/* ================================================
   STACKBUILD v3 — style.css
   Design : Premium dark, vert vif
   Font : Outfit 400/700/900
================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;700;900&display=swap');

/* ===== VARIABLES ===== */
:root {
  --bg: #050e05;
  --bg-card: #0a1a0a;
  --primary: #22c55e;
  --primary-dim: rgba(34,197,94,0.12);
  --primary-border: rgba(34,197,94,0.22);
  --primary-glow: rgba(34,197,94,0.28);
  --text: #ffffff;
  --text-muted: rgba(255,255,255,0.5);
  --text-dim: rgba(255,255,255,0.22);
  --border: rgba(255,255,255,0.06);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --transition: 0.3s ease;
  --font: 'Outfit', sans-serif;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== NOISE TEXTURE ===== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

/* ===== LAYOUT ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; position: relative; }
.section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}
.section-title {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.75;
}
.text-green { color: var(--primary); }
.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
  z-index: 1;
}
.btn-primary { background: var(--primary); color: #000; }
.btn-primary:hover {
  background: #16a34a;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px var(--primary-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.18);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-dark { background: #000; color: var(--primary); font-weight: 900; }
.btn-dark:hover {
  background: #0a0a0a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

/* ===== BADGE ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: var(--primary-dim);
  border: 1px solid var(--primary-border);
  color: var(--primary);
}
.badge-popular {
  background: var(--primary);
  color: #000;
  border-color: var(--primary);
}

/* ===== ORBS ===== */
.orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(90px);
  animation: floatOrb 9s ease-in-out infinite alternate;
}
.orb-1 {
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(34,197,94,0.2), transparent 70%);
  top: -120px; right: -100px;
  animation-duration: 10s;
}
.orb-2 {
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(34,197,94,0.11), transparent 70%);
  bottom: -80px; left: -70px;
  animation-duration: 7s;
  animation-delay: -4s;
}
@keyframes floatOrb {
  from { transform: translateY(0) scale(1); }
  to   { transform: translateY(-28px) scale(1.06); }
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(5,14,5,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo { font-size: 20px; font-weight: 900; letter-spacing: 0.5px; }
.logo span { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta { display: flex; align-items: center; }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 72px 0 0 0;
  background: rgba(5,14,5,0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
.mobile-menu.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.mobile-menu a {
  font-size: 26px;
  font-weight: 900;
  color: var(--text);
  transition: color var(--transition);
}
.mobile-menu a:hover { color: var(--primary); }

/* ===== PAGE HEADER (pages internes) ===== */
.page-header {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 52px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); max-width: 260px; line-height: 1.7; }
.footer-col h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
}

/* ===== CTA BANNER ===== */
.cta-banner {
  background: var(--primary);
  border-radius: 20px;
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -60%; right: -8%;
  width: 320px; height: 320px;
  background: rgba(0,0,0,0.1);
  border-radius: 50%;
  filter: blur(60px);
}
.cta-banner h2 {
  font-size: clamp(22px, 4vw, 38px);
  font-weight: 900;
  color: #000;
  margin-bottom: 12px;
  position: relative;
}
.cta-banner p { font-size: 16px; color: rgba(0,0,0,0.6); margin-bottom: 28px; position: relative; }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ===== RESPONSIVE GLOBAL ===== */
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .burger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .section { padding: 64px 0; }
  .page-header { padding: 120px 0 48px; }
  .cta-banner { padding: 40px 24px; }
}