:root{
  --bg:#0f1020;
  --bg-2:#161833;
  --panel:rgba(255,255,255,0.08);
  --panel-strong:rgba(255,255,255,0.13);
  --text:#f6f7ff;
  --muted:#c5caec;
  --line:rgba(255,255,255,0.14);
  --grad-1:#7b5cff;
  --grad-2:#19c6ff;
  --grad-3:#ff5ea8;
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --radius:20px;
  --max:1200px;
}

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

html{
  scroll-behavior:smooth;
}

body{
  font-family:Inter,Arial,Helvetica,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(123,92,255,.28), transparent 30%),
    radial-gradient(circle at top right, rgba(25,198,255,.18), transparent 28%),
    radial-gradient(circle at bottom left, rgba(255,94,168,.14), transparent 30%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  line-height:1.75;
  overflow-x:hidden;
}

img{
  display:block;
  max-width:100%;
  height:auto;
}

a{
  color:inherit;
  text-decoration:none;
}

.container{
  width:min(92%, var(--max));
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  transition:.35s ease;
  border-bottom:1px solid transparent;
}

.site-header.scrolled{
  background:rgba(10,12,27,.76);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}

.nav{
  min-height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  transition:.35s ease;
}

.site-header.scrolled .nav{
  min-height:72px;
}

.logo{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:22px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.logo-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  background:linear-gradient(135deg, var(--grad-1), var(--grad-2));
  box-shadow:0 12px 30px rgba(123,92,255,.28);
}

.menu-toggle{
  display:none;
  background:none;
  border:none;
  color:#fff;
  font-size:28px;
  cursor:pointer;
}

.nav-links{
  list-style:none;
  display:flex;
  align-items:center;
  gap:14px;
}

.nav-links a{
  color:var(--muted);
  padding:10px 14px;
  border-radius:999px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.03em;
  transition:.25s ease;
}

.nav-links a:hover,
.nav-links a.active{
  color:#fff;
  background:rgba(255,255,255,.08);
}

.hero{
  padding:48px 0 34px;
}

.hero-shell{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:32px;
  align-items:stretch;
}

.hero-copy,
.hero-slider{
  min-height:560px;
}

.glass{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(10px);
}

.hero-copy{
  padding:42px;
  position:relative;
  overflow:hidden;
}

.hero-copy::before{
  content:"";
  position:absolute;
  inset:auto -80px -80px auto;
  width:240px;
  height:240px;
  background:radial-gradient(circle, rgba(255,255,255,.14), transparent 60%);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:9px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--muted);
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:20px;
}

.hero-copy h1{
  font-size:clamp(2.6rem, 5vw, 5rem);
  line-height:1.02;
  margin-bottom:18px;
  letter-spacing:-.04em;
}

.hero-copy p{
  font-size:1.05rem;
  color:var(--muted);
  max-width:60ch;
}

.hero-actions{
  margin-top:28px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:15px 22px;
  border-radius:16px;
  font-weight:800;
  transition:.25s ease;
  border:1px solid transparent;
}

.btn-primary{
  color:#fff;
  background:linear-gradient(135deg, var(--grad-1), var(--grad-3));
  box-shadow:0 14px 30px rgba(123,92,255,.28);
}

.btn-primary:hover{
  transform:translateY(-2px);
  filter:brightness(1.05);
}

.btn-secondary{
  color:#fff;
  background:rgba(255,255,255,.05);
  border-color:var(--line);
}

.btn-secondary:hover{
  background:rgba(255,255,255,.09);
}

.hero-slider{
  position:relative;
  overflow:hidden;
}

.slides{
  display:flex;
  height:100%;
  transition:transform .65s ease;
}

.slide{
  min-width:100%;
  position:relative;
  isolation:isolate;
}

.slide img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.slide::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,.05), rgba(0,0,0,.55));
}

.slide-caption{
  position:absolute;
  left:22px;
  right:22px;
  bottom:22px;
  z-index:1;
  padding:18px 20px;
  border-radius:18px;
  background:rgba(9,11,24,.52);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(8px);
}

.slide-caption h3{
  margin-bottom:6px;
  font-size:1.1rem;
}

.slide-caption p{
  color:#dde1f9;
  font-size:.96rem;
}

.slider-controls{
  position:absolute;
  top:18px;
  right:18px;
  z-index:2;
  display:flex;
  gap:8px;
}

.slider-btn{
  width:42px;
  height:42px;
  border:none;
  border-radius:50%;
  color:#fff;
  cursor:pointer;
  background:rgba(9,11,24,.55);
  border:1px solid rgba(255,255,255,.15);
  backdrop-filter:blur(8px);
}

.slider-dots{
  position:absolute;
  left:22px;
  bottom:116px;
  z-index:2;
  display:flex;
  gap:8px;
}

.slider-dots button{
  width:11px;
  height:11px;
  border:none;
  border-radius:50%;
  cursor:pointer;
  background:rgba(255,255,255,.34);
}

.slider-dots button.active{
  background:#fff;
}

.section{
  padding:76px 0;
}

.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}

.section-head h2{
  font-size:clamp(2rem, 3vw, 3rem);
  line-height:1.05;
  letter-spacing:-.03em;
}

.section-head p{
  max-width:58ch;
  color:var(--muted);
}

.feature-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:22px;
}

.feature-card{
  border-radius:24px;
  overflow:hidden;
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:.35s ease;
}

.feature-card:hover{
  transform:translateY(-8px);
}

.feature-card img{
  width:100%;
  height:250px;
  object-fit:cover;
  transition:transform .45s ease;
}

.feature-card:hover img{
  transform:scale(1.05);
}

.feature-copy{
  padding:22px;
}

.feature-copy h3{
  margin-bottom:10px;
}

.feature-copy p{
  color:var(--muted);
}

.content-layout{
  display:grid;
  grid-template-columns:1.45fr .85fr;
  gap:28px;
}

.article-panel{
  padding:28px;
  border-radius:26px;
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.article-panel p{
  margin-bottom:18px;
  color:#e1e5fb;
}

.article-panel h2{
  margin:30px 0 14px;
  font-size:1.6rem;
}

.sidebar{
  display:grid;
  gap:18px;
}

.side-box{
  padding:24px;
  border-radius:24px;
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.side-box h3{
  margin-bottom:12px;
}

.side-box p,
.side-box li{
  color:var(--muted);
}

.side-box ul{
  list-style:none;
  display:grid;
  gap:12px;
}

.side-box li{
  padding-left:18px;
  position:relative;
}

.side-box li::before{
  content:"•";
  position:absolute;
  left:0;
  color:var(--grad-2);
}

.accordion{
  display:grid;
  gap:14px;
}

.accordion-item{
  border-radius:20px;
  overflow:hidden;
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.accordion-btn{
  width:100%;
  border:none;
  background:transparent;
  color:#fff;
  text-align:left;
  font-size:1rem;
  font-weight:800;
  padding:20px 22px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.accordion-btn span:last-child{
  transition:transform .25s ease;
}

.accordion-item.open .accordion-btn span:last-child{
  transform:rotate(45deg);
}

.accordion-content{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}

.accordion-inner{
  padding:0 22px 22px;
  color:var(--muted);
}

.page-hero{
  padding:52px 0 26px;
}

.page-hero-shell{
  padding:34px;
  border-radius:28px;
  background:linear-gradient(135deg, rgba(123,92,255,.22), rgba(25,198,255,.12), rgba(255,94,168,.14));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.page-hero h1{
  font-size:clamp(2.3rem, 4vw, 4.3rem);
  line-height:1.04;
  letter-spacing:-.03em;
  margin-bottom:12px;
}

.page-hero p{
  max-width:68ch;
  color:#e2e6fb;
}

.page-cover{
  margin:24px 0 0;
  border-radius:26px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.page-cover img{
  width:100%;
  height:420px;
  object-fit:cover;
}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px;
}

.contact-card,
.form-card{
  padding:30px;
  border-radius:26px;
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.contact-card h2,
.form-card h2{
  font-size:clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom:14px;
}

.contact-card p,
.form-card p{
  color:var(--muted);
  margin-bottom:16px;
}

.contact-points{
  list-style:none;
  display:grid;
  gap:14px;
  margin-top:20px;
}

.contact-points li{
  padding:16px 18px;
  border-radius:18px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
}

form{
  display:grid;
  gap:16px;
}

.field{
  display:grid;
  gap:8px;
}

label{
  font-size:14px;
  font-weight:700;
}

input,
textarea{
  width:100%;
  border:none;
  outline:none;
  color:#fff;
  padding:16px 18px;
  border-radius:16px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
}

textarea{
  resize:vertical;
  min-height:180px;
}

.footer{
  padding:24px 0 46px;
  color:var(--muted);
}

.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding-top:22px;
}

.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s ease, transform .7s ease;
}

.reveal.visible{
  opacity:1;
  transform:none;
}

@media (max-width:980px){
  .hero-shell,
  .feature-grid,
  .content-layout,
  .contact-grid{
    grid-template-columns:1fr;
  }

  .hero-copy,
  .hero-slider{
    min-height:auto;
  }

  .page-cover img{
    height:300px;
  }
}

@media (max-width:760px){
  .menu-toggle{
    display:block;
  }

  .nav{
    position:relative;
  }

  .nav-links{
    position:absolute;
    top:88px;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:14px;
    background:rgba(10,12,27,.96);
    border-bottom:1px solid var(--line);
  }

  .nav-links.show{
    display:flex;
  }

  .hero-copy{
    padding:26px;
  }

  .hero-copy h1{
    font-size:2.3rem;
  }

  .feature-card img{
    height:220px;
  }

  .section{
    padding:58px 0;
  }
}