:root{
  --bg: #0b0f1a;
  --card: #12192b;
  --muted: #9aa4bf;
  --txt: #e7ecff;
  --accent1: #7c5cff;
  --accent2: #26d0ce;
  --accent3: #1fa2ff;
  --ring: #2b3a63;
  --surface: linear-gradient(135deg,#1c2742 0%,#10182a 100%);
}

*{box-sizing:border-box}
html {
  min-height: 100%;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(124,92,255,.25), transparent 60%),
    radial-gradient(800px 400px at 90% 10%, rgba(31,162,255,.20), transparent 55%),
    linear-gradient(180deg, #0b0f1a 0%, #11172a 25%, #171d35 55%, #1c1841 80%, #241b55 100%);
  background-repeat: no-repeat;
  background-attachment: scroll;
  background-size: 100% 100%;
  background-color: #241b55;
}
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--txt);
  min-height: 100vh;
  box-shadow: 0 -80px 120px 40px rgba(124,92,255,.15) inset;
  background: transparent;
}

/*Верхняя шапка*/
.site-header{
  position:sticky;top:0;z-index:9;
  backdrop-filter:saturate(140%) blur(10px);
  background:rgba(5,8,16,.55);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.container{ max-width: 1200px; margin: 0 auto; padding: 0 20px; box-sizing: border-box; }
.nav{
  display:flex;align-items:center;gap:16px;justify-content:space-between;
  padding:14px 0;
}
.brand{font-weight:800;letter-spacing:.3px;color:#fff;text-decoration:none;font-size:20px}
.brand-accent{background:linear-gradient(90deg,var(--accent2),var(--accent3));-webkit-background-clip:text;background-clip:text;color:transparent}

/*Навигация*/
.menu{display:flex;gap:18px}
.menu a{color:var(--muted);text-decoration:none;font-weight:500}
.menu a:hover{color:#fff}

.btn{
  appearance:none;border:0;border-radius:12px;padding:12px 16px;font-weight:600;
  cursor:pointer;transition:.2s transform,.2s box-shadow,.2s background;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(90deg,var(--accent3),var(--accent2));color:#001018;box-shadow:0 6px 20px rgba(31,162,255,.25)}
.btn-ghost{background:transparent;border:1px solid var(--ring);color:#cfe1ff}
.btn-secondary{background:#18223a;color:#d9e4ff;border:1px solid #2a3a63}

/*Приветствие*/
.hero {
  padding-top: 30px;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  width: fit-content;
}
.hero h1{font-size:42px;line-height:1.15;margin:0 0 12px}
.hero-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 150px;
}
.hero-text { max-width: 520px; }
.hero-demo { transform: scale(0.95); }
.grad{background:linear-gradient(90deg,var(--accent1),var(--accent3));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:#cdd6f5;font-size:18px;margin:0 0 18px}
.hero-cta{display:flex;gap:12px;margin:18px 0 12px}
.meta{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent2);display:inline-block}
.phone{
  width:330px;border-radius:24px;padding:10px;background:var(--surface);
  border:1px solid rgba(255,255,255,.06); box-shadow:0 20px 60px rgba(0,0,0,.45);
}
.chat{ list-style:none; margin:0; padding:0 10px 12px; display:flex; flex-direction:column; gap:8px; height:auto; overflow:visible; }
.statusbar{display:flex;justify-content:space-between;color:#b9c4e8;font-weight:600;padding:6px 8px 10px}
.preview-img { width: 100%; border-radius: 12px; border: 1px solid rgba(255,255,255,.15); display: block; }
.msg{max-width:85%;padding:10px 12px;border-radius:12px;font-size:14px}
.msg.bot{background:#0f1630;border:1px solid #26345c}
.msg.user{background:#20304e;margin-left:auto}
.msg.card{text-align:center;color:#9fb2e9;font-style:italic}
.inputbar{height:38px;background:#0e1529;border:1px solid #2a3964;border-radius:10px;margin:0 10px;display:flex;align-items:center;color:#6f7ea8;padding:0 10px}

.section{padding:56px 0}
.section h2{font-size:28px;margin:0 0 18px}

/*Умения*/
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat{
  background:#0f172c;border:1px solid rgba(255,255,255,.07);
  border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:6px
}
.feat .ico{font-size:22px}
.feat h4{margin:0}
.feat p{margin:0;color:#c6d2f4}

.steps{margin:8px 0 0 18px;line-height:1.6}
.steps code{background:#0e1934;border:1px solid #26345c;border-radius:6px;padding:2px 6px}

.section { scroll-margin-top: 80px; padding: 40px 0; }
.cta-row{display:flex;gap:12px;margin-top:18px}
.socials{display:flex;gap:14px;flex-wrap:wrap}
.social{ display:flex;gap:10px;align-items:center; background:#0f172c;border:1px solid rgba(255,255,255,.08);border-radius:12px; padding:10px 12px;color:#cfe1ff;text-decoration:none }
.social:hover{background:#152040}
.muted{color:var(--muted);margin-top:10px}

/*Вопросы*/
#faq { padding: 80px 0; }
#faq h2 { text-align: center; margin-bottom: 32px; }
.faq-list { max-width: 850px; margin: 0 auto; display: grid; gap: 10px; }
.faq-item{ background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; overflow: hidden; }
.faq-question{
  width: 100%; background: none; border: 0; color: #cdd9ff; text-align: left; padding: 14px 18px;
  font-size: 1.05rem; font-weight: 600; cursor: pointer; display: flex; align-items: center; justify-content: space-between;
}
.faq-question::after{
  content: ""; width: 10px; height: 10px; border-right: 2px solid #cdd9ff; border-bottom: 2px solid #cdd9ff;
  transform: rotate(45deg); transition: transform .25s ease;
}
.faq-answer{
  max-height: 0; overflow: hidden; padding: 0 18px; color: rgba(255,255,255,.85);
  line-height: 1.5; transition: max-height .35s ease, padding .25s ease;
}
.faq-item.active .faq-answer{ max-height: 140px; padding: 0 18px 12px;  }
.faq-item.active .faq-question::after{ transform: rotate(-135deg); }
@media (max-width: 480px){
  .faq-question{ padding: 12px 16px; font-size: .98rem; }
  .faq-answer{ padding: 0 16px; }
  .faq-item.active .faq-answer{ max-height: 120px; padding: 0 16px 10px; }
}
.bot { background: rgba(98, 177, 255, 0.2); padding: 2px 8px; border-radius: 6px; color: #62b1ff; }

#faq { padding-bottom: 40px; }
#socials { padding-top: 40px; }

/*footer*/
.site-footer{border-top:1px solid rgba(255,255,255,.07);padding:18px 0 30px;background:rgba(10,12,20,.4)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:12px}
.foot a{color:#b9c8ee;text-decoration:none}
.foot a:hover{color:#fff}

@media (max-width: 1000px){
  .hero-grid{grid-template-columns:1fr}
  .phone{margin-inline:auto}
}
@media (max-width: 860px){
  .cards{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 560px){
  /* изначально у тебя было .menu{display:none}, ниже мы переопределяем под off-canvas */
  .hero h1{font-size:34px}
  .feat-grid{grid-template-columns:1fr}
}

/* === Burger / Mobile Nav (ОБНОВЛЕНО) === */
.burger{
  display:inline-flex; flex-direction:column; gap:4px;
  width:36px; height:32px; align-items:center; justify-content:center;
  background:transparent; border:0; cursor:pointer;
  z-index:1010; /* над всем */
}
.burger-line{ width:22px; height:2px; background:var(--txt,#e7ecff); border-radius:2px; transition:transform .25s, opacity .25s; }
.burger:focus-visible{ outline:2px solid var(--accent1,#7c5cff); outline-offset:2px; }

/* Мобилка: выдвижное меню */
@media (max-width: 768px){
  .menu{
    position: absolute;   /* не фиксируем на весь экран */
    top: 64px;            /* сразу под шапкой */
    left: 0;
    right: 0;
    background: #0b0f1a;  /* плотный фон, без прозрачности */
    border-top: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 8px 20px rgba(0,0,0,0.4); /* лёгкая тень */
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform .25s ease, opacity .25s ease;
    padding: 12px 16px;
    z-index: 999;
  }
.hero-grid{
    flex-direction: column;  /* уже есть, но на всякий случай */
    gap: 40px;               /* было 150px — уменьшаем до 40px */
  }
  .menu a{
    display: block;
    padding: 10px 6px;
    font-size: 16px;
    color: var(--txt);
    border-radius: 8px;
  }

  .menu a:hover{
    background: #151c33;
    color: #fff;
  }

  .nav.is-open .menu{
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}
  .nav.is-open .burger[aria-expanded="true"] .burger-line:nth-child(1){ transform: translateY(6px) rotate(45deg); }
  .nav.is-open .burger[aria-expanded="true"] .burger-line:nth-child(2){ opacity:0; }
  .nav.is-open .burger[aria-expanded="true"] .burger-line:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }


/* Десктоп */
@media (min-width: 769px){
  .burger{ display:none; }
  .menu{ position: static; transform:none; opacity:1; pointer-events:auto; padding:0; background:transparent; border:0; }
}

/* Блокируем прокрутку при открытом меню */



html{ scroll-behavior: smooth; }
.section{ scroll-margin-top: 80px; }

@media (max-width: 768px){
  .site-header .nav{
    position: relative;
    height: 64px;               
  }

  /* Лого строго по центру */
  .site-header .brand{
    position: absolute;
    left: 38%;
    transform: translateX(-50%);
    z-index: 1001;              /* над меню/кнопками */
  }

  /* Бургер у левого края */
  .site-header .burger{
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1002;
  }

  /* Кнопка "Открыть в Telegram" у правого края */
  .site-header .open-tg{
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1002;
    white-space: nowrap;       
  }

  .site-header .menu{
    top: 64px;                 
  }
}