/* Import des polices locales */
@font-face {
  font-family: 'Unbounded';
  src: url('./assets/font/Unbounded/Unbounded-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('./assets/font/Poppins/Poppins-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('./assets/font/Poppins/Poppins-Medium.ttf') format('truetype');
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('./assets/font/Poppins/Poppins-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('./assets/font/Poppins/Poppins-Bold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}

/* Reset et base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: #FFFFFF;
  background-color: #000000;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: transparent;
  backdrop-filter: none;
  z-index: 1000;
  border-bottom: none;
  transition: all 0.3s ease;
}

.hero>div {
  width: 1160px;
}

.header.scrolled {
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #333;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo-link {
  display: inline-block;
  text-decoration: none;
}

.logo {
  height: 60px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1rem;
}

.nav-menu a {
  color: #FFFFFF;
  padding: clamp(.05rem, 1vw, .2rem) clamp(.5rem, 2vw, 1rem);
  font-size: 1rem;
  font-weight: 500;
  font-family: 'Poppins', sans-serif;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
  margin-left: 0.5rem;
  margin-right: 0.5rem;
  display: inline-block;
}

.nav-menu a:hover {
  color: #1DFF22;
}

/* Special styling for CTA button in navigation */
.nav-menu a.nav-cta {
  border: 2px solid #FFFFFF;
  border-radius: 50px;
  background-color: transparent;
  padding: clamp(.05rem, 1vw, .2rem) clamp(.5rem, 2vw, 1.2rem);
}

.nav-menu a.nav-cta:hover {
  color: #1DFF22;
  border-color: #1DFF22;
  background-color: transparent;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: #FFFFFF;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: left;
  background: #000000;
  position: relative;
  z-index: 1;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('./assets/images/bg-usts-ai-2.jpg');
  background-size: cover;
  background-position: center bottom;
  background-repeat: no-repeat;
  filter: grayscale(1);
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom,
      rgba(0, 0, 0, 0.45) 0%,
      rgba(0, 0, 0, 0.6) 70%,
      rgba(0, 0, 0, 1) 100%);
  pointer-events: none;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
}

.hero-title {
  font-family: 'Unbounded', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 3rem 0;
  color: #FFFFFF;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7), 0 0 2px #fff;
}

.highlight {
  color: #1DFF22;
  text-shadow: none;
}

.hero-subtitle {
  font-family: 'Poppins', sans-serif;
  font-size: 1.25rem;
  color: #CCCCCC;
  max-width: 600px;
  margin: 0 0 2.5rem;
  line-height: 1.6;
}

/* Buttons */
.cta-button {
  color: #FFFFFF;
  border-width: 2px;
  border-style: solid;
  border-color: #FFFFFF;
  padding: clamp(.1rem, 2vw, .3rem) clamp(.25rem, 4vw, 2rem);
  border-radius: 50px;
  background-color: transparent;
  font-size: 1.1rem;
  font-weight: 400;
  font-family: 'Poppins', sans-serif;
  text-decoration: none;
  transition: all 0.5s ease;
  cursor: pointer;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
  box-shadow: none;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7), 0 0 2px #fff;
}

.cta-button:hover {
  color: #1DFF22;
  border-color: #1DFF22;
  background-color: transparent;
  text-shadow: none;
  box-shadow: none;
}

/* Problems Section */
.problems {
  padding: 50px 0;
  background: #000000;
  position: relative;
  z-index: 2;
  margin-bottom: 100px;
}

.problems h2 {
  font-family: 'Unbounded', sans-serif;
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #FFFFFF;
}

.problems-intro {
  font-family: 'Poppins', sans-serif;
  text-align: center;
  font-size: 1.1rem;
  color: #CCCCCC;
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.6;
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 0 auto;
}

.problem-item {
  text-align: center;
  padding: 2rem;
  background: #111111;
  border-radius: 12px;
  border: 1px solid #333;
  transition: all 0.3s ease;
}

.problem-item:hover {
  border-color: #1DFF22;
  box-shadow: 0 0 15px rgba(29, 255, 34, 0.4);
}

.problem-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 1rem;
}

.problem-item p {
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  color: #CCCCCC;
  font-weight: 500;
}

/* Solutions Section */
.solutions {
  /* padding: 50px 0; */
  background: #000000;
  scroll-margin-top: 100px;
}

.solutions h2 {
  font-family: 'Unbounded', sans-serif;
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #FFFFFF;
}

.section-subtitle {
  font-family: 'Poppins', sans-serif;
  text-align: center;
  font-size: 1.1rem;
  color: #CCCCCC;
  max-width: 600px;
  margin: 0 auto 4rem;
  font-style: italic;
}

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

.solution-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 4rem;
  padding: 2rem 0;
  border-bottom: 1px solid #333;
}

.solution-item:last-child {
  border-bottom: none;
}

.solution-number {
  font-family: 'Unbounded', sans-serif;
  font-size: 6rem;
  font-weight: 700;
  color: #1DFF22;
  margin-right: 3rem;
  min-width: 150px;
  text-shadow: 0 0 10px rgba(29, 255, 34, 0.3);
  line-height: 1;
  letter-spacing: -2px;
}

.solution-content h3 {
  font-family: 'Unbounded', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #FFFFFF;
}

.solution-content p {
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  color: #CCCCCC;
  line-height: 1.7;
}

/* Schema Section */
.schemas {
  padding: 100px 0;
  background: #000000;
  scroll-margin-top: 100px;
}

.schemas h2 {
  font-family: 'Unbounded', sans-serif;
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #FFFFFF;
}

.schema-tabs {
  max-width: 1200px;
  margin: 0 auto;
}

.tab-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-button {
  background: transparent;
  border: 2px solid #333;
  color: #FFFFFF;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.tab-button:hover,
.tab-button.active {
  border-color: #1DFF22;
  background: #1DFF22;
  color: #000000;
  box-shadow: 0 0 20px rgba(29, 255, 34, 0.3);
}

.tab-panel {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.schema-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.schema-diagram {
  background: #111111;
  border: 1px solid #333;
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.schema-placeholder {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.schema-node {
  background: #1a1a1a;
  border: 2px solid #1DFF22;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  min-width: 150px;
  box-shadow: 0 0 15px rgba(29, 255, 34, 0.2);
}

.node-title {
  font-family: 'Unbounded', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: #1DFF22;
  margin-bottom: 0.5rem;
}

.node-description {
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
  color: #CCCCCC;
}

.schema-arrow {
  font-size: 1.5rem;
  color: #1DFF22;
  font-weight: bold;
}

.schema-explanation h3 {
  font-family: 'Unbounded', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.schema-explanation p {
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  color: #CCCCCC;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.schema-explanation ul {
  list-style: none;
  padding: 0;
}

.schema-explanation li {
  font-family: 'Poppins', sans-serif;
  color: #CCCCCC;
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1rem;
}

.schema-pricing {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #111111;
  border: 1px solid #333;
  border-radius: 16px;
  padding: 2rem;
  margin-top: 2rem;
}

.price-tag {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.price-amount {
  font-family: 'Unbounded', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: #1DFF22;
  text-shadow: 0 0 10px rgba(29, 255, 34, 0.3);
}

.price-period {
  font-family: 'Poppins', sans-serif;
  color: #CCCCCC;
  font-size: 1rem;
}

.schema-cta {
  background: transparent;
  border: 2px solid #FFFFFF;
  color: #FFFFFF;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.schema-cta:hover {
  background: transparent;
  border-color: #1DFF22;
  color: #1DFF22;
  box-shadow: 0 0 20px rgba(29, 255, 34, 0.3);
}

/* Benefits Section */
.benefits {
  padding: 80px 0;
  background: #000000;
  scroll-margin-top: 100px;
}

.benefits h2 {
  font-family: 'Unbounded', sans-serif;
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #FFFFFF;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.benefit-item {
  text-align: center;
  padding: 2rem;
  background: #111111;
  border-radius: 12px;
  border: 1px solid #333;
  transition: all 0.3s ease;
}

.benefit-item:hover {
  border-color: #1DFF22;
  box-shadow: 0 0 20px rgba(29, 255, 34, 0.1);
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.benefit-item h3 {
  font-family: 'Unbounded', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: #1DFF22;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 10px rgba(29, 255, 34, 0.3);
}

.benefit-item p {
  font-family: 'Poppins', sans-serif;
  color: #CCCCCC;
  font-weight: 500;
}

/* Pricing Section */
.pricing {
  padding: 100px 0;
  background: #000000;
  scroll-margin-top: 20px;
  margin-bottom: 100px;
}

.pricing h2 {
  font-family: 'Unbounded', sans-serif;
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #FFFFFF;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-item {
  background: #111111;
  border-radius: 16px;
  border: 1px solid #333;
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-item:hover {
  border-color: #1DFF22;
  box-shadow: 0 0 20px rgba(29, 255, 34, 0.2);
  transform: translateY(-5px);
}

.pricing-item.featured {
  border-color: #1DFF22;
  box-shadow: 0 0 30px rgba(29, 255, 34, 0.3);
  transform: scale(1.05);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #1DFF22;
  color: #000000;
  padding: 0.5rem 1.5rem;
  border-radius: 20px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
}

.pricing-header h3 {
  font-family: 'Unbounded', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.price {
  margin-bottom: 2rem;
}

.price .currency {
  font-family: 'Poppins', sans-serif;
  font-size: 1.2rem;
  color: #1DFF22;
  vertical-align: top;
}

.price .amount {
  font-family: 'Unbounded', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0.2rem;
}

.price .period {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  color: #CCCCCC;
}

.pricing-features ul {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
}

.pricing-features li {
  font-family: 'Poppins', sans-serif;
  color: #CCCCCC;
  padding: 0.5rem 0;
  font-size: 1rem;
  text-align: left;
}

.pricing-button {
  display: inline-block;
  color: #FFFFFF;
  border: 2px solid #FFFFFF;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  background-color: transparent;
  font-size: 1rem;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  text-decoration: none;
  transition: all 0.3s ease;
  width: 100%;
}

.pricing-button:hover {
  color: #1DFF22;
  border-color: #1DFF22;
  background-color: transparent;
}

.pricing-button.featured {
  background-color: #1DFF22;
  border-color: #1DFF22;
  color: #000000;
}

.pricing-button.featured:hover {
  background-color: transparent;
  color: #1DFF22;
}

/* Testimonials Section */
.testimonials {
  /* padding: 100px 0; */
  background: #000000;
  scroll-margin-top: 100px;
}

.testimonials h2 {
  font-family: 'Unbounded', sans-serif;
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #FFFFFF;
}

.testimonials-list {
  max-width: 900px;
  margin: 0 auto;
}

.testimonial-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 4rem;
  padding: 3rem 0;
  position: relative;
}

.testimonial-item:not(:last-child) {
  border-bottom: 1px solid #333;
}

.quote-mark {
  font-family: 'Unbounded', sans-serif;
  font-size: 8rem;
  font-weight: 700;
  color: #1DFF22;
  line-height: 1;
  margin-right: 2rem;
  margin-top: -1rem;
  opacity: 0.8;
  text-shadow: 0 0 20px rgba(29, 255, 34, 0.3);
}

.testimonial-content {
  flex: 1;
}

.testimonial-text {
  font-family: 'Poppins', sans-serif;
  font-size: 1.2rem;
  color: #FFFFFF;
  line-height: 1.7;
  margin-bottom: 2rem;
  font-style: italic;
}

.testimonial-meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.testimonial-author {
  font-family: 'Unbounded', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: #FFFFFF;
}

.testimonial-role {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  color: #CCCCCC;
  margin-bottom: 0.5rem;
}

.testimonial-result {
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: #1DFF22;
  background: rgba(29, 255, 34, 0.1);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  display: inline-block;
  width: fit-content;
}

/* Final CTA Section */
.final-cta {
  padding: 100px 0;
  background: #000000;
  position: relative;
  text-align: center;
}

.final-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(29, 255, 34, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-content h2 {
  font-family: 'Unbounded', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #FFFFFF;
}

.cta-content p {
  font-family: 'Poppins', sans-serif;
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
  color: #CCCCCC;
}

.cta-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-top: 4rem;
}

.cta-feature {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  color: #CCCCCC;
  opacity: 0.9;
  white-space: nowrap;
}

.cta-feature::before {
  content: "✓ ";
  color: #1DFF22;
  font-weight: bold;
}

/* Footer */
.footer {
  background: #111111;
  color: #FFFFFF;
  padding: 3rem 0 1rem;
  border-top: 1px solid #333;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-brand .logo {
  height: 40px;
  width: auto;
  margin-bottom: 0.5rem;
  display: block;
}

.footer-brand p {
  font-family: 'Poppins', sans-serif;
  color: #CCCCCC;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  font-family: 'Poppins', sans-serif;
  color: #CCCCCC;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #1DFF22;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #333;
  color: #CCCCCC;
  font-family: 'Poppins', sans-serif;
}

/* Responsive Design */
@media (max-width: 1180px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(0, 0, 0, 0.98);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 2rem;
    transition: left 0.3s ease;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

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

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .solution-item {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .solution-number {
    margin-right: 0;
    margin-bottom: 1rem;
    min-width: auto;
  }

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

  .problems-grid,
  .benefits-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-item.featured {
    transform: none;
  }

  .schema-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .schema-placeholder {
    flex-direction: column;
    gap: 1rem;
  }

  .schema-arrow {
    transform: rotate(90deg);
  }

  .schema-pricing {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

  .testimonial-item {
    flex-direction: column;
    text-align: center;
    padding: 2rem 0;
  }

  .quote-mark {
    margin-right: 0;
    margin-bottom: 1rem;
    font-size: 6rem;
    text-align: center;
    width: 100%;
  }

  .testimonial-meta {
    align-items: center;
  }

  .testimonial-result {
    align-self: center;
  }

  .footer-content {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

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

  .nav {
    padding: 1rem 15px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .cta-button {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }

  .cta-features {
    flex-direction: column;
    gap: 0.8rem;
    text-align: center;
  }
}