/* LustiMicro English Akademie - Professional Corporate CSS */

/* ====== CSS Variables ====== */
:root {
  --color-primary: #143869;
  --color-secondary: #269FB8;
  --color-accent: #FFD966;
  --color-bg: #F7F9FB;
  --color-bg-alt: #E9EEF3;
  --color-card: #fff;
  --color-border: #D1D7DF;
  --color-text: #1A2330;
  --color-text-light: #4A5A6A;
  --color-link: #269FB8;
  --color-link-hover: #143869;
  --color-footer-bg: #143869;
  --color-footer-text: #fff;
  --color-shadow: rgba(20,56,105,0.07);
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Roboto', Arial, Helvetica, sans-serif;
  --transition: 0.2s cubic-bezier(.4,0,.2,1);
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 2px 12px var(--color-shadow);
  --shadow-hover: 0 4px 20px rgba(20,56,105,0.13);
  --z-cookie: 9999;
  --z-mobile-menu: 9998;
}

/* ====== Reset & Base ====== */
html {
  box-sizing: border-box;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  min-height: 100vh;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-link-hover);
  text-decoration: underline;
}
ul, ol {
  padding-left: 1.5em;
  margin: 1em 0;
}
li {
  margin-bottom: 0.5em;
}

/* ====== Typography ====== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: 0.6em;
  font-weight: 700;
  line-height: 1.2;
}
h1 { font-size: 2.2rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.2rem; }
h4 { font-size: 1.05rem; }

p {
  margin-top: 0;
  margin-bottom: 1em;
  color: var(--color-text-light);
  font-size: 1rem;
}
strong {
  color: var(--color-primary);
  font-weight: 700;
}

/* ====== Layout Containers ====== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ====== Section Spacing ====== */
section {
  margin-bottom: 60px;
  padding: 40px 0 0 0;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}

/* ====== Flexbox Patterns ====== */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: relative;
  padding: 24px 20px;
  flex: 1 1 300px;
  min-width: 260px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.01);
}
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--color-card);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  color: var(--color-text);
  font-style: italic;
  transition: box-shadow var(--transition), transform var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.01);
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* ====== Feature Grid (for advantages, courses, team, etc.) ====== */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 20px;
}
.feature-grid > div {
  background: var(--color-card);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  padding: 24px 20px;
  flex: 1 1 260px;
  min-width: 220px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-grid > div:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.01);
}

/* ====== Header & Navigation ====== */
header {
  background: var(--color-card);
  box-shadow: 0 2px 8px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 12px;
  padding-bottom: 12px;
}
header nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
header nav a {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-primary);
  font-size: 1rem;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
header nav a:hover, header nav a:focus {
  background: var(--color-bg-alt);
  color: var(--color-secondary);
  text-decoration: none;
}
.cta-primary {
  background: var(--color-secondary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  padding: 10px 28px;
  border-radius: var(--radius);
  font-size: 1rem;
  border: none;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  margin-left: 16px;
  text-align: center;
  display: inline-block;
}
.cta-primary:hover, .cta-primary:focus {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.01);
}
.cta-secondary {
  background: transparent;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
  font-family: var(--font-display);
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 1rem;
  transition: background var(--transition), color var(--transition), border var(--transition);
  cursor: pointer;
  text-align: center;
  display: inline-block;
}
.cta-secondary:hover, .cta-secondary:focus {
  background: var(--color-secondary);
  color: #fff;
  border-color: var(--color-secondary);
}

/* ====== Mobile Navigation ====== */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: 12px;
  transition: color var(--transition);
}
.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-secondary);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(20,56,105,0.97);
  z-index: var(--z-mobile-menu);
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1), opacity 0.25s;
  transform: translateX(100%);
  opacity: 0;
}
.mobile-menu.open {
  display: flex;
  transform: translateX(0);
  opacity: 1;
}
.mobile-menu-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 2.2rem;
  align-self: flex-end;
  margin: 24px 24px 0 0;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:focus {
  outline: 2px solid var(--color-accent);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  align-items: flex-start;
  padding: 40px 40px 0 40px;
}
.mobile-nav a {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  width: 100%;
  transition: color var(--transition), background var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-accent);
  background: rgba(255,255,255,0.04);
  text-decoration: none;
}

/* ====== Main Content ====== */
main {
  min-height: 60vh;
}

/* ====== Footer ====== */
footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 40px 0 0 0;
  margin-top: 60px;
}
footer .container {
  padding-bottom: 0;
}
footer .content-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
  margin-bottom: 24px;
}
footer h4 {
  color: var(--color-accent);
  font-size: 1.1rem;
  margin-bottom: 10px;
}
footer nav a {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  margin-right: 8px;
  margin-left: 0;
  padding: 0 4px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
footer nav a:hover, footer nav a:focus {
  background: var(--color-accent);
  color: var(--color-primary);
  text-decoration: none;
}
footer p {
  color: #e0e6ef;
  font-size: 0.98rem;
  margin-bottom: 0.5em;
}
footer a {
  color: #fff;
  text-decoration: underline;
}
footer a:hover, footer a:focus {
  color: var(--color-accent);
}
footer .container > p {
  text-align: center;
  color: #b8c4d9;
  font-size: 0.95rem;
  margin-top: 0;
  margin-bottom: 0;
  padding-bottom: 24px;
}

/* ====== Cookie Consent Banner ====== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: var(--z-cookie);
  background: #fff;
  color: var(--color-text);
  box-shadow: 0 -2px 16px rgba(20,56,105,0.13);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 24px 16px 16px 16px;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
  animation: cookie-slide-in 0.5s cubic-bezier(.4,0,.2,1);
}
@keyframes cookie-slide-in {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-banner p {
  margin: 0 0 8px 0;
  color: var(--color-text-light);
  font-size: 1rem;
  text-align: center;
}
.cookie-banner .cookie-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.cookie-btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  border: none;
  padding: 10px 22px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  margin-bottom: 0;
}
.cookie-btn.accept {
  background: var(--color-secondary);
  color: #fff;
  box-shadow: 0 2px 8px var(--color-shadow);
}
.cookie-btn.accept:hover, .cookie-btn.accept:focus {
  background: var(--color-primary);
}
.cookie-btn.reject {
  background: #e9eef3;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus {
  background: #d1d7df;
}
.cookie-btn.settings {
  background: transparent;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus {
  background: var(--color-secondary);
  color: #fff;
}

/* ====== Cookie Modal ====== */
.cookie-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(20,56,105,0.75);
  z-index: calc(var(--z-cookie) + 1);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fade-in 0.3s;
}
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.cookie-modal {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 4px 32px rgba(20,56,105,0.18);
  padding: 32px 24px 24px 24px;
  max-width: 420px;
  width: 90%;
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: modal-slide-in 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes modal-slide-in {
  from { transform: translateY(60px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-modal h2 {
  font-size: 1.3rem;
  color: var(--color-primary);
  margin-bottom: 0.5em;
}
.cookie-category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 10px;
}
.cookie-category label {
  font-size: 1rem;
  color: var(--color-text);
  font-weight: 500;
}
.cookie-category input[type="checkbox"] {
  accent-color: var(--color-secondary);
  width: 20px;
  height: 20px;
}
.cookie-category .always-on {
  color: var(--color-secondary);
  font-size: 0.98rem;
  font-weight: 600;
}
.cookie-modal .cookie-actions {
  margin-top: 10px;
}

/* ====== Responsive Design ====== */
@media (max-width: 1024px) {
  .feature-grid > div, .card {
    min-width: 180px;
    flex: 1 1 180px;
  }
  .footer .content-wrapper {
    gap: 24px;
  }
}
@media (max-width: 900px) {
  .container {
    max-width: 98vw;
    padding-left: 10px;
    padding-right: 10px;
  }
  .feature-grid {
    gap: 16px;
  }
}
@media (max-width: 768px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.2rem; }
  h3 { font-size: 1.05rem; }
  header .container {
    flex-direction: row;
    gap: 8px;
  }
  header nav {
    display: none;
  }
  .cta-primary {
    margin-left: 0;
    padding: 10px 18px;
    font-size: 0.98rem;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .feature-grid {
    flex-direction: column;
    gap: 20px;
  }
  .feature-grid > div, .card {
    min-width: 0;
    width: 100%;
    flex: 1 1 100%;
  }
  .content-grid {
    flex-direction: column;
    gap: 20px;
  }
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .testimonial-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
  }
  footer .content-wrapper {
    flex-direction: column;
    gap: 20px;
  }
  section {
    padding: 32px 0 0 0;
    margin-bottom: 40px;
  }
  .section {
    padding: 32px 10px;
    margin-bottom: 40px;
  }
}
@media (max-width: 480px) {
  .container {
    padding-left: 4px;
    padding-right: 4px;
  }
  .cookie-modal {
    padding: 18px 6px 12px 6px;
  }
}

/* ====== Utility Classes ====== */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-2 { margin-top: 2em !important; }
.mb-2 { margin-bottom: 2em !important; }

/* ====== Micro-interactions ====== */
button, .cta-primary, .cta-secondary, .cookie-btn {
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}
button:active, .cta-primary:active, .cta-secondary:active, .cookie-btn:active {
  transform: scale(0.98);
}

/* ====== Accessibility ====== */
:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ====== Hide visually but keep accessible ====== */
.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

/* ====== Custom Scrollbar ====== */
::-webkit-scrollbar {
  width: 10px;
  background: var(--color-bg-alt);
}
::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 6px;
}

/* ====== End of CSS ====== */