/* ============================================================
   THINKLIKE AI — design tokens
   Official brand palette: Mulled Wine / Woodland / Antique Marble /
   Charcoal Smoke / Sandlight / Goat Milk
   ============================================================ */
:root{
  --paper:      #E7E5DB; /* Goat Milk */
  --paper-dim:  #C8C2B7; /* Antique Marble */
  --ink:        #191A1E; /* Charcoal Smoke */
  --ink-soft:   #56483B; /* Woodland */
  --line:       #AD9E89; /* Sandlight */
  --marker:     #49110B; /* Mulled Wine */
  --marker-ink: #E7E5DB; /* Goat Milk */
  --signal:     #49110B; /* Mulled Wine */
  --signal-2:   #6A1D14; /* Mulled Wine, lightened for hover */

  --display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --body:    'IBM Plex Sans', system-ui, sans-serif;
  --mono:    'IBM Plex Mono', 'Courier New', monospace;

  --core-muted:  #AD9E89;
  --core-muted2: #C8C2B7;
  --core-line:   #56483B;

  --max: 1120px;
  --pad: clamp(20px, 4vw, 64px);
}

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

html{ scroll-behavior:smooth; }

body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:17px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; transition-duration:0.01ms !important; }
}

a{ color:inherit; }
img{ max-width:100%; display:block; }

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

/* subtle paper texture */
body::before{
  content:"";
  position:fixed; inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(20,22,20,0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity:0.5;
}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(241,238,226,0.86);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.nav-mark{
  font-family:var(--display);
  font-weight:700;
  font-size:20px;
  letter-spacing:-0.01em;
  display:flex; align-items:center; gap:8px;
}
.nav-mark span.dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--signal);
  display:inline-block;
}
.nav-links{
  display:flex; gap:28px;
  font-family:var(--mono);
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:0.06em;
}
.nav-links a{ text-decoration:none; opacity:0.75; transition:opacity .15s; }
.nav-links a:hover{ opacity:1; }
.nav-cta{
  font-family:var(--mono);
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  background:var(--ink);
  color:var(--paper);
  padding:10px 18px;
  border-radius:2px;
  text-decoration:none;
  white-space:nowrap;
}
.nav-toggle{ display:none; }

.nav-right{ display:flex; align-items:center; gap:18px; }

.lang-switch{
  display:flex;
  border:1px solid var(--line);
  border-radius:2px;
  overflow:hidden;
}
.lang-btn{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.04em;
  background:transparent;
  border:none;
  color:var(--ink-soft);
  padding:8px 10px;
  cursor:pointer;
  transition:background .15s, color .15s;
}
.lang-btn + .lang-btn{ border-left:1px solid var(--line); }
.lang-btn:hover{ color:var(--ink); }
.lang-btn.is-active{ background:var(--ink); color:var(--paper); }

@media (max-width:820px){
  .nav-links{ display:none; }
}
@media (max-width:560px){
  .nav-cta{ display:none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  padding-top:clamp(64px,10vw,120px);
  padding-bottom:clamp(56px,8vw,96px);
  overflow:hidden;
}
.hero > .wrap{ position:relative; z-index:1; }

/* abstract ambient background — no photos, no fake people */
.hero-bg{
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
}
.hero-video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:0;
}
.hero-scrim{
  position:absolute;
  inset:0;
  z-index:1;
  background:linear-gradient(180deg, var(--paper) 0%, rgba(231,229,219,0.88) 55%, var(--paper) 100%);
  opacity:0.9;
}
.hero-word{
  position:absolute;
  z-index:2;
  font-family:var(--mono);
  font-size:clamp(20px, 3vw, 34px);
  color:var(--ink-soft);
  opacity:0.14;
  white-space:nowrap;
  animation:heroWordFloat 9s ease-in-out infinite;
}
.hero-word:nth-child(2){ animation-delay:1.2s; animation-duration:11s; }
.hero-word:nth-child(3){ animation-delay:2.4s; animation-duration:8s; }
.hero-word:nth-child(4){ animation-delay:0.6s; animation-duration:10s; }
.hero-word:nth-child(5){ animation-delay:3s; animation-duration:12s; }
@keyframes heroWordFloat{
  0%,100%{ transform:translateY(0) rotate(-2deg); }
  50%{ transform:translateY(-14px) rotate(1deg); }
}
@media (prefers-reduced-motion: reduce){
  .hero-dots, .hero-word{ animation:none; }
}
@media (max-width:720px){
  .hero-word{ display:none; }
}

.eyebrow{
  font-family:var(--mono);
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:0.12em;
  color:var(--ink-soft);
  display:flex; align-items:center; gap:10px;
  margin-bottom:22px;
}
.eyebrow::before{
  content:"";
  width:26px; height:1px;
  background:var(--ink-soft);
  display:inline-block;
}

.hero h1{
  font-family:var(--display);
  font-weight:700;
  font-size:clamp(38px, 6.4vw, 84px);
  line-height:1.18;
  letter-spacing:-0.01em;
  max-width:16ch;
}

/* signature highlighter-mark treatment */
mark{
  background:var(--marker);
  color:var(--marker-ink);
  padding:0.06em 0.28em 0.1em;
  border-radius:4px;
  box-decoration-break:clone;
  -webkit-box-decoration-break:clone;
}

.hero-sub{
  margin-top:28px;
  max-width:56ch;
  font-size:19px;
  color:var(--ink-soft);
}

.hero-row{
  margin-top:44px;
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
}

.btn-primary{
  font-family:var(--mono);
  font-size:14px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  background:var(--signal);
  color:var(--paper);
  padding:16px 26px;
  border-radius:2px;
  text-decoration:none;
  border:1px solid var(--signal);
  transition:background .15s, color .15s;
}
.btn-primary:hover{ background:transparent; color:var(--signal); }

.btn-ghost{
  font-family:var(--mono);
  font-size:14px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  text-decoration:none;
  border-bottom:1px solid var(--ink);
  padding-bottom:2px;
}

.hero-meta{
  margin-top:56px;
  display:grid;
  grid-template-columns:repeat(3,auto);
  gap:clamp(24px,5vw,64px);
  font-family:var(--mono);
  font-size:13px;
  color:var(--ink-soft);
  border-top:1px solid var(--line);
  padding-top:20px;
}
.hero-meta b{
  display:block;
  font-family:var(--display);
  font-size:26px;
  color:var(--ink);
  font-weight:700;
}
@media (max-width:600px){
  .hero-meta{ grid-template-columns:1fr 1fr; }
}

/* ============================================================
   SECTION helpers
   ============================================================ */
section{ position:relative; padding:clamp(56px,9vw,120px) 0; }
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  margin-bottom:clamp(36px,6vw,64px);
  border-bottom:1px solid var(--line);
  padding-bottom:22px;
}
.section-head h2{
  font-family:var(--display);
  font-weight:700;
  font-size:clamp(28px,4vw,44px);
  letter-spacing:-0.01em;
}
.section-num{
  font-family:var(--mono);
  font-size:13px;
  color:var(--ink-soft);
  white-space:nowrap;
}

/* ============================================================
   PHILOSOPHY — index cards
   ============================================================ */
.cards{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
@media (max-width:960px){ .cards{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .cards{ grid-template-columns:1fr; } }

.card{
  background:var(--paper-dim);
  border:1px solid var(--line);
  border-radius:2px;
  padding:26px 22px 28px;
  position:relative;
  transition:transform .2s ease;
}
.card:nth-child(odd){ transform:rotate(-0.6deg); }
.card:nth-child(even){ transform:rotate(0.5deg); }
.card:hover{ transform:rotate(0deg) translateY(-3px); }

.card .pin{
  position:absolute; top:14px; right:16px;
  width:8px; height:8px; border-radius:50%;
  background:var(--signal);
}
.card .num{
  font-family:var(--mono);
  font-size:13px;
  color:var(--ink-soft);
  display:block;
  margin-bottom:14px;
}
.card p{
  font-family:var(--display);
  font-size:19px;
  font-weight:500;
  line-height:1.3;
}
.card p.no{ color:var(--ink-soft); font-weight:400; font-size:16px; margin-top:8px; font-family:var(--body); }

/* ============================================================
   ABOUT / VALUES row
   ============================================================ */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(32px,6vw,80px);
  align-items:start;
}
@media (max-width:820px){ .split{ grid-template-columns:1fr; } }

.split .lead{
  font-family:var(--display);
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;
  font-weight:500;
}
.list-plain{ list-style:none; }
.list-plain li{
  padding:18px 0;
  border-top:1px solid var(--line);
  display:grid;
  grid-template-columns:2em 1fr;
  gap:14px;
}
.list-plain li:last-child{ border-bottom:1px solid var(--line); }
.list-plain span.k{
  font-family:var(--mono);
  color:var(--ink-soft);
  font-size:13px;
  padding-top:3px;
}
.list-plain strong{ font-family:var(--display); font-weight:600; }

/* ============================================================
   PROGRAMS
   ============================================================ */
.programs{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
@media (max-width:820px){ .programs{ grid-template-columns:1fr; } }

.program{
  background:var(--paper);
  padding:34px 28px;
  display:flex;
  flex-direction:column;
  min-height:340px;
}
.program .tag{
  font-family:var(--mono);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.08em;
  color:var(--ink-soft);
}
.program h3{
  font-family:var(--display);
  font-size:26px;
  margin-top:10px;
  font-weight:700;
}
.program p{ margin-top:14px; color:var(--ink-soft); flex-grow:1; }
.program p.objection{
  flex-grow:0;
  margin-top:12px;
  padding:12px 14px;
  border-left:2px solid var(--signal);
  background:var(--paper-dim);
  color:var(--ink);
  font-size:14px;
  line-height:1.5;
}
.program.is-core p.objection{
  border-left-color:var(--marker);
  background:rgba(255,255,255,0.06);
  color:var(--paper);
}
.program .who{
  margin-top:20px;
  font-family:var(--mono);
  font-size:12.5px;
  border-top:1px solid var(--line);
  padding-top:14px;
  color:var(--ink-soft);
}
.program.is-core{ background:var(--ink); color:var(--paper); }
.program.is-core .tag,
.program.is-core p,
.program.is-core .who{ color:var(--core-muted); }
.program.is-core .who{ border-top-color:var(--core-line); }

/* pricing */
.price-note{
  color:var(--ink-soft);
  max-width:60ch;
  margin-bottom:32px;
  font-size:15px;
  border-left:2px solid var(--marker);
  padding-left:14px;
}
.location-note{
  color:var(--ink-soft);
  max-width:60ch;
  margin-top:32px;
  font-size:15px;
  border-left:2px solid var(--marker);
  padding-left:14px;
}
.map-embed{
  margin-top:20px;
  border-radius:8px;
  overflow:hidden;
  border:1px solid var(--line);
  max-width:640px;
}
.map-embed iframe{ display:block; }
.price-grid .program{ min-height:auto; }
.price{
  display:flex;
  align-items:baseline;
  gap:8px;
  margin-top:16px;
}
.price-num{
  font-family:var(--display);
  font-size:30px;
  font-weight:700;
}
.price-cur{
  font-family:var(--mono);
  font-size:13px;
  color:var(--ink-soft);
}
.program.is-core .price-cur{ color:var(--core-muted); }
.price-list{
  list-style:none;
  margin:20px 0 24px;
  flex-grow:1;
}
.price-list li{
  font-size:14.5px;
  color:var(--ink-soft);
  padding:8px 0;
  border-top:1px solid var(--line);
}
.price-list li:first-child{ border-top:none; }
.program.is-core .price-list li{ border-top-color:var(--core-line); color:var(--core-muted2); }
.price-grid .btn-primary,
.price-grid .btn-ghost{ align-self:flex-start; }

/* ============================================================
   PROCESS steps (real sequence → numbering justified)
   ============================================================ */
.steps{ display:flex; flex-direction:column; }
.step{
  display:grid;
  grid-template-columns:80px 1fr;
  gap:24px;
  padding:26px 0;
  border-top:1px solid var(--line);
}
.step:last-child{ border-bottom:1px solid var(--line); }
.step .n{
  font-family:var(--mono);
  font-size:14px;
  color:var(--ink-soft);
  padding-top:4px;
}
.step h4{
  font-family:var(--display);
  font-size:20px;
  font-weight:600;
  margin-bottom:6px;
}
.step p{ color:var(--ink-soft); max-width:60ch; }

/* ============================================================
   APPLY FORM
   ============================================================ */
.apply-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:clamp(28px,5vw,64px);
  margin-bottom:clamp(48px,7vw,88px);
}
@media (max-width:820px){ .apply-grid{ grid-template-columns:1fr; } }

.apply-form{
  background:var(--paper-dim);
  border:1px solid var(--line);
  padding:clamp(24px,4vw,40px);
  display:flex;
  flex-direction:column;
  gap:18px;
}
.apply-form label{
  display:flex;
  flex-direction:column;
  gap:8px;
  font-family:var(--mono);
  font-size:12.5px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--ink-soft);
}
.apply-form input,
.apply-form select,
.apply-form textarea{
  font-family:var(--body);
  font-size:16px;
  color:var(--ink);
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:2px;
  padding:12px 14px;
  text-transform:none;
  letter-spacing:normal;
}
.apply-form input:focus,
.apply-form select:focus,
.apply-form textarea:focus{
  outline:2px solid var(--signal);
  outline-offset:1px;
}
.apply-form textarea{ resize:vertical; }
.apply-form button{ margin-top:6px; cursor:pointer; align-self:flex-start; }
.apply-hint{
  font-family:var(--body);
  font-size:13px;
  color:var(--ink-soft);
  text-transform:none;
  letter-spacing:normal;
  margin-top:-6px;
}
.apply-form.is-sent .apply-hint{ color:var(--signal); font-weight:600; }
.apply-form.is-sent .apply-hint::after{ content:" Готово — заявка отправлена, мы скоро свяжемся."; }
.apply-form.is-error .apply-hint{ color:#c0392b; font-weight:600; }
.apply-form.is-error .apply-hint::after{ content:" Не получилось отправить — попробуйте ещё раз или напишите нам напрямую."; }

.apply-side{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding-top:6px;
}
.apply-side .lead{
  font-family:var(--display);
  font-size:20px;
  font-weight:600;
}
.apply-tg{ align-self:flex-start; }
.apply-note{ color:var(--ink-soft); font-size:14px; }

.contact-list{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:0;
  margin:0;
}
.contact-list li{
  display:flex;
  align-items:baseline;
  gap:10px;
  font-size:15px;
}
.contact-list a{
  color:var(--ink);
  text-decoration:underline;
  text-underline-offset:3px;
}
.contact-k{
  font-family:var(--mono);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--ink-soft);
  min-width:64px;
}

/* toast notification */
.toast{
  position:fixed;
  top:20px;
  left:50%;
  transform:translateX(-50%) translateY(-140%);
  z-index:1000;
  display:flex;
  align-items:center;
  gap:10px;
  background:var(--ink);
  color:var(--paper);
  padding:14px 20px;
  border-radius:10px;
  box-shadow:0 10px 30px rgba(0,0,0,0.25);
  font-size:15px;
  font-weight:500;
  opacity:0;
  transition:transform .35s cubic-bezier(.2,.8,.2,1), opacity .35s ease;
  pointer-events:none;
  max-width:calc(100vw - 32px);
}
.toast.is-visible{
  transform:translateX(-50%) translateY(0);
  opacity:1;
}
.toast-icon{
  display:flex;
  align-items:center;
  justify-content:center;
  width:22px;
  height:22px;
  border-radius:50%;
  background:var(--signal);
  color:var(--paper);
  font-size:13px;
  flex-shrink:0;
}
.toast.is-error .toast-icon{
  background:#c0392b;
}

/* smooth color transitions (kept as a small polish touch) */
body, header, section, footer, .card, .program, .apply-form{
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}


/* ============================================================
   CTA / FOOTER
   ============================================================ */
.cta{
  background:var(--ink);
  color:var(--paper);
  border-radius:2px;
  padding:clamp(40px,7vw,80px) clamp(28px,6vw,64px);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:32px;
  flex-wrap:wrap;
}
.cta h2{
  font-family:var(--display);
  font-size:clamp(26px,3.6vw,42px);
  max-width:16ch;
  font-weight:700;
}
.cta .btn-primary{ background:var(--marker); color:var(--marker-ink); border-color:var(--marker); }
.cta .btn-primary:hover{ background:transparent; color:var(--marker); }

footer{ padding:48px 0 60px; }
.foot-row{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:16px;
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--ink-soft);
  padding-top:24px;
  border-top:1px solid var(--line);
}
.foot-links{ display:flex; gap:20px; }
.foot-links a{ text-decoration:none; }
.foot-links a:hover{ text-decoration:underline; }

/* fade-in on scroll */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.in{ opacity:1; transform:translateY(0); }