@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

/* ---------- Design tokens (from the Vadim design system, dark theme) ---------- */
:root{
  --hue-brand:328;

  --neutral-50:oklch(98% .004 var(--hue-brand));
  --neutral-100:oklch(95.5% .006 var(--hue-brand));
  --neutral-300:oklch(82% .01 var(--hue-brand));
  --neutral-700:oklch(33% .011 var(--hue-brand));
  --neutral-800:oklch(23% .01 var(--hue-brand));
  --neutral-900:oklch(15.5% .008 var(--hue-brand));
  --neutral-950:oklch(10% .006 var(--hue-brand));
  --neutral-1000:oklch(6% .004 var(--hue-brand));

  --brand-50:oklch(97% .02 var(--hue-brand));
  --brand-300:oklch(76% .13 var(--hue-brand));
  --brand-400:oklch(66% .19 var(--hue-brand));
  --brand-500:oklch(58% .225 var(--hue-brand));
  --brand-800:oklch(34% .15 var(--hue-brand));

  --bg-page:var(--neutral-950);
  --bg-surface:var(--neutral-900);
  --bg-sunken:var(--neutral-1000);
  --bg-inverse:var(--neutral-50);
  --border-subtle:var(--neutral-800);
  --border-strong:var(--neutral-300);
  --text-primary:var(--neutral-50);
  --text-secondary:var(--neutral-400, oklch(68% .012 var(--hue-brand)));
  --text-tertiary:var(--neutral-600, oklch(43% .012 var(--hue-brand)));
  --text-on-brand:var(--neutral-950);
  --text-on-inverse:var(--neutral-950);
  --accent:var(--brand-400);
  --accent-strong:var(--brand-300);
  --accent-subtle:oklch(24% .06 var(--hue-brand));

  --font-sans:'Manrope',ui-sans-serif,system-ui,-apple-system,sans-serif;

  --text-label-size:11px;--text-label-weight:800;--text-label-tracking:0.08em;

  --radius-xs:2px;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;
  --radius-pill:999px;

  --shadow-md:0 4px 16px oklch(0% 0 0 / 0.5),0 1px 2px oklch(0% 0 0 / 0.4);
  --shadow-lg:0 16px 40px oklch(0% 0 0 / 0.6),0 2px 6px oklch(0% 0 0 / 0.4);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--text-primary);
  font-family:var(--font-sans);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--accent)}
a:hover{color:var(--accent-strong)}
::-webkit-scrollbar{height:0;width:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.wrap{max-width:1180px;margin:0 auto;padding-left:clamp(20px,4vw,64px);padding-right:clamp(20px,4vw,64px)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  font-family:var(--font-sans);font-size:15px;font-weight:700;
  border-radius:var(--radius-sm);cursor:pointer;text-decoration:none;
  border:1.5px solid transparent;
  transition:background-color .12s ease, transform .08s ease, border-color .12s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn:active{transform:scale(0.97)}
.btn-primary{background:var(--accent);color:var(--text-on-brand)}
.btn-primary:hover{background:var(--accent-strong);color:var(--text-on-brand)}
.btn-outline{background:transparent;color:var(--text-primary);border-color:var(--border-strong)}
.btn-outline:hover{color:var(--text-primary);border-color:var(--text-primary)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-full{width:100%}

/* ---------- Tag ---------- */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:var(--radius-pill);font-size:12px;font-weight:700;
  background:var(--accent-subtle);color:var(--accent-strong);
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px clamp(20px,4vw,64px);
  background:color-mix(in oklch, var(--bg-page) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1.5px solid var(--border-subtle);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{width:32px;height:32px;border-radius:8px}
.brand-name{font-size:17px;font-weight:800;color:var(--text-primary)}
.nav-links{display:flex;align-items:center;gap:32px;position:absolute;left:50%;transform:translateX(-50%)}
.nav-links a{font-size:14px;font-weight:600;text-decoration:none;color:var(--text-secondary)}
.nav-links a:hover{color:var(--text-primary)}
@media (max-width:759px){
  .nav-links{display:none}
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:clamp(64px,10vw,120px) clamp(20px,4vw,64px) clamp(48px,8vw,96px);overflow:hidden}
.hero-glow{
  position:absolute;width:900px;height:900px;border-radius:50%;
  top:-380px;left:50%;transform:translate(-50%,0);
  background:radial-gradient(circle, oklch(45% .2 328 / 0.55), transparent 70%);
  filter:blur(120px);pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;max-width:1180px;margin:0 auto;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,0.95fr);
  gap:clamp(32px,6vw,64px);align-items:center;
}
@media (max-width:759px){
  .hero-inner{grid-template-columns:1fr}
}
.hero h1{
  margin:20px 0 20px;font-size:clamp(36px,5.5vw,60px);line-height:1.06;
  font-weight:800;letter-spacing:-0.01em;color:var(--text-primary);
}
.hero p{
  margin:0 0 32px;font-size:clamp(16px,1.6vw,19px);line-height:1.55;
  font-weight:500;color:var(--text-secondary);max-width:560px;
}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px}

.hero-phones{position:relative;display:flex;justify-content:center}
.phone-side{
  position:absolute;width:clamp(160px,20vw,220px);top:60px;
  border-radius:32px;background:#050505;padding:10px;
  box-shadow:var(--shadow-lg);opacity:.7;z-index:1;
}
.phone-side img{border-radius:24px}
.phone-side.left{left:0;transform:rotate(-9deg)}
.phone-side.right{right:0;transform:rotate(9deg)}
.phone-main{
  position:relative;z-index:2;width:clamp(220px,26vw,290px);
  border-radius:40px;background:#050505;padding:12px;
  box-shadow:0 40px 100px rgba(0,0,0,.55),0 0 0 4px rgba(255,255,255,.06);
}
.phone-main img{border-radius:30px}

/* ---------- Section headings ---------- */
.section-label{
  font-size:var(--text-label-size);font-weight:var(--text-label-weight);
  letter-spacing:var(--text-label-tracking);text-transform:uppercase;
  color:var(--text-tertiary);
}
.section-head{text-align:center;max-width:620px;margin:0 auto 48px}
.section-head h2{
  margin:10px 0 0;font-size:clamp(28px,4vw,40px);font-weight:800;
  letter-spacing:-0.01em;color:var(--text-primary);
}

/* ---------- Features ---------- */
.features{padding:clamp(56px,8vw,96px) clamp(20px,4vw,64px);max-width:1180px;margin:0 auto}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.feature-card{
  padding:24px;border-radius:var(--radius-lg);background:var(--bg-surface);
  border:1.5px solid var(--border-subtle);
}
.feature-icon{
  width:44px;height:44px;border-radius:var(--radius-md);background:var(--accent-subtle);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.feature-icon svg{width:22px;height:22px;stroke:var(--accent-strong)}
.feature-card h3{font-size:17px;font-weight:800;color:var(--text-primary);margin:0 0 8px}
.feature-card p{font-size:14px;line-height:1.5;color:var(--text-tertiary);margin:0}

/* ---------- How it works ---------- */
.how{padding:clamp(56px,8vw,96px) clamp(20px,4vw,64px);max-width:960px;margin:0 auto}
.step{display:flex;gap:20px;padding:24px 0;border-bottom:1.5px solid var(--border-subtle)}
.step:last-child{border-bottom:none}
.step-num{
  width:40px;height:40px;flex-shrink:0;border-radius:var(--radius-md);
  background:var(--accent);color:var(--text-on-brand);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
}
.step h3{font-size:18px;font-weight:800;color:var(--text-primary);margin:0 0 6px}
.step p{font-size:15px;line-height:1.5;color:var(--text-tertiary);margin:0}

/* ---------- Contact ---------- */
.contact{padding:clamp(56px,8vw,96px) clamp(20px,4vw,64px)}
.contact-inner{max-width:520px;margin:0 auto}
.contact .section-head p{margin:12px 0 0;font-size:15px;color:var(--text-secondary)}
.contact-form{
  display:flex;flex-direction:column;gap:16px;padding:28px;
  border-radius:var(--radius-lg);background:var(--bg-surface);
  border:1.5px solid var(--border-subtle);
}
.field{display:flex;flex-direction:column;gap:6px}
.field label{
  font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;
  color:var(--text-secondary);
}
.field-input{
  display:flex;align-items:center;height:48px;padding:0 14px;
  border-radius:var(--radius-sm);background:var(--bg-sunken);
  border:1.5px solid transparent;
}
.field-input.has-error{border-color:var(--accent-strong)}
.field-input input{
  flex:1;border:none;background:transparent;outline:none;
  font-family:var(--font-sans);font-size:15px;font-weight:500;color:var(--text-primary);
}
textarea{
  width:100%;box-sizing:border-box;padding:12px 14px;border-radius:var(--radius-md);
  border:1.5px solid var(--border-subtle);background:var(--bg-page);
  color:var(--text-primary);font-size:15px;font-family:var(--font-sans);resize:vertical;
}
textarea:focus,.field-input:focus-within{outline:none;border-color:var(--accent)}
textarea.has-error{border-color:var(--accent-strong)}
.field-error{margin-top:6px;font-size:12px;font-weight:600;color:var(--accent-strong)}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- Footer ---------- */
.site-footer{padding:40px clamp(20px,4vw,64px);border-top:1.5px solid var(--border-subtle)}
.footer-inner{
  max-width:1180px;margin:0 auto;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:20px;
}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand img{width:28px;height:28px;border-radius:7px}
.footer-brand span{font-size:14px;font-weight:700;color:var(--text-primary)}
.footer-links{display:flex;gap:16px}
.footer-legal-link{font-size:13px;font-weight:600;color:var(--text-secondary);text-decoration:none}
.footer-legal-link:hover{color:var(--text-primary)}
.footer-copy{font-size:13px;color:var(--text-tertiary)}

/* ---------- Legal pages ---------- */
.legal{padding:clamp(56px,8vw,96px) clamp(20px,4vw,64px)}
.legal-inner{max-width:720px;margin:0 auto}
.legal-title{margin:10px 0 0;font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-0.01em;color:var(--text-primary)}
.legal-updated{margin:10px 0 0;font-size:13px;font-weight:600;color:var(--text-tertiary)}
.legal-body h2{font-size:18px;font-weight:800;color:var(--text-primary);margin:32px 0 10px}
.legal-body h2:first-child{margin-top:0}
.legal-body p{font-size:15px;line-height:1.6;color:var(--text-secondary);margin:0}
.legal-back{margin-top:40px}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:16px;right:16px;bottom:24px;margin:0 auto;max-width:420px;
  display:flex;align-items:center;gap:10px;padding:14px 16px;
  border-radius:var(--radius-sm);background:var(--bg-inverse);color:var(--text-on-inverse);
  box-shadow:var(--shadow-lg);font-size:14px;font-weight:600;
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity .18s ease, transform .18s ease;
  z-index:100;
}
.toast.visible{opacity:1;transform:translateY(0);pointer-events:auto}

/* ---------- Reveal-on-scroll ----------
   Hidden state is opt-in via .js-reveal, added by main.js only once it has
   confirmed IntersectionObserver is available and wired up. This keeps
   content visible by default so a JS failure never hides the page. */
.js-reveal [data-reveal]{opacity:0;transform:translateY(20px);transition:opacity .6s ease, transform .6s ease}
.js-reveal [data-reveal].is-visible{opacity:1;transform:translateY(0)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none;transition:none}
  .btn:active{transform:none}
}