/* ================================================================
   D-POAF Platform · Premium Landing · main.css
   Design: "Precision Dark" — obsidian + cyan/blue electric
   Fonts : Syne (display) · DM Sans (body) · JetBrains Mono (mono)
   Approach: MOBILE-FIRST — base = mobile, scale up with min-width
   ================================================================ */

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   DESIGN TOKENS
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
:root {
  /* Canvas */
  --bg:        #060811;
  --bg-1:      #0b0f1e;
  --bg-2:      #0f1428;

  /* Surfaces */
  --s1:        rgba(255,255,255,.032);
  --s2:        rgba(255,255,255,.020);
  --s3:        rgba(255,255,255,.010);

  /* Borders */
  --b1:        rgba(255,255,255,.08);
  --b2:        rgba(255,255,255,.05);
  --b3:        rgba(255,255,255,.025);

  /* Brand */
  --blue:      #5b8aff;
  --blue-g:    rgba(91,138,255,.22);
  --blue-s:    rgba(91,138,255,.10);
  --cyan:      #22d3ee;
  --cyan-s:    rgba(34,211,238,.12);
  --violet:    #8b5cf6;
  --violet-s:  rgba(139,92,246,.14);
  --gold:      #f0b429;

  /* Text */
  --t1:        #eef2ff;
  --t2:        #b8c6e0;
  --t3:        #7a8da8;
  --t4:        #4a5772;

  /* Shadows */
  --sh-xl:  0 40px 100px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.04);
  --sh-lg:  0 24px 64px  rgba(0,0,0,.45);
  --sh-md:  0 12px 36px  rgba(0,0,0,.35);

  /* Radius */
  --r-2xl: 28px;
  --r-xl:  20px;
  --r-lg:  16px;
  --r-md:  12px;
  --r-sm:  8px;
  --r-xs:  5px;

  /* Nav height */
  --nav-h: 64px;

  /* Fonts */
  --f-head: 'Syne', system-ui, sans-serif;
  --f-body: 'DM Sans', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Gutter */
  --gutter: 20px;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   RESET
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f-body);
  background: var(--bg);
  color: var(--t1);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  font-size: 1rem;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   CANVAS BG
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.lc-wrap {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
#langchain-bg { width: 100%; height: 100%; }
.langchain-fade {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 110% 55% at 50% 0%,
      rgba(6,8,17,.08) 0%,
      rgba(6,8,17,.65) 52%,
      rgba(6,8,17,.97) 100%);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   LAYOUT
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.container {
  width: min(1280px, 100% - var(--gutter) * 2);
  margin-inline: auto;
}
.section      { position: relative; z-index: 1; padding: 72px 0; }
.section-sm   { position: relative; z-index: 1; padding: 48px 0; }
main, header, footer { position: relative; z-index: 1; }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   TYPOGRAPHY
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.eyebrow {
  font-family: var(--f-mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
  display: block;
  margin-bottom: 14px;
}

h1 {
  font-family: var(--f-head);
  font-weight: 800;
  font-size: clamp(2.2rem, 8vw, 4rem);
  line-height: 1.08;
  letter-spacing: -.03em;
  color: var(--t1);
}

h2 {
  font-family: var(--f-head);
  font-weight: 700;
  font-size: clamp(1.7rem, 5vw, 2.8rem);
  line-height: 1.14;
  letter-spacing: -.025em;
  color: var(--t1);
}

h3 {
  font-family: var(--f-head);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
  line-height: 1.28;
  letter-spacing: -.018em;
  color: var(--t1);
}

p { color: var(--t2); line-height: 1.74; }

.gradient-text {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 55%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   BUTTONS — mobile-first touch targets
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--f-body);
  font-weight: 600;
  font-size: .95rem;
  padding: 14px 24px;
  min-height: 48px;           /* touch target */
  border-radius: 100px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: transform .18s, box-shadow .18s, background .18s;
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, #4270ff 55%, var(--violet) 100%);
  color: #fff;
  box-shadow: 0 0 0 1px rgba(91,138,255,.3), 0 8px 28px rgba(91,138,255,.28);
}
.btn-primary:hover  { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(91,138,255,.4), 0 14px 40px rgba(91,138,255,.36); }
.btn-primary:active { transform: scale(.97); }

.btn-secondary {
  background: var(--s1);
  color: var(--t2);
  border: 1px solid var(--b1);
  backdrop-filter: blur(12px);
}
.btn-secondary:hover  { background: var(--s2); color: var(--t1); border-color: rgba(255,255,255,.12); transform: translateY(-1px); }
.btn-secondary:active { transform: scale(.97); }

.btn-sm  { padding: 10px 18px; font-size: .85rem; min-height: 40px; }
.btn-lg  { padding: 16px 32px; font-size: 1rem;   min-height: 52px; }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   HEADER / NAV — mobile-first
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(6,8,17,.78);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid var(--b3);
  transition: background .3s;
}
.site-header.scrolled { background: rgba(6,8,17,.95); }

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo {
  display: block;            /* supprime l'espace inline/baseline */
  width: 50px;               /* header icon size */
  height: 50px;
  flex: 0 0 22px;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 0 10px rgba(34, 211, 238, .16));
}

.brand-logo-footer {
  display: block;            /* idem */
  width: 40px;
  height: 40px;
  flex: 0 0 18px;
  object-fit: contain;
  object-position: center;
  opacity: .96;
}

.brand-mark {
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -.04em;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand-sub {
  font-family: var(--f-body);
  font-weight: 400;
  font-size: .8rem;
  color: var(--t3);
}
.brand-badge {
  font-family: var(--f-mono);
  font-size: .65rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-s);
  border: 1px solid rgba(34,211,238,.2);
  border-radius: 4px;
  padding: 2px 7px;
}

/* Desktop nav links — hidden on mobile */
.nav { display: none; }

/* Spacer */
.nav-space { flex: 1; }

/* Nav CTA on mobile: just the primary button */
.nav-cta-ghost { display: none; }

/* Hamburger */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--b1);
  border-radius: var(--r-sm);
  cursor: pointer;
  gap: 5px;
  transition: background .15s, border-color .15s;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}
.nav-toggle:hover { background: var(--s1); }
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--t2);
  border-radius: 2px;
  transform-origin: center;
  transition: transform .24s ease, opacity .18s;
}

/* Mobile drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  z-index: 99;
  background: rgba(6,8,17,.97);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  flex-direction: column;
  padding: 20px var(--gutter) 32px;
  gap: 4px;
  border-top: 1px solid var(--b2);
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: var(--f-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--t2);
  padding: 14px 16px;
  border-radius: var(--r-md);
  transition: background .14s, color .14s;
}
.mobile-nav a:hover { background: var(--s1); color: var(--t1); }
.mobile-nav .btn { margin-top: 8px; }

/* ≥ 768px: show desktop nav */
@media (min-width: 768px) {
  :root { --nav-h: 70px; --gutter: 24px; }
  .nav {
    display: flex;
    align-items: center;
    gap: 2px;
  }
  .nav a {
    font-size: .88rem;
    font-weight: 500;
    color: var(--t3);
    padding: 8px 13px;
    border-radius: 9px;
    transition: color .15s, background .15s;
  }
  .nav a:hover { color: var(--t1); background: rgba(255,255,255,.04); }
  .nav-cta-ghost { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   HERO — mobile-first
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.hero {
  position: relative;
  z-index: 1;
  padding: 64px 0 72px;
}

.hero-layout {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.hero-copy { max-width: 100%; }
.hero h1   { margin-bottom: 20px; }

.hero-subtitle {
  font-size: 1.08rem;
  line-height: 1.76;
  color: var(--t2);
  margin-bottom: 32px;
  max-width: 56ch;
}

.cta-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.cta-row .btn { width: 100%; }

.meta-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  min-height: 34px;
  background: var(--blue-s);
  border: 1px solid rgba(91,138,255,.22);
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--blue);
}

.hero-note {
  font-size: .88rem;
  color: var(--t3);
  margin: 0;
}

/* Hero preview card */
.hero-preview {
  background: var(--s1);
  border: 1px solid var(--b1);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-xl);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
}

.preview-topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--b2);
  background: rgba(255,255,255,.015);
}

.tb-dots { display: flex; gap: 5px; }
.tb-dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,.12);
}
.tb-dots span:nth-child(1) { background: #ff5f57; }
.tb-dots span:nth-child(2) { background: #febc2e; }
.tb-dots span:nth-child(3) { background: #28c840; }

.tb-label {
  font-family: var(--f-mono);
  font-size: .72rem;
  color: var(--t3);
  flex: 1;
  text-align: center;
}

.tb-badge {
  font-family: var(--f-mono);
  font-size: .65rem;
  padding: 2px 8px;
  background: rgba(240,180,41,.12);
  color: var(--gold);
  border: 1px solid rgba(240,180,41,.22);
  border-radius: 4px;
  white-space: nowrap;
}

/* Console terminal */
.preview-console {
  padding: 14px;
  display: grid;
  gap: 10px;
}

.console-terminal {
  background: rgba(4,5,16,.9);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--r-md);
  padding: 12px 14px;
  display: grid;
  gap: 6px;
  position: relative;
  overflow: hidden;
}
.console-terminal::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 20%, rgba(255,255,255,.035) 50%, transparent 78%);
  transform: translateX(-110%);
  animation: csheen 8s linear infinite;
}
@keyframes csheen { to { transform: translateX(115%); } }

.term-line {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: .78rem;
  line-height: 1.5;
}
.term-line span { color: var(--t3); }
.term-line strong { color: var(--t1); font-weight: 500; }
.term-line .ok { color: var(--cyan); }

/* Flow band */
.flow-band {
  position: relative;
  height: 80px;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--b2);
  background: rgba(255,255,255,.014);
}
.flow-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 20px 20px;
}
.flow-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.flow-path {
  fill: none;
  stroke: url(#flowGrad);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-dasharray: 10 9;
  animation: dashMove 12s linear infinite;
}
@keyframes dashMove { to { stroke-dashoffset: -220; } }
.flow-node {
  fill: var(--cyan);
  filter: drop-shadow(0 0 8px rgba(34,211,238,.7));
  animation: pulseN 2.8s ease-in-out infinite;
}
.flow-node.n2 { animation-delay: .7s; fill: var(--blue); filter: drop-shadow(0 0 8px rgba(91,138,255,.7)); }
.flow-node.n3 { animation-delay: 1.4s; fill: var(--violet); filter: drop-shadow(0 0 8px rgba(139,92,246,.7)); }
@keyframes pulseN { 0%,100%{transform:scale(1)} 50%{transform:scale(1.5)} }
.scan-line {
  position: absolute; top: 0; bottom: 0; width: 28%;
  background: linear-gradient(90deg, transparent, rgba(91,138,255,.18), transparent);
  filter: blur(6px);
  animation: scanX 7s ease-in-out infinite;
}
@keyframes scanX { 0%,100%{left:-32%} 50%{left:105%} }

/* Mock grid */
.mock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.mock-card {
  padding: 12px;
  background: var(--s2);
  border: 1px solid var(--b2);
  border-radius: var(--r-sm);
  transition: border-color .18s;
}
.mock-card:hover { border-color: rgba(91,138,255,.22); }
.mock-label {
  font-family: var(--f-mono);
  font-size: .66rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-s);
  border: 1px solid rgba(91,138,255,.18);
  border-radius: 4px;
  padding: 2px 7px;
  display: inline-block;
  margin-bottom: 6px;
}
.mock-card p { font-size: .8rem; line-height: 1.4; color: var(--t3); margin: 0; }
.preview-caption {
  font-size: .73rem;
  color: var(--t4);
  margin: 4px 2px 0;
  font-style: italic;
}

/* Hero grid on desktop */
@media (min-width: 768px) {
  .hero { padding: 80px 0 96px; }
  .cta-row { flex-direction: row; }
  .cta-row .btn { width: auto; }
}
@media (min-width: 1024px) {
  .hero { padding: 96px 0 112px; }
  .hero-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   SECTION HEADERS
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.section-head {
  margin-bottom: 48px;
}
.section-head.center { text-align: center; }
.section-head.center .eyebrow { display: flex; justify-content: center; }
.section-head p {
  margin-top: 14px;
  font-size: 1rem;
  color: var(--t2);
  max-width: 54ch;
  line-height: 1.72;
}
.section-head.center p { margin-inline: auto; }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   VALUE RIBBON (Why section)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.value-ribbon {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.ribbon-item {
  padding: 24px 20px;
  background: var(--s3);
  border: 1px solid var(--b2);
  border-radius: var(--r-lg);
  transition: background .2s, border-color .2s, transform .2s;
}
.ribbon-item:hover {
  background: var(--s1);
  border-color: var(--b1);
  transform: translateY(-2px);
}
.bento-icon { font-size: 1.6rem; margin-bottom: 12px; }
.ribbon-item h3 { margin-bottom: 8px; }
.ribbon-item p  { font-size: .9rem; color: var(--t3); margin: 0; }

@media (min-width: 640px) { .value-ribbon { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .value-ribbon { grid-template-columns: repeat(4, 1fr); } }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   BENTO GRID (What's different)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.bento-card {
  padding: 24px 20px;
  background: var(--s3);
  border: 1px solid var(--b2);
  border-radius: var(--r-lg);
  transition: all .22s;
  position: relative;
  overflow: hidden;
}
.bento-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--blue-s), transparent 60%);
  opacity: 0; transition: opacity .24s;
}
.bento-card:hover { border-color: rgba(91,138,255,.22); transform: translateY(-3px); box-shadow: var(--sh-md); }
.bento-card:hover::before { opacity: 1; }
.bento-card h3 { margin: 10px 0 8px; }
.bento-card p  { font-size: .9rem; color: var(--t3); margin: 0; }

@media (min-width: 640px) { .bento-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) {
  .bento-large { grid-column: span 2; grid-row: span 2; }
  .bento-large h3 { font-size: 1.4rem; }
  .bento-large p  { font-size: 1rem; }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   CAPABILITIES STACK
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.capabilities-stack { display: grid; gap: 12px; }

.cap-card {
  padding: 24px 20px;
  background: var(--s3);
  border: 1px solid var(--b2);
  border-radius: var(--r-lg);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: background .2s, border-color .2s;
}
.cap-card:hover { background: var(--s1); border-color: var(--b1); }
.cap-icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.cap-body { flex: 1; }
.cap-body .meta-pill { margin-bottom: 10px; font-size: .73rem; min-height: 28px; }
.cap-body h3 { margin-bottom: 8px; }
.cap-body p  { font-size: .9rem; color: var(--t3); margin-bottom: 6px; }
.cap-body p:last-child { margin: 0; }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   HOW IT WORKS — numbered steps
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.steps-wrap { position: relative; }

.step-card {
  padding: 24px 20px 24px 20px;
  background: var(--s3);
  border: 1px solid var(--b2);
  border-radius: var(--r-lg);
  margin-bottom: 12px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: border-color .2s;
}
.step-card:last-child { margin-bottom: 0; }
.step-card:hover { border-color: rgba(91,138,255,.22); }

.step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: .9rem;
  color: #fff;
  box-shadow: 0 0 20px rgba(91,138,255,.25);
}

.step-body h3 { margin-bottom: 6px; }
.step-body p  { font-size: .9rem; color: var(--t3); margin: 0; }

@media (min-width: 768px) {
  .step-num { width: 52px; height: 52px; font-size: 1rem; }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   BETA SECTION + FORM
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.beta-section { background: linear-gradient(180deg, transparent, rgba(91,138,255,.03) 50%, transparent); }

.beta-layout {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.beta-copy { }
.beta-copy h2 { margin-bottom: 14px; }
.beta-lead {
  font-size: 1.06rem;
  color: var(--t2);
  margin-bottom: 24px;
  max-width: 48ch;
}

.beta-copy-card {
  padding: 20px;
  background: var(--s2);
  border: 1px solid var(--b1);
  border-radius: var(--r-lg);
}
.beta-copy-card h3 { font-size: 1rem; margin-bottom: 8px; }
.beta-copy-card p  { font-size: .9rem; color: var(--t3); margin-bottom: 12px; }
.beta-points { display: flex; gap: 8px; flex-wrap: wrap; }

/* Form shell */
.beta-form-shell {
  padding: 24px 20px;
  background: var(--s1);
  border: 1px solid var(--b1);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-xl);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.beta-form-head { margin-bottom: 24px; }
.beta-form-head h3 { margin-bottom: 4px; }
.beta-form-head p  { font-size: .88rem; color: var(--t3); margin: 0; }

/* Premium form fields */
.premium-form { }
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: .84rem;
  font-weight: 600;
  color: var(--t2);
  letter-spacing: -.01em;
}
.required-star { color: var(--cyan); }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 13px 16px;
  min-height: 50px;           /* touch target */
  font-size: 1rem;            /* prevent iOS zoom */
  background: rgba(255,255,255,.035);
  border: 1px solid var(--b1);
  border-radius: var(--r-md);
  color: var(--t1);
  outline: none;
  transition: border-color .18s, box-shadow .18s, background .18s;
  -webkit-appearance: none;
  appearance: none;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--t4); }
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(91,138,255,.14);
  background: rgba(91,138,255,.03);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237a8da8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 12px;
  padding-right: 40px;
  cursor: pointer;
}
.form-select option { background: #0d111f; color: var(--t1); }
.form-textarea { resize: vertical; min-height: 120px; line-height: 1.6; }

.form-group-full { /* full width by default on mobile, span 2 on desktop */ }

.form-group.has-error .form-input,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: rgba(248,113,113,.5);
  box-shadow: 0 0 0 3px rgba(248,113,113,.08);
}
.field-error {
  font-size: .78rem;
  color: #fca5a5;
  min-height: 1em;
  margin-top: 2px;
}

.form-submit {
  width: 100%;
  margin-top: 4px;
  font-size: 1rem;
  font-weight: 700;
}
.form-note {
  text-align: center;
  font-size: .8rem;
  color: var(--t4);
  margin-top: 12px;
}

/* Center submit button in premium form */
.premium-form .form-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
}

.premium-form .form-actions .btn {
  width: auto;          /* annule tout style full-width */
  min-width: 220px;     /* optionnel: bouton plus premium */
  justify-content: center;
}

.premium-form .form-note {
  text-align: center;
  margin-top: 14px;
}

/* Honeypot */
.hp-wrap { position: absolute; opacity: 0; pointer-events: none; height: 0; width: 0; overflow: hidden; }

@media (min-width: 640px) {
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-group-full { grid-column: span 2; }
}

@media (min-width: 1024px) {
  .beta-layout { flex-direction: row; gap: 48px; align-items: flex-start; }
  .beta-copy { flex: 1; position: sticky; top: calc(var(--nav-h) + 20px); }
  .beta-form-shell { flex: 1.1; }
  .beta-form-shell { padding: 32px 28px; }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   GLASS CARD (used in thanks + howto)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.glass-card {
  background: var(--s1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--b1);
  border-radius: var(--r-lg);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   FOOTER
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.site-footer {
  border-top: 1px solid var(--b2);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}
.footer-brand { display: flex; align-items: center; gap: 8px; }
.footer-copy  { font-size: .82rem; color: var(--t4); }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.footer-links a {
  font-size: .82rem;
  color: var(--t3);
  transition: color .15s;
}
.footer-links a:hover { color: var(--t1); }

@media (min-width: 640px) {
  .footer-inner { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   REVEAL ANIMATION (JS-driven)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s cubic-bezier(.4,0,.2,1), transform .55s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: .08s; }
.reveal.delay-2 { transition-delay: .16s; }
.reveal.delay-3 { transition-delay: .24s; }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   RESOURCES
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.section-end { padding-bottom: 96px; }

.resource-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.resource-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px 20px;
  background: var(--s3);
  border: 1px solid var(--b2);
  border-radius: var(--r-lg);
  text-decoration: none;
  transition: background .2s, border-color .2s, transform .22s, box-shadow .22s;
  position: relative;
}

.resource-card:hover {
  background: var(--s1);
  border-color: rgba(91,138,255,.28);
  transform: translateY(-3px);
  box-shadow: var(--sh-md);
}

.res-kicker {
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: .85;
}

.resource-card h3 {
  font-size: 1rem;
  color: var(--t1);
  margin: 0;
}

.resource-card p {
  font-size: .88rem;
  color: var(--t3);
  line-height: 1.55;
  margin: 0;
  flex: 1;
}

.res-arrow {
  display: inline-block;
  font-size: .9rem;
  color: var(--blue);
  opacity: .55;
  margin-top: 4px;
  transition: opacity .15s, transform .18s;
}

.resource-card:hover .res-arrow {
  opacity: 1;
  transform: translateX(4px);
}

@media (min-width: 640px)  { .resource-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .resource-grid { grid-template-columns: repeat(4, 1fr); } }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   UTILITIES
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
::selection { background: rgba(91,138,255,.35); color: #fff; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 3px; }

/* ==========================================================================
   TRUST SECTION
   ========================================================================== */

.trust-shell {
  max-width: 900px;
  margin: 0 auto;
}

.trust-copy {
  text-align: center;
  margin-bottom: 3rem;
}

.trust-copy .eyebrow {
  display: block;
  margin-bottom: 1rem;
}

.trust-copy h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw + 1rem, 3rem);
}

.trust-copy p {
  font-size: 1.125rem;
  color: var(--color-text-muted, #94a3b8);
  max-width: 700px;
  margin: 0 auto;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.trust-item {
  padding: 1.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.trust-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0) 0%, rgba(102, 126, 234, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.trust-item:hover {
  transform: translateY(-4px);
  border-color: rgba(102, 126, 234, 0.3);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.trust-item:hover::before {
  opacity: 1;
}

/* ==========================================================================
   BETA SECTION (nouvelle version)
   ========================================================================== */

.section-alt {
  background: linear-gradient(180deg, rgba(102, 126, 234, 0.05) 0%, transparent 100%);
}

.section-spacious {
  padding: 5rem 0;
}

.beta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.beta-panel {
  padding: 2.5rem;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  transition: all 0.3s ease;
}

.beta-panel-accent {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
  border-color: rgba(102, 126, 234, 0.2);
}

.beta-panel:hover {
  transform: translateY(-5px);
  border-color: rgba(102, 126, 234, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.beta-kicker {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: rgba(102, 126, 234, 0.2);
  border-radius: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary, #667eea);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.beta-panel h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
  line-height: 1.3;
}

.beta-panel p {
  color: var(--color-text-muted, #94a3b8);
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
}

.cta-row.center {
  text-align: center;
}

.cta-row .btn {
  min-width: 200px;
}

/* Responsive */
@media (max-width: 768px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }
  
  .beta-grid {
    grid-template-columns: 1fr;
  }
  
  .section-spacious {
    padding: 3rem 0;
  }
}

.cookie-banner{
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 9999;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(10,14,25,.92);
  backdrop-filter: blur(10px);
  padding: 14px;
}
.cookie-banner__content{
  display:flex;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
}
.cookie-banner__text p{ margin:6px 0 0; color: rgba(226,232,240,.8); }
.cookie-banner__actions{ display:flex; gap:10px; }
.cookie-banner__link{ display:inline-block; margin-top:10px; font-size:12px; color: rgba(148,163,184,.9); }

.legal-card{
  max-width: 900px;
  margin: 0 auto;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(10,14,25,.60);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 28px 22px;
}
.legal-title{
  margin: 0 0 6px;
  font-size: 34px;
  line-height: 1.1;
}
.legal-updated{
  margin: 0 0 18px;
  color: rgba(148,163,184,.9);
  font-size: 13px;
}
.legal-card h2{
  margin-top: 22px;
  font-size: 18px;
}
.legal-card p, .legal-card li{
  color: rgba(226,232,240,.85);
  line-height: 1.7;
}
.legal-actions{
  margin-top: 22px;
  display:flex;
  gap:12px;
}