/* MountainPeak v2 — modern application studio
   Sans-only · big soft gradient hero · grid-aligned · dark-first */

:root {
  --bg: #0B0C0F;
  --bg-2: #111318;
  --bg-3: #16191F;
  --fg: #F4F4F5;
  --fg-2: #C9CBD1;
  --muted: #7E828B;
  --line: rgba(255,255,255,0.08);
  --line-2: rgba(255,255,255,0.14);
  --accent: oklch(0.72 0.16 168);
  --accent-2: oklch(0.55 0.18 250);
  --radius: 18px;
  --sans: "Segoe UI", "Aptos", "Inter Tight", "Helvetica Neue", Arial, system-ui, sans-serif;
  --mono: "Cascadia Mono", "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
}

[data-theme="paper"] {
  --bg: #F6F5F1;
  --bg-2: #FFFFFF;
  --bg-3: #EFEDE6;
  --fg: #0B0C0F;
  --fg-2: #2A2C34;
  --muted: #6B6E78;
  --line: rgba(11,12,15,0.08);
  --line-2: rgba(11,12,15,0.16);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

a, button {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01","cv11";
  overflow-x: hidden;
  transition: background .35s ease, color .35s ease;
}

.skip-link {
  position: absolute;
  left: 20px;
  top: -48px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--fg);
  color: var(--bg);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: top .2s ease;
}

.skip-link:focus-visible {
  top: 20px;
}

.shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}
@media (max-width: 720px) { .shell { padding: 0 20px; } }

/* ---- Soft hero glow (decorative, no lines) ---- */
.glow {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
  z-index: 0;
}
.glow.g1 {
  width: 720px; height: 720px;
  background: radial-gradient(circle at 30% 30%, var(--accent), transparent 60%);
  top: -180px; right: -120px;
}
.glow.g2 {
  width: 520px; height: 520px;
  background: radial-gradient(circle at 50% 50%, var(--accent-2), transparent 60%);
  top: 80px; left: -160px;
  opacity: 0.32;
}
[data-theme="paper"] .glow { opacity: 0.32; }

/* ---- Nav ---- */
.nav {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
  font-size: 32px;
  letter-spacing: -0.02em;
}
.wordmark .mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  filter: drop-shadow(0 4px 12px color-mix(in oklab, var(--accent) 45%, transparent));
  transition: transform .35s ease, filter .35s ease;
}
.wordmark:hover .mark {
  transform: translateY(-1px) rotate(-3deg);
  filter: drop-shadow(0 6px 16px color-mix(in oklab, var(--accent) 65%, transparent));
}
.wordmark .mark svg { width: 42px; height: 42px; display: block; }
.wordmark .wm-type {
  background: linear-gradient(120deg, var(--fg) 0%, var(--fg) 55%, color-mix(in oklab, var(--accent) 70%, var(--fg)) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 4px;
  background: color-mix(in oklab, var(--bg-2) 60%, transparent);
  border: 1px solid var(--line);
  padding: 4px;
  border-radius: 999px;
  backdrop-filter: blur(12px);
}
.nav-links a {
  font-size: 13px;
  color: var(--fg-2);
  text-decoration: none;
  padding: 7px 14px;
  border-radius: 999px;
  font-weight: 450;
}
.nav-links a:hover { color: var(--fg); background: var(--line); }

.nav-right { display: flex; align-items: center; gap: 12px; }

.lang {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  background: color-mix(in oklab, var(--bg-2) 50%, transparent);
}
.lang button {
  font: inherit; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.06em; background: transparent; border: 0;
  color: var(--muted); padding: 5px 10px; border-radius: 999px; cursor: pointer;
}
.lang button.on { background: var(--fg); color: var(--bg); }

.nav-cta {
  font-size: 13px;
  font-weight: 500;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--fg);
  color: var(--bg);
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px;
}
.nav-cta:hover { opacity: 0.9; }

@media (max-width: 820px) { .nav-links { display: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .wordmark .mark,
  .btn .arrow,
  .skip-link,
  body {
    transition: none !important;
  }
}