/* ----------------------------
   Design tokens (UI/UX)
---------------------------- */
:root{
  --bg: #0b1220;
  --bg2:#0e1830;
  --card:#121c33;
  --text:#eaf0ff;
  --muted:#b8c3e6;
  --line: rgba(255,255,255,.10);
  --accent:#4aa3ff;
  --accent2:#7c5cff;
  --success:#38d996;

  --radius: 18px;
  --shadow: 0 18px 70px rgba(0,0,0,.35);

  --container: 1120px;
  --gap: 24px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background: radial-gradient(1200px 600px at 20% 0%, rgba(74,163,255,.20), transparent 60%),
              radial-gradient(900px 600px at 90% 20%, rgba(124,92,255,.18), transparent 55%),
              var(--bg);
  line-height:1.55;
}

img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0 0 14px}
h1,h2,h3{margin:0 0 10px;line-height:1.1}
h1{font-size: clamp(2rem, 4vw, 3.2rem)}
h2{font-size: clamp(1.6rem, 2.6vw, 2.1rem)}
h3{font-size: 1.15rem}
ul{margin:0;padding-left:18px}

.container{
  width:min(var(--container), calc(100% - 40px));
  margin-inline:auto;
}

.sr-only{
  position:absolute; width:1px; height:1px;
  padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0);
  border:0;
}

.skip-link{
  position:absolute; left:12px; top:12px;
  padding:10px 12px;
  background: rgba(0,0,0,.7);
  border:1px solid var(--line);
  border-radius:12px;
  transform: translateY(-140%);
  transition: transform .2s ease;
  z-index:9999;
}
.skip-link:focus{transform: translateY(0)}

.header{
  position:sticky;
  top:0;
  z-index:1000;
  backdrop-filter: blur(12px);
  background: rgba(11,18,32,.55);
  border-bottom:1px solid var(--line);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
}

.brand{display:flex; gap:12px; align-items:center}
.brand__mark{
  width:38px; height:38px;
  border-radius:12px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(74,163,255,.85), rgba(124,92,255,.85));
  box-shadow: 0 10px 30px rgba(74,163,255,.18);
  font-weight:800;
}
.brand__text strong{display:block; font-size:14px}
.brand__text span{display:block; color:var(--muted); font-size:12px}

.nav{display:flex; align-items:center; gap:12px}
.nav__toggle{
  display:none;
  width:44px; height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  cursor:pointer;
}
.nav__icon{
  display:block;
  width:18px; height:2px;
  background: var(--text);
  margin:0 auto;
  position:relative;
}
.nav__icon::before,.nav__icon::after{
  content:"";
  position:absolute; left:0;
  width:18px; height:2px;
  background: var(--text);
}
.nav__icon::before{top:-6px}
.nav__icon::after{top:6px}

.nav__menu{
  display:flex;
  gap:14px;
  align-items:center;
}
.nav__link{
  color: var(--muted);
  font-size: 14px;
  padding:10px 10px;
  border-radius: 12px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav__link:hover{background: rgba(255,255,255,.05); color: var(--text)}
.nav__link--cta{
  color: var(--text);
  background: linear-gradient(135deg, rgba(74,163,255,.22), rgba(124,92,255,.18));
  border: 1px solid rgba(74,163,255,.25);
}

.hero{
  position:relative;
  padding: 74px 0 30px;
  overflow:hidden;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.2fr .9fr;
  gap: 28px;
  align-items: start;
}
.hero__bg{
  position:absolute; inset:-60px -60px auto -60px;
  height: 420px;
  background: radial-gradient(600px 300px at 20% 20%, rgba(74,163,255,.25), transparent 65%),
              radial-gradient(520px 320px at 80% 30%, rgba(124,92,255,.22), transparent 60%);
  filter: blur(24px);
  pointer-events:none;
}

.kicker{
  display:inline-flex;
  gap:10px;
  align-items:center;
  color: var(--muted);
  font-size: 13px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  margin-bottom: 14px;
}

.accent{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
}

.lead{color: var(--muted); font-size: 1.05rem; max-width: 54ch}

.hero__actions{display:flex; gap:12px; flex-wrap:wrap; margin-top: 18px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-weight: 650;
  font-size: 14px;
  cursor:pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
}
.btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.06)}
.btn:active{transform: translateY(0)}
.btn--primary{
  background: linear-gradient(135deg, rgba(74,163,255,.9), rgba(124,92,255,.75));
  border-color: rgba(255,255,255,.12);
}
.btn--ghost{
  background: rgba(255,255,255,.03);
}
.btn--block{width:100%}

.trust{
  display:flex;
  gap: 10px 18px;
  flex-wrap:wrap;
  list-style:none;
  padding:0;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.trust li{
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
}

.card{
  background: linear-gradient(180deg, rgba(18,28,51,.9), rgba(18,28,51,.65));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.card--soft{
  background: rgba(255,255,255,.03);
  box-shadow:none;
}

.metric-grid{
  margin-top: 14px;
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
}
.metric{
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.02);
}
.metric__num{display:block; font-size: 20px; font-weight: 800}
.metric__lbl{display:block; font-size: 12px; color: var(--muted)}

.card__note{
  margin-top: 14px;
  display:flex; gap:10px;
  align-items:flex-start;
  padding: 12px;
  border-radius: 16px;
  border: 1px dashed rgba(56,217,150,.35);
  background: rgba(56,217,150,.06);
}
.dot{
  width:10px; height:10px; border-radius:99px; margin-top:6px;
  background: var(--success);
  box-shadow: 0 0 0 6px rgba(56,217,150,.10);
}

.section{
  padding: 56px 0;
}
.section--muted{
  background: linear-gradient(180deg, rgba(255,255,255,.02), transparent);
  border-top:1px solid rgba(255,255,255,.04);
  border-bottom:1px solid rgba(255,255,255,.04);
}
.section__head{
  margin-bottom: 18px;
}
.section__head p{color: var(--muted); max-width: 70ch}

.grid{
  display:grid;
  gap: var(--gap);
}
.grid--3{grid-template-columns: repeat(3, minmax(0,1fr))}
.grid--2{grid-template-columns: repeat(2, minmax(0,1fr))}

.tile{
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.list{color: var(--muted); margin-top: 10px}
.list li{margin: 6px 0}

.steps{
  list-style:none;
  padding:0;
  margin: 0;
  display:grid;
  gap: 14px;
}
.steps__item{
  display:grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.steps__num{
  width:44px;height:44px;
  border-radius: 16px;
  display:grid;place-items:center;
  background: linear-gradient(135deg, rgba(74,163,255,.22), rgba(124,92,255,.18));
  border: 1px solid rgba(74,163,255,.20);
  font-weight: 900;
}

.panel{
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.checklist{
  list-style:none;
  padding:0;
  margin: 10px 0 0;
  color: var(--muted);
}
.checklist li{
  margin: 8px 0;
  padding-left: 22px;
  position:relative;
}
.checklist li::before{
  content:"✓";
  position:absolute;
  left:0; top:0;
  color: var(--success);
  font-weight: 900;
}

.faq{
  display:grid;
  gap: 10px;
}
.faq__item{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  padding: 10px 14px;
}
.faq__item summary{
  cursor:pointer;
  font-weight: 700;
  padding: 8px 0;
}
.faq__item p{color: var(--muted); margin: 0 0 10px}

.contact{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: var(--gap);
  align-items:start;
}

.form{
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.form__row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
label{display:block; font-size: 13px; color: var(--muted); margin-bottom: 12px}
input,select,textarea{
  width:100%;
  margin-top: 8px;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.22);
  color: var(--text);
  outline:none;
}
input:focus,select:focus,textarea:focus{
  border-color: rgba(74,163,255,.55);
  box-shadow: 0 0 0 4px rgba(74,163,255,.12);
}
textarea{resize: vertical; min-height: 120px}

.form__actions{
  display:flex;
  align-items:center;
  gap: 12px;
  flex-wrap: wrap;
}

.form__status{
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.fine{color: var(--muted); font-size: 12.5px}

.footer{
  border-top: 1px solid var(--line);
  padding: 22px 0;
  background: rgba(0,0,0,.08);
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color: var(--muted);
  font-size: 13px;
}
.footer__links{display:flex; gap:12px}
.footer__links a{color: var(--muted)}
.footer__links a:hover{color: var(--text)}

.fab{
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display:grid;
  place-items:center;
  background: linear-gradient(135deg, rgba(56,217,150,.95), rgba(74,163,255,.75));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 18px 60px rgba(0,0,0,.35);
  z-index: 1200;
}
.fab:hover{transform: translateY(-1px)}
.fab span{font-size: 22px}

/* ----------------------------
   Responsive
---------------------------- */
@media (max-width: 920px){
  .hero__grid{grid-template-columns: 1fr; }
  .contact{grid-template-columns: 1fr}
  .grid--3{grid-template-columns: 1fr}
  .grid--2{grid-template-columns: 1fr}
}
@media (max-width: 720px){
  .nav__toggle{display:inline-flex; align-items:center; justify-content:center}
  .nav__menu{
    position:absolute;
    right: 20px;
    top: 70px;
    width: min(360px, calc(100vw - 40px));
    display:none;
    flex-direction:column;
    align-items:stretch;
    padding: 10px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(11,18,32,.92);
    backdrop-filter: blur(12px);
  }
  .nav__menu.is-open{display:flex}
  .nav__link{padding: 12px 12px}
  .form__row{grid-template-columns: 1fr}
  .footer__inner{flex-direction:column; align-items:flex-start}
}

/* Reduce motion (a11y) */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{transition:none !important; animation:none !important}
}