@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&display=swap');

:root {
  --dark: #133531;
  --vert: #99e791;
  --orange: #ed6c2d;
  --light: #ffffff;
  --clair: #9daead;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--dark);
  background: var(--light);
  overflow-x: hidden;
}

/* ─── NAV ─────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: background 0.3s, box-shadow 0.3s;
}
nav.scrolled {
  background: var(--light);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.nav-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}
.nav-logo .logo-light { height: 32px; display: block; }
.nav-logo .logo-dark { height: 32px; display: none; }
nav.scrolled .nav-logo .logo-light { display: none; }
nav.scrolled .nav-logo .logo-dark { display: block; }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a {
  color: var(--light);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: opacity 0.2s;
}
nav.scrolled .nav-links a { color: var(--dark); }
.nav-links a:hover { opacity: 0.7; }
.nav-cta {
  background: var(--light);
  color: var(--dark) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600 !important;
  transition: transform 0.2s, box-shadow 0.2s !important;
}
nav.scrolled .nav-cta { background: var(--dark); color: var(--light) !important; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15) !important; opacity: 1 !important; }

/* ─── HERO ─────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark) 0%, #1d5048 50%, var(--vert) 100%);
  display: flex;
  align-items: center;
  padding: 120px 40px 180px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 140px;
  background: var(--light);
  border-radius: 60px 0 0 0;
}
.hero-content {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}
.hero-text { color: var(--light); }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  color: var(--vert);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
}
.tag-icon { height: 18px; width: auto; }
.hero-text h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
}
.hero-text h1 span { color: var(--vert); }
.hero-text p {
  font-size: 17px;
  font-weight: 400;
  line-height: 1.7;
  opacity: 0.85;
  margin-bottom: 40px;
  max-width: 480px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  background: var(--light);
  color: var(--dark);
  padding: 16px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,0,0,0.25); }
.btn-secondary {
  background: transparent;
  color: var(--light);
  padding: 16px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid rgba(255,255,255,0.4);
  transition: background 0.2s, border-color 0.2s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: var(--light); }
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-mockup {
  width: 280px;
  drop-shadow: 0 30px 80px rgba(0,0,0,0.35);
  filter: drop-shadow(0 30px 80px rgba(0,0,0,0.35));
}
.hero-mockup img {
  width: 100%;
  display: block;
  border-radius: 38px;
}

/* ─── STATS ─────────────────────────────────────── */
.stats {
  padding: 60px 40px;
  background: var(--light);
}
.stats-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}
.stat-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1;
}
.stat-number span { color: var(--vert); }
.stat-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--clair);
  margin-top: 8px;
}

/* ─── SHOWCASE ─────────────────────────────────────── */
.showcase {
  padding: 80px 40px;
  background: var(--light);
}
.showcase-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.showcase-img {
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.showcase-img:hover {
  transform: translateY(-8px);
  box-shadow: 0 32px 80px rgba(0,0,0,0.18);
}
.showcase-img img {
  width: 100%;
  border-radius: 32px;
  object-fit: cover;
}
.showcase-tag {
  display: inline-block;
  background: rgba(153,231,145,0.2);
  color: var(--dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.showcase-text h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.15;
  margin-bottom: 20px;
}
.showcase-text h2 span { color: var(--vert); }
.showcase-text > p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--clair);
  margin-bottom: 30px;
  font-weight: 400;
}
.showcase-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.showcase-list li {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
}

/* ─── FEATURES ─────────────────────────────────────── */
.features {
  padding: 100px 40px;
  background: var(--light);
}
.section-title {
  text-align: center;
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.section-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--clair);
  font-weight: 400;
  margin-bottom: 60px;
}
.features-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.feature-card {
  background: var(--light);
  border-radius: 24px;
  padding: 40px 30px;
  box-shadow: 0 4px 30px rgba(0,0,0,0.07);
  transition: transform 0.3s, box-shadow 0.3s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.12); }
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  margin-bottom: 24px;
}
.icon-vert { background: rgba(153, 231, 145, 0.2); }
.icon-orange { background: rgba(237, 108, 45, 0.15); }
.icon-dark { background: rgba(19, 53, 49, 0.1); }
.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}
.feature-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--clair);
  font-weight: 400;
}

/* ─── HOW IT WORKS ─────────────────────────────────── */
.how {
  padding: 180px 40px;
  background: linear-gradient(135deg, var(--dark), #1d5048);
  position: relative;
}
.how::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 80px;
  background: var(--light);
  border-radius: 0 0 0 40px;
}
.how::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 80px;
  background: var(--light);
  border-radius: 40px 0 0 0;
}
.how .section-title { color: var(--light); }
.how .section-subtitle { color: rgba(255,255,255,0.5); }
.steps {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 30px;
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  background: rgba(255,255,255,0.07);
  border-radius: 20px;
  padding: 30px;
  border: 1px solid rgba(255,255,255,0.1);
}
.step-num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--vert);
  color: var(--dark);
  font-size: 20px;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.step-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--light);
  margin-bottom: 8px;
}
.step-content p {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  font-weight: 400;
}

/* ─── CTA ─────────────────────────────────────── */
.cta-section {
  padding: 100px 40px;
  text-align: center;
  background: var(--light);
}
.cta-box {
  max-width: 700px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--dark), #1d5048);
  border-radius: 40px;
  padding: 70px 60px;
  color: var(--light);
}
.cta-box h2 {
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}
.cta-box h2 span { color: var(--vert); }
.cta-box p {
  font-size: 16px;
  opacity: 0.7;
  margin-bottom: 36px;
  font-weight: 400;
}
.store-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; align-items: center; }
.store-badge { height: 52px; display: block; transition: transform 0.2s; }
.store-badge:hover { transform: translateY(-2px); }

/* ─── FOOTER ─────────────────────────────────────── */
footer {
  background: var(--dark);
  color: rgba(255,255,255,0.5);
  padding: 50px 40px 30px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 30px;
  margin-bottom: 40px;
}
.footer-logo {
  height: 32px;
  display: block;
  margin-bottom: 14px;
}
.footer-brand p { font-size: 13px; max-width: 240px; line-height: 1.6; }
.footer-links h4 {
  color: var(--light);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-links a {
  display: block;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 13px;
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--vert); }
.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { color: rgba(255,255,255,0.4); text-decoration: none; }
.footer-bottom a:hover { color: var(--vert); }

/* ─── PAGE INTÉRIEURE ─────────────────────────────── */
.page-hero {
  min-height: 45vh;
  background: linear-gradient(135deg, var(--dark), #1d5048);
  display: flex;
  align-items: flex-end;
  padding: 140px 40px 100px;
  position: relative;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 60px;
  background: var(--light);
  border-radius: 40px 0 0 0;
}
.page-hero-content { max-width: 800px; }
.page-hero .tag {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  color: var(--vert);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.page-hero h1 {
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 800;
  color: var(--light);
  line-height: 1.2;
}
.page-hero p {
  color: rgba(255,255,255,0.65);
  font-size: 16px;
  margin-top: 12px;
  font-weight: 400;
}
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 40px 100px;
}

/* ─── ACCORDION FAQ ─────────────────────────────── */
.faq-item {
  border-bottom: 1px solid rgba(19,53,49,0.1);
  overflow: hidden;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  gap: 20px;
}
.faq-question .chevron {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(153, 231, 145, 0.2);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s, background 0.3s;
  font-size: 16px;
  color: var(--dark);
}
.faq-item.open .chevron { transform: rotate(180deg); background: var(--vert); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  font-size: 15px;
  line-height: 1.8;
  color: #555;
  font-weight: 400;
}
.faq-item.open .faq-answer { max-height: 400px; padding-bottom: 24px; }

/* ─── STEPS PAGE ─────────────────────────────────── */
.step-page {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  padding: 30px;
  border-radius: 20px;
  background: var(--light);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  align-items: flex-start;
}
.step-page-num {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 18px;
  flex-shrink: 0;
}
.step-page-num.orange { background: rgba(237,108,45,0.15); color: var(--orange); }
.step-page-num.vert { background: rgba(153,231,145,0.2); color: var(--dark); }
.step-page h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: var(--dark); }
.step-page p { font-size: 15px; color: #666; line-height: 1.7; font-weight: 400; }

/* ─── CONTACT BOX ─────────────────────────────────── */
.contact-box {
  background: linear-gradient(135deg, var(--dark), #1d5048);
  border-radius: 24px;
  padding: 40px;
  text-align: center;
  margin-top: 60px;
  color: var(--light);
}
.contact-box h3 { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.contact-box p { font-size: 15px; opacity: 0.7; margin-bottom: 24px; font-weight: 400; }
.contact-box a {
  display: inline-block;
  background: var(--vert);
  color: var(--dark);
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  font-size: 15px;
  transition: transform 0.2s;
}
.contact-box a:hover { transform: translateY(-2px); }

/* ─── ALERT BOX ─────────────────────────────────── */
.alert-box {
  border-radius: 16px;
  padding: 20px 24px;
  margin-bottom: 30px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 400;
}
.alert-box.orange { background: rgba(237,108,45,0.1); border-left: 4px solid var(--orange); color: var(--dark); }
.alert-box.vert { background: rgba(153,231,145,0.15); border-left: 4px solid var(--vert); color: var(--dark); }
.alert-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }

/* ─── SECTION HEADER ─────────────────────────────── */
.section-header {
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 2px solid rgba(19,53,49,0.08);
}
.section-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}
.section-header p { font-size: 14px; color: var(--clair); font-weight: 400; }

/* ─── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 430px) {
  .step { flex-direction: column; }
}

@media (max-width: 768px) {
  nav { padding: 16px 20px; }
  .nav-links { display: none; }
  .hero { padding: 100px 20px 80px; }
  .hero-content { grid-template-columns: 1fr; }
  .hero-visual { justify-content: center; }
  .hero-mockup { width: 200px; margin: 0 auto 8rem; }
  .stats-grid { grid-template-columns: 1fr; gap: 30px; }
  .showcase-inner { grid-template-columns: 1fr; gap: 40px; }
  .features-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 40px 24px; }
  .page-content { padding: 40px 20px 80px; }
  .step-page { flex-direction: column; }
  .footer-inner { flex-direction: column; }
  .credibility-award { flex-direction: column; text-align: center; }
  .award-badge { font-size: 48px; }
  .team { padding: 60px 20px; }
}

/* ─── CREDIBILITY ──────────────────────────────── */
.credibility {
  padding: 100px 40px;
  background: var(--light);
  color: var(--dark);
}
.credibility-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 60px;
}
.credibility-award {
  display: flex;
  align-items: center;
  gap: 40px;
}
.award-badge {
  font-size: 72px;
  flex-shrink: 0;
}
.award-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--vert);
  margin-bottom: 8px;
}
.credibility-award h2 {
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--dark);
}
.credibility-award p {
  font-size: 15px;
  line-height: 1.7;
  color: #555;
}
.credibility-patent {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  background: #f8faf8;
  border: 1px solid #e8ede8;
  border-radius: 16px;
  padding: 32px;
}
.patent-icon {
  font-size: 32px;
  flex-shrink: 0;
}
.credibility-patent h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--vert);
  margin-bottom: 8px;
}
.credibility-patent p {
  font-size: 15px;
  line-height: 1.7;
  color: #555;
}

/* ─── TEAM ─────────────────────────────────────── */
.team {
  padding: 100px 40px;
  background: var(--light);
}
.team-grid {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
  align-items: stretch;
  gap: 40px;
}
.team-card {
  min-width: 300px;
  flex: 1;
}
.team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: #f8faf8;
  border-radius: 24px;
  padding: 40px 32px;
  border: 1px solid #e8ede8;
}
.team-photo {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 3px solid var(--vert);
}
.team-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.team-role {
  font-size: 13px;
  font-weight: 600;
  color: var(--vert);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
  background: rgba(153,231,145,0.15);
  padding: 4px 12px;
  border-radius: 50px;
}
.team-bio {
  font-size: 14px;
  line-height: 1.8;
  color: #555;
  margin-bottom: 24px;
}
.team-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--dark);
  color: var(--light);
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  transition: opacity 0.2s;
}
.team-linkedin:hover { opacity: 0.8; }

/* ─── PARTENAIRES ──────────────────────────────── */
.partners {
  margin-top: 70px;
  text-align: center;
}
.partners-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--vert);
  margin-bottom: 30px;
}
.partners-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 32px 48px;
  max-width: 900px;
  margin: 0 auto;
}
.partners-logos img {
  height: 36px;
  width: auto;
  object-fit: contain;
}