/* ══════════════════════════════════════════
   base.css – Reset, typographie, utilitaires
═══════════════════════════════════════════ */

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

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

body {
  font-family: var(--font-body);
  color: var(--texte);
  background: var(--creme);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a  { color: inherit; text-decoration: none; }

/* ── Conteneurs ── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
@media (max-width: 768px) {
  .container--split { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ── Sections ── */
.section           { padding: var(--section-pad); }
.section--white    { background: var(--blanc); }
.section--light    { background: var(--gris-clair); }
.section--pale     { background: var(--vert-bg); }
.section--dark     { background: var(--vert-fonce); }

.section__header {
  max-width: 640px;
  margin-bottom: 3rem;
}
.section__header.text-center { text-align: center; margin: 0 auto 3rem; }

.section__label {
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--vert-clair);
  font-weight: 600;
  margin-bottom: 0.6rem;
  display: block;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--vert-fonce);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section--dark .section__title { color: white; }
.section__sub {
  font-size: 1rem;
  color: var(--texte-muted);
  line-height: 1.7;
}
.section__cta { text-align: center; margin-top: 2.5rem; }

/* ── Boutons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-decoration: none;
}
.btn--primary {
  background: var(--vert-clair);
  color: white;
}
.btn--primary:hover { background: var(--vert-moyen); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn--outline {
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: white;
}
.btn--outline:hover { border-color: white; background: rgba(255,255,255,0.1); }

.btn--outline-dark {
  background: transparent;
  border-color: var(--vert-moyen);
  color: var(--vert-moyen);
}
.btn--outline-dark:hover { background: var(--vert-moyen); color: white; }

.btn--white {
  background: white;
  color: var(--vert-fonce);
  font-weight: 600;
}
.btn--white:hover { background: var(--vert-pale); }

/* ── Tags ── */
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
}
.tag--green     { background: var(--vert-pale); color: var(--vert-fonce); }
.tag--en_cours  { background: #fff3cd; color: #856404; }
.tag--termine   { background: #d1e7dd; color: #0f5132; }
.tag--planifie  { background: #cfe2ff; color: #084298; }

/* ── Alertes / Messages Django ── */
.messages-wrapper { padding: 1rem 1.5rem; }
.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}
.alert--success { background: #d1e7dd; color: #0f5132; }
.alert--error   { background: #f8d7da; color: #842029; }
.alert--warning { background: #fff3cd; color: #664d03; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--vert-fonce) 0%, #0d2410 55%, #1a3a1f 100%);
}
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(74,156,82,0.07) 1px, transparent 1px);
  background-size: 26px 26px;
}
.hero__overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.1); }

.hero__container {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 8rem 1.5rem 10rem;
}
.hero__content { max-width: 660px; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(74,156,82,0.18);
  border: 1px solid rgba(74,156,82,0.35);
  color: #a8d4ab;
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
}
.hero__badge-dot {
  width: 6px; height: 6px;
  background: var(--vert-clair);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.4); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 900;
  color: white;
  line-height: 1.1;
  margin-bottom: 1.4rem;
}
.hero__title em { color: var(--vert-clair); font-style: normal; }

.hero__sub {
  font-size: 1.05rem;
  color: #9dc9a0;
  line-height: 1.75;
  margin-bottom: 2.2rem;
  font-weight: 300;
  max-width: 520px;
}
.hero__btns { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Stats bar */
.hero__stats {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 2;
  background: rgba(0,0,0,0.25);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  gap: 4rem;
  padding: 1.5rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.hero__stat { text-align: center; }
.hero__stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: white;
  display: block;
}
.hero__stat-lbl {
  font-size: 0.72rem;
  color: #7aaa7d;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ── À propos home ── */
.about-img { position: relative; }
.about-img__frame {
  width: 100%;
  padding-top: 100%;
  background: linear-gradient(135deg, var(--vert-pale), var(--vert-bg));
  border-radius: var(--radius-lg);
  border: 2px solid var(--vert-pale);
}
.values { display: flex; flex-direction: column; gap: 1rem; margin: 1.5rem 0 2rem; }
.value {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--gris-clair);
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  border-left: 3px solid var(--vert-clair);
}
.value__icon { font-size: 1.4rem; flex-shrink: 0; }
.value h4 { font-size: 0.9rem; font-weight: 600; color: var(--vert-fonce); margin-bottom: 2px; }
.value p  { font-size: 0.82rem; color: var(--texte-muted); }

/* ── Services grid ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: white;
  border-radius: var(--radius);
  padding: 1.8rem;
  border: 1px solid var(--gris-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: block;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; width: 100%; height: 3px;
  background: var(--vert-clair);
  transform: scaleX(0);
  transition: transform 0.3s;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.service-card:hover::after { transform: scaleX(1); }
.service-card__icon  { font-size: 2rem; margin-bottom: 0.8rem; }
.service-card__title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; color: var(--vert-fonce); margin-bottom: 0.5rem; }
.service-card__desc  { font-size: 0.85rem; color: var(--texte-muted); line-height: 1.6; }
.service-card__link  { font-size: 0.82rem; color: var(--vert-clair); font-weight: 600; margin-top: 0.8rem; display: inline-block; }

/* ── Projects grid ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}
.project-card { background: white; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--gris-border); transition: var(--transition); display: block; }
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.project-card__img { width: 100%; height: 200px; object-fit: cover; }
.project-card__img--placeholder { display: flex; align-items: center; justify-content: center; background: var(--vert-bg); font-size: 2.5rem; }
.project-card__body { padding: 1.2rem 1.4rem 1.4rem; }
.project-card__title { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--vert-fonce); margin: 0.5rem 0; }
.project-card__desc  { font-size: 0.83rem; color: var(--texte-muted); line-height: 1.5; }
.project-card__partner { font-size: 0.78rem; color: var(--vert-moyen); margin-top: 0.5rem; }

/* ── Articles grid ── */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.article-card { background: white; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--gris-border); transition: var(--transition); display: block; }
.article-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.article-card__img  { width: 100%; height: 180px; object-fit: cover; }
.article-card__body { padding: 1.2rem 1.4rem; }
.article-card__title   { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--vert-fonce); margin: 0.5rem 0; }
.article-card__excerpt { font-size: 0.83rem; color: var(--texte-muted); line-height: 1.5; }
.article-card__link    { font-size: 0.82rem; color: var(--vert-clair); font-weight: 600; margin-top: 0.6rem; display: inline-block; }

/* ── Partners ── */
.partners-section { padding: 3rem 1.5rem; }
.partners-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-top: 1.5rem;
}
.partner-logo img { height: 50px; width: auto; object-fit: contain; filter: grayscale(1); opacity: 0.6; transition: var(--transition); }
.partner-logo:hover img { filter: grayscale(0); opacity: 1; }

/* ── CTA Banner ── */
.cta-banner {
  background: var(--vert-fonce);
  padding: 5rem 1.5rem;
  text-align: center;
}
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: white;
  margin-bottom: 1rem;
}
.cta-banner p { color: #9dc9a0; font-size: 1rem; margin-bottom: 2rem; }

/* ── Empty state ── */
.empty-state { color: var(--texte-muted); font-style: italic; padding: 2rem; text-align: center; }

/* ── Form inputs ── */
.form-input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gris-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s;
  background: white;
  color: var(--texte);
}
.form-input:focus { border-color: var(--vert-moyen); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero__stats { gap: 1.5rem; flex-wrap: wrap; }
  .section { padding: 4rem 1rem; }
}