/* ── aizome: japanese indigo, sumi ink, washi paper, one vermilion seal ── */
:root{
  --sumi:#12151b;         /* ink */
  --sumi-2:#1a1f28;
  --ai:#16324f;           /* indigo */
  --ai-mid:#22588c;
  --ai-light:#7fb2dd;
  --washi:#efe9dd;        /* paper */
  --washi-2:#e3dbcb;
  --shu:#c8442e;          /* vermilion — seal only */
  --kin:#c9a227;          /* brass — moxa warmth */
  --grey:#8d97a8;
  --line:rgba(127,178,221,.22);

  --display:"Spectral",Georgia,serif;
  --body:"Manrope",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;

  --pad:clamp(20px,5vw,64px);
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}}
body{
  margin:0;background:var(--sumi);color:var(--washi);
  font-family:var(--body);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}

/* ── signature: the meridian line ── */
.meridian{position:fixed;left:max(18px,3.2vw);top:0;bottom:0;width:1px;
  background:linear-gradient(180deg,transparent,var(--line) 8%,var(--line) 92%,transparent);
  z-index:5;pointer-events:none}
.meridian b{position:absolute;left:50%;width:7px;height:7px;margin-left:-3.5px;border-radius:50%;
  background:var(--sumi);border:1px solid var(--ai-light);opacity:.55}
.meridian b.on{background:var(--ai-light);box-shadow:0 0 0 4px rgba(127,178,221,.14);opacity:1}
@media(max-width:820px){.meridian{display:none}}

/* ── nav ── */
nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);
  background:rgba(18,21,27,.82);border-bottom:1px solid rgba(127,178,221,.12)}
nav .wrap{display:flex;align-items:center;gap:28px;height:66px}
.brand{font-family:var(--display);font-size:19px;letter-spacing:.01em;text-decoration:none;white-space:nowrap}
.brand em{font-style:normal;color:var(--ai-light)}
nav .links{display:flex;gap:22px;margin-left:auto;align-items:center}
nav a.nl{font-size:14px;color:var(--grey);text-decoration:none;transition:color .2s}
nav a.nl:hover{color:var(--washi)}
.lang{display:none;border:1px solid rgba(127,178,221,.25);border-radius:999px;overflow:hidden}
.lang a{font-family:var(--mono);font-size:11px;padding:5px 10px;text-decoration:none;color:var(--grey)}
.lang a.act{background:var(--ai);color:#fff}
@media(max-width:820px){nav .links{gap:14px}nav a.nl{display:none}}

/* ── hero ── */
.hero{position:relative;overflow:hidden;
  background:radial-gradient(120% 90% at 78% 8%,#1d3f63 0%,#16324f 34%,var(--sumi) 78%)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,4vw,56px);
  align-items:end;padding-top:clamp(48px,7vw,88px);padding-bottom:0}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--ai-light);margin:0 0 22px}
h1{font-family:var(--display);font-weight:300;font-size:clamp(38px,6.2vw,74px);
  line-height:1.03;margin:0 0 22px;letter-spacing:-.015em}
h1 em{font-style:italic;color:var(--ai-light)}
.hero p.lead{font-size:clamp(17px,1.5vw,20px);color:#c5cedd;max-width:47ch;margin:0 0 30px}
.hero-figure{position:relative;align-self:end}
.hero-figure img{width:100%;height:auto;display:block;
  max-height:min(74vh,780px);object-fit:cover;object-position:50% 16%;
  filter:saturate(.94) contrast(1.03);
  -webkit-mask-image:
    linear-gradient(to bottom, transparent 0%, #000 14%, #000 66%, transparent 100%),
    linear-gradient(to right, transparent 0%, #000 13%, #000 87%, transparent 100%);
  -webkit-mask-composite:source-in;
  mask-image:
    linear-gradient(to bottom, transparent 0%, #000 14%, #000 66%, transparent 100%),
    linear-gradient(to right, transparent 0%, #000 13%, #000 87%, transparent 100%);
  mask-composite:intersect}
.hero-figure figcaption{position:absolute;left:8%;bottom:8%;background:rgba(12,20,32,.72);
  backdrop-filter:blur(6px);border-left:3px solid var(--ai-light);border-radius:2px;
  padding:10px 16px;font-size:13px;line-height:1.4}
.hero-figure figcaption b{display:block;font-size:15px}
.hero-figure figcaption span{color:var(--grey)}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:26px;padding-bottom:0}
  .hero-figure{max-width:420px}}

/* ── credentials strip ── */
.creds{border-top:1px solid rgba(127,178,221,.14);border-bottom:1px solid rgba(127,178,221,.14);
  background:rgba(22,50,79,.28)}
.creds .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding-top:24px;padding-bottom:24px}
.creds div span{font-family:var(--mono);font-size:26px;color:var(--washi);display:block}
.creds div small{font-size:13px;color:var(--grey)}
@media(max-width:760px){.creds .wrap{grid-template-columns:repeat(2,1fr);gap:18px}}

/* ── generic section ── */
section{padding:clamp(56px,8vw,104px) 0}
.sec-head{display:flex;align-items:baseline;gap:18px;margin-bottom:38px;flex-wrap:wrap}
.sec-head h2{font-family:var(--display);font-weight:300;font-size:clamp(28px,3.6vw,42px);
  margin:0;letter-spacing:-.01em}
.sec-head .idx{font-family:var(--mono);font-size:12px;color:var(--ai-light);letter-spacing:.18em}
.sec-head p{margin:0;color:var(--grey);font-size:15px;max-width:46ch}

/* ── paper section (courses) ── */
.paper{background:var(--washi);color:var(--sumi)}
.paper .sec-head h2{color:var(--ai)}
.paper .sec-head .idx{color:var(--shu)}
.paper .sec-head p{color:#5d6470}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--washi-2);border-radius:3px;padding:26px 24px 22px;
  display:flex;flex-direction:column;transition:transform .22s,box-shadow .22s;position:relative}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(22,50,79,.13)}
.card .tag{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ai-mid);margin-bottom:14px;display:flex;align-items:center;gap:7px}
.card .tag i{width:6px;height:6px;border-radius:50%;background:var(--ai-mid);font-style:normal}
.card .tag.live i{background:var(--shu);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(200,68,46,.5)}50%{box-shadow:0 0 0 6px rgba(200,68,46,0)}}
.card h3{font-family:var(--display);font-weight:500;font-size:23px;margin:0 0 8px;line-height:1.22}
.card .lvl{font-size:13px;color:#7a828f;margin:0 0 14px}
.card p{font-size:15px;color:#4a515c;margin:0 0 20px}
.card .foot{margin-top:auto;display:flex;align-items:flex-end;justify-content:space-between;gap:14px}
.price{font-family:var(--mono);font-size:26px;color:var(--ai);line-height:1}
.price s{font-size:15px;color:#a8afba;margin-right:8px}
.price small{display:block;font-family:var(--body);font-size:12px;color:var(--shu);margin-top:5px}
.go{font-size:14px;text-decoration:none;color:var(--ai);border-bottom:1px solid var(--ai-light);
  padding-bottom:2px;white-space:nowrap}

/* bundles */
.bundles{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.bundle{background:var(--ai);color:#fff;border-radius:3px;padding:26px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.bundle h4{font-family:var(--display);font-weight:400;font-size:21px;margin:0 0 4px}
.bundle small{color:#a9c6e0;font-size:13px}
.bundle .price{color:#fff}
.bundle .price s{color:#7e9dbb}
@media(max-width:760px){.bundles{grid-template-columns:1fr}}

/* ── calendar ── */
.cal{display:flex;flex-direction:column;border-top:1px solid rgba(127,178,221,.16)}
.cal-row{display:grid;grid-template-columns:200px 1fr auto;gap:20px;align-items:center;
  padding:20px 0;border-bottom:1px solid rgba(127,178,221,.16)}
.cal-row .d{font-family:var(--mono);font-size:15px;color:var(--ai-light)}
.cal-row .w{font-size:17px}
.cal-row .k{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--grey);border:1px solid rgba(127,178,221,.28);border-radius:999px;padding:4px 11px}
@media(max-width:700px){.cal-row{grid-template-columns:1fr;gap:6px}}

/* ── reviews ── */
.revs{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.rev{background:var(--sumi-2);border:1px solid rgba(127,178,221,.14);border-radius:3px;padding:26px 24px}
.rev q{display:block;font-size:15.5px;color:#c7d0dd;quotes:none;margin-bottom:18px}
.rev .who{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ai-light)}
.rev .who small{display:block;font-family:var(--body);text-transform:none;letter-spacing:0;color:var(--grey);font-size:12.5px;margin-top:3px}

/* ── seal (used once) ── */
.seal-block{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;
  background:rgba(22,50,79,.3);border:1px solid rgba(127,178,221,.16);border-radius:3px;padding:30px}
.seal{width:82px;height:82px;border:2.5px solid var(--shu);border-radius:6px;display:grid;
  place-items:center;color:var(--shu);font-family:var(--display);font-size:30px;line-height:1;
  transform:rotate(-6deg);flex:none}
.seal-block h4{font-family:var(--display);font-weight:400;font-size:21px;margin:0 0 6px}
.seal-block p{margin:0;color:var(--grey);font-size:14.5px}
@media(max-width:600px){.seal-block{grid-template-columns:1fr;gap:18px}}

/* ── cta ── */
.cta{background:linear-gradient(180deg,var(--sumi),#10233a)}
.cta .wrap{text-align:center}
.cta h2{font-family:var(--display);font-weight:300;font-size:clamp(28px,4vw,44px);margin:0 0 14px}
.cta p{color:var(--grey);margin:0 auto 30px;max-width:52ch}
.btn{display:inline-flex;align-items:center;gap:11px;background:var(--ai-light);color:#0d1a28;
  text-decoration:none;font-weight:700;font-size:16px;padding:15px 30px;border-radius:2px;
  transition:transform .18s,background .18s}
.btn:hover{background:#a3c9e9;transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--washi);border:1px solid rgba(127,178,221,.4)}
.btn.ghost:hover{background:rgba(127,178,221,.1)}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--kin);outline-offset:3px}

/* ── footer ── */
footer{border-top:1px solid rgba(127,178,221,.14);padding:34px 0;font-size:14px;color:var(--grey)}
footer .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
footer a{color:var(--ai-light);text-decoration:none}
.disclaimer{font-size:12.5px;color:#606a7a;max-width:60ch;margin-top:10px}

/* ── course detail page ── */
.detail{display:grid;grid-template-columns:1.5fr 1fr;gap:52px;align-items:start}
.detail ul{list-style:none;padding:0;margin:0 0 30px}
.detail ul li{padding:11px 0 11px 26px;border-bottom:1px solid rgba(127,178,221,.13);
  position:relative;font-size:15.5px}
.detail ul li::before{content:"";position:absolute;left:2px;top:19px;width:7px;height:7px;
  border-radius:50%;border:1px solid var(--ai-light)}
.buybox{background:var(--sumi-2);border:1px solid rgba(127,178,221,.18);border-radius:3px;
  padding:28px;position:sticky;top:90px}
.buybox .price{color:var(--washi);font-size:38px}
.buybox .price s{color:#6f7a8b}
.buybox .btn{width:100%;justify-content:center;margin-top:18px}
.buybox .meta{font-family:var(--mono);font-size:12.5px;color:var(--grey);
  border-top:1px solid rgba(127,178,221,.16);margin-top:20px;padding-top:16px;line-height:2}
@media(max-width:900px){.detail{grid-template-columns:1fr;gap:30px}.buybox{position:static}}

h2.sub{font-family:var(--display);font-weight:400;font-size:25px;margin:34px 0 14px}


/* ── floating free-guide badge ── */
.lead-magnet{position:fixed;right:clamp(14px,2.4vw,26px);bottom:clamp(14px,2.4vw,26px);
  z-index:40;max-width:330px;display:flex;align-items:flex-start;gap:12px;
  background:linear-gradient(155deg,#1d2540,#141a2e);color:var(--washi);
  border:1px solid rgba(201,162,39,.55);border-radius:4px;
  padding:15px 16px 15px 15px;text-decoration:none;
  box-shadow:0 16px 40px rgba(0,0,0,.45);
  opacity:0;transform:translateY(14px);
  animation:lm-in .45s ease-out forwards, lm-bob 2.6s ease-in-out .5s 5;
  transition:transform .2s,border-color .2s}
.lead-magnet:hover,.lead-magnet:focus-within{animation-play-state:paused,paused}
.lead-magnet:hover{transform:translateY(-4px) scale(1.015);border-color:var(--kin)}
.lead-magnet .lm-ico{flex:none;width:38px;height:38px;border-radius:3px;
  background:rgba(201,162,39,.14);border:1px solid rgba(201,162,39,.5);
  display:grid;place-items:center;font-family:var(--mono);font-size:11px;
  color:var(--kin);letter-spacing:.02em}
.lead-magnet .lm-k{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--kin);display:block;margin-bottom:5px}
.lead-magnet .lm-t{font-family:var(--display);font-size:16.5px;line-height:1.28;
  display:block;margin-bottom:6px}
.lead-magnet .lm-h{font-size:12.5px;color:#9fb0c6;display:block}
.lm-close{position:absolute;top:-11px;right:-11px;width:30px;height:30px;z-index:2;border-radius:50%;
  background:#0f1424;border:1px solid rgba(201,162,39,.5);color:#a9b3c2;
  font-size:14px;line-height:1;cursor:pointer;display:grid;place-items:center;padding:0}
.lm-close:hover{color:#fff;border-color:var(--kin)}
@keyframes lm-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@keyframes lm-bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@media (prefers-reduced-motion:reduce){.lead-magnet{animation:lm-in .01s forwards}}
@media(max-width:620px){.lead-magnet{left:14px;right:14px;max-width:none}
  .lead-magnet .lm-t{font-size:15.5px}}

/* ── лента сертификатов ── */
.cm-wrap{position:relative;overflow:hidden;margin-top:30px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
  cursor:grab;touch-action:pan-y}
.cm-wrap:active{cursor:grabbing}
.cm-track{display:flex;gap:18px;will-change:transform}
.cm-item{flex:0 0 216px;background:var(--sumi-2);border:1px solid rgba(127,178,221,.16);
  border-radius:3px;overflow:hidden;padding:0;text-align:left;cursor:pointer;
  font-family:inherit;color:inherit;transition:transform .2s,border-color .2s}
.cm-item:hover{transform:translateY(-4px);border-color:var(--ai-light)}
.cm-item img{width:100%;height:auto;display:block;background:#fff;pointer-events:none}
.cm-cap{display:block;padding:12px 13px}
.cm-cap b{display:block;font-size:13px;font-weight:600;line-height:1.32;margin-bottom:5px}
.cm-cap small{display:block;color:var(--grey);font-size:11.5px;line-height:1.4}
.cm-hint{margin-top:14px;font-size:13px;color:var(--grey)}
.cm-hint b{color:var(--ai-light);font-weight:600}

.cm-view{position:fixed;inset:0;z-index:90;background:rgba(8,11,18,.94);
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:16px;padding:34px}
.cm-view.on{display:flex}
.cm-view img{max-width:min(94vw,1100px);max-height:78vh;box-shadow:0 24px 70px rgba(0,0,0,.6);
  background:#fff;border-radius:2px}
.cm-view p{margin:0;color:var(--grey);font-size:14px;text-align:center;max-width:70ch}
.cm-close{position:absolute;top:22px;right:26px;width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.08);border:1px solid rgba(127,178,221,.35);color:#fff;
  font-size:24px;line-height:1;cursor:pointer;display:grid;place-items:center}
.cm-close:hover{background:rgba(255,255,255,.16)}
@media(max-width:620px){.cm-item{flex-basis:170px}}