/* VideoTrimming design system v2: "editing suite". Light by default, dark via the toggle. */
@font-face{font-family:"Bricolage Grotesque";src:url(/fonts/bricolage-var.woff2) format("woff2");font-weight:500 800;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url(/fonts/instrument-var.woff2) format("woff2");font-weight:400 700;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(/fonts/jetbrains-var.woff2) format("woff2");font-weight:500 700;font-display:swap}
@font-face{font-family:"Body Fallback";src:local("Arial");size-adjust:101%;ascent-override:92%;descent-override:24%}

:root{
  --bg:#FAF7F0; --surface:#FFFFFF; --surface-2:#F2EEE4; --tint:#FFF4C2; --line:#DED8C9; --border:#8C8676;
  --ink:#14151A; --ink-2:#2E3038; --muted:#5A5F6A; --detail:#14151A;
  --trim:#FFCC00; --trim-2:#F2B800; --trim-ink:#171302; --play:#E0401C;
  --deep:#14151A; --deep-ink:#F5F2EA;
  --ok:#177A4B; --ok-bg:#E6F6EE; --err:#C4263C; --err-bg:#FDECEF; --warn:#8A5200; --warn-bg:#FFF4DC; --info-bg:#F2EEE4;
  --glow:rgba(255,204,0,.30); --focus:#14151A;
  --display:"Bricolage Grotesque","Body Fallback",system-ui,sans-serif;
  --font:"Instrument Sans","Body Fallback",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --wrap:100%; --narrow:720px; --gutter:clamp(16px,4.5vw,96px); /* full width: content spans the screen, gutters scale */ --section:clamp(64px,9vw,120px);
  --r-xs:6px; --r-sm:10px; --r-md:16px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,21,26,.06); --sh-2:0 1px 2px rgba(20,21,26,.05),0 12px 28px -18px rgba(20,21,26,.35);
  --sh-3:0 2px 6px rgba(20,21,26,.05),0 34px 70px -40px rgba(20,21,26,.45);
  --ease:cubic-bezier(.2,.7,.2,1); --t-fast:140ms; --t-base:220ms; --t-slow:600ms;
  --z-nav:30; --z-toast:60; --z-modal:80;
  --logo-h:var(--trim); --logo-t:var(--ink); --logo-g:var(--trim-ink);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#0D0E11; --surface:#16181D; --surface-2:#1E2128; --tint:#2A2510; --line:#2B2F38; --border:#7A808C;
  --ink:#F5F2EA; --ink-2:#D9D6CE; --muted:#A4A9B4; --detail:#3A3F4A;
  --trim:#FFD60A; --trim-2:#FFE14D; --play:#FF6A4A;
  --deep:#050608; --deep-ink:#F5F2EA;
  --ok:#5FD39A; --ok-bg:#0E3325; --err:#FF8FA0; --err-bg:#3B141C; --warn:#FFC966; --warn-bg:#382A0C; --info-bg:#1E2128;
  --glow:rgba(255,214,10,.14); --focus:#FFD60A;
  --sh-2:0 1px 2px rgba(0,0,0,.4),0 12px 28px -18px rgba(0,0,0,.9); --sh-3:0 2px 6px rgba(0,0,0,.4),0 34px 70px -40px rgba(0,0,0,.95);
  color-scheme:dark;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.65 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background var(--t-base),color var(--t-base)}
img,svg,video{max-width:100%}
a{color:var(--ink);text-decoration-color:var(--trim-2);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{text-decoration-color:var(--ink)}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);margin:0 0 .5em;font-weight:800;text-wrap:balance}
h1{font-size:clamp(2.2rem,5vw,3.8rem);line-height:1;letter-spacing:-.04em}
h2{font-size:clamp(1.8rem,4vw,3rem);line-height:1.04;letter-spacing:-.035em}
h3{font-size:1.3rem;line-height:1.2;letter-spacing:-.02em;font-weight:700}
h4{font-size:1.05rem;font-weight:700}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
[hidden]{display:none!important}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.wrap--narrow{max-width:calc(var(--narrow) + 2*var(--gutter))}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:16px;top:-80px;z-index:var(--z-modal);background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:var(--r-pill);font-weight:700;text-decoration:none}
.skip:focus{top:12px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.lead{font-size:clamp(1.02rem,1.5vw,1.2rem);line-height:1.6;color:var(--muted);max-width:62ch}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:600 .74rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--trim);box-shadow:0 0 0 3px var(--glow)}
.center{text-align:center}.center .lead{margin-inline:auto}
.b,.p{color:inherit}
.ico{width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.ico .a{fill:var(--trim);stroke:none}

/* ---------- logo ---------- */
.lockup{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font:700 1.18rem/1 var(--display);letter-spacing:-.03em}
.mark{width:32px;height:32px;flex:none;transition:transform var(--t-base) var(--ease)}
.lockup:hover .mark{transform:rotate(-6deg) scale(1.06)}
.wm b{font-weight:800}.wm span{font-weight:600}
.mark--mono{--logo-h:var(--deep-ink);--logo-t:var(--deep-ink);--logo-g:transparent}

/* ---------- buttons ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border:0;border-radius:var(--r-pill);font:700 1rem/1 var(--font);cursor:pointer;text-decoration:none;white-space:nowrap;transition:background var(--t-fast),box-shadow var(--t-fast),transform var(--t-fast) var(--ease),color var(--t-fast)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn .ico{width:20px;height:20px}
.btn--pink,.btn--primary,.btn--white{background:var(--trim);color:var(--trim-ink);box-shadow:inset 0 -2px 0 rgba(0,0,0,.12)}
.btn--pink:hover,.btn--primary:hover,.btn--white:hover{background:var(--trim-2);color:var(--trim-ink)}
.btn--blue{background:var(--ink);color:var(--bg)}
.btn--blue:hover{background:var(--ink-2);color:var(--bg)}
.btn--ghost{background:var(--surface);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--border)}
.btn--ghost:hover{box-shadow:inset 0 0 0 1.5px var(--ink);color:var(--ink)}
.btn--sm{min-height:40px;padding:0 16px;font-size:.9rem}
.btn--lg{min-height:56px;padding:0 30px;font-size:1.08rem}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}
.btn[aria-busy="true"]{cursor:progress}
.btn .arr{transition:transform var(--t-base) var(--ease)}.btn:hover .arr{transform:translateX(3px)}
.linkbtn{background:none;border:0;padding:4px 2px;font:inherit;font-weight:700;color:var(--ink);text-decoration:underline;text-decoration-color:var(--trim-2);text-decoration-thickness:2px;text-underline-offset:3px;cursor:pointer}

/* ---------- inputs ---------- */
.input{width:100%;min-height:48px;padding:0 14px;background:var(--surface);color:var(--ink);border:1.5px solid var(--border);border-radius:var(--r-sm);font:500 max(16px,1rem) var(--font);transition:border-color var(--t-fast),box-shadow var(--t-fast)}
.input::placeholder{color:var(--muted)}
.input:hover{border-color:var(--ink-2)}
.input:focus-visible{outline:0;border-color:var(--ink);box-shadow:0 0 0 4px var(--glow)}
.input[aria-invalid="true"]{border-color:var(--err);box-shadow:0 0 0 4px var(--err-bg)}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field__label{font:600 .7rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.field__error{font:600 .9rem/1.4 var(--font);color:var(--err);margin:8px 0 0}
.input--time{text-align:center;font:700 16px var(--mono);font-variant-numeric:tabular-nums}
.input--ro{background:var(--tint);border-color:transparent}
.helper{font-size:.86rem;line-height:1.5;color:var(--muted);margin:8px 0 0}

/* ---------- header ---------- */
.nav{position:sticky;top:0;z-index:var(--z-nav);background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.3) blur(12px);-webkit-backdrop-filter:saturate(1.3) blur(12px);border-bottom:1px solid var(--line)}
.nav::after{content:"";position:absolute;left:0;right:0;bottom:-7px;height:6px;opacity:.6;pointer-events:none;background:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 12px)}
.nav__in{display:flex;align-items:center;gap:8px;height:64px}
.nav__links{margin-left:auto;display:flex;gap:2px}
.nav__links a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:var(--r-pill);color:var(--muted);font-weight:600;font-size:.93rem;text-decoration:none;transition:color var(--t-fast),background var(--t-fast)}
.nav__links a:hover,.nav__links a[aria-current="page"]{color:var(--ink);background:var(--surface-2)}
.theme{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;display:grid;place-items:center;transition:border-color var(--t-fast),transform var(--t-base) var(--ease)}
.theme:hover{border-color:var(--ink);transform:rotate(-15deg)}
.theme .sun{display:none}:root[data-theme="dark"] .theme .sun{display:block}:root[data-theme="dark"] .theme .moon{display:none}
.nav__sheet{border-top:1px solid var(--line);background:var(--bg);padding:8px var(--gutter) 16px}
.nav__sheet a{display:flex;align-items:center;gap:12px;min-height:52px;padding:0 12px;border-radius:var(--r-md);color:var(--ink);font-weight:600;text-decoration:none}
.nav__sheet a:hover{background:var(--surface-2)}
.nav__sheet .ico{color:var(--muted)}
/* Desktop: icons hidden in the inline nav. Tablet, iPad, phone, foldable: the links become a swipeable tab row under the logo. */
.nav__links .ico{display:none;width:18px;height:18px}
@media(max-width:1100px){
  .nav__in{flex-wrap:wrap;height:auto;padding-top:10px;padding-bottom:8px;row-gap:6px}
  .theme{margin-left:auto}
  .nav__links{order:5;flex:1 1 100%;margin:0 calc(-1*var(--gutter));padding:2px var(--gutter) 4px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;gap:6px;mask-image:linear-gradient(90deg,#000 88%,transparent)}
  .nav__links::-webkit-scrollbar{display:none}
  .nav__links a{flex:none;scroll-snap-align:start;gap:6px;min-height:40px;padding:0 14px;border:1px solid var(--line);background:var(--surface);font-size:.88rem}
  .nav__links a .ico{display:block}
  .nav__links a[aria-current="page"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
  :root{--nav-h:112px}
}
@media(min-width:720px) and (max-width:1100px){.nav__links{mask-image:none;justify-content:center}}
@media(max-width:520px){.nav__more{display:none}:root{--nav-h:104px}.hero .pill{display:none}.hero h1{margin-top:0}}
@media(max-width:350px){.wm{display:none}}

/* ---------- hero (one screen: headline, intro, link bar, demo) ---------- */
.hero{position:relative;overflow:hidden;min-height:calc(100svh - var(--nav-h,64px));display:flex;align-items:center;padding:clamp(20px,4vh,48px) 0 clamp(24px,4vh,48px)}
.hero::before{content:"";position:absolute;inset:auto 50% -120px auto;transform:translateX(50%);width:min(1100px,140vw);height:520px;background:radial-gradient(closest-side,var(--glow),transparent);pointer-events:none}
.hero .wrap{position:relative;text-align:center}
.pill{display:inline-flex;align-items:center;gap:10px;font:600 .74rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:9px 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--surface)}
.pill i{width:8px;height:8px;border-radius:50%;background:var(--play);animation:rec 1.6s ease-in-out infinite}
@keyframes rec{50%{opacity:.25}}
.hero h1{font-size:clamp(2.15rem,min(6vw,8.4vh),5.2rem);line-height:1;letter-spacing:-.045em;margin:clamp(14px,2.4vh,24px) auto clamp(12px,2vh,20px);max-width:none}
.hero h1 .out{display:block;color:var(--ink);animation:trimout 1s var(--ease) .5s forwards}
@keyframes trimout{to{color:color-mix(in srgb,var(--muted) 60%,var(--bg))}}
.keep{position:relative;display:inline-block;white-space:nowrap;padding:.02em .3em .06em;margin:.06em .12em 0;border-block:.07em solid var(--trim);background:color-mix(in srgb,var(--trim) 14%,transparent);animation:frame .7s var(--ease) .9s backwards}
.keep::before,.keep::after{content:"";position:absolute;top:-.07em;bottom:-.07em;width:.22em;background:var(--trim) linear-gradient(var(--trim-ink),var(--trim-ink)) center/.045em 34% no-repeat}
.keep::before{left:-.22em;border-radius:.14em 0 0 .14em;animation:hl .7s var(--ease) .9s backwards}
.keep::after{right:-.22em;border-radius:0 .14em .14em 0;animation:hr .7s var(--ease) .9s backwards}
@keyframes frame{from{border-color:transparent;background:transparent}}
@keyframes hl{from{transform:translateX(-.6em);opacity:0}}
@keyframes hr{from{transform:translateX(.6em);opacity:0}}
.hero .lead{margin:0 auto clamp(16px,3vh,28px);font-size:clamp(1rem,min(1.5vw,2.2vh),1.2rem)}
@media(max-width:600px){.hero h1{font-size:clamp(1.75rem,10.2vw,2.9rem);line-height:1.06}.hero h1 .keep{display:inline-block;margin-top:.12em}}
.page-top{padding:clamp(40px,7vw,88px) 0 clamp(24px,4vw,40px)}
.page-top h1{margin-bottom:16px}
.crumbs{padding-top:24px;font-size:.88rem;color:var(--muted)}
.crumbs+main .page-top{padding-top:20px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--border)}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--ink)}

/* ---------- link bar ---------- */
.toolwrap{margin:0 auto}
.linkbar{position:relative;display:flex;align-items:center;gap:8px;max-width:820px;height:64px;margin:0 auto;padding:0 8px 0 18px;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--r-pill);box-shadow:var(--sh-3);overflow:hidden;transition:border-color var(--t-fast),box-shadow var(--t-fast),max-width var(--t-base) var(--ease)}
.linkbar:hover{border-color:var(--border)}
.linkbar:focus-within{border-color:var(--ink);box-shadow:0 0 0 5px var(--glow),var(--sh-3)}
.linkbar__icon{flex:none;width:22px;height:22px;color:var(--muted);transition:color var(--t-fast),transform var(--t-base) var(--ease)}
.linkbar:focus-within .linkbar__icon{color:var(--ink);transform:rotate(-20deg)}
.linkbar__input{flex:1;min-width:0;height:100%;border:0;background:none;color:var(--ink);font:500 max(16px,1.05rem) var(--font);outline:0;text-overflow:ellipsis}
.linkbar__input::placeholder{color:var(--muted)}
.linkbar__x,.linkbar__cancel{flex:none;background:none;border:0;color:var(--muted);cursor:pointer;min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;font:700 .9rem var(--font)}
.linkbar__cancel{border-radius:var(--r-pill);padding:0 12px;color:var(--ink);text-decoration:underline}
.linkbar__x:hover{color:var(--ink);background:var(--surface-2)}
.linkbar__go{flex:none;height:48px;min-width:136px}
.linkbar.is-empty .linkbar__go{opacity:.6}
.linkbar.is-pasted{border-color:var(--trim);animation:pop .32s var(--ease)}
@keyframes pop{50%{transform:scale(1.015)}}
.linkbar.is-invalid{border-color:var(--err);box-shadow:0 0 0 5px var(--err-bg);animation:shake .3s}
@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.linkbar.is-invalid .linkbar__icon{color:var(--err)}
.linkbar.is-loading{background:var(--tint)}
.linkbar__bar{position:absolute;left:0;bottom:0;height:3px;width:100%;overflow:hidden}
.linkbar__bar::after{content:"";position:absolute;inset:0;width:35%;background:var(--trim);animation:ind 1.1s linear infinite}
@keyframes ind{from{transform:translateX(-100%)}to{transform:translateX(290%)}}
.linkbar.is-loaded{max-width:600px;height:54px;box-shadow:var(--sh-1)}
.linkbar.is-loaded .linkbar__go{height:40px;background:var(--surface);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--border)}
.spin{width:16px;height:16px;border-radius:50%;border:2.5px solid currentColor;border-right-color:transparent;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.toolwrap>.field__error,.toolwrap>.helper,.toolwrap>.permit,.statusline{max-width:820px;margin-left:auto;margin-right:auto}
.toolwrap>.field__error{margin-top:12px}
.permit{font-size:.86rem;color:var(--muted);margin:6px auto 0}
.permit .ico{width:16px;height:16px;vertical-align:-3px;margin-right:4px}
.statusline{font-size:.9rem;font-weight:600;color:var(--ink-2);margin:10px auto 0}.statusline:empty{display:none}
.hero .toolwrap>.helper,.hero .permit,.hero .statusline,.hero .toolwrap>.field__error{text-align:center}
@media(max-width:520px){.linkbar{height:56px;padding-left:14px}.linkbar__go{height:44px;min-width:0;padding:0 16px}.linkbar__go .ico{display:none}.linkbar__icon{display:none}.hero .toolwrap>.helper{display:none}}

/* ---------- demo strip (interactive, under the link bar) ---------- */
.demo{max-width:1040px;margin:clamp(16px,3vh,32px) auto 0;padding:clamp(12px,2vh,20px) clamp(14px,2.4vw,24px);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);text-align:left;box-shadow:var(--sh-2)}
.demo__top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;font-size:.78rem;color:var(--muted)}
.demo__top b{display:inline-flex;align-items:center;gap:8px;font:700 .74rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink)}
.demo__top b .ico{width:18px;height:18px}
.strip{--a:30;--b:64;position:relative;height:clamp(48px,7.5vh,80px);margin:0 18px;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.frames{position:absolute;inset:0;display:grid;grid-template-columns:repeat(14,1fr);gap:2px;border-radius:10px;overflow:hidden}
.frames i{background:radial-gradient(circle at 70% 30%,hsl(calc(var(--h) + 30) 80% 72% / .75) 0 9%,transparent 10%),linear-gradient(165deg,hsl(var(--h) 46% 40%),hsl(calc(var(--h) + 40) 52% 16%))}
.dim{position:absolute;top:0;bottom:0;background:color-mix(in srgb,var(--surface) 74%,transparent);pointer-events:none}
.dim--l{left:0;width:calc(var(--a)*1%);border-radius:10px 0 0 10px}
.dim--r{right:0;width:calc(100% - var(--b)*1%);border-radius:0 10px 10px 0}
.sel{position:absolute;top:-4px;bottom:-4px;left:calc(var(--a)*1%);right:calc(100% - var(--b)*1%);border-block:4px solid var(--trim);cursor:grab}
.sel:active{cursor:grabbing}
.h{position:absolute;top:-4px;bottom:-4px;width:18px;border:0;padding:0;background:var(--trim);cursor:ew-resize;touch-action:none;display:grid;place-items:center}
.h::before{content:"";width:3px;height:36%;border-radius:2px;background:var(--trim-ink)}
.h::after{content:"";position:absolute;inset:-8px -14px}
.h--a{left:calc(var(--a)*1% - 18px);border-radius:8px 0 0 8px}
.h--b{left:calc(var(--b)*1%);border-radius:0 8px 8px 0}
.h:focus-visible{outline:3px solid var(--ink);outline-offset:2px}
.strip.hint .h--a{animation:nudgeL 1.4s var(--ease) 1.6s 2}
.strip.hint .h--b{animation:nudgeR 1.4s var(--ease) 1.6s 2}
@keyframes nudgeL{40%{transform:translateX(-6px)}}
@keyframes nudgeR{40%{transform:translateX(6px)}}
.playhead{position:absolute;top:-10px;bottom:-10px;width:2px;background:var(--play);left:calc(var(--a)*1%);animation:run 4.5s linear infinite;pointer-events:none}
.playhead::before{content:"";position:absolute;top:-4px;left:-5px;width:12px;height:12px;border-radius:3px;background:var(--play)}
@keyframes run{from{left:calc(var(--a)*1%)}to{left:calc(var(--b)*1%)}}
.tc{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin:14px 18px 0}
.tc div{display:flex;flex-direction:column;gap:3px}
.tc div:last-child{text-align:right;align-items:flex-end}
.tc small{font:600 .66rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.tc strong{font:700 clamp(1rem,2.2vw,1.35rem)/1 var(--mono);font-variant-numeric:tabular-nums}
.len{font:700 .84rem/1 var(--mono);background:var(--trim);color:var(--trim-ink);padding:8px 14px;border-radius:var(--r-pill);white-space:nowrap}

/* ---------- tool panel ---------- */
.tool{max-width:1440px;margin:32px auto 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-3);padding:20px;display:grid;grid-template-columns:minmax(0,56fr) minmax(0,44fr);gap:32px;text-align:left;min-height:420px;animation:rise var(--t-slow) var(--ease)}
@keyframes rise{from{opacity:0;transform:translateY(12px)}}
.player{position:relative;aspect-ratio:16/9;border-radius:var(--r-md);background:#000;overflow:hidden}
.player video,.player iframe,#ytw,#yt{position:absolute;inset:0;width:100%;height:100%;border:0}
.player__skel{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-weight:600;background:linear-gradient(100deg,var(--surface-2) 30%,var(--tint) 50%,var(--surface-2) 70%);background-size:200% 100%;animation:shim 1.4s linear infinite}
@keyframes shim{to{background-position:-200% 0}}
.chip{position:absolute;top:12px;right:12px;display:inline-flex;align-items:center;gap:6px;background:var(--play);color:#fff;font:700 .74rem var(--font);padding:6px 12px;border-radius:var(--r-pill);z-index:2}
.chip::before{content:"";width:7px;height:7px;border-radius:50%;background:#fff;animation:rec 1.2s infinite}
.player__note{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:24px;background:var(--info-bg);color:var(--ink);font-weight:600}
.clock{margin:10px 0 0;font:700 .9rem var(--mono);color:var(--ink-2)}
.tool__h{display:flex;align-items:center;gap:8px;font:600 .72rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;padding:0}
.times{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.btnrow{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 22px}
.btn--prev{box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn--prev[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.quality{border:0;margin:0 0 14px;padding:0;min-width:0}
.quality legend{float:left;width:100%}
.quality__opts{clear:both;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.opt{position:relative;display:block;cursor:pointer}
.opt input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.opt span{display:block;padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--r-md);background:var(--surface);min-height:64px;transition:border-color var(--t-fast),background var(--t-fast)}
.opt:hover span{border-color:var(--border)}
.opt b{display:block;font-size:.92rem}.opt small{display:block;font-size:.78rem;color:var(--muted);margin-top:2px}
.opt input:checked+span{border:2px solid var(--trim-2);background:var(--tint);padding:11.5px 13.5px}
.opt input:focus-visible+span{outline:2px solid var(--focus);outline-offset:2px}
.dl{margin-top:14px}
.summary{font-size:.86rem;color:var(--muted);margin:0 0 12px}
.dl__btn{width:100%}
.prog__bar{height:56px;border-radius:var(--r-pill);background:var(--tint);position:relative;overflow:hidden}
.prog__bar i{position:absolute;inset:0;width:30%;background:var(--trim);border-radius:var(--r-pill);animation:ind 1.3s linear infinite}
.prog__txt{margin:12px 0 0;font-size:.88rem;font-weight:600;color:var(--ink-2)}
.notice{border-radius:var(--r-md);padding:12px 16px;background:var(--info-bg);color:var(--ink);font-size:.9rem;line-height:1.5;margin:16px 0}
.notice p{margin:0 0 10px}.notice p:last-child{margin-bottom:0}
.notice--ok{background:var(--ok-bg);box-shadow:inset 4px 0 0 var(--ok)}
.notice--err{background:var(--err-bg);box-shadow:inset 4px 0 0 var(--err)}
.notice--warn{background:var(--warn-bg);box-shadow:inset 4px 0 0 var(--warn)}
.notice--info{box-shadow:inset 4px 0 0 var(--trim-2)}
.notice .btnrow{margin:10px 0 0}
.check{display:flex;gap:12px;align-items:flex-start;font-weight:600;cursor:pointer}
.check input{width:22px;height:22px;margin:1px 0 0;accent-color:var(--ink);flex:none}
.keys{margin-top:20px;font-size:.86rem;color:var(--muted)}
.keys summary{cursor:pointer;font-weight:700;color:var(--ink-2);display:inline-flex;align-items:center;gap:8px}
.keys ul{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px}
kbd{display:inline-block;min-width:24px;text-align:center;padding:1px 6px;border:1px solid var(--border);border-bottom-width:2px;border-radius:var(--r-xs);font:700 11px var(--mono);color:var(--ink);background:var(--surface)}
.toasts{position:fixed;z-index:var(--z-toast);left:var(--gutter);right:var(--gutter);bottom:16px;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}
.toast{pointer-events:auto;max-width:360px;width:100%;display:flex;gap:12px;align-items:flex-start;background:var(--surface);color:var(--ink);border-radius:var(--r-md);box-shadow:var(--sh-3);padding:12px 16px;font-size:.9rem;font-weight:600;border-left:4px solid var(--trim-2);animation:rise var(--t-base) var(--ease)}
.toast--warn{border-color:var(--warn)}.toast--err{border-color:var(--err)}.toast--ok{border-color:var(--ok)}
.toast button{margin-left:auto;background:none;border:0;color:var(--muted);cursor:pointer;font-size:18px;line-height:1;min-width:28px;min-height:28px}
@media(min-width:720px){.toasts{align-items:flex-end;left:auto;right:var(--gutter)}}

/* timeline in the tool: same language as the demo strip */
.tl{position:relative;height:84px;margin:20px 18px 0;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.tl__track{position:absolute;left:0;right:0;top:32px;height:14px;border-radius:7px;background:var(--surface-2);cursor:pointer}
.tl__fill{position:absolute;top:-3px;bottom:-3px;border-block:3px solid var(--trim);background:color-mix(in srgb,var(--trim) 22%,transparent)}
.tl__play{position:absolute;top:-10px;width:2px;height:34px;background:var(--play);transform:translateX(-1px);pointer-events:none}
.tl__h{position:absolute;top:20px;width:16px;height:38px;margin-left:-8px;border-radius:7px;background:var(--trim);box-shadow:var(--sh-2);cursor:ew-resize;touch-action:none;outline:0;transition:width var(--t-fast),height var(--t-fast)}
.tl__h::before{content:"";position:absolute;left:50%;top:50%;width:3px;height:14px;margin:-7px 0 0 -1.5px;background:var(--trim-ink);border-radius:2px}
.tl__h::after{content:"";position:absolute;inset:-6px -14px}
.tl__h:hover{width:18px;height:40px;margin-left:-9px;top:19px}
.tl__h:focus-visible,.tl__h.is-drag{outline:3px solid var(--ink);outline-offset:2px}
.tl__b{position:absolute;bottom:calc(100% + 6px);left:50%;transform:translateX(-50%);font:700 11px var(--mono);color:var(--bg);background:var(--ink);padding:2px 7px;border-radius:var(--r-xs);white-space:nowrap;opacity:0;transition:opacity var(--t-fast);pointer-events:none}
.tl__h:focus-visible .tl__b,.tl__h.is-drag .tl__b,.tl__h:hover .tl__b{opacity:1}
.tl__ticks{position:absolute;left:0;right:0;top:62px;display:flex;justify-content:space-between;font:10px var(--mono);color:var(--muted)}
.tl.is-off .tl__h{opacity:.5;pointer-events:none}
@media(max-width:719px){.tl{margin-inline:22px}.tl__h,.tl__h:hover{width:20px;height:42px;margin-left:-10px;top:18px}.tl__b{opacity:1}}
@media(max-width:1023px){.tool{grid-template-columns:1fr;max-width:680px;gap:24px}}
@media(max-width:719px){.tool{padding:14px}.btnrow .btn{flex:1 1 calc(50% - 8px)}.btnrow .btn--prev{flex-basis:100%}
  .dl{position:sticky;bottom:0;z-index:5;background:var(--surface);margin:16px -14px -14px;padding:12px 14px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);border-radius:0 0 var(--r-xl) var(--r-xl)}
  .toasts{bottom:96px}}
@media(max-width:399px){.quality__opts{grid-template-columns:1fr}}

/* ---------- sections ---------- */
.sec{padding:var(--section) 0}
.sec--blue{background:var(--surface);border-block:1px solid var(--line)}
.sec--pink{background:var(--tint)}
.sec--deep{background:var(--deep);color:var(--deep-ink)}
.sec--deep h2,.sec--deep h3{color:var(--deep-ink)}.sec--deep .lead,.sec--deep p{color:color-mix(in srgb,var(--deep-ink) 75%,transparent)}
.sec__head{margin-bottom:clamp(32px,4vw,48px);max-width:68ch}.center.sec__head{margin-inline:auto}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1023px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(20px,2.4vw,28px);color:var(--ink);text-decoration:none;transition:transform var(--t-base) var(--ease),box-shadow var(--t-base),border-color var(--t-base)}
.card h3{margin:0 0 8px}.card p{color:var(--muted);margin:0}
a.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--ink)}
a.card .go{margin-top:auto;padding-top:18px;display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.9rem}
a.card .go .ico{width:18px;height:18px;transition:transform var(--t-base) var(--ease)}
a.card:hover .go .ico{transform:translateX(4px)}
.chip-i{display:grid;place-items:center;width:52px;height:52px;border-radius:var(--r-md);margin-bottom:18px;background:var(--surface-2);color:var(--ink);transition:transform var(--t-base) var(--ease),background var(--t-base)}
.chip-i .ico{width:28px;height:28px}
.card:hover .chip-i{transform:rotate(-6deg) scale(1.06);background:var(--tint)}
.sec--pink .card{border-color:color-mix(in srgb,var(--trim-2) 40%,var(--line))}
.step__n{display:inline-flex;align-items:center;justify-content:center;font:700 .8rem var(--mono);color:var(--trim-ink);background:var(--trim);padding:6px 10px;border-radius:6px;margin-bottom:18px;width:max-content}
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.bento .card{grid-column:span 2;min-height:210px}
.bento .card--wide{grid-column:span 4}
.bento .card--trim{background:var(--trim);border-color:var(--trim);color:var(--trim-ink)}
.bento .card--trim p,.bento .card--trim h3{color:var(--trim-ink)}
.bento .card--trim .chip-i{background:rgba(0,0,0,.08);color:var(--trim-ink)}
.bento .big{font:700 clamp(1.5rem,3.2vw,2.4rem)/1 var(--mono);letter-spacing:-.02em;margin-bottom:auto;padding-bottom:24px}
@media(max-width:900px){.bento .card,.bento .card--wide{grid-column:span 6}}
.steps{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--bg)}
.steps .card{border:0;border-radius:0;border-left:1px solid var(--line);background:transparent}
.steps .card:first-child{border-left:0}
.steps .card::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--trim);transition:width .9s var(--ease)}
.steps.in .card::after{width:100%}
.steps .card:nth-child(2)::after{transition-delay:.3s}.steps .card:nth-child(3)::after{transition-delay:.6s}
@media(max-width:900px){.steps{grid-template-columns:1fr}.steps .card{border-left:0;border-top:1px solid var(--line)}.steps .card:first-child{border-top:0}}
.marquee{overflow:hidden;border-block:1px solid var(--line);background:var(--surface);padding:14px 0;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee__track{display:flex;gap:40px;width:max-content;animation:scroll 32s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee span{display:inline-flex;align-items:center;gap:10px;font:600 .9rem var(--mono);color:var(--ink-2);white-space:nowrap}
.marquee span .ico{width:18px;height:18px}
@keyframes scroll{to{transform:translateX(-50%)}}
.facts{display:grid;grid-template-columns:max-content 1fr;gap:10px 28px;margin:20px 0}
.facts dt{font:600 .74rem/1.9 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.facts dd{margin:0;color:var(--ink);font-weight:500}
@media(max-width:559px){.facts{grid-template-columns:1fr}.facts dd{margin-bottom:10px}}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);align-items:start}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.cta{text-align:center}.cta h2{margin-inline:auto}.cta p{max-width:56ch;margin:0 auto 26px}
.answer{background:var(--tint);border-radius:var(--r-lg);padding:20px 24px;margin:0 0 32px;font-size:1.08rem;font-weight:500;color:var(--ink);border-left:5px solid var(--trim)}
.answer strong{color:var(--ink)}
.page-top .answer{margin:20px 0 0}
.page-top .meta{margin:0}

/* faq */
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:0 22px;margin-bottom:12px;transition:border-color var(--t-base)}
.faq details[open]{border-color:var(--ink)}
.faq summary{cursor:pointer;font-weight:700;padding:18px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:28px;height:28px;border-radius:50%;background:var(--surface-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2314151A' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center/14px no-repeat;transition:transform var(--t-base) var(--ease),background-color var(--t-base)}
.faq details[open] summary::after{transform:rotate(45deg);background-color:var(--trim)}
.faq details p{color:var(--ink-2);margin:0 0 18px}
.faq-h{display:flex;align-items:center;gap:10px;margin:48px 0 16px;font-size:1.4rem}.faq-h:first-child{margin-top:0}
@supports (interpolate-size:allow-keywords){:root{interpolate-size:allow-keywords}.faq details::details-content{block-size:0;overflow:hidden;transition:block-size var(--t-base) var(--ease),content-visibility var(--t-base) allow-discrete}.faq details[open]::details-content{block-size:auto}}

/* prose */
.prose{max-width:var(--narrow)}
.prose h2{margin-top:2em;font-size:clamp(1.5rem,3vw,2rem);scroll-margin-top:96px}.prose h3{margin-top:1.6em}
.prose p,.prose li{color:var(--ink-2)}.prose strong{color:var(--ink)}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1em}.prose li{margin-bottom:.45em}
.prose li::marker{color:var(--trim-2);font-weight:700}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.92rem;display:block;overflow-x:auto}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{background:var(--surface-2);color:var(--ink);font-weight:700}
.prose code{font-family:var(--mono);background:var(--surface-2);padding:1px 6px;border-radius:var(--r-xs);font-size:.88em}
.summarybox{background:var(--tint);border-radius:var(--r-lg);padding:20px 24px;margin:24px 0;border-left:5px solid var(--trim)}
.summarybox h2{font-size:1.1rem;margin:0 0 8px!important}.summarybox ul{margin:0}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px 24px;margin:0 0 32px;max-width:var(--narrow)}
.toc h2{font-size:1rem;margin:0 0 8px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.toc ol{margin:0;padding-left:1.2em}
.byline{font-size:.88rem;color:var(--muted);margin:0 0 8px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 32px;padding:0;list-style:none}
.chips li{background:var(--surface);border:1px solid var(--line);color:var(--ink-2);font:600 .78rem var(--mono);padding:8px 14px;border-radius:var(--r-pill)}
.steps-list{list-style:none;padding:0;margin:0 0 32px;counter-reset:st}
.steps-list li{counter-increment:st;position:relative;padding-left:60px;margin-bottom:28px}
.steps-list li::before{content:counter(st,decimal-leading-zero);position:absolute;left:0;top:2px;font:700 .8rem var(--mono);color:var(--trim-ink);background:var(--trim);padding:6px 9px;border-radius:6px}
.steps-list h3{margin:0 0 6px}.steps-list p{margin:0 0 6px}
.meta{font-size:.86rem;color:var(--muted)}
.card .eyebrow{margin-bottom:10px}
.form{display:grid;gap:16px;max-width:560px}
.form textarea.input{min-height:140px;padding:12px 14px;line-height:1.5;resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- footer ---------- */
.foot{background:var(--deep);color:var(--deep-ink);padding:clamp(48px,7vw,80px) 0 28px}
.foot p,.foot a{color:color-mix(in srgb,var(--deep-ink) 72%,transparent)}
.foot a:hover{color:var(--deep-ink)}
.foot .lockup{color:var(--deep-ink)}
.foot__cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.foot h2{font:600 .74rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--trim);margin:0 0 14px}
.foot__cols>div>a:not(.lockup){display:block;padding:6px 0;text-decoration:none}
.foot__fine{margin:40px 0 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:.86rem}
.foot .nexa{display:inline-flex;align-items:center;gap:8px;color:var(--deep-ink);font-weight:600;text-decoration:none;border:1px solid rgba(255,255,255,.2);padding:8px 14px;border-radius:var(--r-pill)}
.foot .nexa:hover{border-color:var(--trim)}
@media(max-width:900px){.foot__cols{grid-template-columns:1fr 1fr}.foot__cols>div:first-child{grid-column:1/-1}}
@media(max-width:520px){.foot__cols{grid-template-columns:1fr}}

/* ---------- scroll reveal (added by site.js only when motion is allowed) ---------- */
.js-motion .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:calc(var(--i,0)*70ms)}
.js-motion .reveal.in{opacity:1;transform:none}

@media (max-height:479px) and (orientation:landscape){.nav{position:static}.hero{min-height:0}.player{max-height:55vh}.dl{position:static}}
@media (horizontal-viewport-segments:2){.tool{grid-template-columns:env(viewport-segment-width 0 0) env(viewport-segment-width 1 0);column-gap:calc(env(viewport-segment-left 1 0) - env(viewport-segment-right 0 0));max-width:none}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.hero h1 .out{color:color-mix(in srgb,var(--muted) 60%,var(--bg))}.marquee__track{animation:none}}
.nav__cta{gap:0}
.bento .big kbd{font-size:.5em;padding:6px 12px;border-radius:10px;border-bottom-width:3px;vertical-align:middle}
@media(min-width:1600px){.g3{grid-template-columns:repeat(4,1fr)}.bento{grid-template-columns:repeat(8,1fr)}.bento .card{grid-column:span 2}.bento .card--wide{grid-column:span 4}}
@media(max-width:420px){#paste{display:none!important}}
@media(max-width:360px){.linkbar{flex-wrap:wrap;height:auto;padding:8px;border-radius:var(--r-md)}.linkbar__input{flex:1 1 calc(100% - 52px);height:46px;padding:0 8px}.linkbar__go{flex:1 1 100%}}

/* share banner, above the footer on every page */
.share{background:var(--tint);border-top:1px solid var(--line);padding:clamp(40px,6vw,72px) 0}
.share__in{display:flex;align-items:center;justify-content:space-between;gap:24px 40px;flex-wrap:wrap}
.share h2{font-size:clamp(1.5rem,3vw,2.2rem);margin:0 0 6px}.share p{margin:0;color:var(--ink-2)}
.share__btns{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.sbtn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;min-width:48px;padding:0 12px;border-radius:var(--r-pill);background:var(--surface);border:1.5px solid var(--line);color:var(--ink);font:700 .9rem var(--font);text-decoration:none;cursor:pointer;transition:border-color var(--t-fast),transform var(--t-base) var(--ease),background var(--t-fast)}
.sbtn:hover{border-color:var(--ink);transform:translateY(-2px)}
.sbtn .ico{width:20px;height:20px}
.sbtn--copy{padding:0 18px}
.sbtn--copy.is-done{background:var(--trim);border-color:var(--trim);color:var(--trim-ink)}
@media(max-width:520px){.share__btns{width:100%}.share__btns .btn{width:100%}}

/* ---------- editor detailing: ink lines in light mode, subtle in dark ---------- */
.nav{border-bottom-color:var(--detail)}
.nav::after{bottom:-10px;height:9px;opacity:1;background:
  repeating-linear-gradient(90deg,var(--detail) 0 1px,transparent 1px 120px) 0 0/100% 9px no-repeat,
  repeating-linear-gradient(90deg,color-mix(in srgb,var(--detail) 45%,transparent) 0 1px,transparent 1px 12px) 0 0/100% 5px no-repeat}
.pill{border-color:var(--detail)}
.linkbar{border-color:var(--detail)}
.linkbar:hover{border-color:var(--detail)}
.sec--blue{border-color:var(--detail)}
.steps{border-color:var(--detail)}
.steps .card{border-color:var(--detail)}
.share{border-top-color:var(--detail)}
/* film-strip sprocket holes along the formats strip */
.marquee{border-color:var(--detail);padding:26px 0;background:var(--surface)
  linear-gradient(90deg,var(--detail) 0 10px,transparent 10px) 0 7px/22px 4px repeat-x;
  background-image:linear-gradient(90deg,var(--detail) 0 10px,transparent 10px),linear-gradient(90deg,var(--detail) 0 10px,transparent 10px);
  background-size:22px 4px;background-repeat:repeat-x;background-position:0 7px,0 calc(100% - 7px)}
/* viewfinder corner marks around the demo strip and the tool panel */
.demo,.tool{position:relative;border-color:color-mix(in srgb,var(--detail) 35%,var(--line))}
.demo::before,.tool::before{content:"";position:absolute;inset:-8px;pointer-events:none;
  --c:linear-gradient(var(--detail),var(--detail));
  background:var(--c) 0 0/16px 2px no-repeat,var(--c) 0 0/2px 16px no-repeat,
    var(--c) 100% 0/16px 2px no-repeat,var(--c) 100% 0/2px 16px no-repeat,
    var(--c) 0 100%/16px 2px no-repeat,var(--c) 0 100%/2px 16px no-repeat,
    var(--c) 100% 100%/16px 2px no-repeat,var(--c) 100% 100%/2px 16px no-repeat}
/* section numbers, like a reel counter: FEATURES · 02 */
main{counter-reset:sec}
.sec__head .eyebrow{counter-increment:sec}
.sec__head .eyebrow::after{content:"· " counter(sec,decimal-leading-zero);color:var(--detail);opacity:.55}
/* timecode tick under each section heading */
.sec__head h2::after{content:"";display:block;width:72px;height:6px;margin-top:14px;background:
  linear-gradient(var(--trim),var(--trim)) 0 0/24px 6px no-repeat,
  repeating-linear-gradient(90deg,var(--detail) 0 1px,transparent 1px 6px) 28px 1px/44px 4px no-repeat}
.center.sec__head h2::after{margin-inline:auto}
/* header ruler and border: hidden while scrolling down, back when scrolling up or at the top */
.nav{transition:border-color var(--t-base) var(--ease),background var(--t-base)}
.nav::after{transition:opacity var(--t-base) var(--ease),transform var(--t-base) var(--ease)}
.nav.is-down{border-bottom-color:transparent}
.nav.is-down::after{opacity:0;transform:translateY(-6px)}