/* Layout: one reading column; the 3,9–10 target band runs through the page as the recurring motif. */
/* Tokens and shared components (button, pill, card, terms) are in dia.css. */
body { font-size: 17px; line-height: 1.6; }
.wrap { max-width: 1080px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

h1, h2, h3 { line-height: 1.15; margin: 0; }
h2 { font-size: clamp(1.45rem, 3vw, 1.95rem); font-weight: 700; letter-spacing: -.01em; }
h3 { font-size: 1.08rem; font-weight: 650; }
p { margin: 0; max-width: 65ch; }

section { padding-block: clamp(40px, 7vw, 76px); border-top: 1px solid var(--line); }
.stack { display: grid; gap: 16px; }

/* hero: text left, a preview of the app right (flat cards, one soft shadow for depth) */
.hero { padding-block: clamp(40px, 7vw, 80px) 0; border: 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.08; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lead { font-size: 1.15rem; color: var(--muted); max-width: 46ch; }
.hero .cta { margin-top: 4px; }
.disclaimer { margin-top: 8px; font-size: .85rem; color: var(--muted); border-left: 3px solid var(--line); padding-left: 12px; max-width: 52ch; }

.preview { position: relative; margin: 0; padding: 28px 28px 0 28px; }
.preview::before { content: ""; position: absolute; inset: 0 0 40px 0; border-radius: 28px; background: var(--ok-soft); }
.shot { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-l); padding: 18px 20px 20px; display: grid; gap: 14px; box-shadow: var(--shadow); }
.shot-head { display: flex; align-items: center; gap: 10px; font-weight: 650; }
.shot-head .brandmini svg { width: 28px; height: 28px; display: block; border-radius: 7px; }
.shot-head .pill { margin-left: auto; }
.pill.ok { display: inline-flex; align-items: center; gap: 6px; background: var(--ok-soft); color: var(--ink); font-size: .85rem; padding: 3px 10px; border-radius: 999px; }
.pill.ok i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.shot-now { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.shot-now b { font-size: 3.2rem; line-height: 1; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.shot-now span { color: var(--muted); }
.shot-now .arrow { color: var(--ink); font-weight: 700; }
.shot-now small { margin-left: auto; color: var(--muted); }
.shot-night { border-top: 1px solid var(--line); padding-top: 12px; display: grid; gap: 2px; }
.shot-night p { font-weight: 600; }
.share { position: relative; margin: -18px 0 0 -14px; width: fit-content; display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-m); padding: 10px 14px; box-shadow: var(--shadow); max-width: calc(100% - 24px); }
.share .avatar { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); font-weight: 700; flex: none; }
.share span:last-child { display: grid; line-height: 1.25; }
.share small { color: var(--muted); }
.preview figcaption { text-align: right; margin-top: 6px; font-size: .75rem; color: var(--muted); }
.bandline { width: 100%; height: auto; display: block; }
.bandline .zone { fill: var(--ok-soft); }
.bandline .curve { fill: none; stroke: var(--ink); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.bandline .lbl { fill: var(--muted); font: 500 11px var(--body); }
.bandline .dot { fill: var(--ink); stroke: var(--surface); stroke-width: 2; }
@media (max-width: 760px) {
  .preview { padding: 16px 16px 0; max-width: 460px; }
}

/* pains */
.pains { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 32px; }
.pain { display: grid; gap: 6px; align-content: start; }
.pain .num { font: 700 2.1rem/1 var(--body); color: var(--accent); font-variant-numeric: tabular-nums; }
.pain p { color: var(--muted); font-size: .95rem; }
.src { font-size: .8rem; color: var(--muted); }

/* situations */
.situations { display: grid; gap: 0; margin-top: 32px; }
.sit { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding-block: 22px; border-top: 1px solid var(--line); }
.sit:first-child { border-top: 0; }
.sit .when { font: 600 .9rem/1.3 var(--body); color: var(--accent); }
.sit .what { display: grid; gap: 6px; min-width: 0; }
.sit .what p { color: var(--muted); }

/* phone mockup */
.demo-grid { display: grid; grid-template-columns: minmax(0, 340px) 1fr; gap: clamp(24px, 5vw, 64px); align-items: start; margin-top: 32px; }
.phone { background: var(--bg); border: 1px solid var(--line); border-radius: 28px; padding: 18px 16px; display: grid; gap: 12px; box-shadow: var(--shadow); max-width: 100%; }
.phone .bar { display: flex; gap: 10px; font: 600 .78rem/1 var(--body); color: var(--muted); flex-wrap: wrap; }
.phone .bar b { color: var(--ink); }
.phone .status { font-size: .75rem; color: var(--muted); }
.phone .status::before { content: "● "; color: var(--ok); }
.val { font: 700 2.8rem/1 var(--body); color: var(--ink); font-variant-numeric: tabular-nums; }
.val small { font: 400 .9rem var(--body); color: var(--muted); }
.meta { font-size: .78rem; color: var(--muted); }
.mini { border-top: 1px solid var(--line); padding-top: 10px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.mini dt { font-size: .65rem; color: var(--muted); }
.mini dd { margin: 0; font: 700 1rem var(--body); font-variant-numeric: tabular-nums; }
.handover { font-size: .78rem; background: var(--bg); border-radius: 8px; padding: 8px 10px; }
.tir { display: flex; height: 12px; border-radius: 6px; overflow: hidden; }
.tir span { display: block; }
.sample { font: 500 .75rem/1 var(--body); color: var(--muted); }
.features { display: grid; gap: 18px; }
.features div { display: grid; gap: 4px; }
.features p { color: var(--muted); font-size: .95rem; }

/* principles */
.rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 32px; margin-top: 28px; }
.rule { padding-block: 16px; border-top: 1px solid var(--line); display: grid; gap: 4px; }
.rule p { color: var(--muted); font-size: .95rem; }

/* roles */
.table-wrap { overflow-x: auto; margin-top: 28px; }
table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: .95rem; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 600 .8rem/1.2 var(--body); color: var(--muted); }
td:first-child { font-weight: 700; white-space: nowrap; }

/* flow */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 28px; }
.node { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px; display: grid; gap: 4px; min-width: 0; }
.node .k { font: 600 .8rem/1.2 var(--body); color: var(--muted); }
.node p { font-size: .9rem; color: var(--muted); }

/* guides */
.guides { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin-top: 28px; }
.guide { display: grid; gap: 10px; align-content: start; }
.guide ol { margin: 0; padding-left: 1.2rem; display: grid; gap: 6px; color: var(--muted); }
.guide code { font: .85rem var(--mono); background: var(--surface); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; color: var(--ink); overflow-wrap: anywhere; }

footer { padding-block: 40px 56px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; display: grid; gap: 10px; }

@media (max-width: 760px) {
  .hero-grid, .demo-grid { grid-template-columns: 1fr; }
  .sit { grid-template-columns: 1fr; gap: 6px; }
  .flow { grid-template-columns: 1fr 1fr; }
}

.cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.tir { display: block; width: 100%; height: 12px; border-radius: 6px; }
.tir .t-low { fill: var(--low); } .tir .t-ok { fill: var(--ok); } .tir .t-high { fill: var(--high); }

.cta .button { padding: 12px 20px; }

/* roles table becomes stacked rows on a phone instead of scrolling sideways */
@media (max-width: 640px) {
  .table-wrap table, .table-wrap tbody, .table-wrap tr, .table-wrap td { display: block; min-width: 0; }
  .table-wrap thead { display: none; }
  .table-wrap tr { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .table-wrap td { border: 0; padding: 2px 0; white-space: normal; }
  .table-wrap td[data-label]::before { content: attr(data-label) ": "; color: var(--muted); font-weight: 600; }
  .cta .button { flex: 1 1 auto; text-align: center; }
}

.site { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-block: 16px; }
.site .brand { font-weight: 700; font-size: 1.2rem; text-decoration: none; color: var(--ink); }
.site span { display: flex; align-items: center; gap: 18px; }
.site span a:not(.button) { text-decoration: none; color: var(--muted); }
.site .button { padding: 8px 16px; }
@media (max-width: 480px) { .site span a:not(.button) { display: none; } }
.phone .handover { background: var(--surface); border: 1px solid var(--line); }
@media (min-width: 900px) { .pains { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 480px) { .pains { grid-template-columns: 1fr; } }

.film video { display: block; width: 100%; aspect-ratio: 16 / 9; margin-top: 24px; border-radius: var(--r-l);
  border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); }
.transcript { margin-top: 14px; color: var(--muted); font-size: .95rem; }
.transcript summary { cursor: pointer; color: var(--accent); }
.transcript ol { margin: 8px 0 0; padding-left: 1.3rem; display: grid; gap: 4px; }
footer .brand { display: flex; gap: 12px; align-items: center; margin: 0; }