/* Лендинг LTKEXPERT. Основа — прототип landing/index.html, дополнено формой заявки. */
:root{
  --ink:#0F172A;
  --slate:#64748B;
  --line:#E2E8F0;
  --bg:#FFFFFF;
  --soft:#F8FAFC;
  --rose:#F43F5E;
  --orange:#FB923C;
  --grad:linear-gradient(90deg,#F43F5E,#FB923C);
  --grad-soft:linear-gradient(135deg,rgba(244,63,94,.08),rgba(251,146,60,.08));
  --r:18px;
  --shadow:0 1px 2px rgba(15,23,42,.05),0 12px 32px -16px rgba(15,23,42,.18);
  --shadow-lg:0 24px 64px -24px rgba(15,23,42,.28);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--theme-font,"Geologica","Ubuntu",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif);
  color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;
}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.wrap{width:min(1160px,100%);margin:0 auto;padding:0 20px}
section{scroll-margin-top:84px}

/* ---------- кнопки ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:50px;padding:13px 28px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15px;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease;
}
.btn--grad{background:var(--grad);color:#fff;box-shadow:0 10px 26px -12px rgba(244,63,94,.55)}
.btn--grad:hover{transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(244,63,94,.6)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{transform:translateY(-2px);box-shadow:var(--shadow)}

/* ---------- шапка ---------- */
.header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.header .wrap{display:flex;align-items:center;gap:20px;min-height:70px}
.logo{display:flex;align-items:center;gap:12px}
.logo__name{font-size:19px;letter-spacing:.5px}
.logo__name b{font-weight:800}
.nav{margin-left:auto;display:flex;gap:4px}
.nav a{padding:8px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--slate)}
.nav a:hover{background:var(--soft);color:var(--ink)}
.header__cta{margin-left:8px}
.header__cta .btn{min-height:42px;padding:10px 20px;font-size:14px}
@media(max-width:860px){.nav{display:none}}

/* ---------- hero ---------- */
.hero{
  background:
    radial-gradient(900px 420px at 85% -10%,rgba(251,146,60,.14),transparent 60%),
    radial-gradient(700px 380px at -5% 10%,rgba(244,63,94,.10),transparent 60%),
    var(--soft);
  border-bottom:1px solid var(--line);
}
.hero .wrap{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,60px);
  align-items:center;padding:clamp(48px,7vw,90px) 20px;
}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:7px 16px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;font-weight:600;color:var(--slate);
  box-shadow:var(--shadow);margin-bottom:20px;
}
.hero__badge i{width:8px;height:8px;border-radius:50%;background:var(--grad)}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.1;letter-spacing:-.02em;margin-bottom:18px}
.hero h1 span{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lead{color:var(--slate);font-size:clamp(1rem,1.3vw,1.15rem);max-width:52ch;margin-bottom:28px}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
.hero__facts{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.hero__facts li{
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;
  font-size:13.5px;font-weight:600;color:var(--slate);box-shadow:var(--shadow);
}
/* пульс-панель */
.pulse-card{
  background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-lg);
  padding:26px 26px 20px;position:relative;overflow:hidden;
}
.pulse-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--grad);
}
.pulse-card__title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--slate);margin-bottom:14px}
.pulse-line{width:100%;height:auto}
.pulse-line polyline{
  stroke-dasharray:640;stroke-dashoffset:640;
  animation:pulse 3.2s ease-in-out infinite;
}
@keyframes pulse{
  0%{stroke-dashoffset:640}
  55%{stroke-dashoffset:0}
  100%{stroke-dashoffset:0}
}
.pulse-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.pulse-stat{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.pulse-stat b{display:block;font-size:20px}
.pulse-stat span{font-size:12.5px;color:var(--slate)}
@media(max-width:920px){.hero .wrap{grid-template-columns:1fr}}

/* ---------- секции ---------- */
.section{padding:clamp(48px,7vw,88px) 0}
.section--alt{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kicker{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px;
}
.h2{font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.15;letter-spacing:-.02em;margin-bottom:12px}
.lead{color:var(--slate);max-width:64ch;margin-bottom:32px}

/* ---------- демо ---------- */
.demo-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.demo-tab{
  padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:700;color:var(--slate);cursor:pointer;transition:all .15s ease;
}
.demo-tab:hover{border-color:#FDA4AF;color:var(--rose)}
.demo-tab.is-active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 20px -10px rgba(244,63,94,.55)}
.demo-frame{
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:var(--shadow-lg);
}
.demo-frame__bar{
  display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--soft);border-bottom:1px solid var(--line);
}
.demo-frame__bar i{width:11px;height:11px;border-radius:50%;background:#E2E8F0}
.demo-frame__bar i:nth-child(1){background:#FDA4AF}
.demo-frame__bar i:nth-child(2){background:#FCD34D}
.demo-frame__bar i:nth-child(3){background:#86EFAC}
.demo-frame__url{
  margin-left:10px;font-size:12.5px;color:var(--slate);background:#fff;border:1px solid var(--line);
  border-radius:8px;padding:4px 12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60%;
}
.demo-frame iframe{width:100%;height:640px;border:0;display:block}
.demo-note{margin-top:14px;font-size:14px;color:var(--slate)}
.demo-note a{color:var(--rose);font-weight:700}
@media(max-width:700px){.demo-frame iframe{height:520px}}

/* ---------- возможности ---------- */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.feature{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;
  transition:transform .15s ease,box-shadow .2s ease;
}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.feature__icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
  background:var(--grad-soft);border:1px solid rgba(244,63,94,.15);
}
.feature h3{font-size:16.5px;margin-bottom:6px}
.feature p{font-size:14px;color:var(--slate);margin:0}

/* ---------- тарифы ---------- */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;align-items:stretch}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;display:flex;flex-direction:column;
  transition:transform .15s ease,box-shadow .2s ease;
}
.plan:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.plan--hot{border:2px solid transparent;background:
  linear-gradient(#fff,#fff) padding-box,
  var(--grad) border-box;box-shadow:var(--shadow-lg)}
.plan__tag{
  align-self:flex-start;font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  background:var(--grad);color:#fff;border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.plan h3{font-size:19px;margin-bottom:4px}
.plan__price{font-size:34px;font-weight:800;letter-spacing:-.02em;margin:10px 0 2px}
.plan__price small{font-size:14px;font-weight:600;color:var(--slate)}
.plan__per{font-size:13px;color:var(--slate);margin-bottom:18px}
.plan ul{list-style:none;margin:0 0 22px;display:grid;gap:9px;flex:1}
.plan li{position:relative;padding-left:26px;font-size:14.5px;color:var(--ink)}
.plan li::before{
  content:"";position:absolute;left:0;top:5px;width:16px;height:16px;border-radius:50%;
  background:var(--grad-soft) ;
  border:1px solid rgba(244,63,94,.3);
}
.plan li::after{
  content:"";position:absolute;left:5px;top:9px;width:6px;height:4px;
  border-left:2px solid var(--rose);border-bottom:2px solid var(--rose);transform:rotate(-45deg);
}

/* ---------- шаги ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;counter-reset:step}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;position:relative;
}
.step__num{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:800;margin-bottom:14px;
  box-shadow:0 8px 18px -8px rgba(244,63,94,.6);
}
.step h3{font-size:16.5px;margin-bottom:6px}
.step p{font-size:14px;color:var(--slate);margin:0}

/* ---------- CTA ---------- */
.cta{
  background:var(--ink);color:#fff;border-radius:26px;padding:clamp(32px,5vw,56px);
  display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;position:relative;overflow:hidden;
}
.cta::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(251,146,60,.35),transparent 70%);
}
.cta h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:10px}
.cta p{color:#94A3B8;margin:0}
.cta__actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;position:relative;z-index:1}
.cta .btn--ghost{background:transparent;color:#fff;border-color:#334155}
@media(max-width:820px){.cta{grid-template-columns:1fr}.cta__actions{justify-content:flex-start}}

/* ---------- подвал ---------- */
.footer{border-top:1px solid var(--line);padding:36px 0;margin-top:0;color:var(--slate);font-size:14px}
.footer .wrap{display:flex;gap:20px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.footer a:hover{color:var(--ink)}


/* ---------- форма заявки ---------- */
.order{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,3vw,44px);align-items:start}
.order__card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--shadow-lg)}
.order__row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:15px;color:var(--ink);background:#fff;
  border:1px solid var(--line);border-radius:12px;padding:12px 14px;transition:border-color .15s ease,box-shadow .15s ease;
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--rose);box-shadow:0 0 0 3px rgba(244,63,94,.12)
}
.field--error input,.field--error select{border-color:var(--rose);background:#FFF5F6}
.field small{display:block;margin-top:6px;font-size:12.5px;color:var(--slate)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--slate);margin:6px 0 16px}
.consent input{width:18px;height:18px;margin-top:2px;flex:0 0 18px;accent-color:var(--rose)}
.order__submit{width:100%}
.order__msg{margin-top:14px;font-size:14px;display:none}
.order__msg.is-error{display:block;color:#B42318}
.order__msg.is-ok{display:block;color:#067647}
.order__success{background:#ECFDF3;border:1px solid #ABEFC6;border-radius:18px;padding:22px;display:none}
.order__success.is-visible{display:block}
.order__success h3{font-size:18px;margin-bottom:8px}
.order__success p{color:#054F31;font-size:14.5px;margin:0}
.order__hint{list-style:none;display:grid;gap:12px;margin:22px 0 0}
.order__hint li{position:relative;padding-left:30px;font-size:14.5px;color:var(--slate)}
.order__hint li::before{
  content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;
  background:var(--grad-soft);border:1px solid rgba(244,63,94,.3)
}
.order__hint li::after{
  content:"";position:absolute;left:6px;top:8px;width:6px;height:4px;
  border-left:2px solid var(--rose);border-bottom:2px solid var(--rose);transform:rotate(-45deg)
}
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:24px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px}
.contact-card b{display:block;font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--slate);margin-bottom:6px}
.contact-card a,.contact-card span{font-size:15.5px;font-weight:600;color:var(--ink);word-break:break-word}
.contact-card a:hover{color:var(--rose)}
.plan__note{font-size:13px;color:var(--slate);margin:-6px 0 14px}
.plan__price--text{font-size:26px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:3px solid var(--rose);outline-offset:2px}
@media(prefers-reduced-motion:reduce){*{animation-duration:.001ms !important;transition-duration:.001ms !important}}
@media(max-width:920px){.order{grid-template-columns:1fr}.order__row{grid-template-columns:1fr}}

/* ---------- демо кабинета записей ---------- */
.demo-frame--tall iframe{height:min(78vh,760px);min-height:560px}
.booking-demo__row{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;margin-top:22px;align-items:start}
.booking-demo__points{list-style:none;display:grid;gap:12px}
.booking-demo__points li{position:relative;padding-left:30px;font-size:15px;color:var(--ink)}
.booking-demo__points li::before{
  content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;
  background:var(--grad-soft);border:1px solid rgba(244,63,94,.3)
}
.booking-demo__points li::after{
  content:"";position:absolute;left:6px;top:7px;width:6px;height:4px;
  border-left:2px solid var(--rose);border-bottom:2px solid var(--rose);transform:rotate(-45deg)
}
.booking-demo__cta{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;
  display:grid;gap:12px;box-shadow:var(--shadow)}
.booking-demo__cta .btn{width:100%}
@media(max-width:920px){.booking-demo__row{grid-template-columns:1fr}.demo-frame--tall iframe{height:70vh}}

/* ---------- мягкое выделение тарифа и уведомления ---------- */
.plan--soft{border-color:rgba(244,63,94,.35);background:linear-gradient(180deg,rgba(244,63,94,.04),#fff)}
.plan--soft .plan__tag{background:#fff;border:1px solid rgba(244,63,94,.35);color:var(--rose)}
.notify-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin-top:22px}
.notify-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}
.notify-card h3{font-size:17px;margin-bottom:12px}
.notify-card ul{list-style:none;display:grid;gap:10px}
.notify-card li{position:relative;padding-left:26px;font-size:14.5px;color:var(--ink)}
.notify-card li::before{
  content:"";position:absolute;left:0;top:6px;width:8px;height:8px;border-radius:50%;background:var(--grad)
}

/* «не входит в тариф» — серый прочерк вместо галочки */
.plan li.plan__item--off{color:var(--slate)}
.plan li.plan__item--off::before{background:#F1F3F6;border-color:#DCE2E8}
.plan li.plan__item--off::after{
  content:"";left:4px;top:12px;width:8px;height:2px;border:0;border-radius:2px;
  background:#9AA4AE;transform:none
}