* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Inter, Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: #020617;
  color: #fff;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 8%, rgba(34,197,94,.28), transparent 28%),
    radial-gradient(circle at 85% 16%, rgba(59,130,246,.18), transparent 30%),
    radial-gradient(circle at 50% 95%, rgba(34,197,94,.12), transparent 35%);
}

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

.navbar {
  height: 78px;
  padding: 0 8%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(2,6,23,.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  position: sticky;
  top: 0;
  z-index: 20;
}

.logo {
  font-size: 26px;
  font-weight: 900;
}

.logo span {
  color: #22c55e;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #cbd5e1;
  font-size: 14px;
}

.btn,
.btn-small,
.btn-outline {
  border: none;
  cursor: pointer;
  display: inline-block;
  border-radius: 14px;
  font-weight: 900;
}

.btn {
  padding: 13px 22px;
  background: linear-gradient(135deg, #22c55e, #86efac);
  color: #03110a;
  box-shadow: 0 0 30px rgba(34,197,94,.35);
}

.btn-small {
  padding: 10px 16px;
  background: linear-gradient(135deg, #22c55e, #86efac);
  color: #03110a;
}

.btn-outline {
  padding: 13px 22px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  color: #e5e7eb;
}

.full {
  width: 100%;
  text-align: center;
}

.hero {
  min-height: calc(100vh - 78px);
  padding: 70px 8%;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 55px;
  align-items: center;
}

.badge {
  display: inline-flex;
  padding: 9px 14px;
  border: 1px solid rgba(34,197,94,.25);
  background: rgba(34,197,94,.08);
  color: #86efac;
  border-radius: 999px;
  font-size: 13px;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: 64px;
  line-height: 1.05;
  letter-spacing: -2px;
}

.hero h1 span {
  background: linear-gradient(135deg, #22c55e, #bbf7d0);
  -webkit-background-clip: text;
  color: transparent;
}

.hero p {
  margin: 24px 0 32px;
  color: #94a3b8;
  font-size: 18px;
  line-height: 1.8;
  max-width: 620px;
}

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

.trust {
  margin-top: 38px;
  display: flex;
  gap: 26px;
  color: #94a3b8;
  font-size: 14px;
  flex-wrap: wrap;
}

.trust b {
  display: block;
  color: white;
  font-size: 20px;
}

.hero-right {
  position: relative;
}

.glow {
  position: absolute;
  inset: 35px;
  background: #22c55e;
  filter: blur(90px);
  opacity: .23;
  z-index: -1;
}

.phone-card {
  max-width: 430px;
  margin: auto;
  padding: 22px;
  border-radius: 36px;
  background: linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 30px 80px rgba(0,0,0,.55);
}

.topline {
  display: flex;
  justify-content: space-between;
  margin-bottom: 22px;
  color: #94a3b8;
  font-size: 13px;
}

.invoice-preview {
  background: linear-gradient(180deg, #0f172a, #020617);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 24px;
  padding: 22px;
  text-align: center;
}

.fake-qr {
  width: 190px;
  height: 190px;
  margin: 20px auto;
  border-radius: 18px;
  background:
    linear-gradient(90deg, #111 10px, transparent 10px) 0 0/30px 30px,
    linear-gradient(#111 10px, transparent 10px) 0 0/30px 30px,
    white;
}

.fake-qr.big {
  width: 230px;
  height: 230px;
}

.status {
  margin-top: 14px;
  display: inline-block;
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 13px;
}

.pending {
  background: rgba(250,204,21,.12);
  color: #facc15;
}

.paid {
  background: rgba(34,197,94,.12);
  color: #22c55e;
}

.expired {
  background: rgba(239,68,68,.12);
  color: #ef4444;
}

.mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 14px;
}

.mini-grid div {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255,255,255,.04);
  color: #94a3b8;
  font-size: 12px;
}

.mini-grid b {
  display: block;
  color: white;
  font-size: 18px;
  margin-top: 5px;
}

.section {
  padding: 85px 8%;
}

.section h2 {
  font-size: 42px;
  text-align: center;
  margin-bottom: 14px;
}

.section > p {
  color: #94a3b8;
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

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

.card,
.price-card,
.docs-box,
.invoice-card,
.auth-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 24px;
  padding: 28px;
}

.card {
  transition: .25s;
}

.card:hover,
.price-card:hover {
  transform: translateY(-8px);
  border-color: rgba(34,197,94,.35);
  box-shadow: 0 0 35px rgba(34,197,94,.12);
}

.card h3 {
  margin-bottom: 12px;
}

.card p,
.price-card p {
  color: #94a3b8;
  line-height: 1.7;
  font-size: 14px;
}

.cta {
  margin: 40px 8% 85px;
  padding: 55px;
  text-align: center;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(34,197,94,.15), rgba(59,130,246,.08));
  border: 1px solid rgba(255,255,255,.08);
}

.cta h2 {
  font-size: 38px;
  margin-bottom: 14px;
}

.cta p {
  color: #94a3b8;
  margin-bottom: 25px;
}

.footer {
  padding: 35px 8%;
  color: #64748b;
  border-top: 1px solid rgba(255,255,255,.08);
  text-align: center;
}

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 25px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  box-shadow: 0 25px 80px rgba(0,0,0,.55);
}

.auth-logo {
  display: inline-block;
  margin-bottom: 25px;
}

.auth-card h2 {
  font-size: 30px;
  margin-bottom: 10px;
}

.auth-card p,
.auth-card small {
  color: #94a3b8;
}

.auth-card form {
  margin: 25px 0;
}

input {
  width: 100%;
  padding: 15px 16px;
  margin-bottom: 14px;
  border-radius: 14px;
  background: #0f172a;
  border: 1px solid rgba(255,255,255,.1);
  color: white;
  outline: none;
}

.auth-card small a {
  color: #86efac;
}

.invoice-page {
  padding: 80px 8%;
  display: grid;
  grid-template-columns: .8fr 1fr;
  gap: 25px;
  align-items: start;
}

.invoice-card.center {
  text-align: center;
}

.invoice-card h2,
.invoice-card h3 {
  margin-bottom: 12px;
}

.invoice-card p {
  color: #94a3b8;
  margin-bottom: 20px;
}

.invoice-actions {
  margin-top: 22px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.docs-box {
  margin-bottom: 24px;
  overflow: hidden;
  padding: 0;
}

.docs-title {
  background: #0f172a;
  color: #94a3b8;
  padding: 18px 22px;
}

pre {
  padding: 22px;
  color: #bbf7d0;
  overflow: auto;
  line-height: 1.7;
}

.price-card {
  position: relative;
  transition: .25s;
}

.price-card h3 {
  font-size: 24px;
}

.price-card h1 {
  font-size: 42px;
  margin: 18px 0 5px;
}

.price-card ul {
  margin: 24px 0;
  list-style: none;
  color: #cbd5e1;
  line-height: 2;
}

.popular {
  border-color: rgba(34,197,94,.5);
}

.popular-label {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(34,197,94,.12);
  color: #86efac;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
}

@media(max-width:900px) {
  .hero,
  .cards,
  .pricing-grid,
  .invoice-page {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 44px;
  }

  .nav a:not(.btn-small) {
    display: none;
  }

  .section {
    padding: 65px 6%;
  }

  .cta {
    margin: 30px 6%;
    padding: 35px 20px;
  }
}