/* ============================================================
   Qeessel — Feuille de style commune
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-brand-strong);
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-4);
}
h1 { font-size: var(--text-4xl); font-weight: 700; }
h2 { font-size: var(--text-3xl); font-weight: 700; }
h3 { font-size: var(--text-xl); font-weight: 600; }
p { margin: 0 0 var(--space-4); }
.text-muted { color: var(--color-text-muted); }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

section { padding: var(--space-9) 0; }
.section-alt { background: var(--color-bg-alt); }
.section-inverse { background: var(--color-bg-inverse); color: var(--color-text-inverse); }
.section-inverse h1, .section-inverse h2, .section-inverse h3 { color: var(--color-text-inverse); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-500);
  margin-bottom: var(--space-3);
}

/* --- Boutons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.btn-primary {
  background: var(--gradient-brand);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline {
  background: transparent;
  border-color: var(--color-primary-900);
  color: var(--color-primary-900);
}
.btn-outline:hover { background: var(--color-primary-900); color: var(--color-white); }
.section-inverse .btn-outline { border-color: var(--color-white); color: var(--color-white); }
.section-inverse .btn-outline:hover { background: var(--color-white); color: var(--color-primary-900); }

/* --- Cartes --- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-brand);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-white);
  margin-bottom: var(--space-4);
  font-size: 1.4rem;
}

.grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* --- Hero deux colonnes (texte + illustration) --- */
.hero-split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}
.hero-image img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
@media (max-width: 900px) {
  .hero-split { grid-template-columns: 1fr; }
}

/* --- Bloc fondateur --- */
.founder-block {
  display: flex;
  gap: var(--space-6);
  align-items: center;
  max-width: 760px;
  margin: 0 auto;
}
.founder-photo {
  flex: none;
  width: 200px;
}
.founder-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
@media (max-width: 600px) {
  .founder-block { flex-direction: column; text-align: center; }
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  background: var(--color-accent-100);
  color: var(--color-primary-900);
}

/* --- Navigation --- */
.navbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.navbar .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: var(--space-3); padding-bottom: var(--space-3);
}
.navbar-brand { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-heading); font-weight: 700; font-size: var(--text-lg); color: var(--color-brand-strong); }
.navbar-brand img { height: 40px; width: auto; }
.navbar-links { display: flex; gap: var(--space-6); align-items: center; }
.navbar-links a { font-weight: 500; color: var(--color-text); transition: color var(--transition-fast); }
.navbar-links a:hover, .navbar-links a.active { color: var(--color-accent-500); }
.navbar-toggle { display: none; background: none; border: none; cursor: pointer; }

@media (max-width: 860px) {
  .navbar-toggle { display: block; }
  .navbar-links {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--color-white);
    flex-direction: column; align-items: flex-start;
    padding: var(--space-5) var(--container-pad);
    border-bottom: 1px solid var(--color-border);
    display: none;
  }
  .navbar-links.open { display: flex; }
}

/* --- Pied de page --- */
.footer { background: var(--color-bg-inverse); color: var(--color-text-inverse); padding: var(--space-8) 0 var(--space-6); }
.footer a { color: var(--color-accent-300); }
.footer-grid { display: grid; gap: var(--space-6); grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-bottom: var(--space-6); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); padding-top: var(--space-5); font-size: var(--text-sm); color: var(--color-neutral-300); }

/* --- Formulaires --- */
.field { margin-bottom: var(--space-5); }
.field label { display: block; font-weight: 600; margin-bottom: var(--space-2); font-size: var(--text-sm); }
.field input, .field textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-accent-400);
  box-shadow: 0 0 0 3px var(--color-accent-100);
}
.honeypot { position: absolute; left: -9999px; opacity: 0; }
.form-message { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); font-size: var(--text-sm); margin-bottom: var(--space-4); display: none; }
.form-message.success { display: block; background: rgba(30,158,107,0.12); color: var(--color-success); }
.form-message.error { display: block; background: rgba(214,69,69,0.12); color: var(--color-error); }

/* --- Utilitaires --- */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-prose { max-width: 640px; }