/* Reset, body, type scale, link styles. */

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--athera-off-white);
  color: var(--athera-charcoal);
  font-family: var(--athera-sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: var(--athera-display);
  font-weight: 300;
  color: var(--athera-charcoal);
  margin: 0;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(40px, 6vw, 72px); line-height: 1;   font-weight: 300; letter-spacing: -0.015em; }
h2 { font-size: clamp(28px, 4vw, 44px); line-height: 1.1; font-weight: 400; }
h3 { font-size: clamp(20px, 2.5vw, 28px); line-height: 1.2; font-weight: 400; }
h4 { font-size: 18px; line-height: 1.3; font-weight: 500; font-family: var(--athera-sans); letter-spacing: 0; }

p { margin: 0 0 var(--space-4) 0; }

a {
  color: var(--athera-blue-deep);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover { color: var(--athera-charcoal); }

/* Eyebrow label — uppercase, tracked, small. Signals section type. */
.label {
  font-family: var(--athera-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--athera-grey);
}
.label-blue {
  font-family: var(--athera-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--athera-blue-deep);
}

.mono {
  font-family: var(--athera-mono);
  font-size: 11px;
  color: var(--athera-grey-light);
}

.muted { color: var(--athera-grey); }
.body-sm { font-size: 13px; line-height: 1.55; color: var(--athera-grey); }
.body-lg { font-size: 18px; line-height: 1.7; color: var(--athera-charcoal-light); font-weight: 300; }

/* Focus visibility — 2px Blue Deep outline, 2px offset (brand accessibility rule) */
:focus-visible {
  outline: 2px solid var(--athera-blue-deep);
  outline-offset: 2px;
}

button { font-family: inherit; }

input[type="date"] {
  font-family: var(--athera-sans);
  font-size: 13px;
  color: var(--athera-charcoal);
  background: var(--athera-white);
  border: 1px solid var(--athera-line);
  border-radius: 2px;
  padding: var(--space-2) var(--space-3);
  transition: border-color 0.2s ease;
}
input[type="date"]:hover { border-color: var(--athera-grey-light); }
input[type="date"]:focus { border-color: var(--athera-blue-deep); }