*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --blue:#1a6cff;
  --blue-dark:#0047cc;
  --blue-light:#e8f0ff;
  --white:#ffffff;
  --gray-50:#f8f9fc;
  --gray-100:#f0f2f8;
  --gray-200:#e2e6f0;
  --gray-400:#9aa3b8;
  --gray-600:#5a6480;
  --gray-800:#1e2540;
  --text:#1e2540;
  --radius:12px;
}

html{scroll-behavior:smooth;font-size:16px}

body{
  font-family:'Inter','Segoe UI',Arial,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:50px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  border:none;
  transition:transform .2s,box-shadow .2s,opacity .2s;
  text-decoration:none;
}
.btn:hover{transform:translateY(-2px)}

.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  color:#fff;
  box-shadow:0 6px 24px rgba(26,108,255,.35);
}
.btn-primary:hover{box-shadow:0 10px 32px rgba(26,108,255,.45)}

.btn-outline{
  background:transparent;
  color:var(--blue);
  border:2px solid var(--blue);
}
.btn-outline:hover{background:var(--blue);color:#fff}

.btn-white{
  background:#fff;
  color:var(--blue);
  box-shadow:0 4px 16px rgba(0,0,0,.12);
}
.btn-white:hover{box-shadow:0 8px 24px rgba(0,0,0,.18)}

.section-tag{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--blue);
  text-transform:uppercase;
  letter-spacing:.08em;
  margin-bottom:12px;
}

.section-title{
  font-size:clamp(28px,4vw,42px);
  font-weight:800;
  line-height:1.2;
  color:var(--gray-800);
  margin-bottom:16px;
}

.section-subtitle{
  font-size:16px;
  color:var(--gray-600);
  max-width:560px;
  margin:0 auto;
}

nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(0,0,0,.06);
  transition:box-shadow .3s;
}
nav.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.1)}

.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:68px;
  gap:32px;
}

.nav-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:var(--blue);
  flex-shrink:0;
}
.nav-logo svg{width:32px;height:32px}

.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1;
}
.nav-links a{
  padding:7px 14px;
  border-radius:8px;
  font-size:14px;
  font-weight:500;
  color:var(--gray-600);
  transition:color .2s,background .2s;
}
.nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--blue-light)}

.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  padding:4px;
  background:none;
  border:none;
}
.nav-toggle span{
  display:block;
  width:24px;
  height:2px;
  background:var(--gray-800);
  border-radius:2px;
  transition:transform .3s,opacity .3s;
}

.hero{
  min-height:100vh;
  background:linear-gradient(135deg,#0a1a4e 0%,#0d2280 40%,#1a6cff 100%);
  display:flex;
  align-items:center;
  padding-top:68px;
  overflow:hidden;
  position:relative;
}

.hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:radial-gradient(ellipse 60% 80% at 70% 50%,rgba(100,160,255,.18) 0%,transparent 70%);
  pointer-events:none;
}

.hero-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  padding:80px 0;
}

.hero-content{color:#fff}

.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  border-radius:50px;
  padding:6px 14px;
  font-size:13px;
  font-weight:500;
  color:rgba(255,255,255,.9);
  margin-bottom:24px;
}

.hero-title{
  font-size:clamp(36px,5vw,64px);
  font-weight:900;
  line-height:1.1;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.hero-title span{
  background:linear-gradient(135deg,#7eb8ff,#b8d4ff);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.hero-sub{
  font-size:18px;
  color:rgba(255,255,255,.7);
  margin-bottom:28px;
  font-weight:400;
}

.hero-list{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-bottom:40px;
}
.hero-list li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  color:rgba(255,255,255,.85);
}
.hero-list li::before{
  content:'';
  display:block;
  width:18px;
  height:18px;
  background:rgba(255,255,255,.15);
  border-radius:50%;
  border:1.5px solid rgba(255,255,255,.4);
  flex-shrink:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%23fff' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:center;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:20px;
}

.hero-note{
  font-size:12px;
  color:rgba(255,255,255,.5);
}

.hero-visual{
  position:relative;
  display:flex;
  justify-content:center;
  align-items:center;
}
.hero-visual img{
  max-width:440px;
  width:100%;
  filter:drop-shadow(0 30px 60px rgba(0,0,0,.4));
  animation:float 4s ease-in-out infinite;
}

@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-16px)}
}

.stats-bar{
  background:#fff;
  border-top:1px solid var(--gray-200);
  padding:40px 0;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  text-align:center;
}
.stat-item{}
.stat-number{
  font-size:clamp(28px,3vw,42px);
  font-weight:900;
  color:var(--blue);
  line-height:1;
  margin-bottom:6px;
}
.stat-label{
  font-size:14px;
  color:var(--gray-600);
  font-weight:500;
}

.features{
  padding:96px 0;
  background:var(--gray-50);
}
.features-head{text-align:center;margin-bottom:64px}

.features-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.feature-card{
  background:#fff;
  border-radius:var(--radius);
  padding:32px 28px;
  border:1px solid var(--gray-200);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.feature-card:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 48px rgba(26,108,255,.1);
  border-color:rgba(26,108,255,.2);
}
.feature-icon{
  width:52px;
  height:52px;
  background:var(--blue-light);
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:20px;
}
.feature-icon svg{width:26px;height:26px;color:var(--blue)}
.feature-card h3{
  font-size:17px;
  font-weight:700;
  margin-bottom:10px;
  color:var(--gray-800);
}
.feature-card p{
  font-size:14px;
  color:var(--gray-600);
  line-height:1.65;
}

.freedom{
  padding:96px 0;
  background:#fff;
}
.freedom-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.freedom-list{
  display:flex;
  flex-direction:column;
  gap:32px;
}
.freedom-item{
  display:flex;
  gap:18px;
  align-items:flex-start;
}
.freedom-item-icon{
  width:48px;
  height:48px;
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.freedom-item-icon svg{width:22px;height:22px;color:#fff}
.freedom-item h3{
  font-size:16px;
  font-weight:700;
  margin-bottom:6px;
  color:var(--gray-800);
}
.freedom-item p{
  font-size:14px;
  color:var(--gray-600);
  line-height:1.65;
}
.freedom-visual{
  position:relative;
  display:flex;
  justify-content:center;
}
.freedom-visual img{
  max-width:400px;
  width:100%;
  filter:drop-shadow(0 20px 40px rgba(26,108,255,.2));
}

.reviews{
  padding:96px 0;
  background:var(--gray-50);
  overflow:hidden;
}
.reviews-head{text-align:center;margin-bottom:56px}

.reviews-track-wrap{
  overflow:hidden;
  position:relative;
}
.reviews-track-wrap::before,
.reviews-track-wrap::after{
  content:'';
  position:absolute;
  top:0;bottom:0;width:80px;z-index:2;
  pointer-events:none;
}
.reviews-track-wrap::before{
  left:0;
  background:linear-gradient(to right,var(--gray-50),transparent);
}
.reviews-track-wrap::after{
  right:0;
  background:linear-gradient(to left,var(--gray-50),transparent);
}

.reviews-track{
  display:flex;
  gap:20px;
  animation:scroll-reviews 40s linear infinite;
  width:max-content;
}
.reviews-track:hover{animation-play-state:paused}

@keyframes scroll-reviews{
  0%{transform:translateX(0)}
  100%{transform:translateX(-50%)}
}

.review-card{
  background:#fff;
  border-radius:var(--radius);
  padding:28px;
  width:320px;
  flex-shrink:0;
  border:1px solid var(--gray-200);
  box-shadow:0 4px 16px rgba(0,0,0,.05);
}
.review-stars{
  display:flex;
  gap:3px;
  margin-bottom:14px;
}
.review-stars svg{
  width:16px;height:16px;
  color:#fbbf24;
  fill:#fbbf24;
}
.review-card h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:10px;
  color:var(--gray-800);
}
.review-card p{
  font-size:13px;
  color:var(--gray-600);
  line-height:1.65;
  margin-bottom:18px;
}
.review-author{
  display:flex;
  align-items:center;
  gap:10px;
}
.review-author img{
  width:36px;height:36px;
  border-radius:50%;
  object-fit:cover;
}
.review-author-name{
  font-size:14px;
  font-weight:600;
  color:var(--gray-800);
}
.review-author-title{
  font-size:12px;
  color:var(--gray-400);
}

.faq{
  padding:96px 0;
  background:#fff;
}
.faq-inner{
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:64px;
  align-items:start;
}
.faq-head{}
.faq-head .section-subtitle{margin:0;text-align:left}

.faq-list{
  display:flex;
  flex-direction:column;
  gap:0;
  border:1px solid var(--gray-200);
  border-radius:var(--radius);
  overflow:hidden;
}
.faq-item{
  border-bottom:1px solid var(--gray-200);
}
.faq-item:last-child{border-bottom:none}

.faq-question{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:20px 24px;
  background:none;
  border:none;
  cursor:pointer;
  text-align:left;
  font-size:15px;
  font-weight:600;
  color:var(--gray-800);
  transition:background .2s;
}
.faq-question:hover{background:var(--gray-50)}
.faq-question.open{color:var(--blue)}

.faq-chevron{
  width:20px;height:20px;
  flex-shrink:0;
  transition:transform .3s;
  color:var(--gray-400);
}
.faq-question.open .faq-chevron{transform:rotate(180deg);color:var(--blue)}

.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease,padding .35s ease;
  font-size:14px;
  color:var(--gray-600);
  line-height:1.7;
  padding:0 24px;
}
.faq-answer.open{
  max-height:200px;
  padding:0 24px 20px;
}

.download{
  padding:96px 0;
  background:linear-gradient(135deg,#0a1a4e,#1a6cff);
  text-align:center;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.download::before{
  content:'';
  position:absolute;
  inset:0;
  background:radial-gradient(ellipse 50% 70% at 50% 0%,rgba(100,160,255,.2) 0%,transparent 70%);
}
.download .container{position:relative}
.download .section-title{color:#fff;margin-bottom:16px}
.download .section-subtitle{color:rgba(255,255,255,.7)}

.download-platforms{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:16px;
  margin-top:48px;
}
.download-btn{
  display:inline-flex;
  align-items:center;
  gap:12px;
  background:rgba(255,255,255,.12);
  border:1.5px solid rgba(255,255,255,.25);
  border-radius:12px;
  padding:14px 22px;
  color:#fff;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s,transform .2s,border-color .2s;
  text-decoration:none;
}
.download-btn:hover{
  background:rgba(255,255,255,.22);
  border-color:rgba(255,255,255,.5);
  transform:translateY(-3px);
}
.download-btn svg{width:24px;height:24px}
.download-btn-label{display:flex;flex-direction:column;text-align:left}
.download-btn-label span:first-child{font-size:11px;font-weight:400;opacity:.8}
.download-note{
  margin-top:24px;
  font-size:12px;
  color:rgba(255,255,255,.5);
}

footer{
  background:var(--gray-800);
  color:rgba(255,255,255,.7);
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px;
  margin-bottom:48px;
}
.footer-brand{}
.footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.footer-logo svg{width:28px;height:28px}
.footer-desc{
  font-size:13px;
  line-height:1.7;
  color:rgba(255,255,255,.55);
  max-width:240px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col ul li a{
  font-size:13px;
  color:rgba(255,255,255,.55);
  transition:color .2s;
}
.footer-col ul li a:hover{color:rgba(255,255,255,.9)}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:24px;
  display:flex;
  justify-content:center;
  align-items:center;
  font-size:13px;
  color:rgba(255,255,255,.35);
}

.back-to-top{
  position:fixed;
  bottom:32px;
  right:32px;
  width:44px;
  height:44px;
  background:var(--blue);
  color:#fff;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow:0 4px 16px rgba(26,108,255,.4);
  transition:opacity .3s,transform .3s;
  border:none;
  opacity:0;
  transform:translateY(12px);
  pointer-events:none;
  z-index:999;
}
.back-to-top.visible{opacity:1;transform:translateY(0);pointer-events:auto}
.back-to-top:hover{transform:translateY(-3px)}
.back-to-top svg{width:20px;height:20px}

@media(max-width:1024px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media(max-width:768px){
  .nav-links,.nav-actions .btn{display:none}
  .nav-toggle{display:flex}

  .mobile-menu{
    position:fixed;
    top:68px;left:0;right:0;
    background:#fff;
    border-bottom:1px solid var(--gray-200);
    padding:16px 24px;
    transform:translateY(-100%);
    opacity:0;
    transition:transform .3s,opacity .3s;
    z-index:999;
    pointer-events:none;
  }
  .mobile-menu.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .mobile-menu a{
    display:block;
    padding:13px 0;
    border-bottom:1px solid var(--gray-100);
    font-size:15px;
    font-weight:500;
    color:var(--gray-800);
  }
  .mobile-menu a:last-child{border-bottom:none}
  .mobile-menu .btn{
    display:flex;
    margin-top:14px;
    width:100%;
  }

  .hero-inner{
    grid-template-columns:1fr;
    text-align:center;
    padding:60px 0 40px;
  }
  .hero-visual{order:-1}
  .hero-visual img{max-width:300px}
  .hero-list li{justify-content:center}
  .hero-actions{justify-content:center}

  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}

  .features-grid{grid-template-columns:1fr}

  .freedom-inner{
    grid-template-columns:1fr;
    gap:40px;
    text-align:center;
  }
  .freedom-item{flex-direction:column;align-items:center;text-align:center}
  .freedom-visual{order:-1}
  .freedom-visual img{max-width:280px}

  .faq-inner{grid-template-columns:1fr;gap:32px}

  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-desc{max-width:100%}

  .download-platforms{flex-direction:column;align-items:center}
  .back-to-top{bottom:20px;right:20px}

  .section-subtitle{margin:0 auto}
  .faq-head .section-subtitle{text-align:center}
  .faq-head .section-title{text-align:center}
  .faq-head .section-tag{display:block;text-align:center}
}

@media(max-width:480px){
  .hero-title{font-size:32px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}