/* Shared chrome for the static pages (privacy, 404). The home page carries
   its own copy of this palette inline, because it is rendered from a design
   document that has to stay self-contained. */
/* Same palette as the home page. Dark is the default; light arrives either from
   the system preference or from the toggle, which stamps data-theme on <html>. */
:root {
  --bg: #000; --fg: #fff; --muted: #b3b3b3;
  --line: rgba(255,255,255,0.14); --vline: rgba(255,255,255,0.24);
  --nav-bg: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  --nav-border: rgba(255,255,255,0.12);
  --nav-shadow: 0 12px 40px rgba(0,0,0,0.6), inset 0 1px 1px rgba(255,255,255,0.3);
  --panel-bg: linear-gradient(135deg, rgba(255,255,255,0.045), rgba(255,255,255,0.01)), #0f0f0f;
  --panel-border: rgba(255,255,255,0.12);
  --panel-shadow: inset 0 1px 1px rgba(255,255,255,0.25), inset 0 -1px 2px rgba(0,0,0,0.5), 0 20px 50px -10px rgba(0,0,0,0.7);
  --ctrl-bg: rgba(0,0,0,0.55);
  --code-bg: rgba(255,255,255,0.08);
  --logo-invert: none;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f6f4; --fg: #0a0a0a; --muted: #565656;
    --line: rgba(0,0,0,0.09); --vline: rgba(0,0,0,0.15);
    --nav-bg: linear-gradient(135deg, rgba(255,255,255,0.75), rgba(255,255,255,0.45));
    --nav-border: rgba(0,0,0,0.1);
    --nav-shadow: 0 12px 40px rgba(0,0,0,0.12), inset 0 1px 1px rgba(255,255,255,0.9);
    --panel-bg: linear-gradient(135deg, rgba(255,255,255,0.85), rgba(255,255,255,0.5)), #e9e9e6;
    --panel-border: rgba(0,0,0,0.1);
    --panel-shadow: inset 0 1px 1px rgba(255,255,255,0.7), 0 20px 50px -10px rgba(0,0,0,0.18);
    --ctrl-bg: rgba(255,255,255,0.75);
    --code-bg: rgba(0,0,0,0.06);
    --logo-invert: invert(1);
  }
}
:root[data-theme="light"] {
  --bg: #f6f6f4; --fg: #0a0a0a; --muted: #565656;
  --line: rgba(0,0,0,0.09); --vline: rgba(0,0,0,0.15);
  --nav-bg: linear-gradient(135deg, rgba(255,255,255,0.75), rgba(255,255,255,0.45));
  --nav-border: rgba(0,0,0,0.1);
  --nav-shadow: 0 12px 40px rgba(0,0,0,0.12), inset 0 1px 1px rgba(255,255,255,0.9);
  --panel-bg: linear-gradient(135deg, rgba(255,255,255,0.85), rgba(255,255,255,0.5)), #e9e9e6;
  --panel-border: rgba(0,0,0,0.1);
  --panel-shadow: inset 0 1px 1px rgba(255,255,255,0.7), 0 20px 50px -10px rgba(0,0,0,0.18);
  --ctrl-bg: rgba(255,255,255,0.75);
  --code-bg: rgba(0,0,0,0.06);
  --logo-invert: invert(1);
}

html, body { margin: 0; padding: 0; }
html { background: var(--bg); }
html, body { overflow-x: clip; }
body {
  background: var(--bg); color: var(--fg); min-height: 100vh; position: relative;
  font-family: 'Plus Jakarta Sans', sans-serif;
  transition: background 0.3s, color 0.3s;
}
a { color: inherit; }
a:hover { opacity: 0.8; }

.frame { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.frame span {
  position: absolute; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(to bottom, transparent, var(--vline) 10%, var(--vline) 90%, transparent);
}
.frame .l { left: max(10px, calc(50vw - 712px)); }
.frame .r { right: max(10px, calc(50vw - 712px)); }

.page { position: relative; z-index: 1; }
.navwrap { position: sticky; top: 20px; z-index: 50; padding: 20px 32px 0; }
nav {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 24px 28px; border-radius: 999px;
  background: var(--nav-bg);
  backdrop-filter: blur(28px) saturate(180%); -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--nav-border); box-shadow: var(--nav-shadow);
  transition: background 0.3s, border-color 0.3s;
}
nav .brand { display: flex; align-items: center; }
nav .brand img { height: 22px; display: block; filter: var(--logo-invert); }
nav .right { display: flex; align-items: center; gap: 20px; }
nav .contact { color: var(--fg); font-size: 17px; font-weight: 800; text-decoration: none; }
.tgl {
  width: 40px; height: 40px; border-radius: 50%; border: none;
  background: var(--ctrl-bg); color: var(--fg);
  display: flex; align-items: center; justify-content: center; cursor: pointer; padding: 0;
}
.tgl:hover { filter: brightness(1.25); }
.tgl .sun { display: none; }
:root[data-theme="light"] .tgl .sun { display: block; }
:root[data-theme="light"] .tgl .moon { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .tgl .sun { display: block; }
  :root:not([data-theme="dark"]) .tgl .moon { display: none; }
}

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.hero { padding: 120px 32px 110px; }
.hero h1 {
  margin: 0; font-size: clamp(38px, 5.3vw, 74px); font-weight: 800;
  letter-spacing: -0.045em; line-height: 1.08;
}
.hero .sub { margin: 20px 0 0; color: var(--muted); font-size: 18px; line-height: 26px; max-width: 620px; }
.rule { height: 1px; background: var(--line); }

.body { max-width: 1280px; margin: 60px auto 0; padding: 0 32px; }
.sec {
  display: flex; flex-wrap: wrap; gap: 48px;
  padding: 34px 0; border-top: 1px solid var(--line);
}
.sec:first-child { border-top: none; padding-top: 0; }
.sec h2 {
  flex: 0 0 240px; margin: 0;
  font-size: 13px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); line-height: 1.5;
}
.sec .prose { flex: 1 1 420px; min-width: 0; }
.prose p { margin: 0 0 16px; color: var(--muted); font-size: 18px; line-height: 28px; text-wrap: pretty; }
.prose p:last-child { margin-bottom: 0; }
.prose ul { margin: 0 0 16px; padding-left: 22px; }
.prose li { color: var(--muted); font-size: 18px; line-height: 28px; margin-bottom: 10px; }
.prose li:last-child { margin-bottom: 0; }
.prose strong { color: var(--fg); font-weight: 800; }
.prose a { color: var(--fg); text-decoration: underline; text-underline-offset: 3px; }
.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 15px; padding: 2px 7px; border-radius: 6px; background: var(--code-bg); color: var(--fg);
}

.panel {
  max-width: 1280px; margin: 70px auto 0; padding: 0 32px;
}
.panel .inner {
  border-radius: 30px; background: var(--panel-bg);
  border: 1px solid var(--panel-border); box-shadow: var(--panel-shadow);
  padding: 48px; transition: background 0.3s;
}
.panel h2 { margin: 0; font-size: clamp(28px, 3vw, 38px); font-weight: 800; letter-spacing: -1.4px; line-height: 1.15; }
.panel p { margin: 14px 0 0; color: var(--muted); font-size: 18px; line-height: 28px; }
.panel a.mail {
  display: inline-block; margin-top: 18px; color: var(--fg);
  font-size: clamp(20px, 2.6vw, 30px); font-weight: 800; text-decoration: none;
}

.mark { max-width: 1280px; margin: 80px auto; padding: 0 32px; }
.mark img {
  width: 100%; height: auto; display: block; opacity: 0.14;
  user-select: none; pointer-events: none; filter: var(--logo-invert);
}
.foot {
  max-width: 1280px; margin: 0 auto; padding: 0 32px 80px;
  display: flex; align-items: center; gap: 24px; font-size: 14px;
}

@media (max-width: 767px) {
  .navwrap { padding: 20px 16px 0; }
  nav { padding: 18px 18px 18px 20px; }
  nav .brand img { height: min(19.5px, 5.2vw); }
  nav .contact { display: none; }
  .hero { padding: 80px 32px 70px; }
  .sec { gap: 16px; }
  .sec h2 { flex-basis: 100%; }
  .panel .inner { padding: 36px 28px; }
  nav .right { gap: 10px; }
}
