/* embedpath.com — shadcn-compatible token system, static HTML
   Token names match shadcn/ui so components port cleanly if this moves to Astro.
   Light values on :root; dark overrides the same names. */

:root{
  --background:        #FBFBF9;
  --foreground:        #14171A;
  --card:              #FFFFFF;
  --card-foreground:   #14171A;
  --muted:             #F1F2EE;
  --muted-foreground:  #6B747C;
  --secondary-foreground:#3C434A;
  --primary:           #1A5E4A;
  --primary-foreground:#FBFBF9;
  --accent:            #E4F0EA;
  --accent-foreground: #1A5E4A;
  --border:            #E2E5DF;
  --ring:              #1A5E4A;
  --radius:            3px;
  --shadow:0 1px 2px rgba(20,23,26,.04),0 10px 28px -16px rgba(20,23,26,.18);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --background:        #0F1213;
    --foreground:        #E8ECEC;
    --card:              #171B1D;
    --card-foreground:   #E8ECEC;
    --muted:             #131718;
    --muted-foreground:  #7C8887;
    --secondary-foreground:#B0BAB9;
    --primary:           #4FB795;
    --primary-foreground:#0F1213;
    --accent:            #122C25;
    --accent-foreground: #4FB795;
    --border:            #262D2E;
    --ring:              #4FB795;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 28px -16px rgba(0,0,0,.7);
  }
}
:root[data-theme="dark"]{
  --background:#0F1213; --foreground:#E8ECEC;
  --card:#171B1D; --card-foreground:#E8ECEC;
  --muted:#131718; --muted-foreground:#7C8887;
  --secondary-foreground:#B0BAB9;
  --primary:#4FB795; --primary-foreground:#0F1213;
  --accent:#122C25; --accent-foreground:#4FB795;
  --border:#262D2E; --ring:#4FB795;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 28px -16px rgba(0,0,0,.7);
}

/* ── atoms ─────────────────────────────────────────────── */

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--background);color:var(--foreground);
  font-family:"Source Serif 4",Georgia,serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:960px;margin:0 auto;padding:0 clamp(20px,5vw,40px)}
.spine{max-width:66ch}

h1,h2,h3,nav,.btn,th,.label,.metric{font-family:"IBM Plex Sans",system-ui,-apple-system,sans-serif}
h1{font-size:clamp(2.1rem,5vw,3.1rem);line-height:1.08;letter-spacing:-.025em;font-weight:600;margin:0;text-wrap:balance}
h2{font-size:clamp(1.35rem,2.6vw,1.75rem);line-height:1.2;letter-spacing:-.015em;font-weight:600;margin:0;text-wrap:balance}
h3{font-size:1.05rem;font-weight:600;margin:0;line-height:1.35}
p{margin:0 0 1.1em}
a{color:var(--primary);text-decoration-thickness:1px;text-underline-offset:2px}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--ring);outline-offset:3px;border-radius:var(--radius)}

.label{
  font-size:.7rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted-foreground);display:block;
}
.metric{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.78rem;line-height:1.5;color:var(--primary);
  margin:12px 0 0;padding-top:11px;border-top:1px solid var(--border);
}
code{font-family:"IBM Plex Mono",monospace;font-size:.88em;background:var(--muted);padding:1px 6px;border-radius:2px}

.btn{
  display:inline-block;background:var(--primary);color:var(--primary-foreground);
  padding:13px 26px;border-radius:var(--radius);text-decoration:none;
  font-weight:600;font-size:.95rem;margin-top:1.6em;
  transition:opacity .15s ease, transform .15s ease;
}
.btn:hover{opacity:.9;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--primary);border:1px solid var(--primary)}

/* ── molecules ─────────────────────────────────────────── */

nav{
  display:flex;gap:22px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--border);
  font-size:.9rem;flex-wrap:wrap;
}
nav .brand{font-weight:600;color:var(--foreground);text-decoration:none;letter-spacing:-.01em}
nav a:not(.brand){color:var(--secondary-foreground);text-decoration:none}
nav a:not(.brand):hover{color:var(--primary)}
nav .sp{margin-left:auto}

.figures{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));
  gap:1px;background:var(--border);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;margin:48px 0 0;
}
.fig{background:var(--card);padding:18px 20px}
.fig b{
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:1.5rem;font-weight:600;
  display:block;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--card-foreground);
}
.fig span{display:block;font-size:.8rem;color:var(--muted-foreground);line-height:1.4;margin-top:5px;
  font-family:"IBM Plex Sans",system-ui,sans-serif}

.card{
  background:var(--card);color:var(--card-foreground);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--primary)}
.card h3{margin-bottom:7px}
.card p{font-size:.95rem;color:var(--secondary-foreground);margin:0}
.card .label{margin-bottom:10px}

.panel{
  background:var(--card);border:1px solid var(--border);
  border-left:3px solid var(--primary);
  border-radius:var(--radius);padding:20px 24px;margin:28px 0;box-shadow:var(--shadow);
}
.panel p:last-child{margin-bottom:0}

.pricebar{
  display:flex;flex-wrap:wrap;gap:16px;align-items:baseline;justify-content:space-between;
  background:var(--muted);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 24px;margin:28px 0;
}
.pricebar .amount{
  font-family:"IBM Plex Mono",monospace;font-size:1.7rem;font-weight:600;
  color:var(--primary);letter-spacing:-.02em;
}
.pricebar .terms{font-size:.9rem;color:var(--muted-foreground);font-family:"IBM Plex Sans",sans-serif}

ul.ticks{list-style:none;padding:0;margin:0}
ul.ticks li{
  padding:10px 0 10px 28px;border-bottom:1px solid var(--border);
  position:relative;font-size:1rem;color:var(--secondary-foreground);
}
ul.ticks li:last-child{border-bottom:none}
ul.ticks li::before{
  content:"";position:absolute;left:4px;top:19px;
  width:8px;height:8px;border-radius:50%;background:var(--primary);
}

/* ── organisms ─────────────────────────────────────────── */

header.hero{padding:clamp(48px,8vw,86px) 0 0}
.hero .lede{font-size:1.2rem;color:var(--secondary-foreground);max-width:58ch;margin-top:1.15em}

section{padding:clamp(52px,8vw,80px) 0 0}
.shead{border-bottom:1px solid var(--border);padding-bottom:12px;margin-bottom:28px}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:16px;margin-top:26px}

footer{
  margin-top:clamp(56px,9vw,96px);border-top:1px solid var(--border);
  padding:24px 0 64px;color:var(--muted-foreground);font-size:.87rem;
  font-family:"IBM Plex Sans",system-ui,sans-serif;
  display:flex;gap:18px;flex-wrap:wrap;
}
footer a{color:var(--muted-foreground)}
footer .sp{margin-left:auto}

/* ── motion ────────────────────────────────────────────────
   Elements start visible. Motion.dev sets the hidden state only
   if the script loads, so a JS failure never hides content from
   a crawler or a reader. */

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .card,.btn{transition:none}
  [data-reveal]{opacity:1 !important;transform:none !important}
}

/* ── hero particle field ───────────────────────────────── */
header.hero{position:relative}
#hero-canvas{
  position:absolute;top:-40px;left:50%;transform:translateX(-50%);
  width:118%;height:min(540px,72vh);
  z-index:0;pointer-events:none;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 35%,#000 35%,transparent 78%);
          mask-image:radial-gradient(120% 90% at 50% 35%,#000 35%,transparent 78%);
}
header.hero > *:not(#hero-canvas){position:relative;z-index:1}

/* ── breadcrumbs ───────────────────────────────────────── */
.crumbs{
  font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:.82rem;
  color:var(--muted-foreground);padding:20px 0 0;
}
.crumbs a{color:var(--muted-foreground);text-decoration:none}
.crumbs a:hover{color:var(--primary)}
.crumbs span{margin:0 7px;opacity:.5}

/* ── answer block (AEO) ────────────────────────────────── */
.answer{
  background:var(--accent);border-radius:var(--radius);
  padding:18px 22px;margin:0 0 26px;color:var(--accent-foreground);
  font-size:1.02rem;line-height:1.6;
}
.answer p{margin:0}

/* ── form ──────────────────────────────────────────────── */
form.book{display:grid;gap:12px;max-width:520px;margin-top:22px}
form.book input,form.book textarea{
  font-family:inherit;font-size:1rem;padding:12px 14px;
  background:var(--card);color:var(--foreground);
  border:1px solid var(--border);border-radius:var(--radius);
}
form.book textarea{min-height:84px;resize:vertical}
form.book input:focus-visible,form.book textarea:focus-visible{outline:2px solid var(--ring);outline-offset:1px}
form.book button{
  font-family:"IBM Plex Sans",system-ui,sans-serif;font-weight:600;font-size:.95rem;
  background:var(--primary);color:var(--primary-foreground);
  border:0;border-radius:var(--radius);padding:13px 26px;cursor:pointer;justify-self:start;
}

/* ── process steps ─────────────────────────────────────── */
ol.steps{list-style:none;counter-reset:s;padding:0;margin:22px 0 0}
ol.steps li{
  counter-increment:s;position:relative;padding:14px 0 14px 54px;
  border-bottom:1px solid var(--border);color:var(--secondary-foreground);font-size:.98rem;
}
ol.steps li:last-child{border-bottom:none}
ol.steps li::before{
  content:"Day " counter(s);position:absolute;left:0;top:15px;
  font-family:"IBM Plex Mono",monospace;font-size:.7rem;font-weight:600;
  color:var(--primary);letter-spacing:.03em;
}
ol.steps li b{color:var(--foreground);font-weight:600}

.updated{
  font-family:"IBM Plex Mono",monospace;font-size:.72rem;
  color:var(--muted-foreground);letter-spacing:.04em;
}


/* ── scroll reveal — CSS only, JS just adds .in ─────────── */
[data-reveal],[data-reveal-group] > *{
  opacity:1;                      /* visible by default — no JS, no hiding */
}
.js [data-reveal],.js [data-reveal-group] > *{
  opacity:0;transform:translateY(14px);
  transition:opacity .55s cubic-bezier(.22,1,.36,1),transform .55s cubic-bezier(.22,1,.36,1);
}
.js [data-reveal].in,.js [data-reveal-group] > .in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  .js [data-reveal],.js [data-reveal-group] > *{opacity:1;transform:none;transition:none}
}