/* Shared styles for the landing page (index.html) and contact.html. */
:root {
  --blue: #2563eb;
  --blue-dk: #1e40af;
  --blue-lt: #93c5fd;
  --blue-wash: #eff4ff;
  --purple: #7c4ddb;
  --gold: #c9930e;
  --coral: #e07356;
  --slate: #c4ccd8;
  --bg: #fbfbfc;
  --bg-alt: #f3f4f7;
  --ink: #1a2232;
  --ink-2: #334155;
  --ink-3: #64748b;
  --line: #e3e7ef;
  --on-accent: #ffffff;
  --display: 'Bricolage Grotesque', 'Segoe UI', system-ui, sans-serif;
  --body: 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --blue: #6b9bff; --blue-dk: #9dbcff; --blue-lt: #3b5fa8; --blue-wash: #111b33;
    --purple: #a58af0; --gold: #e2b23c; --coral: #ef8a6f; --slate: #46526a;
    --bg: #0b1020; --bg-alt: #10172a; --ink: #eef2f8; --ink-2: #c3cad8; --ink-3: #8a94a8; --line: #222c44;
    --on-accent: #0b1020;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --blue: #6b9bff; --blue-dk: #9dbcff; --blue-lt: #3b5fa8; --blue-wash: #111b33;
  --purple: #a58af0; --gold: #e2b23c; --coral: #ef8a6f; --slate: #46526a;
  --bg: #0b1020; --bg-alt: #10172a; --ink: #eef2f8; --ink-2: #c3cad8; --ink-3: #8a94a8; --line: #222c44;
  --on-accent: #0b1020;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.65 var(--body); -webkit-font-smoothing: antialiased; }
a { color: var(--blue); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: 1080px; margin: 0 auto; padding-inline: max(16px, 2rem); }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* nav */
nav { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-block: 1.25rem; flex-wrap: wrap; }
.logo { font: 700 1.2rem/1 var(--display); color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 1.75rem; flex-wrap: wrap; }
.nav-links a { color: var(--ink-2); text-decoration: none; font-size: 0.95rem; }
.nav-links a:hover { color: var(--blue); }

/* shared type + controls */
h2 { font: 800 clamp(1.7rem, 3.4vw, 2.3rem)/1.1 var(--display); letter-spacing: -0.025em; margin: 0 0 2rem; text-wrap: balance; }
.label { font: 500 0.75rem/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); margin: 0.4rem 0 0; }
.btn { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--blue); color: var(--on-accent); text-decoration: none; font: 600 0.98rem/1 var(--body); padding: 0.85rem 1.4rem; border-radius: 999px; border: 0; cursor: pointer; transition: background .2s, gap .2s; }
.btn:hover { background: var(--blue-dk); gap: 0.75rem; }
.btn[disabled] { opacity: 0.6; cursor: default; }
.textlink { font-weight: 600; text-decoration: none; color: var(--ink-2); border-bottom: 1px solid var(--ink-3); padding-bottom: 2px; }
.textlink:hover { color: var(--blue); }
.field { font: 400 1rem var(--body); padding: 0.75rem 1rem; border: 1.5px solid var(--line); border-radius: 999px; background: var(--bg); color: var(--ink); min-width: 0; }
.field:focus { outline: none; border-color: var(--blue); }
.form-note { font-size: 0.85rem; color: var(--ink-3); margin: 0.5rem 0 0; min-height: 1.3em; }

footer { padding-block: 1.75rem; border-top: 1px solid var(--line); color: var(--ink-3); font-size: 0.85rem; }
footer .wrap { display: flex; gap: 1.5rem; flex-wrap: wrap; }
footer a { color: var(--ink-3); text-decoration: none; }
footer a:hover { color: var(--blue); }
footer .copy { margin-right: auto; }
@media (max-width: 560px) { footer .copy { flex-basis: 100%; } }