/* ═══════════════════════════════════════════════════════════
   MNEMO — Landing Page CSS
   Design system : dark terminal, JetBrains Mono + Syne
   ═══════════════════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg:      #07070d;
  --surface: #0f0f18;
  --s2:      #161622;
  --border:  #23233a;
  --a1:      #7c6af7;  /* violet   */
  --a2:      #4ecdc4;  /* teal     */
  --a3:      #f7b731;  /* amber    */
  --a4:      #ff6b6b;  /* red      */
  --a5:      #a8e063;  /* green    */
  --a6:      #f97af9;  /* pink     */
  --text:    #e8e8f0;
  --muted:   #6b6b85;
  --dimmed:  #3a3a55;
  --mono:    'JetBrains Mono', monospace;
  --display: 'Syne', sans-serif;
}

/* ── Reset & base ───────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 9999; opacity: 0.4;
}

/* ── Navigation ─────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px; height: 60px;
  background: rgba(7,7,13,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.nav-logo {
  font-family: var(--display); font-weight: 800; font-size: 1.1rem;
  background: linear-gradient(135deg, var(--a1), var(--a6));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-badge {
  font-size: 0.6rem; padding: 3px 10px; border-radius: 20px;
  background: rgba(249,122,249,0.15);
  border: 1px solid rgba(249,122,249,0.3);
  color: var(--a6); letter-spacing: 0.08em;
}

/* ── Section wrapper (shared) ───────────────────────────────── */
.section-inner {
  max-width: 1100px; margin: 0 auto; padding: 100px 40px;
}
.section-label {
  font-size: 0.6rem; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--a1); margin-bottom: 12px; display: block;
}
.section-title {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 16px;
}
.section-desc {
  font-size: 0.8rem; color: var(--muted);
  max-width: 560px; line-height: 1.9;
}
.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
}
.alt-bg { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 100px 40px 80px;
  position: relative; overflow: hidden;
}
.hero-orbs { position: absolute; inset: 0; pointer-events: none; }
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(90px); opacity: 0.15;
  animation: pulse 8s ease-in-out infinite;
}
.orb1 { width: 500px; height: 500px; background: var(--a1); top: -100px; left: -100px; animation-delay: 0s; }
.orb2 { width: 400px; height: 400px; background: var(--a6); bottom: -80px; right: -80px; animation-delay: 3s; }
.orb3 { width: 300px; height: 300px; background: var(--a2); top: 40%; left: 60%; animation-delay: 6s; }
@keyframes pulse {
  0%, 100% { transform: scale(1) translate(0,0); opacity: 0.12; }
  50%       { transform: scale(1.15) translate(20px,-20px); opacity: 0.2; }
}
.hero-eyebrow {
  font-size: 0.65rem; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--a6); margin-bottom: 20px;
  animation: fadeUp 0.8s ease both;
}
.hero-title {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(3rem, 10vw, 7rem);
  line-height: 0.95; letter-spacing: -0.04em; margin-bottom: 16px;
  animation: fadeUp 0.8s ease 0.1s both;
}
.hero-title .line1 { display: block; color: var(--text); }
.hero-title .line2 {
  display: block;
  background: linear-gradient(135deg, var(--a1) 0%, var(--a6) 50%, var(--a2) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  font-family: 'Instrument Serif', serif; font-style: italic; font-size: 1.1em;
}
.hero-sub {
  font-size: 0.85rem; color: var(--muted);
  max-width: 520px; line-height: 1.8;
  margin: 0 auto 36px; animation: fadeUp 0.8s ease 0.2s both;
}
.hero-stats {
  display: flex; gap: 16px; justify-content: center;
  flex-wrap: wrap; animation: fadeUp 0.8s ease 0.4s both;
}
.hstat {
  display: flex; flex-direction: column; align-items: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 28px; gap: 4px; backdrop-filter: blur(8px);
}
.hstat-num {
  font-family: var(--display); font-size: 1.8rem; font-weight: 800;
  background: linear-gradient(135deg, var(--a1), var(--a6));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hstat-label {
  font-size: 0.58rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
}

/* ── Generic card system ────────────────────────────────────── */
/*
 * Chaque card reçoit --cc (accent color) et --cb (border color).
 * Cela remplace les 6 variantes dupliquées précédentes.
 */
.g-grid-2  { display: grid; grid-template-columns: 1fr 1fr;       gap: 10px; margin-top: 40px; }
.g-grid-3  { display: grid; grid-template-columns: 1fr 1fr 1fr;   gap: 10px; margin-top: 40px; }
.g-grid-4  { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; margin-top: 40px; }

.card {
  --cc: var(--a1);
  --cb: rgba(124,106,247,0.2);
  background: var(--surface);
  border: 1px solid var(--cb);
  border-radius: 12px; padding: 24px;
  position: relative; overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-2px); border-color: var(--cc); }
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(to right, var(--cc), transparent);
}
/* Couleurs prédéfinies */
.c-violet { --cc: var(--a1); --cb: rgba(124,106,247,0.2); }
.c-teal   { --cc: var(--a2); --cb: rgba(78,205,196,0.2);  }
.c-amber  { --cc: var(--a3); --cb: rgba(247,183,49,0.2);  }
.c-red    { --cc: var(--a4); --cb: rgba(255,107,107,0.2); }
.c-green  { --cc: var(--a5); --cb: rgba(168,224,99,0.2);  }
.c-pink   { --cc: var(--a6); --cb: rgba(249,122,249,0.2); }
.c-bg     { background: var(--bg); }

.card-badge {
  font-size: 0.55rem; padding: 2px 8px; border-radius: 4px;
  letter-spacing: 0.08em; margin-bottom: 12px; display: inline-block;
  background: rgba(from var(--cc) r g b / 0.12);
  border: 1px solid rgba(from var(--cc) r g b / 0.3);
  color: var(--cc);
}
/* Fallback (rgba from non supporté partout) */
.c-violet .card-badge { background: rgba(124,106,247,0.12); border-color: rgba(124,106,247,0.3); color: var(--a1); }
.c-teal   .card-badge { background: rgba(78,205,196,0.12);  border-color: rgba(78,205,196,0.3);  color: var(--a2); }
.c-amber  .card-badge { background: rgba(247,183,49,0.12);  border-color: rgba(247,183,49,0.3);  color: var(--a3); }
.c-red    .card-badge { background: rgba(255,107,107,0.12); border-color: rgba(255,107,107,0.3); color: var(--a4); }
.c-green  .card-badge { background: rgba(168,224,99,0.12);  border-color: rgba(168,224,99,0.3);  color: var(--a5); }
.c-pink   .card-badge { background: rgba(249,122,249,0.12); border-color: rgba(249,122,249,0.3); color: var(--a6); }

.card-title { font-family: var(--display); font-weight: 700; font-size: 0.85rem; margin-bottom: 8px; color: var(--cc); }
.card-body  { font-size: 0.67rem; color: var(--muted); line-height: 1.75; }
.card-body code { font-size: 0.63rem; color: var(--a5); background: var(--s2); padding: 1px 5px; border-radius: 3px; }
.card-fix   { font-size: 0.65rem; color: var(--a5); line-height: 1.6; margin-top: 8px; }
.card-fix::before { content: '→ '; }

/* ── Philosophy pillars ─────────────────────────────────────── */
.phil-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
  margin-top: 60px; border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
}
.phil-card {
  padding: 40px; background: var(--surface);
  transition: background 0.3s;
}
.phil-card:hover { background: var(--s2); }
.phil-icon { font-size: 1.8rem; margin-bottom: 16px; }
.phil-card-title { font-family: var(--display); font-weight: 700; font-size: 1rem; margin-bottom: 10px; }
.phil-card-desc  { font-size: 0.72rem; color: var(--muted); line-height: 1.8; }
.phil-card:nth-child(1) { border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); }
.phil-card:nth-child(1) .phil-card-title { color: var(--a1); }
.phil-card:nth-child(2) { border-bottom: 1px solid var(--border); }
.phil-card:nth-child(2) .phil-card-title { color: var(--a2); }
.phil-card:nth-child(3) { border-right: 1px solid var(--border); }
.phil-card:nth-child(3) .phil-card-title { color: var(--a3); }
.phil-card:nth-child(4) .phil-card-title { color: var(--a6); }

/* ── Memory layers ──────────────────────────────────────────── */
.mem-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-top: 50px;
}
.rrf-banner {
  margin-top: 12px; padding: 18px 24px;
  background: var(--s2); border: 1px solid var(--border); border-radius: 12px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.rrf-title { font-family: var(--display); font-weight: 700; font-size: 0.8rem; color: var(--a2); }
.rrf-flow  { display: flex; align-items: center; gap: 8px; font-size: 0.62rem; color: var(--muted); flex-wrap: wrap; }
.rrf-step  { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 3px 10px; white-space: nowrap; }
.rrf-sep   { color: var(--a2); }

/* ── Pipeline flow ──────────────────────────────────────────── */
.pipeline-flow {
  display: flex; align-items: stretch; gap: 0;
  margin-top: 60px; border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
}
.pf-step {
  flex: 1; padding: 28px 18px; border-right: 1px solid var(--border);
  background: var(--bg); transition: background 0.2s;
}
.pf-step:last-child { border-right: none; }
.pf-step:hover { background: var(--s2); }
.pf-num {
  font-family: var(--display); font-size: 2.5rem; font-weight: 800;
  color: var(--border); margin-bottom: 12px; line-height: 1;
}
.pf-title { font-family: var(--display); font-weight: 700; font-size: 0.8rem; margin-bottom: 8px; }
.pf-desc  { font-size: 0.63rem; color: var(--muted); line-height: 1.7; }
.pf-tags  { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 12px; }
.pf-tag   { font-size: 0.56rem; padding: 2px 6px; border-radius: 4px; background: var(--s2); border: 1px solid var(--border); color: var(--muted); }
.pf-step:nth-child(1) .pf-num, .pf-step:nth-child(1) .pf-title { color: var(--a1); }
.pf-step:nth-child(2) .pf-num, .pf-step:nth-child(2) .pf-title { color: var(--a3); }
.pf-step:nth-child(3) .pf-num, .pf-step:nth-child(3) .pf-title { color: var(--a2); }
.pf-step:nth-child(4) .pf-num, .pf-step:nth-child(4) .pf-title { color: var(--a6); }
.pf-step:nth-child(5) .pf-num, .pf-step:nth-child(5) .pf-title { color: var(--a5); }

/* ── Crews grid ─────────────────────────────────────────────── */
.crews-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 50px;
}
.crew-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 22px; transition: border-color 0.2s;
}
.crew-card:hover { border-color: var(--dimmed); }
.crew-trigger { font-size: 0.55rem; color: var(--muted); letter-spacing: 0.08em; margin-bottom: 8px; display: block; }
.crew-name { font-family: var(--display); font-weight: 700; font-size: 0.85rem; margin-bottom: 6px; }
.crew-desc { font-size: 0.65rem; color: var(--muted); line-height: 1.6; }
.crew-card.active { border-color: rgba(249,122,249,0.3); }
.crew-card.active .crew-name { color: var(--a6); }
.crew-card.stub  { opacity: 0.55; }
.crew-card.stub  .crew-name { color: var(--dimmed); }

/* ── Roadmap ────────────────────────────────────────────────── */
.roadmap-track {
  display: flex; grid-template-columns: repeat(5, 1fr); gap: 2px;
  margin-top: 60px; border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
  width: fit-content
}
.rm-phase {
  padding: 36px 24px; background: var(--surface);
  position: relative; border-right: 1px solid var(--border);
}
.rm-phase:last-child { border-right: none; }
.rm-status { font-size: 0.6rem; letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 12px; display: block; }
.rm-done   .rm-status { color: var(--a5); }
.rm-active .rm-status { color: var(--a6); }
.rm-next   .rm-status { color: var(--dimmed); }
.rm-phase-num { font-family: var(--display); font-size: 3rem; font-weight: 800; line-height: 1; margin-bottom: 10px; opacity: 0.25; }
.rm-done   .rm-phase-num { color: var(--a5); }
.rm-active .rm-phase-num { color: var(--a6); }
.rm-next   .rm-phase-num { color: var(--dimmed); opacity: 0.12; }
.rm-title { font-family: var(--display); font-weight: 700; font-size: 0.9rem; margin-bottom: 12px; }
.rm-done   .rm-title { color: var(--a5); }
.rm-active .rm-title { color: var(--a6); }
.rm-next   .rm-title { color: var(--dimmed); }
.rm-items { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.rm-items li { font-size: 0.65rem; color: var(--muted); display: flex; gap: 8px; align-items: flex-start; }
.rm-items li::before { content: '·'; color: var(--dimmed); flex-shrink: 0; }
.rm-done   .rm-items li::before         { content: '✓'; color: var(--a5); }
.rm-active .rm-items li.done::before    { content: '✓'; color: var(--a5); }
.rm-active .rm-items li.wip::before     { content: '◐'; color: var(--a6); }
.rm-active .rm-items li.pending::before { content: '·'; color: var(--dimmed); }

/* ── Patch note (session log) ───────────────────────────────── */
.pn-header {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; margin-bottom: 32px;
}
.pn-date {
  font-size: 0.65rem; color: var(--muted); letter-spacing: 0.1em;
}
.pn-tag {
  font-size: 0.6rem; padding: 3px 12px; border-radius: 20px;
  background: rgba(168,224,99,0.12);
  border: 1px solid rgba(168,224,99,0.3);
  color: var(--a5); letter-spacing: 0.08em;
}
.pn-stats {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 1px;
  background: var(--border); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden; margin-bottom: 28px;
}
.pn-stat {
  background: var(--bg); padding: 20px; text-align: center;
  transition: background 0.2s;
}
.pn-stat:hover { background: var(--s2); }
.pn-stat-n { font-family: var(--display); font-size: 2rem; font-weight: 800; color: var(--a5); display: block; }
.pn-stat-l { font-size: 0.58rem; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 4px; display: block; }

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  text-align: center; padding: 60px 40px;
  border-top: 1px solid var(--border);
}
.footer-logo {
  font-family: var(--display); font-weight: 800; font-size: 1.5rem;
  background: linear-gradient(135deg, var(--a1), var(--a6));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
}
.footer-sub  { font-size: 0.68rem; color: var(--muted); }
.footer-stack { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 20px; }
.fs-tag {
  font-size: 0.6rem; padding: 2px 10px; border-radius: 4px;
  background: var(--surface); border: 1px solid var(--border); color: var(--muted);
}

/* ── Animations & utilities ─────────────────────────────────── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links, .nav-badge { display: none; }
  .section-inner { padding: 70px 20px; }
  .g-grid-2, .g-grid-3, .g-grid-4,
  .phil-grid, .mem-grid, .crews-grid { grid-template-columns: 1fr; }
  .pipeline-flow { flex-direction: column; }
  .roadmap-track { grid-template-columns: 1fr 1fr; }
  .pn-stats { grid-template-columns: 1fr 1fr; }
  .roadmap-track{
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width:100%;
    margin: 0 auto;
  }
  .rm-phase{
    width: min(100%, 400px);   
    justify-content: center; 
    align-items: center;

  }
  .rm-items{
    display: flex;
    flex-direction: column;
    align-items: left;
    padding-left: 10px;
  }
  .rm-items li{
    width: max-content;
    align-items: left;
  }
}