/* ══════════════════════════════════════════════════════════════
   components.css – Navigation, Buttons, Cards, Module, Footer, …
   Prof. Dr. Kai T. Horstmann
   ══════════════════════════════════════════════════════════════ */

/* ── Navigation ─────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(26, 23, 20, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding: 1rem 2rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand {
  font-family: var(--ff-head);
  font-size: 1.065rem;
  color: var(--white);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.nav-brand span { color: var(--white); }
.nav-brand a { color: inherit; }
.nav-links {
  display: flex; gap: 2rem; list-style: none;
}
.nav-links a {
  font-family: var(--ff-ui);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: rgba(253,252,251,0.55);
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--white); }
.nav-cta {
  background: var(--ox);
  color: var(--white) !important;
  padding: 0.4rem 1.1rem;
  border-radius: 2px;
  font-weight: 500 !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--ox-mid) !important; }

/* ── Mobile Nav Toggle ──────────────────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(253,252,251,0.7);
  border-radius: 1px;
  transition: all 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  font-family: var(--ff-ui);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.85rem 2rem;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.25s;
  display: inline-block;
}
.btn-primary {
  background: var(--ox);
  color: var(--white);
}
.btn-primary:hover { background: var(--ox-mid); transform: translateY(-1px); }
.btn-ghost {
  border: 1px solid rgba(253,252,251,0.25);
  color: rgba(253,252,251,0.8);
}
.btn-ghost:hover { border-color: rgba(253,252,251,0.6); color: var(--white); }
.btn-outline {
  border: 1px solid var(--lt-gray);
  color: var(--dark);
  background: transparent;
}
.btn-outline:hover { border-color: var(--ox); color: var(--ox); transform: translateY(-1px); }
.btn-submit {
  background: var(--ox);
  color: var(--white);
  border: none;
  font-family: var(--ff-ui);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 1rem 2rem;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.25s;
  text-align: center;
}
.btn-submit:hover { background: var(--ox-mid); transform: translateY(-1px); }

/* ── Phase Cards ────────────────────────────────────────────── */
.phase-card {
  padding: 2.5rem 2rem;
  position: relative;
  transition: background var(--transition);
}
.phase-card:hover { background: rgba(110,28,28,0.06); }
.phase-divider {
  background: linear-gradient(to bottom, transparent, var(--lt-gray), transparent);
  margin: 1rem 0;
}
.phase-num {
  font-family: var(--ff-head);
  font-size: 3.5rem;
  font-weight: 700;
  color: rgba(0,0,0,0.06);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.phase-badge {
  display: inline-block;
  font-family: var(--ff-ui);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--ox);
  color: var(--white);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  margin-bottom: 1rem;
}
.phase-time {
  font-family: var(--ff-head);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.8rem;
}
.phase-title {
  font-family: var(--ff-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 1rem;
  line-height: 1.3;
}
.phase-desc {
  font-family: var(--ff-body);
  font-size: 0.9rem;
  color: var(--mid-gray);
  line-height: 1.7;
}
.phase-items {
  margin-top: 1.2rem;
  list-style: none;
}
.phase-items li {
  font-family: var(--ff-ui);
  font-size: 0.82rem;
  color: var(--mid-gray);
  padding: 0.35rem 0;
  padding-left: 1.2rem;
  position: relative;
  border-bottom: 1px solid var(--lt-gray);
}
.phase-items li::before {
  content: '→';
  position: absolute; left: 0;
  color: var(--ox-light);
  font-size: 0.7rem;
}

/* ── Curriculum Module ──────────────────────────────────────── */
.module {
  margin-bottom: 0;
  border: none;
  border-bottom: 1px solid var(--lt-gray);
  border-radius: 0;
  overflow: hidden;
}
.curriculum-header + .module { border-top: 1px solid var(--lt-gray); }
.module-header {
  background: transparent;
  padding: 1.4rem 0;
  display: flex; align-items: center; gap: 1.5rem;
  cursor: pointer;
  transition: opacity 0.2s;
}
.module-header:hover { opacity: 0.7; }
.module-header.open  { background: transparent; }
.module-num-badge {
  font-family: var(--ff-ui);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--mid-gray);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  min-width: 60px;
}
.module-header.open .module-num-badge { color: var(--ox); }
.module-title-text {
  font-family: var(--ff-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  flex: 1;
}
.module-toggle {
  color: var(--mid-gray);
  font-size: 1.2rem;
  font-family: var(--ff-ui);
  transition: transform 0.3s;
}
.module-header.open .module-toggle {
  color: var(--ox);
  transform: rotate(45deg);
}
.module-body { display: none; background: transparent; }
.module-body.open { display: block; }

.unit {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 0 1.5rem;
  padding: 1.4rem 1.8rem;
  border-bottom: 1px solid var(--cream);
  align-items: start;
  transition: background 0.2s;
}
.unit:last-child { border-bottom: none; }
.unit:hover { background: var(--cream); }
.unit-num {
  font-family: var(--ff-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--lt-gray);
  line-height: 1;
  padding-top: 3px;
}
.unit-content h4 {
  font-family: var(--ff-head);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.35rem;
  line-height: 1.3;
}
.unit-content p {
  font-family: var(--ff-body);
  font-size: 0.83rem;
  color: var(--mid-gray);
  line-height: 1.6;
}
.unit-hw {
  font-family: var(--ff-ui);
  font-size: 0.72rem;
  color: var(--ox);
  background: rgba(110,28,28,0.06);
  border: 1px solid rgba(110,28,28,0.15);
  padding: 0.3rem 0.7rem;
  border-radius: 2px;
  white-space: nowrap;
  margin-top: 4px;
  align-self: start;
}

/* ── Portrait / Dozent ──────────────────────────────────────── */
.portrait-frame { position: relative; }
.portrait-img {
  width: 100%;
  aspect-ratio: 3/4;
  background: var(--charcoal);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.portrait-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--charcoal), var(--dark));
  color: rgba(253,252,251,0.2);
}
.portrait-placeholder svg { width: 64px; height: 64px; margin-bottom: 1rem; }
.portrait-placeholder p {
  font-family: var(--ff-ui);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.portrait-deco {
  position: absolute;
  bottom: -16px; right: -16px;
  width: 80%; height: 80%;
  border: 2px solid var(--lt-gray);
  border-radius: 2px;
  z-index: -1;
}
.dozent-info h2 {
  font-family: var(--ff-head);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--dark);
  margin: 0.8rem 0 0.3rem;
  line-height: 1.2;
}
.dozent-role {
  font-family: var(--ff-body);
  font-size: 1rem;
  font-style: italic;
  color: var(--mid-gray);
  margin-bottom: 1.5rem;
}
.dozent-text {
  font-family: var(--ff-body);
  font-size: 0.95rem;
  color: var(--charcoal);
  line-height: 1.85;
  margin-bottom: 2rem;
}
.credentials {
  list-style: none;
  display: flex; flex-direction: column; gap: 0.7rem;
}
.credentials li {
  display: flex; align-items: flex-start; gap: 0.8rem;
  font-family: var(--ff-ui);
  font-size: 0.85rem;
  color: var(--charcoal);
  line-height: 1.5;
}
.cred-dot {
  width: 6px; height: 6px;
  background: var(--ox);
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

/* ── Pricing Cards ──────────────────────────────────────────── */
.price-card {
  border: none;
  border-top: 2px solid var(--lt-gray);
  padding: 2.5rem 0;
  border-radius: 0;
  transition: border-top-color 0.3s;
  background: transparent;
}
.price-card:hover { border-top-color: var(--ox); transform: none; }
.price-badge {
  font-family: var(--ff-ui);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--ox);
  color: var(--white);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 1.2rem;
}
.price-title {
  font-family: var(--ff-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.5rem;
}
.price-amount {
  font-family: var(--ff-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.price-amount sup { font-size: 0.85rem; vertical-align: super; }
.price-note {
  font-family: var(--ff-ui);
  font-size: 0.75rem;
  color: var(--mid-gray);
  margin-bottom: 1.5rem;
}
.price-features {
  list-style: none;
  display: flex; flex-direction: column; gap: 0.55rem;
}
.price-features li {
  font-family: var(--ff-ui);
  font-size: 0.83rem;
  color: var(--mid-gray);
  display: flex; gap: 0.6rem; align-items: flex-start;
}
.price-features li::before {
  content: '–';
  color: var(--ox-light);
  font-size: 0.8rem;
  flex-shrink: 0;
}
.pricing-extras {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: transparent;
  margin-top: 3rem;
  max-width: 800px;
  margin-left: auto; margin-right: auto;
  border: none;
  border-top: 1px solid var(--lt-gray);
  padding-top: 2rem;
}
.extra-item {
  background: transparent;
  padding: 0 1.5rem;
  text-align: center;
  border-right: 1px solid var(--lt-gray);
}
.extra-item:first-child { padding-left: 0; }
.extra-item:last-child  { border-right: none; padding-right: 0; }
.extra-item strong {
  display: block;
  font-family: var(--ff-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.3rem;
}
.extra-item span {
  font-family: var(--ff-ui);
  font-size: 0.78rem;
  color: var(--mid-gray);
}


/* ── Kontaktformular ────────────────────────────────────────── */
form {
  display: flex; flex-direction: column; gap: 1.2rem;
}
.form-group {
  display: flex; flex-direction: column; gap: 0.4rem;
}
.form-group label {
  font-family: var(--ff-ui);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(253,252,251,0.45);
}
.form-group input,
.form-group textarea,
.form-group select {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--white);
  font-family: var(--ff-body);
  font-size: 0.9rem;
  padding: 0.8rem 1rem;
  border-radius: 2px;
  transition: border-color 0.2s;
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: rgba(255,255,255,0.35); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group select option { background: var(--charcoal); }

/* ── Workshop-Karte (Übersicht) ─────────────────────────────── */
.workshop-card {
  border: none;
  border-top: 1px solid var(--lt-gray);
  border-radius: 0;
  padding: 2.5rem 0;
  background: transparent;
  transition: none;
}
.workshop-card:hover {
  border-top-color: var(--lt-gray);
  transform: none;
  box-shadow: none;
}
.workshop-card-badge {
  font-family: var(--ff-ui);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--ox);
  color: var(--white);
  padding: 0.25rem 0.7rem;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 1.2rem;
}
.workshop-card h3 {
  font-family: var(--ff-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.8rem;
  line-height: 1.3;
}
.workshop-card-desc {
  font-family: var(--ff-body);
  font-size: 0.93rem;
  color: var(--mid-gray);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}
.workshop-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 2rem;
}
.workshop-card-meta span {
  font-family: var(--ff-ui);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: none;
  color: var(--mid-gray);
  padding: 0;
  border-radius: 0;
}
.workshop-card-meta span + span::before {
  content: ' · ';
  color: var(--lt-gray);
  padding: 0 0.35rem;
}
.workshop-card.placeholder {
  opacity: 0.4;
  pointer-events: none;
}

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  background: var(--dark);
  padding: 2rem;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.06);
}
footer p {
  font-family: var(--ff-ui);
  font-size: 0.78rem;
  color: rgba(253,252,251,0.25);
}
footer a { color: rgba(253,252,251,0.35); }
footer a:hover { color: var(--white); }