/**
 * Olyveil - CSS Principal
 * Styles de base et composants
 */

/* ========================================
   RESET & BASE
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-gray-900);
}

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

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Skip link (accessibilité) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--spacing-3) var(--spacing-6);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  z-index: 100;
}

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

/* ========================================
   LAYOUT
   ======================================== */

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

.section {
  padding: var(--spacing-20) 0;
}

.section-alt {
  background-color: var(--color-gray-50);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.section-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   HEADER / NAVIGATION
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-fixed);
  transition: box-shadow var(--transition-base);
}

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

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.navbar-logo .logo {
  height: 40px;
  width: auto;
}

.navbar-menu {
  display: flex;
  gap: var(--spacing-6);
  list-style: none;
}

.nav-link {
  color: var(--color-gray-700);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-2) var(--spacing-3);
  transition: color var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.btn-lang {
  padding: var(--spacing-2) var(--spacing-3);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-base);
}

.btn-lang:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-2);
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-700);
  transition: all var(--transition-base);
}

/* ========================================
   BOUTONS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--btn-padding-md);
  border-radius: var(--btn-border-radius);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

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

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

.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-lg {
  padding: var(--btn-padding-lg);
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: var(--btn-padding-sm);
  font-size: var(--font-size-sm);
}

/* ========================================
   PLACEHOLDERS IMAGES
   ======================================== */

.placeholder-image {
  width: 100%;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gray-50);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
}

.placeholder-image svg {
  width: 100%;
  height: auto;
  max-width: 100%;
}

/* ========================================
   SECTION HERO
   ======================================== */

.hero {
  margin-top: var(--header-height);
  padding: var(--spacing-32) 0;
  background: var(--gradient-subtle);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.hero-title {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-6);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-8);
  line-height: var(--line-height-relaxed);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

/* ========================================
   SECTION FONCTIONNALITÉS
   ======================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
}

.feature-card {
  background-color: var(--color-white);
  padding: var(--spacing-8);
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  text-align: center;
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-4);
  color: var(--color-primary);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
  stroke-width: 1.5;
}

.feature-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-3);
  color: var(--color-gray-900);
}

.feature-description {
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

/* ========================================
   SECTION COMMENT ÇA MARCHE
   ======================================== */

.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex: 0 0 220px;
  width: 220px;
  height: 220px;
  padding: var(--spacing-6);
  background: var(--color-white);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-base);
  position: relative;
}

.step:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.step-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-full);
  background: var(--gradient-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-3);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.step:hover .step-icon {
  background: var(--gradient-primary);
  color: var(--color-white);
  transform: scale(1.1);
}

.step-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2);
  color: var(--color-gray-900);
  font-weight: var(--font-weight-semibold);
}

.step-description {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

.step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  padding: 0 var(--spacing-2);
  opacity: 0.6;
  transition: all var(--transition-base);
}

.step-arrow svg {
  transition: all 0.4s ease;
}

/* Animation de la flèche au survol de la carte précédente */
.step:hover + .step-arrow {
  opacity: 1;
  animation: pulse-arrow 1.5s ease-in-out infinite;
}

.step:hover + .step-arrow svg {
  transform: translateX(4px);
}

@keyframes pulse-arrow {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

/* Responsive */
@media (max-width: 968px) {
  .steps {
    flex-direction: column;
    gap: var(--spacing-6);
  }

  .step-arrow {
    transform: rotate(90deg);
    padding: var(--spacing-2) 0;
  }

  .step {
    width: 200px;
    height: 200px;
    flex: 0 0 200px;
  }
}

@media (max-width: 480px) {
  .step {
    width: 180px;
    height: 180px;
    flex: 0 0 180px;
  }

  .step-icon {
    width: 50px;
    height: 50px;
  }

  .step-title {
    font-size: var(--font-size-base);
  }

  .step-description {
    font-size: var(--font-size-xs);
  }
}

/* ========================================
   SECTION CAS D'USAGE
   ======================================== */

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-6);
}

.use-case-card {
  background-color: var(--color-white);
  padding: var(--spacing-6);
  border-radius: var(--card-border-radius);
  border: 2px solid var(--color-gray-200);
  transition: all var(--transition-base);
  text-align: center;
}

.use-case-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.use-case-icon {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-4);
}

.use-case-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2);
}

.use-case-description {
  color: var(--color-gray-600);
}

/* ========================================
   SECTION CITATION
   ======================================== */

.quote-section {
  background: var(--gradient-primary);
  color: var(--color-white);
}

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

.quote-text {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-medium);
  font-style: italic;
  line-height: var(--line-height-relaxed);
}

/* ========================================
   SECTION MISSION
   ======================================== */

.mission-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.mission-description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-6);
  line-height: var(--line-height-relaxed);
}

.mission-visual img,
.mission-visual svg {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-xl);
}

.values-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-4);
}

.values-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4);
}

.value-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--font-size-lg);
}

.value-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
  padding: var(--spacing-3);
}

.value-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-white);
  fill: none;
}

/* ========================================
   SECTION PARTENAIRES
   ======================================== */

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-8);
}

.partner-card {
  background-color: var(--color-white);
  padding: var(--spacing-8);
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.partner-logo {
  height: 80px;
  margin-bottom: var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-logo img,
.partner-logo svg {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.partner-name {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2);
}

.partner-description {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

/* ========================================
   SECTION PRESSE
   ======================================== */

.press-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-8);
  max-width: 100%;
  margin: 0 auto;
}

.press-card {
  background-color: var(--color-white);
  padding: 0;
  border-radius: var(--card-border-radius);
  border: none;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  overflow: hidden;
}

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

.press-content {
  padding: var(--spacing-6);
}

.press-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-3);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.press-description {
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-4);
}

.press-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  text-decoration: none;
  transition: all var(--transition-base);
  margin-top: var(--spacing-3);
}

.press-link:hover {
  color: var(--color-primary-dark);
  transform: translateX(4px);
}

/* ========================================
   SECTION FAQ
   ======================================== */

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

.faq-item {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-4);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-5);
  text-align: left;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  transition: all var(--transition-base);
}

.faq-question:hover {
  background-color: var(--color-gray-50);
}

.faq-icon {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer p {
  padding: 0 var(--spacing-5) var(--spacing-5);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

/* ========================================
   SECTION CONTACT
   ======================================== */

.contact-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
  max-width: 720px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  margin-bottom: var(--spacing-2);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
}

.form-input,
.form-textarea {
  padding: var(--input-padding);
  border: 2px solid var(--input-border-color);
  border-radius: var(--input-border-radius);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--input-focus-color);
}

.form-textarea {
  resize: vertical;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--spacing-12) 0 var(--spacing-6);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-8);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--spacing-3);
  filter: brightness(0) invert(1);
}

.footer-logo-brand {
  width: 220px;
  height: auto;
  margin-bottom: 0;
  filter: none;
}

.footer-tagline {
  color: var(--color-gray-400);
}

.footer-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-4);
  color: var(--color-white);
}

.footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.footer-list a {
  color: var(--color-gray-400);
}

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

.social-link {
  color: var(--color-gray-400);
  font-size: var(--font-size-lg);
}

.social-link:hover {
  color: var(--color-white);
}

.footer-bottom {
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-gray-700);
  text-align: center;
}

.footer-copyright {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
}

/* ========================================
   IMAGES RÉELLES
   ======================================== */

/* Images principales (Hero & Mission) */
.hero-image {
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 50%;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  display: block;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.mission-image {
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  display: block;
}

/* Logos partenaires */
.partner-logo-img {
  width: 100%;
  height: auto;
  max-width: 200px;
  object-fit: contain;
  filter: grayscale(20%);
  transition: all var(--transition-base);
}

.partner-logo-img:hover {
  filter: grayscale(0%);
  transform: scale(1.05);
}

/* Images d'articles de presse */
.press-image-link {
  display: block;
  text-decoration: none;
}

.press-image {
  width: 100%;
  height: 280px;
  overflow: hidden;
  border-radius: 0;
  margin-bottom: 0;
  background-color: var(--color-gray-100);
  cursor: pointer;
}

.press-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.press-image-link:hover .press-image img,
.press-card:hover .press-image img {
  transform: scale(1.08);
}

/* Responsive */
@media (max-width: 1200px) {
  .press-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 100%;
  }
}

@media (max-width: 968px) {
  .press-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
  }
}

@media (max-width: 768px) {
  .hero-image {
    border-radius: 50%;
  }

  .mission-image {
    border-radius: 8px;
  }

  .partner-logo-img {
    max-width: 150px;
  }

  .press-image {
    height: 220px;
  }

  .press-grid {
    max-width: 100%;
  }
}

/* ========================================
   CORRECTIFS REGRESSIONS
   ======================================== */

body.menu-open {
  overflow: hidden;
}

main:focus {
  outline: none;
}

:focus-visible {
  outline: 3px solid rgba(105, 161, 201, 0.45);
  outline-offset: 3px;
}

.btn-lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
}

.press-card:focus-within,
.partner-card:focus-within {
  box-shadow: var(--shadow-lg);
}

.form-select,
.form-input,
.form-textarea {
  width: 100%;
  background-color: var(--color-white);
}

.form-select {
  padding: var(--input-padding);
  border: 2px solid var(--input-border-color);
  border-radius: var(--input-border-radius);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--color-gray-800);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-primary-dark) 50%),
    linear-gradient(135deg, var(--color-primary-dark) 50%, transparent 50%);
  background-position:
    calc(100% - 22px) calc(50% - 3px),
    calc(100% - 16px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.form-select:focus,
.form-input:focus,
.form-textarea:focus {
  box-shadow: 0 0 0 4px rgba(105, 161, 201, 0.18);
}

.form-group .error {
  border-color: var(--color-error);
}

.field-error {
  margin-top: var(--spacing-2);
  color: var(--color-error);
  font-size: var(--font-size-sm);
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.form-status {
  min-height: 1.5rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.form-status.is-success {
  color: var(--color-success);
}

.form-status.is-error {
  color: var(--color-error);
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}

.revealed {
  opacity: 1;
  transform: translateY(0);
}

.legal-page {
  padding-top: calc(var(--header-height) + var(--spacing-8));
  padding-bottom: var(--spacing-16);
}

.legal-page .container {
  max-width: 880px;
}

.legal-card {
  background-color: var(--color-white);
  border: 1px solid rgba(20, 40, 50, 0.08);
  border-radius: var(--border-radius-2xl);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-8);
}

.legal-card h1,
.legal-card h2 {
  margin-bottom: var(--spacing-4);
}

.legal-card p,
.legal-card li {
  color: var(--color-gray-700);
  line-height: var(--line-height-relaxed);
}

.legal-card ul {
  padding-left: 1.25rem;
  margin: 0 0 var(--spacing-5);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .revealed {
    opacity: 1;
    transform: none;
  }
}