/* ===== Vuzol — токени (фіксована світла тема; фони блоків навмисно чергуються нижче) ===== */
:root{
  --bg:#eef1f7;
  --bg-soft:#f5f3ee;
  --white:#ffffff;
  --ink:#12151c;
  --ink-soft:#4a5063;
  --line:rgba(18,21,28,.12);
  --brand:#2450ff;
  --brand-ink:#0f2fb0;
  --accent:#ffc933;
  --card:#ffffff;
  --dark-bg:#0f1320;
  --dark-card:#171c2c;
  --dark-line:rgba(255,255,255,.1);
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 1px 2px rgba(18,21,28,.04), 0 8px 24px rgba(18,21,28,.06);
  --font-display:"Geologica", "Onest", sans-serif;
  --font-body:"Onest", sans-serif;
  --maxw:1140px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--font-display);color:var(--ink);margin:0;letter-spacing:-0.01em}
p{margin:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.rail{padding:96px 24px;position:relative}
@media (max-width:720px){ .rail{padding:64px 20px} }

/* Заголовки секцій: центровані, як окремий типографічний акцент */
.section-head{max-width:620px;margin:0 auto 48px;text-align:center}
.section-head h2{font-size:clamp(30px,3.8vw,40px);margin-bottom:14px}
.section-head p{color:var(--ink-soft);font-size:17px}

/* ===== Band backgrounds — свідоме чергування кольору по блоках ===== */
.band-white{background:var(--white)}
.band-soft{background:var(--bg-soft)}
.band-dark{
  background:
    radial-gradient(ellipse 900px 500px at 85% -10%, rgba(95,120,255,.28), transparent 60%),
    var(--dark-bg);
  color:#f3f4fa;
  position:relative;
  overflow:hidden;
}
.band-dark .section-head h2{color:#f3f4fa}
.band-dark .section-head p{color:#a7adc0}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:40;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.bar{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--font-display);font-weight:700;font-size:19px}
.nav{display:flex;align-items:center;gap:26px}
.nav a:not(.btn){color:var(--ink-soft);font-size:15px;font-weight:500;transition:color .15s}
.nav a:not(.btn):hover{color:var(--ink)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 14px;font-family:var(--font-body);font-size:14px;color:var(--ink)}

@media (max-width:900px){
  .menu-btn{display:inline-flex}
  .nav{
    position:absolute;top:100%;left:0;right:0;
    background:var(--bg);
    border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;
    padding:8px 20px 20px;
    gap:14px;
    display:none;
  }
  .nav.open{display:flex}
  .nav a.btn{align-self:flex-start}
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 24px;border-radius:999px;
  font-weight:600;font-size:15.5px;
  border:1px solid transparent;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-ink)}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-accent{background:var(--accent);color:#1a1500;box-shadow:0 6px 18px rgba(255,201,51,.35)}
.btn-accent:hover{background:#f0b91f}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:16px 30px;font-size:16.5px}
.btn-mini{
  background:none;border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;font-size:13px;color:var(--ink-soft);cursor:pointer;
  font-family:var(--font-body);flex:none;
}
.btn-mini:hover{border-color:var(--brand);color:var(--brand)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 16px}

/* ===== Hero ===== */
.hero{padding:64px 24px 40px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
@media (max-width:980px){ .hero-grid{grid-template-columns:1fr;gap:44px} }

.hero-copy h1{font-size:clamp(34px,5vw,56px);line-height:1.06}
.hero-copy .lead{margin-top:20px;font-size:19px;color:var(--ink-soft);max-width:480px}
.hero-note{font-size:14px;color:var(--ink-soft);max-width:440px}

/* --- automation demo card --- */
.demo{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:22px;
  position:relative;
  overflow:hidden;
}
.demo-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:20px}
.demo-kicker{font-size:12.5px;color:var(--brand-ink);font-weight:600;margin-bottom:4px}
.demo-heading{font-size:15.5px;font-weight:600;color:var(--ink);max-width:290px;line-height:1.4}

.nodes{display:flex;flex-direction:column}
.node{
  display:flex;align-items:center;gap:12px;
  padding:13px 14px;border-radius:12px;
  background:var(--bg-soft);
  border:1px solid transparent;
  opacity:.35;
  transform:translateX(-6px);
  transition:opacity .5s ease, transform .5s ease, border-color .5s ease, background .5s ease;
}
.node.active{
  opacity:1;transform:translateX(0);
  border-color:var(--brand);
  background:color-mix(in srgb, var(--brand) 6%, var(--bg-soft));
}
.node-time{
  flex:none;font-size:11.5px;font-weight:600;color:var(--ink-soft);
  background:var(--line);border-radius:999px;padding:3px 9px;
}
.node.active .node-time{color:var(--brand-ink);background:color-mix(in srgb, var(--brand) 16%, transparent)}
.node .badge{
  flex:none;width:34px;height:34px;border-radius:10px;
  background:var(--dark-bg);color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.node .badge svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.node.active .badge{background:var(--brand)}
.node-name{font-size:14.5px;font-weight:600}
.node-sub{font-size:13px;color:var(--ink-soft);margin-top:2px}
.node .state{margin-left:auto;flex:none;width:9px;height:9px;border-radius:50%;background:var(--line)}
.node.active .state{background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 25%, transparent)}

.wire{width:1px;height:16px;background:var(--line);margin-left:31px}

.bubble{
  margin-top:18px;display:flex;gap:10px;
  padding:14px;border-radius:12px;
  background:var(--dark-bg);color:#e7e9f2;
  opacity:0;transform:translateY(8px);
  transition:opacity .5s ease, transform .5s ease;
}
.bubble.show{opacity:1;transform:translateY(0)}
.avatar{flex:none;width:26px;height:26px;border-radius:50%;background:var(--brand);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}
.bubble-from{font-size:12px;color:#9aa3c4;margin-bottom:3px;font-weight:600}
.bubble p{font-size:13.5px;line-height:1.5}

.demo-foot{
  margin-top:16px;display:flex;gap:8px;align-items:flex-start;
  font-size:13px;color:var(--ink-soft);line-height:1.5;
}
.demo-foot svg{flex:none;width:15px;height:15px;margin-top:2px;fill:none;stroke:#1a9c5c;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

@media (prefers-reduced-motion: reduce){
  .node,.bubble{transition:none}
}

/* ===== Knot illustration (problems band) ===== */
.knot-art{margin:0 0 28px;display:flex;justify-content:center;color:#fff}
.knot-art svg{width:100%;max-width:520px;height:auto}

/* ===== Personas (Кому потрібна автоматизація) ===== */
.personas{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:1040px){ .personas{grid-template-columns:repeat(2,1fr)} }
@media (max-width:560px){ .personas{grid-template-columns:1fr} }
.persona{
  background:var(--dark-card);border:1px solid var(--dark-line);border-radius:var(--radius);
  padding:22px;
}
.persona .badge{
  width:36px;height:36px;border-radius:10px;margin-bottom:14px;
  background:rgba(95,120,255,.18);
  display:flex;align-items:center;justify-content:center;
}
.persona .badge svg{width:18px;height:18px;fill:none;stroke:#89a4ff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.persona h3{font-size:16px;color:#f3f4fa;margin-bottom:8px}
.persona p{color:#a7adc0;font-size:14px}

/* ===== Services ===== */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){ .services{grid-template-columns:repeat(2,1fr)} }
@media (max-width:600px){ .services{grid-template-columns:1fr} }
.svc{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;
}
.svc header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.svc .badge{
  flex:none;width:36px;height:36px;border-radius:10px;
  background:color-mix(in srgb, var(--brand) 12%, transparent);
  display:flex;align-items:center;justify-content:center;
}
.svc .badge svg{width:18px;height:18px;fill:none;stroke:var(--brand-ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.svc h3{font-size:17px}
.svc p{color:var(--ink-soft);font-size:14.5px}

/* ===== Cases ===== */
.cases{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media (max-width:820px){ .cases{grid-template-columns:1fr} }
.case{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;
}
.case-img{
  width:100%;aspect-ratio:1/1;object-fit:cover;
  background:var(--dark-bg);
  display:block;
}
.case-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.case-tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand-ink);
  background:color-mix(in srgb, var(--brand) 10%, transparent);
  padding:4px 10px;border-radius:999px;width:fit-content;
}
.case h3{font-size:18px}
.case dl{display:flex;flex-direction:column;gap:10px;margin:0}
.case dt{font-size:12.5px;color:var(--ink-soft);font-weight:600}
.case dd{margin:2px 0 0;font-size:14.5px}
.case-empty .case-body{align-items:center;justify-content:center;text-align:center;min-height:220px}
.case-empty{border-style:dashed}
.case-empty p{color:var(--ink-soft);font-size:14.5px}

/* ===== Pricing (dark band) ===== */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){ .plans{grid-template-columns:1fr} }
.plan{
  background:var(--dark-card);border:1px solid var(--dark-line);border-radius:var(--radius);
  padding:26px;
}
.plan h3{color:#f3f4fa;font-size:18px}
.price{font-family:var(--font-display);font-size:30px;margin:10px 0 2px;color:#fff}
.plan-for{color:#a7adc0;font-size:13.5px;margin-bottom:16px}
.plan ul{display:flex;flex-direction:column;gap:9px}
.plan li{font-size:14px;color:#d3d6e6;padding-left:18px;position:relative}
.plan li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.plans-note{margin-top:24px;color:#a7adc0;font-size:13.5px;text-align:center}

/* ===== Stack (network illustration) ===== */
.stack-art{margin:0 0 20px;display:flex;justify-content:center}
.stack-art svg{width:100%;max-width:420px;height:auto}
.chips{position:relative;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.chips li{
  border:1px solid var(--line);border-radius:999px;
  padding:9px 18px;font-size:14px;font-weight:500;color:var(--ink-soft);
  background:var(--white);
}

/* ===== Process steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:900px){ .steps{grid-template-columns:1fr 1fr} }
@media (max-width:560px){ .steps{grid-template-columns:1fr} }
.steps li{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;text-align:left;
}
.step-n{
  display:flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;
  background:var(--brand);color:#fff;font-weight:700;font-size:14px;
  margin-bottom:16px;font-family:var(--font-display);
}
.steps h3{font-size:16px;margin-bottom:8px}
.steps p{color:var(--ink-soft);font-size:14px}

/* ===== FAQ ===== */
.faq{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.faq details{background:var(--white);padding:4px 24px}
.faq summary{
  padding:18px 0;cursor:pointer;font-weight:600;font-size:15.5px;
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;color:var(--ink-soft);flex:none;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding-bottom:18px;color:var(--ink-soft);font-size:14.5px;max-width:640px;text-align:left}

/* ===== Contact ===== */
.contact-wrap{position:relative}
.plane-art{position:absolute;top:10px;right:0;width:150px;height:150px;opacity:.5;pointer-events:none}
@media (max-width:820px){ .plane-art{display:none} }
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start;text-align:left}
@media (max-width:820px){ .contact-grid{grid-template-columns:1fr} }
.contact-links{display:flex;flex-direction:column;gap:14px;padding-top:4px}
.contact-links p{color:#a7adc0;font-size:15px}
.contact-links a[data-mail],
.contact-links a[data-phone]{
  color:#fff;font-size:20px;font-weight:700;
  font-family:var(--font-display);letter-spacing:-0.01em;
}
.contact-links a[data-mail]:hover,
.contact-links a[data-phone]:hover{color:var(--accent)}

.form{
  background:var(--dark-card);border:1px solid var(--dark-line);border-radius:var(--radius-lg);
  padding:28px;display:flex;flex-direction:column;gap:6px;
}
.form label{font-size:13.5px;font-weight:600;margin-top:12px;color:#f3f4fa}
.form label .opt{font-weight:400;color:#a7adc0}
.form input[type=text],.form textarea{
  font-family:var(--font-body);font-size:15px;
  padding:11px 13px;border-radius:10px;
  border:1px solid var(--dark-line);background:var(--dark-bg);color:#f3f4fa;
  margin-top:6px;resize:vertical;
}
.form input:focus,.form textarea:focus{border-color:var(--brand)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.check{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;font-weight:400;color:#a7adc0;margin-top:16px}
.check input{margin-top:3px}
.check a{color:#89a4ff;font-weight:600}
.form .btn{margin-top:18px}
.form-status{min-height:20px;font-size:13.5px;margin-top:4px}
.form-status[data-state="ok"]{color:#3ddc84}
.form-status[data-state="err"]{color:#ff7a7a}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--line);padding:26px 24px}
.foot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.foot p{color:var(--ink-soft);font-size:13.5px}
.foot-links{display:flex;gap:18px}
.foot-links a:hover{color:var(--brand)}

/* ===== Scroll reveal ===== */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .6s cubic-bezier(.16,.8,.24,1), transform .6s cubic-bezier(.16,.8,.24,1);
}
.reveal.in-view{opacity:1;transform:translateY(0)}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
}