/* === NAVIGATION === */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: transform var(--transition-base);
}

.nav--hidden { transform: translateY(-100%); }

.nav__container {
  max-width: var(--max-width-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

@media (min-width: 768px) {
  .nav__logo-img {
    height: 50px;
  }
}
	
.nav__logo {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-primary);
  font-family: var(--font-heading);
}

.nav__menu {
  display: flex;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav__link {
  font-weight: 500;
  position: relative;
  padding: var(--spacing-xs) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav__toggle-icon {
  width: 24px;
  height: 2px;
  background: var(--color-neutral-900);
  display: block;
  position: relative;
  transition: var(--transition-base);
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: inherit;
  transition: var(--transition-base);
}

.nav__toggle-icon::before { transform: translateY(-8px); }
.nav__toggle-icon::after { transform: translateY(8px); }

@media (max-width: 768px) {
  .nav__toggle { display: block; }
  
  .nav__menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: white;
    flex-direction: column;
    padding: var(--spacing-2xl);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }
  
  .nav__menu--open { transform: translateX(0); }
}

/* === BOUTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

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

.btn--primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn--accent:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

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

/* === CARTES === */
.card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.card__title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.card__description {
  color: var(--color-neutral-700);
  line-height: 1.6;
}

/* === SECTION === */
.section {
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.section__container {
  max-width: var(--max-width-xl);
  margin: 0 auto;
}

.section__header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section__title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.section__subtitle {
  color: var(--color-neutral-700);
  font-size: var(--font-size-lg);
  max-width: var(--max-width-md);
  margin: 0 auto;
}

/* === GRILLES === */
.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* === FORMULAIRES === */
.form__group {
  margin-bottom: var(--spacing-lg);
}

.form__label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-neutral-900);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

/* === FOOTER === */
.footer {
  background: var(--color-primary-dark);
  color: white;
  padding: var(--spacing-2xl) var(--spacing-lg);
  margin-top: var(--spacing-3xl);
}

.footer__container {
  max-width: var(--max-width-xl);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.footer__title {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.footer__link {
  color: var(--color-neutral-200);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.footer__link:hover {
  color: white;
}

.footer__bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: var(--color-neutral-300);
}
.footer__logo-container {
  text-align: center;
  margin: var(--spacing-2xl) auto 0;
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 200px;
}

.footer__logo-img {
  height: 60px;
  width: auto;
  object-fit: contain;
  opacity: 0.8;
  transition: opacity var(--transition-base);
  display: block;
  margin: 0 auto;
}

.footer__logo-img:hover {
  opacity: 1;
}
/* ========================================
   PORTFOLIO COMPONENTS
======================================== */

/* Hero Portfolio */
.portfolio-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  color: white;
}

.portfolio-hero__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.portfolio-hero__badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: var(--spacing-xs) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-lg);
}

.portfolio-hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.portfolio-hero__subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.portfolio-hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.stat-item__value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent);
}

.stat-item__label {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-2xl);
}

.timeline-item__marker {
  position: absolute;
  left: -46px;
  top: 8px;
  width: 20px;
  height: 20px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 4px solid white;
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.timeline-item__content {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.timeline-item__content:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-lg);
}

.timeline-item__year {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.timeline-item__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.timeline-item__subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.timeline-item__list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-md) 0;
}

.timeline-item__list li {
  padding-left: var(--spacing-lg);
  position: relative;
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

.timeline-item__list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.timeline-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

/* Impact Cards */
.impact-card {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border-top: 4px solid var(--color-accent);
}

.impact-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.impact-card__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.impact-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.impact-card__subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.impact-card__description {
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.impact-card__achievements {
  list-style: none;
  padding: 0;
  margin: 0;
}

.impact-card__achievements li {
  padding-left: var(--spacing-lg);
  position: relative;
  margin-bottom: var(--spacing-xs);
}

.impact-card__achievements li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

/* Roadmap */
.roadmap {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.roadmap-phase {
  padding: var(--spacing-xl);
  border-left: 4px solid var(--color-neutral-200);
  margin-bottom: var(--spacing-xl);
  transition: border-color var(--transition-base);
}

.roadmap-phase:hover {
  border-color: var(--color-accent);
}

.roadmap-phase--highlight {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(26, 54, 93, 0.1));
  border-left-color: var(--color-accent);
  border-radius: var(--radius-lg);
}

.roadmap-phase__header {
  margin-bottom: var(--spacing-md);
}

.roadmap-phase__year {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.roadmap-phase__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.roadmap-phase__objectives {
  list-style: none;
  padding: 0;
  margin: 0;
}

.roadmap-phase__objectives li {
  padding-left: var(--spacing-lg);
  position: relative;
  margin-bottom: var(--spacing-sm);
}

.roadmap-phase__objectives li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.roadmap-phase__vision {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.roadmap-phase__skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

/* Project Highlight */
.project-highlight {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-top: var(--spacing-2xl);
  border: 2px solid var(--color-accent);
}

.project-highlight__badge {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.project-highlight__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.project-highlight__description {
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.project-highlight__status {
  display: flex;
  gap: var(--spacing-md);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.status-badge--in-progress {
  background: rgba(249, 115, 22, 0.1);
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.status-badge--in-progress::before {
  content: '⏳';
  font-size: 1rem;
}

/* CTA Modern */
.cta-modern {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  padding: var(--spacing-3xl) var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  align-items: center;
  text-align: center;
  color: white;
}

@media (min-width: 768px) {
  .cta-modern {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.cta-modern__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
}

.cta-modern__text {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  max-width: 500px;
}

.cta-modern__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

/* Enhanced Buttons */
.btn--cta {
  background: var(--color-accent);
  color: white;
  box-shadow: 0 8px 20px rgba(249, 115, 22, 0.4);
  position: relative;
  overflow: hidden;
}

.btn--cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn--cta:hover::before {
  width: 300px;
  height: 300px;
}

.btn--cta:hover {
  box-shadow: 0 12px 28px rgba(249, 115, 22, 0.5);
  transform: translateY(-2px);
}

.btn--large {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn__icon {
  font-size: 1.25rem;
}

.btn--outline-dark {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn--outline-dark:hover {
  background: white;
  color: var(--color-primary);
}

/* Badges */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  background: var(--color-neutral-100);
  color: var(--color-text);
}

.badge--primary {
  background: rgba(26, 54, 93, 0.1);
  color: var(--color-primary);
}

.badge--accent {
  background: rgba(249, 115, 22, 0.1);
  color: var(--color-accent);
}

.badge--success {
  background: rgba(34, 197, 94, 0.1);
  color: var(--color-success);
}

.badge--large {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-md);
}

/* Text Utilities */
.text-white {
  color: white;
}

/* Responsive Timeline */
@media (max-width: 768px) {
  .timeline {
    padding-left: var(--spacing-lg);
  }
  
  .timeline-item__marker {
    left: -36px;
    width: 16px;
    height: 16px;
  }
  
  .portfolio-hero__stats {
    gap: var(--spacing-lg);
  }
  
  .stat-item__value {
    font-size: 2rem;
  }
}