:root {
  --blue: #1a73e8;
  --blue-hover: #174ea6;
  --blue-press: #185abc;
  --text: #202124;
  --muted: #5f6368;
  --line: #dadce0;
  --bg: #ffffff;
  --bg-soft: #f8f9fa;
  --red: #ea4335;
  --yellow: #fbbc04;
  --green: #34a853;
  --gblue: #4285f4;
  --radius: 28px;
  --shadow: 0 12px 40px rgba(32, 33, 36, 0.08);
  --max: 1120px;
  --font: "Inter", "Google Sans", "Segoe UI", Roboto, Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  border: 0;
  display: block;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.wrap {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(32, 33, 36, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 32px;
  height: 32px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 35px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.header-cta:hover {
  background: var(--blue-hover);
  text-decoration: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 88px;
  text-align: center;
}

.hero__art {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto 28px;
}

.hero__logo {
  position: relative;
  z-index: 1;
  width: 148px;
  height: 148px;
  margin: 36px auto 0;
  object-fit: contain;
  filter: drop-shadow(0 18px 30px rgba(26, 115, 232, 0.18));
}

.blob {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(2px);
}

.blob--red {
  width: 92px;
  height: 92px;
  background: var(--red);
  top: 8px;
  left: 8px;
  opacity: 0.9;
  animation: float 8s ease-in-out infinite;
}

.blob--yellow {
  width: 70px;
  height: 70px;
  background: var(--yellow);
  top: 18px;
  right: 6px;
  animation: float 7s ease-in-out infinite 0.4s;
}

.blob--green {
  width: 78px;
  height: 78px;
  background: var(--green);
  bottom: 10px;
  left: 18px;
  animation: float 9s ease-in-out infinite 0.8s;
}

.blob--blue {
  width: 58px;
  height: 58px;
  background: var(--gblue);
  bottom: 22px;
  right: 16px;
  animation: float 6.5s ease-in-out infinite 0.2s;
}

.ring {
  position: absolute;
  inset: 18px;
  border: 14px solid rgba(232, 240, 254, 0.9);
  border-radius: 50%;
  z-index: 0;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}

.hero__lead {
  max-width: 560px;
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 1.125rem;
  line-height: 1.6;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 240px;
  height: 52px;
  padding: 0 28px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(26, 115, 232, 0.28);
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.download-btn:hover {
  background: var(--blue-hover);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(26, 115, 232, 0.32);
}

.download-btn:active {
  background: var(--blue-press);
  transform: translateY(0);
}

.download-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.ttext,
.ttext {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.45;
}

.hero__glow {
  position: absolute;
  inset: auto 0 -120px;
  height: 280px;
  background:
    radial-gradient(circle at 20% 40%, rgba(234, 67, 53, 0.12), transparent 40%),
    radial-gradient(circle at 80% 30%, rgba(251, 188, 4, 0.14), transparent 42%),
    radial-gradient(circle at 50% 80%, rgba(66, 133, 244, 0.12), transparent 46%);
  pointer-events: none;
}

.features {
  padding: 24px 0 80px;
}

.feature {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
  padding: 72px 0;
}

.feature:nth-child(even) {
  grid-template-columns: 0.95fr 1.05fr;
}

.feature:nth-child(even) .feature__media {
  order: 2;
}

.feature__media {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-soft);
  box-shadow: var(--shadow);
}

.feature__media img {
  width: 100%;
  height: auto;
  display: block;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feature:nth-child(2) .eyebrow {
  color: #188038;
}

.feature:nth-child(3) .eyebrow {
  color: #c5221f;
}

.feature h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.feature p {
  color: var(--muted);
  font-size: 1.0625rem;
  line-height: 1.7;
  max-width: 460px;
}

.band {
  background: linear-gradient(180deg, #fff 0%, #eef3fb 100%);
}

.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding: 40px 0 48px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.7;
  text-align: center;
}

.site-footer p + p {
  margin-top: 12px;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 900px) {
  .feature,
  .feature:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 48px 0;
  }

  .feature:nth-child(even) .feature__media {
    order: 0;
  }

  .feature p {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(var(--max), calc(100% - 32px));
  }

  .hero {
    padding: 48px 0 56px;
  }

  .hero__art {
    width: 180px;
    height: 180px;
  }

  .hero__logo {
    width: 120px;
    height: 120px;
    margin-top: 30px;
  }

  .header-cta {
    height: 36px;
    padding: 0 14px;
  }

  .download-btn {
    width: 100%;
    max-width: 320px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .blob,
  .download-btn,
  .header-cta {
    animation: none;
    transition: none;
  }
}
