/* ============================================================
   Desert Bloom Healthcare — Global styles
   Reset, base typography, shared primitives (buttons, eyebrows,
   containers). Component-specific styles live in each .astro file.
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, video, svg { display: block; max-width: 100%; }
img, video { height: auto; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: var(--leading-heading);
  color: var(--color-text);
  margin: 0 0 0.5em;
  text-wrap: balance;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--color-accent-hover); }

:focus-visible {
  outline: 2px solid var(--color-rose);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--color-blush); }

/* --- Layout primitives --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--wide { max-width: var(--container-wide); }
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--section-pad); }
.section--tint { background: var(--color-ivory-deep); }
.section--dark {
  background: var(--color-pine);
  color: var(--color-on-dark);
}
.section--dark h1, .section--dark h2, .section--dark h3,
.section--dark h4, .section--dark h5, .section--dark h6 {
  color: var(--color-on-dark);
}

/* --- Eyebrow --- */
.eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-rose);
  margin: 0 0 1.1rem;
}
.section--dark .eyebrow { color: var(--color-sand); }

/* --- Lead paragraph --- */
.lead {
  font-size: var(--text-md);
  line-height: 1.65;
  color: var(--color-text-muted);
  max-width: 40rem;
}
.section--dark .lead { color: rgba(247, 242, 234, 0.82); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.9rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-rose);
  color: #fff;
}
.btn--primary:hover { background: var(--color-rose-deep); color: #fff; }

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-line);
}
.btn--outline:hover { border-color: var(--color-rose); color: var(--color-rose-deep); }

.btn--light {
  background: var(--color-on-dark);
  color: var(--color-pine);
}
.btn--light:hover { background: #fff; color: var(--color-pine); }

.btn--outline-light {
  background: transparent;
  color: var(--color-on-dark);
  border-color: rgba(247, 242, 234, 0.45);
}
.btn--outline-light:hover { border-color: var(--color-on-dark); color: #fff; }

/* --- Text link with arrow --- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.03em;
  text-decoration: none;
}
.link-arrow .arrow { transition: transform var(--duration-fast) var(--ease-out); }
.link-arrow:hover .arrow { transform: translateX(4px); }

/* --- Section header block --- */
.section-head { max-width: 44rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .lead { margin-inline: auto; }

/* --- Reveal on scroll (subtle, JS-gated) --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .link-arrow .arrow { transition: none; }
}

/* --- Skip link --- */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 200;
  background: var(--color-pine);
  color: var(--color-on-dark);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top var(--duration-fast) var(--ease-out);
}
.skip-link:focus { top: 1rem; color: var(--color-on-dark); }

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