/* ==========================================================================
   SuivX - Page Contact & Démonstration (contact.css)
   Conforme Google Mobile-First, Touch Targets >= 44px, Anti-Zoom iOS Safari
   ========================================================================== */

:root {
  --suivx-forest-deep: #0D3D2C;
  --suivx-forest: #1A4731;
  --suivx-forest-light: #E8F5EF;
  --suivx-emerald: #10B981;
  --suivx-emerald-hover: #059669;
  --suivx-accent: #2D7A4F;
  --mint: #F2F8F5;
  --light: #E8F5EE;
  --border: #C8E6D4;
  --text-main: #0D1A12;
  --text-heading: #09261B;
  --text-muted: #64748B;
  --bg-page: #FFFFFF;
  --bg-surface: #FFFFFF;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 18px rgba(13, 61, 44, 0.06);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
}

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

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background: var(--bg-page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  background: var(--mint);
  padding: clamp(3.5rem, 7vw, 5rem) clamp(1.25rem, 4vw, 2.5rem) clamp(2.5rem, 5vw, 4rem);
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--suivx-accent);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5.5vw, 2.75rem);
  font-weight: 800;
  color: var(--suivx-forest-deep);
  line-height: 1.2;
  letter-spacing: -0.8px;
  margin-bottom: 1rem;
}

.hero p {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ==========================================================================
   CONTACT SECTION LAYOUT
   ========================================================================== */
.contact-section {
  padding: clamp(3rem, 6vw, 5rem) clamp(1.25rem, 4vw, 2.5rem);
  max-width: 1140px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(2rem, 4vw, 3.75rem);
  align-items: start;
}

/* ==========================================================================
   LEFT COLUMN : COORDONNÉES & CARTE DEMO
   ========================================================================== */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-card {
  background: linear-gradient(145deg, var(--suivx-forest-deep) 0%, #133E2B 100%);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3.5vw, 2rem);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.contact-info-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 1.5rem;
  letter-spacing: -0.2px;
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.contact-item:last-child {
  margin-bottom: 0;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--suivx-emerald);
}

.contact-item h4 {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 3px;
}

.contact-item p {
  font-size: 0.875rem;
  color: #CBD5E1;
  line-height: 1.5;
}

.demo-card {
  background: var(--mint);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3.5vw, 1.75rem);
  box-shadow: var(--shadow-sm);
}

.demo-card h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--suivx-forest-deep);
  margin-bottom: 8px;
}

.demo-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.demo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: #FFFFFF;
  background: var(--suivx-emerald);
  padding: 12px 22px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 3px 10px rgba(16, 185, 129, 0.35);
  box-sizing: border-box;
}

.demo-btn:hover {
  background: var(--suivx-emerald-hover);
  transform: translateY(-1px);
}

/* ==========================================================================
   RIGHT COLUMN : FORMULAIRE DE CONTACT
   ========================================================================== */
.form-card {
  background: var(--bg-surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--shadow-sm);
  box-sizing: border-box;
}

.form-card h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 3.5vw, 1.6rem);
  font-weight: 800;
  color: var(--suivx-forest-deep);
  margin-bottom: 1.5rem;
  letter-spacing: -0.4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 16px !important; /* Anti-zoom forcé iOS Safari */
  color: var(--text-main);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  min-height: 48px;
  background: #FFFFFF;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
  width: 100%;
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%231A4731' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--suivx-emerald);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.submit-btn {
  width: 100%;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  background: var(--suivx-forest-deep);
  border: none;
  padding: 14px 24px;
  min-height: 48px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.submit-btn:hover {
  background: var(--suivx-forest);
  transform: translateY(-1px);
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Alertes & Notifications */
.success-msg {
  display: none;
  background: #ECFDF5;
  border: 1.5px solid #A7F3D0;
  color: #065F46;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  line-height: 1.5;
  margin-top: 1.25rem;
}

.error-msg {
  display: none;
  background: #FEF2F2;
  border: 1.5px solid #FECACA;
  color: #991B1B;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  line-height: 1.5;
  margin-top: 1.25rem;
}

/* ==========================================================================
   FOOTER STANDARDISÉ SUIVX
   ========================================================================== */
footer {
  background: var(--mint);
  border-top: 1px solid var(--border);
  padding: 60px 40px 40px;
}

.f-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto 60px;
}

.f-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--suivx-forest-deep);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.f-logo .f-logo-text {
  display: inline;
  white-space: nowrap;
  color: var(--suivx-forest-deep);
}

.f-logo .f-logo-text span,
.f-logo span {
  color: var(--suivx-accent);
}

.f-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 280px;
}

.f-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--suivx-forest-deep);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.f-col a {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.f-col a:hover {
  color: var(--suivx-forest-deep);
}

.f-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  font-size: 13px;
  color: var(--text-muted);
}

/* ==========================================================================
   MEDIA QUERIES (MOBILE FIRST COMPATIBILITY)
   ========================================================================== */
@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .f-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 40px;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 2.5rem 1rem 2rem;
  }

  .contact-section {
    padding: 2rem 1rem 3rem;
  }

  .f-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .f-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}