@import url('https://fonts.googleapis.com/css2?family=Anton&family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  --white: #ffffff;
  --black: #000000;
  --lime: #c1ff72;
  --cyan: #5ce1e6;
  --gray-light: #f8f9fa;
  --gray-text: #4a4a4a;
  --gray-border: #e5e5e5;

  --gradient-brand: linear-gradient(90deg, #5ce1e6 0%, #c1ff72 100%);

  --shadow-light: 0 10px 30px rgba(0,0,0,0.05);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.08);

  --radius-main: 14px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
}

a {
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

h1,
h2,
h3,
h4 {
  color: var(--black);
}

h1 {
  text-transform: uppercase;
  font-size: 3rem;
  line-height: 1.1;
  margin-bottom: 24px;
}

h2 {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

p {
  color: var(--gray-text);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.subtitle {
  max-width: 700px;
  margin: auto;
  font-size: 1.05rem;
}

/* BUTTONS */

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  transition: var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--gradient-brand);
  color: var(--black);
}

.btn-primary:hover {
  transform: translateY(-2px);
}

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

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

.btn-text {
  color: var(--black);
  font-weight: bold;
}

/* HERO */

.hero-section {
  padding-top: 120px;
  padding-bottom: 100px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-lead {
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.placeholder-graphic {
  min-height: 320px;
  border-radius: var(--radius-main);
  background: var(--gray-light);
  border: 2px dashed var(--gray-border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  text-align: center;
}

.gradient-bg {
  background: var(--gradient-brand);
  border: none;
}

.placeholder-text {
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

/* PROBLEM */

.problem-section {
  background: var(--gray-light);
}

.grid-4-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.grid-3-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius-main);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-border);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
}

.card-problem h3::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  background: var(--cyan);
  margin-top: 10px;
}

/* SOLUTION */

.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.solution-list {
  list-style: none;
  margin-top: 24px;
}

.solution-list li {
  margin-bottom: 16px;
  padding-left: 28px;
  position: relative;
}

.solution-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: bold;
}

/* PILLARS */

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card-pillar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card-pillar {
  border: 2px solid var(--cyan);
}

.key-message {
  border-left: 4px solid var(--lime);
  padding-left: 14px;
  font-style: italic;
  color: var(--black);
}

/* FEATURES */

.features-section {
  background: var(--gray-light);
}

.feature-item {
  background: var(--white);
  padding: 28px;
  border-radius: var(--radius-main);
  box-shadow: var(--shadow-light);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-weight: bold;
}

/* TESTIMONIALS */

.testimonial-card {
  height: 100%;
}

.testimonial-text {
  margin-bottom: 20px;
  font-style: italic;
}

/* STATS */

.stats-section {
  background: var(--black);
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 3rem;
  font-weight: bold;
  color: var(--cyan);
  margin-bottom: 10px;
}

.stat-label {
  color: white;
}


/* FAQ */

.faq-section {
  padding: 80px 20px;
  background: #ffffff;
  color: #000000;
  text-align: center;
}

.faq-section h2 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 12px;
}

.faq-line {
  width: 90px;
  height: 5px;
  background: linear-gradient(90deg, #c1ff72, #5ce1e6);
  margin: 0 auto 40px;
  border-radius: 10px;
}

.faq {
  max-width: 850px;
  margin: 0 auto;
  text-align: left;
  border: 1px solid #e5e5e5;
  border-radius: 20px;
  overflow: hidden;
}

.faq details {
  border-bottom: 1px solid #e5e5e5;
  background: #ffffff;
}

.faq details:last-child {
  border-bottom: none;
}

.faq summary {
  cursor: pointer;
  padding: 24px 28px;
  font-size: 20px;
  font-weight: 700;
  list-style: none;
  position: relative;
}

.faq summary::after {
  content: "+";
  position: absolute;
  right: 28px;
  font-size: 28px;
  top: 50%;
  transform: translateY(-50%);
}

.faq details[open] summary::after {
  content: "×";
}

.faq details[open] summary {
  color: #00bf63;
  background: #f7fff2;
}

.faq p {
  padding: 0 28px 24px;
  font-size: 17px;
  line-height: 1.7;
  color: #333333;
}


/* CONTACT */

.cta-final-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.contact-details {
  margin-top: 24px;
}

.contact-link-block {
  display: block;
  margin-bottom: 12px;
  color: var(--black);
  font-weight: bold;
}

/* FOOTER */

.main-footer {
  background: var(--gray-light);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.footer-logo {
  display: inline-block;
  font-family: 'Anton', sans-serif;
  font-size: 2rem;
  font-weight: bold;
  font-style: italic;
  margin-bottom: 16px;
}

.footer-bottom {
  border-top: 1px solid var(--gray-border);
  margin-top: 40px;
  padding-top: 24px;
  text-align: center;
}

.footer-socials {
    display: flex;
    gap: 20px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.footer-socials a {
    color: var(--black);
    font-weight: 600;
    transition: 0.3s;
}

.footer-socials a:hover {
    color: var(--cyan);
}

/* RESPONSIVE */

@media (max-width: 992px) {

  .hero-grid,
  .solution-grid,
  .cta-final-grid,
  .pillars-grid,
  .grid-4-columns,
  .grid-3-columns,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2.3rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  .hero-section {
    padding-top: 80px;
  }

}

@media (max-width: 600px) {

  .container {
    padding: 0 18px;
  }

  section {
    padding: 60px 0;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .hero-actions {
    flex-direction: column;
  }

}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: #ffffff;

  padding: 22px 32px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  border-bottom: none;
}

.site-header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;

  width: 100%;
  height: 3px;

  background: linear-gradient(
    90deg,
    #5ce1e6,
    #c1ff72
  );
}

.header-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.search-btn {
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: #000;
}

.search-btn:hover {
  color: #5ce1e6;
}

.site-logo {
  font-family: 'Anton', sans-serif;
  font-style: italic;
  font-size: 1.6rem;
  color: #000;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.logo-tagline {
  font-family: "Poppins", sans-serif;
  font-size: 1rem;
  color: #555555;
}

.desktop-nav {
  display: flex;
  gap: 40px;
}

.desktop-nav a {
  color: #000;
  font-weight: 700;
}

.desktop-nav a:hover {
  color: #5ce1e6;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
}

.mobile-menu {
  display: none;
}

.search-bar {
  display: none;
  padding: 18px 32px;
  background: #ffffff;
  border-bottom: 1px solid #eeeeee;
  gap: 12px;
}

.search-bar.open {
  display: flex;
}

.search-bar input {
  flex: 1;
  padding: 14px 18px;
  border: 1px solid #dddddd;
  border-radius: 999px;
  font-size: 1rem;
}

.search-bar button {
  padding: 14px 24px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(90deg, #5ce1e6, #c1ff72);
  font-weight: 700;
  cursor: pointer;
}

/* Téléphone */
@media (max-width: 768px) {
  .search-btn {
  font-size: 2rem;
  }

  .search-bar {
    flex-direction: column;
}
  
  .desktop-nav {
    display: none;
  }

  .logo-tagline {
  display: none;
  }

  .menu-toggle {
    display: block;
  }

  .mobile-menu {
    display: none;
    flex-direction: column;
    background: #ffffff;
    padding: 20px 32px;
    border-bottom: 1px solid #eeeeee;
    position: sticky;
    top: 76px;
    z-index: 998;
  }

  .mobile-menu.open {
    display: flex;
  }

  .mobile-menu a {
    padding: 16px 0;
    color: #000;
    font-weight: 700;
    border-bottom: 1px solid #eeeeee;
  }
}