/* ============================================================
   Zorro — design tokens
   Палітра: холодний «екранний» папір + ProZorro-бірюза + гірчиця
   ============================================================ */
:root{
  --paper:      #E9EDF1;
  --paper-2:    #DFE5EB;
  --surface:    #FFFFFF;
  --ink:        #0F2233;
  --ink-2:      #40596F;
  --ink-3:      #7C8FA0;
  --line:       #D2DAE2;
  --teal:       #0E9C8F;
  --teal-deep:  #0A6F66;
  --teal-wash:  #E3F3F1;
  --amber:      #E0A62E;
  --clay:       #B75742;

  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;

  --display: 'Unbounded', 'Trebuchet MS', system-ui, sans-serif;
  --body: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Courier New', monospace;

  --pad: clamp(20px, 5vw, 40px);
  --gap-sec: clamp(64px, 9vw, 120px);
}

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

html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

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

.wrap{
  width:min(1180px, 100% - var(--pad)*2);
  margin-inline:auto;
}

.skip{
  position:absolute; left:-9999px;
  background:var(--ink); color:#fff; padding:10px 16px; z-index:99;
}
.skip:focus{ left:12px; top:12px; }

:focus-visible{
  outline:2px solid var(--teal-deep);
  outline-offset:3px;
}

/* ───────────── типографіка ───────────── */
.h2{
  font-family:var(--display);
  font-weight:600;
  font-size:clamp(28px, 4vw, 44px);
  line-height:1.12;
  letter-spacing:-0.02em;
  margin:0 0 12px;
}
.h2--light{ color:#F2F6F8; }

.section__lead{
  font-size:clamp(17px, 2vw, 20px);
  color:var(--ink-2);
  max-width:56ch;
  margin:0 0 clamp(32px, 5vw, 56px);
}
.section__lead--light{ color:#9FB3C4; }

.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--teal-deep);
  margin:0 0 18px;
}

/* ───────────── кнопки ───────────── */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px;
  font-family:var(--body);
  font-weight:600;
  font-size:15px;
  padding:11px 20px;
  border-radius:var(--r-sm);
  text-decoration:none;
  border:1.5px solid transparent;
  transition:background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
  white-space:nowrap;
}
.btn--solid{ background:var(--ink); color:#fff; }
.btn--solid:hover{ background:var(--teal-deep); }
.btn--line{ border-color:var(--ink); color:var(--ink); background:transparent; }
.btn--line:hover{ background:var(--ink); color:#fff; }
.btn--ghost{ color:var(--ink-2); }
.btn--ghost:hover{ color:var(--ink); }
.btn--lg{ font-size:16.5px; padding:14px 26px; }
.btn--full{ width:100%; margin-top:auto; }

/* ───────────── хедер ───────────── */
.topbar{
  position:sticky; top:0; z-index:40;
  background:rgba(233,237,241,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar__inner{
  display:flex; align-items:center; gap:28px;
  height:66px;
}
.brand{
  display:flex; align-items:center; gap:9px;
  text-decoration:none; font-family:var(--display);
  font-weight:800; font-size:19px; letter-spacing:-0.02em;
}
.brand__mark{
  width:30px; height:30px; border-radius:8px;
  background:var(--ink); color:var(--teal);
  display:grid; place-items:center;
  font-size:16px; transform:skewX(-8deg);
}
.topnav{
  display:flex; gap:26px; margin-right:auto;
  font-size:15px;
}
.topnav a{
  text-decoration:none; color:var(--ink-2);
  padding-bottom:2px; border-bottom:1.5px solid transparent;
}
.topnav a:hover{ color:var(--ink); border-bottom-color:var(--teal); }
.topbar__cta{ display:flex; align-items:center; gap:10px; }

.burger{
  display:none;
  width:40px; height:40px; border:1px solid var(--line);
  border-radius:var(--r-sm); background:var(--surface);
  cursor:pointer; padding:0;
}
.burger span{
  display:block; width:16px; height:1.6px; background:var(--ink);
  margin:4px auto;
}

/* ───────────── hero ───────────── */
.hero{ padding:clamp(48px, 8vw, 92px) 0 clamp(40px, 6vw, 72px); }
.hero__grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:clamp(32px, 5vw, 68px);
  align-items:start;
}
.hero__title{
  font-family:var(--display);
  font-weight:800;
  font-size:clamp(34px, 5.4vw, 62px);
  line-height:1.03;
  letter-spacing:-0.035em;
  margin:0 0 22px;
}
.hero__title em{
  font-style:normal;
  color:var(--teal-deep);
  display:block;
}
.hero__lead{
  font-size:clamp(17px, 1.8vw, 19.5px);
  color:var(--ink-2);
  max-width:52ch;
  margin:0 0 30px;
}
.hero__actions{ display:flex; flex-wrap:wrap; gap:12px; margin-bottom:26px; }
.hero__facts{
  list-style:none; margin:0; padding:0;
  display:flex; flex-wrap:wrap; gap:8px 22px;
  font-family:var(--mono); font-size:13px; color:var(--ink-3);
}
.hero__facts li{ position:relative; padding-left:16px; }
.hero__facts li::before{
  content:''; position:absolute; left:0; top:9px;
  width:7px; height:7px; border-radius:50%; background:var(--teal);
}

/* ───────────── SIGNATURE: чат-демо ───────────── */
.demo{ position:relative; }
.demo__phone{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:0 18px 50px -28px rgba(15,34,51,.45);
  overflow:hidden;
}
.demo__head{
  display:flex; align-items:center; gap:11px;
  padding:14px 18px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(var(--surface), #F7F9FB);
}
.demo__head strong{ display:block; font-size:15px; }
.demo__avatar{
  width:34px; height:34px; border-radius:10px;
  background:var(--ink); color:var(--teal);
  display:grid; place-items:center;
  font-family:var(--display); font-weight:800; font-size:16px;
  transform:skewX(-8deg);
}
.demo__status{
  font-family:var(--mono); font-size:11.5px; color:var(--teal-deep);
}
.demo__thread{
  padding:18px;
  display:flex; flex-direction:column; gap:11px;
  min-height:420px;
  justify-content:flex-start;
  background:
    radial-gradient(circle at 1px 1px, rgba(15,34,51,.055) 1px, transparent 0) 0 0/16px 16px;
}
.demo__composer{
  border-top:1px solid var(--line);
  padding:13px 18px;
  font-size:14px; color:var(--ink-3);
  background:#F7F9FB;
  min-height:48px;
}
.demo__composer span::after{
  content:'|'; color:var(--teal); margin-left:1px;
  animation:blink 1s steps(1) infinite;
}
@keyframes blink{ 50%{ opacity:0; } }

.msg{
  max-width:88%;
  padding:10px 14px;
  border-radius:14px;
  font-size:14.5px; line-height:1.5;
  animation:pop .32s ease both;
}
.msg--me{
  align-self:flex-end;
  background:var(--ink); color:#EAF1F5;
  border-bottom-right-radius:4px;
}
.msg--bot{
  align-self:flex-start;
  background:var(--teal-wash);
  border:1px solid #CBE6E2;
  border-bottom-left-radius:4px;
}
@keyframes pop{
  from{ opacity:0; transform:translateY(8px); }
  to{ opacity:1; transform:none; }
}

/* картка тендера в демо */
.tcard{
  display:grid;
  grid-template-columns:52px 1fr;
  gap:12px;
  align-items:start;
  width:100%;
  padding:12px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  animation:pop .32s ease both;
  transition:opacity .25s ease, filter .25s ease;
}
.tcard__score{
  font-family:var(--display); font-weight:800;
  font-size:21px; line-height:1;
  text-align:center;
  padding:9px 0;
  border-radius:9px;
  background:var(--teal-wash);
  color:var(--teal-deep);
}
.tcard[data-band="mid"] .tcard__score{ background:#FBF0D8; color:#8A6410; }
.tcard[data-band="low"] .tcard__score{ background:#F7E3DF; color:var(--clay); }
.tcard__title{ font-size:14px; font-weight:600; line-height:1.35; margin:0 0 4px; }
.tcard__meta{
  font-family:var(--mono); font-size:11.5px; color:var(--ink-3);
  margin:0;
}
.tcard__why{
  font-size:12.5px; color:var(--ink-2);
  margin:7px 0 0; padding-top:7px;
  border-top:1px dashed var(--line);
}
.tcard.is-muted{ opacity:.4; filter:grayscale(1); }
.tcard.is-muted .tcard__why{ display:none; }

/* поріг */
.threshold{
  margin-top:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:14px 18px 16px;
}
.threshold__row{
  display:flex; justify-content:space-between; align-items:baseline;
  font-size:14px; font-weight:600;
}
.threshold__val{
  font-family:var(--display); font-weight:800; font-size:20px;
  color:var(--teal-deep);
}
.threshold__hint{
  margin:8px 0 0;
  font-family:var(--mono); font-size:11.5px; color:var(--ink-3);
}
input[type="range"]{
  width:100%; margin-top:10px;
  accent-color:var(--teal-deep);
}

/* ───────────── смуга з цифрами ───────────── */
.strip{
  background:var(--ink);
  color:#E8EEF3;
  padding:clamp(36px, 5vw, 54px) 0;
}
.strip__grid{ display:grid; gap:26px; }
.strip__lead{
  font-family:var(--display); font-weight:400;
  font-size:clamp(19px, 2.5vw, 27px);
  line-height:1.3; letter-spacing:-0.02em;
  margin:0; max-width:24ch;
}
.strip__cols{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:22px;
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:22px;
}
.strip__num{
  display:block;
  font-family:var(--display); font-weight:600; font-size:clamp(24px,3vw,34px);
  color:var(--amber); letter-spacing:-0.02em;
}
.strip__cap{
  display:block; font-size:14px; color:#9FB3C4; margin-top:4px;
}

/* ───────────── секції ───────────── */
.section{ padding:var(--gap-sec) 0; }
.section--paper{ background:var(--paper-2); }
.section--dark{ background:var(--ink); }

/* картки напрямків */
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));
  gap:16px;
}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 22px 26px;
  position:relative;
  transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 34px -22px rgba(15,34,51,.5);
}
.card h3{
  font-family:var(--display); font-weight:600; font-size:17.5px;
  letter-spacing:-0.02em; margin:0 0 9px; line-height:1.25;
}
.card p{ margin:0; font-size:15px; color:var(--ink-2); }
.card--soon{ background:transparent; border-style:dashed; }
.tag{
  display:inline-block;
  font-family:var(--mono); font-size:10.5px; letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--amber);
  border:1px solid var(--amber);
  border-radius:4px; padding:2px 7px;
  margin-bottom:11px;
}

/* кроки */
.steps{
  list-style:none; margin:0; padding:0;
  display:grid; grid-template-columns:repeat(3, 1fr); gap:0;
  border-top:2px solid var(--ink);
}
.step{
  padding:26px 26px 30px 0;
  border-right:1px solid var(--line);
}
.step:last-child{ border-right:0; }
.step:not(:first-child){ padding-left:26px; }
.step__idx{
  font-family:var(--mono); font-size:11.5px; letter-spacing:.12em;
  text-transform:uppercase; color:var(--teal-deep);
}
.step h3{
  font-family:var(--display); font-weight:600; font-size:19px;
  letter-spacing:-0.02em; margin:10px 0 8px; line-height:1.2;
}
.step p{ margin:0; color:var(--ink-2); font-size:15px; }

/* розбір бала */
.explain{
  display:grid; grid-template-columns:1fr 1fr;
  gap:clamp(28px, 5vw, 64px);
  align-items:center;
}
.explain__text p{ color:var(--ink-2); max-width:48ch; }
.explain__note{
  border-left:3px solid var(--teal);
  padding-left:14px;
  font-size:15px;
}
.breakdown{
  margin:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
}
.breakdown__head{
  display:flex; gap:14px; align-items:center;
  padding:18px;
  border-bottom:1px solid var(--line);
  font-size:14.5px; font-weight:600; line-height:1.35;
}
.breakdown__head small{
  font-family:var(--mono); font-weight:400; font-size:11.5px; color:var(--ink-3);
}
.breakdown__score{
  flex:none;
  width:58px; height:58px; border-radius:12px;
  background:var(--teal-wash); color:var(--teal-deep);
  display:grid; place-items:center;
  font-family:var(--display); font-weight:800; font-size:24px;
}
.breakdown__list{
  list-style:none; margin:0; padding:8px 18px 18px;
  font-size:14.5px;
}
.breakdown__list li{
  display:flex; justify-content:space-between; gap:16px;
  padding:9px 0;
  border-bottom:1px dashed var(--line);
}
.breakdown__list li:last-child{ border-bottom:0; }
.breakdown__list b{ font-family:var(--mono); font-size:13.5px; }
.breakdown__list .ok b{ color:var(--teal-deep); }
.breakdown__list .bad b{ color:var(--clay); }
.breakdown__list .bad span{ color:var(--ink-2); }

/* шари */
.layers{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:16px;
  margin-bottom:34px;
}
.layer{
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);
  padding:24px 22px;
  color:#D8E3EB;
}
.layer__tag{
  font-family:var(--mono); font-size:11px; letter-spacing:.16em;
  text-transform:uppercase; color:var(--amber);
}
.layer h3{
  font-family:var(--display); font-weight:600; font-size:18px;
  color:#F2F6F8; letter-spacing:-0.02em; margin:9px 0 10px;
}
.layer p{ margin:0; font-size:14.5px; color:#9FB3C4; }
.layer__fns{ list-style:none; margin:0; padding:0; }
.layer__fns li{ padding:5px 0; border-bottom:1px dashed rgba(255,255,255,.12); }
.layer__fns li:last-child{ border-bottom:0; }
.layer__fns code{
  font-family:var(--mono); font-size:13px; color:var(--teal);
}
.cycle{
  display:flex; flex-wrap:wrap; align-items:center; gap:10px;
  font-family:var(--mono); font-size:12.5px; color:#9FB3C4;
}
.cycle span{
  border:1px solid rgba(255,255,255,.16);
  border-radius:100px; padding:7px 15px;
}
.cycle span:not(:last-child)::after{
  content:'→'; margin-left:12px; color:var(--amber);
}

/* тарифи */
.plans{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:16px;
  align-items:stretch;
}
.plan{
  display:flex; flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px 26px;
  position:relative;
}
.plan--pick{
  border:1.5px solid var(--ink);
  box-shadow:0 20px 46px -30px rgba(15,34,51,.6);
}
.plan__badge{
  position:absolute; top:-11px; left:24px;
  background:var(--amber); color:#3A2A00;
  font-family:var(--mono); font-size:11px; letter-spacing:.06em;
  padding:3px 10px; border-radius:4px;
}
.plan__name{
  font-family:var(--display); font-weight:600; font-size:19px;
  letter-spacing:-0.02em; margin:0 0 6px;
}
.plan__price{
  font-family:var(--display); font-weight:800;
  font-size:34px; letter-spacing:-0.03em;
  margin:0 0 4px;
}
.plan__price span{
  font-family:var(--body); font-weight:500; font-size:15px; color:var(--ink-3);
}
.plan__for{ margin:0 0 18px; font-size:14px; color:var(--ink-3); }
.plan ul{
  list-style:none; margin:0 0 24px; padding:0;
  font-size:14.5px; color:var(--ink-2);
}
.plan ul li{ padding:7px 0 7px 22px; position:relative; }
.plan ul li::before{
  content:'✓'; position:absolute; left:0; color:var(--teal-deep); font-weight:600;
}

/* FAQ */
.faq{ max-width:820px; }
.qa{
  border-top:1px solid var(--line);
  padding:4px 0;
}
.qa:last-of-type{ border-bottom:1px solid var(--line); }
.qa summary{
  cursor:pointer;
  list-style:none;
  padding:18px 34px 18px 0;
  font-weight:600; font-size:16.5px;
  position:relative;
}
.qa summary::-webkit-details-marker{ display:none; }
.qa summary::after{
  content:'+';
  position:absolute; right:4px; top:50%; transform:translateY(-50%);
  font-family:var(--mono); font-size:20px; color:var(--teal-deep);
}
.qa[open] summary::after{ content:'–'; }
.qa p{
  margin:0 0 18px; color:var(--ink-2); max-width:70ch; font-size:15.5px;
}

/* фінальний CTA */
.final{
  background:var(--teal-deep);
  color:#EAF6F4;
  padding:clamp(56px, 8vw, 92px) 0;
}
.final__inner{ text-align:center; }
.final h2{
  font-family:var(--display); font-weight:600;
  font-size:clamp(24px, 3.6vw, 40px);
  line-height:1.18; letter-spacing:-0.025em;
  margin:0 0 26px;
}
.final .btn--solid{ background:#fff; color:var(--ink); }
.final .btn--solid:hover{ background:var(--amber); }
.final__note{
  font-family:var(--mono); font-size:12.5px;
  color:#A9D6D0; margin:18px 0 0;
}

/* футер */
.foot{
  background:var(--ink); color:#9FB3C4;
  padding:clamp(44px, 6vw, 66px) 0 26px;
  font-size:14.5px;
}
.foot__grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:28px;
}
.foot h4{
  font-family:var(--mono); font-size:11.5px; letter-spacing:.14em;
  text-transform:uppercase; color:var(--amber);
  margin:0 0 14px; font-weight:500;
}
.foot nav a, .foot__grid a:not(.brand){
  display:block; text-decoration:none; padding:4px 0; color:#C4D2DD;
}
.foot nav a:hover, .foot__grid a:not(.brand):hover{ color:#fff; }
.brand--foot{ color:#F2F6F8; margin-bottom:12px; }
.brand--foot .brand__mark{ background:var(--teal); color:var(--ink); }
.foot__about{ margin:0; max-width:32ch; }
.foot__legal{
  margin:14px 0 0; font-family:var(--mono); font-size:11.5px; color:#6C8296;
  line-height:1.7;
}
.foot__bottom{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  margin-top:38px; padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  font-family:var(--mono); font-size:11.5px; color:#6C8296;
}

/* ───────────── адаптив ───────────── */
@media (max-width: 960px){
  .hero__grid{ grid-template-columns:1fr; }
  .explain{ grid-template-columns:1fr; }
  .layers, .plans{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .step{ border-right:0; border-bottom:1px solid var(--line); padding:22px 0 24px; }
  .step:not(:first-child){ padding-left:0; }
  .step:last-child{ border-bottom:0; }
  .foot__grid{ grid-template-columns:1fr 1fr; }
}

@media (max-width: 760px){
  .topnav{ display:none; }
  .topbar__cta .btn--ghost{ display:none; }
  .topbar__inner{ gap:14px; }
  .topbar__cta{ margin-left:auto; }
  .burger{ display:none; }
  .strip__cols{ grid-template-columns:1fr; gap:16px; }
  .foot__grid{ grid-template-columns:1fr; }
  body{ font-size:16px; }
}

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