/* ==========================================================================
   AE School — Akademie für Englisch & Prüfungsvorbereitung
   Classic Professional German Educational Portal Stylesheet
   ========================================================================== */

:root {
  --navy-dark: #0f2442;
  --navy-main: #16325c;
  --navy-light: #23477c;
  --accent-red: #a82820;
  --accent-red-hover: #8b1f18;
  --accent-gold: #c59b27;
  --bg-page: #f4f6f9;
  --bg-white: #ffffff;
  --bg-subtle: #eaeff5;
  --text-main: #1e2631;
  --text-muted: #526071;
  --border-color: #cfd8e3;
  --border-dark: #b0bece;
  --success-bg: #edf7ed;
  --success-border: #2e7d32;
  --success-text: #1b5e20;
  --error-bg: #fdf2f2;
  --error-border: #c62828;
  --error-text: #991b1b;
  --font-sans: "Segoe UI", "Helvetica Neue", Arial, "Liberation Sans", sans-serif;
  --font-serif: Georgia, "Times New Roman", Times, serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-page);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--navy-main);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --------------------------------------------------------------------------
   Top Utility Bar
   -------------------------------------------------------------------------- */
.topbar {
  background-color: var(--navy-dark);
  color: #dbe4f0;
  font-size: 0.82rem;
  border-bottom: 1px solid #243b5c;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  flex-wrap: wrap;
  gap: 10px;
}

.topbar-info {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.topbar-divider {
  color: #48658f;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  background: #18345e;
  border: 1px solid #355687;
  border-radius: 3px;
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: none;
  color: #bfd0e6;
  padding: 3px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: background-color 0.15s, color 0.15s;
}

.lang-btn:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.08);
}

.lang-btn.active {
  background-color: var(--accent-gold);
  color: var(--navy-dark);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  background-color: var(--bg-white);
  border-bottom: 3px solid var(--navy-main);
  box-shadow: 0 1px 4px rgba(15, 36, 66, 0.06);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-crest {
  width: 48px;
  height: 48px;
  background-color: var(--navy-main);
  border: 2px solid var(--accent-gold);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: bold;
  color: #ffffff;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: bold;
  color: var(--navy-dark);
  line-height: 1.15;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.main-nav a {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--navy-dark);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover {
  text-decoration: none;
  color: var(--accent-red);
  border-bottom-color: var(--accent-red);
}

.header-cta {
  background-color: var(--navy-main);
  color: #ffffff !important;
  padding: 8px 15px !important;
  border-radius: 3px;
  font-size: 0.88rem !important;
  border-bottom: none !important;
}

.header-cta:hover {
  background-color: var(--navy-light) !important;
}

/* --------------------------------------------------------------------------
   Promo Campaign Ribbon (Ad Banner)
   -------------------------------------------------------------------------- */
.promo-ribbon {
  background-color: #fff8e6;
  border-bottom: 1px solid #e6cf8b;
  color: #4a3908;
  font-size: 0.9rem;
  padding: 10px 0;
}

.promo-ribbon-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  flex-wrap: wrap;
}

.promo-badge {
  background-color: var(--accent-red);
  color: #ffffff;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 0.04em;
  margin-right: 8px;
}

.promo-link {
  font-weight: 700;
  color: var(--accent-red);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Hero Section & Lead Callback Form
   -------------------------------------------------------------------------- */
.hero-section {
  background: linear-gradient(180deg, #eaeff5 0%, #f4f6f9 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 38px 0 44px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 34px;
  align-items: start;
}

.hero-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--navy-light);
  background-color: #dce5f2;
  border: 1px solid #b9cae2;
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: 14px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 2.05rem;
  line-height: 1.25;
  color: var(--navy-dark);
  margin: 0 0 16px;
}

.hero-lead {
  font-size: 1.03rem;
  color: #2f3b4c;
  margin: 0 0 20px;
}

.exam-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.exam-pill {
  background-color: var(--bg-white);
  border: 1px solid var(--border-dark);
  border-left: 3px solid var(--navy-main);
  padding: 5px 11px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--navy-dark);
  border-radius: 2px;
}

.hero-benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 26px;
}

.hero-benefits li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.hero-benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: bold;
  color: var(--success-border);
  background: #dff0df;
  width: 18px;
  height: 18px;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 14px 10px;
  text-align: center;
}

.stat-box {
  padding: 0 10px;
  border-right: 1px solid var(--border-color);
}

.stat-box:last-child {
  border-right: none;
}

.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--navy-main);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Callback Card */
.callback-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-dark);
  border-top: 4px solid var(--accent-red);
  border-radius: 4px;
  padding: 24px 24px 22px;
  box-shadow: 0 4px 14px rgba(15, 36, 66, 0.08);
}

.callback-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.callback-tag {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent-red);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.callback-title {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  color: var(--navy-dark);
  margin: 0 0 6px;
}

.callback-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin: 0;
}

.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy-dark);
  margin-bottom: 5px;
}

.form-label .req {
  color: var(--accent-red);
}

.input-control,
.select-control {
  width: 100%;
  padding: 9px 11px;
  font-size: 0.94rem;
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: #ffffff;
  border: 1px solid var(--border-dark);
  border-radius: 3px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.input-control:focus,
.select-control:focus {
  outline: none;
  border-color: var(--navy-main);
  box-shadow: 0 0 0 2px rgba(22, 50, 92, 0.15);
}

.input-control.input-error {
  border-color: var(--error-border);
  background-color: #fffafa;
}

.phone-input-wrap {
  display: flex;
  align-items: stretch;
}

.phone-prefix-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-dark);
  border-right: none;
  padding: 0 10px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--navy-dark);
  border-radius: 3px 0 0 3px;
  white-space: nowrap;
  user-select: none;
}

.phone-input-wrap .input-control {
  border-radius: 0 3px 3px 0;
}

.field-hint {
  display: block;
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 14px 0 16px;
  font-size: 0.79rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.checkbox-group input[type="checkbox"] {
  margin-top: 2px;
  flex-shrink: 0;
}

.btn-submit {
  width: 100%;
  background-color: var(--accent-red);
  color: #ffffff;
  border: 1px solid #8b1f18;
  padding: 11px 16px;
  font-size: 0.96rem;
  font-weight: 700;
  font-family: var(--font-sans);
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.15s;
}

.btn-submit:hover {
  background-color: var(--accent-red-hover);
}

.btn-submit:disabled {
  opacity: 0.65;
  cursor: wait;
}

.form-alert {
  display: none;
  padding: 10px 12px;
  border-radius: 3px;
  font-size: 0.84rem;
  margin-bottom: 14px;
  line-height: 1.45;
}

.form-alert.error {
  display: block;
  background-color: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
}

.form-alert.success {
  display: block;
  background-color: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
}

.callback-footer-note {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-color);
  font-size: 0.76rem;
  color: var(--text-muted);
  text-align: center;
}

/* --------------------------------------------------------------------------
   Section Generic Styles
   -------------------------------------------------------------------------- */
.section {
  padding: 46px 0;
  border-bottom: 1px solid var(--border-color);
}

.section-white {
  background-color: var(--bg-white);
}

.section-gray {
  background-color: var(--bg-page);
}

.section-header {
  margin-bottom: 28px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  color: var(--navy-dark);
  margin: 0 0 8px;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0;
  max-width: 760px;
}

/* --------------------------------------------------------------------------
   Courses Grid
   -------------------------------------------------------------------------- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.course-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--navy-main);
  border-radius: 3px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.course-badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.course-code {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--navy-main);
  background-color: var(--bg-subtle);
  padding: 3px 8px;
  border-radius: 2px;
  border: 1px solid #c5d1e0;
}

.course-cefr {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.course-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--navy-dark);
  margin: 0 0 8px;
}

.course-desc {
  font-size: 0.9rem;
  color: var(--text-main);
  margin: 0 0 14px;
}

.course-meta {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.83rem;
  margin-bottom: 14px;
}

.course-meta td {
  padding: 5px 0;
  border-top: 1px solid #e6ebf1;
}

.course-meta td:first-child {
  color: var(--text-muted);
  width: 45%;
}

.course-meta td:last-child {
  font-weight: 600;
  color: var(--navy-dark);
}

.course-action {
  display: inline-block;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--accent-red);
}

/* --------------------------------------------------------------------------
   Schedule & Tuition Table
   -------------------------------------------------------------------------- */
.table-wrap {
  overflow-x: auto;
  background-color: var(--bg-white);
  border: 1px solid var(--border-dark);
  border-radius: 3px;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.89rem;
  text-align: left;
}

.schedule-table th {
  background-color: var(--navy-main);
  color: #ffffff;
  font-weight: 600;
  padding: 11px 14px;
  border-right: 1px solid #2b4c7e;
  white-space: nowrap;
}

.schedule-table th:last-child {
  border-right: none;
}

.schedule-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid #e5ebf2;
}

.schedule-table td:last-child {
  border-right: none;
}

.schedule-table tr:nth-child(even) td {
  background-color: #f9fbfd;
}

.status-pill {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.76rem;
  font-weight: 700;
  border-radius: 2px;
}

.status-open {
  background-color: #e6f4ea;
  color: #1e6b34;
  border: 1px solid #b7dfc2;
}

.status-few {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.tax-note {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Platform & Teachers Grid
   -------------------------------------------------------------------------- */
.info-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.info-panel {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  padding: 22px 24px;
  border-radius: 3px;
}

.info-panel h3 {
  font-family: var(--font-serif);
  font-size: 1.18rem;
  color: var(--navy-dark);
  margin: 0 0 10px;
}

.info-panel p {
  font-size: 0.9rem;
  margin: 0 0 12px;
}

.teachers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.teacher-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  padding: 18px 20px;
  border-radius: 3px;
}

.teacher-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e8edf3;
}

.teacher-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--navy-main);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: bold;
  font-size: 1rem;
  flex-shrink: 0;
}

.teacher-name {
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--navy-dark);
  margin: 0;
}

.teacher-role {
  font-size: 0.78rem;
  color: var(--accent-red);
  font-weight: 600;
  margin: 2px 0 0;
}

.teacher-bio {
  font-size: 0.85rem;
  color: var(--text-main);
  margin: 0;
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 3px;
}

.faq-item summary {
  padding: 13px 16px;
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--navy-dark);
  cursor: pointer;
}

.faq-item p {
  padding: 0 16px 14px;
  margin: 0;
  font-size: 0.89rem;
  color: var(--text-main);
  border-top: 1px solid #eef2f7;
  padding-top: 10px;
}

/* --------------------------------------------------------------------------
   Footer & Legal Modals (Impressum / DSGVO)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--navy-dark);
  color: #c5d1e0;
  padding: 38px 0 26px;
  font-size: 0.85rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid #243b5c;
}

.footer-title {
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 1rem;
  margin: 0 0 10px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 7px;
}

.footer-links a,
.footer-link-btn {
  color: #c5d1e0;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
}

.footer-links a:hover,
.footer-link-btn:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.78rem;
  color: #8fa4bf;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 36, 66, 0.65);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}

.modal-backdrop.open {
  display: flex;
}

.modal-dialog {
  background-color: var(--bg-white);
  border: 1px solid var(--border-dark);
  border-top: 4px solid var(--navy-main);
  border-radius: 4px;
  max-width: 680px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 24px 28px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.modal-header h3 {
  font-family: var(--font-serif);
  margin: 0;
  color: var(--navy-dark);
}

.modal-close {
  background: var(--bg-subtle);
  border: 1px solid var(--border-dark);
  border-radius: 3px;
  padding: 4px 10px;
  font-weight: 700;
  cursor: pointer;
}

.modal-body {
  font-size: 0.87rem;
  line-height: 1.55;
  color: var(--text-main);
}

.modal-body h4 {
  margin: 14px 0 6px;
  color: var(--navy-dark);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .courses-grid,
  .info-columns,
  .teachers-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 1.65rem;
  }
}