*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
}

a  { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 .7em;
  color: var(--navy);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}
h1 { font-size: clamp(2.1rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.75rem, 2.8vw, 2.5rem); }
h3 { font-size: clamp(1.05rem, 1.6vw, 1.25rem); }

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

/* ── Buttons ─────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-nav);
  font-weight: 600;
  font-size: .92rem;
  border: 2px solid transparent;
  transition: background .2s, border-color .2s, color .2s, box-shadow .2s;
  cursor: pointer;
  text-decoration: none;
  line-height: 1;
}
.btn svg { flex-shrink: 0; }

.btn-primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--navy);
  border-color: var(--navy);
  box-shadow: 0 4px 16px rgba(21,101,192,.35);
}

.btn-outline {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn-outline:hover {
  background: var(--blue);
  color: #fff;
}

/* ── Utilities ───────────────────────────── */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}