/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue-dark:  #1a3a6b;
  --blue-mid:   #2358a8;
  --blue-light: #4a9fd4;
  --blue-pale:  #e8f0fb;
  --red:        #c0392b;
  --white:      #ffffff;
  --gray-50:    #f7f9fc;
  --gray-100:   #eef1f6;
  --gray-300:   #c5cdd8;
  --gray-600:   #5a6678;
  --gray-800:   #2c3547;
  --font:       'Inter', sans-serif;
  --radius:     12px;
  --radius-sm:  8px;
  --shadow:     0 4px 20px rgba(26,58,107,0.10);
  --shadow-lg:  0 8px 40px rgba(26,58,107,0.16);
  --transition: 0.22s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.hidden { display: none !important; }

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 2px solid var(--blue-pale);
  box-shadow: 0 2px 12px rgba(26,58,107,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.logo-svg { flex-shrink: 0; }

.logo-img {
  height: 56px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.logo-main {
  font-size: 16px;
  font-weight: 800;
  color: var(--blue-dark);
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.logo-sub {
  font-size: 11px;
  color: var(--gray-600);
  font-weight: 400;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-800);
  transition: background var(--transition), color var(--transition);
}

.main-nav a:hover { background: var(--blue-pale); color: var(--blue-dark); }

.btn-nav {
  background: var(--blue-dark) !important;
  color: var(--white) !important;
  font-weight: 600 !important;
  padding: 9px 20px !important;
  border-radius: 50px !important;
  transition: background var(--transition) !important;
}

.btn-nav:hover { background: var(--blue-mid) !important; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blue-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 50px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

.btn-primary:hover { background: #a93226; border-color: #a93226; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(192,57,43,0.3); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}

.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: var(--white); }

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
  font-weight: 600;
  padding: 12px 26px;
  border-radius: 50px;
  font-size: 15px;
  display: inline-flex;
  transition: all var(--transition);
}

.btn-outline-light:hover { background: rgba(255,255,255,0.15); }

.btn-full { width: 100%; justify-content: center; border-radius: var(--radius-sm); }

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 90px 0 80px;
  overflow: hidden;
  background: var(--blue-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 80% 50%, rgba(74,159,212,0.22) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 10% 80%, rgba(35,88,168,0.4) 0%, transparent 60%),
    linear-gradient(135deg, #0d2548 0%, #1a3a6b 50%, #1e4a8a 100%);
  z-index: 0;
}

/* Decorative ultrasound wave shapes */
.hero-bg::before {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  border: 40px solid rgba(74,159,212,0.08);
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  right: 60px;
  top: 60px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 25px solid rgba(74,159,212,0.07);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  background: rgba(74,159,212,0.2);
  border: 1px solid rgba(74,159,212,0.4);
  color: #8ac4e8;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  letter-spacing: 0.4px;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: -1px;
}

.hero h1 .highlight { color: #7ac3e8; }

.hero-lead {
  font-size: 17px;
  color: rgba(255,255,255,0.82);
  max-width: 600px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.stat { display: flex; flex-direction: column; }
.stat-n { font-size: 34px; font-weight: 800; color: var(--white); line-height: 1; }
.stat-l { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* ===== CITATION BAR ===== */
.citation-bar {
  background: var(--blue-dark);
  padding: 22px 0;
}

.citation-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.citation-logo {
  height: 80px;
  width: auto;
  object-fit: contain;
  display: block;
}

.citation-bar blockquote {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  font-style: italic;
  letter-spacing: 0.2px;
}

.citation-bar span {
  font-size: .85rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
}

/* ===== COURSE CARD (sans image) ===== */
.card-num-inline {
  font-size: 2.5rem;
  font-weight: 900;
  color: #e2eaf6;
  line-height: 1;
  margin-bottom: 8px;
  font-family: 'Inter', sans-serif;
  letter-spacing: -1px;
}

.badge-acoming-sm {
  display: inline-block;
  background: rgba(192,57,43,.1);
  border: 1px solid rgba(192,57,43,.25);
  color: #c0392b;
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
}

/* ===== CONTACT CHIP WHATSAPP ===== */
.contact-chip-wa {
  background: #e8f8ef !important;
  color: #1a7a40 !important;
  border-color: #b3e6c8 !important;
}
.contact-chip-wa svg { fill: #25d366; }

/* ===== TEL INPUT WITH PREFIX ===== */
.tel-input-wrap {
  display: flex;
  gap: 0;
}
.tel-prefix {
  border-radius: 8px 0 0 8px !important;
  border-right: none !important;
  min-width: 110px;
  flex-shrink: 0;
  background: #f0f4fb;
}
.tel-input-wrap input[type="tel"] {
  border-radius: 0 8px 8px 0 !important;
  flex: 1;
}

/* ===== FORM CHECKBOXES LARGE ===== */
.form-checkbox-group { margin-top: 4px; }
.checkbox-label-lg {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .88rem;
  color: #444;
  line-height: 1.55;
  cursor: pointer;
}
.checkbox-label-lg input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: var(--blue-mid);
}
.form-link { color: var(--blue-mid); text-decoration: underline; }

/* ===== NEWSLETTER BLOCK ===== */
.newsletter-block {
  margin-top: 48px;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 28px 32px;
}
.newsletter-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.newsletter-text { flex: 1; min-width: 200px; }
.newsletter-text h4 {
  font-size: 1rem;
  font-weight: 700;
  color: white;
  margin: 0 0 6px;
}
.newsletter-text p {
  font-size: .87rem;
  color: rgba(255,255,255,.65);
  margin: 0;
}
.newsletter-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.newsletter-form input[type="email"] {
  padding: 11px 16px;
  border-radius: 10px;
  border: 1.5px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.1);
  color: white;
  font-family: 'Inter', sans-serif;
  font-size: .9rem;
  outline: none;
  min-width: 220px;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,.4); }
.newsletter-form input:focus { border-color: var(--blue-light); }

/* ===== CV SOCIETES SAVANTES ===== */
.cv-list-societies li {
  border-left: 3px solid var(--blue-light);
  padding-left: 12px;
  margin-bottom: 8px;
}
.cv-list-societies li strong { font-size: .88rem; color: var(--blue-dark); }

/* ===== SECTIONS ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--gray-50); }
.section-dark { background: var(--blue-dark); }

.section-header {
  text-align: center;
  margin-bottom: 52px;
}

.section-header h2 {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-header p {
  font-size: 17px;
  color: var(--gray-600);
  max-width: 560px;
  margin: 0 auto;
}

.section-header.light h2 { color: var(--white); }
.section-header.light p { color: rgba(255,255,255,0.7); }

/* ===== COURSE CARDS ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

/* ===== COMING BANNER (section formations) ===== */
.coming-banner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(192,57,43,.1);
  border: 1.5px solid rgba(192,57,43,.3);
  color: #c0392b;
  font-size: .82rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 24px;
  margin-top: 12px;
}

/* ===== ATELIERS GRID ===== */
.ateliers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
  gap: 32px;
}

.atelier-card {
  background: white;
  border-radius: 20px;
  border: 1.5px solid #e2eaf6;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(26,58,107,.06);
  transition: box-shadow .2s, transform .2s;
}
.atelier-card:hover {
  box-shadow: 0 8px 32px rgba(26,58,107,.14);
  transform: translateY(-3px);
}

/* Illustration */
.atelier-illu {
  position: relative;
  height: 190px;
  overflow: hidden;
}
.atelier-illu svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.atelier-num {
  position: absolute;
  top: 14px;
  left: 18px;
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(255,255,255,.18);
  font-family: 'Inter', sans-serif;
  line-height: 1;
  letter-spacing: -1px;
}
.badge-acoming {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(192,57,43,.85);
  color: white;
  font-size: .7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .8px;
  backdrop-filter: blur(4px);
}

/* Body */
.atelier-body {
  padding: 24px 26px 22px;
}
.atelier-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .6px;
  margin-bottom: 12px;
}
.atelier-tag.t1       { background: #e8f4fd; color: #1a6fa8; }
.atelier-tag.t3       { background: #e8f0fd; color: #2a3fa8; }
.atelier-tag.gemellaire { background: #fdeee8; color: #a83a1a; }
.atelier-tag.cardio   { background: #fde8e8; color: #a81a1a; }

.atelier-body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--blue-dark);
  margin: 0 0 10px;
  line-height: 1.4;
}
.atelier-body > p {
  font-size: .88rem;
  color: #444;
  line-height: 1.65;
  margin-bottom: 14px;
}
.atelier-points {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.atelier-points li {
  font-size: .83rem;
  color: #555;
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}
.atelier-points li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--blue-light);
  font-size: .8rem;
}
.atelier-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid #eef2f9;
}
.date-label {
  font-size: .8rem;
  color: #c0392b;
  font-weight: 600;
}

/* Responsive */
@media (max-width: 900px) {
  .ateliers-grid {
    grid-template-columns: 1fr;
  }
}

.course-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card-img {
  height: 180px;
  position: relative;
  overflow: hidden;
}

/* Ultrasound-style gradient backgrounds */
.card-img-1 { background: linear-gradient(135deg, #0a1e3d 0%, #1a3a6b 40%, #2358a8 70%, #4a9fd4 100%); }
.card-img-2 { background: linear-gradient(135deg, #0d2548 0%, #1a5276 40%, #1a8fa0 100%); }
.card-img-3 { background: linear-gradient(135deg, #1a0a3d 0%, #3d1a6b 40%, #7b4fa8 100%); }
.card-img-4 { background: linear-gradient(135deg, #0a2010 0%, #1a5230 40%, #27ae60 100%); }
.card-img-5 { background: linear-gradient(135deg, #2d0a0a 0%, #6b1a1a 40%, #a83223 100%); }
.card-img-6 { background: linear-gradient(135deg, #0d1e3d 0%, #1a3a6b 30%, #2c7ba8 60%, #4a9fd4 100%); }

/* Wave decoration on card images */
.card-img::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 36px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.card-logo-overlay {
  position: absolute;
  bottom: 14px;
  right: 14px;
  z-index: 1;
}

.badge-new {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--red);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-body {
  padding: 22px 24px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-tag {
  display: inline-block;
  background: var(--blue-pale);
  color: var(--blue-dark);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.card-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 10px;
  line-height: 1.35;
}

.card-body p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
  flex: 1;
}

.pleniere-list {
  font-size: 14px;
  color: var(--gray-600);
  flex: 1;
}

.pleniere-list li {
  padding: 5px 0;
  border-bottom: 1px solid var(--gray-100);
  line-height: 1.5;
}

.pleniere-list li:last-child { border-bottom: none; }

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--gray-100);
}

.card-level {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-600);
  background: var(--gray-100);
  padding: 3px 10px;
  border-radius: 50px;
}

.card-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--red);
  transition: color var(--transition);
}

.card-link:hover { color: var(--blue-dark); }

.card-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 10px;
}
.card-meta-item {
  font-size: 13px;
  color: #5a7a9a;
  background: #f0f5fb;
  border-radius: 6px;
  padding: 3px 9px;
}

.card-pdf-btn {
  display: inline-block;
  margin: 8px 0 4px;
  font-size: 13px;
  font-weight: 600;
  color: #1a6b3a;
  background: #e8f5ee;
  border: 1px solid #b3d9c0;
  border-radius: 6px;
  padding: 5px 12px;
  text-decoration: none;
  transition: background .15s;
}
.card-pdf-btn:hover { background: #d0edda; }

.adapt-note {
  margin-top: 28px;
  text-align: center;
  font-size: 14px;
  color: var(--gray-600);
  font-style: italic;
}

/* ===== FICHES ===== */
.fiche-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 820px;
  margin: 0 auto;
}

.fiche-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid var(--gray-100);
}

.fiche-header {
  padding: 22px 28px;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: background var(--transition);
}

.fiche-header:hover { background: var(--blue-pale); }

.fiche-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
  min-width: 120px;
}

.fiche-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--blue-dark);
  background: var(--blue-pale);
  padding: 3px 8px;
  border-radius: 50px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.fiche-session {
  font-size: 11px;
  color: var(--gray-600);
  text-align: center;
}

.fiche-header h3 {
  flex: 1;
  font-size: 16px;
  font-weight: 700;
  color: var(--blue-dark);
  line-height: 1.35;
}

.fiche-toggle {
  font-size: 14px;
  color: var(--blue-mid);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-top: 2px;
}

.fiche-header.open .fiche-toggle { transform: rotate(180deg); }

.fiche-body {
  display: none;
  padding: 0 28px 24px;
  border-top: 1px solid var(--gray-100);
}

.fiche-body.open { display: block; }

.qa-block {
  padding: 18px 0;
  border-bottom: 1px solid var(--gray-100);
}

.qa-block:last-child { border-bottom: none; }

.qa-question {
  font-size: 14px;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 3px solid var(--blue-light);
}

.qa-answer {
  font-size: 14px;
  color: var(--gray-800);
  line-height: 1.7;
  padding-left: 12px;
}

.qa-answer ul { padding-left: 20px; list-style: disc; }
.qa-answer ul li { margin-bottom: 4px; }

/* ===== FICHES PREVIEW GRID (page d'accueil) ===== */
.fiches-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 36px;
}
.fiche-preview-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background: white;
  border: 1.5px solid #e2eaf6;
  border-radius: 14px;
  text-decoration: none;
  transition: box-shadow .2s, border-color .2s, transform .15s;
}
.fiche-preview-card:hover {
  box-shadow: 0 6px 24px rgba(26,58,107,.12);
  border-color: var(--blue-light);
  transform: translateY(-2px);
}
.fp-num {
  font-size: .75rem;
  font-weight: 800;
  color: #999;
  letter-spacing: 1px;
}
.fp-tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .5px;
  width: fit-content;
}
.fp-tag.obstetrique { background: #e8f4fd; color: #1a6fa8; }
.fp-tag.gynecologie { background: #fde8f0; color: #a81a4a; }
.fp-tag.amp         { background: #e8fdf0; color: #1aa855; }
.fp-tag.echographie  { background: #f0e8fd; color: #6a1aa8; }
.fiche-preview-card h4 {
  font-size: .92rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin: 0;
  line-height: 1.4;
  flex: 1;
}
.fp-date {
  font-size: .75rem;
  color: #aaa;
  margin-top: auto;
}
.fiches-cta {
  text-align: center;
  margin-top: 8px;
}

.fiche-coming { opacity: 0.65; }
.fiche-coming .fiche-header { cursor: default; }
.fiche-coming .fiche-header:hover { background: var(--white); }

.fiche-badge-coming {
  flex-shrink: 0;
  background: var(--gray-300);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  align-self: center;
}

/* ===== BIO / FORMATEUR ===== */
.bio-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  align-items: start;
}

.bio-card {
  background: var(--blue-pale);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  border: 1px solid rgba(26,58,107,0.1);
  position: sticky;
  top: 90px;
}

.bio-avatar {
  margin-bottom: 18px;
}

.bio-card h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 6px;
}

.bio-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-mid);
  margin-bottom: 10px;
}

.bio-hospital {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.5;
  margin-bottom: 20px;
}

.bio-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.contact-chip {
  display: block;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 13px;
  color: var(--blue-dark);
  font-weight: 500;
  transition: all var(--transition);
  word-break: break-all;
}

.contact-chip:hover { background: var(--blue-dark); color: var(--white); border-color: var(--blue-dark); }

.bio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.bio-tags span {
  background: var(--white);
  border: 1px solid var(--gray-300);
  color: var(--blue-dark);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 50px;
}

.bio-details { display: flex; flex-direction: column; gap: 36px; }

.cv-section h4 {
  font-size: 15px;
  font-weight: 800;
  color: var(--blue-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--blue-pale);
}

.cv-list { display: flex; flex-direction: column; gap: 16px; }

.cv-list li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.cv-date {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-mid);
  background: var(--blue-pale);
  padding: 4px 10px;
  border-radius: 50px;
  white-space: nowrap;
  align-self: flex-start;
  margin-top: 2px;
}

.cv-list li > div strong {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-800);
  display: block;
  margin-bottom: 2px;
}

.cv-list li > div p {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.5;
}

/* ===== FORM ===== */
.form-wrapper {
  max-width: 700px;
  margin: 0 auto;
}

#inscriptionForm {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { margin-bottom: 18px; }

label {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.2px;
}

input, select, textarea {
  font-family: var(--font);
  font-size: 15px;
  color: var(--gray-800);
  background: rgba(255,255,255,0.95);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  width: 100%;
  transition: border-color var(--transition);
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--blue-light);
  background: var(--white);
}

textarea { resize: vertical; min-height: 100px; }

.checkboxes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 6px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  font-weight: 400;
  cursor: pointer;
  padding: 10px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  user-select: none;
}

.checkbox-label:hover { background: rgba(255,255,255,0.12); }

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--blue-light);
  border: none;
  padding: 0;
}

.form-note {
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-top: 14px;
}

/* ===== FORM SUCCESS ===== */
.form-success {
  text-align: center;
  padding: 60px 40px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
}

.success-icon {
  width: 72px;
  height: 72px;
  background: #27ae60;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--white);
  margin: 0 auto 24px;
  font-weight: 700;
}

.form-success h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}

.form-success p {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 28px;
  line-height: 1.6;
}

/* ===== FOOTER ===== */
.site-footer {
  background: #f8f5f0;
  color: #3a3228;
  border-top: 3px solid #1a3a6b;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding: 60px 24px 40px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 20px;
  max-width: 360px;
}

.footer-name {
  font-size: 16px;
  font-weight: 800;
  color: #1a3a6b;
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 13px;
  color: #7a6a55;
  line-height: 1.5;
  font-style: italic;
}

.footer-links {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-links > div {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 160px;
}

.footer-links h5 {
  font-size: 12px;
  font-weight: 700;
  color: #1a3a6b;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.footer-links a {
  font-size: 14px;
  color: #5a4e42;
  transition: color var(--transition);
}

.footer-links a:hover { color: #1a3a6b; }

.footer-links p {
  font-size: 13px;
  color: #7a6a55;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid #e0d8cc;
  padding: 20px 24px;
  background: #f0ebe3;
}

.footer-bottom p {
  font-size: 13px;
  color: #9a8a78;
  text-align: center;
}

/* ===== FOUNDER BADGE ===== */
.founder-badge-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}

.founder-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid));
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 7px 18px;
  border-radius: 50px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.founder-badge::before {
  content: '★';
  color: #ffd700;
  font-size: 13px;
}

/* ===== BIO - extra fields ===== */
/* Photo réelle du fondateur */
.bio-avatar img {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 4px solid var(--white);
  box-shadow: 0 6px 24px rgba(26,58,107,0.18);
  display: block;
  margin: 0 auto 18px;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
}

.bio-rpps {
  font-size: 12px;
  color: var(--gray-600);
  margin-bottom: 16px;
  font-style: italic;
}

/* Infos personnelles dans la bio-card */
.bio-info-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 10px;
}

.bio-info-item {
  font-size: 12px;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 50px;
  padding: 3px 10px;
  font-weight: 500;
}

/* Pill "En cours" dans le CV */
.cv-encours-pill {
  display: inline-block;
  background: #d4edda;
  color: #1a6b35;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 50px;
  margin-left: 6px;
  vertical-align: middle;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.bio-mini-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-dark);
  letter-spacing: 0.4px;
  background: #f0f6ff;
  border: 1.5px solid #d0e4f7;
  border-radius: 12px;
  padding: 10px 14px;
}
.bio-issanou-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.cv-date.cv-en-cours {
  background: #d4edda;
  color: #1a6b35;
}

/* ===== CARD NUMBER ===== */
.card-num {
  position: absolute;
  top: 14px;
  left: 16px;
  font-size: 28px;
  font-weight: 800;
  color: rgba(255,255,255,0.18);
  line-height: 1;
  font-family: var(--font);
  letter-spacing: -1px;
  pointer-events: none;
}

/* ===== TEAM CARDS ===== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.team-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.team-card-top {
  position: relative;
  background: linear-gradient(135deg, #0d2548 0%, #1a3a6b 60%, #2358a8 100%);
  padding: 32px 24px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Wave décoratif en bas de la top-card */
.team-card-top::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0; right: 0;
  height: 28px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.3);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  flex-shrink: 0;
}

.team-logo-badge {
  position: absolute;
  top: 12px;
  right: 14px;
  background: rgba(255,255,255,0.12);
  border-radius: 50%;
  padding: 4px;
  border: 1px solid rgba(255,255,255,0.2);
}

.team-card-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.team-role {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  background: var(--blue-pale);
  color: var(--blue-dark);
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 10px;
}

.founder-role {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid));
  color: var(--white);
}

.team-card-body h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 4px;
  line-height: 1.3;
}

.team-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-mid);
  margin-bottom: 4px;
}

.team-hospital {
  font-size: 12px;
  color: var(--gray-600);
  margin-bottom: 12px;
  font-style: italic;
}

.team-desc {
  font-size: 13.5px;
  color: var(--gray-600);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 14px;
}

.team-specialties {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.team-specialties span {
  font-size: 11px;
  font-weight: 600;
  background: var(--gray-100);
  color: var(--blue-dark);
  padding: 3px 9px;
  border-radius: 50px;
  border: 1px solid var(--gray-300);
}

.team-contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background: var(--blue-dark);
  color: var(--white);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  transition: background var(--transition), transform var(--transition);
  align-self: flex-start;
}

.team-contact-btn:hover {
  background: var(--blue-mid);
  transform: translateY(-1px);
}

/* Carte "rejoindre l'équipe" */
.team-join {
  background: linear-gradient(135deg, #0d2548 0%, #1a3a6b 60%, #1e4a8a 100%);
  border: none;
  align-items: center;
  text-align: center;
  padding: 44px 28px;
  gap: 0;
}

.team-join .team-join-icon {
  margin-bottom: 20px;
  opacity: 0.9;
}

.team-join h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 14px;
}

.team-join p {
  font-size: 14px;
  color: rgba(255,255,255,0.72);
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 260px;
}

/* ===== ACTIVE NAV LINK ===== */
.main-nav a.active {
  background: var(--blue-pale);
  color: var(--blue-dark);
  font-weight: 700;
}

/* ===== SCROLL-IN ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .bio-layout {
    grid-template-columns: 1fr;
  }

  .bio-card { position: static; }

  .cards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .team-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 2px solid var(--blue-pale);
    padding: 16px 24px 20px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    gap: 4px;
    z-index: 99;
  }
  .main-nav.open a { padding: 12px 16px; }
  .burger { display: flex; }

  .logo-sub { display: none; }
  .logo-main { font-size: 14px; }

  .hero { padding: 60px 0 60px; }
  .hero-stats { gap: 24px; }

  .form-row { grid-template-columns: 1fr; }
  .checkboxes { grid-template-columns: 1fr; }

  #inscriptionForm { padding: 24px 20px; }

  .fiche-header { padding: 18px 20px; gap: 10px; }
  .fiche-body { padding: 0 20px 20px; }
  .fiche-meta { min-width: 90px; }

  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-links { gap: 32px; }

  .hero-actions { flex-direction: column; align-items: flex-start; }

  .section { padding: 56px 0; }
  .section-header { margin-bottom: 36px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 28px; }
  .cv-list li { flex-direction: column; gap: 6px; }
  .cv-date { align-self: flex-start; }
}

/* Card badge top (on colored header) */
.card-badge-top {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(255,255,255,0.22);
  color: white;
  font-size: .68rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: .5px;
  backdrop-filter: blur(4px);
}

/* Fixed Guinea prefix */
.tel-prefix-fixed {
  display: flex;
  align-items: center;
  padding: 0 14px;
  background: #f0f4fb;
  border: 1.5px solid #d0daea;
  border-right: none;
  border-radius: 8px 0 0 8px;
  font-size: .9rem;
  font-weight: 600;
  color: #444;
  white-space: nowrap;
}

/* Logo blend modes */
.bio-issanou-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}
.footer-brand img {
  height: 150px;
  width: 150px;
  object-fit: contain;
  flex-shrink: 0;
}
/* ===== CITATION BAR — redesign ===== */
.citation-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 10px 0;
  flex-wrap: wrap;
}
.citation-logo-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 16px;
  padding: 14px 20px;
}
.citation-logo {
  height: 80px;
  width: auto;
  object-fit: contain;
  display: block;
}
.citation-divider {
  width: 2px;
  height: 64px;
  background: rgba(255,255,255,0.18);
  flex-shrink: 0;
}
.citation-text {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.citation-text blockquote {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  font-style: italic;
  letter-spacing: -0.2px;
  line-height: 1.3;
}
.citation-text span {
  font-size: .85rem;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  letter-spacing: 0.3px;
}
@media (max-width: 600px) {
  .citation-inner { flex-direction: column; gap: 18px; text-align: center; }
  .citation-divider { width: 60px; height: 2px; }
}

/* ===== CONDITIONS LINK RED ===== */
.form-link-red {
  color: var(--red) !important;
  font-weight: 600;
  text-decoration: underline;
}
.form-link-red:hover { color: #a93226 !important; }

/* ===== CONDITIONS MODAL ===== */
.cond-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(10,20,50,0.65);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.cond-modal-overlay.open {
  display: flex;
}
.cond-modal-box {
  background: #fff;
  border-radius: 20px;
  max-width: 680px;
  width: 100%;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 80px rgba(10,20,50,0.35);
  animation: modalIn .25s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(24px) scale(.97); }
  to   { opacity: 1; transform: none; }
}
.cond-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 24px 28px 16px;
  border-bottom: 1.5px solid #e8eef6;
  flex-shrink: 0;
}
.cond-modal-header h2 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--blue-dark);
  margin: 0 0 4px;
}
.cond-modal-header p {
  font-size: .8rem;
  color: #888;
  margin: 0;
}
.cond-modal-close {
  background: #f0f4fb;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 1rem;
  cursor: pointer;
  color: #555;
  flex-shrink: 0;
  transition: background .15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cond-modal-close:hover { background: #dde6f5; color: #222; }
.cond-modal-body {
  overflow-y: auto;
  padding: 20px 28px;
  flex: 1;
}
.cond-article-m {
  padding: 16px 0;
  border-bottom: 1px solid #f0f4fb;
}
.cond-article-m:last-child { border-bottom: none; }
.cond-article-m h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .92rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin: 0 0 8px;
}
.art-n {
  background: var(--blue-dark);
  color: white;
  font-size: .68rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 20px;
  white-space: nowrap;
}
.cond-article-m p, .cond-article-m li {
  font-size: .86rem;
  color: #444;
  line-height: 1.7;
  margin: 0;
}
.cond-article-m ul {
  padding-left: 18px;
  margin-top: 6px;
}
.cond-article-m li { margin-bottom: 3px; list-style: disc; }
.cond-article-m a { color: var(--blue-mid); }
.cond-modal-footer {
  padding: 16px 28px 22px;
  border-top: 1.5px solid #e8eef6;
  display: flex;
  justify-content: flex-end;
  flex-shrink: 0;
}
.footer-logo-img {
  height: 72px;
  width: auto;
  object-fit: contain;
}
.team-badge-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
/* ===== HERO — collab line ===== */
.hero-collab {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .85rem;
  color: rgba(255,255,255,0.65);
  margin-top: -8px;
  margin-bottom: 8px;
  max-width: 680px;
  line-height: 1.6;
}
.hero-collab strong { color: rgba(255,255,255,0.9); }
.partenaire-logo {
  height: 110px;
  width: 110px;
  object-fit: contain;
  border-radius: 50%;
  flex-shrink: 0;
  background: rgba(255,255,255,0.95);
  padding: 4px;
}

/* ===== TEAM — conseiller cards ===== */
.team-conseiller .team-role {
  background: linear-gradient(135deg, #2358a8, #4a9fd4);
  color: white;
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 8px;
}
.avatar-conseiller {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #e8f0fb;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid #d0dff7;
}
/* ===== FICHE PREVIEW CARD — PDF button ===== */
.fiche-preview-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.fp-card-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  flex: 1;
  text-decoration: none;
  color: inherit;
  border-radius: 14px 14px 0 0;
}
.fiche-preview-card:has(.fp-pdf-btn) .fp-card-inner {
  border-radius: 14px 14px 0 0;
}
.fp-pdf-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  background: #f0f6ff;
  color: var(--blue-mid);
  font-size: .78rem;
  font-weight: 700;
  text-decoration: none;
  border-top: 1px solid #e2eaf6;
  border-radius: 0 0 14px 14px;
  transition: background .15s, color .15s;
}
.fp-pdf-btn:hover {
  background: var(--blue-dark);
  color: white;
}

/* Fiche PDF bar in mediatheque */
.fiche-pdf-bar {
  margin: 16px 0 8px;
}
.fiche-pdf-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f0f6ff;
  border: 1.5px solid #c8ddf7;
  color: var(--blue-mid);
  font-size: .85rem;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 10px;
  text-decoration: none;
  transition: background .15s, color .15s;
}
.fiche-pdf-link:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  color: white;
}
/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 28px;
  z-index: 999;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue-dark);
  color: white;
  font-size: 1.1rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(26,58,107,.35);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .25s, transform .25s, background .15s;
  pointer-events: none;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover {
  background: var(--blue-mid);
}