:root {
  --bg: #080d1c;
  --bg2: #0d1430;
  --card: #111a33;
  --card2: #0f1730;
  --text: #edf3ff;
  --muted: #b8c3e6;
  --line: rgba(255, 255, 255, 0.11);
  --accent: #63b3ff;
  --accent2: #7c5cff;
  --ok: #46e6a7;
  --warn: #ffd166;
  --danger: #ff6b6b;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --radius: 20px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Arial,
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(
      1000px 700px at 10% 8%,
      rgba(99, 179, 255, 0.2),
      transparent 58%
    ),
    radial-gradient(
      900px 650px at 88% 14%,
      rgba(124, 92, 255, 0.18),
      transparent 58%
    ),
    radial-gradient(
      800px 600px at 50% 95%,
      rgba(70, 230, 167, 0.11),
      transparent 60%
    ),
    linear-gradient(180deg, var(--bg), var(--bg2));
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 22px 18px 56px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0 16px;
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 14px 35px rgba(99, 179, 255, 0.22);
  position: relative;
}

.logo:before {
  content: "";
  position: absolute;
  left: 17px;
  top: 7px;
  width: 7px;
  height: 25px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  transform: skewX(-18deg);
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.35);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  flex-wrap: wrap;
  color: var(--muted);
  font-weight: 750;
  font-size: 14px;
}

.nav a {
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}

.lang img {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  cursor: pointer;
  margin-left: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.1s;
}

.lang img:hover {
  transform: scale(1.1);
}

.nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line);
}

.nav .support {
  color: var(--text);
  background: linear-gradient(
    135deg,
    rgba(99, 179, 255, 0.25),
    rgba(124, 92, 255, 0.22)
  );
  border-color: rgba(255, 255, 255, 0.14);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  align-items: stretch;
  margin-top: 12px;
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .topbar {
    position: relative;
    align-items: flex-start;
    flex-direction: column;
  }
  .nav {
    justify-content: flex-start;
  }
}

.heroCard,
.previewCard,
.section,
.card {
  border: 1px solid var(--line);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.055),
    rgba(255, 255, 255, 0.025)
  );
  box-shadow: var(--shadow);
}

.heroCard {
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.heroCard:before {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  right: -310px;
  top: -360px;
  background: radial-gradient(
    circle,
    rgba(99, 179, 255, 0.24),
    transparent 62%
  );
}

.heroCard > * {
  position: relative;
}

.kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 15px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.2px;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 14px;
  max-width: 780px;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: -1.4px;
}

.subtitle {
  max-width: 68ch;
  color: var(--muted);
  font-size: 18px;
  margin: 0;
}

.highlight {
  color: var(--text);
  font-weight: 800;
}

.ctaRow {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 16px;
  border-radius: 15px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
  font-weight: 850;
  letter-spacing: 0.1px;
  transition:
    transform 0.15s ease,
    background 0.15s ease,
    border-color 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.2);
}

.btnPrimary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 18px 45px rgba(99, 179, 255, 0.18);
}

.btnPrimary:hover {
  background: linear-gradient(135deg, #7cc3ff, #8d75ff);
}

.btnCoffee {
  background: linear-gradient(
    135deg,
    rgba(255, 209, 102, 0.95),
    rgba(255, 152, 102, 0.92)
  );
  color: #16100a;
  border-color: transparent;
}

.btnIcon {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.18);
}

.miniNote {
  margin-top: 15px;
  color: var(--muted);
  font-size: 13px;
}

.trustRow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 24px;
}

@media (max-width: 700px) {
  .heroCard {
    padding: 24px;
    min-height: auto;
  }
  .trustRow {
    grid-template-columns: 1fr;
  }
}

.trustItem {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  padding: 13px;
}

.trustItem b {
  display: block;
  margin-bottom: 4px;
}
.trustItem span {
  color: var(--muted);
  font-size: 13px;
}

.previewCard {
  border-radius: var(--radius);
  padding: 17px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 100%;
}

.previewTop {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 6px rgba(70, 230, 167, 0.1);
}

.mockup {
  flex: 1;
  min-height: 340px;
  border-radius: 19px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    rgba(255, 255, 255, 0.035);
  background-size: 24px 24px;
  position: relative;
  overflow: hidden;
  padding: 18px;
}

.mockWindow {
  height: 100%;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(8, 13, 28, 0.72);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mockToolbar {
  display: flex;
  gap: 7px;
}

.mockToolbar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
}

.scheme {
  flex: 1;
  position: relative;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px dashed rgba(255, 255, 255, 0.14);
}

.wire {
  position: absolute;
  background: var(--accent);
  opacity: 0.9;
  border-radius: 4px;
  box-shadow: 0 0 18px rgba(99, 179, 255, 0.25);
}

.wire.w1 {
  left: 18%;
  top: 24%;
  width: 50%;
  height: 3px;
}
.wire.w2 {
  left: 68%;
  top: 24%;
  width: 3px;
  height: 42%;
}
.wire.w3 {
  left: 32%;
  top: 66%;
  width: 36%;
  height: 3px;
}
.wire.w4 {
  left: 32%;
  top: 40%;
  width: 3px;
  height: 26%;
}

.node {
  position: absolute;
  width: 64px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(
    180deg,
    rgba(99, 179, 255, 0.22),
    rgba(124, 92, 255, 0.14)
  );
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 900;
  color: var(--text);
}

.node.n1 {
  left: 8%;
  top: 16%;
}
.node.n2 {
  right: 13%;
  top: 16%;
}
.node.n3 {
  left: 22%;
  bottom: 18%;
}
.node.n4 {
  right: 13%;
  bottom: 18%;
}

.previewGrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.stat {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  padding: 13px;
}

.stat b {
  display: block;
  margin-bottom: 5px;
}
.stat span {
  color: var(--muted);
  font-size: 13px;
}

.section {
  margin-top: 22px;
  border-radius: var(--radius);
  padding: 22px;
}

.sectionHeader {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 16px;
}

@media (max-width: 720px) {
  .sectionHeader {
    flex-direction: column;
    align-items: flex-start;
  }
}

.section h2 {
  margin: 0 0 6px;
  font-size: 26px;
  letter-spacing: -0.5px;
}

.section p {
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}

.col3 {
  grid-column: span 3;
}
.col4 {
  grid-column: span 4;
}
.col6 {
  grid-column: span 6;
}
.col8 {
  grid-column: span 8;
}
.col12 {
  grid-column: span 12;
}

@media (max-width: 920px) {
  .col3,
  .col4,
  .col6,
  .col8 {
    grid-column: span 12;
  }
}

.card {
  border-radius: 18px;
  padding: 17px;
  min-height: 100%;
  box-shadow: none;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}
.card p,
.card li {
  color: var(--muted);
  font-size: 14px;
}

ul {
  margin: 10px 0 0 18px;
  padding: 0;
}
li {
  margin: 6px 0;
}

.problemCard {
  background: linear-gradient(
    180deg,
    rgba(255, 107, 107, 0.09),
    rgba(255, 255, 255, 0.025)
  );
}

.solutionCard {
  background: linear-gradient(
    180deg,
    rgba(70, 230, 167, 0.09),
    rgba(255, 255, 255, 0.025)
  );
}

.tag {
  display: inline-flex;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  margin-bottom: 10px;
}

.priceHint {
  color: var(--warn);
  font-weight: 850;
}

.finalCta {
  margin-top: 22px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    radial-gradient(
      650px 360px at 18% 10%,
      rgba(99, 179, 255, 0.18),
      transparent 60%
    ),
    linear-gradient(135deg, rgba(99, 179, 255, 0.14), rgba(124, 92, 255, 0.13));
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow);
}

.finalCta h2 {
  margin: 0 0 8px;
  font-size: 30px;
}
.finalCta p {
  margin: 0 auto;
  max-width: 64ch;
  color: var(--muted);
}

.footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
section {
  scroll-margin-top: 95px;
}