/* =========================
   Synapse Venture - style.css
   Nature Organic Theme
   ========================= */

/* 1. CSS Variables for Brand & Nature Organic Palette */
:root {
  --color-primary: #25395E; /* Brand blue */
  --color-secondary: #27A49C; /* Brand green */
  --color-accent: #F2F5FA; /* Brand accent (light) */
  --color-earth: #A68B6B; /* Earth brown */
  --color-leaf: #6C9A8B; /* Muted green */
  --color-forest: #3D5A40; /* Deep green */
  --color-sand: #F6F1E7; /* Sand background */
  --color-stone: #E5E3DA; /* Stone background */
  --color-white: #fff;
  --color-black: #181A1B;
  --color-grey: #5C5C5C;
  --color-shadow: rgba(60, 80, 60, 0.08);
  --color-shadow-strong: rgba(60, 80, 60, 0.16);
  --radius-card: 22px;
  --radius-btn: 30px;
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Open Sans', Arial, Helvetica, sans-serif;
  --transition: 0.25s cubic-bezier(.4,1,.4,1);
  --transition-slow: 0.45s cubic-bezier(.4,1,.4,1);
  --shadow-card: 0 4px 24px var(--color-shadow);
  --shadow-card-hover: 0 8px 32px var(--color-shadow-strong);
  --shadow-btn: 0 2px 8px var(--color-shadow);
  --gap-section: 60px;
  --gap-card: 24px;
  --gap-content: 20px;
  --gap-feature: 15px;
  --header-height: 72px;
}

/* 2. Reset & Base Styles */
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: linear-gradient(120deg, var(--color-sand) 0%, var(--color-accent) 100%);
  min-height: 100vh;
  line-height: 1.7;
  letter-spacing: 0.01em;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-forest);
  text-decoration: underline;
}

/* 3. 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;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.2rem;
  line-height: 1.15;
}
h2 {
  font-size: 1.6rem;
  line-height: 1.2;
}
h3 {
  font-size: 1.2rem;
  line-height: 1.3;
}
h4, h5, h6 {
  font-size: 1rem;
  line-height: 1.4;
}
p {
  margin-top: 0;
  margin-bottom: 1.1em;
  color: var(--color-grey);
  font-size: 1rem;
}
strong {
  color: var(--color-primary);
  font-weight: 700;
}

/* 4. Layout Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--gap-content);
}

/* 5. Section Spacing & Patterns */
section {
  margin-bottom: var(--gap-section);
  padding: 40px 20px;
  background: var(--color-accent);
  border-radius: 0 0 var(--radius-card) var(--radius-card);
  box-shadow: 0 2px 16px var(--color-shadow);
  position: relative;
}
section:last-child {
  margin-bottom: 0;
}

/* 6. 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;
  min-height: var(--header-height);
  gap: 20px;
}
header nav {
  display: flex;
  flex-direction: row;
  gap: 24px;
  align-items: center;
}
header nav a {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-primary);
  padding: 8px 0;
  border-radius: 8px;
  transition: background var(--transition), color var(--transition);
}
header nav a:hover, header nav a:focus {
  background: var(--color-accent);
  color: var(--color-secondary);
}
header img {
  height: 44px;
  width: auto;
  margin-right: 16px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, var(--color-secondary) 60%, var(--color-leaf) 100%);
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  border: none;
  border-radius: var(--radius-btn);
  padding: 12px 32px;
  margin-left: 20px;
  box-shadow: var(--shadow-btn);
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  outline: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.07);
}
.btn-primary:hover, .btn-primary:focus {
  background: linear-gradient(90deg, var(--color-forest) 60%, var(--color-secondary) 100%);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px) scale(1.03);
}

/* 7. Mobile Navigation */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-secondary);
  cursor: pointer;
  margin-left: 16px;
  transition: color var(--transition);
}
.mobile-menu-toggle:hover, .mobile-menu-toggle:focus {
  color: var(--color-forest);
}
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(120deg, var(--color-sand) 60%, var(--color-accent) 100%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 32px 24px 24px 24px;
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
}
.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-secondary);
  align-self: flex-end;
  margin-bottom: 24px;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--color-forest);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 22px;
  width: 100%;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-primary);
  padding: 12px 0;
  border-radius: 10px;
  transition: background var(--transition), color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-accent);
  color: var(--color-secondary);
}

/* 8. Responsive Navigation */
@media (max-width: 1024px) {
  header nav {
    gap: 16px;
  }
  .btn-primary {
    margin-left: 10px;
    padding: 10px 22px;
  }
}
@media (max-width: 900px) {
  header nav, .btn-primary {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
}

/* 9. Section & Card Patterns */
.section {
  margin-bottom: var(--gap-section);
  padding: 40px 20px;
}
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-card);
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 28px 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .card:focus-within {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px) scale(1.02);
}
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-content);
  justify-content: space-between;
}
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: var(--color-sand);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  min-width: 260px;
  max-width: 420px;
  transition: box-shadow var(--transition), background var(--transition);
}
.testimonial-card:hover, .testimonial-card:focus-within {
  background: var(--color-accent);
  box-shadow: var(--shadow-card-hover);
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* 10. Custom Layouts for Provided Classes */
.feature-grid, .course-overview-cards, .course-list, .learning-outcomes, .values-list, .team-section, .article-cards, .before-after-cases {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-card);
  justify-content: flex-start;
}
.feature-grid > div, .course-overview-cards > div, .course-list > div, .learning-outcomes > div, .values-list > div, .team-section > div, .article-cards > div, .before-after-cases > div {
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 24px 20px;
  flex: 1 1 260px;
  min-width: 220px;
  max-width: 340px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-grid > div:hover, .course-overview-cards > div:hover, .course-list > div:hover, .learning-outcomes > div:hover, .values-list > div:hover, .team-section > div:hover, .article-cards > div:hover, .before-after-cases > div:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px) scale(1.01);
}

/* 11. Testimonial List & Slider */
.testimonial-list, .testimonial-slider {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-card);
  justify-content: flex-start;
}
.testimonial-info {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--color-primary);
  font-family: var(--font-display);
}
.testimonial-card p {
  color: var(--color-black);
  font-size: 1.08rem;
  margin-bottom: 0.7em;
}
.testimonial-card span {
  color: var(--color-forest);
  font-weight: 600;
}

/* 12. Table Styles (Calendrier) */
.calendar-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  overflow: hidden;
}
.calendar-table th, .calendar-table td {
  padding: 18px 14px;
  text-align: left;
  font-size: 1rem;
  border-bottom: 1px solid var(--color-stone);
}
.calendar-table th {
  background: var(--color-accent);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 600;
}
.calendar-table tr:last-child td {
  border-bottom: none;
}
.calendar-table a.btn-primary {
  margin: 0;
  padding: 8px 18px;
  font-size: 0.98rem;
}

/* 13. FAQ Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq-accordion > div {
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 20px 18px;
  transition: box-shadow var(--transition);
}
.faq-accordion > div:hover {
  box-shadow: var(--shadow-card-hover);
}

/* 14. Cookie Consent Banner */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 99999;
  background: linear-gradient(90deg, var(--color-accent) 60%, var(--color-sand) 100%);
  box-shadow: 0 -2px 24px var(--color-shadow-strong);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  gap: 24px;
  font-size: 1rem;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
  opacity: 1;
  transform: translateY(0);
}
.cookie-banner.hide {
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
}
.cookie-banner button {
  font-family: var(--font-display);
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-btn);
  padding: 10px 24px;
  cursor: pointer;
  margin: 0 2px;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.cookie-banner .accept {
  background: var(--color-secondary);
  color: var(--color-white);
  box-shadow: var(--shadow-btn);
}
.cookie-banner .accept:hover, .cookie-banner .accept:focus {
  background: var(--color-forest);
}
.cookie-banner .reject {
  background: var(--color-earth);
  color: var(--color-white);
}
.cookie-banner .reject:hover, .cookie-banner .reject:focus {
  background: var(--color-primary);
}
.cookie-banner .settings {
  background: var(--color-accent);
  color: var(--color-primary);
  border: 1px solid var(--color-secondary);
}
.cookie-banner .settings:hover, .cookie-banner .settings:focus {
  background: var(--color-secondary);
  color: var(--color-white);
}

/* Cookie Modal */
.cookie-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(60, 80, 60, 0.18);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}
.cookie-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal {
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: 0 8px 40px var(--color-shadow-strong);
  padding: 36px 28px 28px 28px;
  min-width: 320px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  animation: fadeInModal 0.5s cubic-bezier(.4,1,.4,1);
}
@keyframes fadeInModal {
  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: 0.5em;
}
.cookie-modal .cookie-categories {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1rem;
}
.cookie-modal .cookie-category label {
  font-weight: 600;
  color: var(--color-primary);
}
.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-forest);
}
.cookie-modal .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
  margin-top: 10px;
}
.cookie-modal .close-modal {
  position: absolute;
  top: 16px; right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-secondary);
  cursor: pointer;
  transition: color var(--transition);
}
.cookie-modal .close-modal:hover, .cookie-modal .close-modal:focus {
  color: var(--color-forest);
}

/* 15. Footer */
footer {
  background: linear-gradient(90deg, var(--color-accent) 60%, var(--color-sand) 100%);
  color: var(--color-primary);
  font-size: 1rem;
  padding: 40px 0 20px 0;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  box-shadow: 0 -2px 16px var(--color-shadow);
}
footer .container {
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 10px;
}
footer nav a {
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 500;
  transition: color var(--transition);
}
footer nav a:hover, footer nav a:focus {
  color: var(--color-secondary);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--color-forest);
  font-size: 0.98rem;
}
footer p {
  margin: 0;
  color: var(--color-primary);
  font-size: 0.95rem;
}

/* 16. Miscellaneous & Utility */
.categories-filter {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 1rem;
}
.categories-filter a {
  color: var(--color-secondary);
  font-weight: 600;
  transition: color var(--transition);
}
.categories-filter a:hover, .categories-filter a:focus {
  color: var(--color-forest);
}
.client-logos {
  margin-top: 18px;
  color: var(--color-leaf);
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.participant-photos {
  margin-top: 18px;
  color: var(--color-forest);
  font-size: 1rem;
  font-style: italic;
}
.syllabus-overview {
  background: var(--color-accent);
  border-radius: var(--radius-card);
  padding: 18px 16px;
  margin-top: 18px;
  box-shadow: 0 2px 8px var(--color-shadow);
}
.syllabus-overview h4 {
  margin-bottom: 0.5em;
}

/* 17. Organic Shapes & Textures */
section {
  position: relative;
  overflow: visible;
}
section:before {
  content: '';
  display: block;
  position: absolute;
  top: -40px; left: -40px;
  width: 120px; height: 80px;
  background: radial-gradient(ellipse at center, var(--color-leaf) 0%, transparent 80%);
  opacity: 0.13;
  z-index: 0;
  border-radius: 60% 40% 60% 40% / 40% 60% 40% 60%;
  pointer-events: none;
}
section:after {
  content: '';
  display: block;
  position: absolute;
  bottom: -40px; right: -40px;
  width: 100px; height: 60px;
  background: radial-gradient(ellipse at center, var(--color-earth) 0%, transparent 80%);
  opacity: 0.10;
  z-index: 0;
  border-radius: 50% 50% 60% 40% / 40% 60% 50% 50%;
  pointer-events: none;
}

.card, .feature-grid > div, .course-overview-cards > div, .course-list > div, .learning-outcomes > div, .values-list > div, .team-section > div, .article-cards > div, .before-after-cases > div {
  background: var(--color-white) url('data:image/svg+xml;utf8,<svg width="120" height="60" xmlns="http://www.w3.org/2000/svg"><ellipse cx="60" cy="30" rx="60" ry="30" fill="%23F6F1E7" opacity="0.12"/></svg>') right bottom no-repeat;
  background-size: 80px 40px;
}

/* 18. Responsive Design */
@media (max-width: 900px) {
  .container {
    max-width: 98vw;
    padding-left: 12px;
    padding-right: 12px;
  }
  section {
    padding: 32px 8px;
  }
  .card, .feature-grid > div, .course-overview-cards > div, .course-list > div, .learning-outcomes > div, .values-list > div, .team-section > div, .article-cards > div, .before-after-cases > div {
    min-width: 180px;
    max-width: 100%;
    padding: 18px 10px;
  }
  .testimonial-card {
    min-width: 180px;
    max-width: 100%;
    padding: 14px 10px;
  }
}
@media (max-width: 768px) {
  .content-grid, .feature-grid, .course-overview-cards, .course-list, .learning-outcomes, .values-list, .team-section, .article-cards, .before-after-cases, .testimonial-list, .testimonial-slider {
    flex-direction: column;
    gap: 18px;
  }
  .text-image-section {
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
  }
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 10px;
    font-size: 0.98rem;
  }
  .cookie-banner .cookie-actions {
    flex-direction: column;
    gap: 10px;
  }
  .cookie-modal {
    min-width: 90vw;
    padding: 22px 8px 18px 8px;
  }
  header .container {
    padding-left: 8px;
    padding-right: 8px;
  }
  footer {
    padding: 24px 0 12px 0;
  }
}
@media (max-width: 480px) {
  h1 {
    font-size: 1.35rem;
  }
  h2 {
    font-size: 1.08rem;
  }
  .btn-primary {
    font-size: 0.98rem;
    padding: 8px 14px;
  }
  .calendar-table th, .calendar-table td {
    padding: 10px 6px;
    font-size: 0.95rem;
  }
}

/* 19. Accessibility & Focus States */
a, button, .btn-primary, input, select, textarea {
  outline: none;
  transition: box-shadow var(--transition), border-color var(--transition);
}
a:focus, button:focus, .btn-primary:focus {
  box-shadow: 0 0 0 2px var(--color-secondary);
  outline: none;
}

/* 20. Micro-interactions */
.card, .feature-grid > div, .course-overview-cards > div, .course-list > div, .learning-outcomes > div, .values-list > div, .team-section > div, .article-cards > div, .before-after-cases > div, .testimonial-card {
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
}

/* 21. Hide elements utility */
.hide {
  display: none !important;
}

/* 22. Z-index for overlays */
.mobile-menu {
  z-index: 9999;
}
.cookie-banner {
  z-index: 99999;
}
.cookie-modal-overlay {
  z-index: 100000;
}

/* 23. Prevent Overlapping */
.card, .feature-grid > div, .course-overview-cards > div, .course-list > div, .learning-outcomes > div, .values-list > div, .team-section > div, .article-cards > div, .before-after-cases > div, .testimonial-card {
  margin-bottom: 20px;
}

/* 24. Remove absolute for content, only for decorative shapes */
/* Already handled above */

/* 25. Ensure testimonial text contrast */
.testimonial-card, .testimonial-card p, .testimonial-card span {
  color: var(--color-black);
  background: var(--color-sand);
}

/* 26. Custom Scrollbar for overlays (optional) */
.cookie-modal::-webkit-scrollbar, .mobile-menu::-webkit-scrollbar {
  width: 8px;
  background: var(--color-accent);
}
.cookie-modal::-webkit-scrollbar-thumb, .mobile-menu::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 8px;
}

/* 27. Print Styles */
@media print {
  header, footer, .cookie-banner, .mobile-menu, .cookie-modal-overlay {
    display: none !important;
  }
  section {
    box-shadow: none;
    background: var(--color-white);
    padding: 0;
  }
}

/* END Synapse Venture Nature Organic Theme */