/* ========== Base / Reset ========== */
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* CSS vars */
:root{
  --bg:#f9fbff;
  --text:#0f172a;
  --muted:#64748b;
  --brand:#2563eb;
  --brand-2:#60a5fa;
  --card:#fff;
  --border:#e2e8f0;

  --rotator-size:160px;
  --rotator-duration:8s;
  --rotator-easing:cubic-bezier(.2,.6,.2,1);

  --header-h:72px;
}

/* Base layout */
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#f0f7ff 0%,var(--bg) 100%);
  padding-top:var(--header-h);            /* не уезжать под fixed-хедер */
  overflow-x:hidden;
}

/* Scroll behavior + lock when меню открыто */
html{scroll-behavior:smooth}
html.no-scroll,
body.no-scroll{overflow:hidden !important}

/* Text utils */
.text-center{text-align:center !important}
.text-justify{text-align:justify !important;text-justify:inter-word}

/* Смещение якорей под фикс. шапку */
[id]{scroll-margin-top:calc(var(--header-h,72px) + 8px)}

/* Улучшение тач-поведения */
a,button,.btn{-webkit-tap-highlight-color:transparent;touch-action:manipulation}

/* ========== Preloader ========== */
.preloader{position:fixed;inset:0;background:var(--bg);display:grid;place-items:center;z-index:9999;transition:opacity .4s ease,visibility .4s ease}
.preloader.hidden{opacity:0;visibility:hidden}
.spinner{width:46px;height:46px;border-radius:50%;border:4px solid #dbeafe;border-top-color:var(--brand);animation:spin 1s linear infinite}
.preloader-text{margin-top:12px;color:var(--muted);font-size:14px;text-align:center}
@keyframes spin{to{transform:rotate(360deg)}}

/* ========== Buttons ========== */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:10px;font-size:16px;font-weight:600;border:none;cursor:pointer;transition:transform .3s,box-shadow .3s,background .3s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(37,99,235,.35)}
.btn-secondary{background:rgba(37,99,235,.10);color:var(--brand)}
.btn-secondary:hover{background:rgba(37,99,235,.18);transform:translateY(-2px)}
.btn.block{display:block;text-align:center}

/* ========== Header (fixed) ========== */
.header{
  position:fixed;left:0;right:0;top:0;height:var(--header-h);
  display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;
  padding:14px 24px;z-index:100000;
  background:rgba(255,255,255,.7);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--border);
  transition:transform .28s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease,backdrop-filter .2s ease;
}
.header--scrolled{background:rgba(255,255,255,.9);box-shadow:0 6px 24px rgba(15,23,42,.06);border-color:#e5e7eb}
.header--hidden{transform:translateY(calc(-1 * var(--header-h)))}

.logo{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:700}
.logo-icon{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;color:#fff;font-size:22px;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%)}

.badge{display:none;align-items:center;gap:8px;background:var(--card);padding:6px 12px;border-radius:20px;border:1px solid var(--border);font-size:13px}
.badge-icon{width:22px;height:22px;background:#000;color:#fff;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:13px}

/* Навигация */
.nav{display:flex;gap:22px;align-items:center;justify-content:center}
.nav a{color:#374151;font-size:15px;font-weight:500;transition:color .25s}
.nav a:hover,.nav a.active{color:var(--brand)}

/* Правый блок в шапке (скрыт по требованиям) */
.header-right{display:none !important}

/* Burger */
.burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:#fff;position:relative;cursor:pointer;box-shadow:0 2px 8px rgba(15,23,42,.06);
  justify-self:end;z-index:100003;
}
.burger:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.burger span{
  position:absolute;left:50%;top:50%;width:22px;height:2.5px;background:#0f172a;border-radius:2px;
  transform:translate(-50%,-8px);transition:transform .25s ease,opacity .2s ease,background .2s ease;
}
.burger span:nth-child(2){transform:translate(-50%,0)}
.burger span:nth-child(3){transform:translate(-50%,8px)}
.burger.is-active span:nth-child(1),
.burger.open span:nth-child(1){transform:translate(-50%,0) rotate(45deg)}
.burger.is-active span:nth-child(2),
.burger.open span:nth-child(2){opacity:0}
.burger.is-active span:nth-child(3),
.burger.open span:nth-child(3){transform:translate(-50%,0) rotate(-45deg)}

/* ========== Hero ========== */
.hero-section{display:flex;align-items:center;gap:60px;min-height:80vh;padding:80px 60px;position:relative}
.hero-left{flex:1;animation:fadeInUp 1s ease-out}
.launch-badge{display:inline-block;font-size:42px;font-weight:300;letter-spacing:-1px;margin-bottom:20px;animation:slideInLeft .8s ease-out}
.launch-badge .launch{color:var(--brand);font-style:italic}
.launch-badge .now{color:#0ea5e9;font-style:italic;font-weight:600}
.hero-title{font-size:64px;font-weight:700;line-height:1.1;margin-bottom:24px}
.hero-title .saas,.hero-title .days{color:var(--brand)}
.rocket{display:inline-block;font-size:64px;animation:rocketFloat 3s ease-in-out infinite;transform-origin:center}
.hero-subtitle{font-size:18px;color:var(--muted);line-height:1.75;margin-bottom:28px}
.hero-subtitle .highlight,.hero-subtitle .tech-stack{color:var(--brand);font-weight:600}
.hero-subtitle .tech-stack{text-decoration:underline;text-underline-offset:4px}
.social-proof{display:flex;align-items:center;gap:15px;margin-bottom:28px}
.avatars{display:flex;margin-left:-5px}
.avatar{width:40px;height:40px;border-radius:50%;border:3px solid var(--card);margin-left:-12px}
.avatar:first-child{margin-left:0}
.stars{color:#fbbf24;font-size:18px;letter-spacing:2px}
.loved-text{color:var(--muted);font-size:14px}
.cta-buttons{display:flex;gap:16px}
.hero-right{flex:1;position:relative;animation:fadeInRight 1s ease-out .4s backwards}
.dashboard-preview{position:relative;border-radius:20px;overflow:visible;animation:float 6s ease-in-out infinite}
.dashboard-image{width:100%;border-radius:20px;box-shadow:0 20px 60px rgba(37,99,235,.20);background:var(--card);padding:2px}
.floating-icon{position:absolute;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-size:24px;box-shadow:0 8px 24px rgba(0,0,0,.15);animation:bounce 3s ease-in-out infinite}
.icon-dollar,.icon-dollar2{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff}
.icon-user{background:linear-gradient(135deg,var(--brand) 0%,#6d28d9 100%);color:#fff}
.icon-chart,.icon-edit{background:linear-gradient(135deg,var(--brand-2) 0%,var(--brand) 100%);color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.15)}
.icon-dollar{top:-20px;right:20%}
.icon-dollar2{top:10%;right:-20px}
.icon-user{bottom:20%;left:-30px}
.icon-edit{bottom:10%;right:-25px}
.icon-chart{top:40%;left:-35px}
.background-blur{position:absolute;width:360px;height:360px;border-radius:50%;filter:blur(100px);opacity:.3;z-index:-1}
.blur-1{background:linear-gradient(135deg,var(--brand-2) 0%,var(--brand) 100%);top:10%;right:5%;animation:pulse 8s ease-in-out infinite}
.blur-2{background:linear-gradient(135deg,#93c5fd 0%,#38bdf8 100%);top:50%;left:0;animation:pulse 8s ease-in-out infinite 2s}

/* ========== Hub Section ========== */
.hub-section{position:relative;padding:60px 20px 100px}
.hub-section .container{max-width:1200px;margin:0 auto;position:relative}
.hub-section .section-wrapper{position:relative;min-height:600px;display:flex;align-items:center;justify-content:space-between;gap:40px}
.hub-section .section-title{font-size:32px;font-weight:700;color:#2d3748;margin-bottom:32px}
.hub-section .left-section,.hub-section .right-section{flex:1;display:flex;flex-direction:column;gap:16px;position:relative;z-index:2}
.hub-section .right-section{align-items:flex-end}
.hub-section .right-section .section-title{text-align:right}
.hub-section .card{background:var(--card);width:360px;min-height:88px;padding:20px;border-radius:16px;display:flex;align-items:center;gap:14px;box-shadow:0 2px 12px rgba(0,0,0,.08);transition:transform .25s ease,box-shadow .25s ease;opacity:0}
.hub-section .card:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(96,165,250,.25)}
.hub-section .icon-wrapper{width:52px;height:52px;background:#f1f5f9;border-radius:12px;display:grid;place-items:center;flex-shrink:0}
.hub-section .icon-wrapper svg{width:26px;height:26px;color:#4a5568}
.hub-section .card-content h3{font-size:16px;font-weight:600;color:#2d3748;margin-bottom:2px}
.hub-section .card-content p{font-size:14px;color:#718096}
.hub-section .highlight{color:var(--brand);font-weight:700}
.hub-section .center-element{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:calc(var(--rotator-size)*1.1);height:calc(var(--rotator-size)*1.1);z-index:5}
.hub-section .ring{width:100%;height:100%;border-radius:999px;background:#fff;box-shadow:0 1px 2px rgba(16,24,40,.06),0 8px 40px rgba(24,54,103,.12),inset 0 0 0 1px rgba(15,23,42,.06);display:grid;place-items:center;position:relative;overflow:hidden;transition:all .25s ease}
.hub-section .stage{width:calc(var(--rotator-size)/3);height:calc(var(--rotator-size)/3);position:relative}
.hub-section .transport-icon{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transform:translateY(12px) scale(.96) rotate(-2deg);animation:showhide var(--rotator-duration) var(--rotator-easing) infinite;filter:drop-shadow(0 12px 16px rgba(11,27,51,.12))}
.hub-section .transport-icon.bus{animation-delay:0s}
.hub-section .transport-icon.airplane{animation-delay:calc(var(--rotator-duration)/3)}
.hub-section .transport-icon.ship{animation-delay:calc(2*var(--rotator-duration)/3)}
.hub-section .transport-icon img{width:100%;height:100%;object-fit:contain}
.hub-section .lines-container{position:absolute;inset:0;pointer-events:none;z-index:1;overflow:visible}
.hub-section .connection-line{fill:none;stroke:rgba(37,99,235,.18);stroke-width:1.3}
.hub-section .energy-pulse{fill:none;stroke:url(#pulseGrad);stroke-width:2;stroke-linecap:round;filter:drop-shadow(0 0 6px rgba(59,130,246,.6))}
.hub-section .pulse-left{animation:energyFromCard 3.2s ease-in-out infinite}
.hub-section .pulse-right{animation:energyFromCenter 3.2s ease-in-out infinite}
.hub-section .link.active .connection-line{stroke:rgba(37,99,235,.36)}
.hub-section .link.active .energy-pulse{animation-duration:2.2s;filter:drop-shadow(0 0 10px rgba(37,99,235,.85))}

/* ========== Generic section blocks ========== */
.section{padding:72px 20px}
.section-inner{max-width:1100px;margin:0 auto}
.section h2{font-size:32px;margin-bottom:24px}
.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.cards-3{grid-template-columns:repeat(3,1fr)}
.price-card,.case-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px}
.price{font-size:28px;margin:8px 0 16px;color:var(--brand)}
.price-card ul{list-style:none;display:grid;gap:8px;margin:0 0 16px}

/* Accordion */
.accordion details{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px 16px}
.accordion details+details{margin-top:10px}
.accordion summary{cursor:pointer;font-weight:600}

/* Contact form */
.contact-form{display:grid;gap:12px}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:var(--card);color:var(--text)}

/* Footer */
.footer{padding:40px 24px;color:var(--muted);border-top:1px solid var(--border);text-align:center}

/* ========== Tech (описание под заголовком) ========== */
.tech-section .tech-description{
  color:var(--muted);
  line-height:1.75;
  margin-bottom:18px;
}

/* ========== About ========== */
.about-section{position:relative}
.about-title{font-size:32px;margin-bottom:10px}
.about-subtitle{color:var(--muted);line-height:1.75;margin-bottom:24px}
.about-grid{align-items:stretch;gap:18px}
.about-col--text{display:grid;gap:16px}
.about-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.about-card h3{font-size:18px;margin-bottom:8px}
.about-card p{color:var(--muted);margin-bottom:12px}
.about-list{list-style:none;display:grid;gap:8px;padding-left:0}
.about-list li{position:relative;padding-left:26px}
.about-list li::before{content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.about-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.about-stat{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px;text-align:center}
.about-stat__value{font-size:22px;font-weight:800;color:var(--brand)}
.about-stat__label{font-size:12px;color:var(--muted)}
.about-illustration{position:relative;margin:60px auto 40px;display:flex;justify-content:center;align-items:center;min-height:280px;place-items:center}
.about-blob{position:absolute;width:360px;height:360px;border-radius:50%;filter:blur(100px);opacity:.28;background:linear-gradient(135deg,var(--brand-2) 0%,var(--brand) 100%);z-index:0}
.about-col--media{display:grid;gap:14px;align-content:start}
.about-device{position:relative;z-index:1;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:16px;box-shadow:0 20px 60px rgba(37,99,235,.12);width:100%;max-width:520px}
.about-screen{border:1px solid var(--border);border-radius:14px;padding:12px;background:#f8fafc;display:grid;gap:10px}
.about-row{display:flex;gap:10px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border-radius:12px;background:#eef2ff;color:#374151;font-size:13px;border:1px solid #e5e7eb}
.chip svg{color:#4a5568}
.about-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.tag{font-size:12px;color:var(--muted);background:rgba(37,99,235,.08);border:1px solid rgba(37,99,235,.18);padding:6px 10px;border-radius:999px}
.about-visual{position:relative;display:flex;flex-direction:column;align-items:center;gap:22px;z-index:2}
.about-icons{display:flex;flex-wrap:wrap;justify-content:center;gap:20px}
.icon-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px 20px;display:flex;align-items:center;gap:12px;box-shadow:0 6px 18px rgba(37,99,235,.1);transition:transform .3s ease,box-shadow .3s ease}
.icon-card:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(37,99,235,.2)}
.icon-card svg{width:26px;height:26px;color:var(--brand)}
.icon-card span{font-size:15px;font-weight:500;color:var(--text)}
.about-background .circle{position:absolute;border-radius:50%;filter:blur(80px);opacity:.3;z-index:1}
.circle-lg{width:240px;height:240px;background:var(--brand-2);top:-60px;right:-80px}
.circle-md{width:180px;height:180px;background:var(--brand);bottom:-40px;left:-60px}
.circle-sm{width:120px;height:120px;background:#93c5fd;bottom:60px;right:80px}
.about-visual .about-tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:32px}
.about-visual .about-tags span{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:10px 16px;font-size:15px;font-weight:500;color:var(--text);box-shadow:0 2px 6px rgba(0,0,0,.05);transition:all .25s ease}
.about-visual .about-tags span:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}

/* ========== Animations ========== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}
.hub-section .card.reveal{transition-delay:.05s}
.hub-section .card.reveal.is-visible{opacity:1}
@keyframes fadeInRight{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes rocketFloat{0%,100%{transform:translateY(0) rotate(-10deg)}50%{transform:translateY(-20px) rotate(-5deg)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-15px)}}
@keyframes pulse{0%{transform:scale(1);opacity:.5}50%{transform:scale(1.2);opacity:.5}100%{transform:scale(1);opacity:.3}}
@keyframes energyFromCard{0%{stroke-dashoffset:0;opacity:0}12%{opacity:1}88%{opacity:1}100%{stroke-dashoffset:var(--len);opacity:0}}
@keyframes energyFromCenter{0%{stroke-dashoffset:var(--len);opacity:0}12%{opacity:1}88%{opacity:1}100%{stroke-dashoffset:0;opacity:0}}
@keyframes showhide{0%{opacity:0;transform:translateY(16px) scale(.95) rotate(-4deg)}8%{opacity:1;transform:translateY(0) scale(1) rotate(0)}25%{opacity:1;transform:translateY(0) scale(1.02) rotate(1deg)}33.333%{opacity:0;transform:translateY(-10px) scale(.98) rotate(2deg)}100%{opacity:0;transform:translateY(16px) scale(.95) rotate(-4deg)}}
@keyframes slideInLeft{from{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:translateX(0)}}

/* ========== Responsive ========== */

/* ≤1100px */
@media (max-width:1100px){
  /* показать бургер, спрятать обычную навигацию */
  .nav{display:none}
  .burger{display:flex;margin-left:auto}

  /* Мобильное меню-оверлей (пункты по центру по X/Y) */
  .nav.open{
    position:fixed;left:0;right:0;top:var(--header-h);
    height:calc(min(100svh,100dvh) - var(--header-h));
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:12px;text-align:center;padding:24px 20px;overflow:auto;
    background:#fff;border-bottom:1px solid var(--border);
    box-shadow:0 12px 28px rgba(15,23,42,.10);z-index:100002;
    -webkit-overflow-scrolling:touch;
  }
  .nav.open a{display:block;width:100%;max-width:420px;padding:16px 12px;font-size:20px;line-height:1.4;border-radius:10px}
  .nav.open a:active{background:#f1f5f9}

  /* Hero/Hubs stack */
  .hero-section{flex-direction:column;padding:40px 20px;gap:30px}
  .hero-title{font-size:48px}
  .badge{display:none}
  .grid.two{grid-template-columns:1fr}
  .cards-3{grid-template-columns:1fr}
  .hub-section .section-wrapper{flex-direction:column}
  .hub-section .left-section,.hub-section .right-section{width:100%;align-items:center}
  .hub-section .right-section .section-title{text-align:center}
  .hub-section .card{max-width:520px;width:100%}
  .hub-section .lines-container{display:none}
  .hub-section .center-element{position:relative;left:auto;top:auto;transform:none;margin:0 auto}
}

/* ≤768px */
@media (max-width:768px){
  :root{--header-h:64px}
  body{padding-top:var(--header-h)}
  .header{padding:10px 16px;gap:12px;grid-template-columns:auto 1fr auto}

  /* Полное название на мобилке */
  .logo span{display:inline !important;font-size:12px;font-weight:600;color:#0f172a;white-space:nowrap}

  /* Hero компактнее и выравнивание текста */
  .launch-badge{display:none}
  .hero-left{text-align:center}
  .cta-buttons{justify-content:center;gap:10px;margin-bottom:22px}
  .hero-section{padding:28px 16px;gap:20px;min-height:auto}
  .hero-title{font-size:36px;line-height:1.15;margin-bottom:16px;letter-spacing:-.5px}
  .rocket{font-size:42px}
  .hero-subtitle{font-size:15px;line-height:1.6;margin-bottom:18px}
  .hero-subtitle,.section p,.price-card p,.case-card p{text-align:justify;text-justify:inter-word}
  .avatars .avatar{width:34px;height:34px;border-width:2px}
  .stars{font-size:16px}
  .loved-text{font-size:13px}
  .btn{padding:12px 18px;font-size:15px;border-radius:9px}

  /* Hub компактнее */
  .hub-section{padding:40px 16px 64px}
  .hub-section .section-title{font-size:26px;margin-bottom:18px;text-align:center}
  .hub-section .card{min-height:80px;padding:16px;border-radius:14px}
  .hub-section .icon-wrapper{width:46px;height:46px}
  .hub-section .icon-wrapper svg{width:22px;height:22px}
  .hub-section .card-content h3{font-size:15px}
  .hub-section .card-content p{font-size:13px}

  /* About компактнее */
  .about-title{font-size:26px;text-align:center}
  .about-subtitle{text-align:justify}
  .about-illustration{min-height:220px}
  .about-blob{width:260px;height:260px}
  .about-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .about-stat__value{font-size:18px}

  /* Скрыть «валюты/планету/график» и прочие плавающие иконки на телефонах */
  .floating-icon,
  .icon-dollar,
  .icon-dollar2,
  .icon-chart,
  .icon-edit{display:none !important}

  /* === Техстек: абзац под заголовком — выравнивание по ширине === */
  /* мобильное выравнивание описания техстека */
@media (max-width: 768px){
  .tech-section .tech-description{
    text-align: justify;           /* равномерно по ширине */
    text-justify: inter-word;
    text-align-last: left;
   
    overflow-wrap: anywhere;
    word-break: normal;

    /* чтобы текст занимал всю ширину */
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    line-height: 1.6;
    font-size: 15px;
  }
}


/* ≤480px */
@media (max-width:480px){
  .hero-title{font-size:32px}
  .hero-subtitle{font-size:14px}
  .btn{padding:10px 16px;font-size:14px}
  .hub-section .card{gap:12px}
}