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

body {
  background:
    radial-gradient(circle at 58% 8%, rgba(92,225,255,0.08), transparent 32rem),
    radial-gradient(circle at 18% 35%, rgba(92,225,255,0.035), transparent 22rem),
    linear-gradient(180deg, #060916, #050812 58%, #050b14);
  color: white;
  overflow-x: hidden;
}

header {
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  background: rgba(5,11,20,0.9);
  z-index: 100;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
}

.language-switch a {
  min-height: 34px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  color: #9fb3c8;
  font-size: 0.8rem;
  font-weight: bold;
  text-decoration: none;
}

.language-switch a.active {
  background: rgba(92,225,255,0.14);
  color: #5ce1ff;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #5ce1ff, #0077ff);
  box-shadow: 0 0 25px rgba(92,225,255,0.5);
}

.logo h1 {
  font-size: 1.8rem;
  letter-spacing: 2px;
}

.logo p {
  color: #7f8fa6;
  font-size: 0.8rem;
  letter-spacing: 2px;
}

.beta {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(92,225,255,0.2);
  background: rgba(92,225,255,0.08);
  color: #5ce1ff;
  font-weight: bold;
}

.hero {
  min-height: calc(100vh - 89px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 88px 20px 104px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255,255,255,0.014) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.014) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(circle at 55% 22%, #000, transparent 64%);
  mask-image: radial-gradient(circle at 55% 22%, #000, transparent 64%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(320px, 520px);
  gap: clamp(56px, 8vw, 116px);
  align-items: center;
}

.hero-copy {
  max-width: 600px;
}

.hero h2 {
  font-size: clamp(3rem, 5.8vw, 5.35rem);
  margin-bottom: 24px;
  line-height: 1.02;
  letter-spacing: 0;
}

.hero span {
  color: #5ce1ff;
}

.hero p {
  color: #9fb3c8;
  font-size: 1.02rem;
  max-width: 510px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.buttons {
  display: flex;
  gap: 14px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 24px;
  border-radius: 10px;
  border: none;
  font-size: 0.98rem;
  cursor: pointer;
  transition: 0.3s ease;
  text-decoration: none;
  font-weight: bold;
}

.btn-primary {
  background: #5ce1ff;
  color: #001018;
  box-shadow: 0 0 24px rgba(92,225,255,0.18);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 34px rgba(92,225,255,0.26);
}

.btn-secondary {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  color: white;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.badges span {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: 0 12px;
  background: rgba(255,255,255,0.035);
  color: #9fb3c8;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.8px;
}

.hero-note {
  margin-top: 26px;
  margin-bottom: 0;
  color: #6f8397;
  font-size: 0.92rem;
}

.hero-visual {
  position: relative;
  min-height: 560px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 18% 8% 10%;
  border-radius: 50%;
  background: rgba(92,225,255,0.075);
  filter: blur(64px);
}

.mockup {
  position: absolute;
  width: min(40vw, 188px);
  max-height: 438px;
  object-fit: cover;
  object-position: top center;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 28px 76px rgba(0,0,0,0.42), 0 0 40px rgba(92,225,255,0.08);
  animation: floatCalm 6s ease-in-out infinite;
}

.mockup-main {
  left: 50%;
  top: 18px;
  z-index: 3;
  width: min(45vw, 238px);
  transform: translateX(-50%);
}

.mockup-left {
  left: 22px;
  top: 128px;
  z-index: 2;
  opacity: 0.72;
  transform: rotate(-5deg);
  animation-delay: 0.4s;
}

.mockup-right {
  right: 22px;
  top: 152px;
  z-index: 2;
  opacity: 0.72;
  transform: rotate(5deg);
  animation-delay: 0.8s;
}

.features {
  padding: 100px 20px;
  max-width: 1200px;
  margin: auto;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h3 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.section-title p {
  color: #8aa0b8;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 24px;
  padding: 30px;
  transition: 0.3s ease;
  backdrop-filter: blur(12px);
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(92,225,255,0.3);
  box-shadow: 0 0 30px rgba(0,140,255,0.1);
}

.card h4 {
  margin-bottom: 16px;
  color: #5ce1ff;
  font-size: 1.2rem;
}

.card p {
  color: #9db0c4;
  line-height: 1.7;
}

.preview {
  padding: 100px 20px;
  text-align: center;
}

.screenshots {
  width: min(980px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 180px));
  gap: 18px;
  align-items: start;
  justify-content: center;
}

.screenshot-card {
  min-width: 0;
}

.screenshot-card img {
  width: 100%;
  max-height: 360px;
  aspect-ratio: auto;
  object-fit: cover;
  object-position: top center;
  border-radius: 18px;
  box-shadow: 0 18px 45px rgba(0,140,255,0.16);
  border: 1px solid rgba(255,255,255,0.08);
}

.screenshot-card figcaption {
  margin-top: 14px;
  color: #9fb3c8;
  font-size: 0.95rem;
  font-weight: bold;
}

.contact-strip {
  padding: 0 20px 70px;
  text-align: center;
}

.contact-strip p {
  margin-bottom: 10px;
  color: #6f8397;
  font-size: 0.82rem;
  font-weight: bold;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.contact-strip a {
  color: #f4fbff;
  font-size: 1rem;
  font-weight: bold;
  text-decoration: none;
}

.contact-strip a:hover {
  color: #5ce1ff;
}

footer {
  padding: 50px 20px;
  text-align: center;
  color: #6f8397;
  border-top: 1px solid rgba(255,255,255,0.05);
}

footer p {
  margin-bottom: 8px;
}

footer p:last-child {
  margin-bottom: 0;
  color: #5ce1ff;
  font-size: 0.82rem;
  font-weight: bold;
  letter-spacing: 1.4px;
}

@media (max-width: 768px) {
  header {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: auto;
    padding: 64px 20px 78px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero h2 {
    font-size: 2.85rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-visual {
    min-height: 420px;
  }

  .mockup {
    width: 38%;
    max-height: 330px;
  }

  .mockup-main {
    width: 50%;
  }

  .screenshots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 430px;
  }
}

@keyframes floatCalm {
  0%,
  100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -6px;
  }
}

@media (max-width: 520px) {
  .screenshots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 360px;
    gap: 14px;
  }

  .screenshot-card img {
    max-height: 300px;
  }
}
