:root {
  --orange: #ff5f14;
  --orange-dark: #e34e08;
  --ink: #14151a;
  --ink-soft: #63656f;
  --bg: #f6f6f9;
  --card-bg: #ffffff;
  --border: #ececf1;
  --radius: 20px;
  --shadow: 0 6px 20px rgba(20, 21, 26, 0.05);
  --shadow-hover: 0 20px 40px -8px rgba(20, 21, 26, 0.16);

  --live: #ef2f63;
  --xim: #4f5bff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Ambient background */
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(600px circle at 15% -10%, rgba(255, 95, 20, 0.12), transparent 60%),
    radial-gradient(560px circle at 90% 10%, rgba(79, 91, 255, 0.09), transparent 55%),
    radial-gradient(700px circle at 50% 120%, rgba(239, 47, 99, 0.07), transparent 60%);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(246, 246, 249, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  height: 30px;
  width: auto;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 1.05rem;
}

.nav-link {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-link:hover {
  background: #fff;
  color: var(--ink);
  box-shadow: var(--shadow);
}

/* Hero */
.hero {
  padding: 72px 24px 40px;
  text-align: center;
  animation: fade-up 0.6s ease both;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange-dark);
  background: rgba(255, 95, 20, 0.1);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
  margin: 0 0 14px;
  letter-spacing: -0.03em;
}

.hero h1 .accent {
  background: linear-gradient(100deg, var(--orange) 10%, var(--live) 60%, var(--xim) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  color: var(--ink-soft);
  margin: 0 auto;
  max-width: 480px;
  font-size: 1.05rem;
  line-height: 1.5;
}

/* App grid */
main {
  padding: 8px 0 64px;
}

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

.card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px 26px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: fade-up 0.6s ease both;
  animation-delay: calc(0.1s + var(--i) * 0.08s);
}

.card-api { --accent: var(--orange); }
.card-live { --accent: var(--live); }
.card-xim { --accent: var(--xim); }

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent, var(--orange));
  background: color-mix(in srgb, var(--accent, var(--orange)) 12%, white);
  padding: 5px 10px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.icon-wrap {
  width: 84px;
  height: 84px;
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--accent, var(--orange)) 10%, white);
  margin-bottom: 18px;
}

.card-icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.card h2 {
  margin: 0 0 4px;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
}

.card .tagline {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin: 0 0 22px;
  min-height: 2.4em;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  justify-content: center;
  background: var(--orange);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 13px 20px;
  border-radius: 999px;
  box-shadow: 0 8px 18px -6px rgba(255, 95, 20, 0.55);
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

.download-btn:hover {
  background: var(--orange-dark);
  box-shadow: 0 10px 22px -6px rgba(255, 95, 20, 0.65);
}

.download-btn:active {
  transform: scale(0.98);
}

.download-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-top: 14px;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.card.unavailable .download-btn {
  background: #d5d6dc;
  box-shadow: none;
  pointer-events: none;
}

.card.unavailable .meta-row .size {
  color: #c23c2e;
  font-weight: 600;
}

/* Install note */
.note {
  max-width: 700px;
  margin: 48px auto 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 22px;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.55;
  box-shadow: var(--shadow);
}

.note strong {
  color: var(--ink);
}

/* Footer */
footer {
  text-align: center;
  padding: 24px 0 40px;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 48px 20px 32px;
  }

  .card {
    padding: 26px 20px 22px;
  }
}