap: 8px; }
.node li { list-style: none; padding: 10px 14px; border-radius: 10px; background: var(--pampas); font-size: 0.9375rem; }
.node li small { display: block; color: var(--ink-2); font-size: 0.8125rem; }
.node.gate { border: 2px solid var(--clay); background: color-mix(in srgb, var(--clay) 8%, var(--ivory)); }
.node.gate li { background: transparent; padding: 0 0 0 18px; position: relative; }
.node.gate li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 8px; height: 2px; background: var(--clay); }
.node.box { border-color: var(--ink); }
.arrow { display: grid; place-items: center; padding: 0 10px; color: var(--ink-2); font-size: 0.8125rem; text-align: center; gap: 4px; }
.arrow svg { width: 40px; height: 14px; }
.writeback {
  grid-column: 1 / -1; margin-top: 14px; display: flex; align-items: center; gap: 12px;
  font-size: 0.875rem; color: var(--ink-2); justify-content: center;
}
.writeback::before, .writeback::after { content: ""; flex: 1; height: 1px; background: var(--cloudy); max-width: 220px; }
.network {
  grid-column: 1 / -1; margin-top: 14px; padding: 14px 18px; border-radius: var(--radius);
  background: var(--ink); color: var(--ivory); font-size: 0.9375rem; text-align: center;
}
.network b { color: var(--clay); font-weight: 500; }
@media (max-width: 860px) {
  .diagram { grid-template-columns: 1fr; }
  .arrow { padding: 10px 0; }
  .arrow svg { transform: rotate(90deg); }
  .flow-caps { display: none; }
}

.duties { margin-top: clamp(40px, 5vw, 64px); display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.duty { display: grid; gap: 6px; align-content: start; padding-top: 14px; border-top: 2px solid var(--ink); min-width: 0; }
.duty b { font-family: var(--display); font-size: var(--step-1); font-weight: 600; }
.duty span { font-size: 0.875rem; color: var(--ink-2); }
@media (max-width: 860px) { .duties { grid-template-columns: 1fr 1fr; } }
@media (max-width: 420px) { .duties { grid-template-columns: 1fr; } }


/* How: the drawn diagram (wide screens); the card version below stays for narrow screens */
.diagram-graphic { margin: clamp(40px, 5vw, 64px) 0 0; }
.diagram-graphic svg { display: block; width: 100%; height: auto; font-family: var(--body); }
.diagram-graphic .t-name { font-size: 15px; font-weight: 600; fill: var(--ink); }
.diagram-graphic .t-sub { font-size: 12.5px; fill: var(--ink-2); }
.diagram-graphic .t-head { font-size: 13px; font-weight: 700; letter-spacing: 0.1em; fill: var(--ink-2); }
.diagram-graphic .t-edge { font-size: 12.5px; fill: var(--ink-2); }
.diagram-graphic .t-gate { font-size: 13.5px; fill: var(--ink); }
.diagram { display: none; }
@media (max-width: 999px) { .diagram-graphic { display: none; } .diagram { display: grid; } }

/* Promises */
.promises { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.promise { background: var(--ivory); border: 1px solid var(--line); border-radius: 18px; display: grid; grid-template-rows: auto 1fr; overflow: hidden; min-width: 0; }
.promise .art { margin: 12px 12px 0; border-radius: 12px; background: var(--pampas); }
.promise .art svg { display: block; width: 100%; height: auto; font-family: var(--body); }
.promise .copy { padding: 18px 20px 22px; display: grid; gap: 8px; align-content: start; }
.promise h3 { font-size: var(--step-2); }
.promise .copy p { font-size: 0.9375rem; line-height: 1.65; }
.promise .num { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; color: var(--crail); }
.promise p { color: var(--ink-2); }
.promise .demo-link { font-size: 0.9375rem; color: var(--crail); font-weight: 500; text-decoration: none; }
.promise .demo-link:hover { text-decoration: underline; }
.exhibit { margin-top: 6px; border-radius: 12px; background: var(--pampas); padding: 16px; font-size: 0.875rem; min-width: 0; }
.exhibit .cap { display: flex; justify-content: space-between; gap: 12px; font-size: 0.75rem; color: var(--ink-2); letter-spacing: 0.06em; margin-bottom: 10px; }
.stack { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.stack span { padding: 6px 12px; border-radius: 999px; background: var(--ivory); border: 1px solid var(--line); }
.stack .to { border: 0; background: none; color: var(--ink-2); padding: 0 2px; }
.stack .home { background: var(--ink); color: var(--ivory); border-color: var(--ink); }
.log-wrap { overflow-x: auto; }
.log { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; min-width: 420px; }
.log th { text-align: left; font-weight: 500; color: var(--ink-2); font-size: 0.75rem; padding: 0 8px 6px 0; }
.log td { padding: 7px 8px 7px 0; border-top: 1px solid var(--line); vertical-align: top; }
.tag { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 0.75rem; white-space: nowrap; }
.tag.ok { background: color-mix(in srgb, var(--green) 16%, var(--ivory)); color: #4f5f3a; }
.tag.wait { background: color-mix(in srgb, var(--clay) 18%, var(--ivory)); color: #9a4526; }
.qa-mini { display: grid; gap: 8px; }
.qa-mini .q { font-weight: 500; }
.qa-mini .a { color: var(--ink); }
.qa-mini .src { display: flex; flex-wrap: wrap; gap: 6px; }
.qa-mini .src span { font-size: 0.75rem; padding: 2px 9px; border-radius: 6px; background: var(--ivory); border: 1px solid var(--line); color: var(--ink-2); }
@media (max-width: 1000px) { .promises { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .promises { grid-template-columns: 1fr; } }

/* Demo */
.steps3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: s; }
.scene { border-radius: 18px; background: var(--ivory); border: 1px solid var(--line); padding: 22px; display: grid; gap: 14px; align-content: start; min-width: 0; }
.scene .when { display: flex; justify-content: space-between; gap: 10px; font-size: 0.8125rem; color: var(--ink-2); }
.scene .when b { color: var(--ink); font-weight: 500; }
.scene h3 { font-size: var(--step-1); }
.chat { display: grid; gap: 8px; }
.bubble { padding: 10px 14px; border-radius: 14px; font-size: 0.9375rem; line-height: 1.6; max-width: 92%; }
.bubble.me { justify-self: end; background: var(--ink); color: var(--ivory); border-bottom-right-radius: 4px; }
.bubble.ai { justify-self: start; background: var(--pampas); border-bottom-left-radius: 4px; }
.bubble .who { display: block; font-size: 0.75rem; opacity: 0.7; margin-bottom: 2px; }
.status { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 10px; font-size: 0.8125rem; line-height: 1.55; border: 1px dashed var(--cloudy); }
.status i { flex: none; width: 8px; height: 8px; border-radius: 50%; margin-top: 0.5em; background: var(--green); }
.status.del i { background: var(--clay); }
.status code { font-family: var(--body); background: var(--pampas); padding: 0 6px; border-radius: 4px; }
.demo-note { margin-top: 22px; }
@media (max-width: 960px) { .steps3 { grid-template-columns: 1fr; max-width: 560px; } }

/* Apps */
.apps { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.app { display: grid; grid-template-rows: auto 1fr; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; background: var(--ivory); min-width: 0; }
.poster { aspect-ratio: 3 / 2; background: var(--pampas); }
.poster img { width: 100%; height: 100%; object-fit: cover; }
.poster.duo { position: relative; }
.poster.duo .inset { position: absolute; top: 4%; right: 3%; width: 40%; height: auto; aspect-ratio: 3 / 2; border-radius: 10px; border: 2px solid var(--ivory); box-shadow: 0 8px 22px rgba(20, 20, 19, 0.18); }
.app-body { padding: 20px 24px 24px; display: grid; gap: 12px; align-content: start; }
.app-head { display: flex; align-items: center; gap: 14px; }
.app-head .icon { width: 52px; height: 52px; flex: none; }
.app-head .icons { display: flex; flex: none; }
.app-head .icons .icon + .icon { margin-left: -12px; }
.app-head h3 { font-size: var(--step-2); }
.app .kind { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; color: var(--crail); }
.app p { color: var(--ink-2); font-size: 0.9375rem; }
.apps-foot { margin-top: 36px; display: grid; gap: 6px; }
@media (max-width: 760px) { .apps { grid-template-columns: 1fr; } }

/* Security: the dark band */
.night { background: var(--ink); color: var(--ivory); }
.night .eyebrow { color: var(--clay); }
.night .lead { color: var(--cloudy); }
.faq { max-width: 860px; border-bottom: 1px solid var(--night-line); }
.faq details { border-top: 1px solid var(--night-line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 0; font-size: var(--step-1); font-weight: 500; color: var(--ivory); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 12px; height: 12px; background: linear-gradient(var(--clay), var(--clay)) center / 12px 2px no-repeat, linear-gradient(var(--clay), var(--clay)) center / 2px 12px no-repeat; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { color: var(--clay); }
.faq details p { padding: 0 32px 18px 0; color: var(--cloudy); font-size: 0.9375rem; max-width: 46em; }
.faq p b { color: var(--ivory); font-weight: 500; }
@media (prefers-reduced-motion: reduce) { .faq summary::after { transition: none; } }

/* Products */
.products { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.product { border: 1px solid var(--line); border-radius: 22px; overflow: hidden; display: grid; grid-template-rows: auto 1fr; background: var(--ivory); min-width: 0; }
.plate { background: var(--pampas); aspect-ratio: 3 / 2; position: relative; }
.plate img { width: 100%; height: 100%; object-fit: cover; }
.plate .use { position: absolute; left: 14px; bottom: 14px; padding: 4px 12px; border-radius: 999px; background: color-mix(in srgb, var(--ivory) 90%, transparent); color: var(--ink); font-size: 0.8125rem; font-weight: 500; }
.product .body { padding: clamp(22px, 3vw, 32px); display: grid; gap: 12px; align-content: start; border-top: 1px solid var(--line); }
.product .who { font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.1em; color: var(--crail); }
.product ul { margin: 4px 0 0; padding: 0; display: grid; gap: 8px; }
.product li { list-style: none; padding-left: 18px; position: relative; color: var(--ink-2); font-size: 0.9375rem; }
.product li::before { content: ""; position: absolute; left: 0; top: 0.75em; width: 8px; height: 2px; background: var(--clay); }
.product li b { color: var(--ink); font-weight: 500; }
@media (max-width: 860px) { .products { grid-template-columns: 1fr; } }

/* Start */
.start { display: grid; grid-template-columns: 1fr 0.9fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.start ol { margin: 0; padding: 0; display: grid; gap: 0; counter-reset: step; }
.start li { list-style: none; counter-increment: step; display: grid; grid-template-columns: 44px 1fr; gap: 4px 12px; padding: 18px 0; border-top: 1px solid var(--line); }
.start li::before { content: counter(step); grid-row: span 2; font-family: var(--display); font-size: var(--step-2); color: var(--crail); line-height: 1.3; }
.start li b { font-weight: 500; }
.start li span { color: var(--ink-2); font-size: 0.9375rem; }
.start-img { border-radius: 22px; overflow: hidden; background: var(--pampas); }
.start-img img { width: 100%; aspect-ratio: 975 / 1080; object-fit: cover; }
@media (max-width: 860px) { .start { grid-template-columns: 1fr; } .start-img { max-width: 480px; } }

/* Contact */
.contact .wrap { display: grid; gap: 22px; justify-items: start; }
.contact h2 { font-size: var(--step-4); line-height: 1.25; }
.contact .company { font-size: 0.9375rem; color: var(--ink-2); }


/* Builder */
.beta { display: inline-block; margin-left: 10px; padding: 1px 9px; border-radius: 999px; border: 1px solid var(--crail); color: var(--crail); font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.08em; line-height: 1.6; vertical-align: 1px; }
.build-photo { border-radius: var(--radius); overflow: hidden; background: var(--pampas); }
.build-photo img { width: 100%; aspect-ratio: 1920 / 394; object-fit: cover; }
.build-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 18px 0 0; padding: 0; counter-reset: b; }
.build-steps li { list-style: none; counter-increment: b; display: grid; gap: 6px; align-content: start; min-width: 0; }
.build-steps li::before { content: "0" counter(b); font-family: var(--display); color: var(--crail); font-size: var(--step-1); }
.build-steps b { font-family: var(--display); font-size: var(--step-1); font-weight: 600; }
.build-steps span { color: var(--ink-2); font-size: 0.9375rem; }
.uses { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 10px 12px; align-items: center; }
.uses .label { font-size: 0.875rem; color: var(--ink-2); margin-right: 4px; }
.uses span:not(.label) { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--pampas); font-size: 0.875rem; }
.own { margin-top: 28px; font-family: var(--display); font-size: var(--step-2); line-height: 1.6; max-width: 32em; }
.own em { font-style: normal; color: var(--crail); }
.course { margin-top: clamp(40px, 5vw, 64px); display: grid; grid-template-columns: 0.9fr 1.1fr; border: 1px solid var(--line); border-radius: 22px; overflow: hidden; background: var(--pampas); }
.course-img { background: var(--pampas); }
.course-img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 650 / 585; }
.course-text { padding: clamp(24px, 4vw, 48px); display: grid; gap: 14px; align-content: center; min-width: 0; }
.course-text ul { margin: 6px 0 0; padding: 0; display: grid; gap: 10px; }
.course-text li { list-style: none; display: grid; grid-template-columns: 6em 1fr; gap: 12px; font-size: 0.9375rem; padding-top: 10px; border-top: 1px solid var(--line); }
.course-text li b { font-weight: 500; }
.course-text li span { color: var(--ink-2); }
@media (max-width: 960px) { .build-steps { grid-template-columns: 1fr 1fr; row-gap: 28px; } }
@media (max-width: 860px) { .course { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .build-steps { grid-template-columns: 1fr; } .course-text li { grid-template-columns: 1fr; gap: 2px; } }

/* User stories */
.story .head { max-width: 50em; }
.story-tag { display: inline-flex; align-items: center; gap: 8px; justify-self: start; padding: 3px 12px; border-radius: 999px; border: 1px dashed var(--cloudy); font-size: 0.75rem; color: var(--ink-2); letter-spacing: 0.06em; }
.story-tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--clay); }
.beats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; position: relative; margin: 0; padding: 0; }
.beats::before { content: ""; position: absolute; left: 0; right: 0; top: 40px; border-top: 2px dashed var(--clay); opacity: 0.55; }
.beat { list-style: none; position: relative; border-radius: 18px; background: var(--ivory); border: 1px solid var(--line); padding: 22px; display: grid; gap: 14px; align-content: start; min-width: 0; }
.story:not(.band) .beat { background: #ffffff; }
.beat .stamp { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.beat .stamp b { font-family: var(--display); font-size: var(--step-2); font-weight: 600; color: var(--crail); }
.beat .stamp span { font-size: 0.8125rem; color: var(--ink-2); }
.beat h3 { font-size: var(--step-1); }
.beat dl { margin: 0; display: grid; gap: 10px; }
.beat dl div { display: grid; gap: 2px; padding-left: 16px; position: relative; }
.beat dl div::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 8px; height: 8px; border-radius: 50%; }
.beat dl .in::before { background: var(--blue); }
.beat dl .ai::before { background: var(--clay); }
.beat dl .me::before { background: var(--ink); }
.beat dt { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; color: var(--ink-2); }
.beat dd { margin: 0; font-size: 0.9375rem; line-height: 1.65; }
.beat .me dd { font-weight: 500; }
.beat .saved { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; padding: 10px 12px; border-radius: 10px; border: 1px dashed var(--green); background: color-mix(in srgb, var(--green) 7%, transparent); font-size: 0.8125rem; }
.beat .saved em { font-style: normal; font-weight: 700; color: #4f5f3a; margin-right: 2px; }
.beat .saved span { padding: 1px 9px; border-radius: 6px; background: var(--ivory); border: 1px solid var(--line); }
.ledger { margin-top: 24px; display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 0; border-radius: 18px; overflow: hidden; border: 1px solid var(--ink); }
.ledger .loop-box { background: var(--ink); color: var(--ivory); padding: 24px 26px; display: grid; gap: 14px; align-content: center; }
.ledger .label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; color: var(--cloudy); }
.loop { margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 6px; }
.loop li { list-style: none; display: flex; align-items: center; gap: 6px; font-size: 0.875rem; }
.loop li span { padding: 5px 12px; border-radius: 999px; border: 1px solid var(--night-line); background: var(--night-2); }
.loop li:last-child span { border-color: var(--clay); color: var(--clay); }
.loop li + li::before { content: "→"; color: var(--cloudy); }
.loop-back { font-size: 0.875rem; color: var(--cloudy); }
.loop-back b { color: var(--clay); font-weight: 500; }
.ledger .kept { background: var(--ivory); padding: 24px 26px; display: grid; gap: 12px; align-content: center; }
.ledger .kept .label { color: var(--ink-2); }
.kept-list { margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.kept-list li { list-style: none; padding: 5px 12px; border-radius: 8px; background: var(--pampas); border: 1px solid var(--line); font-size: 0.875rem; }
.kept-list li.mine { background: var(--ink); color: var(--ivory); border-color: var(--ink); }
.kept .close { font-family: var(--display); font-size: var(--step-1); font-weight: 600; }
.kept .close em { font-style: normal; color: var(--crail); }
.story-note { margin-top: 16px; }
@media (max-width: 960px) {
  .beats { grid-template-columns: 1fr; max-width: 600px; }
  .beats::before { left: 30px; right: auto; top: 0; bottom: 0; border-top: 0; border-left: 2px dashed var(--clay); }
  .ledger { grid-template-columns: 1fr; }
}

/* ===== Presentation pass ===== */
.duty { border-top: 0; padding: 18px; border-radius: 16px; background: var(--pampas); gap: 8px; }
.duty .di { width: 40px; height: 40px; border-radius: 12px; background: var(--ivory); display: grid; place-items: center; margin-bottom: 4px; }
.duty .di svg { width: 22px; height: 22px; fill: none; stroke: var(--crail); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.stories-top { display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px 48px; align-items: end; margin-bottom: clamp(32px, 4vw, 52px); }
.stories-top .head { margin-bottom: 0; }
.stab { display: grid; gap: 10px; }
.stab button { display: flex; align-items: center; gap: 14px; text-align: left; padding: 12px 16px 12px 12px; border-radius: 16px; border: 1px solid var(--line); background: var(--ivory); cursor: pointer; font: inherit; color: var(--ink); transition: border-color .2s, box-shadow .2s, transform .2s; }
.stab button:hover { border-color: var(--cloudy); }
.stab button[aria-selected="true"] { border-color: var(--ink); box-shadow: 0 14px 30px -20px rgba(20, 20, 19, 0.5); transform: translateY(-2px); }
.stab .av { flex: none; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-family: var(--display); font-weight: 700; font-size: 18px; }
.stab b { display: block; font-family: var(--display); font-size: var(--step-1); }
.stab small { font-size: 0.875rem; color: var(--ink-2); }
.spanel { border-top: 1px solid var(--line); padding-top: clamp(28px, 4vw, 44px); }
.spanel > .head h2 { font-size: clamp(1.375rem, 1.1rem + 1vw, 1.875rem); }
.spanel.enter { animation: spin-in .6s cubic-bezier(.2,.7,.2,1) both; }
@keyframes spin-in { from { opacity: 0; transform: translateY(24px); } }
@media (max-width: 860px) { .stories-top { grid-template-columns: 1fr; } .stab { grid-template-columns: 1fr 1fr; } .stab small { display: none; } }
.band .course { background: var(--ivory); }
.sec-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(28px, 4vw, 64px); align-items: start; }
.safe { margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.safe li { list-style: none; display: grid; gap: 6px; align-content: start; padding: 18px; border-radius: 16px; background: var(--night-2); border: 1px solid var(--night-line); min-width: 0; }
.safe .si { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: rgba(217, 119, 87, 0.14); margin-bottom: 6px; }
.safe .si svg { width: 22px; height: 22px; fill: none; stroke: var(--clay); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.safe b { font-family: var(--display); font-size: var(--step-1); color: var(--ivory); font-weight: 600; }
.safe span:not(.si) { font-size: 0.875rem; color: var(--cloudy); line-height: 1.6; }
.sec-grid .faq { max-width: none; }
@media (max-width: 900px) { .sec-grid { grid-template-columns: 1fr; } }
@media (max-width: 420px) { .safe { grid-template-columns: 1fr; } }
.contact { background: radial-gradient(ellipse 60% 70% at 78% 55%, rgba(217, 119, 87, 0.16), transparent 70%), var(--ivory); overflow: hidden; }
.contact .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(24px, 4vw, 64px); align-items: center; justify-items: stretch; }
.cta-text { display: grid; gap: 20px; justify-items: start; min-width: 0; }
.cta-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.cta-chips li { list-style: none; padding: 5px 14px; border-radius: 999px; border: 1px solid var(--cloudy); font-size: 0.875rem; }
.cta-img img { width: 100%; filter: drop-shadow(0 34px 40px rgba(20, 20, 19, 0.2)); }
@media (max-width: 860px) { .contact .wrap { grid-template-columns: 1fr; } .cta-img { max-width: 420px; } }

/* Builder: contrast + routes */
.vs { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.vs-card { border-radius: 20px; padding: 22px 24px 24px; display: grid; gap: 14px; align-content: start; min-width: 0; }
.vs-card svg { width: 100%; height: auto; display: block; font-family: var(--body); }
.vs-card.old { background: var(--ivory); border: 1px dashed var(--cloudy); }
.vs-card.new { background: var(--ink); color: var(--ivory); }
.vs-k { font-family: var(--display); font-size: var(--step-2); font-weight: 600; }
.vs-card.old .vs-k { color: var(--ink-2); }
.vs-card ul { margin: 0; padding: 0; display: grid; gap: 8px; }
.vs-card li { list-style: none; position: relative; padding-left: 26px; font-size: 0.9375rem; }
.vs-card.old li { color: var(--ink-2); }
.vs-card.old li::before { content: "×"; position: absolute; left: 4px; top: 0; color: var(--cloudy); font-weight: 700; }
.vs-card.new li::before { content: "✓"; position: absolute; left: 2px; top: 0; color: #b9c7a4; font-weight: 700; }
.routes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: clamp(36px, 5vw, 56px); }
.route { border-radius: 18px; background: var(--ivory); border: 1px solid var(--line); padding: 20px 24px; display: grid; gap: 6px; min-width: 0; }
.route .who { font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.08em; color: var(--crail); }
.route h3 { font-size: var(--step-2); }
.route p:last-child { color: var(--ink-2); font-size: 0.9375rem; }
.steps-label { font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.12em; color: var(--ink-2); margin-bottom: 14px; }
@media (max-width: 860px) { .vs, .routes { grid-template-columns: 1fr; } }

/* ===== Simplify pass: folds, video, CTA ===== */
details.more { margin-top: 22px; border-top: 1px solid var(--line); }
details.more > summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 10px; margin-top: 18px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--cloudy); font-size: 0.9375rem; font-weight: 500; color: var(--ink); background: transparent; transition: border-color .2s, background .2s; }
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::after { content: ""; width: 8px; height: 8px; border-right: 2px solid var(--crail); border-bottom: 2px solid var(--crail); transform: rotate(45deg) translateY(-2px); transition: transform .2s; }
details.more[open] > summary::after { transform: rotate(-135deg) translateY(-2px); }
details.more > summary:hover { border-color: var(--ink); }
details.more[open] > summary { margin-bottom: 22px; }
details.more.inline { border-top: 0; margin-top: 4px; }
details.more.inline > summary { margin-top: 0; }
details.more .duties { margin-top: 0; }
.beat-more > summary { list-style: none; cursor: pointer; font-size: 0.8125rem; font-weight: 500; color: var(--crail); display: inline-flex; gap: 6px; align-items: center; }
.beat-more > summary::-webkit-details-marker { display: none; }
.beat-more > summary::after { content: "+"; font-size: 1rem; }
.beat-more[open] > summary::after { content: "–"; }
.beat-more[open] > summary { margin-bottom: 10px; }
.head-dl { margin-left: 4px; }
.site-head .wrap > .btn-ghost { min-height: 38px; padding: 0 16px; }
@media (max-width: 900px) { .site-head .head-dl { margin-left: auto; } .site-head .btn-primary { margin-left: 0; } }
@media (max-width: 480px) { .site-head .head-dl { display: none; } .site-head .btn-primary { margin-left: auto; } }
.play-ic { width: 0; height: 0; border-left: 9px solid currentColor; border-top: 6px solid transparent; border-bottom: 6px solid transparent; }
button.btn { cursor: pointer; border: 0; }
button.btn-ghost { border: 1px solid var(--cloudy); background: transparent; }
.vid-sec { padding-block: clamp(48px, 6vw, 80px); }
.vid-head { display: grid; gap: 10px; margin-bottom: 22px; }
.vid-frame { position: relative; display: block; width: 100%; padding: 0; border: 0; border-radius: 24px; overflow: hidden; cursor: pointer; background: var(--ink); aspect-ratio: 16 / 7; max-width: 100%; }
.vid-frame { background: radial-gradient(ellipse 55% 75% at 50% 60%, rgba(217, 119, 87, 0.35), transparent 70%), radial-gradient(ellipse 80% 80% at 50% 120%, #2a2522, #141413 70%); }
.vid-frame img.vid-box { position: absolute; left: 50%; top: 68%; width: min(40%, 460px); height: auto; transform: translate(-50%, -50%); filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.5)); opacity: .9; transition: transform .6s ease, opacity .3s; }
.vid-frame:hover img.vid-box { transform: translate(-50%, -50%) scale(1.03); opacity: .75; }
.vid-play { position: absolute; left: 50%; top: 30%; width: 84px; height: 84px; transform: translate(-50%, -50%); border-radius: 50%; background: var(--clay); box-shadow: 0 0 0 12px rgba(217, 119, 87, 0.25); transition: box-shadow .3s; }
.vid-play::after { content: ""; position: absolute; left: 34px; top: 27px; border-left: 22px solid #fff; border-top: 15px solid transparent; border-bottom: 15px solid transparent; }
.vid-frame:hover .vid-play { box-shadow: 0 0 0 20px rgba(217, 119, 87, 0.22); }
.vid-cap { position: absolute; left: 24px; bottom: 20px; padding: 6px 14px; border-radius: 999px; background: rgba(20, 20, 19, 0.7); color: var(--ivory); font-size: 0.875rem; }
@media (max-width: 600px) { .vid-frame { aspect-ratio: 4 / 3; } .vid-play { width: 64px; height: 64px; } .vid-play::after { left: 26px; top: 20px; border-left-width: 17px; border-top-width: 12px; border-bottom-width: 12px; } }
.vmodal { padding: 0; border: 0; background: transparent; width: min(1000px, calc(100vw - 32px)); max-width: none; }
.vmodal::backdrop { background: rgba(20, 20, 19, 0.72); }
.vm-box { position: relative; border-radius: 20px; overflow: hidden; background: var(--ink); }
.vm-close { position: absolute; right: 12px; top: 10px; z-index: 2; width: 40px; height: 40px; border-radius: 50%; border: 0; background: rgba(250, 249, 245, 0.12); color: var(--ivory); font-size: 24px; cursor: pointer; }
.vm-screen { aspect-ratio: 16 / 9; display: grid; place-items: center; }
.vm-screen video { width: 100%; height: 100%; display: block; }
.vm-soon { position: relative; display: grid; gap: 10px; justify-items: center; text-align: center; color: var(--ivory); padding: 24px; }
.vm-soon .vid-play { position: relative; left: auto; top: auto; transform: none; margin-bottom: 12px; opacity: .6; }
.vm-soon b { font-family: var(--display); font-size: var(--step-2); }
.vm-soon > span { color: var(--cloudy); font-size: 0.9375rem; }
.vm-acts { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 8px; }
.vm-acts .btn-ghost { color: var(--ivory); border-color: var(--night-line); }
.cta-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; width: 100%; max-width: 620px; }
.cta-card { position: relative; display: grid; gap: 4px; padding: 18px 44px 18px 20px; border-radius: 16px; border: 1px solid var(--line); background: #ffffff; text-decoration: none; transition: transform .2s, box-shadow .2s; }
.cta-card:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -20px rgba(20, 20, 19, 0.45); }
.cta-card b { font-family: var(--display); font-size: var(--step-1); }
.cta-card span { font-size: 0.8125rem; color: var(--ink-2); }
.cta-card i { position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-style: normal; color: var(--crail); font-size: 1.25rem; }
.cta-card.dark { background: var(--ink); color: var(--ivory); border-color: var(--ink); }
.cta-card.dark span { color: var(--cloudy); }
@media (max-width: 520px) { .cta-cards { grid-template-columns: 1fr; } }

footer { border-top: 1px solid var(--line); padding-block: 28px 36px; font-size: 0.8125rem; color: var(--ink-2); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; justify-content: space-between; }
footer .brand img { width: 20px; }
footer .brand b { font-size: 0.875rem; color: var(--ink); }


/* Scroll interactions — only active when html.sx is set by the script below */
html.sx .rv { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); transition-delay: var(--d, 0s); }
html.sx .rv.in { opacity: 1; transform: none; }
html.sx .rv-pop { opacity: 0; transform: scale(.9); transition: opacity .45s ease, transform .45s cubic-bezier(.2,1.5,.5,1); transition-delay: var(--d, 0s); }
html.sx .rv-pop.in { opacity: 1; transform: none; }
/* text that lights up character by character as you scroll */
html.sx .scrub .ch { color: #cbc8bd; transition: color .25s; }
html.sx .scrub .ch.lit { color: var(--ink); }
html.sx .scrub em .ch.lit { color: var(--crail); }
/* how-diagram assembles as you scroll through it */
html.sx .dg { opacity: .12; transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1); }
html.sx .dg.on { opacity: 1; }
html.sx .dg-draw { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset .9s ease; }
html.sx .dg-draw.on { stroke-dashoffset: 0; }
html.sx .dg-flow.on { animation: dgflow 1.2s linear infinite; }
@keyframes dgflow { to { stroke-dashoffset: -20; } }
/* story timeline draws left to right */
html.sx .beats::before { transform-origin: left center; transform: scaleX(var(--p, 0)); }
/* nav follows the section you are reading */
.nav a.cur { color: var(--crail); }
.hero-img img { will-change: transform; }

/* ===== Hero: pinned scroll story (html.sx) with a static fallback ===== */
.hx { position: relative; background: var(--ivory); }
.hx-stage { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(24px, 4vw, 64px); align-items: center; max-width: calc(var(--max) + 64px); margin-inline: auto; padding: clamp(40px, 6vw, 88px) max(16px, env(safe-area-inset-right, 0px)) clamp(56px, 7vw, 96px) max(16px, env(safe-area-inset-left, 0px)); }
.hx-intro { display: grid; gap: 24px; min-width: 0; }
.hx-intro h1 .accent { color: var(--crail); }
.hx-intro .lead { max-width: 30em; }
.hx-box { position: relative; }
.hx-box img { width: 100%; height: auto; position: relative; filter: drop-shadow(0 30px 40px rgba(20, 20, 19, 0.18)); }
.hx-canvas, .hx-layer, .hx-steps, .hx-caps, .hx-final, .hx-hint, .hx-glow { display: none; }
@media (max-width: 860px) { .hx-stage { grid-template-columns: 1fr; } }

html.sx .hx { height: 760vh; }
html.sx .hx-stage { position: sticky; top: calc(64px + env(safe-area-inset-top, 0px)); height: calc(100vh - 64px - env(safe-area-inset-top, 0px)); height: calc(100svh - 64px - env(safe-area-inset-top, 0px)); max-width: none; display: block; padding: 0; overflow: hidden; }
html.sx .hx-canvas { display: block; position: absolute; inset: 0; width: 100%; height: 100%; }
html.sx .hx-intro { position: absolute; left: max(32px, calc((100vw - var(--max)) / 2)); top: 50%; width: min(560px, 46vw); transform: translateY(-50%); will-change: transform, opacity; z-index: 4; }
html.sx .hx-box { position: absolute; left: 0; top: 0; width: 400px; z-index: 3; will-change: transform; }
html.sx .hx-glow { display: block; position: absolute; left: 50%; top: 55%; width: 170%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(circle, rgba(217, 119, 87, 0.42) 0%, rgba(217, 119, 87, 0.12) 38%, rgba(217, 119, 87, 0) 66%); opacity: var(--glow, 0); pointer-events: none; }
html.sx .hx-layer { display: block; position: absolute; inset: 0; z-index: 5; pointer-events: none; }
.hx-layer > span { position: absolute; left: 0; top: 0; white-space: nowrap; will-change: transform, opacity; opacity: 0; }
.hx-doc { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px 7px 8px; border-radius: 10px; background: #ffffff; border: 1px solid var(--line); box-shadow: 0 10px 24px -14px rgba(20, 20, 19, 0.35); font-size: 14px; }
.hx-doc i { font-style: normal; font-family: ui-monospace, Menlo, monospace; font-size: 10px; font-weight: 700; padding: 2px 5px; border-radius: 5px; background: var(--pampas); color: var(--ink-2); }
.hx-gate { padding: 4px 14px; border-radius: 999px; background: var(--clay); color: #ffffff; font-size: 13px; font-weight: 700; letter-spacing: 0.06em; }
.hx-ai { display: flex; align-items: center; gap: 12px; padding: 10px 18px 10px 10px; border-radius: 18px; background: var(--ink); color: var(--ivory); box-shadow: 0 16px 30px -18px rgba(20, 20, 19, 0.6); }
.hx-ai .lg { flex: none; width: 48px; height: 48px; border-radius: 12px; background: #ffffff; display: grid; place-items: center; overflow: hidden; font-family: var(--display); font-size: 22px; font-weight: 700; color: var(--ink); }
.hx-ai .lg img { width: 72%; height: 72%; object-fit: contain; }
.hx-ai .tx { display: grid; gap: 0; }
.hx-ai b { font-size: 17px; font-weight: 500; line-height: 1.3; }
.hx-ai small { font-size: 12px; color: #b9c7a4; }
.hx-ai[data-ok="0"] { background: var(--ivory); color: var(--ink-2); border: 1px dashed var(--cloudy); box-shadow: none; }
.hx-ai[data-ok="0"] .lg { border: 1px solid var(--line); opacity: .7; }
.hx-ai[data-ok="0"] small { color: var(--red, #b5443b); }
.hx-badge { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; }
.hx-badge.ok { background: #e7ecdf; color: #4f5f3a; border: 1px solid var(--green); }
.hx-badge.no { background: var(--ivory); color: #b5443b; border: 1px dashed #d9a39c; }
.hx-mem { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px 8px 8px; border-radius: 12px; background: var(--ivory); border: 1.5px solid var(--clay); font-size: 14px; box-shadow: 0 12px 26px -14px rgba(217, 119, 87, 0.6); }
.hx-mem i, .hx-blk i { font-style: normal; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 6px; background: var(--clay); color: #fff; }
.hx-blk { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px 10px 10px; border-radius: 12px; background: #ffffff; border: 1px solid var(--line); font-size: 15px; box-shadow: 0 10px 24px -14px rgba(20, 20, 19, 0.35); }
.hx-blk i { background: var(--blue); }
.hx-app { display: flex; align-items: center; gap: 14px; padding: 16px 26px 16px 16px; border-radius: 20px; background: var(--ink); color: var(--ivory); box-shadow: 0 24px 40px -20px rgba(20, 20, 19, 0.6); white-space: normal !important; }
.hx-app .ap-ic { flex: none; width: 64px; height: 64px; border-radius: 14px; background: var(--night-2, #262624); display: grid; place-items: center; }
.hx-app .ap-ic svg { width: 36px; height: 36px; }
.hx-app .ap-tx { display: grid; gap: 1px; }
.hx-app b { font-family: var(--display); font-size: 22px; }
.hx-app small { font-size: 13.5px; color: var(--cloudy); white-space: nowrap; }
.hx-bld { display: grid; gap: 12px; width: min(480px, calc(100vw - 32px)); padding: 16px 18px; border-radius: 20px; background: #ffffff; border: 1px solid var(--line); box-shadow: 0 30px 60px -28px rgba(20, 20, 19, 0.45), 0 0 0 6px rgba(232, 183, 90, 0.12); white-space: normal !important; }
.bd-top { display: flex; align-items: center; gap: 8px; }
.bd-top b { font-family: var(--display); font-size: 17px; }
.bd-top em { font-style: normal; font-size: 11px; font-weight: 700; padding: 0 8px; border-radius: 999px; border: 1px solid var(--crail); color: var(--crail); }
.bd-dots { margin-left: auto; display: flex; gap: 5px; }
.bd-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.bd-msg { padding: 12px 14px; border-radius: 14px; background: var(--pampas); font-size: 15px; line-height: 1.65; min-height: 3.4em; }
.bd-caret { display: inline-block; width: 2px; height: 1em; margin-left: 2px; vertical-align: -2px; background: var(--clay); animation: bdblink 1s steps(1) infinite; }
@keyframes bdblink { 50% { opacity: 0; } }
.bd-foot { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: center; font-size: 13px; color: var(--crail); font-weight: 500; min-height: 18px; }
.bd-bar { height: 6px; border-radius: 999px; background: var(--pampas); overflow: hidden; }
.bd-bar i { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, #6a9bcc, #e8b75a, #d97757); }
.hx-user { display: flex; align-items: center; gap: 10px; padding: 7px 14px 7px 7px; border-radius: 999px; background: #ffffff; border: 1px solid var(--line); box-shadow: 0 12px 24px -16px rgba(20, 20, 19, 0.4); }
.hx-user .av { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 15px; }
.hx-user .av.dev { border-radius: 11px; background: var(--ink); }
.hx-user .av.dev svg { width: 22px; height: 22px; fill: none; stroke: #faf9f5; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.hx-user b { display: block; font-size: 14px; font-weight: 500; line-height: 1.2; }
.hx-user small { font-size: 11px; color: var(--ink-2); }
.hx-share { padding: 4px 12px; border-radius: 999px; background: #e7ecdf; border: 1px solid var(--green); color: #4f5f3a; font-size: 12.5px; font-weight: 500; }
.hx-app { position: absolute; overflow: hidden; }
.hx-app.shine::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(232, 183, 90, 0.45) 48%, rgba(255, 255, 255, 0.5) 52%, transparent 70%); background-size: 250% 100%; animation: hxshine 1.4s ease-in-out infinite; pointer-events: none; }
@keyframes hxshine { from { background-position: 120% 0; } to { background-position: -120% 0; } }
.hx-cap .role { display: inline-block; margin-right: 10px; padding: 1px 10px; border-radius: 999px; background: var(--ink); color: var(--ivory); font-family: var(--body); font-size: 13px; font-weight: 500; vertical-align: 4px; }
html.sx .hx-steps { display: grid; position: absolute; left: max(24px, calc((100vw - var(--max)) / 2)); top: 50%; transform: translateY(-50%); margin: 0; padding: 0; gap: 14px; z-index: 6; opacity: 0; transition: opacity .4s; }
.hx-steps li { list-style: none; display: grid; grid-template-columns: 30px 1fr; align-items: baseline; font-size: 14px; color: var(--cloudy); transition: color .3s; }
.hx-steps b { font-family: var(--display); font-size: 13px; }
.hx-steps li.on { color: var(--ink); }
.hx-steps li.on b { color: var(--crail); }
html.sx .hx-caps { display: block; position: absolute; left: 50%; bottom: clamp(24px, 6vh, 56px); width: min(760px, calc(100% - 32px)); transform: translateX(-50%); height: 3.6em; z-index: 6; text-align: center; }
.hx-cap { position: absolute; inset: 0; font-family: var(--display); font-weight: 600; font-size: clamp(18px, 1rem + 0.9vw, 26px); line-height: 1.45; opacity: 0; transform: translateY(14px); transition: opacity .45s, transform .45s; text-wrap: balance; }
.hx-cap.on { opacity: 1; transform: none; }
.hx-cap:not(.on) { transition-duration: .15s; }
html.sx main { overflow-x: clip; }
.hx-count { display: block; font-family: var(--body); font-weight: 400; font-size: 14px; color: var(--ink-2); margin-top: 4px; font-variant-numeric: tabular-nums; }
.hx-count b { color: var(--crail); font-weight: 700; }
html.sx .hx-final { display: grid; gap: 12px; justify-items: center; position: absolute; left: 50%; top: clamp(28px, 9vh, 90px); width: min(980px, calc(100% - 32px)); transform: translateX(-50%); z-index: 6; text-align: center; opacity: 0; will-change: transform, opacity; }
.hx-final-h { font-family: var(--display); font-weight: 700; font-size: clamp(30px, 1.2rem + 3.4vw, 60px); line-height: 1.25; text-wrap: balance; }
.hx-final-h em { font-style: normal; color: var(--crail); }
.hx-final-s { font-size: clamp(14px, 0.8rem + 0.4vw, 17px); color: var(--ink-2); letter-spacing: 0.06em; }
html.sx .hx-hint { display: flex; gap: 8px; align-items: center; position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); font-size: 13px; color: var(--ink-2); z-index: 6; }
.hx-hint span { animation: hxbob 1.6s ease-in-out infinite; }
@keyframes hxbob { 50% { transform: translateY(5px); } }
@media (max-width: 860px) {
  html.sx .hx { height: 660vh; }
  html.sx .hx-intro { left: 16px; right: 16px; width: auto; top: 20px; transform: none; gap: 14px; }
  html.sx .hx-intro .chips, html.sx .hx-intro .lead { display: none; }
  html.sx .hx-steps { display: none; }
  .hx-doc { font-size: 12px; padding: 5px 9px 5px 6px; }
  .hx-ai { padding: 6px 10px 6px 6px; gap: 8px; border-radius: 14px; } .hx-ai .lg { width: 34px; height: 34px; border-radius: 9px; font-size: 16px; } .hx-ai b { font-size: 13px; } .hx-ai small { font-size: 10px; }
  .hx-mem, .hx-blk { font-size: 12px; } .bd-msg { font-size: 13px; } .hx-user { padding: 4px 10px 4px 4px; } .hx-user .av { width: 28px; height: 28px; font-size: 12px; } .hx-user b { font-size: 12px; } .hx-user small { display: none; } .hx-app b { font-size: 15px; } .hx-app .ap-ic { width: 40px; height: 40px; }
}

/* ===== Bigger section motion ===== */
html.sx .rv { transform: translateY(70px) scale(.97); transition-duration: 1s, 1s; }
html.sx .rv-left { opacity: 0; transform: translateX(-90px); transition: opacity 1s cubic-bezier(.2,.7,.2,1), transform 1s cubic-bezier(.2,.7,.2,1); transition-delay: var(--d, 0s); }
html.sx .rv-right { opacity: 0; transform: translateX(110px); transition: opacity 1s cubic-bezier(.2,.7,.2,1), transform 1s cubic-bezier(.2,.7,.2,1); transition-delay: var(--d, 0s); }
html.sx .rv-flip { opacity: 0; transform: perspective(900px) rotateX(38deg) translateY(80px); transform-origin: center bottom; transition: opacity .9s ease, transform 1.1s cubic-bezier(.2,.8,.2,1); transition-delay: var(--d, 0s); }
html.sx .rv-left.in, html.sx .rv-right.in, html.sx .rv-flip.in { opacity: 1; transform: none; }
html.sx .fx-clip { overflow: hidden; }
html.sx .fx-clip img { transform: scale(var(--zs, 1)); transform-origin: center; }
html.sx #security { clip-path: inset(var(--ci, 0px) var(--cx, 0px) round var(--cr, 0px)); }

@media (max-width: 960px) { html.sx .beats::before { transform: scaleY(var(--p, 0)); transform-origin: center top; } }


/* ===== Multi-page additions ===== */
.crumb { font-size: 0.8125rem; color: var(--ink-2); padding-top: 22px; }
.crumb a { text-decoration: none; color: var(--ink-2); }
.crumb a:hover { color: var(--crail); }
.crumb span { margin: 0 8px; color: var(--cloudy); }
.page-top section:first-of-type { padding-top: clamp(28px, 4vw, 48px); }
.nav a[aria-current="page"] { color: var(--crail); }
.explore { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.xcard { position: relative; display: grid; grid-template-rows: auto 1fr; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); background: var(--ivory); text-decoration: none; color: var(--ink); min-width: 0; transition: transform .25s, box-shadow .25s; }
.xcard:hover { transform: translateY(-4px); box-shadow: 0 22px 40px -26px rgba(20, 20, 19, 0.5); }
.xcard .xv { aspect-ratio: 4 / 3; background: var(--pampas); overflow: hidden; display: grid; place-items: center; position: relative; }
.xcard .xv img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.xcard .xv img.contain { object-fit: contain; width: 82%; height: auto; filter: drop-shadow(0 18px 22px rgba(20, 20, 19, 0.18)); }
.xcard:hover .xv img { transform: scale(1.04); }
.xcard .xv.dark { background: radial-gradient(circle at 50% 45%, rgba(217, 119, 87, 0.3), transparent 60%), var(--ink); }
.xcard .xv svg { width: 46%; height: auto; }
.xcard .xb { padding: 18px 20px 20px; display: grid; gap: 6px; align-content: start; }
.xcard .xk { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; color: var(--crail); }
.xcard h3 { font-size: var(--step-2); }
.xcard p { font-size: 0.9375rem; color: var(--ink-2); }
.xcard .go { margin-top: 6px; font-size: 0.875rem; font-weight: 500; color: var(--crail); }
.xcard .go::after { content: " →"; transition: margin .2s; }
.xcard:hover .go::after { margin-left: 4px; }
@media (max-width: 1000px) { .explore { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .explore { grid-template-columns: 1fr; } }
.story-strip { margin-top: 16px; display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; padding: 20px 24px; border-radius: 20px; background: var(--ink); color: var(--ivory); text-decoration: none; transition: transform .25s; }
.story-strip:hover { transform: translateY(-3px); }
.story-strip .avs { display: flex; }
.story-strip .avs span { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-family: var(--display); font-weight: 700; color: #fff; border: 2px solid var(--ink); }
.story-strip .avs span + span { margin-left: -10px; }
.story-strip b { font-family: var(--display); font-size: var(--step-1); display: block; }
.story-strip small { color: var(--cloudy); font-size: 0.875rem; }
.story-strip .go { color: var(--clay); font-weight: 500; white-space: nowrap; }
@media (max-width: 560px) { .story-strip { grid-template-columns: 1fr; } }
.pteaser { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pt { display: grid; grid-template-columns: 0.9fr 1.1fr; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); background: var(--ivory); text-decoration: none; color: var(--ink); min-width: 0; transition: transform .25s, box-shadow .25s; }
.pt:hover { transform: translateY(-3px); box-shadow: 0 20px 36px -26px rgba(20, 20, 19, 0.5); }
.pt img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1; }
.pt > div { padding: 20px 22px; display: grid; gap: 6px; align-content: center; }
.pt .who { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; color: var(--crail); }
.pt h3 { font-size: var(--step-2); }
.pt p { color: var(--ink-2); font-size: 0.9375rem; }
.pt .go { font-size: 0.875rem; color: var(--crail); font-weight: 500; }
@media (max-width: 860px) { .pteaser { grid-template-columns: 1fr; } }
.next { padding-block: clamp(48px, 6vw, 80px); border-top: 1px solid var(--line); }
.next-grid { display: grid; grid-template-columns: repeat(3, 1fr) auto; gap: 12px; align-items: stretch; }
.next-grid a.nx { display: grid; gap: 2px; padding: 16px 18px; border-radius: 16px; border: 1px solid var(--line); background: var(--ivory); text-decoration: none; transition: border-color .2s; }
.next-grid a.nx:hover { border-color: var(--ink); }
.next-grid a.nx small { font-size: 0.75rem; color: var(--ink-2); }
.next-grid a.nx b { font-family: var(--display); font-size: var(--step-1); }
.next-grid .nx-cta { display: grid; gap: 8px; align-content: center; }
@media (max-width: 900px) { .next-grid { grid-template-columns: 1fr 1fr; } .next-grid .nx-cta { grid-column: 1 / -1; display: flex; flex-wrap: wrap; } }
@media (max-width: 480px) { .next-grid { grid-template-columns: 1fr; } }
.cmp-wrap { overflow-x: auto; margin-top: 28px; }
.cmp { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 0.9375rem; }
.cmp th, .cmp td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp thead th { font-family: var(--display); font-size: var(--step-1); border-bottom: 2px solid var(--ink); }
.cmp tbody th { font-weight: 500; color: var(--ink-2); width: 22%; }
.cmp td.dim { color: var(--cloudy); }
.night .crumb, .night .crumb a { color: var(--cloudy); }

/* Zoomable screenshots + lightbox */
.cp-shot { position: relative; display: block; width: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; border-radius: 18px; }
.cp-shot img { width: 100%; height: auto; display: block; border-radius: 18px; box-shadow: 0 50px 90px -56px rgba(20, 20, 19, 0.5), 0 0 0 1px var(--line); transition: transform .4s cubic-bezier(.2,.7,.2,1); }
.cp-shot:hover img { transform: translateY(-3px); }
.zoom-hint { position: absolute; right: 14px; bottom: 14px; display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px; background: rgba(20, 20, 19, 0.75); color: #faf9f5; font-size: 0.75rem; opacity: 0; transform: translateY(4px); transition: opacity .2s, transform .2s; pointer-events: none; }
.zoom-hint::before { content: ""; width: 10px; height: 10px; border: 1.6px solid currentColor; border-radius: 50%; box-shadow: 4px 4px 0 -2.6px currentColor; }
.cp-shot:hover .zoom-hint, .cp-shot:focus-visible .zoom-hint { opacity: 1; transform: none; }
@media (hover: none) { .zoom-hint { opacity: 1; transform: none; } }
.lb { padding: 0; border: 0; margin: 0; width: 100vw; height: 100vh; max-width: none; max-height: none; background: rgba(20, 20, 19, 0.9); }
.lb::backdrop { background: rgba(20, 20, 19, 0.6); }
.lb-scroll { position: absolute; inset: 0; overflow: auto; display: grid; place-items: center; padding: calc(56px + env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) calc(48px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); }
.lb-img { display: block; max-width: min(100%, 1600px); max-height: calc(100vh - 120px); width: auto; height: auto; border-radius: 10px; cursor: zoom-in; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5); }
.lb.full .lb-scroll { place-items: start center; }
.lb.full .lb-img { max-width: none; max-height: none; width: var(--lbw, 1600px); cursor: zoom-out; }
.lb-bar { position: absolute; top: calc(12px + env(safe-area-inset-top, 0px)); right: max(12px, env(safe-area-inset-right, 0px)); left: max(12px, env(safe-area-inset-left, 0px)); z-index: 2; display: flex; justify-content: space-between; align-items: center; gap: 12px; color: #faf9f5; font-size: 0.8125rem; pointer-events: none; }
.lb-bar > * { pointer-events: auto; }
.lb-bar button { min-height: 38px; padding: 0 14px; border-radius: 999px; border: 1px solid rgba(250, 249, 245, 0.25); background: rgba(20, 20, 19, 0.6); color: #faf9f5; font: inherit; cursor: pointer; }
.lb-bar .lb-close { width: 40px; padding: 0; font-size: 20px; line-height: 1; }
.lb-tip { opacity: .75; }

/* hero overlays never block clicks */
.hx-final, .hx-caps, .hx-steps, .hx-hint { pointer-events: none; }
.vm-close { background: rgba(20, 20, 19, 0.65); }
.vm-close:hover { background: rgba(20, 20, 19, 0.85); }