/* ============================================================
   OtoMaths — index.css
   Styles spécifiques à la page d'accueil
   ============================================================ */


/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  background: var(--navy);
  margin: 14px 2rem 0;
  border-radius: var(--r-2xl);
  padding: 4.5rem 3rem 3.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(46,204,113,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(26,107,176,0.2) 0%, transparent 50%);
  pointer-events: none;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(46,204,113,0.15);
  border: 1px solid rgba(46,204,113,0.3);
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  position: relative;
}

.hero-title {
  font-size: 44px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -1.5px;
  line-height: 1.05;
  margin-bottom: 1.25rem;
  position: relative;
}

.hero-title span {
  color: var(--green);
}

.hero-sub {
  font-size: 15px;
  color: rgba(255,255,255,0.45);
  max-width: 480px;
  margin: 0 auto 2rem;
  line-height: 1.6;
  position: relative;
}

.hero-ctas {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  position: relative;
}

.hero-btn-secondary {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  border: 1.5px solid rgba(255,255,255,0.15);
}

.hero-btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  color: var(--white);
}

.hero-stats {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

.hero-stat {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 10px 20px;
  text-align: center;
}

.hero-stat-val {
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}

.hero-stat-label {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  margin-top: 3px;
}


/* ── SECTIONS ─────────────────────────────────────────────── */
.section {
  padding: 3rem 0 0;
}

.section-header {
  margin-bottom: 1.5rem;
}


/* ── FLOW RÔLES ───────────────────────────────────────────── */
.flow-grid {
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  align-items: start;
  gap: 0;
  margin-bottom: 0;
}

.flow-card {
  background: var(--white);
  border-radius: var(--r-xl);
  border: 2px solid var(--border);
  padding: 1.4rem 1.25rem;
  transition: box-shadow var(--t-fast);
}

.flow-card:hover {
  box-shadow: var(--shadow-md);
}

.flow-prof {
  border-color: var(--blue);
}

.flow-eleve {
  border-color: var(--green);
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 40px;
  font-size: 20px;
  color: var(--text-muted);
}

.flow-icon {
  font-size: 26px;
  margin-bottom: 8px;
}

.flow-role {
  margin-bottom: 8px;
}

.flow-name {
  font-size: 15px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
  margin-top: 6px;
}

.flow-desc {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.55;
  margin-bottom: 12px;
}

.flow-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.flow-feat {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  color: var(--text-mid);
  line-height: 1.4;
}

.flow-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}


/* ── CONNEXION CARDS ──────────────────────────────────────── */
.conn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.conn-card {
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 2px solid var(--border);
  transition: transform var(--t-med), box-shadow var(--t-med);
}

.conn-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.conn-top {
  padding: 1.4rem 1.5rem;
}

.conn-bottom {
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.conn-icon {
  font-size: 28px;
  margin-bottom: 10px;
}

.conn-title {
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 6px;
}

.conn-desc {
  font-size: 12px;
  line-height: 1.5;
}

.conn-hint {
  font-size: 12px;
  line-height: 1.5;
}

.conn-link-blue {
  color: var(--blue);
  font-weight: 600;
  cursor: pointer;
}

.conn-link-blue:hover { text-decoration: underline; }

.conn-link-green {
  color: var(--green-dark);
  font-weight: 600;
  cursor: pointer;
}

.conn-link-green:hover { text-decoration: underline; }

/* Card prof */
.conn-prof { border-color: var(--blue); }
.conn-prof .conn-top { background: var(--navy); }
.conn-prof .conn-title { color: var(--white); }
.conn-prof .conn-desc { color: rgba(255,255,255,0.4); }
.conn-prof .conn-bottom { background: var(--white); }
.conn-prof .conn-hint { color: var(--text-light); }

/* Card élève */
.conn-eleve { border-color: var(--green); }
.conn-eleve .conn-top { background: var(--white); }
.conn-eleve .conn-title { color: var(--text); }
.conn-eleve .conn-desc { color: var(--text-light); }
.conn-eleve .conn-bottom { background: #F4FAF7; border-top: 1px solid #D6F5E7; }
.conn-eleve .conn-hint { color: var(--text-light); }


/* ── CODE PREMIÈRE CONNEXION ──────────────────────────────── */
.firstcode-section {
  padding: 3rem 0 0;
}

.firstcode-card {
  background: var(--white);
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.firstcode-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-md);
  background: #EEEDFE;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.firstcode-info {
  flex: 1;
}

.firstcode-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 3px;
}

.firstcode-desc {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 10px;
}

.firstcode-form {
  display: flex;
  gap: 8px;
}

.code-field {
  flex: 1;
  padding: 9px 14px;
  border-radius: 9px;
  border: 1.5px solid var(--border);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  background: var(--bg);
  letter-spacing: 2px;
  outline: none;
  transition: border-color var(--t-fast);
  text-transform: uppercase;
}

.code-field:focus {
  border-color: var(--navy);
  background: var(--white);
}

.code-field::placeholder {
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}


/* ── STEPS ────────────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  list-style: none;
  padding-bottom: 3rem;
}

.step-card {
  background: var(--white);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  padding: 1.1rem 1rem;
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  background: var(--navy);
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.step-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 5px;
}

.step-desc {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.5;
}


/* ── APERÇU AUTOMATISMES ──────────────────────────────────── */
.apercu-card {
  background: var(--white);
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  overflow: hidden;
}

.apercu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.apercu-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.apercu-card-count {
  font-size: 12px;
  color: var(--text-muted);
}

.apercu-list {
  list-style: none;
}

.apercu-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 1.5rem;
  border-bottom: 1px solid var(--border-light);
  transition: background var(--t-fast);
}

.apercu-row:last-child {
  border-bottom: none;
}

.apercu-row:not(.apercu-row-more):hover {
  background: #FAFBFD;
}

.apercu-pip {
  width: 4px;
  height: 28px;
  border-radius: 2px;
  flex-shrink: 0;
}

.apercu-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.apercu-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.apercu-domain {
  font-size: 12px;
  color: var(--text-muted);
}

.apercu-row-more {
  background: #FAFBFD;
  align-items: center;
}

.apercu-more-text {
  flex: 1;
  font-size: 13px;
  color: var(--text-muted);
}


/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero {
    margin: 10px 1rem 0;
    padding: 3rem 1.5rem 2.5rem;
  }

  .hero-title { font-size: 28px; letter-spacing: -0.8px; }
  .hero-sub   { font-size: 14px; }

  .flow-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .flow-arrow { display: none; }

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

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

  .firstcode-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem;
  }

  .firstcode-form {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: 8px;
  }

  .hero-stat {
    padding: 8px 14px;
  }
}