:root {
  --blue: #00AEEF;
  --orange: #FF6600;
  --fg: #CCCCCC;
  --fg2: #8A8A8A;
  --bg: #0A0A0A;
  --card: #101214;
  --border: #1E1E1E;
}

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

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--bg);
  color: var(--fg);
  line-height: 1.7;
  scroll-behavior: smooth;
}

.hero {
  text-align: center;
  width: min(980px, 92vw);
  margin: 0 auto;
  padding: 120px 20px 140px;
  background: radial-gradient(circle at top, rgba(0, 174, 239, 0.12), transparent 55%),
              radial-gradient(circle at bottom, rgba(255, 102, 0, 0.08), transparent 60%),
              linear-gradient(180deg, #050505, #020202 75%);
}

.logo {
  width: min(600px, 80vw);
  max-width: 600px;
  margin-bottom: 40px;
  filter: drop-shadow(0 0 16px var(--blue));
}

h1,
h2,
h3 {
  color: var(--blue);
  font-weight: 600;
  margin-bottom: 20px;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.3;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2.6vw, 1.4rem);
  max-width: 820px;
  margin: 0 auto 28px;
}

.cta-button {
  display: inline-block;
  margin-top: 24px;
  padding: 12px 22px;
  border-radius: 28px;
  border: none;
  background: var(--orange);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.15s ease, box-shadow 0.25s ease;
  box-shadow: 0 0 18px rgba(255, 102, 0, 0.25);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 18px var(--orange);
}

.cta-button:active {
  transform: translateY(1px);
}

.section {
  padding: clamp(36px, 6vw, 68px) 20px;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.dark-section {
  background: linear-gradient(180deg, #0A0A0A 0%, #0C0C0C 100%);
}

.container {
  width: min(980px, 92vw);
  margin: 0 auto;
}

.container p {
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  margin-bottom: 18px;
  color: var(--fg);
}

.features {
  margin-top: 50px;
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.feature {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 20px;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  min-height: 100%;
}

.feature.span-2 {
  grid-column: span 2;
}

.feature-icon {
  font-size: 24px;
  line-height: 1;
  color: var(--blue);
  filter: drop-shadow(0 0 8px rgba(0, 174, 239, 0.5));
}

.feature-content {
  flex: 1;
}

.feature h3 {
  margin: 0.25rem 0 0.5rem;
  font-size: 1.2rem;
  color: var(--blue);
}

.feature p {
  color: var(--fg);
  opacity: 0.9;
  word-break: break-word;
  hyphens: auto;
}

.contact-box {
  margin-top: 50px;
  padding: 32px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(16, 18, 20, 0.75);
  box-shadow: 0 18px 40px rgba(0, 174, 239, 0.08);
}

.contact-box h3 {
  margin-bottom: 12px;
}

.contact-box p {
  margin-bottom: 6px;
  color: var(--fg);
}

.email-link {
  color: var(--orange);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.25s ease, text-shadow 0.25s ease;
}

.dendrontech-floating {
  position: fixed;
  top: 32px;
  right: 32px;
  width: 300px;
  height: 200px;
  z-index: 1000;
}

.email-link:hover,
.email-link:focus {
  color: #ffffff;
  text-shadow: 0 0 12px var(--orange);
}

/* Section créateur */
.creator-section {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  justify-content: flex-start;
  gap: 28px;
  padding: 48px 20px;
  background: linear-gradient(180deg, #0A0A0A 0%, #0C0C0C 100%);
  color: var(--fg);
  border-radius: 20px;
}

.creator-section img {
  width: 100%;
  max-width: 280px;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: none;
  flex-shrink: 0;
}

.creator-text {
  max-width: 640px;
  line-height: 1.7;
  flex: 1 1 auto;
}

.creator-text h3 {
  color: var(--blue);
  margin-bottom: 10px;
}

.creator-text h2 {
  color: var(--blue);
  margin-bottom: 20px;
}


.dendrontech-box {
  display: flex;
  align-items: center;
  gap: 0;
  width: 100%;
  height: 100%;
  text-align: left;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background-color: #111111;
  box-shadow: none;
}

.dendrontech-logo-wrap,
.dendrontech-text {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.dendrontech-logo-wrap {
  padding-right: 4px;
  width: 120px;
  flex: 0 0 120px;
  overflow: hidden;
}

.dendrontech-text {
  padding-left: 4px;
}

.dendrontech-box img.dendrontech-logo {
  width: 140px;
  margin: 0;
  filter: none;
  transform: translateX(-20px);
}

.dendrontech-box p {
  font-size: 0.72rem;
  line-height: 1.4;
  color: var(--fg2);
  margin: 0;
}

.dendrontech-box a {
  color: var(--blue);
  text-decoration: none;
}

.dendrontech-box a:hover {
  color: var(--orange);
}

/* Encart flottant Partenaires */
.floating-partners {
  position: fixed;
  top: 20px;
  left: 20px;
  background: rgba(10, 10, 10, 0.9);
  color: var(--fg);
  border: 1px solid var(--blue);
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 0.95rem;
  text-align: center;
  cursor: pointer;
  z-index: 9999;
  box-shadow: 0 0 15px rgba(0, 174, 239, 0.4);
  transition: transform 0.2s ease, box-shadow 0.3s ease;
  animation: pulseGlow 2.8s infinite;
}

.floating-partners:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px rgba(255, 102, 0, 0.6);
  color: var(--orange);
}

@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 8px rgba(0, 174, 239, 0.3);
  }
  50% {
    box-shadow: 0 0 22px rgba(0, 174, 239, 0.6);
  }
  100% {
    box-shadow: 0 0 8px rgba(0, 174, 239, 0.3);
  }
}

.floating-partners small {
  color: var(--orange);
  font-weight: 600;
  display: block;
  margin-top: 2px;
  font-size: 0.8rem;
}

footer {
  text-align: center;
  padding: 38px 20px 48px;
  background: linear-gradient(180deg, #060606 0%, #030303 100%);
  border-top: 1px solid rgba(0, 174, 239, 0.12);
}

footer p {
  margin-bottom: 16px;
  font-size: 0.95rem;
}

#partners.section {
  padding-top: clamp(28px, 5vw, 52px);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(204, 204, 204, 0.75);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--blue);
}

a:focus-visible,
.cta-button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .hero {
    padding: 90px 20px 110px;
  }

  .cta-button {
    padding: 14px 28px;
  }

  .section {
    padding: 48px 0;
  }

  .logo {
    width: min(340px, 80vw);
    max-width: 340px;
  }

  .feature {
    text-align: left;
  }

  .feature.span-2 {
    grid-column: span 1;
  }

  .contact-box {
    text-align: left;
  }

  .dendrontech-floating {
    position: static;
    width: 200px;
    height: 200px;
    margin: 20px auto 0;
  }

  .creator-section {
    flex-direction: column;
    text-align: center;
    padding: 48px 20px;
  }

  .creator-section img {
    margin: 0 auto 20px;
  }

  .floating-partners {
    top: auto;
    bottom: 20px;
    left: 15px;
    font-size: 0.85rem;
    padding: 10px 14px;
  }
}