/* =====================
   VARIABLES CSS
   ===================== */
:root {
  --primary-color: #4e78ff;
  --secondary-color: #70b9f9;
  --dark-bg: #0f172a;
  --light-bg: #f8fafc;
  --text-dark: #1e293b;
  --text-light: #ffffff;
  --border-color: #e2e8f0;
  --border-color-card: #959595;
  --success-color: #10b981;
  --error-color: #ef4444;
  --spacing-unit: 2rem;
  --transition: all 0.3s ease;
  --text-title-police: "Pattaya";
  --web-padding-top-section: 120px;
  --tablet-padding-top-section: 120px;
  --mobile-padding-top-section: 80px;
}

/* =====================
   RESET & BASE STYLES
   ===================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, sans-serif;
  background-color: var(--light-bg);
  color: var(--text-dark);
  line-height: 1.6;
}

.lign-high {
  position: sticky;
  top: -10%;
  height: 1px;
  width: 100%;
}

.lign-midle {
  position: sticky;
  top: 50%;
  height: 1px;
  width: 100%;
}

.lign-low {
  position: sticky;
  top: 110%;
  height: 1px;
  width: 100%;
}

/* =====================
   CONTAINER & LAYOUT
   ===================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-unit);
}

.section {
  padding: 3rem var(--spacing-unit);
}

.section-title {
  font-size: 2.5rem;
  font-weight: bold;
  text-align: left;
  font-family: var(--text-title-police), sans-serif;
  color: var(--text-dark);
  position: relative;
  padding-bottom: 1rem;
}

/* =====================
   NAVBAR
   ===================== */
.navbar {
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: -webkit-sticky; /* fallback Safari */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  margin: 0 auto;
  z-index: 1000;
  -webkit-transform: translateZ(0); /* force GPU layer sur iOS */
  transform: translateZ(0);
}

.navbar-container {
  padding: 0 var(--spacing-unit);
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  height: 70px;
}

.navbar-logo a {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.navbar-logo a:hover {
  color: var(--secondary-color);
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  text-shadow: 0 3px 8px rgba(0, 0, 0, 0.5);
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 1rem;
  border-radius: 6px;
}

.nav-link:not(.active):hover {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link.active {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: var(--text-light);
  cursor: default;
}

.nav-link.active:hover {
  pointer-events: none;
  scale: 1.05;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.menu-icon {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.menu-icon span {
  width: 25px;
  height: 3px;
  background-color: var(--text-dark);
  margin: 5px 0;
  transition: var(--transition);
}

/* =====================
   HOME SECTION
   ===================== */
.home-section {
  padding-top: var(--web-padding-top-section);
  color: white;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.home-content {
  animation: fadeInUp 1s ease-out;
}

.portfolio-title {
  text-align: center;
  font-size: 3.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: var(--text-dark);
}
.init-title {
  text-align: start;
  font-size: 1.5rem;
  color: var(--text-dark);
}

.hero-title,
.hero-sous-title {
  text-align: start;
  color: var(--text-dark);
  font-size: 2rem;
  font-family: var(--text-title-police), sans-serif;
  font-style: normal;
  font-weight: bold;
}

.hero-title {
  padding-left: 60px;
}

.hero-sous-title {
  padding-left: 120px;
}

.hero-image{
  width: 170px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
}

.home-content-top {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5rem;
}

.hero-color {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.1rem;
  max-width: 1000px;
  margin: 0 auto 0.5rem;
  color: var(--text-dark);
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* =====================
   BUTTONS
   ===================== */
.btn {
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

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

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

/* =====================
   ABOUT SECTION
   ===================== */
.about-section {
  padding-top: var(--web-padding-top-section);
  background-color: white;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 0.5fr;
  gap: 3rem;
  align-items: center;
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-text h3 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  color: var(--text-dark);
}

.about-container-logo {
  display: grid;
  gap: 5rem;
}

.about-list-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* =====================
   ABOUT ICONS
   ===================== */
.about-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100px;
  width: 100%;
}

.about-icon img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* =====================
   SERVICES SECTION
   ===================== */
.services-section {
  padding-top: var(--web-padding-top-section);
  background-color: var(--light-bg);
}

.services-section p,
.projects-section p,
.contact-section p {
  text-align: center;
  margin-bottom: 1rem;
}

.services-grid {
  padding: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  background-color: white;
  padding: 0.5rem;
  border: 2px solid var(--border-color-card);
  border-radius: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  text-align: center;
  flex: 0 1 300px;
  min-width: 280px;
}

.service-card h3 {
  font-family: var(--text-title-police), sans-serif;
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100px;
  width: 100%;
}

.service-icon img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.service-card h3 {
  color: var(--text-dark);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.service-card p {
  color: var(--text-dark);
  margin-bottom: 1rem;
  line-height: 1.8;
}

/* =====================
   PROJECTS SECTION
   ===================== */
.projects-section {
  padding-top: var(--web-padding-top-section);
  background-color: white;
}

.project-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
}

.project-image img {
  max-width: 100%;
  max-height: 100%;
  padding: 1rem;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.project-link-icon {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 5;
}

.project-link-icon:hover {
  background-color: white;
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.project-link-icon img {
  width: 24px;
  height: 24px;
  max-width: 100%;
  max-height: 100%;
}

/* Project Details - Collapsible on Mobile */
.project-details {
  display: block;
}

.project-title {
  display: flex;
  flex-direction: row;
  justify-content: start;
  gap: 0.5rem;
}

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

.tech-tag {
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  font-size: 0.85rem;
  background-color: var(--light-bg);
  border-radius: 4px;
  font-weight: 500;
}

.project-date {
  margin-top: 0.5rem;
  color: var(--text-dark);
  font-size: 0.9rem;
}

.project-link {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  margin-top: 1rem;
  transition: var(--transition);
}

.project-link:hover {
  color: var(--secondary-color);
}

/* =====================
   PROJECTS CAROUSEL
   ===================== */
.projects-carousel {
  width: 100%;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 650px;
}

.carousel-cards {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  perspective: 1200px;
  width: 100%;
  height: 550px;
}

.project-item {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: all 0.8s ease-out;
  position: relative;
}

/* Three position states */
.carousel-center {
  width: 100%;
  min-width: 550px;
  opacity: 1;
  transform: translateX(0) scale(1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
  z-index: 10;
}

.carousel-left {
  width: 320px;
  transform: translateX(30px) scale(0.6);
}
.carousel-left:hover {
  transform: translateX(30px) scale(0.65);
}
.carousel-right {
  width: 320px;
  transform: translateX(-30px) scale(0.6);
}
.carousel-right:hover {
  transform: translateX(-30px) scale(0.65);
}

.slide-right-to-center {
  animation: slideToLeft 0.5s ease-out forwards;
}
.slide-left-to-center {
  animation: slideToRight 0.5s ease-out forwards;
}

.slide-center-to-right {
  animation: slideCenterToRight 0.5s ease-out forwards;
}
.slide-center-to-left {
  animation: slideCenterToLeft 0.5s ease-out forwards;
}

.carousel-left {
  width: 450px;
  opacity: 0.7;
  transform: translateX(30px) scale(0.7);
  cursor: pointer;
  z-index: 2;
}

.carousel-left:hover {
  opacity: 0.85;
  transform: translateX(30px) scale(0.75);
  z-index: 3;
}

.carousel-right {
  width: 450px;
  opacity: 0.7;
  transform: translateX(-30px) scale(0.7);
  cursor: pointer;
  z-index: 2;
}

.carousel-right:hover {
  opacity: 0.85;
  transform: translateX(-30px) scale(0.75);
  z-index: 3;
}

/* =====================
   PAGINATION DOTS
   ===================== */
.carousel-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 2rem;
  padding: 0 2rem;
  width: 100%;
  height: 50px;
  flex-shrink: 0;
}

.pagination-dot {
  width: 12px;
  height: 12px;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  background-color: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
  appearance: none;
}

.pagination-dot.active {
  background-color: var(--primary-color);
  box-shadow: 0 0 10px rgba(78, 120, 255, 0.5);
  transform: scale(1.1);
}

.pagination-dot:hover {
  transform: scale(1.15);
}

/* Content visibility based on position */
.carousel-left .project-header,
.carousel-right .project-header {
  padding: 0.5rem;
}

.carousel-left .project-info h3,
.carousel-right .project-info h3 {
  font-size: 1rem;
}

.carousel-left .project-image,
.carousel-right .project-image {
  height: 130px;
}

.carousel-left .project-info p,
.carousel-left .project-tech,
.carousel-left .project-date,
.carousel-left .project-link,
.carousel-right .project-info p,
.carousel-right .project-tech,
.carousel-right .project-date,
.carousel-right .project-link {
  display: none;
}

.carousel-center .project-header {
  padding: 1rem;
}

.carousel-center .project-info h3 {
  font-size: 1.3rem;
}

.carousel-center .project-info p,
.carousel-center .project-tech,
.carousel-center .project-date,
.carousel-center .project-link {
  display: flex;
}

/* =====================
   CONTACT SECTION
   ===================== */
.contact-section {
  padding-top: var(--web-padding-top-section);
  background-color: var(--light-bg);
}

.contact-form {
  margin-left: auto;
  margin-right: auto;
  max-width: 900px;
  min-width: 300px;
  background-color: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

#formMessage {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: 4px;
  text-align: center;
  font-weight: 600;
  display: none;
}

#formMessage.success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
  display: block;
}

#formMessage.error {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--error-color);
  display: block;
}

.footer-info {
  display: flex;
  background-color: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-dark);
}

.info-item a {
  color: var(--text-dark);
  text-decoration: none;
}

.info-item i {
  color: var(--primary-color);
  font-size: 1.3rem;
  min-width: 30px;
}

.footer-container {
  flex: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding-left: 5%;
  padding-right: 5%;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  width: auto;
}
.social-links {
  display: flex;
  flex-direction: row;
  gap: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--light-bg);
  color: var(--primary-color);
  border-radius: 50%;
  text-decoration: none;
  transition: var(--transition);
}

.social-links a:hover {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  transform: translateY(-3px);
}

/* =====================
   FOOTER
   ===================== */
footer.footer {
  min-height: 50px;
  contain: layout;
}

  .footer {
  background-color: var(--dark-bg);
  color: white;
  padding: 0.5rem var(--spacing-unit);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
  margin: 0.5rem 0;
  color: #cbd5e1;
}

/* =====================
   ANIMATIONS
   ===================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* =====================
   UTILITIES
   ===================== */
.loading {
  text-align: center;
  padding: 2rem;
  color: var(--text-black);
}

@keyframes slideToLeft {
  0% {
    transform: translateX(60%) rotateY(35deg) scale(0.4);
    opacity: 0.7;
  }
  10% {
    transform: translateX(54%) rotateY(31.5deg) scale(0.5);
    opacity: 0.75;
  }
  20% {
    transform: translateX(48%) rotateY(28deg) scale(0.55);
    opacity: 0.8;
  }
  30% {
    transform: translateX(42%) rotateY(24.5deg) scale(0.6);
    opacity: 0.85;
  }
  40% {
    transform: translateX(36%) rotateY(21deg) scale(0.65);
    opacity: 0.85;
  }
  50% {
    transform: translateX(30%) rotateY(17.5deg) scale(0.7);
    opacity: 0.85;
  }
  60% {
    transform: translateX(24%) rotateY(14deg) scale(0.75);
    opacity: 0.85;
  }
  70% {
    transform: translateX(18%) rotateY(10.5deg) scale(0.8);
    opacity: 0.9;
  }
  80% {
    transform: translateX(12%) rotateY(7deg) scale(0.85);
    opacity: 0.85;
  }
  90% {
    transform: translateX(6%) rotateY(3.5deg) scale(0.9);
    opacity: 0.95;
  }
  100% {
    transform: translateX(0%) rotateY(0deg) scale(0.95);
    opacity: 1;
  }
}

@keyframes slideToRight {
  0% {
    transform: translateX(-60%) rotateY(-35deg) scale(0.4);
    opacity: 0.7;
  }
  10% {
    transform: translateX(-54%) rotateY(-31.5deg) scale(0.5);
    opacity: 0.75;
  }
  20% {
    transform: translateX(-48%) rotateY(-28deg) scale(0.55);
    opacity: 0.8;
  }
  30% {
    transform: translateX(-42%) rotateY(-24.5deg) scale(0.6);
    opacity: 0.85;
  }
  40% {
    transform: translateX(-36%) rotateY(-21deg) scale(0.65);
    opacity: 0.85;
  }
  50% {
    transform: translateX(-30%) rotateY(-17.5deg) scale(0.7);
    opacity: 0.85;
  }
  60% {
    transform: translateX(-24%) rotateY(-14deg) scale(0.75);
    opacity: 0.85;
  }
  70% {
    transform: translateX(-18%) rotateY(-10.5deg) scale(0.8);
    opacity: 0.9;
  }
  80% {
    transform: translateX(-12%) rotateY(-7deg) scale(0.85);
    opacity: 0.9;
  }
  90% {
    transform: translateX(-6%) rotateY(-3.5deg) scale(0.9);
    opacity: 0.95;
  }
  100% {
    transform: translateX(0%) rotateY(0deg) scale(0.95);
    opacity: 1;
  }
}

/* =====================
   ACCESSIBILITÉ - FOCUS VISIBLE
   ===================== */

/* Skip link (caché par défaut) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
  border-radius: 0 0 4px 0;
  font-weight: 600;
}

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

/* Focus visible pour tous les éléments interactifs */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.nav-link:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* Améliorer la visibilité du focus pour le menu burger */
.menu-icon:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* Rendre visible le focus sur les items de navigation */
.nav-item .nav-link:focus-visible {
  background-color: rgba(78, 120, 255, 0.1);
  border-radius: 4px;
}

/* Remover le focus outline par défaut pour souris (mais pas clavier) */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
input:focus:not(:focus-visible) {
  outline: none;
}

@keyframes slideCenterToLeft {
  0% {
    transform: translateX(-150%) rotateY(1deg) scale(2);
    opacity: 1;
  }
  10% {
    transform: translateX(-140%) rotateY(3.5deg) scale(1.9);
    opacity: 0.95;
  }
  20% {
    transform: translateX(-130%) rotateY(7deg) scale(1.8);
    opacity: 0.9;
  }
  30% {
    transform: translateX(-120%) rotateY(10.5deg) scale(1.7);
    opacity: 0.85;
  }
  40% {
    transform: translateX(-110%) rotateY(14deg) scale(1.6);
    opacity: 0.85;
  }
  50% {
    transform: translateX(-100%) rotateY(17.5deg) scale(1.5);
    opacity: 0.85;
  }
  60% {
    transform: translateX(-90%) rotateY(21deg) scale(1.4);
    opacity: 0.85;
  }
  70% {
    transform: translateX(-80%) rotateY(24.5deg) scale(1.3);
    opacity: 0.8;
  }
  80% {
    transform: translateX(-70%) rotateY(28deg) scale(1.2);
    opacity: 0.75;
  }
  90% {
    transform: translateX(-60%) rotateY(31.5deg) scale(1.1);
    opacity: 0.75;
  }
  100% {
    transform: translateX(-50%) rotateY(35deg) scale(1);
    opacity: 0.7;
  }
}

@keyframes slideCenterToRight {
  0% {
    transform: translateX(150%) rotateY(-1deg) scale(2);
    opacity: 1;
  }
  10% {
    transform: translateX(140%) rotateY(-3.5deg) scale(1.9);
    opacity: 0.95;
  }
  20% {
    transform: translateX(130%) rotateY(-7deg) scale(1.8);
    opacity: 0.9;
  }
  30% {
    transform: translateX(120%) rotateY(-10.5deg) scale(1.7);
    opacity: 0.85;
  }
  40% {
    transform: translateX(110%) rotateY(-14deg) scale(1.6);
    opacity: 0.85;
  }
  50% {
    transform: translateX(100%) rotateY(-17.5deg) scale(1.5);
    opacity: 0.85;
  }
  60% {
    transform: translateX(90%) rotateY(-21deg) scale(1.4);
    opacity: 0.85;
  }
  70% {
    transform: translateX(80%) rotateY(-24.5deg) scale(1.3);
    opacity: 0.8;
  }
  80% {
    transform: translateX(70%) rotateY(-28deg) scale(1.2);
    opacity: 0.75;
  }
  90% {
    transform: translateX(60%) rotateY(-31.5deg) scale(1.1);
    opacity: 0.75;
  }
  100% {
    transform: translateX(50%) rotateY(-35deg) scale(1);
    opacity: 0.7;
  }
}

/* =====================
   FORM ENHANCEMENTS
   ===================== */

/* Styles pour les champs requis */
.required {
  color: var(--error-color);
  font-weight: bold;
  margin-left: 0.25rem;
}

/* Texte d'aide sous les champs */
.form-help {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: #666;;
  font-weight: normal;
}

/* Amélioration des messages de formulaire */
.form-message {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 6px;
  text-align: center;
  font-weight: 600;
  animation: slideInUp 0.3s ease-out;
  border-left: 4px solid;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-message.success {
  background-color: rgba(16, 185, 129, 0.15);
  color: #059669;
  border-left-color: var(--success-color);
  display: block;
}

.form-message.error {
  background-color: rgba(239, 68, 68, 0.15);
  color: #dc2626;
  border-left-color: var(--error-color);
  display: block;
}

.form-message.warning {
  background-color: rgba(245, 158, 11, 0.15);
  color: #d97706;
  border-left-color: #f59e0b;
  display: block;
}

/* Compteur de caractères */
#charCounter {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

/* Bouton de soumission avec feedback */
.btn {
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.loading-spinner {
  display: inline-block;
  margin-left: 0.5rem;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Validations des champs */
.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
  border-color: var(--error-color);
  background-color: rgba(239, 68, 68, 0.05);
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
  border-color: var(--success-color);
  background-color: rgba(16, 185, 129, 0.05);
}