* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.95), transparent 35%),
    radial-gradient(circle at 20% 20%, rgba(226,232,240,0.75), transparent 24%),
    radial-gradient(circle at top right, rgba(15,23,42,0.06), transparent 32%),
    #f3f4f6;
  color: #0f172a;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 32px;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

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

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 16px;
  background: #0f172a;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: 0 12px 30px rgba(15,23,42,0.18);
}

.brand-meta-small {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #94a3b8;
}

.brand-meta-main {
  font-size: 14px;
  font-weight: 600;
  color: #475569;
  margin-top: 2px;
}

.lang-switch {
  display: flex;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(0,0,0,0.05);
  box-shadow: 0 10px 25px rgba(15,23,42,0.06);
}

.lang-switch a {
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #64748b;
  transition: 0.2s ease;
}

.lang-switch a.active {
  background: #0f172a;
  color: white;
  box-shadow: 0 8px 20px rgba(15,23,42,0.22);
}

.lang-switch a:hover {
  background: #f1f5f9;
  color: #0f172a;
}

.lang-switch a.active:hover {
  background: #0f172a;
  color: white;
}

main {
  max-width: 1320px;
  margin: 0 auto;
  padding: 42px 24px 96px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  padding: 34px 0 84px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.75);
  color: #475569;
  font-size: 14px;
  box-shadow: 0 12px 32px rgba(15,23,42,0.06);
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
}

.hero h1 {
  margin: 26px 0 0;
  font-size: 82px;
  line-height: 0.96;
  letter-spacing: -0.05em;
  max-width: 860px;
}

.hero p {
  margin: 28px 0 0;
  max-width: 760px;
  font-size: 22px;
  line-height: 1.75;
  color: #475569;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  transition: 0.2s ease;
}

.btn-dark {
  background: #0f172a;
  color: white;
  box-shadow: 0 18px 40px rgba(15,23,42,0.22);
}

.btn-dark:hover {
  transform: translateY(-1px);
  opacity: 0.96;
}

.btn-light {
  background: rgba(255,255,255,0.9);
  color: #0f172a;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 10px 25px rgba(15,23,42,0.06);
}

.btn-light:hover {
  transform: translateY(-1px);
  background: white;
}

.metrics {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 720px;
}

.metric {
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,0.72);
  background: rgba(255,255,255,0.9);
  padding: 20px;
  box-shadow: 0 16px 35px rgba(15,23,42,0.05);
}

.metric-value {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: #0f172a;
}

.metric-label {
  margin-top: 4px;
  font-size: 14px;
  color: #64748b;
}

.hero-panel-wrap {
  position: relative;
}

.hero-panel-shadow {
  position: absolute;
  inset: 0;
  transform: translate(24px, 24px);
  border-radius: 38px;
  background: rgba(15,23,42,0.08);
  filter: blur(42px);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  border-radius: 38px;
  border: 1px solid rgba(255,255,255,0.72);
  background: rgba(255,255,255,0.92);
  padding: 26px;
  box-shadow: 0 35px 90px rgba(15,23,42,0.14);
  backdrop-filter: blur(18px);
}

.panel-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.panel-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #94a3b8;
}

.panel-title {
  margin-top: 8px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: #0f172a;
}

.panel-status {
  background: #ecfdf5;
  color: #047857;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.panel-stack {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.panel-dark-card {
  border-radius: 28px;
  background: #0f172a;
  color: white;
  padding: 24px;
  box-shadow: 0 18px 50px rgba(15,23,42,0.28);
}

.panel-dark-card .small {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #94a3b8;
}

.panel-dark-card .big {
  margin-top: 12px;
  font-size: 26px;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.panel-dark-card p {
  margin-top: 12px;
  color: #cbd5e1;
  line-height: 1.8;
  font-size: 14px;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.panel-light-card {
  border-radius: 26px;
  border: 1px solid rgba(0,0,0,0.05);
  background: #f8fafc;
  padding: 20px;
}

.panel-light-card .small,
.panel-bottom-card .small {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #94a3b8;
}

.panel-light-card .big {
  margin-top: 12px;
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
  color: #0f172a;
}

.panel-light-card p {
  margin-top: 8px;
  color: #475569;
  line-height: 1.8;
  font-size: 14px;
}

.panel-bottom-card {
  border-radius: 26px;
  border: 1px solid rgba(0,0,0,0.05);
  background: linear-gradient(to bottom right, white, #f8fafc);
  padding: 20px;
}

.panel-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.panel-bottom-title {
  margin-top: 8px;
  font-size: 22px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: #0f172a;
}

.panel-ai {
  border-radius: 18px;
  background: #0f172a;
  color: white;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 700;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 8px;
}

.feature-card {
  border-radius: 34px;
  border: 1px solid rgba(255,255,255,0.72);
  background: rgba(255,255,255,0.92);
  padding: 32px;
  box-shadow: 0 20px 45px rgba(15,23,42,0.05);
  transition: 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 70px rgba(15,23,42,0.09);
}

.eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #94a3b8;
}

.feature-card h3 {
  margin: 18px 0 0;
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: -0.04em;
  color: #0f172a;
}

.feature-card p {
  margin: 18px 0 0;
  color: #475569;
  line-height: 1.9;
}

.section-shell {
  border-radius: 40px;
  border: 1px solid rgba(255,255,255,0.72);
  background: rgba(255,255,255,0.86);
  padding: 34px;
  box-shadow: 0 28px 80px rgba(15,23,42,0.06);
  margin-top: 36px;
}

.section-shell-dark {
  border-radius: 42px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.72);
  background: #0f172a;
  color: white;
  box-shadow: 0 35px 100px rgba(15,23,42,0.24);
  margin-top: 36px;
}

.section-title {
  margin: 16px 0 0;
  font-size: 60px;
  line-height: 1.02;
  letter-spacing: -0.05em;
  color: #0f172a;
}

.section-shell-dark .section-title {
  color: white;
}

.use-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.use-card {
  border-radius: 28px;
  border: 1px solid rgba(0,0,0,0.05);
  background: #f8fafc;
  padding: 24px;
  color: #475569;
  line-height: 1.85;
  box-shadow: 0 12px 30px rgba(15,23,42,0.03);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 34px;
}

.price-card {
  border-radius: 36px;
  padding: 36px;
}

.price-card.light {
  border: 1px solid rgba(255,255,255,0.72);
  background: white;
  box-shadow: 0 24px 65px rgba(15,23,42,0.06);
}

.price-card.dark {
  border: 1px solid rgba(15,23,42,0.1);
  background: #0f172a;
  color: white;
  box-shadow: 0 30px 80px rgba(15,23,42,0.22);
}

.price-top {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #94a3b8;
}

.price-card.dark .price-top,
.price-card.dark .price-sub,
.price-card.dark p {
  color: #94a3b8;
}

.price-value {
  margin-top: 20px;
  font-size: 68px;
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.price-sub {
  margin-top: 8px;
  font-size: 14px;
  color: #64748b;
}

.price-card p {
  margin-top: 28px;
  font-size: 19px;
  line-height: 1.8;
  color: #475569;
}

.split-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  margin-top: 36px;
}

.info-card {
  border-radius: 38px;
  border: 1px solid rgba(255,255,255,0.72);
  background: rgba(255,255,255,0.92);
  padding: 36px;
  box-shadow: 0 25px 70px rgba(15,23,42,0.06);
}

.info-card.gradient {
  background: linear-gradient(to bottom right, white, #f8fafc);
}

.info-card p {
  font-size: 19px;
  line-height: 1.85;
  color: #475569;
}

.process-list {
  margin-top: 26px;
  display: grid;
  gap: 12px;
}

.process-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  border-radius: 24px;
  border: 1px solid rgba(0,0,0,0.05);
  background: white;
  padding: 16px;
  box-shadow: 0 8px 20px rgba(15,23,42,0.03);
}

.process-num {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: #0f172a;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.process-text {
  color: #475569;
  line-height: 1.7;
  padding-top: 4px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 24px;
  padding: 36px;
}

.contact-text {
  color: #cbd5e1;
  font-size: 19px;
  line-height: 1.85;
  margin-top: 22px;
  max-width: 760px;
}

.contact-box {
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  padding: 24px;
  backdrop-filter: blur(16px);
}

.contact-block {
  margin-top: 20px;
}

.contact-label {
  color: #64748b;
  font-size: 13px;
}

.contact-value {
  display: block;
  margin-top: 6px;
  color: white;
  font-size: 24px;
  font-weight: 600;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.contact-links a {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  color: #e2e8f0;
  transition: 0.2s ease;
}

.contact-links a:hover {
  background: rgba(255,255,255,0.08);
}

@media (max-width: 1100px) {
  .hero,
  .features,
  .use-grid,
  .pricing-grid,
  .split-grid,
  .contact-grid,
  .panel-grid {
    grid-template-columns: 1fr;
  }

  .hero h1,
  .section-title {
    font-size: 52px;
  }

  .metrics {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}

@media (max-width: 720px) {
  main {
    padding: 24px 16px 72px;
  }

  .topbar {
    padding: 16px;
  }

  .hero h1,
  .section-title {
    font-size: 40px;
  }

  .hero p,
  .price-card p,
  .info-card p,
  .contact-text {
    font-size: 17px;
  }

  .price-value {
    font-size: 52px;
  }

  .feature-card,
  .info-card,
  .price-card,
  .section-shell,
  .hero-panel,
  .contact-grid,
  .contact-box {
    padding: 22px;
  }
}