/* seminaires.css — Styles for /seminaires B2B seminar page and /seminaires/merci
   Owns: .sem-* classes
   Does NOT own: global tokens, .site-header, .site-footer, .section-label, .section-headline (defined in theme.css) */

/* ===== HERO ===== */
.sem-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  padding-top: 64px;
  overflow: hidden;
}
.sem-hero-img-wrap {
  position: absolute;
  inset: 0;
}
.sem-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  display: block;
}
.sem-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(20, 48, 20, 0.95) 0%,
    rgba(20, 48, 20, 0.6) 45%,
    rgba(20, 48, 20, 0.2) 100%
  );
}
.sem-hero-content {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem 5.5rem;
  width: 100%;
}
.sem-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #7ab87a;
  margin-bottom: 1.25rem;
}
.sem-headline {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  color: #f8f4ed;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.sem-headline em {
  font-style: italic;
  color: #a8d4a8;
}
.sem-sub {
  font-size: 1.1rem;
  color: rgba(248, 244, 237, 0.75);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.sem-cta-btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--accent);
  color: #f8f4ed;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 10px;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
}
.sem-cta-btn:hover {
  background: #3d7a3d;
  transform: translateY(-2px);
}

/* ===== PACKAGES ===== */
.sem-packages {
  padding: 7rem 2rem;
  background: var(--bg);
}
.sem-packages-inner {
  max-width: 1180px;
  margin: 0 auto;
}
.sem-packages-intro {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 4rem;
}
.sem-pkg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: start;
}
.sem-pkg-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.sem-pkg-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}
.sem-pkg-card--highlight {
  border-color: var(--accent);
  background: var(--bg);
  box-shadow: 0 8px 32px rgba(45, 106, 45, 0.12);
}
.sem-pkg-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #f8f4ed;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 1.1rem;
  border-radius: 20px;
  white-space: nowrap;
}
.sem-pkg-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}
.sem-pkg-duration {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--green-light);
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  margin-bottom: 1rem;
}
.sem-pkg-name {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}
.sem-pkg-tagline {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 1.75rem;
}
.sem-pkg-includes {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.sem-pkg-includes li {
  font-size: 0.875rem;
  color: var(--fg-muted);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  line-height: 1.5;
}
.sem-check {
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.05rem;
}
.sem-pkg-pricing {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  margin-bottom: 1.5rem;
}
.sem-pkg-price {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.sem-pkg-hint {
  font-size: 0.78rem;
  color: var(--fg-muted);
  font-weight: 500;
}
.sem-pkg-cta {
  display: block;
  text-align: center;
  padding: 0.85rem 1.5rem;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 10px;
  transition: background 0.2s, color 0.2s, transform 0.15s;
  text-decoration: none;
}
.sem-pkg-cta:hover {
  background: var(--green-light);
  transform: translateY(-1px);
}
.sem-pkg-cta--primary {
  background: var(--accent);
  color: #f8f4ed;
  border-color: var(--accent);
}
.sem-pkg-cta--primary:hover {
  background: #3d7a3d;
  color: #f8f4ed;
}

/* ===== SOCIAL PROOF STRIP ===== */
.sem-proof-strip {
  padding: 5rem 2rem;
  background: var(--green-deep);
}
.sem-proof-strip-inner {
  max-width: 1180px;
  margin: 0 auto;
}
.sem-testimonials-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3.5rem;
}
.sem-testimonial-card {
  background: rgba(248, 244, 237, 0.07);
  border: 1px solid rgba(248, 244, 237, 0.15);
  border-radius: 16px;
  padding: 2rem 1.75rem;
}
.sem-testimonial-quote {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1rem;
  font-weight: 300;
  font-style: italic;
  color: rgba(248, 244, 237, 0.9);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.sem-testimonial-author {
  font-size: 0.78rem;
  color: rgba(248, 244, 237, 0.55);
  line-height: 1.5;
}
.sem-testimonial-author strong {
  color: rgba(248, 244, 237, 0.8);
}
.sem-proof-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}
.sem-proof-stat {
  text-align: center;
}
.sem-proof-stat-num {
  display: block;
  font-family: 'Fraunces', Georgia, serif;
  font-size: 2.5rem;
  font-weight: 600;
  color: #a8d4a8;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.sem-proof-stat-label {
  font-size: 0.8rem;
  color: rgba(248, 244, 237, 0.6);
  display: block;
  max-width: 140px;
  line-height: 1.5;
}
.sem-proof-stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(248, 244, 237, 0.15);
}

/* ===== TRUST BADGES ===== */
.sem-trust-strip {
  padding: 3rem 2rem;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.sem-trust-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.sem-trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.sem-trust-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}
.sem-trust-text {
  display: flex;
  flex-direction: column;
}
.sem-trust-text strong {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.3;
}
.sem-trust-text span {
  font-size: 0.75rem;
  color: var(--fg-muted);
  line-height: 1.4;
}
.sem-trust-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ===== POURQUOI FOLIA ===== */
.sem-why {
  padding: 7rem 2rem;
  background: var(--bg-alt);
}
.sem-why-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.sem-why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}
.sem-why-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.25rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.sem-why-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.07);
}
.sem-why-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.sem-why-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.sem-why-card p {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

/* ===== BANDEAU PREUVE SCIENTIFIQUE ===== */
.sem-proof {
  padding: 6rem 2rem;
  background: var(--bg);
}
.sem-proof-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.sem-proof-intro {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 3.5rem;
}
.sem-proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.sem-proof-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
}
.sem-proof-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--green-light);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  margin-bottom: 1rem;
}
.sem-proof-item p {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.65;
  margin: 0;
}
.sem-proof-cta {
  text-align: center;
}
.sem-proof-link {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  transition: opacity 0.2s;
  text-decoration: none;
}
.sem-proof-link:hover { opacity: 0.7; }

/* ===== FORMULAIRE DEVIS ===== */
.sem-form-section {
  padding: 7rem 2rem;
  background: var(--bg-alt);
}
.sem-form-inner {
  max-width: 800px;
  margin: 0 auto;
}
.sem-form-intro {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 3rem;
}
.sem-form-error {
  background: #fff3f3;
  border: 1px solid #e0a0a0;
  color: #8b2020;
  font-size: 0.9rem;
  padding: 1rem 1.25rem;
  border-radius: 10px;
  margin-bottom: 2rem;
}
.sem-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.sem-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.sem-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.sem-form-group--full {
  grid-column: 1 / -1;
}
.sem-form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fg);
}
.sem-required {
  color: var(--accent);
  font-size: 0.9em;
}
.sem-form-group input,
.sem-form-group select,
.sem-form-group textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--fg);
  background: var(--surface);
  transition: border-color 0.2s;
  box-sizing: border-box;
  -webkit-appearance: none;
  appearance: none;
}
.sem-form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a5a5a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.sem-form-group input:focus,
.sem-form-group select:focus,
.sem-form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.sem-form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.sem-form-submit {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.sem-submit-btn {
  display: inline-block;
  padding: 1rem 2.75rem;
  background: var(--accent);
  color: #f8f4ed;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.sem-submit-btn:hover {
  background: #3d7a3d;
  transform: translateY(-2px);
}
.sem-form-note {
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin: 0;
}

/* ===== FAQ ===== */
.sem-faq {
  padding: 7rem 2rem;
  background: var(--bg);
}
.sem-faq-inner {
  max-width: 800px;
  margin: 0 auto;
}
.sem-faq-list {
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.sem-faq-item {
  border-top: 1px solid var(--border);
}
.sem-faq-item:last-child {
  border-bottom: 1px solid var(--border);
}
.sem-faq-q {
  list-style: none;
  cursor: pointer;
  padding: 1.5rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.sem-faq-q::-webkit-details-marker { display: none; }
.sem-faq-q::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.sem-faq-item[open] .sem-faq-q::after {
  transform: rotate(45deg);
}
.sem-faq-a {
  padding: 0 0 1.5rem;
}
.sem-faq-a p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.75;
  margin: 0;
}

/* ===== CTA CLOSING ===== */
.sem-closing-cta {
  padding: 7rem 2rem;
  background: var(--green-deep);
  text-align: center;
}
.sem-closing-cta-inner {
  max-width: 680px;
  margin: 0 auto;
}
.sem-closing-headline {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 300;
  color: #f8f4ed;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}
.sem-closing-headline em {
  font-style: italic;
  color: #a8d4a8;
}
.sem-closing-sub {
  font-size: 1rem;
  color: rgba(248, 244, 237, 0.7);
  line-height: 1.75;
  margin-bottom: 2.5rem;
}
.sem-closing-btn {
  display: inline-block;
  padding: 1.1rem 3rem;
  background: #f8f4ed;
  color: var(--green-deep);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 10px;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
}
.sem-closing-btn:hover {
  background: #e8f0e8;
  transform: translateY(-2px);
}

/* ===== MERCI PAGE ===== */
.sem-merci-section {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem;
  background: var(--bg);
}
.sem-merci-inner {
  max-width: 560px;
  text-align: center;
}
.sem-merci-icon {
  margin-bottom: 2rem;
}
.sem-merci-headline {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 300;
  color: var(--fg);
  margin-bottom: 1.5rem;
}
.sem-merci-body {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}
.sem-merci-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}
.sem-merci-link-primary {
  display: inline-block;
  padding: 0.9rem 2.25rem;
  background: var(--accent);
  color: #f8f4ed;
  font-weight: 600;
  border-radius: 10px;
  transition: background 0.2s;
  text-decoration: none;
}
.sem-merci-link-primary:hover { background: #3d7a3d; }
.sem-merci-link-secondary {
  display: inline-block;
  padding: 0.9rem 2.25rem;
  border: 1.5px solid var(--border);
  color: var(--fg-muted);
  font-weight: 500;
  border-radius: 10px;
  transition: border-color 0.2s;
  text-decoration: none;
}
.sem-merci-link-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .sem-proof-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .sem-pkg-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .sem-why-grid { grid-template-columns: 1fr; }
  .sem-form-row { grid-template-columns: 1fr; }
  .sem-hero { min-height: 60vh; }
  .sem-packages, .sem-why, .sem-proof, .sem-form-section, .sem-faq, .sem-closing-cta { padding: 5rem 1.5rem; }
  .sem-proof-strip { padding: 4rem 1.5rem; }
  .sem-testimonials-row { grid-template-columns: 1fr; }
  .sem-trust-inner { gap: 1.5rem; }
  .sem-trust-divider { display: none; }
  .sem-proof-stats { gap: 2rem; }
  .sem-proof-stat-divider { display: none; }
}
@media (max-width: 600px) {
  .sem-proof-grid { grid-template-columns: 1fr; }
  .sem-closing-headline { font-size: 2rem; }
  .sem-pkg-grid { max-width: 100%; }
  .sem-form-submit { flex-direction: column; align-items: flex-start; }
}