:root{
  --bg: #070a0f;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.09);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --line: rgba(255,255,255,.12);
  --shadow: 0 18px 60px rgba(0,0,0,.45);

  /* KhiCon Online palette */
  --brand: #00e5ff;  /* cyan */
  --brand2:#7c5cff;  /* violet */
  --brand3:#22c55e;  /* green accent */

  --radius: 18px;
  --container: 1120px;

  --h1: clamp(2.25rem, 4.2vw, 3.5rem);
  --h2: clamp(1.6rem, 2.4vw, 2.25rem);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(1200px 700px at 18% 12%, rgba(124,92,255,.22), transparent 60%),
    radial-gradient(1000px 700px at 80% 18%, rgba(0,229,255,.16), transparent 58%),
    var(--bg);
  color: var(--text);
  line-height:1.55;
}

a{ color: inherit; text-decoration:none; }
p{ margin:0 0 1rem; color: var(--muted); }
h1,h2,h3{ margin:0 0 .75rem; color: var(--text); letter-spacing:-.02em; }
h1{ font-size: var(--h1); line-height:1.05; }
h2{ font-size: var(--h2); }
h3{ font-size: 1.18rem; }

.container{
  width:min(var(--container), calc(100% - 2rem));
  margin:0 auto;
}

.section{ padding: 5.1rem 0; }
.section-muted{
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.03), transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:1rem;
  margin-bottom: 2rem;
}
.section-head p{ max-width: 52ch; }

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
}
.site-header.is-elevated{
  background: rgba(7,10,15,.66);
  border-bottom-color: var(--line);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 1rem 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:.6rem;
  font-weight: 800;
  letter-spacing: -.02em;
}
.brand-mark{
  display:grid;
  place-items:center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,229,255,.95), rgba(124,92,255,.85));
  box-shadow: 0 18px 45px rgba(0,229,255,.10);
  font-weight: 900;
}
.brand-name{ color: rgba(255,255,255,.95); }

.nav{
  display:flex;
  align-items:center;
  gap: 1.1rem;
}
.nav a{
  color: var(--muted);
  font-weight: 600;
}
.nav a:hover{ color: var(--text); }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.95rem 1.1rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.2); }
.btn:active{ transform: translateY(0); }
.btn-sm{ padding:.65rem .9rem; border-radius: 12px; }

.btn-primary{
  border-color: transparent;
  background: linear-gradient(135deg, rgba(0,229,255,.95), rgba(124,92,255,.9));
  box-shadow: 0 18px 55px rgba(124,92,255,.16);
}
.btn-primary:hover{
  background: linear-gradient(135deg, rgba(0,229,255,1), rgba(124,92,255,.98));
}

.btn-ghost{ background: rgba(255,255,255,.02); }

.eyebrow{
  display:inline-flex;
  gap:.5rem;
  align-items:center;
  padding:.42rem .72rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 999px;
  font-weight: 700;
  color: rgba(255,255,255,.78);
  margin-bottom: 1rem;
}

/* Hero */
.hero{
  position:relative;
  padding: 5.6rem 0 4.2rem;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.18fr .92fr;
  gap: 2rem;
  align-items:center;
}
.subhead{ font-size: 1.05rem; max-width: 58ch; }

.hero-cta{ display:flex; gap:.9rem; flex-wrap:wrap; margin: 1.4rem 0 1.1rem; }

.trust-row{
  display:flex;
  gap:.6rem;
  flex-wrap:wrap;
}
.trust-chip{
  padding:.5rem .7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.02);
  color: rgba(255,255,255,.76);
  font-weight: 700;
  font-size: .92rem;
}

.mini-proof{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: .8rem;
  margin-top: 1.3rem;
}
.proof-item{
  padding: 1rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
}
.proof-k{ color: rgba(255,255,255,.65); font-weight:700; margin-bottom:.2rem; }
.proof-v{ color: var(--text); font-weight:900; font-size:1.45rem; margin:0 0 .15rem; }
.proof-d{ color: rgba(255,255,255,.6); font-size:.95rem; margin:0; }

/* Hero Card */
.hero-card{
  position:relative;
  border-radius: calc(var(--radius) + 10px);
  padding: 1px;
  background: linear-gradient(135deg, rgba(0,229,255,.45), rgba(124,92,255,.35), rgba(255,255,255,.08));
  box-shadow: var(--shadow);
}
.glass{
  border-radius: calc(var(--radius) + 10px);
  background: rgba(7,10,15,.62);
  border: 1px solid rgba(255,255,255,.09);
  padding: 1.4rem;
  backdrop-filter: blur(18px);
}
.card-head{ margin-bottom: 1rem; }
.card-title{ margin:0; color: rgba(255,255,255,.9); font-weight:800; }
.card-sub{ margin:.25rem 0 0; color: rgba(255,255,255,.62); }

.stat-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.stat{
  padding: 1rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
}
.stat-k{ color: rgba(255,255,255,.62); font-weight:700; margin-bottom:.2rem; }
.stat-v{ color: var(--text); font-weight:900; font-size:1.55rem; margin:0 0 .15rem; }
.stat-d{ color: rgba(255,255,255,.58); font-size:.95rem; margin:0; }

.mini-chart{
  display:flex;
  gap:.45rem;
  align-items:flex-end;
  height: 90px;
  margin-top: 1.2rem;
  padding: 1rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
}
.chart-bar{
  flex: 1;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(0,229,255,.9), rgba(124,92,255,.95));
  opacity: .92;
}
.card-note{ margin: .9rem 0 0; color: rgba(255,255,255,.68); }

/* Background glow */
.hero-bg{
  position:absolute;
  inset: -30%;
  background:
    radial-gradient(closest-side at 35% 40%, rgba(124,92,255,.16), transparent 65%),
    radial-gradient(closest-side at 70% 30%, rgba(0,229,255,.12), transparent 65%);
  pointer-events:none;
  filter: blur(10px);
}

/* Grids & Cards */
.grid{ display:grid; gap: 1rem; }
.features{ grid-template-columns: repeat(4, 1fr); }
.cards{ grid-template-columns: repeat(3, 1fr); }
.steps{ grid-template-columns: repeat(3, 1fr); }
.pricing{ grid-template-columns: repeat(3, 1fr); }

.feature, .card, .step, .price-card{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 1.2rem;
}

.bullets{
  margin: .8rem 0 0;
  padding-left: 1.1rem;
  color: rgba(255,255,255,.72);
}
.bullets li{ margin: .32rem 0; }

.card-top{ display:flex; gap:.5rem; margin-bottom:.9rem; }
.pill{
  font-size: .85rem;
  font-weight: 800;
  color: rgba(255,255,255,.86);
  padding: .28rem .55rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.pill-muted{
  color: rgba(255,255,255,.65);
  background: rgba(255,255,255,.02);
}

.metric-row{
  display:flex;
  gap: 1.2rem;
  margin-top: 1rem;
}
.metric{
  display:block;
  font-weight: 900;
  font-size: 1.3rem;
  color: rgba(255,255,255,.92);
}
.metric-label{
  display:block;
  color: rgba(255,255,255,.6);
  font-weight: 700;
  font-size: .92rem;
}

.step-num{
  width: 38px; height: 38px;
  display:grid; place-items:center;
  border-radius: 12px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  font-weight: 900;
  margin-bottom: .8rem;
}

/* Pricing */
.price-card ul{ margin: 1rem 0 1.2rem; padding-left: 1.1rem; color: rgba(255,255,255,.72); }
.price{ font-size: 2rem; font-weight: 900; margin: .2rem 0 .6rem; color: var(--text); }
.price-card.featured{
  position:relative;
  background: linear-gradient(180deg, rgba(0,229,255,.10), rgba(124,92,255,.10));
  border-color: rgba(0,229,255,.22);
  box-shadow: 0 18px 60px rgba(0,229,255,.08);
}
.badge{
  position:absolute;
  top: 1rem; right: 1rem;
  font-size: .8rem;
  font-weight: 900;
  padding: .35rem .6rem;
  border-radius: 999px;
  background: rgba(0,229,255,.10);
  border: 1px solid rgba(0,229,255,.22);
  color: rgba(255,255,255,.9);
}
.pricing-note{
  margin-top: 1.2rem;
  color: rgba(255,255,255,.62);
}

/* Contact */
.contact{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 1.5rem;
  align-items:start;
}
.contact-points{ margin-top: 1.2rem; display:grid; gap:.65rem; }
.point{ display:flex; gap:.6rem; align-items:flex-start; }
.point span{ margin-top: .1rem; }
.contact-meta{
  margin-top: 1.2rem;
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
}
.contact-meta strong{ color: rgba(255,255,255,.86); }

.form{
  padding: 1.2rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}
label{ display:grid; gap:.35rem; margin-bottom: .9rem; }
label span{ font-weight: 800; color: rgba(255,255,255,.8); font-size:.95rem; }
input, textarea{
  width: 100%;
  padding: .9rem .9rem;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(7,10,15,.55);
  color: var(--text);
  outline: none;
}
input:focus, textarea:focus{ border-color: rgba(0,229,255,.45); }
.fineprint{ font-size: .9rem; color: rgba(255,255,255,.55); margin:.8rem 0 0; }

/* Footer */
.footer{
  border-top: 1px solid var(--line);
  padding: 2.2rem 0;
  background: rgba(0,0,0,.15);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 1rem;
  flex-wrap:wrap;
}
.footer-links{ display:flex; gap: 1rem; }
.footer a{ color: rgba(255,255,255,.65); }
.footer a:hover{ color: var(--text); }

/* Mobile nav */
.mobile-toggle{ display:none; }
.icon-btn{
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  border-radius: 14px;
  padding: .65rem .7rem;
  cursor:pointer;
}
.icon-btn .bar{
  display:block;
  width: 20px;
  height: 2px;
  background: rgba(255,255,255,.82);
  margin: 4px 0;
  border-radius: 10px;
}

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

  .features{ grid-template-columns: 1fr 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .pricing{ grid-template-columns: 1fr; }

  .mobile-toggle{ display:inline-flex; }
  .nav{
    position:absolute;
    right: 1rem;
    top: 72px;
    flex-direction:column;
    align-items:stretch;
    width: min(340px, calc(100vw - 2rem));
    padding: .8rem;
    border-radius: 16px;
    background: rgba(7,10,15,.86);
    border: 1px solid rgba(255,255,255,.12);
    backdrop-filter: blur(18px);
    display:none;
  }
  .nav.is-open{ display:flex; }
  .nav a{ padding: .7rem .75rem; border-radius: 12px; }
  .nav a:hover{ background: rgba(255,255,255,.05); }
}

@media (max-width: 520px){
  .features{ grid-template-columns: 1fr; }
  .mini-proof{ grid-template-columns: 1fr; }
}