/* ==========================================================================
   UnfoldEdu · Writer's Evolution
   Built on the UEd master brand kit (assets/README.md, assets/geometry.json).
   Palette, type and the "Unfold" motion spec are taken from that kit verbatim.
   --------------------------------------------------------------------------
   Teal  #428C96   Ink  #101827   Paper #F8FAFC
   Type  Sora (display + body) · JetBrains Mono (labels, meta, controls)
   Form  Square. No radii. Hairline rules. Ink plates for contrast.
   ========================================================================== */

:root{
  /* brand */
  --teal:        #428C96;
  --teal-deep:   #2F6B73;
  --teal-bright: #4FA3AB;
  --ink:         #101827;
  --ink-2:       #3F4757;
  --ink-3:       #6E7684;
  --paper:       #F8FAFC;
  --white:       #FFFFFF;

  /* functional (non-brand) — status only, never decoration */
  --flag:        #B4553C;

  --line:        rgba(16,24,39,.13);
  --line-soft:   rgba(16,24,39,.07);
  --line-rev:    rgba(248,250,252,.16);
  --tint-teal:   rgba(66,140,150,.10);
  --tint-ink:    rgba(16,24,39,.05);

  --font: 'Sora', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 1180px;
  --gutter: clamp(20px, 5vw, 72px);
  --section: clamp(76px, 10vw, 138px);

  /* the brand move — easings lifted from the kit */
  --e-unfold: cubic-bezier(.45,.9,.28,1);
  --e-point:  cubic-bezier(.25,1,.35,1);
  --e-settle: cubic-bezier(.45,0,.55,1);
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font);
  font-weight:400;
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{ display:block; max-width:100%; }
a{ color:var(--teal-deep); text-decoration:none; }
a:hover{ color:var(--ink); }
::selection{ background:var(--teal); color:#fff; }
:focus-visible{ outline:2px solid var(--teal); outline-offset:3px; }

/* ---------- type ---------- */
h1,h2,h3,h4{ font-weight:600; letter-spacing:-.025em; line-height:1.05; }
.d-xl{ font-size:clamp(3.1rem, 7.6vw, 6.6rem); font-weight:600; letter-spacing:-.042em; line-height:.94; }
.d-lg{ font-size:clamp(2.15rem, 4.6vw, 3.9rem); letter-spacing:-.033em; line-height:1.0; }
.d-md{ font-size:clamp(1.5rem, 2.5vw, 2.25rem); letter-spacing:-.028em; line-height:1.1; }
.d-sm{ font-size:clamp(1.15rem, 1.5vw, 1.35rem); letter-spacing:-.02em; line-height:1.25; }
/* the home headline is a full sentence — sized to read as one, not as a slogan */
.d-hero{ font-size:clamp(2.5rem, 5.4vw, 4.9rem); font-weight:600; letter-spacing:-.038em; line-height:1.0; max-width:17ch; text-wrap:balance; }

.lede{
  font-size:clamp(1.06rem, 1.35vw, 1.28rem);
  font-weight:300; line-height:1.62; color:var(--ink-2);
  max-width:60ch; text-wrap:pretty;
}
p{ color:var(--ink-2); text-wrap:pretty; }
strong{ font-weight:600; color:var(--ink); }

.eyebrow{
  display:flex; align-items:center; gap:14px;
  font-family:var(--mono); font-size:12px; font-weight:400;
  letter-spacing:.18em; text-transform:uppercase; color:var(--teal);
}
.eyebrow .n{ color:var(--teal); opacity:.55; }
.eyebrow.on-ink{ color:var(--teal-bright); }
.meta{ font-family:var(--mono); font-size:12.5px; line-height:1.85; color:var(--ink-2); }

/* Brand casing lock. "UEd" is capital U, capital E, lowercase d — always.
   Wrap every occurrence in the copy: <span class="ued">UEd</span>.
   !important because uppercase labels (.eyebrow, .quote-by, .tier-tag) would
   otherwise flatten it to "UED" and nobody would know how to say it. */
.ued{ text-transform:none !important; font-variant-caps:normal !important; }
.rule{ height:1px; background:var(--ink); opacity:.14; }
.rule.rev{ background:var(--paper); opacity:.16; }

/* ---------- layout ---------- */
.wrap{ max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gutter); }
.wrap-wide{ max-width:1440px; margin-inline:auto; padding-inline:var(--gutter); }
.section{ padding-block:var(--section); }
.section-sm{ padding-block:clamp(52px,6vw,84px); }
.stack{ display:flex; flex-direction:column; }
.g-16{ gap:16px } .g-24{ gap:24px } .g-32{ gap:32px } .g-48{ gap:48px } .g-64{ gap:64px }

.plate{ background:var(--ink); color:var(--paper); }
.plate p,.plate .lede{ color:rgba(248,250,252,.68); }
.plate h1,.plate h2,.plate h3,.plate h4{ color:var(--paper); }
.plate .meta{ color:rgba(248,250,252,.55); }
.accent{ color:var(--teal-bright); }

/* ---------- buttons (mono, square — from the brand doc) ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:12px; font-weight:500;
  letter-spacing:.06em; text-transform:uppercase;
  padding:14px 24px; border:1px solid transparent; cursor:pointer;
  background:var(--teal); color:#fff;
  transition:background .22s var(--e-settle), color .22s, border-color .22s, transform .22s var(--e-point);
}
.btn:hover{ background:var(--teal-bright); color:#fff; transform:translateX(3px); }
.btn .arw{ transition:transform .25s var(--e-point); }
.btn:hover .arw{ transform:translateX(3px); }
.btn-ink{ background:var(--ink); color:var(--paper); }
.btn-ink:hover{ background:var(--teal); color:#fff; }
.btn-line{ background:transparent; color:var(--ink); border-color:rgba(16,24,39,.24); }
.btn-line:hover{ background:var(--ink); color:var(--paper); border-color:var(--ink); }
.btn-rev{ background:transparent; color:var(--paper); border-color:rgba(248,250,252,.3); }
.btn-rev:hover{ background:var(--paper); color:var(--ink); border-color:var(--paper); }
.btn-lg{ padding:17px 30px; font-size:12.5px; }
.btn[disabled]{ opacity:.45; pointer-events:none; }
.btn{ white-space:nowrap; flex-shrink:0; }
@media (max-width:480px){ .btn{ white-space:normal; flex-shrink:1; } }
.btn-row{ display:flex; flex-wrap:wrap; gap:12px; }

.textlink{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--mono); font-size:12px; letter-spacing:.06em; text-transform:uppercase;
  color:var(--ink); border-bottom:1px solid var(--teal); padding-bottom:4px;
  transition:color .2s, gap .2s var(--e-point);
}
.textlink:hover{ color:var(--teal-deep); gap:14px; }
.plate .textlink{ color:var(--paper); border-color:var(--teal-bright); }
.plate .textlink:hover{ color:var(--teal-bright); }

/* ==========================================================================
   THE MARK — exact geometry from assets/geometry.json
   .mark svg has two facets; .mark.fold replays the brand Unfold in place.
   ========================================================================== */
.mark{ display:block; flex:none; }
.mark svg{ width:100%; height:100%; overflow:visible; }
.mark .f-up,.mark .f-lo{ transform-box:fill-box; }

/* in-place unfold — the "lesser fold" used on every page change */
.mark.fold{ animation:m-point 1080ms var(--e-point) both; }
.mark.fold .f-up{ animation:m-unfold 760ms var(--e-unfold) 160ms both; transform-origin:0% 66.67%; }
.mark.fold .f-lo{ animation:m-lift 520ms var(--e-unfold) both; transform-origin:0% 100%; }

@keyframes m-unfold{
  0%   { transform:scaleY(.02); opacity:0; }
  12%  { opacity:1; }
  78%  { transform:scaleY(1.035); }
  100% { transform:scaleY(1); }
}
@keyframes m-lift{
  0%   { transform:translateY(9%); opacity:0; }
  40%  { opacity:1; }
  100% { transform:translateY(0); opacity:1; }
}
@keyframes m-point{
  0%   { transform:translateX(-14%); }
  55%  { transform:translateX(-14%); }
  78%  { transform:translateX(6%); }
  100% { transform:translateX(0); }
}

/* Full-tempo unfold, first visit only. Timings are the kit's brand-move spec
   verbatim: lift 0-360, unfold 360-1400 (incl. settle overshoot),
   point 1120-1600, then hold. The kit is explicit that slower reads as more
   expensive and that the action must not drop below 1.4s. */
.mark.fold-full{ animation:m-point-full 480ms var(--e-point) 1120ms both; }
.mark.fold-full .f-up{ animation:m-unfold-full 1040ms var(--e-unfold) 360ms both; transform-origin:0% 66.67%; }
.mark.fold-full .f-lo{ animation:m-lift-full 360ms var(--e-unfold) both; transform-origin:0% 100%; }

@keyframes m-unfold-full{
  0%   { transform:scaleY(.02); opacity:0; }
  8%   { opacity:1; }
  73%  { transform:scaleY(1.035); }
  100% { transform:scaleY(1); }
}
@keyframes m-lift-full{
  0%   { transform:translateY(9%); opacity:0; }
  35%  { opacity:1; }
  100% { transform:translateY(0); opacity:1; }
}
@keyframes m-point-full{
  0%   { transform:translateX(-4.6%); }
  62%  { transform:translateX(3.3%); }
  100% { transform:translateX(0); }
}

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:60;
  border-bottom:1px solid var(--line-soft);
}
/* The frosted glass lives on a pseudo-element: a backdrop-filter on the header
   itself would make it the containing block of the fixed mobile menu, which
   then collapses to the header's height. */
.site-header::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:rgba(248,250,252,.86);
  backdrop-filter:saturate(1.4) blur(12px);
}
.header-in{
  max-width:1440px; margin-inline:auto; padding:0 var(--gutter);
  height:74px; display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand{ display:flex; align-items:center; gap:13px; color:var(--ink); }
.brand:hover{ color:var(--ink); }
.brand .mark{ width:19px; height:33px; }
.brand .word{ font-size:19px; font-weight:600; letter-spacing:-.03em; }
.brand .slash{ color:var(--ink); opacity:.22; font-weight:300; }
.brand .prod{
  font-family:var(--mono); font-size:11px; letter-spacing:.17em;
  text-transform:uppercase; color:var(--ink-2); padding-top:2px;
}
.site-nav{ display:flex; align-items:center; gap:clamp(18px,2.2vw,34px); }
.site-nav a{
  font-size:14.5px; font-weight:400; color:var(--ink-2);
  padding:26px 0 24px; border-bottom:2px solid transparent; transition:color .2s, border-color .2s;
}
.site-nav a:hover{ color:var(--ink); }
.site-nav a[aria-current="page"]{ color:var(--ink); border-bottom-color:var(--teal); font-weight:500; }
.site-nav .btn{ padding:12px 20px; border-bottom:1px solid transparent; color:#fff; }
.site-nav .btn:hover{ color:#fff; }
.nav-sep{ width:1px; height:20px; background:var(--line); }
.nav-toggle{ display:none; background:none; border:0; cursor:pointer; padding:8px; margin-right:-8px; }
.nav-toggle svg{ width:24px; height:24px; stroke:var(--ink); fill:none; stroke-width:1.6; }

@media (max-width:1020px){
  .site-nav{
    position:fixed; inset:74px 0 auto; z-index:55;
    max-height:calc(100vh - 74px); max-height:calc(100dvh - 74px);
    flex-direction:column; align-items:flex-start; justify-content:flex-start;
    gap:0; padding:12px var(--gutter) 28px; background:var(--paper);
    border-bottom:1px solid var(--line-soft);
    transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity .28s ease, transform .28s var(--e-unfold);
    overflow-y:auto; counter-reset:nav;
  }
  .site-nav.open{ opacity:1; transform:none; pointer-events:auto; }
  /* the open menu continues the header: no frosted seam between them */
  .site-header:has(.site-nav.open)::before{ background:var(--paper); }
  /* the page dims behind the open menu; a tap on it closes the menu (main.js) */
  .site-header::after{
    content:""; position:fixed; inset:74px 0 0; z-index:50;
    background:rgba(16,24,39,.42); opacity:0; pointer-events:none;
    transition:opacity .28s ease;
  }
  .site-header:has(.site-nav.open)::after{ opacity:1; pointer-events:auto; }
  .site-nav a{
    display:flex; align-items:baseline; gap:16px;
    font-size:1.375rem; font-weight:500; letter-spacing:-.02em; line-height:1.3;
    color:var(--ink); padding:15px 0; width:100%; border-bottom:1px solid var(--line-soft);
  }
  /* numbered like the section eyebrows */
  .site-nav a:not(.btn)::before{
    counter-increment:nav; content:"0" counter(nav);
    font-family:var(--mono); font-size:11px; font-weight:400; letter-spacing:.1em;
    color:var(--teal); opacity:.55;
  }
  .site-nav a[aria-current="page"]{ color:var(--teal-deep); }
  .site-nav .btn{
    margin-top:28px; width:100%; justify-content:center; gap:10px;
    font-size:12px; font-weight:500; letter-spacing:.06em; padding:18px 24px; border-bottom:1px solid transparent;
  }
  .site-nav .btn::after{ content:"\2192"; }
  .site-nav .btn:hover{ color:#fff; }
  .nav-sep{ display:none; }
  .nav-toggle{ display:block; z-index:60; }
  .brand .slash,.brand .prod{ display:none; }
}

/* ---------- hero ---------- */
.hero{ padding-top:clamp(52px,7vw,96px); padding-bottom:0; }
.hero-head{ display:grid; grid-template-columns:minmax(0,1fr); gap:34px; }
.hero-lower{
  display:grid; grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:clamp(28px,5vw,72px); align-items:end; margin-top:38px;
}
.hero-facts{ display:grid; grid-template-columns:1fr 1fr; gap:26px 32px; }
.hero-fact .k{ font-family:var(--mono); font-size:11.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--teal); margin-bottom:8px; }
.hero-fact .v{ font-size:15px; font-weight:300; color:var(--ink-2); line-height:1.5; }
.hero-stage{ margin-top:clamp(46px,6vw,78px); position:relative; }
.hero-stage::before{
  content:""; position:absolute; left:0; right:0; bottom:0; height:56%;
  background:var(--ink); z-index:0;
}
.hero-stage .wrap-wide{ position:relative; z-index:1; padding-top:0; padding-bottom:clamp(40px,5vw,64px); }
@media (max-width:900px){
  .hero-lower{ grid-template-columns:1fr; align-items:start; }
  .hero-facts{ grid-template-columns:1fr 1fr; }
}
@media (max-width:520px){ .hero-facts{ grid-template-columns:1fr; gap:20px; } }

/* ---------- page hero (inner pages) ---------- */
.page-hero{ padding-top:clamp(56px,7vw,104px); padding-bottom:clamp(44px,5vw,72px); }
.page-hero .d-xl{ max-width:16ch; }
.page-hero-grid{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,.72fr); gap:clamp(28px,5vw,72px); align-items:end; }
@media (max-width:900px){ .page-hero-grid{ grid-template-columns:1fr; align-items:start; } }

/* ---------- marquee ---------- */
.marquee{ overflow:hidden; padding-block:clamp(18px,2.4vw,30px); border-block:1px solid var(--line); }
.marquee-track{ display:flex; gap:56px; width:max-content; animation:marquee 34s linear infinite; }
.marquee-track span{
  font-size:clamp(2rem,4.6vw,3.6rem); font-weight:600; letter-spacing:-.035em;
  color:var(--ink); white-space:nowrap; line-height:1.1;
}
.marquee-track .tick{ color:var(--teal); font-weight:300; }
@keyframes marquee{ to{ transform:translateX(-50%); } }

/* ---------- section heads ---------- */
.sec-head{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,.8fr); gap:clamp(24px,5vw,64px); align-items:end; }
.sec-head .lede{ padding-bottom:6px; }
/* heading on the right; it stays first in the markup so it reads first on a phone */
.sec-head.flip{ grid-template-columns:minmax(0,.8fr) minmax(0,1fr); }
.sec-head.flip > :first-child{ order:2; }
@media (max-width:860px){
  .sec-head,.sec-head.flip{ grid-template-columns:1fr; align-items:start; }
  .sec-head.flip > :first-child{ order:0; }
}

/* ---------- steps / cards ---------- */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:clamp(36px,5vw,60px); }
.step{ background:var(--paper); padding:32px 28px 38px; display:flex; flex-direction:column; gap:12px; transition:background .3s; }
.step:hover{ background:var(--white); }
.step .n{ font-family:var(--mono); font-size:12px; letter-spacing:.16em; color:var(--teal); }
.step h3{ font-size:1.3rem; margin-top:4px; }
.step p{ font-size:14.5px; font-weight:300; line-height:1.62; }
.steps.three{ grid-template-columns:repeat(3,1fr); }
@media (max-width:980px){ .steps{ grid-template-columns:1fr 1fr; } }
@media (max-width:760px){ .steps.three{ grid-template-columns:1fr; } }
@media (max-width:600px){ .steps{ grid-template-columns:1fr; } }

.cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:clamp(36px,5vw,56px); }
.cards.two{ grid-template-columns:repeat(2,1fr); }
.card{
  background:var(--white); border:1px solid var(--line); padding:34px 30px 38px;
  display:flex; flex-direction:column; gap:14px;
  transition:border-color .3s, transform .35s var(--e-unfold), box-shadow .35s;
}
.card:hover{ border-color:rgba(16,24,39,.3); transform:translateY(-3px); box-shadow:0 22px 44px -32px rgba(16,24,39,.5); }
.card .num{ font-family:var(--mono); font-size:12px; letter-spacing:.16em; color:var(--teal); }
.card h3{ font-size:1.2rem; }
.card p{ font-size:14.5px; font-weight:300; line-height:1.65; }
.plate .card{ background:rgba(248,250,252,.045); border-color:var(--line-rev); }
.plate .card:hover{ border-color:rgba(248,250,252,.35); box-shadow:none; }
@media (max-width:980px){ .cards,.cards.two{ grid-template-columns:1fr 1fr; } }
@media (max-width:640px){ .cards,.cards.two{ grid-template-columns:1fr; } }

/* ---------- split feature rows ---------- */
.split{
  display:grid; grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:clamp(32px,5.5vw,80px); align-items:center;
}
.split + .split{ margin-top:clamp(64px,8vw,120px); }
.split.flip > .split-art{ order:2; }
.split-copy{ display:flex; flex-direction:column; gap:18px; }
.split-copy .lede{ font-size:1.06rem; }
.split-copy .btn-row{ margin-top:10px; }
@media (max-width:940px){
  /* minmax(0,…): a plain 1fr would grow to fit the mocks' unbreakable labels */
  .split{ grid-template-columns:minmax(0,1fr); }
  .split.flip > .split-art{ order:0; }
}

/* ==========================================================================
   PRODUCT UI — mocked app surfaces, drawn in the brand's own language
   ========================================================================== */
.ui{
  background:var(--white); border:1px solid rgba(16,24,39,.16);
  box-shadow:0 40px 80px -50px rgba(16,24,39,.6);
  overflow:hidden; font-size:13px;
}
.ui *{ text-wrap:initial; }
.ui-bar{
  display:flex; align-items:center; gap:14px; padding:0 16px; height:42px;
  border-bottom:1px solid var(--line-soft); background:var(--white);
}
.ui-dots{ display:flex; gap:6px; }
.ui-dots i{ width:7px; height:7px; background:rgba(16,24,39,.15); display:block; }
.ui-tabs{ display:flex; gap:2px; margin-left:6px; }
.ui-tab{
  font-family:var(--mono); font-size:10.5px; letter-spacing:.09em; text-transform:uppercase;
  padding:6px 12px; color:var(--ink-3); background:transparent;
}
.ui-tab.on{ color:var(--ink); background:var(--tint-ink); }
.ui-bar .ui-right{ margin-left:auto; display:flex; align-items:center; gap:12px; }
.ui-chip-sm{
  font-family:var(--mono); font-size:10px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--teal-deep); background:var(--tint-teal); padding:5px 9px;
}
.ui-avatar{ width:24px; height:24px; background:var(--ink); color:#fff; display:grid; place-items:center; font-size:10px; font-weight:600; letter-spacing:0; }

/* editor */
.ui-editor{ display:grid; grid-template-columns:minmax(0,1.5fr) minmax(0,1fr); }
.ui-doc{ padding:26px 30px 30px; border-right:1px solid var(--line-soft); min-width:0; }
.ui-doc .doc-h{ font-family:var(--mono); font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-3); margin-bottom:16px; }
.ui-doc h5{ font-size:17px; font-weight:600; letter-spacing:-.02em; margin-bottom:14px; }
.ui-doc p{ font-size:13.5px; line-height:1.85; color:var(--ink-2); font-weight:300; margin-bottom:12px; }
.ui-doc mark{ background:rgba(66,140,150,.18); color:var(--ink); box-shadow:0 1px 0 var(--teal); padding:1px 0; }
.ui-caret{ display:inline-block; width:1.5px; height:1em; background:var(--teal); vertical-align:-2px; animation:caret 1.1s steps(1,end) infinite; }
@keyframes caret{ 50%{ opacity:0 } }
.ui-coach{ background:var(--paper); padding:22px 22px 26px; display:flex; flex-direction:column; gap:16px; min-width:0; }
.ui-coach-head{ display:flex; align-items:center; gap:10px; }
.ui-coach-head .mark{ width:10px; height:18px; }
.ui-coach-head b{ font-size:12.5px; font-weight:600; letter-spacing:-.01em; }
.ui-coach-head span{ font-family:var(--mono); font-size:9.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--teal); margin-left:auto; }
.ui-msg{ background:var(--white); border:1px solid var(--line-soft); padding:14px 16px; font-size:12.5px; line-height:1.7; color:var(--ink-2); font-weight:300; }
.ui-msg b{ color:var(--ink); font-weight:600; }
.ui-msg.you{ background:var(--ink); border-color:var(--ink); color:rgba(248,250,252,.8); margin-left:26px; }
.ui-quick{ display:flex; flex-wrap:wrap; gap:6px; margin-top:auto; }
.ui-quick span{ font-family:var(--mono); font-size:10px; letter-spacing:.06em; text-transform:uppercase; padding:7px 11px; border:1px solid var(--line); color:var(--ink-2); }
.ui-quick span.hot{ border-color:var(--teal); color:var(--teal-deep); background:var(--tint-teal); }

/* plan check */
.ui-plan{ padding:24px 26px 28px; display:flex; flex-direction:column; gap:0; }
.ui-plan-head{ display:flex; align-items:baseline; gap:14px; margin-bottom:18px; }
.ui-plan-head h5{ font-size:15px; font-weight:600; letter-spacing:-.02em; }
.ui-plan-head .meta{ font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-3); margin-left:auto; }
.beat{ display:grid; grid-template-columns:22px minmax(0,1fr) auto; gap:16px; align-items:start; padding:15px 0; border-top:1px solid var(--line-soft); }
.beat:first-of-type{ border-top:0; }
.beat .bn{ font-family:var(--mono); font-size:11px; color:var(--ink-3); padding-top:2px; }
.beat .bt{ font-size:13.5px; font-weight:500; letter-spacing:-.01em; margin-bottom:5px; }
.beat .bq{ font-size:12px; font-weight:300; line-height:1.6; color:var(--ink-2); border-left:2px solid var(--line); padding-left:11px; }
.chip{
  font-family:var(--mono); font-size:9.5px; letter-spacing:.1em; text-transform:uppercase;
  padding:5px 9px; white-space:nowrap;
}
.chip.ok{ background:var(--tint-teal); color:var(--teal-deep); }
.chip.evo{ background:var(--tint-ink); color:var(--ink-2); }
.chip.dev{ background:rgba(180,85,60,.13); color:var(--flag); }
.chip.solid{ background:var(--ink); color:var(--paper); }

/* teacher dashboard */
.ui-dash{ display:grid; grid-template-columns:minmax(0,1fr); }
.ui-dash-top{ display:grid; grid-template-columns:repeat(4,1fr); border-bottom:1px solid var(--line-soft); }
.ui-stat{ padding:18px 20px 20px; border-right:1px solid var(--line-soft); }
.ui-stat:last-child{ border-right:0; }
.ui-stat .k{ font-family:var(--mono); font-size:9.5px; letter-spacing:.13em; text-transform:uppercase; color:var(--ink-3); margin-bottom:9px; }
.ui-stat .v{ font-size:26px; font-weight:600; letter-spacing:-.035em; line-height:1; }
.ui-stat .v small{ font-size:13px; font-weight:300; color:var(--ink-3); letter-spacing:-.01em; }
.ui-stat.flagged .v{ color:var(--flag); }
.ui-rows{ display:flex; flex-direction:column; }
.ui-row{
  display:grid; grid-template-columns:minmax(0,1.5fr) 96px minmax(0,1.1fr) 78px;
  gap:16px; align-items:center; padding:13px 20px; border-bottom:1px solid var(--line-soft);
  transition:background .2s;
}
.ui-row:hover{ background:var(--paper); }
.ui-row.head{ background:var(--paper); }
.ui-row.head span{ font-family:var(--mono); font-size:9.5px; letter-spacing:.13em; text-transform:uppercase; color:var(--ink-3); }
.ui-who{ display:flex; align-items:center; gap:11px; min-width:0; }
.ui-who i{ width:22px; height:22px; background:var(--tint-ink); display:grid; place-items:center; font-style:normal; font-size:9.5px; font-weight:600; color:var(--ink-2); flex:none; }
.ui-who b{ font-size:13px; font-weight:500; letter-spacing:-.01em; }
.ui-who em{ font-style:normal; font-family:var(--mono); font-size:10px; color:var(--ink-3); display:block; margin-top:1px; }
.traj{ display:flex; align-items:flex-end; gap:3px; height:22px; }
.traj i{ width:5px; background:rgba(16,24,39,.16); display:block; }
.traj.up i:nth-child(1){height:26%} .traj.up i:nth-child(2){height:38%} .traj.up i:nth-child(3){height:52%} .traj.up i:nth-child(4){height:70%} .traj.up i:nth-child(5){height:92%; background:var(--teal)}
.traj.flat i{ height:48% } .traj.flat i:nth-child(5){ height:44%; background:var(--ink-3) }
.traj.down i:nth-child(1){height:82%} .traj.down i:nth-child(2){height:70%} .traj.down i:nth-child(3){height:44%} .traj.down i:nth-child(4){height:30%} .traj.down i:nth-child(5){height:22%; background:var(--flag)}
.ui-note{ font-size:12px; font-weight:300; color:var(--ink-2); line-height:1.5; min-width:0; }

/* story planner / mountain */
.ui-mtn{ padding:26px 28px 28px; }
.ui-mtn svg{ width:100%; height:auto; }
.ui-beats{ display:grid; grid-template-columns:repeat(5,1fr); gap:1px; background:var(--line-soft); border:1px solid var(--line-soft); margin-top:18px; }
.ui-beat{ background:var(--white); padding:13px 13px 15px; }
.ui-beat .k{ font-family:var(--mono); font-size:9px; letter-spacing:.12em; text-transform:uppercase; color:var(--teal); margin-bottom:7px; }
.ui-beat p{ font-size:11.5px; line-height:1.5; font-weight:300; color:var(--ink-2); }
@media (max-width:700px){ .ui-beats{ grid-template-columns:1fr 1fr; } }

/* responsive ui */
@media (max-width:820px){
  .ui-editor{ grid-template-columns:1fr; }
  .ui-doc{ border-right:0; border-bottom:1px solid var(--line-soft); }
  .ui-dash-top{ grid-template-columns:1fr 1fr; }
  .ui-stat:nth-child(2){ border-right:0; }
  .ui-row{ grid-template-columns:minmax(0,1fr) 84px 64px; }
  .ui-row .ui-note, .ui-row.head span:nth-child(3){ display:none; }
}
@media (max-width:520px){
  .ui{ font-size:12px; }
  .ui-tabs{ display:none; }
}

/* ---------- timeline: one spine, events in the order they happen ---------- */
.tl, .lanes-head{ --g:clamp(56px,7vw,104px); }
.tl{
  position:relative; display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  column-gap:var(--g); align-items:start; padding-top:clamp(28px,4vw,48px);
}
.tl::before{ content:""; position:absolute; top:0; bottom:0; left:50%; width:1px; background:var(--ink); opacity:.22; }
.tl-ev{ position:relative; display:flex; flex-direction:column; gap:14px; padding-bottom:clamp(36px,4.5vw,60px); min-width:0; }
.tl-ev::before{ content:""; position:absolute; top:21px; height:1px; width:calc(var(--g) / 2); background:var(--ink); opacity:.28; }
.tl-ev::after{ content:""; position:absolute; top:16px; width:11px; height:11px; background:var(--ink); }
.tl-ev.t::before{ right:calc(var(--g) / -2); }
.tl-ev.t::after{ right:calc(var(--g) / -2 - 5.5px); }
.tl-ev.s::before{ left:calc(var(--g) / -2); }
.tl-ev.s::after{ left:calc(var(--g) / -2 - 5.5px); background:var(--teal); }
.tl-ev.t{ grid-column:1; }
.tl-ev.s{ grid-column:2; }
.tl-who{ font-family:var(--mono); font-size:10.5px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-3); display:flex; align-items:center; gap:10px; min-height:16px; }
.tl-ev.s .tl-who{ color:var(--teal-deep); }
.tl-from{ font-family:var(--mono); font-size:10.5px; letter-spacing:.06em; color:var(--teal-deep); background:var(--tint-teal); padding:6px 10px; align-self:flex-start; }
.tl-ev h4{ font-size:clamp(1.15rem,1.6vw,1.4rem); letter-spacing:-.025em; line-height:1.2; }
.tl-ev > p{ font-size:15px; font-weight:300; line-height:1.65; max-width:52ch; }
.tl-ev.brief{ padding-bottom:clamp(28px,3vw,40px); }
.tl-ev .ui-editor{ grid-template-columns:1fr; }
.tl-ev .ui-doc{ border-right:0; border-bottom:1px solid var(--line-soft); }
.tl-ev .ui-beats{ grid-template-columns:repeat(auto-fit,minmax(96px,1fr)); background:var(--white); gap:0; border:0; border-top:1px solid var(--line-soft); border-left:1px solid var(--line-soft); }
.tl-ev .ui-beat{ min-width:0; border-right:1px solid var(--line-soft); border-bottom:1px solid var(--line-soft); }
.tl-ev .beatcell .chip{ white-space:normal; }
.tl-phase{
  grid-column:1 / -1; justify-self:center; position:relative; z-index:1;
  display:flex; align-items:baseline; gap:14px; flex-wrap:wrap; justify-content:center;
  background:var(--paper); border:1px solid var(--ink); padding:11px 20px 12px;
  margin:clamp(12px,2vw,24px) 0 clamp(28px,3.5vw,44px);
}
.tl-gate{
  grid-column:1 / -1; justify-self:center; position:relative; z-index:1;
  display:block; text-align:center; line-height:1.5; max-width:100%;
  background:var(--teal); color:#fff; padding:10px 18px;
  font-family:var(--mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  margin:0 0 clamp(28px,3.5vw,44px);
}
.tl-gate b{ font-weight:500; }
.ui-dev{ grid-column:1 / -1; margin:0 0 0 33px; border-left:2px solid var(--teal); padding:2px 0 2px 12px; display:grid; grid-template-columns:52px minmax(0,1fr); gap:7px 12px; }
.ui-dev .k{ font-family:var(--mono); font-size:9.5px; letter-spacing:.13em; text-transform:uppercase; color:var(--ink-3); padding-top:2px; }
.ui-dev .v{ font-size:12px; line-height:1.55; color:var(--ink-2); font-weight:300; }
.ui-dev .v b{ font-weight:600; color:var(--ink); }
.tl-phase .n{ font-family:var(--mono); font-size:12px; letter-spacing:.16em; color:var(--teal); }
.tl-phase h3{ font-size:clamp(1.3rem,2vw,1.7rem); letter-spacing:-.03em; }
.tl-phase .when{ font-family:var(--mono); font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-3); }
@media (max-width:860px){
  .tl{ grid-template-columns:minmax(0,1fr); column-gap:0; padding-left:34px; --g:34px; }
  .tl::before{ left:5px; }
  .tl > *{ grid-row:auto !important; grid-column:1 !important; }
  .tl-ev.t::before,.tl-ev.s::before{ left:-29px; right:auto; width:22px; }
  .tl-ev.t::after,.tl-ev.s::after{ left:-34px; right:auto; }
  .tl-phase,.tl-gate{ justify-self:start; margin-left:-34px; }
  .tl-gate{ text-align:left; }
}

/* ---------- parallel lanes: teacher (left) / student (right) ---------- */
.lanes-head{
  display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); column-gap:var(--g);
  position:sticky; top:74px; z-index:5;
  background:rgba(248,250,252,.94); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--ink); padding:18px 0 14px;
}
.lane-label{ display:flex; align-items:center; flex-wrap:wrap; gap:4px 12px; font-family:var(--mono); font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink); }
.lane-label i{ width:10px; height:10px; display:block; flex:none; background:var(--ink); }
.lane-label.student i{ background:var(--teal); }
.lane-label span{ color:var(--ink-3); letter-spacing:.1em; }
.lane-row{ padding:clamp(44px,5.5vw,72px) 0; border-bottom:1px solid var(--line); }
.lane-step{ display:flex; align-items:baseline; flex-wrap:wrap; gap:8px 18px; margin-bottom:clamp(24px,3vw,34px); }
.lane-step .n{ font-family:var(--mono); font-size:12px; letter-spacing:.16em; color:var(--teal); }
.lane-step h3{ font-size:clamp(1.5rem,2.5vw,2.1rem); letter-spacing:-.03em; }
.lane-step .when{ font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-3); }
.lanes{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(20px,3vw,44px); align-items:start; }
.lane{ display:flex; flex-direction:column; gap:18px; min-width:0; }
.lane > p{ font-size:15px; font-weight:300; line-height:1.65; max-width:52ch; }
.lane .lane-label{ display:none; }
.lane .ui-editor{ grid-template-columns:1fr; }
.lane .ui-doc{ border-right:0; border-bottom:1px solid var(--line-soft); }
@media (max-width:860px){
  .lanes{ grid-template-columns:1fr; gap:40px; }
  .lanes-head{ display:none; }
  .lane .lane-label{ display:flex; }
}

/* small mock parts */
.ui-title{ font-family:var(--mono); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink); margin-left:4px; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.ui-chip-sm{ white-space:nowrap; }
.ui-bar .ui-right{ flex:none; }
@media (max-width:1100px){ .lane-label span{ display:none; } }
.beat.wide{ grid-template-columns:48px minmax(0,1fr) auto; }
.ui-field{ display:grid; grid-template-columns:118px minmax(0,1fr); gap:16px; padding:13px 0; border-top:1px solid var(--line-soft); align-items:baseline; }
.ui-field:first-of-type{ border-top:0; }
.ui-field .k{ font-family:var(--mono); font-size:9.5px; letter-spacing:.13em; text-transform:uppercase; color:var(--ink-3); }
.ui-field .v{ font-size:13px; line-height:1.6; color:var(--ink); }
.ui-field ul{ list-style:none; display:flex; flex-direction:column; gap:6px; }
.ui-field li{ font-size:12.5px; font-weight:300; color:var(--ink-2); padding-left:16px; position:relative; }
.ui-field li::before{ content:""; position:absolute; left:0; top:.6em; width:7px; height:1px; background:var(--teal); }
.ui-code{ font-family:var(--mono); font-size:12px; letter-spacing:.14em; background:var(--tint-ink); padding:4px 9px; }
.ui-actions{ display:flex; justify-content:flex-end; gap:8px; padding-top:16px; margin-top:4px; border-top:1px solid var(--line-soft); }
.ui-btn{ font-family:var(--mono); font-size:10px; letter-spacing:.1em; text-transform:uppercase; padding:9px 14px; background:var(--teal); color:#fff; }
.ui-btn.line{ background:transparent; color:var(--ink-2); border:1px solid var(--line); }
.ui-tri{ display:grid; grid-template-columns:minmax(0,1fr) auto; gap:14px; align-items:start; padding:15px 0; border-top:1px solid var(--line-soft); }
.ui-tri:first-of-type{ border-top:0; }
.ui-tri .ui-note{ margin-top:7px; padding-left:33px; }
.ui-tri.muted{ opacity:.6; }
.ui-barrow{ display:grid; grid-template-columns:minmax(0,1fr) minmax(70px,120px) 44px; gap:14px; align-items:center; padding:12px 0; border-top:1px solid var(--line-soft); }
.ui-barrow:first-of-type{ border-top:0; }
.ui-barrow .l{ font-size:12.5px; color:var(--ink); line-height:1.45; }
.ui-track{ height:6px; background:var(--tint-ink); }
.ui-track i{ display:block; height:100%; background:var(--teal); }
.ui-barrow .n{ font-family:var(--mono); font-size:11px; color:var(--ink-2); text-align:right; }
@media (max-width:520px){
  .ui-bar{ padding:0 12px; gap:10px; }
  .ui-plan{ padding:18px 16px 22px; }
  .ui-field{ grid-template-columns:minmax(0,1fr); gap:6px; }
}
.beatcell .chip{ display:inline-block; margin-top:8px; }
.lane .ui-beats{ grid-template-columns:repeat(auto-fit,minmax(96px,1fr)); }
.lane .ui-beat{ min-width:0; }
.lane .beatcell .chip{ white-space:normal; }

/* caption under a mock */
.ui-cap{
  font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--ink-3); margin-top:14px; display:flex; align-items:center; gap:10px;
}
.ui-cap::before{ content:""; width:18px; height:1px; background:var(--teal); flex:none; }
.plate .ui-cap{ color:rgba(248,250,252,.5); }

/* ---------- numbered manifesto list ---------- */
.manifesto{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-rev); border-block:1px solid var(--line-rev); margin-top:clamp(40px,5vw,64px); }
.manifesto > div{ background:var(--ink); padding:34px 30px 40px; display:flex; flex-direction:column; gap:12px; }
.manifesto .n{ font-family:var(--mono); font-size:12px; letter-spacing:.16em; color:var(--teal-bright); }
.manifesto h3{ font-size:1.2rem; }
.manifesto p{ font-size:14.5px; font-weight:300; line-height:1.65; color:rgba(248,250,252,.66); }
.manifesto.light{ background:var(--line); border-color:var(--line); }
.manifesto.light > div{ background:var(--white); }
.manifesto.light .n{ color:var(--teal); }
.manifesto.light h3{ color:var(--ink); }
.manifesto.light p{ color:var(--ink-2); }
@media (max-width:900px){ .manifesto{ grid-template-columns:1fr; } }

/* ---------- founder strip ---------- */
.founder{ display:grid; grid-template-columns:300px minmax(0,1fr); gap:clamp(28px,5vw,64px); align-items:center; }
.portrait{
  aspect-ratio:1; background:var(--tint-ink); border:1px solid var(--line);
  display:grid; place-items:center; gap:10px; text-align:center; padding:24px;
}
.portrait .mark{ width:26px; height:45px; opacity:.3; }
.portrait span{ font-family:var(--mono); font-size:10px; letter-spacing:.13em; text-transform:uppercase; color:var(--ink-3); line-height:1.7; }
.quote{ font-size:clamp(1.3rem,2.3vw,1.95rem); font-weight:300; letter-spacing:-.022em; line-height:1.32; color:var(--ink); text-wrap:pretty; }
.quote-by{ font-family:var(--mono); font-size:11.5px; letter-spacing:.13em; text-transform:uppercase; color:var(--ink-3); margin-top:22px; }
.quote-by b{ color:var(--ink); font-weight:500; }
@media (max-width:780px){ .founder{ grid-template-columns:1fr; } .portrait{ max-width:220px; } }

/* ---------- pricing ---------- */
.tiers{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:clamp(36px,5vw,56px); }
.tier{ background:var(--paper); padding:36px 30px 38px; display:flex; flex-direction:column; gap:20px; }
.tier.featured{ background:var(--ink); color:var(--paper); }
.tier.featured h3,.tier.featured .price{ color:var(--paper); }
.tier.featured p,.tier.featured li{ color:rgba(248,250,252,.7); }
.tier.featured .tier-tag{ color:var(--teal-bright); }
.tier.featured li::before{ background:var(--teal-bright); }
.tier-tag{ font-family:var(--mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--teal); }
.tier h3{ font-size:1.6rem; letter-spacing:-.03em; }
.tier .price{ font-size:15px; font-weight:300; color:var(--ink-2); line-height:1.5; }
.tier.featured .price{ color:rgba(248,250,252,.7); }
.tier ul{ list-style:none; display:flex; flex-direction:column; gap:11px; margin-top:4px; }
.tier li{ font-size:14px; font-weight:300; line-height:1.55; color:var(--ink-2); padding-left:20px; position:relative; }
.tier li::before{ content:""; position:absolute; left:0; top:.55em; width:8px; height:1px; background:var(--teal); }
.tier .btn{ margin-top:auto; justify-content:center; }
@media (max-width:900px){ .tiers{ grid-template-columns:1fr; } }

.faq{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:clamp(36px,5vw,56px); }
.faq > div{ background:var(--paper); padding:30px 28px 34px; }
.faq h4{ font-size:1.05rem; margin-bottom:10px; }
.faq p{ font-size:14px; font-weight:300; line-height:1.65; }
@media (max-width:760px){ .faq{ grid-template-columns:1fr; } }

/* ---------- forms ---------- */
.form-grid{ display:grid; grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr); gap:clamp(32px,5vw,72px); }
@media (max-width:900px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.field label{ font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-2); }
.field input,.field textarea,.field select{
  width:100%; border:1px solid var(--line); background:var(--white);
  padding:14px 15px; font-family:var(--font); font-size:15px; font-weight:400; color:var(--ink);
  transition:border-color .2s, box-shadow .2s; appearance:none; border-radius:0;
}
.field textarea{ resize:vertical; min-height:130px; line-height:1.6; }
.field input:focus,.field textarea:focus,.field select:focus{
  outline:0; border-color:var(--teal); box-shadow:inset 0 0 0 1px var(--teal);
}
.field input::placeholder,.field textarea::placeholder{ color:var(--ink-3); font-weight:300; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:0 20px; } /* rows: .field's margin spaces them */
@media (max-width:560px){ .field-row{ grid-template-columns:1fr; } }
.form-note{ font-family:var(--mono); font-size:11px; line-height:1.8; color:var(--ink-3); margin-top:14px; }
.form-status{
  font-family:var(--mono); font-size:12px; line-height:1.7; padding:14px 16px; margin-top:18px;
  border-left:2px solid var(--teal); background:var(--tint-teal); color:var(--teal-deep); display:none;
}
.form-status.show{ display:block; }
.form-status.err{ border-color:var(--flag); background:rgba(180,85,60,.1); color:var(--flag); }

/* ---------- login ---------- */
.auth{ min-height:calc(100vh - 74px); display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.05fr); }
.auth-form{ display:flex; flex-direction:column; justify-content:center; padding:clamp(48px,7vw,90px) var(--gutter); }
.auth-inner{ width:100%; max-width:400px; margin-inline:auto; }
.auth-side{ background:var(--ink); color:var(--paper); padding:clamp(48px,7vw,90px) var(--gutter); display:flex; flex-direction:column; justify-content:center; gap:32px; }
.auth-side .mark{ width:24px; height:42px; }
.auth-side blockquote{ font-size:clamp(1.25rem,2vw,1.7rem); font-weight:300; letter-spacing:-.022em; line-height:1.38; color:var(--paper); }
.auth-role{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); margin-bottom:26px; }
.auth-role button{
  background:var(--paper); border:0; cursor:pointer; padding:13px 10px;
  font-family:var(--mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-3);
  transition:background .2s, color .2s;
}
.auth-role button[aria-pressed="true"]{ background:var(--ink); color:var(--paper); }
.auth-alt{ display:flex; align-items:center; gap:14px; margin:24px 0; font-family:var(--mono); font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-3); }
.auth-alt::before,.auth-alt::after{ content:""; height:1px; background:var(--line); flex:1; }
.btn-google{ width:100%; justify-content:center; gap:11px; text-transform:none; letter-spacing:.02em; font-size:13px; font-family:var(--font); font-weight:500; }
@media (max-width:900px){ .auth{ grid-template-columns:1fr; min-height:0; } .auth-side{ order:2; } }

/* ---------- CTA ---------- */
.cta-plate{ text-align:center; }
.cta-plate .d-lg{ max-width:20ch; margin-inline:auto; }
.cta-plate .lede{ margin:20px auto 0; text-align:center; }
.cta-plate .btn-row{ justify-content:center; margin-top:34px; }
.plate + .cta-plate{ border-top:1px solid rgba(248,250,252,.12); }

/* ---------- footer ---------- */
.site-footer{ background:var(--ink); color:var(--paper); padding-block:clamp(56px,7vw,84px) 36px; }
.footer-grid{ display:grid; grid-template-columns:2.2fr 1fr 1fr 1fr; gap:44px; }
.site-footer .brand{ color:var(--paper); }
.site-footer .brand .slash{ color:var(--paper); opacity:.28; }
.site-footer .brand .prod{ color:rgba(248,250,252,.6); }
.site-footer p{ color:rgba(248,250,252,.6); font-size:14.5px; font-weight:300; max-width:34ch; margin-top:20px; line-height:1.65; }
.site-footer h4{ font-family:var(--mono); font-size:11px; font-weight:400; letter-spacing:.16em; text-transform:uppercase; color:rgba(248,250,252,.45); margin-bottom:18px; }
.site-footer ul{ list-style:none; display:flex; flex-direction:column; gap:11px; }
.site-footer li a{ color:rgba(248,250,252,.82); font-size:14.5px; font-weight:300; transition:color .2s; }
.site-footer li a:hover{ color:var(--teal-bright); }
.footer-note{
  display:flex; flex-wrap:wrap; gap:8px 28px; justify-content:space-between;
  margin-top:clamp(44px,6vw,72px); padding-top:24px; border-top:1px solid var(--line-rev);
  font-family:var(--mono); font-size:11px; letter-spacing:.05em; color:rgba(248,250,252,.45);
}
@media (max-width:900px){ .footer-grid{ grid-template-columns:1fr 1fr; gap:36px; } }
@media (max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }

/* ==========================================================================
   THE UNFOLD — full-screen brand intro. First visit of a session only.
   Timings follow assets/README.md § "The brand move".
   ========================================================================== */
.unfold-stage{
  position:fixed; inset:0; z-index:200; background:var(--paper);
  display:grid; place-items:center; grid-template-columns:1fr;
}
.unfold-stage[hidden]{ display:none; }
.unfold-lockup{ display:flex; flex-direction:column; align-items:center; gap:26px; }
.unfold-stage .mark{ width:clamp(52px,7vw,84px); height:auto; aspect-ratio:475.673/831.384; }
.unfold-stage .mark svg{ height:auto; }
.unfold-word{ overflow:hidden; }
.unfold-word span{
  display:block; font-size:clamp(1.9rem,4.6vw,3rem); font-weight:600; letter-spacing:-.04em;
  transform:translateY(112%); transition:transform .85s var(--e-unfold) 1.45s;
}
.unfold-prod{ overflow:hidden; }
.unfold-prod span{
  display:block; font-family:var(--mono); font-size:clamp(10px,1.2vw,12px);
  letter-spacing:.3em; text-transform:uppercase; color:var(--teal);
  transform:translateY(130%); transition:transform .75s var(--e-unfold) 1.75s;
}
.unfold-stage.go .unfold-word span,
.unfold-stage.go .unfold-prod span{ transform:translateY(0); }

/* the sheet lifts away as one wipe */
.unfold-stage{ transition:transform .85s var(--e-unfold), opacity .5s ease .3s; }
.unfold-stage.out{ transform:translateY(-101%); opacity:1; pointer-events:none; }

/* skip affordance — a 3s curtain needs a way out */
.unfold-skip{
  position:absolute; bottom:clamp(24px,5vh,46px); left:50%; transform:translateX(-50%);
  font-family:var(--mono); font-size:10.5px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--ink-3); background:none; border:0; cursor:pointer; padding:10px 14px;
  opacity:0; transition:opacity .5s ease 1.1s, color .2s;
}
.unfold-stage.go .unfold-skip{ opacity:.7; }
.unfold-skip:hover{ color:var(--ink); }

/* Hidden-by-default states are scoped to html.js — set by the inline head
   script. If JS never runs (crawler, error, blocked script) the page is
   simply visible rather than blank. */
html.js .page-body{ opacity:0; }
body.ready .page-body{ opacity:1; transition:opacity .5s ease; }
body.no-intro .page-body{ opacity:1; transition:none; }

/* set by the inline head script before first paint — no flash of the intro
   for anyone who has already seen it this session */
html.seen .unfold-stage{ display:none !important; }
html.seen .page-body{ opacity:1 !important; }

/* scroll reveals — same rule: no JS, no hiding */
html.js .rv{ opacity:0; transform:translateY(20px); transition:opacity .7s ease, transform .7s var(--e-unfold); }
html.js .rv.in,.rv.in{ opacity:1; transform:none; }

@media (prefers-reduced-motion:reduce){
  .unfold-stage{ display:none !important; }
  .page-body,.rv{ opacity:1 !important; transform:none !important; transition:none !important; }
  .marquee-track{ animation:none; }
  .mark.fold,.mark.fold .f-up,.mark.fold .f-lo{ animation:none !important; }
  .ui-caret{ animation:none; }
  html{ scroll-behavior:auto; }
}