/* ─────────────────────────────────────────────────────────────────────
   Briif — home.css
   Landing commerciale publique (/ pour non-loggés)
   Style : dark, premium, sobre. Cousin de landing.css mais plus "sales".
   ───────────────────────────────────────────────────────────────────── */

:root {
  --bg:      #0a0a0b;
  --bg2:     #111114;
  --bg3:     #18181c;
  --bg4:     #1f1f25;
  --border:  rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.14);
  --text:    #e8e6e0;
  --muted:   #6b6966;
  --muted2:  #9a9590;
  --gold:    #c4bfb1;
  --gold2:   #e8e3d7;
  --gold-soft: rgba(255, 255, 255,0.12);
  --red:     #c94c4c;
  --green:   #5fb47a;
  --mono:    'DM Mono', monospace;
  --serif:   'Instrument Serif', serif;
  --sans:    'DM Sans', sans-serif;
}

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

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── HEADER ──────────────────────────────────────────────────────────── */

.pub-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 5vw;
  background: rgba(10,10,11,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.pub-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pub-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px var(--gold);
  animation: pub-pulse 2.4s ease-in-out infinite;
}
@keyframes pub-pulse {
  0%,100% { box-shadow: 0 0 10px var(--gold); }
  50%     { box-shadow: 0 0 20px var(--gold2), 0 0 36px rgba(255, 255, 255,0.22); }
}

.pub-brand {
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: 0.01em;
}

.pub-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted2);
}
.pub-nav a { transition: color 0.2s; }
.pub-nav a:hover { color: var(--text); }

.pub-nav-login {
  padding: 8px 16px;
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--text) !important;
  transition: all 0.2s;
}
.pub-nav-login:hover {
  border-color: var(--gold);
  background: var(--gold-soft);
  color: var(--gold2) !important;
}

.pub-nav-atlas {
  color: var(--gold) !important;
  font-weight: 500;
}
.pub-nav-atlas::before {
  content: '🌍';
  margin-right: 0.35em;
}
.pub-nav-atlas:hover {
  color: var(--gold2) !important;
}

/* ── HERO ────────────────────────────────────────────────────────────── */

.pub-hero {
  padding: 80px 5vw 60px;
  max-width: 1400px;
  margin: 0 auto;
}

.pub-hero-inner {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.pub-badge {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  color: var(--gold2);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
  background: var(--gold-soft);
}

.pub-h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.pub-h1 em {
  font-style: italic;
  color: var(--gold2);
}

.pub-lead {
  font-size: 1.15rem;
  color: var(--muted2);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.65;
}
.pub-lead strong { color: var(--text); font-weight: 500; }
.pub-lead .pub-pos {
  display: block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--gold);
  letter-spacing: 0.03em;
}

.pub-cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.pub-cta-primary {
  display: inline-block;
  padding: 14px 28px;
  background: var(--gold);
  color: #111 !important;
  border: 1px solid var(--gold);
  border-radius: 8px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 0.2s;
}
.pub-cta-primary:hover {
  background: var(--gold2);
  border-color: var(--gold2);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(255, 255, 255,0.3);
}

.pub-cta-ghost {
  display: inline-block;
  padding: 14px 28px;
  background: transparent;
  color: var(--text) !important;
  border: 1px solid var(--border2);
  border-radius: 8px;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.95rem;
  transition: all 0.2s;
}
.pub-cta-ghost:hover {
  border-color: var(--text);
  background: var(--bg3);
}

.pub-cta-full {
  display: block;
  width: 100%;
  text-align: center;
  font-size: 1rem;
  padding: 16px 28px;
  border: none;
  cursor: pointer;
}

.pub-trust {
  display: flex;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.03em;
}
.pub-trust b { color: var(--gold); font-weight: 500; }

/* ── MOCKUP PRODUIT ──────────────────────────────────────────────────── */

.pub-mockup {
  max-width: 1100px;
  margin: 60px auto 0;
  padding: 0 5vw;
}

.pub-mockup-frame {
  border: 1px solid var(--border2);
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg2);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 0 1px var(--border);
}

.pub-mockup-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #0e0e11;
  border-bottom: 1px solid var(--border);
}

.pub-mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.pub-mockup-dot.r { background: #ff5f57; }
.pub-mockup-dot.y { background: #febc2e; }
.pub-mockup-dot.g { background: #28c840; }

.pub-mockup-url {
  margin-left: 14px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.pub-mockup-body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 18px;
}

.pub-mockup-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pub-mockup-col-head {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.pub-mockup-col-active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.pub-mockup-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.78rem;
  line-height: 1.45;
}
.pub-mockup-card p {
  color: var(--text);
  margin-top: 4px;
}

.pub-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--gold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pub-mockup-alert {
  border-color: rgba(201,76,76,0.3);
  background: rgba(201,76,76,0.06);
}
.pub-signal {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--red);
  letter-spacing: 0.06em;
}

.pub-mockup-caption {
  text-align: center;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}
.pub-mockup-caption a { color: var(--gold); }
.pub-mockup-caption a:hover { color: var(--gold2); }

/* ── SECTIONS ────────────────────────────────────────────────────────── */

.pub-section {
  padding: 100px 5vw;
  border-top: 1px solid var(--border);
}

.pub-section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.pub-eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.pub-h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 48px;
  max-width: 760px;
}

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

/* ── PROBLÈME ────────────────────────────────────────────────────────── */

.pub-pain {
  padding: 32px 28px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.25s;
}
.pub-pain:hover { border-color: var(--border2); }

.pub-pain-num {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}

.pub-pain h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.pub-pain p {
  color: var(--muted2);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ── SOLUTION ────────────────────────────────────────────────────────── */

.pub-solution { background: var(--bg2); }

.pub-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
}
.pub-feature:last-child { border-bottom: none; }

.pub-feature-alt .pub-feature-txt { order: 2; }
.pub-feature-alt .pub-feature-vis { order: 1; }

.pub-feature-num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.pub-feature h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.8rem;
  line-height: 1.2;
  margin-bottom: 18px;
}

.pub-feature p {
  color: var(--muted2);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.pub-feature p strong { color: var(--text); font-weight: 500; }

.pub-check {
  list-style: none;
  padding: 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--muted2);
}
.pub-check li {
  padding: 6px 0 6px 22px;
  position: relative;
}
.pub-check li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 600;
}

/* ── Visuels features ────────────────────────────────────────────────── */

.pub-feature-vis {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
  min-height: 280px;
}

.pub-vis-clusters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  align-content: center;
}
.pub-cluster {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted2);
  background: var(--bg2);
  transition: all 0.2s;
}
.pub-cluster:nth-child(3n+1) { color: var(--gold); border-color: rgba(255, 255, 255,0.3); }

.pub-vis-algo {
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
}
.pub-algo-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.82rem;
}
.pub-algo-row > span:first-child { font-size: 1.2rem; }
.pub-algo-row > span:last-child { color: var(--muted2); }

.pub-algo-bar {
  background: rgba(255,255,255,0.06);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
}
.pub-algo-bar > span {
  display: block;
  height: 100%;
  background: var(--gold);
}
.pub-algo-bar-neg > span { background: var(--red); }

.pub-vis-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.pub-mode {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.pub-mode-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.pub-mode-bars {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.pub-mode-bars span {
  height: 14px;
  background: var(--bg4);
  border-radius: 3px;
}
.pub-mode-bars span:nth-child(1) { width: 100%; }
.pub-mode-bars span:nth-child(2) { width: 82%; }
.pub-mode-bars span:nth-child(3) { width: 64%; }

.pub-mode-tv {
  background: linear-gradient(135deg, #1a1a20 0%, #0e0e11 100%);
  align-items: center;
  justify-content: center;
  text-align: center;
}
.pub-mode-tv-play {
  font-size: 3rem;
  color: var(--gold);
  opacity: 0.85;
}

/* ── WHO ─────────────────────────────────────────────────────────────── */

.pub-who-card {
  padding: 36px 28px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.pub-who-icon {
  font-size: 2.2rem;
  margin-bottom: 18px;
}

.pub-who-card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.pub-who-card p {
  color: var(--muted2);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── PRICING ─────────────────────────────────────────────────────────── */

.pub-pricing { background: var(--bg2); }

.pub-pricing-intro {
  color: var(--muted2);
  font-size: 1.05rem;
  max-width: 620px;
  margin-bottom: 48px;
  line-height: 1.65;
}
.pub-pricing-intro strong { color: var(--gold2); }

.pub-pricing-card {
  max-width: 480px;
  padding: 48px 40px;
  background: var(--bg3);
  border: 1px solid var(--gold);
  border-radius: 16px;
  position: relative;
  box-shadow: 0 20px 60px rgba(255, 255, 255,0.1);
}

.pub-pricing-badge {
  position: absolute;
  top: -14px;
  left: 40px;
  padding: 6px 14px;
  background: var(--gold);
  color: #111;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pub-pricing-name {
  font-family: var(--serif);
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.pub-pricing-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 6px;
}

.pub-pricing-amount {
  font-family: var(--serif);
  font-size: 3.6rem;
  color: var(--gold2);
  line-height: 1;
}

.pub-pricing-period {
  font-family: var(--mono);
  color: var(--muted2);
  font-size: 1rem;
}

.pub-pricing-strike {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: line-through;
  margin-bottom: 28px;
}

.pub-pricing-features {
  list-style: none;
  padding: 0;
  margin-bottom: 32px;
  font-size: 0.95rem;
  color: var(--text);
}
.pub-pricing-features li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.pub-pricing-features li:last-child { border-bottom: none; }

.pub-pricing-fine {
  text-align: center;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ── APPLY / FORMULAIRE ──────────────────────────────────────────────── */

.pub-apply-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.pub-apply-txt p {
  color: var(--muted2);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 18px;
}
.pub-apply-txt p strong { color: var(--text); }

.pub-apply-sign {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--gold2) !important;
  margin-top: 32px !important;
}

.pub-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 36px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.pub-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pub-form label span {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted2);
  letter-spacing: 0.02em;
}
.pub-form label em {
  color: var(--gold);
  font-style: normal;
}

.pub-form input,
.pub-form select,
.pub-form textarea {
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.95rem;
  transition: border-color 0.15s;
}
.pub-form input:focus,
.pub-form select:focus,
.pub-form textarea:focus {
  outline: none;
  border-color: var(--gold);
}
.pub-form textarea {
  resize: vertical;
  min-height: 80px;
  font-family: var(--sans);
}

.pub-form-msg {
  text-align: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  min-height: 1em;
}
.pub-form-msg.ok { color: var(--green); }
.pub-form-msg.err { color: var(--red); }

/* ── FAQ ─────────────────────────────────────────────────────────────── */

.pub-faq-item {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.pub-faq-item:last-child { border-bottom: 1px solid var(--border); }

.pub-faq-item summary {
  cursor: pointer;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 400;
  padding: 6px 0;
  list-style: none;
  position: relative;
  padding-right: 32px;
  transition: color 0.2s;
}
.pub-faq-item summary::-webkit-details-marker { display: none; }
.pub-faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 1.5rem;
  color: var(--gold);
  transition: transform 0.25s;
}
.pub-faq-item[open] summary::after {
  content: '−';
}
.pub-faq-item summary:hover { color: var(--gold2); }

.pub-faq-item p {
  padding: 14px 0 4px;
  color: var(--muted2);
  font-size: 0.98rem;
  line-height: 1.7;
}
.pub-faq-item p strong { color: var(--text); }

/* ── FOOTER ──────────────────────────────────────────────────────────── */

.pub-footer {
  padding: 40px 5vw;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.pub-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.pub-footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pub-footer-meta {
  display: flex;
  gap: 24px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}
.pub-footer-meta a { transition: color 0.2s; }
.pub-footer-meta a:hover { color: var(--gold); }

/* ── RESPONSIVE TABLETTE ─────────────────────────────────────────────── */

@media (max-width: 960px) {
  .pub-grid-3 { grid-template-columns: 1fr; gap: 16px; }
  .pub-feature {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0;
  }
  .pub-feature-alt .pub-feature-txt { order: 1; }
  .pub-feature-alt .pub-feature-vis { order: 2; }
  .pub-apply-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .pub-mockup-body { grid-template-columns: 1fr; }
  .pub-mockup-col { display: none; }
  .pub-mockup-col:nth-child(2) { display: flex; }
}

/* ── RESPONSIVE MOBILE ───────────────────────────────────────────────── */

@media (max-width: 640px) {
  .pub-header { padding: 14px 5vw; }
  .pub-nav { gap: 14px; }
  /* Mobile : on garde Connexion + Atlas visibles, on cache Produit/Prix/FAQ */
  .pub-nav a:not(.pub-nav-login):not(.pub-nav-atlas) { display: none; }

  .pub-hero { padding: 48px 5vw 32px; }
  .pub-h1 { font-size: 2.4rem; }
  .pub-lead { font-size: 1rem; }
  .pub-trust { gap: 16px; font-size: 0.7rem; }

  .pub-section { padding: 60px 5vw; }
  .pub-h2 { font-size: 1.9rem; margin-bottom: 32px; }

  .pub-pain,
  .pub-who-card { padding: 24px 22px; }

  .pub-feature-vis { padding: 20px; min-height: 220px; }
  .pub-feature h3 { font-size: 1.4rem; }

  .pub-pricing-card { padding: 36px 24px; }
  .pub-pricing-amount { font-size: 2.8rem; }

  .pub-form { padding: 24px 20px; }

  .pub-footer-inner {
    flex-direction: column;
    text-align: center;
  }
}