/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.15; font-weight: 700; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
ul { list-style: none; padding: 0; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: 64px 0; }
.section--gray { background: var(--bg-2); }
.eyebrow { color: var(--brand); font-weight: 600; font-size: var(--fs-sm); letter-spacing: .04em; }
.lead { color: var(--ink-2); font-size: var(--fs-body); }
.muted { color: var(--muted); }
.center { text-align: center; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font: inherit; font-size: var(--fs-sm); font-weight: 600; cursor: pointer;
  border: 1px solid transparent; border-radius: var(--pill);
  padding: 14px 32px; transition: .15s ease; white-space: nowrap;
}
.btn--primary { background: var(--brand); color: #fff; }
.btn--primary:hover { background: var(--brand-d); }
.btn--ghost { background: transparent; color: var(--brand); border: 1px dashed var(--brand); }
.btn--ghost:hover { background: var(--brand-l); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--block { width: 100%; }
.link-underline { text-decoration: underline; text-underline-offset: 3px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header__row { display: flex; align-items: center; gap: 40px; height: 80px; }
.brand { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-weight: 800; font-size: 26px; letter-spacing: .02em; }
.brand__name b { color: var(--brand); }
.brand__tag { font-size: 9px; letter-spacing: .46em; text-transform: uppercase; color: var(--muted); }
.nav { display: flex; gap: 36px; margin-left: auto; }
.nav a { font-size: var(--fs-sm); font-weight: 300; color: var(--ink-2); }
.nav a:hover { color: var(--brand); }
.header-actions { display: flex; align-items: center; gap: 20px; }

/* Footer */
.site-footer { background: var(--footer); color: #cfcfcf; padding: 48px 0 28px; }
.footer-grid { display: flex; flex-wrap: wrap; gap: 48px; justify-content: space-between; }
.footer-col h4 { color: #fff; font-size: var(--fs-sm); margin-bottom: 16px; }
.footer-col a { display: block; color: #bdbdbd; font-size: var(--fs-sm); padding: 5px 0; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--footer-line); margin-top: 36px; padding-top: 20px;
  font-size: var(--fs-xs); color: #9a9a9a; flex-wrap: wrap; gap: 12px; }

@media (max-width: 900px) {
  :root { --fs-h1: 34px; --fs-h2: 28px; --fs-body: 17px; }
  .nav { display: none; }
}