:root {
  --noir: #0a0a0a;
  --blanc: #f5f2ec;
  --or: #c9a84c;
  --or-clair: #e8c97a;
  --or-pale: #f5e9c8;
  --gris: #1a1a1a;
  --gris-moyen: #2e2e2e;
  --texte-doux: #8a8070;
  --radius: 16px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--noir);
  color: var(--blanc);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 60px;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201,168,76,0.12);
}

.logo {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--or);
  letter-spacing: -0.5px;
  text-decoration: none;
}

.logo span { color: var(--blanc); }

nav ul {
  display: flex;
  gap: 36px;
  list-style: none;
}

nav ul a {
  color: var(--blanc);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.3px;
  opacity: 0.75;
  transition: opacity 0.2s;
}

nav ul a:hover { opacity: 1; color: var(--or); }

.nav-cta {
  background: var(--or);
  color: var(--noir) !important;
  padding: 10px 24px;
  border-radius: 100px;
  font-weight: 500 !important;
  opacity: 1 !important;
  font-size: 14px;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--or-clair) !important; }

/* ─── HERO ─── */
#accueil {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 40px 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(201,168,76,0.13) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(201,168,76,0.06) 0%, transparent 50%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 70%);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,168,76,0.1);
  border: 1px solid rgba(201,168,76,0.3);
  color: var(--or);
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
  position: relative;
  animation: fadeUp 0.8s ease both;
}

.badge-dot {
  width: 6px; height: 6px;
  background: var(--or);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -2px;
  margin-bottom: 28px;
  position: relative;
  animation: fadeUp 0.8s 0.1s ease both;
}

h1 .accent { color: var(--or); }

.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--texte-doux);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 44px;
  position: relative;
  animation: fadeUp 0.8s 0.2s ease both;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
  animation: fadeUp 0.8s 0.3s ease both;
}

.btn-primary {
  background: var(--or);
  color: var(--noir);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background: var(--or-clair);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(201,168,76,0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--blanc);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 400;
  padding: 14px 32px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s;
}

.btn-secondary:hover {
  border-color: var(--or);
  color: var(--or);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 80px;
  position: relative;
  animation: fadeUp 0.8s 0.4s ease both;
  flex-wrap: wrap;
  justify-content: center;
}

.stat { text-align: center; }

.stat-number {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--or);
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--texte-doux);
  margin-top: 6px;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── SECTIONS ─── */
section {
  padding: 100px 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--or);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.section-sub {
  font-size: 17px;
  color: var(--texte-doux);
  max-width: 520px;
  line-height: 1.7;
}

/* ─── SEPARATOR ─── */
.sep {
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(201,168,76,0.2), transparent);
  margin: 0 60px;
}

/* ─── POURQUOI ─── */
#pourquoi {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature-card {
  background: var(--gris);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  transition: all 0.3s;
  cursor: default;
}

.feature-card:hover {
  border-color: rgba(201,168,76,0.3);
  background: rgba(201,168,76,0.05);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.feature-title {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-text {
  font-size: 13px;
  color: var(--texte-doux);
  line-height: 1.6;
}

/* ─── COMMENT ─── */
#comment { text-align: center; }
#comment .section-sub { margin: 0 auto 60px; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 1px;
  background: linear-gradient(to right, var(--or), rgba(201,168,76,0.2));
}

.step {
  position: relative;
  text-align: left;
}

.step-num {
  width: 48px; height: 48px;
  background: var(--gris-moyen);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  color: var(--or);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.step-title {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-text {
  font-size: 13px;
  color: var(--texte-doux);
  line-height: 1.6;
}

/* ─── TARIFS ─── */
#tarifs { text-align: center; }
#tarifs .section-sub { margin: 0 auto 60px; }

.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.plan {
  background: var(--gris);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 20px;
  padding: 36px 28px;
  text-align: left;
  transition: all 0.3s;
  position: relative;
}

.plan:hover {
  transform: translateY(-4px);
  border-color: rgba(201,168,76,0.2);
}

.plan.featured {
  background: linear-gradient(135deg, rgba(201,168,76,0.12), rgba(201,168,76,0.04));
  border-color: var(--or);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--or);
  color: var(--noir);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.plan-name {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 13px;
  color: var(--texte-doux);
  margin-bottom: 24px;
}

.plan-price {
  font-family: 'Syne', sans-serif;
  font-size: 44px;
  font-weight: 800;
  color: var(--or);
  line-height: 1;
  margin-bottom: 4px;
}

.plan-price span {
  font-size: 16px;
  font-weight: 400;
  color: var(--texte-doux);
}

.plan-period {
  font-size: 13px;
  color: var(--texte-doux);
  margin-bottom: 28px;
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 12px;
}

.plan-features li::before {
  content: '✓';
  color: var(--or);
  font-weight: 700;
  flex-shrink: 0;
}

.plan-btn {
  width: 100%;
  padding: 13px;
  border-radius: 100px;
  border: 1px solid rgba(201,168,76,0.4);
  background: transparent;
  color: var(--or);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s;
}

.plan-btn:hover, .plan.featured .plan-btn {
  background: var(--or);
  color: var(--noir);
  border-color: var(--or);
}

/* ─── FAQ ─── */
#faq .faq-list {
  margin-top: 48px;
  max-width: 700px;
}

.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding: 24px 0;
}

.faq-q {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-q .icon {
  font-size: 20px;
  color: var(--or);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-a {
  font-size: 14px;
  color: var(--texte-doux);
  line-height: 1.7;
  margin-top: 12px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-a { max-height: 200px; }
.faq-item.open .icon { transform: rotate(45deg); }

/* ─── CONTACT ─── */
#contact { text-align: center; }

.contact-box {
  max-width: 520px;
  margin: 48px auto 0;
  background: var(--gris);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: 24px;
  padding: 40px;
}

.form-group {
  margin-bottom: 16px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 13px;
  margin-bottom: 8px;
  color: var(--texte-doux);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  color: var(--blanc);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--or);
}

.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select option { background: var(--gris); }

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--or);
  color: var(--noir);
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  margin-top: 8px;
  transition: all 0.25s;
}

.form-submit:hover {
  background: var(--or-clair);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.3);
}

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 40px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 800;
  color: var(--or);
}

.footer-logo span { color: var(--blanc); }

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.footer-links a {
  color: var(--texte-doux);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--or); }

.footer-copy {
  font-size: 12px;
  color: var(--texte-doux);
}

/* ─── BAND ─── */
.band {
  overflow: hidden;
  padding: 20px 0;
  background: rgba(201,168,76,0.05);
  border-top: 1px solid rgba(201,168,76,0.1);
  border-bottom: 1px solid rgba(201,168,76,0.1);
}

.band-track {
  display: flex;
  gap: 60px;
  animation: scroll 20s linear infinite;
  width: max-content;
}

.band-item {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--texte-doux);
  letter-spacing: 0.5px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 10px;
}

.band-dot { color: var(--or); }

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── MOBILE ─── */
@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  nav ul { display: none; }
  section { padding: 60px 24px; }
  #pourquoi { grid-template-columns: 1fr; gap: 40px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps::before { display: none; }
  .plans { grid-template-columns: 1fr; }
  footer { padding: 32px 24px; flex-direction: column; align-items: flex-start; }
  .sep { margin: 0 24px; }
}

@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero-stats { gap: 28px; }
}