/* =========================
   NeuraForce Rhetorik – Geometric Structured CSS
   ========================= */

/* ====== FONT IMPORTS ====== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;900&family=Open+Sans:wght@400;600&display=swap');

:root {
  --color-primary: #273A57;
  --color-secondary: #45A29E;
  --color-accent: #F3F3F3;
  --color-dark: #1a2536;
  --color-light: #fff;
  --color-grey: #e5e8ef;
  --color-shadow: rgba(39,58,87,0.08);
  --radius-card: 0.75rem;
  --radius-btn: 0.5rem;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --font-display: 'Montserrat', Arial, sans-serif;
  --font-body: 'Open Sans', Arial, sans-serif;
}

html {
  box-sizing: border-box;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}

body {
  font-family: var(--font-body);
  color: var(--color-primary);
  background: var(--color-accent);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

/* ====== TYPOGRAPHY ====== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 900;
  margin: 0 0 16px 0;
  color: var(--color-primary);
  letter-spacing: 0.01em;
  line-height: 1.15;
}
h1 {
  font-size: 2.2rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
h2 {
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
h3 {
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
p, ul, ol {
  font-size: 1rem;
  margin: 0 0 16px 0;
}
ul, ol {
  padding-left: 1.5em;
}
strong {
  font-weight: 700;
}

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

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-accent);
  border-radius: var(--radius-card);
  box-shadow: 0 4px 24px var(--color-shadow);
}

/* ====== HEADER & NAVIGATION ====== */
header {
  background: var(--color-light);
  box-shadow: 0 2px 12px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}
.logo img {
  height: 44px;
  width: auto;
  display: block;
}
.main-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.main-nav a:hover,
.main-nav a:focus {
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-secondary);
}
.main-nav .cta.primary {
  background: var(--color-secondary);
  color: var(--color-light);
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  margin-left: 16px;
  border: none;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.main-nav .cta.primary:hover,
.main-nav .cta.primary:focus {
  background: var(--color-primary);
  color: var(--color-secondary);
  box-shadow: 0 4px 16px var(--color-shadow);
}

/* ====== MOBILE NAVIGATION ====== */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: 16px;
  transition: color var(--transition);
  z-index: 120;
}
.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-secondary);
}
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--color-primary);
  color: var(--color-light);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0;
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(.4,0,.2,1);
  opacity: 0;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-light);
  font-size: 2.2rem;
  align-self: flex-end;
  margin: 24px 24px 0 0;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:hover,
.mobile-menu-close:focus {
  color: var(--color-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
  width: 100%;
  padding: 40px 32px;
}
.mobile-nav a {
  color: var(--color-light);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.mobile-nav a:hover,
.mobile-nav a:focus {
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-secondary);
}

/* Hide main nav, show burger on mobile */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
}

@media (min-width: 1025px) {
  .mobile-menu {
    display: none !important;
  }
}

/* ====== HERO & CTA BUTTONS ====== */
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--color-primary);
  color: var(--color-light);
  border: none;
  border-radius: var(--radius-btn);
  padding: 12px 32px;
  margin-top: 10px;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
}
.cta.primary {
  background: var(--color-secondary);
  color: var(--color-light);
}
.cta:hover, .cta:focus {
  background: var(--color-dark);
  color: var(--color-secondary);
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 4px 16px var(--color-shadow);
}

/* ====== FLEXBOX LAYOUTS ====== */
.feature-grid, .team-grid, .course-list, .testimonial-slider, .testimonial-list, .blog-list, .image-gallery, .client-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
  align-items: stretch;
}
.feature-grid > div, .team-grid > div, .course-list > div, .testimonial-slider > div, .testimonial-list > div, .blog-list > div, .image-gallery > img, .client-logos > img {
  flex: 1 1 260px;
  min-width: 260px;
  max-width: 100%;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--color-light);
  border-radius: var(--radius-card);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: 28px 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .card:focus-within {
  box-shadow: 0 6px 24px var(--color-shadow);
  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;
}
.text-image-section > div {
  flex: 1 1 320px;
  min-width: 260px;
}
.text-image-section img {
  width: 100%;
  max-width: 380px;
  border-radius: var(--radius-card);
  box-shadow: 0 2px 12px var(--color-shadow);
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: var(--color-accent);
  border-radius: var(--radius-card);
  box-shadow: 0 2px 12px var(--color-shadow);
  margin-bottom: 20px;
  min-width: 260px;
  max-width: 420px;
  color: var(--color-primary);
  font-size: 1.05rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.testimonial-card:hover, .testimonial-card:focus-within {
  box-shadow: 0 6px 24px var(--color-shadow);
  transform: translateY(-2px) scale(1.01);
}
.testimonial-card p {
  margin: 0 0 8px 0;
  font-style: italic;
  color: var(--color-dark);
}
.testimonial-card span {
  font-size: 0.98rem;
  color: var(--color-secondary);
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* ====== BLOG TEASER ====== */
.blog-teaser {
  background: var(--color-light);
  border-radius: var(--radius-card);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: 24px 20px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.blog-teaser img {
  width: 100%;
  border-radius: var(--radius-card);
  margin-bottom: 10px;
}
.blog-teaser a {
  color: var(--color-secondary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: color var(--transition);
}
.blog-teaser a:hover, .blog-teaser a:focus {
  color: var(--color-primary);
}
.blog-teaser:hover, .blog-teaser:focus-within {
  box-shadow: 0 6px 24px var(--color-shadow);
  transform: translateY(-2px) scale(1.01);
}

/* ====== IMAGE GALLERY & CLIENT LOGOS ====== */
.image-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: flex-start;
}
.image-gallery img {
  width: 100%;
  max-width: 320px;
  border-radius: var(--radius-card);
  box-shadow: 0 2px 12px var(--color-shadow);
  object-fit: cover;
}
.client-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  align-items: center;
  justify-content: flex-start;
}
.client-logos img {
  width: 120px;
  height: auto;
  filter: grayscale(0.2) contrast(1.1);
  opacity: 0.9;
  transition: filter var(--transition), opacity var(--transition), transform var(--transition);
}
.client-logos img:hover {
  filter: grayscale(0) contrast(1.2);
  opacity: 1;
  transform: scale(1.05) rotate(-2deg);
}

/* ====== FOOTER ====== */
footer {
  background: var(--color-primary);
  color: var(--color-light);
  padding: 48px 0 24px 0;
  margin-top: 60px;
}
footer .container {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
  justify-content: space-between;
}
.footer-menu {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-menu a {
  color: var(--color-secondary);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 1rem;
  transition: color var(--transition);
}
.footer-menu a:hover, .footer-menu a:focus {
  color: var(--color-accent);
}
.brand-info {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-accent);
  max-width: 320px;
}
.footer-newsletter form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-newsletter label {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 4px;
}
.footer-newsletter input[type="email"] {
  padding: 10px 14px;
  border-radius: var(--radius-btn);
  border: none;
  background: var(--color-light);
  color: var(--color-primary);
  font-size: 1rem;
  margin-bottom: 6px;
  box-shadow: 0 1px 4px var(--color-shadow);
}
.footer-newsletter button {
  background: var(--color-secondary);
  color: var(--color-light);
  border: none;
  border-radius: var(--radius-btn);
  padding: 10px 24px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.footer-newsletter button:hover, .footer-newsletter button:focus {
  background: var(--color-primary);
  color: var(--color-secondary);
  box-shadow: 0 4px 16px var(--color-shadow);
}

/* ====== FORMS ====== */
input, textarea, select {
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: var(--radius-btn);
  border: 1.5px solid var(--color-grey);
  padding: 10px 14px;
  margin-bottom: 10px;
  background: var(--color-light);
  color: var(--color-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-secondary);
  outline: none;
  box-shadow: 0 0 0 2px var(--color-secondary);
}
button, input[type="submit"] {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  border-radius: var(--radius-btn);
  border: none;
  background: var(--color-secondary);
  color: var(--color-light);
  padding: 10px 24px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
button:hover, button:focus, input[type="submit"]:hover, input[type="submit"]:focus {
  background: var(--color-primary);
  color: var(--color-secondary);
  box-shadow: 0 4px 16px var(--color-shadow);
}

/* ====== COOKIE CONSENT BANNER ====== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--color-light);
  color: var(--color-primary);
  box-shadow: 0 -2px 16px var(--color-shadow);
  padding: 24px 20px 20px 20px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  z-index: 300;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s, transform 0.4s;
}
.cookie-banner.hide {
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
}
.cookie-banner .cookie-text {
  flex: 1 1 0;
  font-size: 1rem;
  color: var(--color-primary);
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
}
.cookie-banner button {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-btn);
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.cookie-banner .accept {
  background: var(--color-secondary);
  color: var(--color-light);
}
.cookie-banner .accept:hover, .cookie-banner .accept:focus {
  background: var(--color-primary);
  color: var(--color-secondary);
}
.cookie-banner .reject {
  background: var(--color-grey);
  color: var(--color-primary);
}
.cookie-banner .reject:hover, .cookie-banner .reject:focus {
  background: var(--color-primary);
  color: var(--color-light);
}
.cookie-banner .settings {
  background: var(--color-accent);
  color: var(--color-primary);
  border: 1.5px solid var(--color-secondary);
}
.cookie-banner .settings:hover, .cookie-banner .settings:focus {
  background: var(--color-secondary);
  color: var(--color-light);
}

/* ====== COOKIE MODAL ====== */
.cookie-modal-overlay {
  position: fixed;
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(39,58,87,0.65);
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.4s;
}
.cookie-modal-overlay.hide {
  opacity: 0;
  pointer-events: none;
}
.cookie-modal {
  background: var(--color-light);
  color: var(--color-primary);
  border-radius: var(--radius-card);
  box-shadow: 0 8px 32px var(--color-shadow);
  padding: 36px 32px 28px 32px;
  min-width: 320px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: relative;
  animation: cookieModalIn 0.5s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalIn {
  from { opacity: 0; transform: translateY(40px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.cookie-modal h2 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}
.cookie-modal .cookie-category label {
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--color-primary);
  font-size: 1rem;
}
.cookie-modal .cookie-category input[type="checkbox"] {
  accent-color: var(--color-secondary);
  width: 20px;
  height: 20px;
}
.cookie-modal .cookie-category.essential label {
  color: var(--color-secondary);
}
.cookie-modal .cookie-category.essential input[type="checkbox"] {
  accent-color: var(--color-secondary);
}
.cookie-modal .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
  margin-top: 10px;
}
.cookie-modal .close-modal {
  position: absolute;
  top: 18px;
  right: 18px;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition);
}
.cookie-modal .close-modal:hover, .cookie-modal .close-modal:focus {
  color: var(--color-secondary);
}

/* ====== RESPONSIVE DESIGN ====== */
@media (max-width: 1024px) {
  .container {
    max-width: 98vw;
    padding: 0 10px;
  }
  .footer-newsletter {
    min-width: 220px;
  }
}
@media (max-width: 900px) {
  .feature-grid, .team-grid, .course-list, .testimonial-slider, .testimonial-list, .blog-list, .image-gallery, .client-logos {
    gap: 16px;
  }
  .footer-newsletter {
    min-width: 180px;
  }
}
@media (max-width: 768px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.15rem; }
  .container {
    padding: 0 6px;
  }
  .content-wrapper {
    gap: 14px;
  }
  .section {
    margin-bottom: 36px;
    padding: 24px 8px;
  }
  .feature-grid, .team-grid, .course-list, .testimonial-slider, .testimonial-list, .blog-list, .image-gallery, .client-logos {
    flex-direction: column;
    gap: 14px;
  }
  .text-image-section {
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
  }
  .footer-newsletter {
    min-width: 0;
    width: 100%;
  }
  footer .container {
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
  }
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 8px 14px 8px;
  }
  .cookie-modal {
    padding: 22px 10px 18px 10px;
    min-width: 0;
    width: 98vw;
  }
}

/* ====== GEOMETRIC DECORATIVE ELEMENTS ====== */
/* Example: Add geometric accent to hero sections */
section:first-of-type .content-wrapper {
  position: relative;
  overflow: visible;
}
section:first-of-type .content-wrapper:before {
  content: '';
  position: absolute;
  top: -32px;
  left: -32px;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-secondary) 60%, var(--color-accent) 100%);
  opacity: 0.18;
  border-radius: 18% 82% 70% 30% / 30% 70% 30% 70%;
  z-index: 0;
  pointer-events: none;
}
section:first-of-type .content-wrapper:after {
  content: '';
  position: absolute;
  bottom: -32px;
  right: -32px;
  width: 60px;
  height: 60px;
  background: linear-gradient(225deg, var(--color-primary) 60%, var(--color-accent) 100%);
  opacity: 0.12;
  border-radius: 60% 40% 70% 30% / 30% 70% 30% 70%;
  z-index: 0;
  pointer-events: none;
}

/* ====== MISC ====== */
::-webkit-scrollbar {
  width: 10px;
  background: var(--color-accent);
}
::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 8px;
}

/* ====== ACCESSIBILITY ====== */
a:focus, button:focus, input:focus, .cta:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* ====== PRINT ====== */
@media print {
  header, footer, .cookie-banner, .mobile-menu { display: none !important; }
  body { background: #fff; color: #000; }
}