/* ========================================
   RESPONSIVE DESIGN - Mobile First Approach
   Breakpoints:
   - Smartphones: <= 576px
   - Tablets: 577px - 968px
   - Desktops: > 968px
   ======================================== */

/* ========================================
   TABLETTES (768px - 968px)
   ======================================== */
@media (max-width: 968px) {
  /* Navigation */
  .nav-container {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 70%;
    max-width: 300px;
    height: calc(100vh - 70px);
    background: white;
    flex-direction: column;
    padding: 2rem;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.3s;
    gap: 1rem;
    overflow-y: auto;
  }

  body.dark-mode .nav-links {
    background: #16213e;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links li {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding-bottom: 1rem;
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .menu-toggle {
    display: flex;
  }

  .logo {
    max-width: 150px;
    gap: 0.8rem;
  }

  .logo-name {
    font-size: 0.85rem;
  }

  .logo-title {
    font-size: 0.7rem;
  }

  .logo-image {
    width: 45px;
    height: 45px;
  }

  /* Hero Section */
  .hero {
    padding: 5rem 1.5rem 2rem;
    min-height: auto;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 100%;
  }

  .hero-text h1 {
    font-size: 2.5rem;
  }

  .hero-text .subtitle {
    font-size: 1.2rem;
  }

  .hero-text p {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    text-align: center;
  }

  .hero-image {
    display: none;
  }

  /* Container et Sections */
  .container {
    max-width: 100%;
    padding: 0 1.5rem;
    margin: 0 auto;
  }

  section {
    padding: 3rem 0;
  }

  /* Section Title */
  .section-title h2 {
    font-size: 2.2rem;
    margin-bottom: 0.8rem;
  }

  .section-title p {
    font-size: 1rem;
  }

  /* About Section */
  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-image {
    text-align: center;
  }

  .profile-image {
    width: 250px;
    height: 250px;
    margin: 0 auto;
  }

  .about-info {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* Company Section */
  .company-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .company-services {
    height: auto;
  }

  .services-list {
    flex-direction: column;
    gap: 1.5rem;
  }

  .service-item {
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
  }

  .service-icon {
    min-width: 50px;
  }

  .company-cta {
    flex-direction: column;
    gap: 1rem;
  }

  .company-cta .btn {
    width: 100%;
    padding: 1rem;
    font-size: 0.95rem;
  }

  /* Stats Section */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .stat-card {
    padding: 2rem 1.5rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  /* Skills Section */
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .skill-category {
    padding: 1.5rem;
  }

  .skill-category h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
  }

  /* Timeline */
  .timeline {
    padding-left: 2rem;
  }

  .timeline-item {
    margin-bottom: 2rem;
  }

  .timeline-date {
    font-size: 0.9rem;
  }

  .timeline-content h3 {
    font-size: 1.1rem;
  }

  /* Portfolio */
  .portfolio-filters {
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
  }

  .filter-btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .portfolio-item {
    margin-bottom: 1rem;
  }

  /* Services Section */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* Contact Section */
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-info {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .form-group {
    margin-bottom: 1.5rem;
  }

  input,
  textarea {
    padding: 0.8rem;
    font-size: 1rem;
  }

  /* Buttons */
  .btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.95rem;
  }

  .btn-sm {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }
}

/* ========================================
   SMARTPHONES (max-width: 576px)
   ======================================== */
@media (max-width: 576px) {
  /* Base Adjustments */
  html {
    font-size: 14px;
  }

  body {
    padding: 0;
  }

  .container {
    max-width: 100%;
    padding: 0 1rem;
  }

  section {
    padding: 2.5rem 0;
  }

  /* Navigation */
  .nav-container {
    padding: 0.8rem 1rem;
  }

  .logo {
    max-width: 130px;
    gap: 0.6rem;
  }

  .logo-image {
    width: 40px;
    height: 40px;
  }

  .logo-name {
    font-size: 0.8rem;
  }

  .logo-title {
    font-size: 0.65rem;
  }

  nav {
    padding: 0.8rem 0;
  }

  .nav-links {
    width: 85%;
    top: 65px;
    height: calc(100vh - 65px);
    padding: 1.5rem;
    gap: 0.5rem;
  }

  .menu-toggle {
    gap: 4px;
  }

  .menu-toggle span {
    width: 22px;
    height: 2.5px;
  }

  /* Hero Section */
  .hero {
    min-height: 80vh;
    padding: 4rem 1rem 2rem;
  }

  .hero-content {
    gap: 1.5rem;
  }

  .hero-text h1 {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
    line-height: 1.2;
  }

  .hero-text .subtitle {
    font-size: 1rem;
    margin-bottom: 0.8rem;
  }

  .hero-text p {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 0.8rem;
  }

  .hero-buttons .btn {
    width: 100%;
    padding: 0.7rem 1rem;
    font-size: 0.9rem;
  }

  /* Section Titles */
  .section-title {
    text-align: center;
    margin-bottom: 2rem;
  }

  .section-title h2 {
    font-size: 1.8rem;
    margin-bottom: 0.6rem;
  }

  .section-title p {
    font-size: 0.9rem;
    color: var(--gray);
  }

  /* About Section */
  .about-content {
    gap: 1.5rem;
  }

  .profile-image {
    width: 200px;
    height: 200px;
    margin: 0 auto;
  }

  .actual-profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .about-info {
    gap: 1.2rem;
  }

  .info-item {
    display: flex;
    gap: 1rem;
  }

  .info-item i {
    font-size: 1.2rem;
    color: var(--primary);
    min-width: 25px;
  }

  .info-item div {
    flex: 1;
  }

  .info-item strong {
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.3rem;
  }

  .info-item p {
    font-size: 0.85rem;
    margin: 0;
  }

  .about-text h3 {
    font-size: 1.3rem;
    margin: 1.5rem 0 1rem;
  }

  .about-text p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
  }

  /* Company Section */
  .company-content {
    gap: 1.5rem;
  }

  .company-text h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
  }

  .company-text p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }

  .values-list {
    gap: 1rem;
  }

  .values-list li {
    font-size: 0.9rem;
    line-height: 1.5;
  }

  .values-list i {
    margin-right: 0.8rem;
    font-size: 1.1rem;
  }

  .services-list {
    gap: 1.2rem;
  }

  .service-item {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }

  .service-icon {
    font-size: 2.5rem;
    margin: 0 auto 1rem;
  }

  .service-detail h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
  }

  .service-detail p {
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
  }

  .price {
    font-size: 0.9rem;
    display: block;
    margin-top: 0.5rem;
  }

  .company-cta {
    gap: 0.8rem;
  }

  .company-cta .btn {
    width: 100%;
    padding: 0.9rem;
    font-size: 0.85rem;
  }

  /* Stats Section */
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .stat-card {
    padding: 1.5rem;
    text-align: center;
  }

  .stat-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  .stat-number {
    font-size: 2rem;
    margin-bottom: 0.5rem;
  }

  .stat-label {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
  }

  .stat-text {
    font-size: 0.8rem;
    line-height: 1.4;
  }

  /* Skills Section */
  .skills-grid {
    gap: 1.5rem;
  }

  .skill-category {
    padding: 1.2rem;
  }

  .skill-category h3 {
    font-size: 1.1rem;
    margin-bottom: 1.2rem;
  }

  .skill-category i {
    margin-right: 0.5rem;
  }

  .skill-item {
    margin-bottom: 1.2rem;
  }

  .skill-name {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
  }

  .skill-bar {
    height: 6px;
    border-radius: 3px;
  }

  .skill-progress {
    height: 100%;
  }

  /* Timeline */
  .timeline {
    padding-left: 1.5rem;
    border-left: 2px solid var(--primary);
  }

  .timeline-item {
    margin-bottom: 2rem;
    position: relative;
    padding-left: 2rem;
  }

  .timeline-item::before {
    content: "";
    position: absolute;
    left: -1.5rem;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    border: 2px solid white;
  }

  .timeline-date {
    display: block;
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
  }

  .timeline-content h3 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
  }

  .timeline-content h4 {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 0.8rem;
  }

  .timeline-content p,
  .timeline-content li {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 0.5rem;
  }

  .timeline-content ul {
    padding-left: 1.5rem;
  }

  /* Portfolio */
  .portfolio-filters {
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
    margin-bottom: 2rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    border-radius: 20px;
  }

  .portfolio-grid {
    gap: 1.5rem;
  }

  .portfolio-item {
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  .portfolio-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
  }

  .portfolio-image i {
    font-size: 2.5rem;
  }

  .portfolio-content {
    padding: 1.2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  .portfolio-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
  }

  .portfolio-content p {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    flex: 1;
  }

  .tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
  }

  .tech-tag {
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
  }

  .portfolio-content .btn {
    width: 100%;
    padding: 0.6rem;
    font-size: 0.8rem;
  }

  /* Services Grid */
  .services-grid {
    gap: 1.5rem;
  }

  .service-box {
    padding: 1.5rem;
    text-align: center;
  }

  .service-box i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
  }

  .service-box h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
  }

  .service-box p {
    font-size: 0.85rem;
    line-height: 1.5;
  }

  /* Contact Section */
  .contact-content {
    gap: 2rem;
  }

  .contact-info {
    gap: 1.2rem;
  }

  .contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
  }

  .contact-info-item i {
    font-size: 1.3rem;
    color: var(--primary);
    margin-top: 0.3rem;
    min-width: 25px;
  }

  .contact-info-item h4 {
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
  }

  .contact-info-item p {
    font-size: 0.85rem;
    margin: 0;
  }

  .contact-form {
    width: 100%;
  }

  .form-group {
    margin-bottom: 1.2rem;
  }

  .form-group label {
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
  }

  input,
  textarea {
    width: 100%;
    padding: 0.7rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: 1px solid #ddd;
  }

  textarea {
    resize: vertical;
    min-height: 120px;
  }

  .form-group.full {
    grid-column: 1 / -1;
  }

  .btn-submit {
    width: 100%;
    padding: 0.9rem;
    font-size: 0.9rem;
  }

  /* Buttons */
  .btn {
    padding: 0.7rem 1.2rem;
    font-size: 0.85rem;
    border-radius: 25px;
    transition: all 0.3s ease;
  }

  .btn:active {
    transform: scale(0.98);
  }

  .btn-sm {
    padding: 0.5rem 0.9rem;
    font-size: 0.8rem;
  }

  /* Footer/General */
  footer {
    padding: 2rem 1rem;
    text-align: center;
  }

  footer p {
    font-size: 0.85rem;
  }
}

/* ========================================
   TRÈS PETITS ÉCRANS (max-width: 375px)
   ======================================== */
@media (max-width: 375px) {
  html {
    font-size: 13px;
  }

  .container {
    padding: 0 0.8rem;
  }

  section {
    padding: 2rem 0;
  }

  .nav-container {
    padding: 0.7rem 0.8rem;
  }

  .logo {
    max-width: 110px;
    gap: 0.5rem;
  }

  .logo-image {
    width: 35px;
    height: 35px;
  }

  .hero {
    min-height: 70vh;
    padding: 3.5rem 0.8rem 1.5rem;
  }

  .hero-text h1 {
    font-size: 1.5rem;
  }

  .hero-text .subtitle {
    font-size: 0.9rem;
  }

  .hero-text p {
    font-size: 0.85rem;
  }

  .hero-buttons {
    gap: 0.6rem;
  }

  .hero-buttons .btn {
    padding: 0.6rem 0.9rem;
    font-size: 0.8rem;
  }

  .section-title h2 {
    font-size: 1.6rem;
  }

  .section-title p {
    font-size: 0.8rem;
  }

  .profile-image {
    width: 180px;
    height: 180px;
  }

  .stat-card {
    padding: 1.2rem;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .portfolio-image {
    height: 180px;
  }

  .portfolio-image i {
    font-size: 2rem;
  }

  /* Ensure touch targets are at least 44px */
  .btn,
  .filter-btn,
  .menu-toggle {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  input,
  textarea {
    padding: 0.8rem;
    font-size: 16px; /* Prevents zoom on iOS */
  }
}

/* ========================================
   LANDSCAPE ORIENTATION (Small devices)
   ======================================== */
@media (max-height: 600px) and (orientation: landscape) {
  section {
    padding: 1.5rem 0;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  .hero-text h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
  }

  .nav-links {
    height: auto;
    max-height: calc(100vh - 70px);
  }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
  nav,
  .page-loader,
  .menu-toggle {
    display: none;
  }

  section {
    page-break-inside: avoid;
    padding: 1rem 0;
  }

  .portfolio-grid,
  .skills-grid {
    grid-template-columns: 1fr;
  }
}