/* ═══════════════════════════════════════════════════════════
   FULTERNET — Base Styles
   Reset, typography, body, and foundational elements.
   ═══════════════════════════════════════════════════════════ */

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: var(--leading-tight);
  color: var(--text-primary);
}

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

p {
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-luxe);
}

a:hover {
  color: var(--text-primary);
}

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

::selection {
  background: var(--accent);
  color: var(--bg-primary);
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-dim);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ── Labels ── */
.label {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ── Section Label (decorative) ── */
.section-label {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.section-label::after {
  content: '';
  display: block;
  width: 60px;
  height: 1px;
  background: var(--accent-dim);
}

/* ── Screen Reader Only (a11y) ── */
.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;
}

/* ── Skip to content (a11y) ── */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-xs) var(--space-sm);
  background: var(--accent);
  color: var(--bg-primary);
  font-size: var(--text-small);
  font-weight: 600;
  border-radius: 0 0 4px 4px;
  z-index: 9999;
  transition: top var(--duration-fast) var(--ease-out-expo);
}

.skip-to-content:focus {
  top: 0;
}

/* ── Bilingual Toggle ── */
[data-lang="fr"] { display: none; }

html[lang="fr"] [data-lang="en"] { display: none; }
html[lang="fr"] [data-lang="fr"] { display: revert; }

/* For inline spans */
html[lang="fr"] span[data-lang="en"],
html[lang="fr"] option[data-lang="en"] { display: none; }
html[lang="fr"] span[data-lang="fr"],
html[lang="fr"] option[data-lang="fr"] { display: revert; }

html[lang="en"] span[data-lang="fr"],
html[lang="en"] option[data-lang="fr"] { display: none; }