/* ===============================
   CogniTide Gestion - style.css
   Geometric Structured Design
   =============================== */

/* 1. CSS Variables for Brand Colors & Spacing */
:root {
  --color-primary: #203864;
  --color-secondary: #F1F3F8;
  --color-accent: #3CA59D;
  --color-accent-dark: #21706a;
  --color-white: #ffffff;
  --color-black: #181C24;
  --color-grey: #e5e8ef;
  --color-grey-dark: #bfc5d2;
  --color-shadow: rgba(32, 56, 100, 0.08);
  --radius-card: 18px;
  --radius-btn: 8px;
  --radius-modal: 20px;
  --font-display: 'Montserrat', 'Arial', sans-serif;
  --font-body: 'Roboto', 'Arial', sans-serif;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --shadow-card: 0 4px 24px var(--color-shadow);
  --shadow-btn: 0 2px 8px var(--color-shadow);
  --z-cookie: 10000;
  --z-mobile-menu: 9999;
}

/* 2. Reset & Base */
html {
  box-sizing: border-box;
  font-size: 18px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-primary);
  background: var(--color-secondary);
  min-height: 100vh;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: 0.01em;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--color-accent-dark);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

/* 3. Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0 0 18px 0;
  letter-spacing: 0.01em;
  color: var(--color-primary);
}
h1 {
  font-size: 2.2rem;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
h2 {
  font-size: 1.5rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
h3 {
  font-size: 1.15rem;
  line-height: 1.25;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
p {
  margin: 0 0 18px 0;
  color: var(--color-primary);
}
strong {
  font-weight: 700;
}
ul, ol {
  margin: 0 0 18px 24px;
  padding: 0;
  color: var(--color-primary);
}
li {
  margin-bottom: 8px;
  line-height: 1.5;
}

/* 4. 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;
  align-items: flex-start;
  gap: 20px;
}

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

/* 5. Header & Navigation */
header {
  background: var(--color-white);
  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: 24px;
  padding: 0 20px;
  min-height: 72px;
}
.logo img {
  height: 44px;
  width: auto;
  display: block;
}
.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
}
.main-nav a {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  padding: 8px 12px;
  border-radius: var(--radius-btn);
  transition: background var(--transition), color var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.main-nav a:hover, .main-nav a:focus {
  background: var(--color-accent);
  color: var(--color-white);
}
.cta-btn {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--color-accent) 60%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  margin-left: 12px;
  box-shadow: var(--shadow-btn);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  outline: none;
  display: inline-block;
}
.cta-btn:hover, .cta-btn:focus {
  background: linear-gradient(90deg, var(--color-accent-dark) 60%, var(--color-accent) 100%);
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 24px var(--color-shadow);
}

/* Hamburger Mobile Menu */
.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: var(--z-mobile-menu);
}
.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(32, 56, 100, 0.97);
  z-index: var(--z-mobile-menu);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0;
  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-white);
  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: 28px;
  margin: 40px 0 0 40px;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: color var(--transition);
  padding: 8px 0;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-accent);
}

/* 6. Hero Section */
.hero-section {
  background: linear-gradient(120deg, var(--color-secondary) 60%, var(--color-grey) 100%);
  border-radius: 0 0 var(--radius-card) var(--radius-card);
  box-shadow: 0 4px 24px var(--color-shadow);
  margin-bottom: 60px;
  padding: 60px 0 40px 0;
  display: flex;
  align-items: center;
}
.hero-section .container {
  align-items: center;
  justify-content: center;
}
.hero-section .content-wrapper {
  align-items: flex-start;
  gap: 24px;
  max-width: 700px;
}
.hero-section h1 {
  color: var(--color-primary);
  font-size: 2.4rem;
  margin-bottom: 12px;
}
.hero-section p {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 18px;
}

/* 7. Features Grid & Cards */
.features-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 18px;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: var(--color-secondary);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 28px 24px;
  min-width: 220px;
  flex: 1 1 260px;
  margin-bottom: 20px;
  border: 2.5px solid var(--color-grey);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
}
.feature-item:before {
  content: '';
  display: block;
  width: 38px;
  height: 6px;
  background: linear-gradient(90deg, var(--color-accent) 60%, var(--color-accent-dark) 100%);
  border-radius: 3px;
  margin-bottom: 10px;
}
.feature-item:hover, .feature-item:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 8px 32px var(--color-shadow);
  transform: translateY(-4px) scale(1.03);
}
.feature-item h3 {
  margin-bottom: 6px;
  color: var(--color-primary);
  font-size: 1.1rem;
}
.feature-item p {
  color: var(--color-primary);
  font-size: 1rem;
}

/* 8. Cards & Card Containers */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: relative;
  padding: 28px 24px;
  min-width: 220px;
  flex: 1 1 260px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .card:focus-within {
  box-shadow: 0 8px 32px var(--color-shadow);
  transform: translateY(-4px) scale(1.03);
}

/* 9. Testimonial Cards */
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--color-secondary);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  border-left: 6px solid var(--color-accent);
  color: var(--color-primary);
  font-size: 1.05rem;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.testimonial-card strong {
  color: var(--color-accent-dark);
  font-size: 1rem;
  margin-left: 12px;
}
.testimonial-card:hover, .testimonial-card:focus-within {
  box-shadow: 0 8px 32px var(--color-shadow);
  border-color: var(--color-accent-dark);
}

/* 10. FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq-item {
  background: var(--color-secondary);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 24px 20px;
  margin-bottom: 20px;
  border-left: 5px solid var(--color-accent);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.faq-item h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}
.faq-item:hover, .faq-item:focus-within {
  box-shadow: 0 8px 32px var(--color-shadow);
  border-color: var(--color-accent-dark);
}

/* 11. Text-Image Section */
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.text-image-section > * {
  flex: 1 1 320px;
}

/* 12. Map Placeholder */
.map-placeholder {
  background: repeating-linear-gradient(135deg, var(--color-grey), var(--color-grey) 10px, var(--color-secondary) 10px, var(--color-secondary) 20px);
  border-radius: var(--radius-card);
  padding: 24px;
  color: var(--color-primary);
  font-style: italic;
  margin-top: 18px;
}

/* 13. Footer */
footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 40px 0 0 0;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  margin-top: 60px;
}
footer .container {
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 24px;
}
footer .logo img {
  height: 38px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-nav a {
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: color var(--transition);
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-accent);
}
.footer-contact {
  font-size: 0.98rem;
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-contact a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* 14. Cookie Consent Banner */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 -2px 16px var(--color-shadow);
  z-index: var(--z-cookie);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 32px;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  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__text {
  flex: 1 1 320px;
  font-size: 1rem;
}
.cookie-banner__actions {
  display: flex;
  flex-direction: row;
  gap: 14px;
}
.cookie-btn {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-btn);
  padding: 10px 22px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-btn);
  outline: none;
}
.cookie-btn.accept {
  background: var(--color-accent);
  color: var(--color-white);
}
.cookie-btn.accept:hover, .cookie-btn.accept:focus {
  background: var(--color-accent-dark);
}
.cookie-btn.reject {
  background: var(--color-grey);
  color: var(--color-primary);
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus {
  background: var(--color-grey-dark);
}
.cookie-btn.settings {
  background: var(--color-white);
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus {
  background: var(--color-accent);
  color: var(--color-white);
}

/* Cookie Modal */
.cookie-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(32, 56, 100, 0.85);
  z-index: calc(var(--z-cookie) + 1);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fade-in 0.3s cubic-bezier(.4,0,.2,1);
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.cookie-modal {
  background: var(--color-white);
  border-radius: var(--radius-modal);
  box-shadow: 0 8px 40px var(--color-shadow);
  padding: 36px 32px 28px 32px;
  max-width: 420px;
  width: 90vw;
  display: flex;
  flex-direction: column;
  gap: 22px;
  animation: modal-pop 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes modal-pop {
  from { transform: scale(0.92); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.cookie-modal h2 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-grey);
}
.cookie-modal .cookie-category:last-child {
  border-bottom: none;
}
.cookie-modal .cookie-category label {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-primary);
}
.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-accent);
}
.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);
}
.cookie-modal .cookie-toggle:checked:before {
  transform: translateX(16px);
}
.cookie-modal .cookie-toggle[disabled] {
  background: var(--color-grey-dark);
  cursor: not-allowed;
}
.cookie-modal .cookie-toggle[disabled]:before {
  background: var(--color-grey-dark);
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  flex-direction: row;
  gap: 14px;
  margin-top: 18px;
}
.cookie-modal .cookie-btn {
  min-width: 120px;
}

/* 15. Responsive Design (Mobile First) */
@media (max-width: 1024px) {
  .container {
    max-width: 94vw;
  }
  footer .container {
    flex-direction: column;
    gap: 32px;
    align-items: flex-start;
  }
}
@media (max-width: 900px) {
  .features-grid, .card-container {
    flex-direction: column;
    gap: 20px;
  }
  .feature-item, .card {
    min-width: 0;
    width: 100%;
  }
  .hero-section .content-wrapper {
    max-width: 100%;
  }
}
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }
  header .container {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    min-height: 56px;
    padding: 0 10px;
  }
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .cta-btn {
    margin-left: 0;
    padding: 10px 18px;
    font-size: 0.98rem;
  }
  .hero-section {
    padding: 36px 0 24px 0;
    margin-bottom: 36px;
  }
  .section {
    margin-bottom: 36px;
    padding: 28px 8px;
  }
  .features-grid, .card-container {
    gap: 16px;
  }
  .feature-item, .card {
    padding: 18px 12px;
  }
  .testimonial-card, .faq-item {
    padding: 14px 10px;
  }
  .text-image-section {
    flex-direction: column;
    gap: 18px;
  }
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 18px 10px;
  }
  .cookie-banner__actions {
    flex-direction: column;
    gap: 10px;
  }
  .cookie-modal {
    padding: 22px 10px 16px 10px;
    max-width: 98vw;
  }
}
@media (max-width: 480px) {
  html {
    font-size: 15px;
  }
  .hero-section h1 {
    font-size: 1.3rem;
  }
  .hero-section p {
    font-size: 1rem;
  }
  .footer-contact {
    font-size: 0.92rem;
  }
}

/* 16. Micro-interactions & Focus States */
button, .cta-btn, .cookie-btn, .mobile-menu-toggle, .mobile-menu-close {
  outline: none;
}
button:focus-visible, .cta-btn:focus-visible, .cookie-btn:focus-visible, .mobile-menu-toggle:focus-visible, .mobile-menu-close:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* 17. Geometric/Structured Visual Accents */
.section, .feature-item, .card, .testimonial-card, .faq-item {
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}
.hero-section, .section {
  border-radius: 0 0 var(--radius-card) var(--radius-card);
}

/* 18. Utility Classes */
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-20 { margin-top: 20px !important; }
.mb-20 { margin-bottom: 20px !important; }
.text-center { text-align: center !important; }

/* 19. Hide elements visually but keep accessible */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* 20. Prevent Overlapping & Ensure Spacing */
.features-grid > *, .card-container > *, .content-wrapper > *, .testimonial-card, .faq-item {
  margin-bottom: 20px;
}
.features-grid > *:last-child, .card-container > *:last-child, .content-wrapper > *:last-child, .testimonial-card:last-child, .faq-item:last-child {
  margin-bottom: 0;
}

/* 21. Prevent Absolute Positioning for Content */
/* Only decorative elements (none in this design) may use absolute positioning */

/* 22. Print Styles (optional, minimal) */
@media print {
  header, footer, .cookie-banner, .mobile-menu { display: none !important; }
  body { background: #fff; color: #000; }
  .section, .card, .feature-item, .testimonial-card, .faq-item { box-shadow: none !important; background: #fff !important; }
}