/* ═══════════════════════════════════════════════════════════
   TARA Institut — Styles globaux
   ═══════════════════════════════════════════════════════════ */

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

.container--wide   { max-width: var(--container-wide); }
.container--narrow { max-width: var(--container-narrow); }

/* ── Sections ── */
.section {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.section--sm { padding-block: clamp(2.5rem, 5vw, 4rem); }
.section--lg { padding-block: clamp(6rem, 10vw, 9rem); }

.section__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: var(--space-4);
}

[data-theme="dark"] .section__label { color: #E85555; }

.section__label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: var(--radius-full);
}

.section__heading {
  font-size: var(--text-5xl);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  color: var(--text-primary);
  max-width: 22ch;
}

.section__heading--center {
  max-width: 100%;
  text-align: center;
}

.section__subheading {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 60ch;
  margin-top: var(--space-4);
  line-height: var(--leading-relaxed);
}

.section__subheading--center {
  text-align: center;
  margin-inline: auto;
}

/* ── Boutons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px 28px;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  min-height: 48px;
}

.btn svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-base) var(--ease-smooth);
  flex-shrink: 0;
  stroke-width: 2.2;
}

.btn:hover svg.icon-arrow { transform: translateX(4px); }

svg[stroke="currentColor"] {
  stroke: currentColor;
}

svg[fill="none"] {
  fill: none;
}

/* Primaire — Bleu marine TARA */
.btn--primary {
  background: var(--color-navy);
  color: #fff;
  box-shadow: 0 2px 10px rgba(26, 37, 121, 0.35);
}

.btn--primary:hover {
  background: var(--color-navy-light);
  box-shadow: 0 4px 22px rgba(26, 37, 121, 0.45);
  transform: translateY(-1px);
}

.btn--primary:active { transform: translateY(0); }

[data-theme="dark"] .btn--primary {
  background: var(--color-navy-light);
  box-shadow: 0 2px 12px rgba(26, 37, 121, 0.5);
}

[data-theme="dark"] .btn--primary:hover {
  background: #2B42C8;
}

/* Accent — Rouge TARA */
.btn--accent {
  background: var(--color-red);
  color: #fff;
  box-shadow: 0 2px 10px rgba(212, 35, 35, 0.35);
}

.btn--accent:hover {
  background: var(--color-red-dark);
  box-shadow: var(--shadow-red-glow);
  transform: translateY(-1px);
}

/* Outline */
.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-mid);
}

.btn--outline:hover {
  border-color: var(--color-blue-mid);
  color: var(--color-blue-mid);
  background: var(--bg-overlay);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  padding-inline: var(--space-4);
}

.btn--ghost:hover { color: var(--color-blue-mid); }

/* Small */
.btn--sm {
  padding: 10px 20px;
  font-size: var(--text-xs);
  min-height: 40px;
}

/* WhatsApp */
.btn--whatsapp {
  background: #25D366;
  color: #fff;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
}

.btn--whatsapp:hover {
  background: #1ebe5d;
  transform: translateY(-1px);
}

/* ── Badges / Pills ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px 14px;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.badge--primary {
  background: var(--color-navy-pale);
  color: var(--color-navy);
  border: 1px solid rgba(26, 37, 121, 0.2);
}

[data-theme="dark"] .badge--primary {
  background: rgba(26, 37, 121, 0.2);
  border-color: rgba(35, 51, 160, 0.35);
  color: #6B84E8;
}

.badge--accent {
  background: rgba(212, 35, 35, 0.08);
  color: var(--color-red);
  border: 1px solid rgba(212, 35, 35, 0.22);
}

.badge--success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge--danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

/* Niveaux de langue */
.badge--level {
  font-size: 0.65rem;
  font-weight: var(--weight-black);
  padding: 4px 10px;
  letter-spacing: 0.08em;
}

.badge--a1 { background: #ECFDF5; color: #059669; border: 1px solid #6EE7B7; }
.badge--a2 { background: #F0FDF4; color: #16A34A; border: 1px solid #86EFAC; }
.badge--b1 { background: #EFF6FF; color: #2563EB; border: 1px solid #93C5FD; }
.badge--b2 { background: #EEF2FF; color: #4338CA; border: 1px solid #A5B4FC; }
.badge--c1 { background: #FDF4FF; color: #9333EA; border: 1px solid #D8B4FE; }
.badge--c2 { background: #FFF1F2; color: #BE123C; border: 1px solid #FECDD3; }

[data-theme="dark"] .badge--a1 { background: rgba(5,150,105,0.15); border-color: rgba(5,150,105,0.3); }
[data-theme="dark"] .badge--a2 { background: rgba(22,163,74,0.15); border-color: rgba(22,163,74,0.3); }
[data-theme="dark"] .badge--b1 { background: rgba(37,99,235,0.15); border-color: rgba(37,99,235,0.3); }
[data-theme="dark"] .badge--b2 { background: rgba(67,56,202,0.15); border-color: rgba(67,56,202,0.3); }
[data-theme="dark"] .badge--c1 { background: rgba(147,51,234,0.15); border-color: rgba(147,51,234,0.3); }
[data-theme="dark"] .badge--c2 { background: rgba(190,18,60,0.15); border-color: rgba(190,18,60,0.3); }

/* ── Cards ── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  transition: var(--transition-shadow);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card--flat {
  box-shadow: none;
  border-color: var(--border-light);
}

.card--glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-color: var(--glass-border);
}

/* ── Icônes ── */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon svg {
  width: 1em;
  height: 1em;
}

.icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--color-navy-pale);
  color: var(--color-navy);
  transition: var(--transition-base);
  flex-shrink: 0;
}

.icon-wrap svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.75;
}

.icon-wrap--lg {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-xl);
}

.icon-wrap--lg svg {
  width: 28px;
  height: 28px;
}

.icon-wrap--accent {
  background: rgba(212, 35, 35, 0.08);
  color: var(--color-red);
}

.icon-wrap--navy {
  background: var(--color-navy);
  color: #fff;
}

.icon-wrap--red {
  background: var(--color-red);
  color: #fff;
}

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--border-light);
  margin-block: var(--space-8);
}

/* ── Grilles ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ── Utilitaires ── */
.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-right   { text-align: right; }

.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2        { gap: var(--space-2); }
.gap-4        { gap: var(--space-4); }
.gap-6        { gap: var(--space-6); }

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

/* ── Page loader ── */
#page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 400ms var(--ease-smooth), visibility 400ms;
}

#page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-bar {
  width: 180px;
  height: 2px;
  background: var(--border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loader-bar::after {
  content: '';
  display: block;
  height: 100%;
  background: var(--color-blue-mid);
  border-radius: var(--radius-full);
  animation: loader-progress 600ms var(--ease-smooth) forwards;
}

@keyframes loader-progress {
  from { width: 0%; }
  to   { width: 100%; }
}

/* ── WhatsApp flottant — toujours visible, animation de flottement ── */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: var(--z-toast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px 22px;
  background: #25D366;
  color: #fff;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
  opacity: 1;
  pointer-events: auto;
  animation: whatsapp-float-anim 3.4s ease-in-out infinite;
  transition: background var(--duration-base) var(--ease-smooth),
              box-shadow var(--duration-base) var(--ease-smooth);
}

/* Halo pulsant autour du bouton */
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: #25D366;
  z-index: -1;
  animation: whatsapp-pulse 2.6s ease-out infinite;
}

@keyframes whatsapp-float-anim {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes whatsapp-pulse {
  0%   { transform: scale(1);   opacity: 0.55; }
  70%  { transform: scale(1.45); opacity: 0; }
  100% { transform: scale(1.45); opacity: 0; }
}

.whatsapp-float:hover {
  background: #1ebe5d;
  box-shadow: 0 12px 36px rgba(37, 211, 102, 0.6);
  animation-play-state: paused;
}

.whatsapp-float__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.whatsapp-float svg {
  width: 21px;
  height: 21px;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .whatsapp-float span:not(.whatsapp-float__icon) { display: none; }
  .whatsapp-float { padding: 16px; bottom: 20px; right: 20px; }
}