/* PixelSoftwareDesign2026@ — Landing Iner Studio */
:root {
  color-scheme: dark;
  --bg: #151719;
  --panel: #1e2124;
  --panel-2: #26292c;
  --line: #353a40;
  --text: #edece7;
  --muted: #8b9098;
  --accent: #35b49c;
  --accent-2: #e7c46a;
  --hero-glow: #1f8a76;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(53, 180, 156, .14), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.65;
  isolation: isolate;
}

/* ── Géométrie 3D animée en fond ── */
.geo-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.g {
  position: absolute;
  opacity: .055;
  will-change: transform, translate;
  backface-visibility: visible;
}
.g1 {
  width: 140px; height: 140px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: var(--accent);
  left: 4%; top: 10%;
  animation: geoSpinX 32s linear infinite, geoDrift1 24s ease-in-out infinite;
}
.g2 {
  width: 90px; height: 90px;
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  background: var(--accent-2);
  right: 10%; top: 6%;
  animation: geoSpinY 26s linear infinite, geoDrift2 20s ease-in-out infinite;
}
.g3 {
  width: 65px; height: 65px;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  background: var(--accent);
  left: 14%; top: 52%;
  animation: geoSpinX 22s linear infinite reverse, geoDrift3 28s ease-in-out infinite;
}
.g4 {
  width: 100px; height: 100px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: var(--accent-2);
  right: 6%; bottom: 12%;
  animation: geoSpinZ 38s linear infinite, geoDrift1 30s ease-in-out infinite reverse;
}
.g5 {
  width: 55px; height: 55px;
  border-radius: 50%;
  background: var(--accent);
  right: 22%; top: 42%;
  animation: geoSpinY 20s linear infinite, geoDrift2 22s ease-in-out infinite;
}
.g6 {
  width: 80px; height: 80px;
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  background: var(--accent);
  left: 22%; bottom: 18%;
  animation: geoSpinZ 28s linear infinite reverse, geoDrift3 26s ease-in-out infinite;
}
.g7 {
  width: 45px; height: 45px;
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  background: var(--accent-2);
  right: 35%; bottom: 8%;
  animation: geoSpinX 18s linear infinite, geoDrift1 18s ease-in-out infinite;
}

/* ── Volumes 3D (cube, sphère, cône) ── */
.geo3d { position: absolute; opacity: .08; will-change: transform; backface-visibility: visible; }
.geo-cube { --s: 30px; width: calc(var(--s) * 2); height: calc(var(--s) * 2); transform-style: preserve-3d; animation: var(--spin, cubeSpinA) var(--dur, 26s) linear infinite var(--rev, normal); }
.geo-cube i {
  position: absolute; inset: 0;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 55%, transparent);
}
.geo-cube i:nth-child(1) { transform: translateZ(var(--s)); }
.geo-cube i:nth-child(2) { transform: rotateY(180deg) translateZ(var(--s)); }
.geo-cube i:nth-child(3) { transform: rotateY(90deg) translateZ(var(--s)); }
.geo-cube i:nth-child(4) { transform: rotateY(-90deg) translateZ(var(--s)); }
.geo-cube i:nth-child(5) { transform: rotateX(90deg) translateZ(var(--s)); }
.geo-cube i:nth-child(6) { transform: rotateX(-90deg) translateZ(var(--s)); }
.c1 { --s: 34px; left: 58%; top: 50%; animation: cubeSpinA 26s linear infinite; }
.c2 { --s: 22px; left: 8%; top: 68%; animation: cubeSpinB 34s linear infinite reverse; }
.geo-sphere {
  border-radius: 50%;
  background: radial-gradient(closest-side at 34% 30%, #8cebd8, #35b49c 44%, #1c6b5b 70%, #0d4438 100%);
  box-shadow: inset -8px -10px 20px rgba(0,0,0,.45), 0 3px 14px rgba(0,0,0,.35);
  animation: var(--bob, sphereBob) var(--durb, 8s) ease-in-out var(--delayb, 0s) infinite;
}
.s1 { width: 72px; height: 72px; left: 30%; top: 10%; animation: sphereBob 7.5s ease-in-out infinite; }
.s2 { width: 44px; height: 44px; right: 14%; top: 58%; animation: sphereBob 10s ease-in-out 1.2s infinite; }
.geo-cone {
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  background: linear-gradient(90deg, #0d4438, #35b49c 55%, #0b4035);
  animation: var(--sway, coneSpin) var(--durc, 9s) ease-in-out infinite;
}
.k1 { width: 88px; height: 110px; right: 27%; bottom: 6%; animation: coneSpin 9s ease-in-out infinite; }
.geo-torus {
  border-radius: 50%;
  border: 10px solid color-mix(in srgb, var(--accent) 60%, transparent);
  box-shadow: 0 0 22px color-mix(in srgb, var(--accent) 25%, transparent);
  animation: var(--tspin, torusSpin) var(--tdur, 16s) linear infinite;
}
.geo-pyramid {
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  background: linear-gradient(90deg, #0b4035, #e7c46a 55%, #0d4438);
  animation: var(--pspin, pyramidSpin) var(--pdur, 21s) linear infinite;
}

@keyframes cubeSpinA { from { transform: rotateX(-10deg) rotateY(0deg); } to { transform: rotateX(350deg) rotateY(360deg); } }
@keyframes cubeSpinB { from { transform: rotateY(0deg) rotateZ(-8deg); } to { transform: rotateY(360deg) rotateZ(352deg); } }
@keyframes sphereBob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-24px); } }
@keyframes coneSpin { 0%, 100% { transform: rotateX(12deg) rotateY(-8deg); } 50% { transform: rotateX(-10deg) rotateY(10deg); } }
@keyframes torusSpin { from { transform: rotateX(72deg) rotateZ(0deg); } to { transform: rotateX(72deg) rotateZ(360deg); } }
@keyframes pyramidSpin { from { transform: rotateY(0deg) rotateX(22deg); } to { transform: rotateY(360deg) rotateX(22deg); } }

@keyframes geoSpinX { from { transform: rotateX(0) rotateZ(15deg); } to { transform: rotateX(360deg) rotateZ(15deg); } }
@keyframes geoSpinY { from { transform: rotateY(0) rotateX(10deg); } to { transform: rotateY(360deg) rotateX(10deg); } }
@keyframes geoSpinZ { from { transform: rotateZ(0) rotateY(8deg); } to { transform: rotateZ(360deg) rotateY(8deg); } }
@keyframes geoDrift1 { 0%,100% { translate: 0 0; } 33% { translate: 30px -25px; } 66% { translate: -18px 12px; } }
@keyframes geoDrift2 { 0%,100% { translate: 0 0; } 40% { translate: -22px 18px; } 80% { translate: 14px -28px; } }
@keyframes geoDrift3 { 0%,100% { translate: 0 0; } 50% { translate: 16px 22px; } }

@media (prefers-reduced-motion: reduce) {
  .g, .geo3d { animation: none !important; }
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: #4fd3ba; text-decoration: underline; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 12px; padding-bottom: 12px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.brand:hover { text-decoration: none; color: var(--text); }
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
}
.brand-geo { display: block; }
.brand-geo-ring polygon,
.brand-geo-core polygon { stroke: var(--accent); stroke-width: 1.7; stroke-linejoin: round; }
.brand-geo-core polygon { fill: var(--accent); }
.brand-geo-dot { fill: var(--accent-2); }
.brand-geo-ring { transform-box: fill-box; transform-origin: center; }
.brand-geo-core { transform-box: fill-box; transform-origin: center; }
.brand-geo-orbit { transform-box: view-box; transform-origin: 50% 50%; }
.brand-geo-ring { animation: brandGeoSpin 12s linear infinite; }
.brand-geo-core { animation: brandGeoSpinRev 18s ease-in-out infinite; }
.brand-geo-orbit { animation: brandGeoSpin 4s linear infinite; }
@keyframes brandGeoSpin { to { transform: rotate(360deg); } }
@keyframes brandGeoSpinRev { to { transform: rotate(-360deg); } }
@media (prefers-reduced-motion: reduce) {
  .brand-geo-ring, .brand-geo-core, .brand-geo-orbit { animation: none; }
}
.brand-name { font-size: 15px; letter-spacing: .2px; }
.brand-name strong { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.main-nav a { color: var(--muted); font-size: 13px; }
.main-nav a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  padding: 6px 14px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent) !important;
}
.nav-cta:hover { background: color-mix(in srgb, var(--accent) 15%, transparent); }

/* Hero */
.hero { padding: 72px 0 56px; text-align: center; }
.hero-badge {
  display: inline-block;
  padding: 5px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent-2);
  font-size: 12px;
  letter-spacing: .4px;
  margin-bottom: 18px;
}
.hero h1 {
  margin: 0 auto 14px;
  max-width: 760px;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.15;
  letter-spacing: -.5px;
}
.hero-sub {
  margin: 0 auto 30px;
  max-width: 640px;
  color: var(--muted);
  font-size: 16px;
}
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin: 22px 0 0; font-size: 12px; color: var(--muted); }

/* Boutons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  transition: transform .12s ease, background .12s ease, box-shadow .12s ease;
  text-decoration: none !important;
}
.btn-primary {
  background: var(--accent);
  color: #07100e;
  box-shadow: 0 6px 20px color-mix(in srgb, var(--accent) 35%, transparent);
}
.btn-primary:hover { background: #41c7ad; color: #07100e; transform: translateY(-1px); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { background: var(--panel-2); color: var(--text); }

/* Sections génériques */
.section { padding: 56px 0; }
.section-alt { background: color-mix(in srgb, var(--panel) 55%, transparent); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section h2 { text-align: center; font-size: clamp(22px, 3.4vw, 30px); letter-spacing: -.3px; margin: 0 0 36px; }

/* Grille features */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}
.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.section-intro {
  max-width: 720px;
  margin: 0 auto 32px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
}
.card-icon { font-size: 24px; }
.card h3 { margin: 10px 0 6px; font-size: 16px; color: var(--accent); }
.card p { margin: 0; font-size: 13px; color: var(--muted); }

/* Pipeline */
.steps { list-style: none; margin: 0 auto; padding: 0; max-width: 620px; display: grid; gap: 10px; }
.steps li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font-size: 14px;
}
.step-num {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #07100e;
  font-weight: 700;
  font-size: 13px;
}
.pipeline-cta { text-align: center; margin-top: 26px; }

/* CTA final */
.cta { text-align: center; }
.cta h2 { margin-bottom: 8px; }
.cta p { color: var(--muted); margin: 0 0 22px; }
.cta .hero-note { margin-top: 18px; }

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; display: grid; gap: 8px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  overflow: hidden;
}
.faq-item summary {
  padding: 14px 18px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  list-style: none;
  color: var(--text);
}
.faq-item summary::before {
  content: "+ ";
  color: var(--accent);
  font-weight: 700;
}
.faq-item[open] summary::before { content: "− "; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p {
  margin: 0;
  padding: 0 18px 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-bottom: 20px; }
.footer-inner p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.footer-legal { padding-bottom: 20px; font-size: 11px; color: var(--muted); }

@media (max-width: 640px) {
  .hero { padding: 48px 0 40px; }
  .header-inner { flex-direction: column; }
}