/* ============================================================
   Психологія перемоги — ЦФОЛ від УАФ
   Design system
   Headings: Colus (fallback Archivo) · Body: Inter Tight
   ============================================================ */

:root{
  /* palette — warm monochrome + accent */
  --ink:        #16140f;
  --ink-2:      #3c382f;
  --ink-3:      #6f6a5d;
  --surface:    #f6f2ea;
  --surface-2:  #efe9dd;
  --card:       #fffdf8;
  --line:       rgba(22,20,15,.13);
  --line-soft:  rgba(22,20,15,.07);
  --accent:     #b08968;   /* user choice */
  --accent-deep:#8c6a4d;
  --on-accent:  #ffffff;

  /* dark band */
  --dk-bg:      #161310;
  --dk-bg-2:    #211d18;
  --dk-ink:     #f3ede2;
  --dk-ink-2:   #b7ae9e;
  --dk-line:    rgba(243,237,226,.14);

  /* type */
  --font-head: 'Colus','Archivo','Inter Tight',-apple-system,sans-serif;
  --font-body: 'Inter Tight',-apple-system,'Segoe UI',sans-serif;

  --radius: 4px;
  --wrap: 1200px;
  --pad-x: clamp(20px, 5vw, 72px);
  --sec-y: clamp(80px, 10vw, 148px);

  /* tweakable head-case */
  --head-transform: uppercase;
  --head-spacing: -0.01em;
}

/* surface theme variants (set by Tweaks) */
:root[data-surface="cool"]{
  --surface:#f1f2f4; --surface-2:#e7e9ec; --card:#ffffff;
  --ink:#14161a; --ink-2:#363a42; --ink-3:#6a7080;
  --line:rgba(20,22,26,.13); --line-soft:rgba(20,22,26,.07);
}
:root[data-surface="paper"]{
  --surface:#efece6; --surface-2:#e6e1d8; --card:#fbfaf6;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--surface);
  color:var(--ink);
  font-size:18px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--pad-x)}

/* ---------- typography ---------- */
h1,h2,h3{
  font-family:var(--font-head);
  font-weight:700;
  line-height:1.02;
  letter-spacing:var(--head-spacing);
  text-transform:var(--head-transform);
}
.display{
  font-size:clamp(40px,6.6vw,92px);
  line-height:.98;
}
.h-sec{
  font-size:clamp(30px,4.3vw,58px);
  line-height:1.04;
}
.h-sub{ font-family:var(--font-head); font-weight:700; font-size:clamp(20px,2vw,27px); text-transform:var(--head-transform); letter-spacing:var(--head-spacing);}

.overline{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:13px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--accent-deep);
}
.overline::before{
  content:"";width:26px;height:1.5px;background:var(--accent);
}
.lead{font-size:clamp(19px,1.55vw,22px);line-height:1.62;color:var(--ink-2)}
.muted{color:var(--ink-3)}

/* ---------- buttons ---------- */
.btn{
  --b:var(--accent);
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--font-body);font-weight:600;font-size:16px;
  letter-spacing:.01em;
  padding:18px 30px;
  background:var(--ink);color:var(--surface);
  border:1px solid var(--ink);
  border-radius:var(--radius);
  cursor:pointer;
  transition:transform .25s cubic-bezier(.2,.7,.2,1),background .25s,color .25s,box-shadow .25s;
  will-change:transform;
}
.btn .arw{transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.btn:hover{background:var(--accent);border-color:var(--accent);color:var(--on-accent);transform:translateY(-2px);box-shadow:0 14px 30px -14px var(--accent-deep)}
.btn:hover .arw{transform:translateX(5px)}
.btn-lg{padding:22px 38px;font-size:18px}
.btn-ghost{
  background:transparent;color:var(--ink);border:1px solid var(--line);
}
.btn-ghost:hover{background:transparent;color:var(--accent-deep);border-color:var(--accent);box-shadow:none;transform:translateY(-2px)}
.btn-light{background:var(--surface);color:var(--ink);border-color:var(--surface)}
.btn-light:hover{background:var(--accent);border-color:var(--accent);color:#fff}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb, var(--surface) 86%, transparent);
  backdrop-filter:saturate(1.2) blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}
.site-header .logo{height:38px;width:auto}
.nav{display:flex;gap:34px;align-items:center}
.nav a{font-size:14.5px;font-weight:500;color:var(--ink-2);letter-spacing:.01em;transition:color .2s}
.nav a:hover{color:var(--accent-deep)}
.header-cta{display:flex;align-items:center;gap:18px}
.header-date{font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--ink-3);text-transform:uppercase}
.btn-sm{padding:12px 22px;font-size:14.5px}
@media(max-width:900px){.nav{display:none}.header-date{display:none}}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding-top:clamp(48px,6vw,88px);padding-bottom:var(--sec-y)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(36px,5vw,80px);align-items:center}
.hero-copy{position:relative;z-index:2}
.hero h1{margin:26px 0 0}
.hero h1 .accentword{color:var(--accent-deep)}
.hero-sub{margin-top:26px;max-width:33ch}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:10px 17px;border:1px solid var(--line);border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);background:var(--card);
  white-space:nowrap;
}
.chip b{font-weight:700;color:var(--ink)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}

.hero-figure{position:relative}
.hero-photo{
  position:relative;z-index:2;
  aspect-ratio:1100/1500;width:100%;object-fit:cover;object-position:50% 18%;
  border-radius:var(--radius);
  box-shadow:0 40px 90px -50px rgba(22,20,15,.6);
}
.figure-tag{
  position:absolute;z-index:3;left:-18px;bottom:34px;
  background:var(--ink);color:var(--surface);
  padding:16px 22px;border-radius:var(--radius);
  max-width:230px;
  box-shadow:0 24px 50px -28px rgba(22,20,15,.7);
}
.figure-tag .ft-name{font-family:var(--font-head);text-transform:var(--head-transform);font-weight:700;font-size:17px;letter-spacing:.01em}
.figure-tag .ft-role{font-size:13px;color:var(--dk-ink-2);margin-top:4px;line-height:1.4}

/* hero event card (replaces single-speaker portrait) */
.hero-card{
  position:relative;overflow:hidden;
  background:var(--dk-bg);color:var(--dk-ink);
  border-radius:var(--radius);
  padding:clamp(30px,3vw,44px);
  min-height:clamp(420px,42vw,560px);
  display:flex;flex-direction:column;
  box-shadow:0 40px 90px -50px rgba(22,20,15,.6);
}
.hero-card .wmark{right:-14%;bottom:-12%;width:78%;opacity:.07}
.hc-top{display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative;z-index:2}
.hc-eyebrow{font-family:var(--font-body);font-weight:600;font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.hc-badge{font-family:var(--font-body);font-weight:600;font-size:12.5px;letter-spacing:.1em;color:var(--dk-ink-2);border:1px solid var(--dk-line);border-radius:999px;padding:6px 13px;white-space:nowrap}
.hc-mid{margin-top:auto;padding-top:30px;position:relative;z-index:2}
.hc-date{font-family:var(--font-head);font-weight:700;text-transform:var(--head-transform);font-size:clamp(76px,9.5vw,128px);line-height:.86;letter-spacing:-.02em}
.hc-date .hc-dot{color:var(--accent)}
.hc-when{margin-top:14px;color:var(--dk-ink-2);font-size:16px;letter-spacing:.02em}
.hc-rows{margin-top:26px;border-top:1px solid var(--dk-line);position:relative;z-index:2}
.hc-row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:13px 0;border-bottom:1px solid var(--dk-line);font-size:15.5px}
.hc-row span{color:var(--dk-ink-2)}
.hc-row b{font-weight:600;color:var(--dk-ink)}

/* watermark trident */
.wmark{
  position:absolute;pointer-events:none;opacity:.05;z-index:0;
  filter:none;
}
.hero .wmark{right:-6%;top:-8%;width:min(640px,52vw)}

/* ---------- generic section ---------- */
.section{padding-block:var(--sec-y);position:relative}
.section--alt{background:var(--surface-2)}
.sec-head{max-width:60ch}
.sec-head .h-sec{margin-top:20px}

/* ---------- problem ---------- */
#problem .sec-head{max-width:none}
#problem .h-sec{font-size:clamp(30px,4vw,56px);line-height:1.04;text-wrap:balance;max-width:none}
.problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,86px);margin-top:clamp(40px,5vw,64px);align-items:start}
.problem-lead{font-size:clamp(22px,2.3vw,30px);line-height:1.34;font-weight:500;color:var(--ink);font-family:var(--font-body)}
.problem-lead .hl{color:var(--accent-deep)}
.problem-body p{margin-top:22px;color:var(--ink-2)}
.problem-body p:first-child{margin-top:0}

/* ---------- program ---------- */
.prog-list{margin-top:clamp(40px,5vw,68px);border-top:1px solid var(--line)}
.prog-item{
  display:grid;grid-template-columns:140px 1fr;gap:clamp(20px,4vw,60px);
  padding-block:clamp(34px,4vw,52px);
  border-bottom:1px solid var(--line);
  align-items:start;
}
.prog-num{font-family:var(--font-head);font-weight:700;font-size:clamp(46px,5vw,78px);line-height:.85;color:var(--accent);letter-spacing:-.02em}
.prog-main h3{font-size:clamp(23px,2.4vw,32px);margin-bottom:18px}
.prog-points{display:grid;gap:12px;max-width:62ch}
.prog-points li{list-style:none;position:relative;padding-left:26px;color:var(--ink-2);font-size:17px;line-height:1.5}
.prog-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;background:var(--accent);border-radius:1px;transform:rotate(45deg)}
@media(max-width:680px){.prog-item{grid-template-columns:1fr;gap:14px}.prog-num{font-size:54px}}

/* ---------- result ---------- */
.result-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);margin-top:clamp(40px,5vw,64px);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.result-cell{background:var(--card);padding:clamp(28px,3vw,40px)}
.result-cell .ridx{font-family:var(--font-head);font-weight:700;color:var(--accent);font-size:15px;letter-spacing:.08em}
.result-cell p{margin-top:16px;font-size:18.5px;line-height:1.45;color:var(--ink)}
@media(max-width:680px){.result-grid{grid-template-columns:1fr}}

.funnel{
  margin-top:clamp(36px,4vw,52px);
  display:grid;grid-template-columns:auto 1fr;gap:clamp(24px,4vw,54px);align-items:center;
  padding:clamp(30px,4vw,48px);
  background:var(--ink);color:var(--surface);border-radius:var(--radius);
  position:relative;overflow:hidden;
}
.funnel .wmark{right:-4%;bottom:-30%;width:340px;opacity:.07}
.funnel-label{font-family:var(--font-head);text-transform:var(--head-transform);font-weight:700;font-size:clamp(22px,2.4vw,32px);line-height:1.05;position:relative;z-index:2}
.funnel-steps{display:grid;gap:16px;position:relative;z-index:2}
.funnel-step{display:flex;gap:16px;align-items:baseline;color:var(--dk-ink-2);font-size:17.5px;line-height:1.4}
.funnel-step .fs-arw{color:var(--accent);font-weight:700;flex:none}
.funnel-step b{color:var(--surface);font-weight:600}
@media(max-width:680px){.funnel{grid-template-columns:1fr;gap:22px}}

/* ---------- speakers ---------- */
.spk-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3vw,40px);margin-top:clamp(40px,5vw,64px)}
.spk-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.spk-photo,.spk-card image-slot{width:100%;aspect-ratio:4/3.1;display:block}
.spk-photo{object-fit:cover;object-position:50% 22%}
.spk-body{padding:clamp(26px,3vw,36px)}
.spk-name{font-family:var(--font-head);text-transform:var(--head-transform);font-weight:700;font-size:clamp(22px,2.2vw,30px);letter-spacing:var(--head-spacing)}
.spk-role{margin-top:10px;color:var(--accent-deep);font-weight:600;font-size:15px;letter-spacing:.02em}
.spk-bio{margin-top:18px;color:var(--ink-2);font-size:16.5px;line-height:1.55}
@media(max-width:760px){.spk-grid{grid-template-columns:1fr}}

/* ---------- registration (dark) ---------- */
.reg{background:var(--dk-bg);color:var(--dk-ink);position:relative;overflow:hidden}
.reg .wmark{left:-9%;top:auto;bottom:-8%;transform:none;width:min(360px,32vw);opacity:.03}
.reg-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,6vw,90px);align-items:center}
.reg h2{color:var(--dk-ink)}
.reg .overline{color:var(--accent)}
.reg-who{margin-top:26px;color:var(--dk-ink-2);font-size:19px;line-height:1.6;max-width:46ch}
.reg-card{background:var(--dk-bg-2);border:1px solid var(--dk-line);border-radius:var(--radius);padding:clamp(32px,4vw,46px)}
.reg-card .rc-k{font-family:var(--font-head);text-transform:var(--head-transform);font-weight:700;font-size:22px}
.reg-detail{display:grid;gap:0;margin:22px 0 30px;border-top:1px solid var(--dk-line)}
.reg-detail div{display:flex;justify-content:space-between;gap:16px;padding:15px 0;border-bottom:1px solid var(--dk-line);font-size:16px}
.reg-detail .rd-k{color:var(--dk-ink-2)}
.reg-detail .rd-v{color:var(--dk-ink);font-weight:600}
.reg-card .btn{width:100%;justify-content:center}
.reg-note{margin-top:16px;font-size:13.5px;color:var(--dk-ink-2);text-align:center;line-height:1.5}
@media(max-width:860px){.reg-inner{grid-template-columns:1fr;gap:36px}}

/* ---------- footer ---------- */
.site-footer{background:var(--dk-bg);color:var(--dk-ink-2);padding-block:54px;border-top:1px solid var(--dk-line)}
.site-footer .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.site-footer .logo{height:40px}
.foot-tag{font-size:14px;letter-spacing:.02em}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);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){.reveal{opacity:1;transform:none;transition:none}}

@media(max-width:880px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-figure{order:-1;max-width:440px}
  .problem-grid{grid-template-columns:1fr;gap:28px}
}

/* hero layout variant: centered (no photo column) */
:root[data-hero="center"] .hero-grid{grid-template-columns:1fr;text-align:center;max-width:980px;margin-inline:auto}
:root[data-hero="center"] .hero-figure{display:none}
:root[data-hero="center"] .overline{justify-content:center}
:root[data-hero="center"] .hero-sub,:root[data-hero="center"] .hero-meta,:root[data-hero="center"] .hero-actions{margin-inline:auto;justify-content:center}
:root[data-hero="center"] .hero-sub{max-width:46ch}