@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Source+Serif+4:opsz,wght@8..60,400;8..60,600&display=swap');

:root {
  --color-primary: #2c4a6e;
  --color-primary-light: #3b6491;
  --color-accent: #c67a2e;
  --color-accent-hover: #b06a22;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f8fa;
  --color-card: #ffffff;
  --color-text: #2e3338;
  --color-text-light: #5f6b7a;
  --color-border: #e2e6ea;
  --color-border-light: #eef0f2;
  --radius: 6px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: 'Source Serif 4', Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 0.95rem;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
.site-header {
  padding: 3rem 0 2.5rem;
  background: var(--color-bg);
  text-align: center;
}

.site-header .container {
  position: relative;
  padding-bottom: 1.75rem;
}

.site-header .container::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4rem;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

.site-title a {
  font-family: var(--font-serif);
  color: var(--color-primary);
  text-decoration: none;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.site-tagline {
  margin-top: 0.6rem;
  color: var(--color-text-light);
  font-size: 0.88rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

/* Intro */
.intro {
  padding: 2.5rem 0 2rem;
}

.intro h2 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.intro p {
  margin-bottom: 0.9rem;
  color: var(--color-text);
}

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

.intro li {
  margin-bottom: 0.35rem;
}

.intro a {
  color: var(--color-primary-light);
  text-decoration-color: var(--color-border);
  text-underline-offset: 2px;
}

.intro a:hover {
  text-decoration-color: var(--color-primary-light);
}

/* Outils grid */
.outils {
  padding: 2rem 0 3.5rem;
  border-top: 1px solid var(--color-border-light);
}

.outils > h2 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.outils-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.outil-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.outil-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: 0 2px 12px rgba(44, 74, 110, 0.08);
}

.outil-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.outil-card-link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  flex: 1;
}

.outil-card-link h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}

.outil-card-link:hover h3 {
  color: var(--color-primary-light);
}

.outil-card-link .outil-resume {
  color: var(--color-text-light);
  font-size: 0.85rem;
  line-height: 1.55;
  flex: 1;
  margin-bottom: 0.6rem;
}

.outil-more {
  color: var(--color-primary-light);
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  letter-spacing: 0.01em;
}

.outil-card-footer {
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border-light);
}

.outil-links {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.outil-cout {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  cursor: default;
}

.cout-euro {
  color: var(--color-border);
  font-weight: 600;
}

.cout-euro.active {
  color: var(--color-accent);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
}

.btn-secondary {
  background: var(--color-bg-alt);
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-border-light);
  color: var(--color-text);
}

/* Outil detail page */
.back-link {
  display: inline-block;
  margin: 2rem 0 1rem;
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.back-link:hover {
  color: var(--color-primary);
}

.outil-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border-light);
}

.outil-icon-large {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.5rem;
}

.outil-header h2 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.outil-resume-large {
  color: var(--color-text-light);
  font-size: 1rem;
  line-height: 1.6;
}

.outil-links-bar {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.outil-links-bar .btn {
  font-size: 0.85rem;
  padding: 0.5rem 1.1rem;
}

/* Maintenance info */
.outil-maintenance {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}

.outil-maintenance h3 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.outil-maintenance dl {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.outil-maintenance .maintenance-item {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
}

.outil-maintenance dt {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-light);
  white-space: nowrap;
}

.outil-maintenance dt::after {
  content: " :";
}

.outil-maintenance dd {
  font-size: 0.85rem;
  color: var(--color-text);
}

.cout-indicator {
  letter-spacing: 0.08em;
  margin-right: 0.4rem;
}

.cout-detail {
  color: var(--color-text-light);
}

.outil-maintenance a {
  color: var(--color-primary-light);
  text-decoration-color: var(--color-border);
  text-underline-offset: 2px;
}

.outil-maintenance a:hover {
  text-decoration-color: var(--color-primary-light);
}

.outil-content {
  padding-bottom: 3rem;
}

.outil-content h3 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  margin: 2rem 0 0.6rem;
  font-size: 1.15rem;
  font-weight: 600;
}

.outil-content p {
  margin-bottom: 0.9rem;
}

.outil-content ul {
  margin: 0.4rem 0 1rem 1.25rem;
}

.outil-content li {
  margin-bottom: 0.35rem;
}

.outil-content a {
  color: var(--color-primary-light);
  text-decoration-color: var(--color-border);
  text-underline-offset: 2px;
}

.outil-content a:hover {
  text-decoration-color: var(--color-primary-light);
}

.outil-content code {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-size: 0.88em;
}

.outil-content pre {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}

.outil-content pre code {
  background: none;
  border: none;
  padding: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  color: var(--color-text-light);
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.8rem;
  margin-top: 1rem;
}

.btn-refresh {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  border-radius: 50%;
  width: 1.4em;
  height: 1.4em;
  font-size: 0.8rem;
  cursor: pointer;
  margin-left: 0.4rem;
  vertical-align: middle;
  line-height: 1;
  padding: 0;
  transition: color 0.15s, border-color 0.15s;
}

.btn-refresh:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-light);
}

@media (max-width: 600px) {
  .container { padding: 0 1.25rem; }
  .site-header { padding: 1.5rem 0; }
  .site-title a { font-size: 1.3rem; }
  .outils-grid { grid-template-columns: 1fr; }
}