/* 
====================================
PORTFOLIO OLIVIER YOUFANG - CSS PRINCIPAL
====================================
Architecture modulaire pour un design system cohérent
*/

/* Base - Fondations */
@import url('./base/variables.css');
@import url('./base/reset.css');
@import url('./base/typography.css');

/* Composants réutilisables */
@import url('./components/buttons.css');
@import url('./components/cards.css');
@import url('./components/modals.css');
@import url('./components/navigation.css');

/* Sections spécifiques */
@import url('./sections/hero.css');
@import url('./sections/about.css');
@import url('./sections/experience.css');
@import url('./sections/projects.css');
@import url('./sections/contact.css');

/* Utilitaires */
@import url('./utilities/animations.css');
@import url('./utilities/responsive.css');

/* Layout global */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section__title {
  font-size: 3rem;
  color: var(--color-text-light);
  margin-bottom: 3rem;
  position: relative;
  text-align: center;
  font-weight: 700;
  font-family: var(--font-heading);
}

.section__title::after {
  content: '';
  position: absolute;
  width: 100px;
  height: 5px;
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-hover));
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 5px;
}

/* Système de grille unifié */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2cols {
  grid-template-columns: 1fr 1fr;
}

.grid--3cols {
  grid-template-columns: repeat(3, 1fr);
}

.grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

/* Classes utilitaires */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -50px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  z-index: 10000;
  transition: top 0.3s ease;
}

.skip-link:focus {
  top: 0;
}