/* ============================================================
   Секрети жирних оферів C#/.NET — лендінг реєстрації
   Токени й конвенції успадковані з лендінга NEXT LEVEL
   ============================================================ */

:root{
  --bg:            #08060f;
  --bg-soft:       #0d0a1a;
  --surface:       rgba(255,255,255,.035);
  --surface-2:     rgba(255,255,255,.06);
  --border:        rgba(168,132,255,.16);
  --border-strong: rgba(168,132,255,.32);

  --violet:  #8b5cf6;
  --purple:  #a855f7;
  --fuchsia: #d946ef;
  --cyan:    #22d3ee;

  --minus:   #ff6b7a;
  --plus:    #4ade80;

  --grad: linear-gradient(120deg, var(--violet), var(--purple) 55%, var(--fuchsia));

  --text:      #f6f4fb;
  --text-dim:  #b7b0d1;
  --text-mute: #7c7796;

  --radius:    18px;
  --radius-sm: 12px;
  --radius-lg: 28px;

  --shadow-glow: 0 0 0 1px var(--border), 0 20px 60px -20px rgba(139,92,246,.35);

  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, sans-serif;
  --font-mono:    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; }

body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul,ol{ list-style:none; }
button{ font:inherit; background:none; border:none; cursor:pointer; color:inherit; }

a:focus-visible, button:focus-visible, summary:focus-visible,
input:focus-visible, select:focus-visible{
  outline: 2px solid var(--purple);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

.container{
  width:100%;
  max-width:1000px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

#reg, #about, #program, #speaker, #faq{ scroll-margin-top:88px; }

.grad{
  background: var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ============== background fx ============== */
.bg-fx{ position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; }

.bg-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(to right, rgba(168,132,255,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(168,132,255,.05) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 40%, transparent 100%);
}

.blob{ position:absolute; border-radius:50%; filter:blur(90px); opacity:.5; }
.blob--1{
  width:620px; height:620px; top:-240px; right:-180px;
  background: radial-gradient(circle, rgba(139,92,246,.55), transparent 68%);
}
.blob--2{
  width:520px; height:520px; top:900px; left:-220px;
  background: radial-gradient(circle, rgba(217,70,239,.35), transparent 68%);
}

/* ============== typography ============== */
.h2{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(24px,3.4vw,34px);
  line-height:1.15;
  letter-spacing:-.02em;
  text-wrap:balance;
}

.eyebrow{
  display:block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--text-mute);
  margin-bottom:14px;
}
.eyebrow::before{ content:"// "; color:var(--purple); }

.section__lead{
  color:var(--text-dim);
  font-size:18px;
  max-width:62ch;
  margin-top:14px;
}

.caption{
  margin-top:18px;
  color:var(--text-dim);
  font-size:15.5px;
  max-width:64ch;
}
.caption b{ color:var(--text); font-weight:600; }

/* ============== buttons ============== */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px;
  padding:15px 28px;
  border-radius:100px;
  font-weight:600;
  font-size:.95rem;
  white-space:nowrap;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
}
.btn--primary{
  background: var(--grad);
  color:#fff;
  box-shadow: 0 10px 30px -8px rgba(168,132,255,.6);
}
.btn--primary:hover{ transform:translateY(-2px); box-shadow:0 16px 40px -10px rgba(168,132,255,.75); }
.btn--lg{ padding:18px 36px; font-size:1rem; }
.btn--block{ width:100%; }

/* ============== header ============== */
.site-header{
  position:sticky; top:0; z-index:90;   /* вище за оверлей меню, щоб хрестик лишався клікабельним */
  background:rgba(8,6,15,.78);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.header__inner{ display:flex; align-items:center; gap:20px; padding-top:14px; padding-bottom:14px; }

.logo{
  font-family:var(--font-display);
  font-weight:800; font-size:1rem; letter-spacing:-.01em;
}
.logo span{
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

.header__cta{ padding:11px 22px; font-size:.87rem; }

/* ============== hero ============== */
.hero{ padding:52px 0 60px; }

.pill{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono);
  font-size:12.5px; letter-spacing:.08em; text-transform:uppercase;
  color:#d9cbff;
  border:1px solid var(--border-strong);
  background:rgba(139,92,246,.1);
  padding:8px 15px; border-radius:100px;
}
.pill__dot{ width:6px; height:6px; border-radius:50%; background:var(--fuchsia); flex:none; }

.hero__title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(31px,5.4vw,54px);
  line-height:1.08;
  letter-spacing:-.03em;
  text-wrap:balance;
  margin-top:20px;
}
.hero__lead{ color:var(--text-dim); font-size:19px; max-width:58ch; margin-top:18px; }

.hero__actions{ display:flex; flex-wrap:wrap; align-items:center; gap:22px; margin-top:26px; }

/* countdown */
.countdown{ display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.countdown__label{
  font-family:var(--font-mono); font-size:11.5px;
  letter-spacing:.14em; text-transform:uppercase; color:var(--text-mute);
}
.countdown__cells{ display:flex; gap:10px; }
.cd-cell{
  border:1px solid var(--border); border-radius:var(--radius-sm);
  background:var(--surface); padding:10px 16px; text-align:center; min-width:66px;
}
.cd-cell b{
  display:block; font-family:var(--font-display); font-weight:700;
  font-size:20px; font-variant-numeric:tabular-nums; letter-spacing:-.02em;
}
.cd-cell i{ font-style:normal; font-family:var(--font-mono); font-size:10.5px; color:var(--text-mute); letter-spacing:.1em; }

/* ============== sections ============== */
.section{ padding:56px 0; }
.section--reg{ padding-bottom:80px; }

/* ============== callout + pains ============== */
.callout{
  border:1px solid var(--border);
  border-left:3px solid var(--purple);
  border-radius:var(--radius);
  background:var(--surface);
  padding:28px 30px;
}
.callout__title{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(21px,2.9vw,28px); line-height:1.18; letter-spacing:-.02em;
  text-wrap:balance;
}
.callout p{ margin-top:14px; color:var(--text-dim); font-size:16.5px; max-width:60ch; }
.callout b{ color:var(--text); font-weight:600; }

.pains{ margin-top:32px; }
.pain{ padding:20px 0; border-bottom:1px solid var(--border); }
.pain:first-child{ border-top:1px solid var(--border); }
.pain__quote{
  display:block;
  font-family:var(--font-display); font-weight:600; font-size:18px;
  letter-spacing:-.01em; quotes:"«" "»";
}
.pain p{ margin-top:8px; color:var(--text-dim); font-size:15.5px; max-width:66ch; }

/* ============== panel (diff / code) ============== */
.panel{
  margin-top:28px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--bg-soft);
  overflow:hidden;
  box-shadow:var(--shadow-glow);
}
.panel__bar{
  display:flex; align-items:center; gap:14px;
  padding:12px 18px;
  border-bottom:1px solid var(--border);
  background:var(--surface-2);
  font-family:var(--font-mono); font-size:12.5px; color:var(--text-mute);
}
.panel__file{ color:var(--text); }
.panel__meta{ margin-left:auto; }
.panel__meta i{ font-style:normal; }
.panel__meta .is-minus{ color:var(--minus); }
.panel__meta .is-plus{ color:var(--plus); }

.codeflow{
  padding:16px 0;
  overflow-x:auto;
  font-family:var(--font-mono);
  font-size:13.5px;
  line-height:1.85;
  margin:0;
}
.cl{ display:block; padding:0 20px; white-space:pre; color:#cdc7e0; }
.cl > i{ display:inline-block; width:18px; font-style:normal; user-select:none; }
.cl--flag{ background:rgba(255,107,122,.09); box-shadow:inset 3px 0 0 var(--minus); }

.codeflow--num .ln{ display:inline-block; width:28px; color:#4e4870; font-style:normal; user-select:none; }
.k{ color:#c58bff; }
.t{ color:#7fd3ff; }
.s{ color:#9be6a8; }


/* review notes under code */
.reviews{ border-top:1px solid var(--border); background:var(--surface-2); }
.review{ display:flex; gap:14px; padding:14px 18px; align-items:flex-start; }
.review + .review{ border-top:1px solid var(--border); }
.review__at{
  font-family:var(--font-mono); font-size:11.5px; font-weight:700;
  color:var(--minus); background:rgba(255,107,122,.12);
  border:1px solid rgba(255,107,122,.3);
  padding:3px 9px; border-radius:6px; flex:none; margin-top:2px;
}
.review p{ font-size:15px; color:#ded9ec; }
.review b{ color:#fff; font-weight:600; }

/* ============== secrets ============== */
.secrets{ margin-top:28px; }
.secret{
  display:grid; grid-template-columns:38px 1fr; gap:16px;
  padding:22px 0; border-bottom:1px solid var(--border);
}
.secret:first-child{ border-top:1px solid var(--border); }
.secret__idx{
  font-family:var(--font-mono); font-size:12px; color:var(--purple);
  padding-top:4px; letter-spacing:.04em;
}
.secret h3{ font-family:var(--font-display); font-weight:600; font-size:18.5px; letter-spacing:-.01em; }
.secret p{ margin-top:7px; color:var(--text-dim); font-size:15.5px; }

/* ============== cases ============== */
.caselist{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:16px; margin-top:30px;
}
.case{
  border:1px solid var(--border); border-radius:var(--radius);
  background:var(--surface); padding:22px;
  display:flex; flex-direction:column; gap:14px;
}
.case__head{ display:flex; align-items:center; gap:14px; }
.case__ava{
  width:56px; height:56px; border-radius:50%; flex:none;
  border:1px solid var(--border-strong); background:var(--bg-soft);
  object-fit:cover;
}
.case__ava--ph{
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; font-size:20px;
  color:var(--purple);
}
.case__name{ font-family:var(--font-display); font-weight:700; font-size:17px; letter-spacing:-.01em; }
.case__move{
  font-family:var(--font-mono); font-size:13px; color:var(--text-mute);
  margin-top:4px; font-variant-numeric:tabular-nums;
}
.case__move b{ color:var(--plus); font-weight:700; }
.case__res{ color:var(--text-dim); font-size:15.5px; }
.case__res b{ color:var(--text); font-weight:600; }

.case__more{ margin-top:auto; border-top:1px solid var(--border); padding-top:12px; }
.case__more summary{
  cursor:pointer; list-style:none;
  font-family:var(--font-mono); font-size:12px;
  letter-spacing:.1em; text-transform:uppercase; color:var(--purple);
  display:flex; align-items:center; gap:8px;
}
.case__more summary::-webkit-details-marker{ display:none; }
.case__more summary::after{ content:"+"; font-size:15px; }
.case__more[open] summary::after{ content:"−"; }
.case__more p{ margin-top:12px; color:var(--text-mute); font-size:14.5px; line-height:1.55; }
.case__lbl{
  display:block;
  font-family:var(--font-mono); font-size:11px;
  letter-spacing:.1em; text-transform:uppercase; color:var(--text-dim);
  margin-bottom:3px;
}

/* not for */
.notfor{
  margin-top:24px;
  border:1px dashed var(--border-strong);
  border-radius:var(--radius);
  background:rgba(255,107,122,.03);
  padding:24px 26px;
}
.notfor h3{ font-family:var(--font-display); font-weight:600; font-size:18px; }
.notfor ul{ margin-top:14px; list-style:disc; padding-left:20px; }
.notfor li{ color:var(--text-dim); font-size:15.5px; margin-bottom:9px; }
.notfor b{ color:var(--text); font-weight:600; }

/* ============== speaker ============== */
.speaker{
  display:grid; grid-template-columns:300px 1fr; gap:36px; align-items:start;
  margin-top:8px;
}
.speaker__photo{
  border:1px solid var(--border); border-radius:var(--radius);
  overflow:hidden; background:var(--bg-soft);
  box-shadow:var(--shadow-glow);
}
.speaker__photo img{ width:100%; height:auto; }
.speaker__role{
  font-family:var(--font-mono); font-size:12.5px;
  letter-spacing:.1em; text-transform:uppercase; color:var(--purple);
  margin:10px 0 16px;
}
.speaker__body > p{ color:var(--text-dim); font-size:17px; max-width:58ch; }
.speaker__quote{
  margin-top:20px;
  border-left:2px solid var(--purple);
  padding:6px 0 6px 20px;
  font-size:17.5px; color:var(--text); max-width:58ch;
}

.chips{ display:flex; flex-wrap:wrap; gap:10px; margin-top:22px; }
.chip{
  font-family:var(--font-mono); font-size:12.5px;
  border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:9px 13px; color:var(--text-dim); background:var(--surface);
}
.chip b{ color:var(--text); font-weight:700; }

/* ============== faq ============== */
.faq{ margin-top:26px; border-top:1px solid var(--border); }
.qa{ border-bottom:1px solid var(--border); }
.qa summary{
  cursor:pointer; list-style:none;
  padding:19px 0;
  font-family:var(--font-display); font-weight:600; font-size:16.5px;
  display:flex; justify-content:space-between; gap:20px; align-items:center;
}
.qa summary::-webkit-details-marker{ display:none; }
.qa summary::after{
  content:"+"; font-family:var(--font-mono); color:var(--purple);
  font-size:20px; flex:none;
}
.qa[open] summary::after{ content:"−"; }
.qa p{ padding:0 0 22px; color:var(--text-dim); font-size:15.5px; max-width:66ch; }

/* ============== registration ============== */
.reg{
  border:1px solid var(--border-strong);
  border-radius:var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(139,92,246,.16), rgba(139,92,246,.02) 60%),
    var(--bg-soft);
  padding:44px 36px;
  box-shadow:var(--shadow-glow);
}
.reg .h2{ margin-top:22px; }



.steps{ margin-top:24px; display:flex; flex-direction:column; gap:11px; }
.steps li{ display:flex; gap:13px; align-items:flex-start; color:var(--text-dim); font-size:15px; }
.steps__n{
  font-family:var(--font-mono); font-size:11.5px; color:var(--purple);
  border:1px solid var(--border-strong); border-radius:6px;
  padding:3px 8px; flex:none; margin-top:2px;
}
.reg__fine{ margin-top:20px; font-family:var(--font-mono); font-size:12px; color:var(--text-mute); }

/* ============== footer ============== */
.site-footer{ border-top:1px solid var(--border); padding:30px 0 56px; }
.footer__inner{
  display:flex; flex-wrap:wrap; gap:12px; justify-content:space-between;
  color:var(--text-dim); font-size:14px;
}
.footer__dim{ color:var(--text-mute); font-family:var(--font-mono); font-size:12.5px; }


/* ============== nav у хедері ============== */
.nav{
  margin-left:auto;
  display:flex; gap:4px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.nav::-webkit-scrollbar{ display:none; }
.nav a{
  font-size:.9rem; font-weight:500; color:var(--text-dim);
  padding:8px 13px; border-radius:100px; white-space:nowrap;
  transition:color .2s ease, background .2s ease;
}
.nav a:hover{ color:var(--text); background:var(--surface-2); }

/* ============== hero: мета-рядок ============== */
.hero__meta{
  display:flex; flex-wrap:wrap; gap:8px 0;
  margin-top:20px;
  font-family:var(--font-mono); font-size:13px; color:var(--text-mute);
}
.hero__meta span + span::before{
  content:"·"; color:var(--border-strong); margin:0 12px;
}
.hero__meta b{ color:var(--text); font-weight:600; }

/* ============== бонус за реєстрацію ============== */
.bonus{
  margin-top:32px;
  border:1px solid rgba(34,211,238,.28);
  border-radius:var(--radius);
  background:
    linear-gradient(135deg, rgba(34,211,238,.09), rgba(34,211,238,.02) 55%),
    var(--surface);
  padding:22px 24px;
  max-width:640px;
}
.bonus__tag{
  display:inline-block;
  font-family:var(--font-mono); font-size:11px;
  letter-spacing:.12em; text-transform:uppercase;
  color:var(--cyan);
  border:1px solid rgba(34,211,238,.32);
  background:rgba(34,211,238,.08);
  padding:5px 10px; border-radius:100px;
}
.bonus__title{
  margin-top:14px;
  font-family:var(--font-display); font-weight:600;
  font-size:17px; line-height:1.3; letter-spacing:-.01em;
  text-wrap:balance;
}
.bonus__note{ margin-top:10px; color:var(--text-dim); font-size:14.5px; }

/* ============== липка кнопка знизу ============== */
.ctabar{
  position:fixed; left:0; right:0; bottom:0; z-index:60;
  background:rgba(8,6,15,.9);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--border-strong);
  padding:12px 0 calc(12px + env(safe-area-inset-bottom));
  transform:translateY(110%);
  opacity:0; visibility:hidden;
  transition:transform .3s cubic-bezier(.2,.7,.3,1), opacity .25s ease, visibility .25s;
}
.ctabar.is-on{ transform:translateY(0); opacity:1; visibility:visible; }
.ctabar__inner{ display:flex; align-items:center; gap:20px; justify-content:space-between; }
.ctabar__txt{ font-size:14px; color:var(--text); line-height:1.35; }
.ctabar__txt b{ font-weight:600; }
.ctabar__txt span{
  display:block; margin-top:3px;
  font-family:var(--font-mono); font-size:11.5px; color:var(--text-mute);
}
.ctabar__btn{ flex:none; }

/* ============== бонус за досидіти ============== */
.reg__stay{
  margin-top:26px; padding-top:20px;
  border-top:1px solid var(--border);
  color:var(--text-dim); font-size:14.5px; line-height:1.55;
}
.reg__stay-tag{
  display:inline-block; margin-right:8px;
  font-family:var(--font-mono); font-size:10.5px;
  letter-spacing:.1em; text-transform:uppercase;
  color:var(--cyan); border:1px solid rgba(34,211,238,.3);
  background:rgba(34,211,238,.08);
  padding:4px 9px; border-radius:100px;
}


/* ============== бургер + меню для мобільних ============== */
.burger{
  display:none;
  width:42px; height:42px; margin-left:auto;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
  border:1px solid var(--border); border-radius:12px;
  background:var(--surface);
}
.burger span{
  display:block; width:18px; height:2px; border-radius:2px;
  background:var(--text);
  transition:transform .25s ease, opacity .2s ease;
}
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.mobile-nav{
  position:fixed; inset:0; z-index:80;
  background:rgba(8,6,15,.97);
  backdrop-filter:blur(16px);
  display:flex; flex-direction:column; gap:4px;
  padding:92px 24px calc(32px + env(safe-area-inset-bottom));
  opacity:0; transform:translateY(-12px);
  transition:opacity .22s ease, transform .22s ease;
}
.mobile-nav[hidden]{ display:none; }
.mobile-nav.is-open{ opacity:1; transform:none; }
.mobile-nav a{
  font-family:var(--font-display); font-weight:600; font-size:1.25rem;
  padding:16px 4px; border-bottom:1px solid var(--border);
  color:var(--text);
}
.mobile-nav__cta{
  margin-top:26px; border-bottom:0;
  font-size:1rem !important; padding:17px 28px !important;
}
body.is-locked{ overflow:hidden; }

/* ============== responsive ============== */
@media (max-width:860px){
  .speaker{ grid-template-columns:1fr; gap:26px; }
  .speaker__photo{ max-width:300px; }
}

@media (max-width:900px){
  .nav{ display:none; }
  .burger{ display:flex; }
}

@media (max-width:620px){
  body{ font-size:16px; }
  .header__inner{ gap:10px; }
  .logo{ font-size:.9rem; }
  .ctabar__txt{ display:none; }
  .hero__meta{ flex-direction:column; gap:6px; }
  .hero__meta span + span::before{ display:none; }
  .ctabar__btn{ width:100%; }
  .container{ padding:0 18px; }
  .section{ padding:44px 0; }
  .hero{ padding:52px 0 48px; }
  .header__date{ display:none; }
  .header__cta{ margin-left:auto; }
  .hero__actions{ gap:16px; }
  .hero__actions .btn{ width:100%; }
  .facts__item{ flex:1 1 100%; border-right:0; border-bottom:1px solid var(--border); }
  .facts__item:last-child{ border-bottom:0; }
  .secret{ grid-template-columns:1fr; gap:8px; }
  .agenda__row{ grid-template-columns:1fr; gap:6px; }
  .callout, .reg{ padding:26px 20px; }
  .bonus{ padding:20px; }
  .hero__actions{ flex-direction:column; align-items:stretch; gap:16px; }
  .hero__actions .btn{ width:100%; }
  /* таймер — над кнопкою, щоб бонус лишався одразу під нею */
  .hero__actions .countdown{ order:-1; justify-content:space-between; }
}

@media (max-width:430px){
  /* перший екран мусить тримати кнопку навіть на iPhone SE */
  .hero{ padding-top:30px; }
  .hero__title{ font-size:28px; letter-spacing:-.02em; }
  .hero__lead{ font-size:15.5px; margin-top:14px; }
  .hero__meta{ margin-top:15px; font-size:12px; }
  .hero__actions{ margin-top:20px; }
  .bonus{ margin-top:26px; }
}

.reg__btn{ margin-top:28px; }