* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #ffffff;
  background: linear-gradient(135deg, #07111f, #102b4d, #0b6b5f);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
}

button {
  font-family: inherit;
}

.page {
  width: 100%;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 14px;
}

.card {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.header {
  text-align: center;
  padding-top: 10px;
}

.logo {
  width: 280px;
  max-width: 85%;
  margin: 0 auto;
}

.hero {
  text-align: center;
}

.hero-banner {
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 24px;
  line-height: 1.3;
  margin: 12px 0 10px;
}

.hero p {
  font-size: 15px;
  line-height: 1.7;
  color: #e8f5ff;
  margin: 0 0 16px;
}

.cta-group {
  display: grid;
  gap: 10px;
}

.btn {
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  color: #ffffff;
  transition: all 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  opacity: 0.94;
}

.btn-primary {
  background: linear-gradient(135deg, #ffb703, #fb8500);
  color: #111111;
}

.btn-secondary {
  background: linear-gradient(135deg, #00c6ff, #0072ff);
}

.btn-success {
  background: linear-gradient(135deg, #20c997, #087f5b);
}

.btn-danger {
  background: linear-gradient(135deg, #ff4d6d, #c9184a);
}

.download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.download-box {
  text-align: center;
  padding: 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
}

.download-box img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  margin: 0 auto 10px;
}

.download-box h2 {
  font-size: 18px;
  margin: 6px 0 8px;
}

.download-box p {
  font-size: 14px;
  line-height: 1.6;
  color: #d8ecff;
  margin: 0 0 12px;
}

.section-title {
  font-size: 20px;
  text-align: center;
  margin: 0 0 14px;
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.brand-item {
  background: rgba(255, 255, 255, 0.08);
  padding: 12px;
  border-radius: 12px;
  text-align: center;
  font-weight: 700;
  color: #ffffff;
}

.content h2 {
  font-size: 19px;
  margin: 18px 0 10px;
}

.content p,
.content li {
  font-size: 15px;
  line-height: 1.8;
  color: #edf8ff;
}

.content ol,
.content ul {
  padding-left: 22px;
}

.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.faq-question {
  width: 100%;
  background: none;
  border: 0;
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  text-align: left;
  padding: 14px 0;
  cursor: pointer;
}

.faq-answer {
  display: none;
  padding-bottom: 14px;
  color: #dcefff;
  font-size: 14px;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  display: block;
}

.footer {
  text-align: center;
  font-size: 13px;
  color: #dcefff;
  padding: 20px 0 30px;
}

.float-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  padding: 10px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(8px);
}

.float-cta-inner {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

body.has-float {
  padding-bottom: 84px;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 30px;
  }

  .download-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .brand-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}