:root {
  /* Accent — взято из иконки приложения */
  --cyan: #57e7da;
  --blue: #1f9fe0;
  --coral: #ff7a6b;

  /* Поверхности */
  --bg-0: #070d12;
  --bg-1: #0c1620;
  --ink: #eef5f7;
  --ink-soft: #c6d3d9;
  --muted: #7e919c;

  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --hairline: rgba(255, 255, 255, 0.1);

  --radius: 24px;
  --grad: linear-gradient(120deg, var(--cyan), var(--blue));
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: 'Inter', Arial, sans-serif;
  color: var(--ink-soft);
  background:
    radial-gradient(90% 60% at 50% -8%, rgba(31, 159, 224, 0.2), transparent 60%),
    radial-gradient(70% 50% at 85% 6%, rgba(255, 122, 107, 0.08), transparent 55%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 55%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 64px 24px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Плитка-иконка */
.logo {
  width: 132px;
  height: 132px;
  border-radius: 30px;
  display: block;
  border: 1px solid var(--card-border);
  box-shadow:
    0 24px 60px rgba(31, 159, 224, 0.28),
    0 6px 18px rgba(0, 0, 0, 0.5);
}

.brand {
  font-family: 'Inter-SemiBold', 'Inter', Arial, sans-serif;
  font-weight: 600;
  letter-spacing: 0.05em;
  font-size: clamp(2.6rem, 7vw, 4.2rem);
  margin: 30px 0 0;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-family: 'Inter-Light', 'Inter', Arial, sans-serif;
  font-size: clamp(1.15rem, 3.4vw, 1.55rem);
  line-height: 1.45;
  color: var(--muted);
  margin: 16px 0 0;
  max-width: 30ch;
}

.cta {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Бейдж TestFlight — приподнятая тёмная капсула */
.appstore {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  background: linear-gradient(180deg, #1d2a35, #0f1a22);
  color: #fff;
  text-decoration: none;
  padding: 13px 26px;
  border-radius: 100px;
  border: 1px solid var(--hairline);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.45);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    border-color 0.15s ease;
}

.appstore:hover {
  transform: translateY(-2px);
  border-color: rgba(87, 231, 218, 0.45);
  box-shadow:
    0 18px 38px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(87, 231, 218, 0.15);
}

.appstore svg {
  width: 23px;
  height: 23px;
  fill: #fff;
  flex: none;
}

.appstore .label {
  text-align: left;
  line-height: 1.05;
}

.appstore .label small {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  opacity: 0.8;
}

.appstore .label b {
  font-family: 'Inter-SemiBold', 'Inter', Arial, sans-serif;
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
}

.soon {
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.soon::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

/* Возможности */
.features {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  width: 100%;
}

.feature {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px 22px;
  text-align: left;
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease;
}

.feature:hover {
  transform: translateY(-3px);
  border-color: rgba(87, 231, 218, 0.25);
  background: rgba(255, 255, 255, 0.055);
}

.feature .ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
}

.feature .ic svg {
  width: 28px;
  height: 28px;
}

.ic-cyan {
  color: var(--cyan);
  background: rgba(87, 231, 218, 0.16);
}

.ic-violet {
  color: #a78bfa;
  background: rgba(167, 139, 250, 0.17);
}

.ic-green {
  color: #4ade80;
  background: rgba(74, 222, 128, 0.16);
}

.ic-coral {
  color: var(--coral);
  background: rgba(255, 122, 107, 0.17);
}

.feature h3 {
  font-family: 'Inter-SemiBold', 'Inter', Arial, sans-serif;
  font-weight: 600;
  font-size: 1.08rem;
  margin: 12px 0 7px;
  color: var(--ink);
}

.feature p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--muted);
}

/* Подвал */
.footer {
  margin-top: 60px;
  padding-top: 26px;
  border-top: 1px solid var(--card-border);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
}

.footer a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

.footer a:hover {
  color: var(--cyan);
}

.copy {
  font-size: 0.85rem;
  color: var(--muted);
}

@media (max-width: 560px) {
  .features {
    grid-template-columns: 1fr;
  }
  .logo {
    width: 112px;
    height: 112px;
    border-radius: 26px;
  }
  .wrap {
    padding: 44px 20px 36px;
  }
}