/* ===============================
   Battlee Powerr Akademie – Minimalist Flexbox CSS
   =============================== */

/* ====== CSS Variables ====== */
:root {
  --color-primary: #05386B;
  --color-secondary: #379683;
  --color-accent: #F4F4F4;
  --color-white: #fff;
  --color-black: #222;
  --color-grey: #e9ecef;
  --color-shadow: rgba(5, 56, 107, 0.06);
  --color-shadow-dark: rgba(5, 56, 107, 0.10);
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Roboto', Arial, Helvetica, sans-serif;
  --radius: 10px;
  --transition: 0.2s cubic-bezier(.4,0,.2,1);
  --shadow-card: 0 2px 12px var(--color-shadow);
  --shadow-hover: 0 4px 24px var(--color-shadow-dark);
  --z-cookie: 1000;
  --z-mobile-menu: 1100;
}

/* ====== Reset & Base ====== */
html {
  box-sizing: border-box;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  color: var(--color-black);
  background: var(--color-accent);
  min-height: 100vh;
  line-height: 1.6;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-secondary);
}
ul, ol {
  padding-left: 1.2em;
  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: 0 0 0.7em 0;
  font-weight: 700;
  line-height: 1.2;
}
h1 {
  font-size: 2.2rem;
  letter-spacing: -1px;
}
h2 {
  font-size: 1.6rem;
}
h3 {
  font-size: 1.2rem;
  font-weight: 600;
}
p {
  margin: 0 0 1.2em 0;
  color: var(--color-black);
  font-size: 1.05rem;
}

/* ====== Layout Containers ====== */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.content-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

/* ====== Flexbox Patterns ====== */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: relative;
  padding: 24px;
  flex: 1 1 260px;
  min-width: 240px;
  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-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  color: var(--color-black);
  font-size: 1.05rem;
  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 (Index) ====== */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
}
.feature-grid > div {
  background: var(--color-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 24px 20px;
  flex: 1 1 220px;
  min-width: 200px;
  margin-bottom: 20px;
  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-white);
  box-shadow: 0 2px 8px var(--color-shadow);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 0;
  min-height: 70px;
}
header img {
  height: 38px;
  width: auto;
  margin-right: 32px;
}
header nav {
  display: flex;
  flex-direction: row;
  gap: 24px;
  align-items: center;
}
header nav a {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-primary);
  padding: 8px 0;
  border-radius: 4px;
  transition: background var(--transition), color var(--transition);
}
header nav a:hover, header nav a:focus {
  background: var(--color-accent);
  color: var(--color-secondary);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius);
  padding: 12px 28px;
  margin-left: 24px;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--color-secondary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px) scale(1.01);
}

/* ====== Mobile Navigation ====== */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: 24px;
  transition: color var(--transition);
}
.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-secondary);
}
.mobile-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--color-white);
  box-shadow: 0 0 0 100vw rgba(0,0,0,0.18);
  z-index: var(--z-mobile-menu);
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1), opacity 0.25s;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  font-size: 2.2rem;
  color: var(--color-primary);
  align-self: flex-end;
  margin: 24px 24px 0 0;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:focus {
  outline: 2px solid var(--color-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  align-items: flex-start;
  padding: 40px 32px;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-primary);
  padding: 10px 0;
  border-radius: 4px;
  width: 100%;
  transition: background var(--transition), color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-accent);
  color: var(--color-secondary);
}

/* ====== Footer ====== */
footer {
  background: var(--color-white);
  border-top: 1px solid var(--color-grey);
  padding: 40px 0 0 0;
  margin-top: 60px;
}
footer .container {
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 24px;
}
footer nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
footer nav a {
  color: var(--color-primary);
  font-size: 1rem;
  font-family: var(--font-display);
  margin-bottom: 0;
  transition: color var(--transition);
}
footer nav a:hover, footer nav a:focus {
  color: var(--color-secondary);
}
.footer-contact {
  font-size: 0.98rem;
  color: var(--color-black);
  line-height: 1.5;
}

/* ====== FAQ Accordion (minimal) ====== */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq-accordion > div {
  background: var(--color-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 20px 18px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.faq-accordion > div:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.01);
}

/* ====== Cookie Consent Banner ====== */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-cookie);
  background: var(--color-white);
  box-shadow: 0 -2px 16px var(--color-shadow-dark);
  padding: 24px 20px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
  transition: opacity 0.25s, transform 0.35s cubic-bezier(.4,0,.2,1);
}
.cookie-banner.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.cookie-banner .cookie-text {
  flex: 1 1 0;
  color: var(--color-black);
  font-size: 1rem;
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
}
.cookie-btn {
  font-family: var(--font-display);
  font-size: 1rem;
  border: none;
  border-radius: var(--radius);
  padding: 10px 22px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 1px 4px var(--color-shadow);
}
.cookie-btn.accept {
  background: var(--color-primary);
  color: var(--color-white);
}
.cookie-btn.accept:hover, .cookie-btn.accept:focus {
  background: var(--color-secondary);
}
.cookie-btn.reject {
  background: var(--color-accent);
  color: var(--color-primary);
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus {
  background: var(--color-grey);
  color: var(--color-secondary);
}
.cookie-btn.settings {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus {
  background: var(--color-accent);
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

/* ====== Cookie Modal ====== */
.cookie-modal-overlay {
  position: fixed;
  z-index: calc(var(--z-cookie) + 1);
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(5,56,107,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.cookie-modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px var(--color-shadow-dark);
  padding: 32px 24px 24px 24px;
  max-width: 420px;
  width: 90vw;
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: cookieModalIn 0.35s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalIn {
  from { transform: translateY(40px) scale(0.98); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.cookie-modal h2 {
  font-size: 1.3rem;
  margin-bottom: 0.5em;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.cookie-modal .cookie-category label {
  font-size: 1rem;
  color: var(--color-black);
}
.cookie-modal .cookie-toggle {
  appearance: none;
  width: 38px;
  height: 22px;
  background: var(--color-grey);
  border-radius: 12px;
  position: relative;
  outline: none;
  cursor: pointer;
  transition: background var(--transition);
}
.cookie-modal .cookie-toggle:checked {
  background: var(--color-secondary);
}
.cookie-modal .cookie-toggle:before {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 16px;
  height: 16px;
  background: var(--color-white);
  border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: 0 1px 4px var(--color-shadow);
}
.cookie-modal .cookie-toggle:checked:before {
  transform: translateX(16px);
}
.cookie-modal .cookie-category .always-on {
  font-size: 0.95rem;
  color: var(--color-secondary);
  margin-left: 8px;
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
  justify-content: flex-end;
}

/* ====== Responsive Design ====== */
@media (max-width: 1100px) {
  .container {
    max-width: 98vw;
  }
}
@media (max-width: 900px) {
  .feature-grid > div, .card {
    min-width: 160px;
    flex: 1 1 160px;
  }
  .footer-contact {
    font-size: 0.95rem;
  }
}
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  header .container {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0;
    min-height: 60px;
  }
  header nav {
    display: none;
  }
  .btn-primary {
    margin-left: 0;
    margin-top: 12px;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .feature-grid, .content-grid, .card-container {
    flex-direction: column;
    gap: 20px;
  }
  .feature-grid > div, .card {
    min-width: 0;
    width: 100%;
    flex: 1 1 100%;
  }
  .testimonial-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    font-size: 1rem;
  }
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .section {
    padding: 28px 8px;
    margin-bottom: 36px;
  }
  footer .container {
    flex-direction: column;
    gap: 24px;
    padding-bottom: 16px;
  }
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 18px 10px;
  }
}
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  h1 {
    font-size: 1.5rem;
  }
  h2 {
    font-size: 1.15rem;
  }
  .btn-primary, .cookie-btn {
    padding: 10px 14px;
    font-size: 0.98rem;
  }
  .cookie-modal {
    padding: 18px 8px 14px 8px;
  }
}

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

/* ====== Micro-interactions ====== */
.btn-primary, .cookie-btn, .feature-grid > div, .card, .testimonial-card, .faq-accordion > div {
  transition: box-shadow var(--transition), background var(--transition), color var(--transition), transform var(--transition);
}

/* ====== Hide scroll on mobile menu open ====== */
body.mobile-menu-open {
  overflow: hidden;
}

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

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