/* =========================================================
   FocusForge — marketing site
   Design language mirrors the app's "Almanac" theme:
   hand-set serif headings, Courier instrument numerals,
   printed index cards, rubber-stamp labels, ruled paper.
   Palette is the app's default "Midnight".
   ========================================================= */
:root{
  --bg:#0f1117;
  --panel:#171a24;        /* app --glass   */
  --panel-2:#1e2230;      /* app --glass-2 */
  --line:#262b3c;
  --txt:#e6e8f2;
  --muted:#8b90a8;
  --accent:#7c6cff;
  --accent-2:#a78bfa;
  --on-accent:#0f1117;
  --serif:"Iowan Old Style","Palatino Linotype","Book Antiqua",Georgia,serif;
  --mono:"Courier New",ui-monospace,SFMono-Regular,monospace;
  --radius:5px;
  --max:1080px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  color:var(--txt);font-size:16px;line-height:1.65;overflow-x:hidden;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  /* ruled paper + a wash of accent at the top, same recipe as the app */
  background:
    radial-gradient(130% 80% at 50% -10%, color-mix(in srgb,var(--accent) 7%,transparent), transparent 55%),
    repeating-linear-gradient(0deg, color-mix(in srgb,var(--txt) 3%,transparent) 0 1px, transparent 1px 30px),
    var(--bg);
  background-attachment:fixed;
  transition:background-color .5s var(--ease),color .5s var(--ease);
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.wrap.narrow{max-width:760px}

/* ---------- typography: hand-set editorial ---------- */
/* Headings are their own block (width:fit-content keeps the rule tight to the
   text) so a preceding stamp/overline never shares their line. */
h1{font-family:var(--serif);font-weight:600;letter-spacing:-.005em;
  font-size:clamp(38px,5vw,60px);line-height:1.14;
  display:block;width:fit-content;max-width:100%;
  padding-bottom:20px;border-bottom:2px solid var(--txt)}
h1::after{content:"";display:block;height:1px;margin-top:6px;background:var(--txt);opacity:.5}
h2{font-family:var(--serif);font-weight:600;letter-spacing:0;
  font-size:clamp(25px,2.9vw,34px);line-height:1.25;
  display:block;width:fit-content;max-width:100%;
  padding-bottom:16px;border-bottom:2px solid var(--txt)}
h2::after{content:"";display:block;height:1px;margin-top:5px;background:var(--txt);opacity:.5}
h3{font-family:var(--serif);font-weight:600;font-size:17.5px;letter-spacing:.1px}
.grad{color:var(--accent)}

/* section overline: uppercase Courier with the app's ink tick */
.eyebrow{display:block;width:fit-content;position:relative;padding-left:15px;margin-bottom:18px;
  font-family:var(--mono);font-size:12px;font-weight:700;
  text-transform:uppercase;letter-spacing:.09em;color:var(--muted)}
.eyebrow::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;background:var(--accent)}

/* ---------- scroll progress ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:100}
.progress span{display:block;height:100%;width:0;background:var(--accent);transition:width .1s linear}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:90;display:flex;align-items:center;gap:32px;
  padding:18px 32px;border-bottom:1px solid transparent;
  transition:padding .3s var(--ease),background-color .3s var(--ease),border-color .3s}
.nav.scrolled{padding:12px 32px;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:26px;height:26px;border-radius:6px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.brand-name{font-family:var(--serif);font-weight:600;font-size:17px;letter-spacing:.2px}
.nav-links{display:flex;gap:26px;margin-left:auto;font-family:var(--mono);
  font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.nav-links a{transition:color .2s}
.nav-links a:hover{color:var(--txt)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent);color:var(--on-accent);
  font-family:var(--mono);font-weight:700;font-size:13px;
  text-transform:uppercase;letter-spacing:.06em;
  padding:12px 22px;border-radius:4px;border:1px solid var(--accent);cursor:pointer;
  transition:background .2s,transform .15s var(--ease),box-shadow .2s}
.btn:hover{background:var(--accent-2);border-color:var(--accent-2);
  transform:translate(-1px,-1px);box-shadow:3px 3px 0 -1px var(--line)}
.btn-lg{padding:14px 28px;font-size:13.5px}
.btn-sm{padding:9px 16px;font-size:12px}
.btn-ghost{background:transparent;color:var(--txt);border-color:var(--txt)}
.btn-ghost:hover{background:transparent;border-color:var(--accent);color:var(--accent)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:90vh;display:flex;align-items:center;
  padding:150px 28px 96px;overflow:hidden}
.hero-inner{max-width:var(--max);margin:0 auto;width:100%;
  display:grid;grid-template-columns:1.06fr .94fr;gap:60px;align-items:center}
.orb{position:absolute;border-radius:50%;filter:blur(120px);pointer-events:none;will-change:transform}
.orb-1{width:460px;height:460px;background:var(--accent);opacity:.13;top:-150px;left:-130px}
.orb-2{width:380px;height:380px;background:var(--accent-2);opacity:.08;bottom:-170px;right:-110px}
.hero-copy{position:relative;z-index:2}

/* rubber-stamp label, rotated like the app's badges */
.pill{display:block;width:fit-content;font-family:var(--mono);font-size:11.5px;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;color:var(--accent);
  border:1.5px solid currentColor;border-radius:2px;padding:5px 11px;margin-bottom:26px;
  transform:rotate(-1.5deg)}
.lede{color:var(--muted);font-size:17px;max-width:520px;margin:26px 0 32px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-meta{margin-top:20px;font-family:var(--mono);font-size:12px;
  letter-spacing:.04em;color:var(--muted)}

/* app mockup — a printed index card */
.mock{position:relative;z-index:2;border:1px solid var(--txt);border-radius:var(--radius);
  background:var(--panel);overflow:hidden;box-shadow:5px 5px 0 -1px var(--line)}
.mock-bar{display:flex;align-items:center;gap:6px;padding:11px 14px;
  border-bottom:1px solid var(--line);background:var(--panel-2)}
.mock-bar i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.mock-bar span{margin-left:8px;font-family:var(--mono);font-size:11px;color:var(--muted)}
.mock-body{display:grid;grid-template-columns:48px 1fr;min-height:288px}
.mock-side{border-right:1px solid var(--line);padding:16px 0;display:flex;flex-direction:column;
  align-items:center;gap:13px;background:var(--panel-2)}
.ms{width:18px;height:18px;border-radius:4px;background:var(--line)}
.ms.active{background:var(--accent)}
.mock-main{padding:28px 24px;text-align:center}
.mock-lock{display:inline-block;font-family:var(--mono);font-size:10.5px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:var(--accent);
  border:1.5px solid currentColor;border-radius:2px;padding:4px 10px;margin-bottom:18px;
  transform:rotate(-1.5deg)}
.mock-timer{font-family:var(--mono);font-size:52px;font-weight:700;letter-spacing:-2px;
  line-height:1.05;font-variant-numeric:tabular-nums;color:var(--accent)}
.mock-phase{font-family:var(--mono);color:var(--muted);font-size:11.5px;
  letter-spacing:.04em;margin-top:4px;margin-bottom:20px}
.mock-ring{height:4px;border-radius:4px;background:var(--panel-2);overflow:hidden;margin-bottom:20px}
.mock-ring span{display:block;height:100%;width:38%;background:var(--accent);
  border-radius:4px;transition:width 1s linear}
.mock-chips{display:flex;flex-wrap:wrap;gap:7px;justify-content:center}
.mock-chips span{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;
  text-transform:uppercase;color:var(--muted);
  border:1px solid var(--line);padding:3px 9px;border-radius:2px}

/* ---------- sections ---------- */
.section{padding:100px 0;position:relative}
.section.alt{background:color-mix(in srgb,var(--panel) 55%,transparent);
  border-block:1px solid var(--line)}
.head{margin-bottom:52px;max-width:660px}
.section-lede{color:var(--muted);font-size:16.5px;margin-top:20px}

/* feature cards — printed index cards with offset ink shadow */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--panel);border:1px solid var(--txt);border-radius:var(--radius);
  padding:26px 24px;box-shadow:4px 4px 0 -1px var(--line);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s}
.card:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 -1px var(--line);
  border-color:var(--accent)}
.ic{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.5;
  stroke-linecap:round;stroke-linejoin:round;margin-bottom:16px;display:block}
.card h3{margin-bottom:9px}
.card p{color:var(--muted);font-size:14.5px;line-height:1.62}

/* steps */
.steps{list-style:none;display:grid;gap:18px}
.step{display:flex;gap:20px;align-items:flex-start;background:var(--panel);
  border:1px solid var(--txt);border-radius:var(--radius);padding:26px;
  box-shadow:4px 4px 0 -1px var(--line);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.step:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 -1px var(--line)}
.step-n{flex-shrink:0;width:34px;height:34px;border-radius:3px;display:grid;place-items:center;
  font-family:var(--mono);font-size:15px;font-weight:700;
  background:transparent;color:var(--accent);border:1.5px solid currentColor}
.step h3{margin-bottom:6px}
.step p{color:var(--muted);font-size:14.5px;max-width:620px}

/* split / tutor */
.split{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
.split-copy .head{margin-bottom:0}
.split-copy p{color:var(--muted);font-size:16px;margin-top:20px}
.ticks{list-style:none;margin-top:26px;display:grid;gap:11px}
.ticks li{position:relative;padding-left:26px;color:var(--muted);font-size:14.5px}
.ticks li::before{content:'';position:absolute;left:0;top:9px;width:11px;height:6px;
  border-left:1.5px solid var(--accent);border-bottom:1.5px solid var(--accent);
  transform:rotate(-45deg)}

.chat{border:1px solid var(--txt);border-radius:var(--radius);background:var(--panel);
  overflow:hidden;box-shadow:5px 5px 0 -1px var(--line)}
.chat-head{display:flex;align-items:center;gap:8px;padding:13px 17px;
  border-bottom:1px solid var(--line);font-family:var(--mono);font-size:11.5px;
  font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.chat-head .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.chat-body{padding:18px;display:flex;flex-direction:column;gap:10px;min-height:270px}
.msg{max-width:90%;padding:11px 14px;border-radius:4px;font-size:13.5px;line-height:1.62}
.msg.u{align-self:flex-end;background:var(--accent);color:var(--on-accent);font-weight:600}
.msg.a{align-self:flex-start;background:var(--panel-2);border:1px solid var(--line);
  white-space:pre-wrap;min-height:20px;font-family:var(--mono);font-size:12.5px;line-height:1.7}
.msg.a::after{content:'▍';color:var(--accent);animation:caret 1.1s steps(2) infinite}
.msg.a.done::after{content:''}
@keyframes caret{50%{opacity:0}}
.msg.tool{align-self:flex-start;font-family:var(--mono);font-size:10.5px;
  text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:transparent;
  border:1px dashed var(--line);border-radius:2px;padding:5px 10px;opacity:0;transition:opacity .5s}
.msg.tool.show{opacity:1}

/* themes */
.swatches{display:flex;flex-wrap:wrap;gap:10px}
.sw{display:flex;align-items:center;gap:9px;cursor:pointer;
  font-family:var(--mono);font-size:11.5px;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted);background:transparent;border:1.5px solid var(--line);
  padding:10px 15px;border-radius:2px;transition:color .2s,border-color .2s,transform .2s}
.sw span{width:13px;height:13px;border-radius:2px;
  background:linear-gradient(135deg,var(--c),var(--c2))}
.sw:hover{color:var(--txt);border-color:var(--muted);transform:translateY(-2px)}
.sw.on{color:var(--txt);border-color:var(--c)}
.hint{color:var(--muted);font-size:13.5px;margin-top:24px;font-style:italic;font-family:var(--serif)}

/* download */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dl{display:flex;flex-direction:column;background:var(--panel);
  border:1px solid var(--txt);border-radius:var(--radius);
  padding:26px 24px;box-shadow:4px 4px 0 -1px var(--line);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s}
.dl:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 -1px var(--line);border-color:var(--accent)}
.dl-hit{display:block}
.dl-os{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--muted);font-weight:700}
.dl-name{display:block;font-family:var(--serif);font-size:19px;font-weight:600;margin:8px 0 18px}
.dl-go{display:block;font-family:var(--mono);color:var(--accent);font-size:12px;
  font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.dl-go::after{content:' →'}
.dl-alt{display:block;margin-top:14px;padding-top:12px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted)}
.dl-alt a{color:var(--muted);text-decoration:underline;text-underline-offset:3px;
  transition:color .2s}
.dl-alt a:hover{color:var(--accent)}

/* faq */
.faq{display:grid;gap:14px}
details{background:var(--panel);border:1px solid var(--txt);border-radius:var(--radius);
  padding:18px 22px;box-shadow:4px 4px 0 -1px var(--line)}
summary{cursor:pointer;font-family:var(--serif);font-weight:600;font-size:17px;
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:'';width:8px;height:8px;flex-shrink:0;
  border-right:1.5px solid var(--accent);border-bottom:1.5px solid var(--accent);
  transform:rotate(45deg) translateY(-2px);transition:transform .25s var(--ease)}
details[open] summary::after{transform:rotate(-135deg) translateY(-2px)}
details[open]{border-color:var(--accent)}
details p{color:var(--muted);font-size:14.5px;margin-top:12px;max-width:620px}

/* footer */
.foot{border-top:1px solid var(--line);
  background:color-mix(in srgb,var(--panel) 60%,transparent);padding:54px 0 0}
.foot-in{display:grid;grid-template-columns:1.4fr 2fr;gap:46px;padding-bottom:42px}
.foot-tag{color:var(--muted);font-size:14px;margin-top:12px;
  font-family:var(--serif);font-style:italic}
.foot-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.foot-cols h4{font-family:var(--mono);font-size:11px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--txt);margin-bottom:14px;font-weight:700}
.foot-cols a{display:block;color:var(--muted);font-size:14px;margin-bottom:9px;transition:color .2s}
.foot-cols a:hover{color:var(--txt)}
.foot-legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  border-top:1px solid var(--line);padding-top:20px;padding-bottom:30px}
.foot-legal p{font-family:var(--mono);color:var(--muted);font-size:11.5px;letter-spacing:.03em}

/* ---------- scroll reveal ---------- */
.reveal,.reveal-scale{opacity:0;will-change:transform,opacity}
.reveal{transform:translateY(16px)}
.reveal-scale{transform:translateY(20px)}
.reveal.in,.reveal-scale.in{opacity:1;transform:none;
  transition:opacity .7s var(--ease),transform .7s var(--ease)}

/* ---------- light theme (the app's "Daylight") ---------- */
body.light{--bg:#eef1f8;--panel:#ffffff;--panel-2:#f2f4fb;--line:#dde2f0;
  --txt:#1c2030;--muted:#5f6780;--accent:#5b53e0;--accent-2:#7c6cff;--on-accent:#ffffff}
body.light .mock-bar i{background:#d6dcec}
body.light .ms{background:#e2e7f3}
body.light .mock-ring{background:#e2e7f3}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero{min-height:auto;padding:128px 28px 76px}
  .hero-inner{grid-template-columns:1fr;gap:46px}
  .cards,.dl-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:38px}
  .nav-links{display:none}
  .section{padding:74px 0}
  .foot-in{grid-template-columns:1fr;gap:32px}
}
@media (max-width:520px){
  .foot-cols{grid-template-columns:1fr 1fr}
  .foot-legal{flex-direction:column}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .reveal,.reveal-scale{opacity:1;transform:none}
}