/* ========================================
   ALTÉRA GESTION - Style Principal
   Design moderne et sobre
   ======================================== */

/* ----- Variables CSS ----- */
:root {
  /* Couleurs principales */
  --color-primary: #3498db;
  --color-primary-dark: #2980b9;
  --color-accent: #e6b800;
  --color-accent-light: #f5d442;

  /* Neutres */
  --color-white: #ffffff;
  --color-bg: #f8f9fa;
  --color-bg-alt: #f1f3f5;
  --color-text: #2d3436;
  --color-text-light: #636e72;
  --color-border: #dee2e6;

  /* Typographie */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Poppins', var(--font-main);

  /* Espacements */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;

  /* Autres */
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s ease;

  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;
}

/* ----- Reset & Base ----- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

/* ----- Utilitaires ----- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-xxl) 0;
}

.section--alt {
  background-color: var(--color-bg);
}

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

.text-primary {
  color: var(--color-primary);
}

.text-accent {
  color: var(--color-accent);
}

/* Surlignage jaune pour les infos à modifier */
.placeholder {
  background-color: #fff59d;
  padding: 0.1em 0.3em;
  border-radius: 3px;
}

/* ----- Typographie ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-sm);
}

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

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  margin: var(--spacing-sm) auto 0;
  border-radius: 2px;
}

.section-subtitle {
  color: var(--color-text-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  text-align: center;
}

/* ----- Boutons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

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

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

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

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

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

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

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

.btn--white:hover {
  background-color: var(--color-bg);
  transform: translateY(-2px);
}

/* ----- Header & Navigation ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow-lg);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  /*padding: 0.25rem var(--container-padding);*/
  max-width: var(--container-max);
  margin: 0 auto;
}

.header__logo img {
  height: 100px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

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

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

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

.nav__link--active {
  color: var(--color-primary);
}

/* Menu burger mobile */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav__toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-text);
  transition: var(--transition);
}

/* ----- Hero Section ----- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-white) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 70%;
  height: 150%;
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.05) 0%, rgba(230, 184, 0, 0.05) 100%);
  border-radius: 50%;
  z-index: 0;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 600px;
}

.hero__badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: rgba(52, 152, 219, 0.1);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 50px;
  margin-bottom: var(--spacing-md);
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-md);
}

.hero__title span {
  color: var(--color-primary);
}

.hero__description {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.hero__buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.hero__image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__image img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ----- Features / Avantages ----- */
.features {
  padding: var(--spacing-xxl) 0;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-card__icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(230, 184, 0, 0.1) 100%);
  border-radius: 50%;
}

.feature-card__icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-primary);
  stroke-width: 1.5;
  fill: none;
}

.contact__info-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary);
  stroke-width: 1.5;
  fill: none;
}

.feature-card__title {
  margin-bottom: var(--spacing-xs);
}

.feature-card__text {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ----- Services / Offres ----- */
.services__tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.services__tab {
  padding: 0.75rem 1.5rem;
  background-color: var(--color-bg);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
}

.services__tab:hover,
.services__tab--active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.service-card--featured {
  border: 2px solid var(--color-primary);
  position: relative;
}

.service-card--featured::before {
  content: 'Populaire';
  position: absolute;
  top: 1rem;
  right: -2rem;
  background-color: var(--color-accent);
  color: var(--color-text);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 2.5rem;
  transform: rotate(45deg);
}

.service-card__header {
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
}

.service-card__title {
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

.service-card__price {
  font-size: 1.5rem;
  font-weight: 700;
}

.service-card__price span {
  font-size: 0.875rem;
  font-weight: 400;
  opacity: 0.9;
}

.service-card__body {
  padding: var(--spacing-lg);
  flex-grow: 1;
}

.service-card__list {
  margin-bottom: var(--spacing-md);
}

.service-card__list li {
  padding: var(--spacing-xs) 0;
  padding-left: 1.75rem;
  position: relative;
  color: var(--color-text-light);
}

.service-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 600;
}

.service-card__footer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.service-card__footer .btn {
  width: 100%;
}

/* ----- Process / Comment ça marche ----- */
.process__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  position: relative;
}

.process__grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step__number {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-white);
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.process-step__title {
  margin-bottom: var(--spacing-xs);
}

.process-step__text {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ----- Réalisations / Galerie ----- */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-md);
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__title {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 0;
}

/* ----- Avis / Témoignages ----- */
.testimonials {
  background-color: var(--color-bg);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial-card {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.testimonial-card__stars {
  color: var(--color-accent);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.testimonial-card__text {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.testimonial-card__avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-primary);
}

.testimonial-card__name {
  font-weight: 600;
  margin-bottom: 0;
}

.testimonial-card__role {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ----- CTA Section ----- */
.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-xxl) 0;
}

.cta__title {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.cta__text {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta__buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ----- Contact ----- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xl);
}

.contact__info {
  background-color: var(--color-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
}

.contact__info-item {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.contact__info-icon {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-white);
  border-radius: var(--radius);
  color: var(--color-primary);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact__info-text h4 {
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.contact__info-text p {
  color: var(--color-text-light);
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Formulaire */
.form {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

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

.form__label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--color-white);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

/* ----- Footer ----- */
.footer {
  background-color: var(--color-text);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer__brand img {
  height: 60px;
  margin-bottom: var(--spacing-md);
  filter: brightness(0) invert(1);
}

.footer__brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.footer__title {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
}

.footer__links li {
  margin-bottom: var(--spacing-xs);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer__links a:hover {
  color: var(--color-white);
}

.footer__bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer__bottom p {
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
  font-size: 0.875rem;
}

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

.footer__legal a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

.footer__legal a:hover {
  color: var(--color-white);
}

/* ----- Pages légales ----- */
.legal {
  padding-top: 140px;
  padding-bottom: var(--spacing-xxl);
}

.legal__content {
  max-width: 800px;
  margin: 0 auto;
}

.legal__content h1 {
  margin-bottom: var(--spacing-lg);
}

.legal__content h2 {
  font-size: 1.25rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.legal__content p,
.legal__content li {
  color: var(--color-text-light);
}

.legal__content ul {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.legal__content ul li {
  margin-bottom: var(--spacing-xs);
  padding-left: var(--spacing-sm);
  position: relative;
}

.legal__content ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ----- Responsive ----- */
@media (max-width: 992px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__buttons {
    justify-content: center;
  }

  .hero__image {
    display: none;
  }

  .contact__grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xxl: 3rem;
  }

  .nav__list {
    position: fixed;
    top: 100px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    opacity: 0;
    transition: var(--transition);
  }

  .nav__list--open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__toggle--open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__toggle--open span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle--open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .nav .btn {
    display: none;
  }

  .process__grid::before {
    display: none;
  }

  .form__row {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__brand img {
    margin: 0 auto var(--spacing-md);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__buttons {
    flex-direction: column;
  }

  .hero__buttons .btn {
    width: 100%;
  }

  .services__tabs {
    flex-direction: column;
  }

  .cta__buttons {
    flex-direction: column;
    align-items: center;
  }
}

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

.animate-on-scroll {
  opacity: 0;
}

.animate-on-scroll.animated {
  animation: fadeInUp 0.5s ease forwards;
}

/* Délais d'animation pour les éléments en grille */
.animate-on-scroll:nth-child(1) { animation-delay: 0s; }
.animate-on-scroll:nth-child(2) { animation-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { animation-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { animation-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { animation-delay: 0.4s; }
.animate-on-scroll:nth-child(6) { animation-delay: 0.5s; }
.animate-on-scroll:nth-child(7) { animation-delay: 0.6s; }
.animate-on-scroll:nth-child(8) { animation-delay: 0.7s; }