:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-elevated: #f4f6fa;
  --bg-card: #ffffff;
  --text: #111827;
  --muted: #5b6577;
  --accent: #0b57d0;
  --accent-soft: rgba(11, 87, 208, 0.1);
  --accent-hover: #0842a0;
  --border: rgba(17, 24, 39, 0.12);
  --header-bg: rgba(255, 255, 255, 0.88);
  --btn-primary-fg: #ffffff;
  --focus: #0b57d0;
  --radius: 16px;
  --shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
  --max: 960px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --glow-a: rgba(11, 87, 208, 0.08);
  --glow-b: rgba(16, 185, 129, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --bg-elevated: #121a2b;
    --bg-card: #172033;
    --text: #e8eef9;
    --muted: #9aa8c0;
    --accent: #5b8cff;
    --accent-soft: rgba(91, 140, 255, 0.16);
    --accent-hover: #8eb0ff;
    --border: rgba(232, 238, 249, 0.1);
    --header-bg: rgba(11, 18, 32, 0.82);
    --btn-primary-fg: #061018;
    --focus: #8eb0ff;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
    --glow-a: rgba(91, 140, 255, 0.18);
    --glow-b: rgba(88, 214, 181, 0.1);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, var(--glow-a), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, var(--glow-b), transparent 55%),
    var(--bg);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover,
a:focus-visible {
  color: var(--accent-hover);
}

a:focus-visible,
.nav a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--accent);
  color: var(--btn-primary-fg);
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  z-index: 100;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
}

.header-inner,
.footer-inner,
.main-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand:hover,
.brand:focus-visible {
  color: var(--text);
}

.brand-logo {
  display: block;
  width: 2.4rem;
  height: 2.4rem;
}

.brand-logo img {
  display: block;
  width: 2.4rem;
  height: 2.4rem;
}

.brand span:last-child {
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: nowrap;
  flex-shrink: 0;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  font-weight: 600;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
  background: var(--accent-soft);
}

@media (max-width: 420px) {
  .brand span:last-child {
    font-size: 0.95rem;
  }

  .nav a {
    padding: 0.4rem 0.65rem;
  }
}

main {
  padding: 2.5rem 0 4rem;
}

.hero {
  display: grid;
  gap: 1.25rem;
  padding: 2rem 0 1rem;
}

.eyebrow {
  margin: 0;
  color: #0f8f70;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (prefers-color-scheme: dark) {
  .eyebrow {
    color: #58d6b5;
  }
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem 0.85rem;
}

.hero-logo {
  display: block;
  flex: 0 0 auto;
  width: clamp(2.5rem, 7vw, 4.5rem);
  height: clamp(2.5rem, 7vw, 4.5rem);
}

.hero-logo img {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-title > span {
  flex: 0 1 auto;
}

@media (max-width: 480px) {
  .hero-title {
    flex-wrap: nowrap;
    gap: 0.55rem;
    font-size: clamp(1.45rem, 7.2vw, 1.85rem);
  }

  .hero-logo {
    width: 2.35rem;
    height: 2.35rem;
  }
}

.lead {
  margin: 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.125rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

@media (min-width: 720px) {
  .card-grid.two {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  background: linear-gradient(180deg, rgba(127, 127, 127, 0.04), transparent 40%), var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.contact {
  margin-top: 2rem;
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.contact h2 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}

.contact p {
  margin: 0;
  color: var(--muted);
}

.app-card {
  display: grid;
  gap: 1.25rem;
  align-items: center;
  padding: 1.5rem;
}

@media (min-width: 720px) {
  .app-card {
    grid-template-columns: 120px 1fr;
  }
}

.app-icon {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  object-fit: cover;
  background: #0a101c;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.app-meta h2 {
  margin: 0 0 0.35rem;
  font-size: 1.45rem;
}

.app-meta .platform {
  margin: 0 0 0.8rem;
  color: #0f8f70;
  font-weight: 600;
  font-size: 0.95rem;
}

@media (prefers-color-scheme: dark) {
  .app-meta .platform {
    color: #58d6b5;
  }
}

.app-meta p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.6rem;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--btn-primary-fg);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  color: var(--btn-primary-fg);
  filter: brightness(1.05);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  color: var(--text);
  background: var(--accent-soft);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.4rem 0 2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
}

.footer-inner a {
  color: var(--muted);
  text-decoration: none;
}

.footer-inner a:hover,
.footer-inner a:focus-visible {
  color: var(--text);
}