/* AikiOS brand foundation: tokens, glass, buttons, Mac window. Shared by the site and the demo. */
@font-face {
  font-family: 'Manrope';
  src: url('../assets/fonts/Manrope-Variable.ttf') format('truetype');
  font-weight: 200 800;
  font-display: swap;
}

:root {
  --ink: #111827; --merit: #F25C2A; --paper: #F6F4EF; --slate: #6B7280;
  --font: 'Manrope', 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* light: warm light glass */
  --bg: #F6F4EF; --bg-2: #ECE7DE;
  --surface: rgba(255, 255, 255, .62); --surface-strong: rgba(255, 255, 255, .88);
  --surface-edge: rgba(255, 255, 255, .92); --line: rgba(17, 24, 39, .09);
  --text: #111827; --text-2: #4B5160; --text-3: #6B7280;
  --work: #111827; --work-soft: rgba(17, 24, 39, .08); --work-ink: #111827;
  --char: #F25C2A; --char-soft: rgba(242, 92, 42, .14); --char-ink: #A8361A;
  --glow-1: rgba(242, 92, 42, .26); --glow-2: rgba(108, 126, 178, .28);
  --shadow-glass: 0 1px 0 rgba(255, 255, 255, .95) inset, 0 18px 50px rgba(17, 24, 39, .10), 0 2px 6px rgba(17, 24, 39, .05);
  --metal: linear-gradient(180deg, #3A4152 0%, #1D2333 48%, #111827 52%, #262C3B 100%);
  --on-metal: #F4F5F8;
  --radius-l: 28px; --radius-m: 18px; --radius-s: 12px;
  --focus: #F25C2A;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0C111D; --bg-2: #111827;
    --surface: rgba(255, 255, 255, .06); --surface-strong: rgba(28, 34, 50, .9);
    --surface-edge: rgba(255, 255, 255, .14); --line: rgba(255, 255, 255, .1);
    --text: #F4F5F8; --text-2: #B4B8C6; --text-3: #8B90A0;
    --work: #E5E7EE; --work-soft: rgba(229, 231, 238, .14); --work-ink: #F4F5F8;
    --char: #FF7A4D; --char-soft: rgba(255, 122, 77, .18); --char-ink: #FFC2AD;
    --glow-1: rgba(242, 92, 42, .30); --glow-2: rgba(80, 100, 170, .26);
    --shadow-glass: 0 1px 0 rgba(255, 255, 255, .12) inset, 0 22px 56px rgba(0, 0, 0, .45);
    --metal: linear-gradient(180deg, #FBFBFE 0%, #D4D6E0 48%, #B6B9C7 52%, #E2E3EC 100%);
    --on-metal: #111827;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0C111D; --bg-2: #111827;
  --surface: rgba(255, 255, 255, .06); --surface-strong: rgba(28, 34, 50, .9);
  --surface-edge: rgba(255, 255, 255, .14); --line: rgba(255, 255, 255, .1);
  --text: #F4F5F8; --text-2: #B4B8C6; --text-3: #8B90A0;
  --work: #E5E7EE; --work-soft: rgba(229, 231, 238, .14); --work-ink: #F4F5F8;
  --char: #FF7A4D; --char-soft: rgba(255, 122, 77, .18); --char-ink: #FFC2AD;
  --glow-1: rgba(242, 92, 42, .30); --glow-2: rgba(80, 100, 170, .26);
  --shadow-glass: 0 1px 0 rgba(255, 255, 255, .12) inset, 0 22px 56px rgba(0, 0, 0, .45);
  --metal: linear-gradient(180deg, #FBFBFE 0%, #D4D6E0 48%, #B6B9C7 52%, #E2E3EC 100%);
  --on-metal: #111827;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.6 var(--font);
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 600px at 8% -10%, var(--glow-2), transparent 62%),
    radial-gradient(800px 560px at 100% 0%, var(--glow-1), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  background-attachment: fixed;
}
h1, h2, h3, h4 { margin: 0; letter-spacing: -.025em; line-height: 1.12; text-wrap: balance; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 8px; }

.glass {
  background: var(--surface);
  border: 1px solid var(--surface-edge);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-glass);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: 999px; border: 1px solid transparent;
  font: 650 15px/1 var(--font); text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .5; cursor: progress; transform: none; }
.btn-primary { background: linear-gradient(180deg, #E8582A, #C9441A); color: #fff; box-shadow: 0 10px 26px rgba(242, 92, 42, .35), 0 1px 0 rgba(255, 255, 255, .35) inset; }
.btn-primary:hover { box-shadow: 0 14px 32px rgba(242, 92, 42, .42), 0 1px 0 rgba(255, 255, 255, .35) inset; }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--surface-edge); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.btn-metal { background: var(--metal); color: var(--on-metal); box-shadow: 0 1px 0 rgba(255, 255, 255, .3) inset, 0 8px 22px rgba(17, 24, 39, .22); }

/* Product screenshots always sit in a dark glass Mac window, in both themes. */
.mac-window {
  position: relative; padding: 34px 10px 10px; border-radius: 18px;
  background: linear-gradient(160deg, rgba(34, 40, 58, .94), rgba(12, 17, 29, .97));
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .14) inset, 0 30px 70px rgba(17, 24, 39, .32);
}
.mac-window::before {
  content: ""; position: absolute; top: 12px; left: 14px; width: 52px; height: 12px;
  background:
    radial-gradient(circle at 6px 6px, #FF5F57 5px, transparent 5.5px),
    radial-gradient(circle at 26px 6px, #FEBC2E 5px, transparent 5.5px),
    radial-gradient(circle at 46px 6px, #28C840 5px, transparent 5.5px);
}
.mac-window img { display: block; width: 100%; height: auto; border-radius: 10px; }

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

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