/* I Like Airplane UI Refresh: fast system fonts, clean surfaces, sharper content scanning. */
:root {
  --color-bg: #f7f9fc;
  --color-surface: #ffffff;
  --color-surface-2: #eef3f8;
  --color-text: #101828;
  --color-text-muted: #667085;
  --color-primary: #0b63ce;
  --color-primary-hover: #084da3;
  --color-accent: #12a87f;
  --color-border: rgba(16, 24, 40, 0.12);
  --font-display: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  --color-bg: #0b1018;
  --color-surface: #111827;
  --color-surface-2: #182233;
  --color-text: #f4f7fb;
  --color-text-muted: #a7b0bf;
  --color-primary: #66a6ff;
  --color-primary-hover: #8dbdff;
  --color-accent: #4fd1ad;
  --color-border: rgba(244, 247, 251, 0.14);
}

html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(11, 99, 206, 0.08), rgba(18, 168, 127, 0.04) 34rem, transparent 48rem),
    var(--color-bg);
  letter-spacing: 0;
}

img {
  background: var(--color-surface-2);
}

.glass {
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--color-border);
}

header.sticky {
  box-shadow: 0 10px 30px rgba(16, 24, 40, 0.06);
}

header a {
  text-decoration: none;
}

header nav a {
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
}

header nav a:hover,
header nav a.text-primary {
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}

.rounded-xl,
.rounded-2xl,
.rounded-lg {
  border-radius: 8px !important;
}

.shadow-sm,
.shadow-md,
.shadow-lg,
.shadow-xl {
  box-shadow: 0 14px 38px rgba(16, 24, 40, 0.08) !important;
}

section,
main > div,
article,
.masonry-item {
  content-visibility: auto;
  contain-intrinsic-size: 1px 680px;
}

.bg-surface {
  background-color: var(--color-surface);
}

.bg-bg {
  background-color: var(--color-bg);
}

main {
  background: transparent;
}

.border-border {
  border-color: var(--color-border);
}

h1,
h2,
h3,
h4 {
  letter-spacing: 0;
}

h1 {
  max-width: 14ch;
}

p {
  color: inherit;
}

.text-text-muted {
  color: var(--color-text-muted);
}

.bg-primary {
  background: var(--color-primary);
}

.text-primary {
  color: var(--color-primary);
}

.bg-accent {
  background: var(--color-accent);
}

a.bg-primary,
button.bg-primary,
button.bg-blue-600,
a.rounded-lg.bg-primary {
  border: 1px solid color-mix(in srgb, var(--color-primary) 80%, #ffffff);
  box-shadow: 0 12px 24px color-mix(in srgb, var(--color-primary) 22%, transparent) !important;
}

a.bg-primary:hover,
button.bg-primary:hover,
button.bg-blue-600:hover {
  transform: translateY(-1px);
}

section.relative.h-\[65vh\] {
  min-height: 620px;
  height: min(72vh, 760px);
}

section.relative.h-\[65vh\] h1 {
  max-width: 10ch;
  font-size: clamp(3rem, 8vw, 6.7rem);
  line-height: 0.92;
}

section.relative.h-\[65vh\] p {
  max-width: 46rem;
  color: rgba(255, 255, 255, 0.84);
}

section.relative.h-\[65vh\]::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 9rem;
  background: linear-gradient(180deg, transparent, var(--color-bg));
  pointer-events: none;
}

.masonry-grid {
  column-gap: 1rem;
}

.masonry-item,
article.flex,
.group.rounded-xl,
.rounded-xl.border {
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-surface) 94%, transparent);
}

.masonry-item:hover,
article.flex:hover,
.group.rounded-xl:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--color-primary) 36%, var(--color-border));
}

.masonry-item img,
article img {
  transition-duration: 260ms !important;
}

.prose {
  font-size: 1.02rem;
}

.prose h2 {
  margin-top: 2.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--color-border);
}

.prose table {
  overflow: hidden;
  border-radius: 8px;
}

.prose td,
.prose th {
  vertical-align: top;
}

.prose blockquote {
  border-left: 4px solid var(--color-accent);
  background: var(--color-surface-2);
  border-radius: 8px;
  padding: 1rem;
}

input,
select,
textarea {
  min-height: 44px;
}

footer {
  background: color-mix(in srgb, var(--color-surface) 90%, var(--color-surface-2));
}

@media (max-width: 768px) {
  header .text-2xl {
    font-size: 1.1rem;
  }

  section.relative.h-\[65vh\] {
    min-height: 560px;
  }

  section.relative.h-\[65vh\] h1 {
    font-size: clamp(2.8rem, 15vw, 4.4rem);
  }
}