:root {
  --bg: #f6fbff;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #ffffff;
  --text: #102135;
  --muted: #5d6f82;
  --line: rgba(20, 95, 117, 0.14);
  --teal: #0aa987;
  --blue: #1677e8;
  --cyan: #dff7fb;
  --shadow: 0 24px 80px rgba(31, 90, 128, 0.15);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(10, 169, 135, 0.16), transparent 28rem),
    radial-gradient(circle at 88% 0%, rgba(22, 119, 232, 0.14), transparent 30rem),
    linear-gradient(180deg, #f8fdff 0%, #eef8fb 54%, #f7fbff 100%);
  font-family: Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  max-width: 1200px;
  margin: 18px auto 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 14px 45px rgba(25, 88, 116, 0.09);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.brand strong {
  display: block;
  font-size: 19px;
  letter-spacing: 0;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.nav a:hover {
  color: var(--text);
}

.header-cta,
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-weight: 750;
  line-height: 1;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.header-cta,
.button.primary {
  padding: 0 22px;
  color: #fff;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  box-shadow: 0 14px 30px rgba(22, 119, 232, 0.22);
}

.button.secondary {
  padding: 0 22px;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.66);
}

.header-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
  gap: 38px;
  align-items: center;
  max-width: 1200px;
  margin: 48px auto 0;
  padding: 42px 0 34px;
}

.hero-copy h1 {
  max-width: 740px;
  margin: 0;
  font-size: clamp(48px, 7vw, 92px);
  line-height: 0.95;
  letter-spacing: 0;
}

.lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 680px;
  margin: 34px 0 0;
}

.hero-facts div,
.software-card,
.product-panel,
.cloud-card,
.price-card,
.bank-card,
.support {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 60px rgba(32, 93, 125, 0.08);
  backdrop-filter: blur(16px);
}

.hero-facts div {
  padding: 18px;
}

dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

dd {
  margin: 6px 0 0;
  font-size: 20px;
  font-weight: 800;
}

.product-panel {
  position: relative;
  overflow: hidden;
  padding: 28px;
}

.panel-orbit {
  position: absolute;
  inset: -80px -120px auto auto;
  width: 260px;
  height: 260px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(10, 169, 135, 0.24), transparent 66%);
}

.doru-logo {
  position: relative;
  width: 220px;
  max-width: 70%;
  height: auto;
  object-fit: contain;
}

.product-screen {
  position: relative;
  margin-top: 24px;
  padding: 16px;
  border: 1px solid rgba(22, 119, 232, 0.13);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff, #f2fbff);
  box-shadow: var(--shadow);
}

.screen-top {
  display: flex;
  gap: 7px;
  margin-bottom: 16px;
}

.screen-top span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #b9d5e5;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.metric-row div {
  padding: 12px;
  border-radius: var(--radius);
  background: #eef9fb;
}

.metric-row strong,
.metric-row small {
  display: block;
}

.metric-row small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.receipt-preview {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  margin-top: 16px;
  padding: 14px;
  border-radius: var(--radius);
  color: #294157;
  background: #ffffff;
  font-size: 14px;
}

.product-panel p {
  margin: 20px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.section {
  max-width: 1200px;
  margin: 74px auto 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 26px;
  margin-bottom: 22px;
}

.section h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading p,
.split p,
.support p {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.software-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.72fr 0.72fr;
  gap: 16px;
}

.software-card {
  min-height: 270px;
  padding: 24px;
}

.software-card.featured {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 18px;
}

.card-icon {
  width: 74px;
  height: 74px;
  object-fit: contain;
}

.software-card h3 {
  margin: 0;
  font-size: 24px;
}

.software-card p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.software-card ul {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  color: #26475b;
  font-weight: 650;
}

.software-card li {
  padding: 12px;
  border-radius: var(--radius);
  background: #eef9fb;
}

.card-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.ghost {
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.58);
}

.soon-icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: var(--radius);
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  font-weight: 900;
}

.split {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 24px;
  align-items: stretch;
  padding: 34px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255,255,255,0.7), rgba(224,247,251,0.78));
}

.status-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--muted);
  font-weight: 750;
}

.pulse {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: var(--teal);
  box-shadow: 0 0 0 0 rgba(10, 169, 135, 0.46);
  animation: pulse 1.7s infinite;
}

.pulse.offline {
  background: #e45e5e;
  box-shadow: none;
  animation: none;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 12px rgba(10, 169, 135, 0); }
  100% { box-shadow: 0 0 0 0 rgba(10, 169, 135, 0); }
}

.cloud-card {
  display: grid;
  gap: 8px;
  padding: 24px;
}

.cloud-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.cloud-card strong {
  margin-bottom: 12px;
  font-size: 17px;
  word-break: break-word;
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.price-card,
.bank-card {
  padding: 24px;
}

.price-card span,
.bank-card span {
  color: var(--muted);
  font-weight: 800;
}

.price-card strong,
.bank-card strong {
  display: block;
  margin-top: 12px;
  font-size: 40px;
  line-height: 1;
}

.price-card p,
.bank-card p {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.emphasized {
  border-color: rgba(10, 169, 135, 0.34);
  background: linear-gradient(180deg, #ffffff, #ebfbf7);
}

.bank-card {
  color: #fff;
  background: linear-gradient(135deg, #0c2a40, #0d8e83);
}

.bank-card span,
.bank-card p {
  color: rgba(255,255,255,0.76);
}

.support {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 32px;
}

.support-phone {
  flex: 0 0 auto;
  color: var(--blue);
  font-size: 28px;
  font-weight: 900;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  max-width: 1200px;
  margin: 72px auto 0;
  padding: 30px 0 42px;
  color: var(--muted);
  font-weight: 650;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
    margin: 12px;
  }

  .nav {
    display: none;
  }

  .hero,
  .split,
  .software-grid,
  .payment-grid {
    grid-template-columns: 1fr;
  }

  .hero,
  .section,
  .footer {
    margin-left: 16px;
    margin-right: 16px;
  }

  .hero {
    padding-top: 20px;
  }

  .hero-facts,
  .software-card ul {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .support,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .product-panel {
    padding: 22px;
  }
}