/* =========================================================
   Futur'Éducation Paris – Professional Corporate CSS Theme
   Brand: blue/gray palette, Montserrat/Roboto, formal, structured
   ========================================================= */

/* --------------------
   CSS Variables
--------------------- */
:root {
  --color-primary: #173265;
  --color-secondary: #F5F5F7;
  --color-accent: #FFD15C;
  --color-dark: #1A2233;
  --color-gray: #E5E8EF;
  --color-midgray: #B7C0D8;
  --color-light: #FFFFFF;
  --color-text: #1A2233;
  --color-text-light: #F5F5F7;
  --color-link: #173265;
  --color-link-hover: #0d1d3a;
  --color-shadow: rgba(23, 50, 101, 0.08);
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Roboto', Arial, Helvetica, sans-serif;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --radius: 10px;
  --radius-sm: 6px;
  --header-height: 72px;
  --z-header: 100;
  --z-mobile-menu: 200;
  --z-cookie: 300;
}

/* --------------------
   Reset & Base
--------------------- */
html {
  box-sizing: border-box;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-secondary);
  line-height: 1.6;
  font-size: 1rem;
  min-height: 100vh;
}
img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-sm);
}
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;
}
strong {
  font-weight: 600;
}

/* --------------------
   Typography
--------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: 0.7em;
  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;
}
h4, h5, h6 {
  font-size: 1rem;
}
p {
  margin-top: 0;
  margin-bottom: 1.2em;
  font-size: 1.05rem;
}

/* --------------------
   Layout Containers
--------------------- */
.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: 24px;
}

/* --------------------
   Header & Navigation
--------------------- */
header {
  background: var(--color-light);
  box-shadow: 0 2px 8px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 24px;
}
header img {
  height: 48px;
  width: auto;
  margin-right: 24px;
}
.main-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-primary);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}
.cta-btn {
  background: var(--color-primary);
  color: var(--color-light);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 28px;
  border-radius: var(--radius);
  border: none;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  cursor: pointer;
  margin-left: 16px;
  display: inline-block;
  text-align: center;
}
.cta-btn:hover, .cta-btn:focus {
  background: var(--color-accent);
  color: var(--color-primary);
  box-shadow: 0 4px 16px var(--color-shadow);
  text-decoration: none;
}

/* Hamburger menu button */
.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);
}
.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-accent);
}

/* --------------------
   Mobile Menu Overlay
--------------------- */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(23, 50, 101, 0.98);
  z-index: var(--z-mobile-menu);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 32px 24px 24px 24px;
  transform: translateX(-100%);
  transition: transform 0.35s 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-accent);
  font-size: 2.2rem;
  align-self: flex-end;
  margin-bottom: 24px;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--color-light);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}
.mobile-nav a {
  color: var(--color-light);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition), background var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-accent);
  background: rgba(255,209,92,0.08);
}

/* --------------------
   Section Spacing
--------------------- */
section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-light);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px var(--color-shadow);
}
section:last-child {
  margin-bottom: 0;
}

/* --------------------
   Feature Grid & Cards
--------------------- */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 16px;
}
.feature-grid > div {
  background: var(--color-secondary);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 4px var(--color-shadow);
  padding: 24px 20px;
  flex: 1 1 260px;
  min-width: 220px;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-grid > div:hover {
  box-shadow: 0 4px 16px var(--color-shadow);
  transform: translateY(-4px) scale(1.02);
}

/* Card container (for future use) */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-light);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px var(--color-shadow);
  margin-bottom: 20px;
  position: relative;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: 0 6px 24px var(--color-shadow);
  transform: translateY(-2px) scale(1.01);
}

/* Content grid (for flexible layouts) */
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}

/* Text-image section */
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.text-image-section > * {
  flex: 1 1 260px;
}

/* Testimonial card */
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--color-secondary);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 4px var(--color-shadow);
  margin-bottom: 20px;
  color: var(--color-text);
  font-style: italic;
  transition: box-shadow var(--transition), background var(--transition);
}
.testimonial-card p {
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-primary);
}
.testimonial-card span {
  font-style: normal;
  font-size: 0.98rem;
  color: var(--color-dark);
  font-weight: 500;
}
.testimonial-card:hover {
  background: var(--color-light);
  box-shadow: 0 4px 16px var(--color-shadow);
}

/* Feature item (for vertical lists) */
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* Image gallery */
.image-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 16px;
}
.image-gallery > div {
  flex: 1 1 260px;
  min-width: 220px;
  max-width: 320px;
  background: var(--color-secondary);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 4px var(--color-shadow);
  padding: 12px 12px 18px 12px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.image-gallery > div:hover {
  box-shadow: 0 4px 16px var(--color-shadow);
  transform: translateY(-2px) scale(1.01);
}
.image-gallery img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}
.image-gallery p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--color-dark);
}

/* Team grid (about page) */
.team-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 16px;
}
.team-grid > div {
  background: var(--color-secondary);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 4px var(--color-shadow);
  padding: 20px 16px;
  flex: 1 1 220px;
  min-width: 180px;
  max-width: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}
.team-grid img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 8px;
}
.team-grid > div:hover {
  box-shadow: 0 4px 16px var(--color-shadow);
  transform: translateY(-2px) scale(1.01);
}

/* --------------------
   Footer
--------------------- */
footer {
  background: var(--color-primary);
  color: var(--color-text-light);
  padding: 40px 0 24px 0;
  margin-top: 60px;
}
footer .container {
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.footer-nav {
  display: flex;
  flex-direction: row;
  gap: 28px;
  margin-bottom: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-nav a {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  transition: color var(--transition);
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-light);
}
footer p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--color-text-light);
}

/* --------------------
   Cookie Consent Banner
--------------------- */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: var(--z-cookie);
  background: var(--color-light);
  color: var(--color-text);
  box-shadow: 0 -2px 12px var(--color-shadow);
  padding: 24px 20px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 1rem;
  transition: transform 0.4s var(--transition), opacity 0.3s var(--transition);
}
.cookie-banner.hide {
  transform: translateY(120%);
  opacity: 0;
  pointer-events: none;
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
}
.cookie-btn {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 22px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  margin: 0;
}
.cookie-btn.accept {
  background: var(--color-primary);
  color: var(--color-light);
}
.cookie-btn.accept:hover, .cookie-btn.accept:focus {
  background: var(--color-accent);
  color: var(--color-primary);
}
.cookie-btn.reject {
  background: var(--color-gray);
  color: var(--color-primary);
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus {
  background: var(--color-midgray);
  color: var(--color-dark);
}
.cookie-btn.settings {
  background: var(--color-accent);
  color: var(--color-primary);
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus {
  background: var(--color-primary);
  color: var(--color-light);
}

/* Cookie modal overlay */
.cookie-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(23,50,101,0.7);
  z-index: calc(var(--z-cookie) + 1);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--transition);
}
.cookie-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal {
  background: var(--color-light);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px var(--color-shadow);
  max-width: 420px;
  width: 90%;
  padding: 32px 24px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  animation: cookieModalIn 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalIn {
  from { transform: translateY(40px) scale(0.98); opacity: 0; }
  to   { transform: none; opacity: 1; }
}
.cookie-modal h2 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.cookie-modal .cookie-category label {
  font-size: 1rem;
  color: var(--color-dark);
  font-weight: 500;
}
.cookie-modal .cookie-category input[type="checkbox"] {
  accent-color: var(--color-primary);
  width: 18px;
  height: 18px;
}
.cookie-modal .cookie-category input[disabled] {
  opacity: 0.6;
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
  margin-top: 12px;
}
.cookie-modal .cookie-modal-close {
  position: absolute;
  top: 12px; right: 12px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  cursor: pointer;
  transition: color var(--transition);
}
.cookie-modal .cookie-modal-close:hover, .cookie-modal .cookie-modal-close:focus {
  color: var(--color-accent);
}

/* --------------------
   Responsive Design
--------------------- */
@media (max-width: 1024px) {
  .container {
    max-width: 960px;
  }
  .feature-grid, .image-gallery, .team-grid {
    gap: 18px;
  }
}
@media (max-width: 900px) {
  .container {
    max-width: 720px;
  }
  .feature-grid > div, .image-gallery > div, .team-grid > div {
    min-width: 180px;
    max-width: 100%;
  }
}
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }
  .container {
    max-width: 100%;
    padding: 0 10px;
  }
  header .container {
    flex-direction: row;
    gap: 12px;
    min-height: var(--header-height);
  }
  .main-nav {
    display: none;
  }
  .cta-btn {
    padding: 10px 18px;
    font-size: 0.98rem;
    margin-left: 0;
  }
  .mobile-menu-toggle {
    display: block;
  }
  section {
    padding: 28px 8px;
    margin-bottom: 40px;
  }
  .feature-grid, .image-gallery, .team-grid {
    flex-direction: column;
    gap: 16px;
  }
  .feature-grid > div, .image-gallery > div, .team-grid > div {
    max-width: 100%;
    min-width: 0;
  }
  .testimonial-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
  }
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .footer-nav {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 10px;
    font-size: 0.98rem;
  }
}
@media (max-width: 480px) {
  h1 {
    font-size: 1.4rem;
  }
  h2 {
    font-size: 1.1rem;
  }
  .cta-btn {
    font-size: 0.95rem;
    padding: 9px 12px;
  }
  .cookie-modal {
    padding: 18px 8px 14px 8px;
  }
}

/* --------------------
   Utility Classes
--------------------- */
.hide {
  display: none !important;
}

/* --------------------
   Micro-interactions
--------------------- */
.cta-btn, .cookie-btn {
  will-change: background, color, box-shadow, transform;
}
.cta-btn:active, .cookie-btn:active {
  transform: scale(0.97);
}

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

/* --------------------
   Print Styles
--------------------- */
@media print {
  header, footer, .cookie-banner, .mobile-menu { display: none !important; }
  section { box-shadow: none; background: #fff; }
}