:root{
  --bg:#1a2238;
  --bg2:#2a3760;
  --panel:rgba(255,255,255,0.06);
  --panel2:rgba(255,255,255,0.10);
  --line:rgba(255,255,255,0.14);

  --text:#ffffff;
  --muted:#c9d2f0;
  --accent:#9aa8ff;

  --radius:16px;
  --shadow: 0 12px 30px rgba(0,0,0,0.22);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  line-height: 1.75;
  background:
    radial-gradient(circle at 80% 10%, rgba(154,168,255,0.18), transparent 40%),
    linear-gradient(180deg, var(--bg2) 0%, var(--bg) 70%);
}

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

.container{
  width: min(980px, 92vw);
  margin: 0 auto;
}

/* ===== Header ===== */
header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(26,34,56,0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 16px;
}
.logo{
  font-weight: 700;
  letter-spacing: 0.06em;
}
.nav{
  display:flex;
  gap: 16px;
  flex-wrap: wrap;
}
.nav a{
  color: var(--muted);
  font-size: 14px;
  padding: 6px 8px;
  border-radius: 10px;
}
.nav a:hover{
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

/* ===== Hero ===== */
.hero{
  padding: 58px 0 30px;
}
.hero__tag{
  display:inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.06em;
}
.hero__title{
  margin: 14px 0 10px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.18;
}
.hero__text{
  color: var(--muted);
  max-width: 62ch;
  margin: 0 0 18px;
}
.hero__cta{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero__note{
  margin-top: 14px;
  color: rgba(201,210,240,0.75);
  font-size: 12px;
}

/* ===== Sections ===== */
.section{
  padding: 42px 0;
}
.section__title{
  margin: 0 0 14px;
  font-size: 20px;
  letter-spacing: 0.04em;
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 11px 16px;
  border-radius: 14px;
  border: 1px solid rgba(154,168,255,0.38);
  background: rgba(154,168,255,0.18);
  color: var(--text);
  font-size: 14px;
  box-shadow: 0 8px 22px rgba(0,0,0,0.18);
}
.btn:hover{
  background: rgba(154,168,255,0.26);
}
.btn--sub{
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
}
.btn--sub:hover{
  background: rgba(255,255,255,0.10);
}

/* ===== Problems ===== */
.problems{
  list-style: none;
  padding: 0;
  margin: 0;
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.problems li{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
  color: var(--muted);
}

/* ===== Cards (Value) ===== */
.cards{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.card{
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.card h3{
  margin: 0 0 8px;
  font-size: 16px;
}
.card p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* ===== Features ===== */
.features{
  display:grid;
  gap: 12px;
}
.feature{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.feature h3{
  margin: 0 0 8px;
  font-size: 16px;
}
.feature p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* ===== Steps ===== */
.steps{
  margin: 0;
  padding-left: 18px;
  display:grid;
  gap: 10px;
}
.steps li{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
}
.steps strong{
  display:block;
  margin-bottom: 6px;
}
.steps p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* ===== Works ===== */
.works{
  display:grid;
  gap: 14px;
}
.work{
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.work__title{
  margin: 0 0 8px;
  font-size: 16px;
}
.work__desc{
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}
.work__links{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}
.work__links a{
  color: var(--accent);
  border-bottom: 1px dashed rgba(154,168,255,0.6);
  padding-bottom: 2px;
}
.work__links a:hover{
  color: var(--text);
  border-bottom-color: rgba(255,255,255,0.6);
}
.work--soon{
  opacity: 0.85;
}

/* ===== Contact ===== */
.contact{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.contact p{
  margin: 0 0 10px;
  color: var(--muted);
}
.contact__buttons{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}
.contact__note{
  margin-top: 12px;
  font-size: 12px;
  color: rgba(201,210,240,0.75);
}

/* ===== Footer ===== */
footer{
  border-top: 1px solid rgba(255,255,255,0.10);
  padding: 22px 0;
  color: rgba(201,210,240,0.85);
}
footer .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
}

/* ===== Responsive ===== */
@media (max-width: 760px){
  .problems{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
}