@charset "UTF-8";

/* ========================================
   RESET & VARIABLES GLOBALES
   ======================================== */

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

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1e40af;
  --color-accent: #897E49;
  --color-accent-light: #a89860;
  --color-bg-dark: #0a0a0a;
  --color-bg-light: #1a1a1a;
  --color-text-main: #ffffff;
  --color-text-secondary: #e6e6e6;
  --color-text-muted: #999999;
  --transition: all 0.3s ease;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
}

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

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--color-bg-dark);
  color: var(--color-text-main);
  line-height: 1.6;
  background-image: url("images/courbes-de-niv-6.png");
  background-attachment: fixed;
  background-size: cover;
}

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

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

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #000000;
  box-shadow: var(--shadow-md);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 15px 40px;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 15px;
  min-width: fit-content;
}

.logo {
  height: 64px;
  width: auto;
  object-fit: contain;
  transition: var(--transition);
}

.logo:hover {
  opacity: 0.85;
}

.brand-name {
  font-size: 1.3em;
  font-weight: 700;
  color: var(--color-text-main);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* Menu Burger Button */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 25px;
  height: 2.5px;
  background-color: var(--color-text-main);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

/* Navbar */
.navbar {
  flex: 1;
}

.menu {
  display: flex;
  list-style: none;
  gap: 20px;
  justify-content: center;
  align-items: center;
}

.menu li {
  position: relative;
}

.menu a {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.95em;
  color: var(--color-text-main);
  position: relative;
  padding: 8px 0;
  transition: var(--transition);
}

.menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition);
}

.menu a:hover::after,
.menu a.active::after {
  width: 100%;
}

.menu a.active {
  color: var(--color-accent);
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #000000;
  list-style: none;
  padding: 0;
  margin: 12px 0 0 0;
  min-width: 250px;
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.submenu li {
  padding: 0;
  border: none;
}

.submenu a {
  display: block;
  padding: 12px 20px;
  color: var(--color-text-secondary);
  font-size: 0.85em;
  text-transform: none;
  letter-spacing: 0;
}

.submenu a:hover {
  background-color: rgba(137, 126, 73, 0.2);
  color: var(--color-accent);
}

.dropdown:hover .submenu {
  display: block;
}

/* Mobile Menu */
@media (max-width: 900px) {
  .menu-toggle {
    display: flex;
  }

  .navbar {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #000000;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .navbar.active {
    max-height: 800px;
  }

  .menu {
    flex-direction: column;
    gap: 0;
    padding: 20px 0;
  }

  .menu li {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid #222;
  }

  .menu a {
    display: block;
    padding: 15px 20px;
  }

  .menu a::after {
    display: none;
  }

  .menu a.active {
    background-color: rgba(137, 126, 73, 0.1);
  }

  .submenu {
    position: static;
    display: none;
    background-color: #111111;
    box-shadow: none;
    border-radius: 0;
    max-height: 0;
    overflow: hidden;
  }

  .dropdown.open .submenu {
    display: block;
  }

  .header-content {
    padding: 12px 20px;
  }

  .brand-name {
    font-size: 1.1em;
  }
}

/* ========================================
   BANNER
   ======================================== */

.banner {
  position: relative;
  height: 50vh;
  min-height: 400px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0;
}

.banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(137, 126, 73, 0.2) 100%),
              url("images/DJI_0815.jpg") center/cover no-repeat;
}

.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-text-main);
  padding: 0 20px;
  animation: fadeInUp 0.8s ease;
}

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

.banner-title {
  font-size: 3.5em;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 4px;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.banner-subtitle {
  font-size: 1.5em;
  font-weight: 500;
  margin-bottom: 15px;
  letter-spacing: 2px;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

.banner-description {
  font-size: 1.1em;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

@media (max-width: 768px) {
  .banner {
    height: 40vh;
    min-height: 300px;
  }

  .banner-title {
    font-size: 2.2em;
    letter-spacing: 2px;
  }

  .banner-subtitle {
    font-size: 1.1em;
  }

  .banner-description {
    font-size: 1em;
  }
}

@media (max-width: 480px) {
  .banner {
    height: 35vh;
    min-height: 250px;
  }

  .banner-title {
    font-size: 1.8em;
    margin-bottom: 10px;
  }

  .banner-subtitle {
    font-size: 0.95em;
    margin-bottom: 10px;
  }

  .banner-description {
    font-size: 0.9em;
  }
}

/* ========================================
   MAIN CONTAINER
   ======================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

@media (max-width: 1024px) {
  .container {
    padding: 0 30px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
}

/* ========================================
   INTRO SECTION
   ======================================== */

.intro-section {
  text-align: center;
  padding: 80px 0 40px 0;
}

.section-title {
  font-size: 2.5em;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.section-description {
  font-size: 1.1em;
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

@media (max-width: 768px) {
  .intro-section {
    padding: 50px 0 30px 0;
  }

  .section-title {
    font-size: 1.8em;
    letter-spacing: 1px;
  }

  .section-description {
    font-size: 1em;
  }
}

/* ========================================
   SORA CARDS SECTION
   ======================================== */

.sora-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 50px;
  padding: 80px 0;
}

@media (max-width: 1024px) {
  .sora-section {
    gap: 40px;
    padding: 60px 0;
  }
}

/* ========================================
   SORA CARD
   ======================================== */

.sora-card {
  background-color: rgba(26, 26, 26, 0.95);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border-left: 4px solid var(--color-accent);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.sora-card:hover {
  box-shadow: var(--shadow-lg);
  background-color: rgba(26, 26, 26, 1);
}

.sora-card-highlight {
  border-left-color: var(--color-primary);
}

.sora-card-highlight:hover {
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.25);
}

@media (max-width: 1024px) {
  .sora-card {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* Card Header */
.card-header {
  grid-column: 1 / -1;
  padding: 24px;
  border-bottom: 1px solid rgba(137, 126, 73, 0.2);
  display: flex;
  align-items: center;
  gap: 20px;
}

.card-icon {
  font-size: 2.5em;
  color: var(--color-accent);
  flex-shrink: 0;
}

.sora-card-highlight .card-icon {
  color: var(--color-primary);
}

.card-title {
  font-size: 1.6em;
  font-weight: 700;
  color: var(--color-text-main);
  margin: 0;
  line-height: 1.3;
}

/* Card Body */
.card-body {
  padding: 32px;
}

.card-intro {
  font-size: 1.05em;
  color: var(--color-text-secondary);
  margin-bottom: 25px;
  line-height: 1.7;
}

.card-intro strong {
  color: var(--color-accent);
}

.sora-card-highlight .card-intro strong {
  color: var(--color-primary);
}

/* Card Features */
.card-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 25px;
}

.feature-item {
  display: flex;
  gap: 15px;
  padding: 16px;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  border-left: 3px solid var(--color-accent);
}

.feature-item i {
  font-size: 1.5em;
  color: var(--color-accent);
  flex-shrink: 0;
}

.feature-item h4 {
  margin: 0 0 6px 0;
  font-size: 0.95em;
  color: var(--color-text-main);
}

.feature-item p {
  margin: 0;
  font-size: 0.9em;
  color: var(--color-text-secondary);
}

/* Card Note */
.card-note {
  font-size: 0.95em;
  color: var(--color-text-muted);
  line-height: 1.6;
  font-style: italic;
  padding: 16px;
  background-color: rgba(137, 126, 73, 0.1);
  border-radius: 8px;
  margin: 0;
}

/* Card Media */
.card-media {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: rgba(0, 0, 0, 0.3);
}

.card-video,
.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: var(--transition);
}

.sora-card:hover .card-video,
.sora-card:hover .card-image {
  transform: scale(1.02);
}

@media (max-width: 1024px) {
  .card-header {
    padding: 20px;
  }

  .card-body {
    padding: 24px;
  }

  .card-title {
    font-size: 1.3em;
  }

  .card-media {
    min-height: 300px;
  }
}

@media (max-width: 768px) {
  .card-media {
    min-height: 250px;
  }

  .card-features {
    gap: 15px;
  }

  .feature-item {
    padding: 12px;
    gap: 10px;
  }
}

/* Authorization Details */
.authorization-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 25px;
}

@media (max-width: 768px) {
  .authorization-details {
    grid-template-columns: 1fr;
  }
}

.detail-box {
  background-color: rgba(0, 0, 0, 0.3);
  padding: 16px;
  border-radius: 8px;
  border-left: 3px solid var(--color-accent);
}

.detail-box h4 {
  margin: 0 0 8px 0;
  font-size: 0.95em;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.detail-box h4 i {
  color: var(--color-accent);
}

.detail-box p {
  margin: 0;
  font-size: 1.05em;
  color: var(--color-accent);
  font-weight: 600;
}

/* Capabilities List */
.capabilities-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.capability-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  border-left: 3px solid var(--color-accent);
}

.capability-icon {
  font-size: 1.8em;
  color: var(--color-accent);
  flex-shrink: 0;
}

.capability-text h4 {
  margin: 0 0 6px 0;
  font-size: 0.95em;
  color: var(--color-text-main);
}

.capability-text p {
  margin: 0;
  font-size: 0.9em;
  color: var(--color-text-secondary);
}

/* ========================================
   PROCESS SECTION
   ======================================== */

.process-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(26, 26, 26, 0.9) 100%);
  border-radius: 16px;
  margin: 80px 0;
  padding: 80px 40px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 50px;
}

@media (max-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 600px) {
  .process-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .process-section {
    padding: 50px 30px;
    margin: 60px 0;
  }
}

.process-step {
  text-align: center;
  padding: 30px;
  background-color: rgba(26, 26, 26, 0.8);
  border-radius: 8px;
  border-top: 3px solid var(--color-accent);
  transition: var(--transition);
}

.process-step:hover {
  background-color: rgba(26, 26, 26, 1);
  transform: translateY(-4px);
}

.step-number {
  font-size: 2.5em;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.process-step h4 {
  font-size: 1.1em;
  color: var(--color-text-main);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.95em;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ========================================
   REQUIREMENTS SECTION
   ======================================== */

.requirements-section {
  padding: 80px 0;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 50px;
}

@media (max-width: 1024px) {
  .requirements-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 600px) {
  .requirements-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.requirement-card {
  background-color: rgba(26, 26, 26, 0.95);
  padding: 28px;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border-top: 3px solid var(--color-accent);
}

.requirement-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
  background-color: rgba(26, 26, 26, 1);
}

.req-icon {
  font-size: 2.5em;
  color: var(--color-accent);
  margin-bottom: 16px;
  transition: var(--transition);
}

.requirement-card:hover .req-icon {
  color: var(--color-primary);
  transform: scale(1.1);
}

.requirement-card h4 {
  font-size: 1.1em;
  color: var(--color-text-main);
  margin-bottom: 12px;
}

.requirement-card p {
  font-size: 0.95em;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
  text-align: center;
  padding: 80px 40px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(137, 126, 73, 0.1) 100%);
  border-radius: 16px;
  margin: 80px 0;
}

.cta-section h2 {
  font-size: 2.2em;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.cta-section p {
  font-size: 1.1em;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
  font-size: 0.95em;
  display: inline-block;
}

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

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

.btn-secondary {
  background-color: var(--color-accent);
  color: var(--color-bg-dark);
}

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

@media (max-width: 768px) {
  .cta-section {
    padding: 50px 20px;
  }

  .cta-section h2 {
    font-size: 1.6em;
  }

  .cta-section p {
    font-size: 1em;
  }

  .cta-buttons {
    flex-direction: column;
    gap: 12px;
  }

  .btn {
    width: 100%;
  }
}

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

footer {
  background-color: #000000;
  color: var(--color-text-main);
  padding: 60px 40px 20px;
  margin-top: 100px;
  border-top: 1px solid rgba(137, 126, 73, 0.3);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto 40px auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
}

@media (max-width: 600px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.footer-section {
  display: flex;
  flex-direction: column;
}

.footer-logo {
  height: 60px;
  width: auto;
  margin-bottom: 12px;
  object-fit: contain;
}

.footer-section h3 {
  font-size: 1.2em;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-main);
}

.footer-section h4 {
  font-size: 1em;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-brand {
  font-size: 0.9em;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section li {
  margin-bottom: 8px;
}

.footer-section a {
  font-size: 0.95em;
  color: var(--color-text-secondary);
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--color-accent);
}

.footer-section p {
  font-size: 0.95em;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.footer-section i {
  color: var(--color-accent);
  margin-right: 6px;
  width: 16px;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(137, 126, 73, 0.2);
  border-radius: 50%;
  font-size: 1.2em;
  color: var(--color-accent);
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--color-accent);
  color: var(--color-bg-dark);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid rgba(137, 126, 73, 0.2);
  text-align: center;
  font-size: 0.9em;
  color: var(--color-text-muted);
}

/* ========================================
   RESPONSIVE FINE TUNING
   ======================================== */

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .header-content {
    padding: 10px 15px;
  }

  .brand-name {
    font-size: 0.95em;
    display: none;
  }

  footer {
    padding: 40px 20px 15px;
  }
}

.dji-badge {
  max-width: 1200px;
  margin: 26px auto 10px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
}

.dji-badge img {
  width: 96px;
  height: 96px;
  object-fit: contain;
}

.dji-badge p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.95em;
  font-weight: 600;
}

@media (max-width: 600px) {
  .dji-badge {
    flex-direction: column;
    gap: 8px;
  }
}