/* Scam Rescue India — base.css
   CSS reset + typographic baseline.
   Uses design tokens only — no hardcoded colors or sizes. */

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--sticky-header-offset);
  background-color: var(--color-teal-950);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-relaxed);
  color: var(--color-body);
  background-color: var(--color-surface-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Anchor targets clear sticky header */
section[id], [id]:target {
  scroll-margin-top: var(--sticky-header-offset);
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

ul, ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── Typographic baseline ──────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-heading);
  color: var(--color-primary-ink);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

.display-font {
  font-family: var(--font-display);
}

p {
  line-height: var(--lh-relaxed);
  color: var(--color-body);
}

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

small, .text-small {
  font-size: var(--fs-small);
  color: var(--color-muted);
}

.text-xs {
  font-size: var(--fs-xs);
  color: var(--color-faint);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ── Layout ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ── Skip link ─────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-toast);
  padding: var(--space-3) var(--space-5);
  background: var(--color-amber-500);
  color: var(--color-teal-950);
  font-weight: var(--fw-bold);
  font-size: var(--fs-small);
  border-radius: 8px;
  text-decoration: none;
  transition: top var(--motion-fast) var(--easing-default);
}

.skip-link:focus {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 9999;
  outline: 2px solid var(--color-teal-950);
  outline-offset: 2px;
}

/* ── Focus visible — amber 2px ring ───────────────────── */
*:focus { outline: none; }

*:focus-visible {
  outline: 2px solid var(--color-amber-400);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Specific overrides */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-amber-400);
  outline-offset: 3px;
}

.scam-card:focus-visible {
  outline: 2px solid var(--color-amber-400);
  outline-offset: 3px;
  border-radius: 18px;
}

/* Form inputs — inset ring (for future forms) */
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-amber-400);
  outline-offset: 0;
  box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.15);
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--tap-min);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--fs-button);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-ui);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--motion-fast) var(--easing-default),
    color var(--motion-fast) var(--easing-default),
    box-shadow var(--motion-fast) var(--easing-default);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-accent-on);
}
.btn-accent:hover {
  background-color: var(--color-accent-hover);
}

/* ── Reduced motion ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

/* ── Rescue wizard pages — full-screen immersive ──────── */
body.rescue-protocol-page .site-header,
body.rescue-protocol-page .site-footer { display: none; }
body.rescue-protocol-page { --sri-page-header-offset: 0px; }