:root {
  --bg-top: #e8f1f8;
  --bg-bottom: #f7fafc;
  --ink: #14212b;
  --muted: #4a5a66;
  --surface: #ffffff;
  --radius: 18px;
  --shadow: 0 12px 32px rgba(20, 33, 43, 0.08);
  --ms: #0078d4;
  --ms-soft: #e8f3fc;
  --apple: #1d1d1f;
  --apple-accent: #86868b;
  --apple-soft: #f2f2f2;
  --android: #0f9d58;
  --android-bright: #3ddc84;
  --android-soft: #e9f8ef;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Figtree", "Segoe UI", sans-serif;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(0, 120, 212, 0.12), transparent 55%),
    radial-gradient(900px 420px at 90% 0%, rgba(61, 220, 132, 0.12), transparent 50%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  line-height: 1.55;
}

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

a {
  color: inherit;
}

.page {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  padding: 1.5rem 0 2.5rem;
}

.site-header {
  text-align: center;
  padding: 1.25rem 0 2rem;
  animation: rise 0.7s ease both;
}

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 7vw, 3.1rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink);
}

.tagline {
  margin: 0.9rem auto 0;
  max-width: 36rem;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 3.6vw, 1.35rem);
  font-weight: 700;
  line-height: 1.35;
}

.intro {
  margin: 0.85rem auto 0;
  max-width: 40rem;
  color: var(--muted);
  font-size: clamp(0.95rem, 3.2vw, 1.05rem);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.seo-note {
  margin-top: 2.25rem;
  max-width: 42rem;
  margin-inline: auto;
  text-align: center;
}

.seo-note h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3.5vw, 1.4rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.seo-note p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.tools {
  display: grid;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tool {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  padding: 1.5rem 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
  animation: rise 0.75s ease both;
}

.tool:nth-child(2) {
  animation-delay: 0.08s;
}

.tool:nth-child(3) {
  animation-delay: 0.16s;
}

.tool--windows {
  border-color: rgba(0, 120, 212, 0.28);
  background: linear-gradient(180deg, var(--ms-soft), var(--surface) 42%);
}

.tool--apple {
  border-color: rgba(29, 29, 31, 0.18);
  background: linear-gradient(180deg, var(--apple-soft), var(--surface) 42%);
}

.tool--android {
  border-color: rgba(15, 157, 88, 0.28);
  background: linear-gradient(180deg, var(--android-soft), var(--surface) 42%);
}

.tool__logo {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.85);
}

.tool__logo img {
  width: 40px;
  height: 40px;
}

.tool__platform {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool--windows .tool__platform {
  color: var(--ms);
}

.tool--apple .tool__platform {
  color: var(--apple-accent);
}

.tool--android .tool__platform {
  color: var(--android);
}

.tool__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.tool__desc {
  margin: 0;
  color: var(--muted);
  flex: 1;
  font-size: 0.98rem;
}

.tool__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  transition: transform 0.18s ease, filter 0.18s ease, box-shadow 0.18s ease;
}

.tool__btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.tool__btn:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 3px;
}

.tool--windows .tool__btn {
  background: var(--ms);
  box-shadow: 0 8px 18px rgba(0, 120, 212, 0.28);
}

.tool--apple .tool__btn {
  background: var(--apple);
  box-shadow: 0 8px 18px rgba(29, 29, 31, 0.22);
}

.tool--android .tool__btn {
  background: var(--android);
  box-shadow: 0 8px 18px rgba(15, 157, 88, 0.28);
}

.site-footer {
  margin-top: 2.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(20, 33, 43, 0.1);
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
  animation: rise 0.8s ease both;
  animation-delay: 0.2s;
}

.site-footer p {
  margin: 0.35rem 0;
}

.site-footer a {
  color: var(--ink);
  font-weight: 700;
  text-underline-offset: 0.18em;
}

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

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

@media (min-width: 700px) {
  .page {
    padding: 2.25rem 0 3rem;
  }

  .site-header {
    padding: 2rem 0 2.5rem;
  }

  .tools {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.35rem;
    align-items: stretch;
  }

  .tool {
    padding: 1.65rem 1.4rem 1.5rem;
    min-height: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}