/* =========================================================
   jCypher · Concept 06 "Voyage"
   A scroll story — from midnight idea to daylight launch
   ========================================================= */
:root{
  --night:#04081A;
  --night-2:#0A1430;
  --dawn:#12275C;
  --dawn-2:#1E3E8F;
  --day:#2563EB;
  --day-2:#4F8DFF;
  --bright:#DCEAFF;
  --bright-2:#F2F7FF;
  --ink-light:#EFF4FF;
  --ink-dark:#0D1B3E;
  --gold:#FFD37E;
  --font-disp:'Bricolage Grotesque',sans-serif;
  --font-serif:'Newsreader',Georgia,serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{
  font-family:var(--font-body);
  background:var(--night);
  color:var(--ink-light);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

h1,h2{font-family:var(--font-disp);font-weight:800;letter-spacing:-.02em;line-height:1.08}
h1{font-size:clamp(2.5rem,6.4vw,4.6rem)}
h2{font-size:clamp(2rem,5vw,3.4rem)}
h1 em,h2 em{
  font-family:var(--font-serif);font-style:italic;font-weight:500;
  letter-spacing:0;
}

/* ---------- top bar ---------- */
.bar{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 30px;
  background:linear-gradient(rgba(4,8,26,.72),rgba(4,8,26,0));
  pointer-events:none;
}
.bar > *{pointer-events:auto}
.brand{font-family:var(--font-disp);font-weight:800;font-size:1.25rem;text-decoration:none}
.bar-note{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;
  opacity:.65;
}
.bar-cta{
  font-weight:600;font-size:.9rem;text-decoration:none;
  border:1px solid rgba(239,244,255,.4);border-radius:999px;padding:.5rem 1.2rem;
  transition:background .25s,border-color .25s;
  background:rgba(4,8,26,.3);backdrop-filter:blur(6px);
}
.bar-cta:hover{background:rgba(37,99,235,.5);border-color:transparent}

/* ---------- journey rail ---------- */
.rail{
  position:fixed;left:26px;top:50%;transform:translateY(-50%);z-index:40;
  display:flex;gap:14px;align-items:stretch;height:min(360px,52vh);
}
.rail-track{width:2px;background:rgba(148,170,220,.25);border-radius:2px;overflow:hidden}
.rail-fill{
  width:100%;height:0;border-radius:2px;
  background:linear-gradient(180deg,var(--gold),var(--day-2));
  transition:height .2s linear;
}
.rail-stops{display:flex;flex-direction:column;justify-content:space-between}
.stop{
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(239,244,255,.45);transition:color .3s;
}
.stop.here{color:var(--gold)}

/* ---------- chapters ---------- */
.ch{position:relative;padding:150px 0 130px;overflow:hidden}
.ch-inner{max-width:880px;margin:0 auto;padding:0 30px 0 110px}
.ch-label{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;
  margin-bottom:26px;opacity:.8;
}
.ch-story{
  font-size:1.15rem;max-width:52ch;margin-top:24px;opacity:.88;
}
.ch-story i{font-family:var(--font-serif);font-size:1.2rem}
.ch-hint{
  margin-top:56px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;
  opacity:.55;
}

/* CH night */
.ch-night{
  min-height:100vh;display:flex;align-items:center;
  background:radial-gradient(900px 480px at 70% 20%, #0D1B44 0%, var(--night) 60%);
  color:var(--ink-light);
}
.ch-night .ch-label{color:var(--gold)}
.ch-night em{color:var(--gold)}
.stars{position:absolute;inset:0;pointer-events:none}
.stars::before,.stars::after{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 22%, rgba(255,255,255,.9), transparent 100%),
    radial-gradient(1px 1px at 34% 64%, rgba(255,255,255,.7), transparent 100%),
    radial-gradient(2px 2px at 56% 16%, rgba(255,255,255,.8), transparent 100%),
    radial-gradient(1px 1px at 72% 42%, rgba(255,255,255,.6), transparent 100%),
    radial-gradient(1.5px 1.5px at 88% 70%, rgba(255,255,255,.85), transparent 100%),
    radial-gradient(1px 1px at 22% 84%, rgba(255,255,255,.6), transparent 100%),
    radial-gradient(1.5px 1.5px at 64% 88%, rgba(255,255,255,.75), transparent 100%),
    radial-gradient(1px 1px at 44% 38%, rgba(255,255,255,.65), transparent 100%);
  animation:twinkle 4.5s ease-in-out infinite alternate;
}
.stars::after{transform:scale(1.6) rotate(18deg);animation-delay:2.2s;opacity:.5}
@keyframes twinkle{from{opacity:.35}to{opacity:1}}

/* CH dawn */
.ch-dawn{
  background:linear-gradient(180deg,var(--night) 0%,var(--night-2) 18%,var(--dawn) 62%,var(--dawn-2) 100%);
  color:var(--ink-light);
}
.ch-dawn .ch-label{color:#9DB8FF}
.ch-dawn em{color:var(--gold)}
.ch-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.mini{
  border:1px solid rgba(157,184,255,.3);border-radius:16px;padding:22px 20px;
  background:rgba(10,20,48,.5);display:grid;gap:2px;
  font-family:var(--font-disp);font-weight:600;font-size:1.02rem;
  transition:transform .3s,border-color .3s;
}
.mini:hover{transform:translateY(-5px);border-color:var(--gold)}
.mini span{color:var(--gold);font-size:1.2rem;margin-bottom:6px}
.mini em{font-style:normal;font-family:var(--font-body);font-weight:400;font-size:.82rem;opacity:.75}

/* CH day */
.ch-day{
  background:linear-gradient(180deg,var(--dawn-2) 0%,var(--day) 55%,var(--day-2) 100%);
  color:#fff;
}
.ch-day .ch-label{color:#CFE1FF}
.ch-day em{color:var(--gold)}
.build-board{
  margin-top:44px;background:rgba(9,20,50,.5);border:1px solid rgba(207,225,255,.3);
  border-radius:16px;padding:26px 26px 14px;backdrop-filter:blur(6px);
}
.bb-row{
  display:grid;grid-template-columns:150px 1fr 84px;gap:16px;align-items:center;
  padding-bottom:16px;
}
.bb-name{font-family:var(--font-mono);font-size:.76rem;letter-spacing:.04em;opacity:.9}
.bb-track{height:7px;border-radius:4px;background:rgba(207,225,255,.22);overflow:hidden}
.bb-track i{
  display:block;height:100%;width:0;border-radius:4px;
  background:linear-gradient(90deg,var(--gold),#8AF0C8);
  transition:width 1.4s cubic-bezier(.2,.7,.2,1);
}
.build-board.go .bb-track i{width:var(--w)}
.bb-tag{
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;
  text-align:center;border:1px solid rgba(207,225,255,.35);border-radius:999px;padding:3px 0;
  opacity:.85;
}
.bb-tag.done{background:rgba(138,240,200,.15);border-color:rgba(138,240,200,.5);color:#8AF0C8}

/* CH bright */
.ch-bright{
  background:linear-gradient(180deg,var(--day-2) 0%,#9CC4FF 34%,var(--bright) 68%,var(--bright-2) 100%);
  color:var(--ink-dark);
}
.ch-bright .ch-label{color:#1D4ED8}
.ch-bright em{color:#1D4ED8}
.ch-bright .ch-story{opacity:1;color:#2B3D66}
.milestones{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:48px 0 40px;
}
.mile{
  background:rgba(255,255,255,.72);border:1px solid rgba(29,78,216,.18);
  border-radius:16px;padding:24px 18px;text-align:center;
  backdrop-filter:blur(4px);
  transition:transform .3s,box-shadow .3s;
}
.mile:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(29,78,216,.16)}
.mile-num{
  display:block;font-family:var(--font-disp);font-weight:800;
  font-size:clamp(1.7rem,3.2vw,2.4rem);color:#1D4ED8;
}
.mile > span:last-child{font-size:.82rem;color:#4A5B85}
.postcards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.postcard{
  background:#fff;border:1px solid rgba(29,78,216,.15);border-radius:4px;
  padding:24px 22px;box-shadow:0 10px 26px rgba(29,78,216,.1);
  display:flex;flex-direction:column;gap:16px;
  transform:rotate(-.8deg);transition:transform .3s;
}
.postcard:nth-child(2){transform:rotate(.7deg)}
.postcard:hover{transform:rotate(0) translateY(-4px)}
.postcard blockquote{
  font-family:var(--font-serif);font-style:italic;font-size:1.05rem;line-height:1.5;
  color:var(--ink-dark);
}
.postcard figcaption{
  margin-top:auto;font-family:var(--font-mono);font-size:.68rem;color:#6B7CA5;letter-spacing:.04em;
  border-top:1px dashed rgba(29,78,216,.25);padding-top:12px;
}

/* CH beyond */
.ch-beyond{
  background:linear-gradient(180deg,var(--bright-2) 0%,#FFFFFF 100%);
  color:var(--ink-dark);padding-bottom:150px;
}
.ch-beyond .ch-label{color:#1D4ED8}
.ch-beyond em{color:#1D4ED8}
.ch-beyond .ch-story{opacity:1;color:#2B3D66}
.what-we-take{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 44px}
.what-we-take span{
  font-weight:600;font-size:.9rem;color:#1D4ED8;
  border:1.5px solid rgba(29,78,216,.35);border-radius:999px;padding:.55rem 1.25rem;
  transition:background .25s,color .25s;
}
.what-we-take span:hover{background:#1D4ED8;color:#fff}
.voyage-form{display:flex;gap:12px;flex-wrap:wrap;max-width:560px}
.voyage-form input{
  flex:1;min-width:220px;padding:.95rem 1.3rem;border-radius:14px;
  border:1.5px solid rgba(29,78,216,.3);font:inherit;font-size:.95rem;color:var(--ink-dark);
  background:#fff;
}
.voyage-form input:focus{outline:none;border-color:#1D4ED8;box-shadow:0 0 0 4px rgba(37,99,235,.15)}
.voyage-form button{
  border:0;cursor:pointer;font:inherit;font-weight:700;font-size:.95rem;
  background:#1D4ED8;color:#fff;border-radius:14px;padding:.95rem 1.7rem;
  box-shadow:0 10px 26px rgba(29,78,216,.3);
  transition:transform .25s,box-shadow .25s;
}
.voyage-form button:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(29,78,216,.4)}
.ch-beyond .ch-hint{opacity:.65;color:#4A5B85}

/* ---------- footer ---------- */
.foot{
  background:#fff;border-top:1px solid rgba(29,78,216,.14);color:#6B7CA5;
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  padding:24px 30px;font-size:.82rem;
}
.foot .brand{color:var(--ink-dark);font-size:1.05rem}

/* ---------- concept switcher ---------- */
.switcher{
  position:fixed;bottom:22px;right:22px;z-index:60;
  display:flex;gap:5px;padding:6px;
  background:rgba(4,8,26,.92);border-radius:999px;
  box-shadow:0 12px 32px rgba(0,0,0,.4);
  backdrop-filter:blur(8px);
}
.switcher a{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  color:#9DB8FF;text-decoration:none;font-weight:600;font-size:.82rem;
  transition:background .2s,color .2s;
}
.switcher a:hover{background:rgba(37,99,235,.3);color:#fff}
.switcher a.active{background:var(--day);color:#fff}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s !important;transition-duration:.001s !important}
  .reveal{opacity:1;transform:none}
  .stars::before,.stars::after{animation:none}
  .build-board .bb-track i{width:var(--w);transition:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .ch-inner{padding-left:90px}
}
@media (max-width:820px){
  .rail{display:none}
  .ch-inner{padding:0 26px}
  .ch{padding:110px 0 90px}
  .ch-cards,.postcards{grid-template-columns:1fr;max-width:480px}
  .milestones{grid-template-columns:repeat(2,1fr)}
  .bb-row{grid-template-columns:110px 1fr 70px;gap:10px}
  .bar{padding:14px 20px}
  .bar-note{display:none}
}
@media (max-width:480px){
  .milestones{grid-template-columns:1fr 1fr;gap:10px}
  .bb-row{grid-template-columns:1fr;gap:6px;padding-bottom:20px}
  .bb-tag{width:90px}
  .switcher{bottom:14px;right:14px}
  .switcher a{width:30px;height:30px;font-size:.76rem}
}