/* Basic reset */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

:root{
  --bg: #0f1115;
  --card: #151924;
  --muted: #8b95a7;
  --text: #e6ebf2;
  --brand: #8aa1ff;
  --brand-ink: #2a3cff;
  --ring: rgba(138,161,255,.35);
  --maxw: 1080px;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

body{
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, "Helvetica Neue", Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 800px at 100% -10%, #1a1f2d 0, transparent 60%) no-repeat, var(--bg);
}

/* Header */
.site-header{
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 16px 24px; background: rgba(15,17,21,.6); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.brand{ display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); text-decoration: none; }
.brand img{ filter: drop-shadow(0 4px 10px rgba(42,60,255,.5)); }

.nav__list{ display: flex; list-style: none; gap: 22px; margin: 0; padding: 0; }
.nav__list a{ color: var(--muted); text-decoration: none; font-weight: 600; }
.nav__list a:hover, .nav__list a:focus{ color: var(--text); outline: none; text-decoration: underline; text-underline-offset: 4px; }
.nav__toggle{ display:none; }

/* Hero */
.hero{
  max-width: var(--maxw); margin: 64px auto; padding: 40px 24px;
}
.hero__text h1{ font-size: clamp(32px, 5vw, 54px); line-height: 1.1; margin: 0 0 12px; }
.hero__text p{ color: var(--muted); margin: 0 0 18px; }
.cta{ display: flex; gap: 12px; flex-wrap: wrap; }

.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 18px; border-radius: 999px; font-weight: 700;
  background: linear-gradient(180deg, var(--brand), var(--brand-ink));
  color: white; text-decoration: none; box-shadow: 0 10px 20px var(--ring);
}
.btn:hover{ transform: translateY(-1px); }
.btn--ghost{
  background: transparent; color: var(--text); border: 1px solid rgba(255,255,255,.15); box-shadow: none;
}

/* Sections */
.section{ padding: 32px 24px; max-width: var(--maxw); margin: 0 auto; }
.section__head h2{ margin: 0 0 6px; font-size: 26px; }
.section__head p{ margin: 0 0 22px; color: var(--muted); }

.grid{
  display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px;
}
.card{
  background: linear-gradient(180deg, #1b2130, #141925);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
}
.card h3{ margin: 0 0 8px; font-size: 20px; }
.card p{ margin: 0 0 10px; color: var(--muted); }
.tags{ display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style:none; }
.tags li{
  font-size: 12px; padding: 6px 10px; border: 1px solid rgba(255,255,255,.06);
  border-radius: 999px; color: var(--muted);
}

/* About */
.cols{ display:grid; grid-template-columns: 1.2fr .8fr; gap: 24px; }
.list{ margin:0; padding-left: 18px; color: var(--muted); }

/* Invoices */
.invoice-list{ display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.invoice{
  display:flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 16px; border: 1px solid rgba(255,255,255,.06); border-radius: 12px;
  background: #121726; box-shadow: var(--shadow);
}
.invoice__meta{ display:flex; flex-direction: column; gap: 2px; min-width:0; }
.invoice__meta strong{ white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.invoice__meta span{ color: var(--muted); font-size: 14px; }
.invoice a.btn{ padding: 8px 12px; box-shadow: none; }

/* Contact */
.contact{ display:flex; gap: 12px; flex-wrap: wrap; }

/* Footer */
.site-footer{ border-top: 1px solid rgba(255,255,255,.06); padding: 24px; color: var(--muted); text-align: center; margin-top: 40px; }

/* Responsive */
@media (max-width: 900px){
  .grid{ grid-template-columns: 1fr 1fr; }
  .cols{ grid-template-columns: 1fr; }
  .invoice-list{ grid-template-columns: 1fr; }
}
@media (max-width: 620px){
  .nav__toggle{ display:block; background:transparent; border:1px solid rgba(255,255,255,.2); color:var(--text); padding:8px 10px; border-radius:8px; }
  .nav__list{ display:none; position:absolute; right:16px; top:64px; background:#121726; padding:14px; border-radius:10px; border:1px solid rgba(255,255,255,.08); }
  .nav__list.show{ display:block; }
}


/* Payment Methods */
.payment-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.payment-logos img {
  opacity: 0.9;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.payment-logos img:hover {
  opacity: 1;
  transform: scale(1.05);
}


/* Payment Methods - refined */
.payment-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.payment-logos img {
  border-radius: 8px;
  height: auto;
  width: 90px;
  object-fit: contain;
  background: #121726;
  padding: 6px;
  transition: transform 0.2s ease, opacity 0.2s ease;
  opacity: 0.85;
}
.payment-logos img:hover {
  transform: scale(1.05);
  opacity: 1;
}


/* Tagline */
.tagline{ color: var(--muted); margin: 8px 0 14px; font-weight: 600; }