/* === PALETTE ===
   Vert doux (sécurité)         #a8c3a0
   Ocre / ambre doux (confusion) #f4b183
   Rouge profond désaturé       #d46a6a
   Beige clair (respiration)    #f5efe6
   Blanc cassé                  #faf7f2
   Gris doux (secondaire)       #8c8c8c
   Texte principal              #222222
*/

/* === RESET & BASE === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.7;
  color: #222222;
  background: #f5efe6;
  text-align: justify;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* === HEADER === */
header {
  background: linear-gradient(135deg, #3a2a2a 0%, #4a3535 50%, #3d3028 100%);
  color: #fff;
  text-align: center;
  padding: 4rem 1.5rem 3rem;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

header .subtitle {
  font-size: 1.15rem;
  color: #d4c4b8;
  margin-bottom: 0.75rem;
}

header .tagline {
  font-size: 1rem;
  color: #b8a898;
  font-style: italic;
}

/* === NAVIGATION === */
nav {
  background: #faf7f2;
  border-bottom: 1px solid #e0ddd6;
  position: sticky;
  top: 0;
  z-index: 100;
  overflow-x: auto;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
}

nav a {
  display: block;
  padding: 0.85rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: #6a6a6a;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

nav a:hover,
nav a:focus {
  color: #7daf75;
  border-bottom-color: #a8c3a0;
}

/* === SECTIONS === */
section {
  padding: 3.5rem 0;
  scroll-margin-top: 3.5rem;
}

.alt-bg {
  background: #faf7f2;
}

h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: #3d3028;
}

h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  color: #7daf75;
}

h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  color: #3d3028;
}

p {
  margin-bottom: 1rem;
}

ul, ol {
  margin: 0.75rem 0 1.25rem 1.5rem;
}

li {
  margin-bottom: 0.35rem;
  text-align: left;
}

.cols-2 {
  columns: 2;
  column-gap: 2rem;
  list-style-position: inside;
}

.cols-2 li {
  break-inside: avoid;
}

/* === SPECIAL TEXT === */
.emphatic {
  font-size: 1.1rem;
  font-weight: 600;
  color: #7daf75;
  margin-top: 1rem;
}

.big {
  font-size: 1.3rem;
  font-weight: 700;
  color: #3d3028;
  margin-top: 1.5rem;
}

.strong {
  font-weight: 700;
  font-size: 1.05rem;
}

/* === IMAGES === */
.image-row {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.thumbnail {
  width: 160px;
  height: auto;
  border-radius: 8px;
  border: 1px solid #e0ddd6;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.thumbnail:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* === BOXES === */
.highlight-box {
  background: #eef5ec;
  border-left: 4px solid #a8c3a0;
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 8px 8px 0;
}

.important-box {
  background: #eef5ec;
  border-left: 4px solid #a8c3a0;
  padding: 0.5rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 8px 8px 0;
}

.info-box {
  background: #faf7f2;
  border-left: 4px solid #f4b183;
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 8px 8px 0;
}

.question-box {
  background: #fef0e7;
  border-left: 4px solid #f4b183;
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 8px 8px 0;
}

.example-box {
  background: #fef0e7;
  border-left: 4px solid #f4b183;
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 8px 8px 0;
}

.doubt-list {
  list-style: none;
  margin-left: 0;
  font-style: italic;
  color: #222222;
}

.doubt-list li::before {
  content: "› ";
  color: #d46a6a;
  font-weight: bold;
}

.doubt-list-green {
  list-style: none;
  margin-left: 0;
}

.doubt-list-green li::before {
  content: "› ";
  color: #a8c3a0;
  font-weight: bold;
}

.doubt-list-black {
  list-style: none;
  margin-left: 0;
}

.doubt-list-black li::before {
  content: "› ";
  color: #222222;
  font-weight: bold;
}

.doubt-list-orange {
  list-style: none;
  margin-left: 0;
}

.doubt-list-orange li::before {
  content: "› ";
  color: #f4b183;
  font-weight: bold;
}

/* === THERMOMETER === */
.thermometer {
  margin: 2rem 0;
}

.zone {
  padding: 1.5rem;
  margin-bottom: 1rem;
  border-radius: 12px;
  border: 2px solid transparent;
}

.zone-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.zone-label h3 {
  margin: 0;
  font-size: 1.1rem;
}

.dot {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  flex-shrink: 0;
}

.green-dot { background: #a8c3a0; }
.orange-dot { background: #f4b183; }
.red-dot { background: #d46a6a; }

.zone.green {
  background: #eef5ec;
  border-color: #a8c3a0;
}

.zone.green .zone-label h3 { color: #6b9a63; }

.zone.orange {
  background: #fef0e7;
  border-color: #f4b183;
}

.zone.orange .zone-label h3 { color: #d4946a; }

.zone.red {
  background: #fce8e8;
  border-color: #d46a6a;
}

.zone.red .zone-label h3 { color: #b55454; }

.zone ul {
  margin: 0.5rem 0 1rem 1.25rem;
}

.conclusion {
  font-weight: 600;
  font-size: 1.05rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(0,0,0,0.1);
}

/* === DOWNLOAD BUTTON === */
.download-btn {
  display: inline-block;
  background: #a8c3a0;
  color: #fff;
  padding: 0.85rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 1.5rem;
  max-width: fit-content;
  transition: background 0.2s;
}

.download-btn:hover {
  background: #8db385;
}

/* === RESOURCES === */
.resources {
  background: #eef5ec;
  padding: 1.5rem;
  border-radius: 12px;
  margin: 1.5rem 0;
}

.resources ul {
  list-style: none;
  margin-left: 0;
}

.resources li {
  padding: 0.35rem 0;
}

.resources li::before {
  content: "→ ";
  color: #a8c3a0;
  font-weight: bold;
}

/* === FOOTER === */
footer {
  background: #3a2a2a;
  color: #c8b8a8;
  text-align: center;
  padding: 2rem 1.5rem;
}

footer p {
  margin-bottom: 0.5rem;
}

footer .small {
  font-size: 0.85rem;
  color: #8c8c8c;
}

/* === RESPONSIVE === */
@media (max-width: 640px) {
  html { font-size: 15px; }

  header { padding: 2.5rem 1rem 2rem; }
  header h1 { font-size: 1.75rem; }

  nav ul { justify-content: flex-start; }

  h2 { font-size: 1.4rem; }

  section { padding: 2.5rem 0; }

  .cols-2 {
    columns: 1;
  }

  .zone { padding: 1rem; }
}

@media (max-width: 480px) {
  header h1 { font-size: 1.4rem; }
  nav a { font-size: 0.75rem; padding: 0.65rem 0.6rem; }
}