/* praxonops.com homepage v3: light theme, cobalt accents, one project in five stages. */
:root {
  --cobalt: #1F56D1; --cobalt-h: #1946AE; --tint: #E9EFFC; --on-dark: #8FB0F5; --scrub: #4C7BE8;
  --ink: #15191F; --body: #3F4752; --muted: #5A6370; --tert: #9AA3AF;
  --gray: #F4F6F8; --gray2: #E8ECF1; --line: #DCE0E6; --line2: #EEF0F3; --input: #C4CAD3; --ph: #8E9AAD;
  --rust: #B5471B; --rust-t: #FBEFE9;
  --mono: 'IBM Plex Mono', ui-monospace, monospace; --sans: 'IBM Plex Sans', Helvetica, Arial, sans-serif; --arch: 'Archivo', sans-serif;
  --hdr: 76px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--hdr) + 64px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: #fff; color: var(--body); font-family: var(--sans); font-size: 18px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--cobalt); text-decoration: none; }
a:hover { color: var(--cobalt-h); text-decoration: underline; }
h1, h2, h3, p { margin: 0; text-wrap: pretty; }
h1, h2, h3 { color: var(--ink); }
img { max-width: 100%; }
.wrap { max-width: 1240px; margin: 0 auto; }
.sec { padding: 88px 40px; }
.sec--gray { background: var(--gray); border-top: 1px solid var(--line); }
.only-m { display: none !important; }
@media (max-width: 600px) { .only-d { display: none !important; } .only-m:not(.status) { display: revert !important; } .btn.only-m, .pod__go .only-m { display: inline-flex !important; } }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 100; background: #fff; padding: 8px 12px; border-radius: 6px; }

/* type */
.eyebrow { font-family: var(--mono); font-size: 14px; font-weight: 500; letter-spacing: .06em; color: var(--cobalt); }
.eyebrow--b { font-weight: 600; }
.h2 { font-size: 44px; line-height: 1.12; font-weight: 700; letter-spacing: -.015em; }
.h3 { font-size: 34px; line-height: 1.2; font-weight: 700; letter-spacing: -.01em; }
.small { font-size: 16px; color: var(--muted); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; font-size: 17px; font-weight: 600; padding: 15px 26px; border-radius: 6px; border: 0; cursor: pointer; font-family: inherit; line-height: 1.2; }
.btn--p { background: var(--cobalt); color: #fff; }
.btn--p:hover { background: var(--cobalt-h); color: #fff; text-decoration: none; }
.btn--s { background: #fff; color: var(--ink); border: 1.5px solid var(--input); padding: 14px 25px; }
.btn--s:hover { color: var(--ink); border-color: var(--muted); text-decoration: none; }
:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 2px; }

/* header */
.hdr { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.hdr__in { max-width: 1240px; margin: 0 auto; padding: 0 40px; height: var(--hdr); display: flex; align-items: center; gap: 40px; white-space: nowrap; }
.hdr__logo img { height: 30px; display: block; width: auto; }
.hdr__nav { display: flex; gap: 30px; font-size: 16px; font-weight: 500; flex: 1; }
.hdr__nav a, .hdr__sign { color: var(--ink); }
.hdr__right { display: flex; align-items: center; gap: 24px; }
.hdr__sign { font-size: 16px; font-weight: 500; }
.hdr__cta { font-size: 16px; padding: 12px 22px; }
.hdr__menu { display: none; width: 44px; height: 44px; border: 1px solid var(--input); border-radius: 6px; background: #fff; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; padding: 0; }
.hdr__menu span { width: 18px; height: 2px; background: var(--ink); display: block; }
.mmenu { display: none; }

/* hero */
.hero { padding: 80px 40px 88px; }
.hero__grid { display: grid; grid-template-columns: minmax(0,5fr) minmax(0,7fr); gap: 64px; align-items: center; }
.hero__copy { display: flex; flex-direction: column; gap: 26px; }
.hero__eyebrow { display: flex; align-items: center; gap: 10px; }
.hero__eyebrow img { width: 20px; height: 20px; }
.hero h1 { font-size: 54px; line-height: 1.08; font-weight: 700; letter-spacing: -.02em; }
.hero__sub { font-size: 20px; }
.hero__btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* video cards */
.vcard { display: flex; flex-direction: column; gap: 14px; color: inherit; text-decoration: none; background: none; border: 0; padding: 0; text-align: left; font: inherit; cursor: pointer; width: 100%; }
.vcard:hover { text-decoration: none; color: inherit; }
.vcard__media { position: relative; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--gray2); box-shadow: 0 20px 40px -26px rgba(21,25,31,.35); }
.vcard--hero .vcard__media { box-shadow: 0 24px 48px -24px rgba(21,25,31,.25); }
.vcard__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
.vcard:focus-visible { outline: none; }
.vcard:focus-visible .vcard__media { box-shadow: 0 0 0 2px var(--cobalt), 0 20px 40px -26px rgba(21,25,31,.35); }
.play { position: absolute; top: 50%; left: 50%; width: 72px; height: 72px; margin: -36px 0 0 -36px; border-radius: 50%; background: var(--cobalt); box-shadow: 0 6px 18px rgba(0,0,0,.3); display: flex; align-items: center; justify-content: center; transition: transform .15s ease; }
.play::after { content: ""; width: 0; height: 0; border-left: 22px solid #fff; border-top: 14px solid transparent; border-bottom: 14px solid transparent; margin-left: 6px; }
.vcard:hover .play, .vcard:focus-visible .play { transform: scale(1.08); }
@media (prefers-reduced-motion: reduce) { .play { transition: none; } }
.chip { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .04em; color: #fff; background: rgba(21,25,31,.78); padding: 4px 8px; border-radius: 4px; line-height: 1.4; }
.chip--tl { position: absolute; top: 12px; left: 12px; }
.chip--br { position: absolute; bottom: 12px; right: 12px; }
.vcard__cap { display: flex; flex-direction: column; gap: 2px; }
.vcard__title { font-size: 19px; font-weight: 700; color: var(--ink); line-height: 1.35; }
.vcard__line { font-size: 16px; line-height: 1.5; color: var(--body); }
.hero .vcard__title { font-size: 17px; }

/* status chips (one source: data-status, see home.js) */
.status { display: inline-block; font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .04em; padding: 3px 8px; border-radius: 4px; white-space: nowrap; vertical-align: middle; }
.status--pilot { color: var(--cobalt-h); background: var(--tint); }
.status--soon { color: #8A4A12; background: #FCEFD9; }

/* placeholders (asset still to come) */
.ph { border: 1.5px dashed var(--ph); border-radius: 10px; background: repeating-linear-gradient(135deg,#fff 0 10px,#EEF1F5 10px 20px); padding: 18px; display: flex; flex-direction: column; justify-content: center; gap: 6px; }
.ph__k { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .05em; color: var(--cobalt); }
.ph__t { font-size: 16px; font-weight: 600; color: var(--ink); line-height: 1.35; }
.ph__d { font-size: 14px; line-height: 1.45; color: var(--body); }

/* 01 lifecycle */
.life__head { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 64px; align-items: end; }
.life__head h2 { font-family: var(--arch); font-size: 52px; line-height: 1.05; font-weight: 800; letter-spacing: -.02em; }
.life__head p { font-size: 20px; line-height: 1.55; }
.life { margin-top: 44px; background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; display: grid; grid-template-columns: minmax(0,1fr) 340px minmax(0,1fr); }
.life__side { padding: 32px; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; }
.life__tiles { display: flex; gap: 20px; }
.life__tile { display: flex; flex-direction: column; align-items: center; gap: 8px; font-family: var(--arch); font-size: 20px; font-weight: 700; color: var(--ink); }
.life__ico { width: 76px; height: 76px; border-radius: 16px; background: #EEF1F5; color: var(--ink); display: flex; align-items: center; justify-content: center; }
.life__ico--f { background: var(--rust-t); color: var(--rust); }
.life__side span.d { font-size: 17px; color: #4A525C; }
.life__band { padding: 32px 24px; background: var(--cobalt); color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; text-align: center; }
.life__mark { width: 76px; height: 76px; border-radius: 50%; background: #fff; display: flex; align-items: center; justify-content: center; }
.life__mark img { width: 48px; height: 48px; }
.life__band b { font-family: var(--arch); font-size: 20px; font-weight: 800; letter-spacing: .06em; line-height: 1.3; }
.life__o, .life__f { padding: 22px 32px; border-bottom: 1px solid var(--line2); color: var(--ink); font-family: var(--arch); font-size: 22px; line-height: 1.35; font-weight: 600; display: flex; align-items: center; }
.life__o { justify-content: flex-end; text-align: right; }
.life__last { border-bottom: 0; }
.life__mid { background: var(--cobalt); color: #fff; padding: 16px 22px; border-top: 1px solid #3A6CDB; display: flex; align-items: center; gap: 14px; font-family: var(--arch); font-size: 19px; font-weight: 700; }
.life__mid .t { flex: 1; }
.life__mid--back .t { text-align: right; }
.life__mid .a { font-size: 24px; line-height: 1; flex: none; }
.life__chip { width: 44px; height: 44px; flex: none; border-radius: 10px; background: #fff; color: var(--cobalt); display: flex; align-items: center; justify-content: center; }
.lifem { display: none; }

/* 02 intro + stage index */
.intro { padding: 88px 40px 0; }
.intro__grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 64px; align-items: end; margin-top: 24px; }
.sidx { position: sticky; top: var(--hdr); z-index: 10; background: #fff; border-bottom: 1px solid var(--line); }
.sidx__in { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); }
.sidx a { padding: 14px 0; border-top: 3px solid var(--line); display: flex; gap: 10px; color: var(--ink); font-weight: 600; font-size: 16px; }
.sidx a span { font-family: var(--mono); color: var(--muted); }
.sidx a:hover { text-decoration: none; color: var(--cobalt); }
.sidx a.on { border-top-color: var(--cobalt); }
.sidx a.on span { color: var(--cobalt); }
.sidx-wrap { padding: 36px 40px 0; }

/* stages */
.stage { padding: 80px 40px; }
.stage--first { padding-top: 56px; }
.stage--threads { border-top: 1px solid var(--line); }
.stage__grid { display: grid; gap: 64px; align-items: center; }
.g57 { grid-template-columns: minmax(0,5fr) minmax(0,7fr); }
.g75 { grid-template-columns: minmax(0,7fr) minmax(0,5fr); }
.stage__copy { display: flex; flex-direction: column; gap: 20px; }
.pair { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 16px; border-top: 1px solid var(--line); padding-top: 18px; }
.pair div { display: flex; flex-direction: column; gap: 4px; }
.pair b { font-family: var(--mono); font-size: 13px; font-weight: 600; letter-spacing: .05em; color: var(--muted); }
.pair span { font-size: 17px; color: var(--ink); line-height: 1.5; }
.shot { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: 0 20px 40px -24px rgba(21,25,31,.22); background: #fff; }
.shot__bar { height: 36px; background: var(--gray); border-bottom: 1px solid var(--line); display: flex; align-items: center; padding: 0 16px; font-family: var(--mono); font-size: 13px; color: var(--muted); }
.shot img { display: block; width: 100%; height: auto; }
.chain { margin-top: 44px; background: var(--gray); border: 1px solid var(--line); border-radius: 14px; padding: 32px; display: flex; flex-direction: column; gap: 22px; }
.chain__h { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; }
.chain__h b { font-size: 21px; font-weight: 700; color: var(--ink); }
.chain__grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 18px; }
.step { display: flex; flex-direction: column; gap: 12px; }
.step__h { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); font-size: 17px; }
.num { width: 28px; height: 28px; flex: none; border-radius: 50%; background: var(--cobalt); color: #fff; font-family: var(--mono); font-size: 13px; font-weight: 600; display: flex; align-items: center; justify-content: center; }
.step img { display: block; width: 100%; aspect-ratio: 4/3; object-fit: contain; object-position: center; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.step p { font-size: 16px; line-height: 1.5; }

/* stage 03 visuals */
.s3vis { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,1fr); gap: 12px; }
.needs { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 22px; display: flex; flex-direction: column; gap: 12px; }
.needs__h { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .05em; color: var(--muted); }
.needs li { display: flex; gap: 10px; align-items: baseline; font-size: 16px; line-height: 1.4; color: var(--ink); }
.needs li .status { margin-left: 6px; }
.needs ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.needs li::before { content: ""; width: 8px; height: 8px; flex: none; border-radius: 2px; background: var(--cobalt); transform: translateY(-1px); }
.needs li.is-soon::before { background: #C9CED6; }
.pic { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; display: flex; flex-direction: column; }
.pic img { display: block; width: 100%; height: auto; }
.pic figcaption { font-size: 14px; color: var(--muted); padding: 8px 12px; border-top: 1px solid var(--line2); }
.s3vis figure { margin: 0; }
.soonline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; font-size: 16px; color: var(--muted); }

/* stage 04 */
.s4still { display: block; width: 100%; border-radius: 12px; border: 1px solid var(--line); box-shadow: 0 20px 40px -24px rgba(21,25,31,.22); }
.tt { margin-top: 40px; background: var(--gray2); border: 1px solid var(--line); border-radius: 16px; padding: 44px 56px; display: grid; grid-template-columns: 280px minmax(0,1fr); gap: 64px; align-items: center; }
.tt .vcard__media { border-radius: 24px; border-color: var(--input); box-shadow: 0 30px 50px -24px rgba(21,25,31,.4); }
.tt__copy { display: flex; flex-direction: column; gap: 18px; max-width: 600px; }

/* stage 05 */
.strip { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; }
.strip div { background: var(--gray); border-radius: 8px; padding: 14px 16px; display: flex; flex-direction: column; gap: 4px; }
.strip b { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .05em; color: var(--cobalt); }
.strip span { font-size: 16px; line-height: 1.4; color: var(--ink); }

/* 03 who */
.who { display: grid; grid-template-columns: minmax(0,5fr) minmax(0,7fr); gap: 64px; align-items: start; }
.who__copy { display: flex; flex-direction: column; gap: 20px; }
.who h2 { font-size: 40px; line-height: 1.15; font-weight: 700; letter-spacing: -.015em; }
.roles { background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.role { padding: 26px 32px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 200px minmax(0,1fr); gap: 24px; }
.role:last-child { border-bottom: 0; }
.role h3 { font-size: 21px; font-weight: 700; }
.who__note { max-width: 1240px; margin: 36px auto 0; color: var(--ink); }

/* 04 founder */
.founder { display: grid; grid-template-columns: 300px minmax(0,1fr); gap: 64px; align-items: center; }
.founder > img { width: 100%; height: auto; aspect-ratio: 4/5; object-fit: cover; border-radius: 12px; display: block; }
.founder__copy { display: flex; flex-direction: column; gap: 20px; max-width: 700px; }
.founder h2 { font-size: 36px; line-height: 1.18; font-weight: 700; letter-spacing: -.015em; }
.pod { margin-top: 6px; display: flex; align-items: center; gap: 20px; background: var(--gray); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px 16px 16px; color: inherit; }
.pod:hover { text-decoration: none; color: inherit; border-color: var(--input); }
.pod img { width: 88px; height: 88px; flex: none; border-radius: 8px; object-fit: cover; display: block; border: 1px solid var(--line); }
.pod__t { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.pod__show { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .05em; color: var(--muted); }
.pod__ep { font-size: 18px; font-weight: 700; color: var(--ink); line-height: 1.35; }
.pod__d { font-size: 16px; line-height: 1.45; color: var(--body); }
.founder__by { display: flex; flex-direction: column; gap: 2px; }
.founder__by > span:first-child { font-weight: 600; color: var(--ink); }
.pod__go { flex: none; display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 600; color: var(--cobalt); white-space: nowrap; }
.pod__go i { width: 36px; height: 36px; border-radius: 50%; background: var(--cobalt); display: flex; align-items: center; justify-content: center; }
.pod__go i::after { content: ""; width: 0; height: 0; border-left: 11px solid #fff; border-top: 7px solid transparent; border-bottom: 7px solid transparent; margin-left: 3px; }

/* demo form */
.demo { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 72px; align-items: start; }
.demo__copy { display: flex; flex-direction: column; gap: 22px; }
.demo__copy > img { width: 44px; height: 44px; }
.demo__links { display: flex; gap: 24px; font-weight: 600; flex-wrap: wrap; }
.form { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 36px; display: flex; flex-direction: column; gap: 18px; }
.form__h { font-size: 22px; font-weight: 700; color: var(--ink); }
.form__grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 16px; }
.fld { display: flex; flex-direction: column; gap: 6px; font-size: 15px; font-weight: 600; color: var(--ink); }
.fld input, .fld select, .fld textarea { font: inherit; font-weight: 400; font-size: 17px; color: var(--ink); height: 48px; border: 1px solid var(--input); border-radius: 6px; background: #fff; padding: 0 14px; width: 100%; }
.fld textarea { height: 88px; padding: 12px 14px; resize: vertical; }
.fld select { appearance: none; -webkit-appearance: none; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235A6370' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 14px center; }
.fld select:invalid { color: var(--muted); }
.fld .err { display: none; font-size: 14px; font-weight: 500; color: #B42318; }
.fld.bad input, .fld.bad select { border-color: #B42318; }
.fld.bad .err { display: block; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .btn { width: 100%; }
.form__fine { font-size: 15px; color: var(--muted); }
.form__msg { font-size: 15px; color: #B42318; }
.form-done h3 { font-size: 22px; margin-bottom: 8px; }

/* footer */
.ftr { background: var(--ink); color: #D5DAE1; padding: 56px 40px 36px; }
.ftr__top { display: grid; grid-template-columns: minmax(0,2fr) repeat(3,minmax(0,1fr)); gap: 40px; }
.ftr__brand { display: flex; flex-direction: column; gap: 14px; }
.ftr__chip { background: #fff; border-radius: 8px; padding: 12px 16px; width: fit-content; }
.ftr__chip img { height: 26px; width: auto; display: block; }
.ftr__tag { font-family: var(--mono); font-size: 14px; letter-spacing: .12em; color: #fff; }
.ftr__col { display: flex; flex-direction: column; gap: 10px; font-size: 16px; }
.ftr__col b { font-family: var(--mono); font-size: 13px; font-weight: 400; letter-spacing: .06em; color: var(--tert); }
.ftr__col a { color: #fff; }
.ftr__base { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid #2E353E; padding-top: 24px; margin-top: 40px; font-size: 14px; color: var(--tert); }
.ftr__base a { color: var(--tert); }
.ftr__base span:last-child { display: flex; gap: 20px; }

/* sticky mobile bar */
.mbar { display: none; }

/* lightbox */
.lb { border: 0; padding: 0; margin: 0; width: 100vw; height: 100vh; height: 100dvh; max-width: none; max-height: none; background: transparent; color: #fff; }
.lb::backdrop { background: rgba(10,13,17,.84); }
.lb__in { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px 40px; gap: 14px; }
.lb__top { width: min(1120px, 100%); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.lb__kicker { font-family: var(--mono); font-size: 13px; font-weight: 600; letter-spacing: .05em; color: var(--on-dark); }
.lb__title { font-size: 22px; font-weight: 700; color: #fff; }
.lb__close { width: 48px; height: 48px; flex: none; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.08); color: #fff; font-size: 26px; line-height: 1; cursor: pointer; }
.lb__stage { position: relative; display: flex; align-items: center; justify-content: center; min-height: 0; flex: 1 1 auto; width: 100%; }
.lb__stage video { display: block; max-width: min(1120px, 100%); max-height: 100%; width: auto; height: auto; border-radius: 10px; background: #000; }
.lb--portrait .lb__stage video { max-width: 100%; }
.lb__bar { width: min(1120px, 100%); display: flex; align-items: center; gap: 12px; }
.lb__btn { width: 44px; height: 44px; flex: none; border-radius: 8px; border: 0; background: rgba(255,255,255,.1); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; font: 600 13px var(--mono); }
.lb__btn:hover { background: rgba(255,255,255,.18); }
.lb__btn svg { width: 20px; height: 20px; }
.lb__scrub { flex: 1; accent-color: var(--scrub); height: 44px; }
.lb__time { font-family: var(--mono); font-size: 13px; color: #D5DAE1; min-width: 92px; text-align: right; }
.lb__desc { width: min(1120px, 100%); font-size: 16px; color: #D5DAE1; display: flex; flex-direction: column; gap: 6px; }
.lb__desc details { font-size: 15px; }
.lb__desc summary { color: var(--on-dark); cursor: pointer; font-weight: 600; }
.lb__desc details p { margin-top: 6px; color: #D5DAE1; }
.lb__hint { display: none; font-size: 14px; color: var(--tert); }

/* ---------- responsive ---------- */
@media (max-width: 1200px) {
  .hdr__nav { gap: 20px; }
  .hdr__in { gap: 28px; }
}
@media (max-width: 1080px) {
  .hdr__nav { display: none; }
  .hdr__menu { display: flex; }
  .hdr__right { margin-left: auto; }
  .mmenu[data-open] { display: flex; flex-direction: column; position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 40px 16px; box-shadow: 0 16px 24px -16px rgba(21,25,31,.25); }
  .mmenu a { font-size: 19px; padding: 14px 0; color: var(--ink); border-bottom: 1px solid var(--line2); }
  .mmenu a:last-child { border-bottom: 0; }
}
@media (max-width: 1000px) {
  .hero__grid, .g57, .g75, .who, .demo, .founder { grid-template-columns: minmax(0,1fr); gap: 36px; }
  .g75 > .stage__copy { order: -1; }
  .stage__grid > .stage__copy { order: -1; }
  .life__head, .intro__grid { grid-template-columns: minmax(0,1fr); gap: 20px; }
  .chain__grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .tt { grid-template-columns: minmax(0,1fr); padding: 32px; gap: 28px; }
  .tt .vcard { max-width: 280px; margin: 0 auto; }
  .founder > img { max-width: 300px; }
  .ftr__top { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .ftr__brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .life { display: none; }
  .lifem { display: block; margin-top: 24px; background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
  .lifem__h { display: flex; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .05em; color: var(--ink); }
  .lifem__h span:nth-child(2) { color: var(--cobalt); }
  .lifem__h span:nth-child(3) { color: var(--rust); }
  .lifem__row { padding: 14px 16px; border-bottom: 1px solid var(--line2); display: flex; flex-direction: column; gap: 8px; }
  .lifem__row:last-child { border-bottom: 0; }
  .lifem__row p { font-size: 16px; line-height: 1.4; color: var(--ink); }
  .lifem__row p b { font-family: var(--mono); font-size: 11px; font-weight: 600; color: var(--muted); letter-spacing: .05em; }
  .lifem__row p.f b { color: var(--rust); }
  .lifem__row .m { align-self: flex-start; background: var(--cobalt); color: #fff; border-radius: 5px; padding: 4px 10px; font-size: 14px; font-weight: 600; }
  .s3vis { grid-template-columns: minmax(0,1fr); }
}
@media (max-width: 600px) {
  :root { --hdr: 60px; }
  html { scroll-padding-top: calc(var(--hdr) + 60px); }
  body { font-size: 17px; padding-bottom: 72px; }
  .sec, .hero, .stage { padding: 40px 20px; }
  .intro { padding: 44px 20px 0; }
  .hdr__in { padding: 0 20px; gap: 12px; }
  .hdr__logo img { height: 22px; }
  .hdr__sign { display: none; }
  .hdr__right { gap: 8px; }
  .hdr__cta { font-size: 15px; padding: 0 14px; height: 44px; }
  .mmenu[data-open] { padding: 4px 20px 12px; }
  .eyebrow { font-size: 13px; letter-spacing: .05em; }
  .hero { padding-top: 32px; }
  .hero__grid { display: flex; flex-direction: column; gap: 18px; }
  .hero__copy { display: contents; }
  .hero__eyebrow { order: 1; } .hero h1 { order: 2; } .hero__sub { order: 3; } .vcard--hero { order: 4; } .hero__btns { order: 5; } .hero__pilot { order: 6; }
  .hero__copy { gap: 18px; }
  .hero h1 { font-size: 34px; line-height: 1.12; }
  .hero__sub { font-size: 18px; }
  .hero__btns { flex-direction: column; gap: 10px; }
  .hero__btns .btn { height: 52px; width: 100%; }
  .hero__pilot { text-align: center; font-size: 15px; }
  .h2, .life__head h2 { font-size: 28px; line-height: 1.18; letter-spacing: -.01em; font-family: var(--sans); font-weight: 700; }
  .h3 { font-size: 24px; line-height: 1.22; }
  .who h2 { font-size: 26px; line-height: 1.2; }
  .founder h2 { font-size: 24px; line-height: 1.22; }
  .life__head p { font-size: 17px; }
  .play { width: 60px; height: 60px; margin: -30px 0 0 -30px; }
  .play::after { border-left-width: 18px; border-top-width: 11px; border-bottom-width: 11px; margin-left: 5px; }
  .vcard__title { font-size: 18px; }
  .sidx-wrap { padding: 14px 0 0; }
  .sidx__in { display: flex; gap: 6px; overflow-x: auto; padding: 10px 20px; scrollbar-width: none; }
  .sidx__in::-webkit-scrollbar { display: none; }
  .sidx a { flex: none; height: 44px; padding: 0 14px; border: 1px solid var(--input); border-radius: 999px; font-size: 14px; align-items: center; gap: 6px; }
  .sidx a span { color: inherit; }
  .sidx a.on { background: var(--cobalt); border-color: var(--cobalt); color: #fff; }
  .sidx a.on span { color: #fff; }
  .stage--first { padding-top: 28px; }
  .stage__grid { gap: 20px; }
  .stage__copy { gap: 16px; }
  .pair { grid-template-columns: minmax(0,1fr); gap: 6px; background: var(--gray); border-radius: 8px; padding: 14px 16px; border-top: 0; }
  .sec--gray .pair, .stage.sec--gray .pair { background: #fff; }
  .pair div { flex-direction: row; gap: 6px; display: block; }
  .pair b { font-size: 12px; }
  .pair b::after { content: " · "; }
  .pair span { font-size: 16px; }
  .shot__bar { display: none; }
  .chain { margin-top: 20px; padding: 0; background: none; border: 0; border-top: 1px solid var(--line); border-radius: 0; gap: 0; }
  .chain__h { display: none; }
  .chain__grid { grid-template-columns: minmax(0,1fr); gap: 0; }
  .step { display: grid; grid-template-columns: 96px minmax(0,1fr); grid-template-rows: auto 1fr; column-gap: 14px; row-gap: 2px; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .step img, .step .ph { grid-row: 1 / span 2; grid-column: 1; width: 96px; height: 72px; padding: 6px; }
  .step .ph .ph__t, .step .ph .ph__d { display: none; }
  .step .ph .ph__k { font-size: 10px; }
  .step__h { grid-column: 2; font-size: 16px; }
  .step__h .num { width: auto; height: auto; background: none; color: var(--cobalt); font-size: 14px; border-radius: 0; }
  .step p { grid-column: 2; font-size: 15px; line-height: 1.45; }
  .tt { padding: 24px 20px; margin-top: 8px; border-radius: 14px; }
  .tt .vcard { max-width: 220px; }
  .strip { grid-template-columns: minmax(0,1fr); gap: 8px; }
  .strip div { background: none; padding: 0; display: grid; grid-template-columns: 84px minmax(0,1fr); gap: 10px; }
  .strip b { padding-top: 2px; }
  .role { grid-template-columns: minmax(0,1fr); gap: 4px; padding: 16px 18px; }
  .role h3 { font-size: 18px; }
  .role p { font-size: 16px; }
  .founder { gap: 16px; }
  .founder > img { display: none; }
  .fm { display: flex; gap: 16px; align-items: center; }
  .fm img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; object-position: 50% 25%; }
  .fm span { display: flex; flex-direction: column; }
  .fm b { font-weight: 700; color: var(--ink); font-size: 18px; }
  .fm i { font-style: normal; font-size: 15px; color: var(--muted); }
  .founder__by { display: none; }
  .pod { flex-wrap: wrap; padding: 16px; gap: 14px; }
  .pod img { width: 72px; height: 72px; }
  .pod__d { font-size: 15px; }
  .pod__go { width: 100%; height: 48px; justify-content: center; border: 1.5px solid var(--cobalt); border-radius: 6px; }
  .pod__go i { display: none; }
  .form { padding: 0; border: 0; background: none; gap: 12px; }
  .form__h { display: none; }
  .form__grid { grid-template-columns: minmax(0,1fr); gap: 12px; }
  .fld input, .fld select { height: 50px; }
  .form .btn { height: 52px; }
  .demo__links { justify-content: space-between; }
  .demo__copy > img { width: 36px; height: 36px; }
  .ftr { padding: 36px 20px 28px; }
  .ftr__top { grid-template-columns: 1fr 1fr; gap: 20px; }
  .ftr__col b { display: none; }
  .ftr__base { flex-direction: column; margin-top: 20px; }
  .mbar { display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 15; background: #fff; border-top: 1px solid var(--line); padding: 10px 20px calc(10px + env(safe-area-inset-bottom)); gap: 10px; align-items: center; transform: translateY(110%); transition: transform .2s ease; }
  .mbar.show { transform: none; }
  .mbar span { flex: 1; font-size: 14px; line-height: 1.35; color: var(--body); }
  .mbar .btn { height: 48px; padding: 0 18px; font-size: 16px; }
  .lb__in { padding: 12px; }
  .lb__close { width: 44px; height: 44px; }
  .lb__title { font-size: 18px; }
  .lb__time { min-width: 0; }
  .lb--land .lb__hint { display: block; }
}
@media (min-width: 601px) { .fm { display: none; } }
@media (prefers-reduced-motion: reduce) { .mbar { transition: none; } }

.tt .chip--br { top: 12px; bottom: auto; }

.vcard--step .vcard__media { border-radius: 8px; box-shadow: none; }
.vcard--step .vcard__media { background: #EEF1F5; }
.vcard--step .play { width: 48px; height: 48px; margin: -24px 0 0 -24px; }
.vcard--step .play::after { border-left-width: 15px; border-top-width: 9px; border-bottom-width: 9px; margin-left: 4px; }
@media (max-width: 600px) { .step .vcard--step { grid-row: 1 / span 2; grid-column: 1; width: 96px; } .step .vcard--step .chip { display: none; } .step .vcard--step .play { width: 32px; height: 32px; margin: -16px 0 0 -16px; } .step .vcard--step .play::after { border-left-width: 10px; border-top-width: 6px; border-bottom-width: 6px; margin-left: 3px; } }

.s3clip { grid-column: 1 / -1; aspect-ratio: 16 / 9; background: repeating-linear-gradient(135deg,#1E242C 0 10px,#252C35 10px 20px); border-color: #5A6370; }

.s3clip-card { grid-column: 1 / -1; }