/* ── Guide IA gratuit — styles page (restaurés du commit 4df8300, contrastes corrigés) ── */

    /* ── Page-specific styles ───────────────────────────── */
    .gia-hero {
      padding-top: 6.5rem;
      padding-bottom: 4rem;
    }
    @media (min-width: 1024px) {
      .gia-hero { padding-top: 8rem; padding-bottom: 5rem; }
    }

    .gia-badge {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      background: rgba(16,185,129,.12);
      color: #047857;
      font-size: .8125rem;
      font-weight: 700;
      padding: .35rem .8rem;
      border-radius: 9999px;
      margin-bottom: 1.25rem;
      letter-spacing: .02em;
    }
    .gia-badge--primary {
      background: rgba(32,32,204,.08);
      color: var(--primary);
    }

    .gia-headline {
      font-size: clamp(1.875rem, 4vw, 3rem);
      font-weight: 800;
      line-height: 1.12;
      letter-spacing: -.03em;
      color: var(--text-primary);
    }
    .gia-headline .gia-accent {
      background: linear-gradient(135deg, #2020CC, #4A4AF4);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    /* Stats strip — social proof in hero */
    .gia-stats {
      display: flex;
      gap: 1.25rem;
      margin: 0 0 1.75rem;
      padding: 1rem 1.25rem;
      background: linear-gradient(135deg, rgba(32,32,204,.05) 0%, rgba(74,74,244,.06) 100%);
      border: 1px solid rgba(32,32,204,.12);
      border-radius: 1rem;
      flex-wrap: wrap;
    }
    .gia-stat {
      flex: 1;
      min-width: 90px;
      display: flex;
      flex-direction: column;
      gap: .15rem;
    }
    .gia-stat-num {
      font-size: 1.5rem;
      font-weight: 800;
      line-height: 1;
      letter-spacing: -.02em;
      background: linear-gradient(135deg, #2020CC, #4A4AF4);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .gia-stat-lbl {
      font-size: .7rem;
      font-weight: 600;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: .04em;
      line-height: 1.3;
    }
    @media (max-width: 480px) {
      .gia-stats { gap: .625rem; padding: .875rem 1rem; }
      .gia-stat-num { font-size: 1.25rem; }
      .gia-stat-lbl { font-size: .65rem; }
    }

    /* Form card */
    .gia-form-card {
      background: #fff;
      border-radius: 1.75rem;
      padding: 2rem;
      box-shadow: var(--glass-shadow-high);
      border: 1px solid var(--border-subtle);
    }

    .gia-input {
      width: 100%;
      padding: .875rem 1rem;
      border-radius: .75rem;
      border: 1.5px solid rgba(10,14,39,.12);
      background: var(--bg-muted);
      font-size: .9375rem;
      color: var(--text-primary);
      outline: none;
      transition: border-color .15s, box-shadow .15s, background .15s;
      box-sizing: border-box;
      font-family: inherit;
    }
    .gia-input::placeholder { color: var(--text-muted); }
    .gia-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(32,32,204,.12);
      background: #fff;
    }
    .gia-input[aria-invalid="true"] {
      border-color: #DC2626;
      box-shadow: 0 0 0 3px rgba(220,38,38,.08);
    }

    .gia-lbl {
      font-size: .8125rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: .5rem;
      text-transform: uppercase;
      letter-spacing: .04em;
      display: block;
    }
    .gia-lbl-sub {
      font-weight: 500;
      text-transform: none;
      letter-spacing: 0;
      color: var(--text-muted);
      font-size: .75rem;
      margin-left: .375rem;
    }

    .gia-rgpd {
      display: flex;
      align-items: flex-start;
      gap: .625rem;
      margin: 1rem 0 .25rem;
      cursor: pointer;
      user-select: none;
    }
    .gia-rgpd input[type="checkbox"] {
      width: 1.125rem;
      height: 1.125rem;
      margin-top: .175rem;
      accent-color: var(--primary);
      cursor: pointer;
      flex-shrink: 0;
    }
    .gia-rgpd-txt {
      font-size: .8125rem;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    .gia-cta-btn {
      width: 100%;
      padding: 1rem 1.5rem;
      border-radius: .875rem;
      background: linear-gradient(135deg, #2020CC 0%, #4A4AF4 100%);
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      border: none;
      cursor: pointer;
      transition: filter .15s, transform .15s, opacity .15s, box-shadow .15s;
      font-family: inherit;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: .5rem;
      box-shadow: 0 4px 16px rgba(32,32,204,.35);
      margin-top: 1rem;
    }
    .gia-cta-btn:hover:not(:disabled) { filter: brightness(1.1); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(32,32,204,.4); }
    .gia-cta-btn:active:not(:disabled) { transform: translateY(0); }
    .gia-cta-btn:disabled { opacity: .55; cursor: not-allowed; }

    .gia-err {
      font-size: .8125rem;
      color: #DC2626;
      margin-top: .25rem;
      display: none;
    }
    .gia-err.show { display: block; }

    /* Honeypot (visually hidden but technically accessible to bots) */
    .gia-honeypot {
      position: absolute !important;
      left: -10000px;
      top: auto;
      width: 1px;
      height: 1px;
      overflow: hidden;
      opacity: 0;
      pointer-events: none;
    }

    /* PDF mockup (CSS-only 3D book) */
    .gia-mockup-wrap {
      position: relative;
      max-width: 340px;
      margin: 0 auto;
      perspective: 1400px;
    }
    .gia-mockup {
      position: relative;
      transform: rotateY(-14deg) rotateX(4deg);
      transform-style: preserve-3d;
      transition: transform .5s cubic-bezier(.34,1.56,.64,1);
      border-radius: .75rem .5rem .5rem .75rem;
      overflow: hidden;
      box-shadow:
        -18px 18px 32px rgba(10,14,39,.18),
        -34px 36px 64px rgba(32,32,204,.12),
        inset 6px 0 0 rgba(255,255,255,.18),
        inset -2px 0 0 rgba(10,14,39,.06);
      background: linear-gradient(135deg,#0F1240 0%,#2020CC 55%,#4A4AF4 100%);
      aspect-ratio: 3/4.2;
      padding: 1.75rem 1.5rem;
      color: #fff;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .gia-mockup-wrap:hover .gia-mockup { transform: rotateY(-10deg) rotateX(2deg) translateY(-4px); }
    .gia-mockup::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 80% 20%, rgba(255,255,255,.16) 0%, transparent 45%),
        radial-gradient(circle at 20% 80%, rgba(255,255,255,.06) 0%, transparent 50%);
      pointer-events: none;
    }
    .gia-mockup-spine {
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 14px;
      background: linear-gradient(90deg, rgba(0,0,0,.4) 0%, rgba(0,0,0,.12) 70%, transparent 100%);
      pointer-events: none;
    }
    .gia-mockup-brand {
      font-size: .75rem;
      font-weight: 800;
      letter-spacing: .25em;
      color: rgba(255,255,255,.78);
      margin-bottom: 1rem;
      position: relative;
    }
    .gia-mockup-edition {
      font-size: .65rem;
      font-weight: 700;
      letter-spacing: .2em;
      color: rgba(255,255,255,.62);
      margin-top: .25rem;
    }
    .gia-mockup-title {
      font-size: 1.5rem;
      line-height: 1.1;
      font-weight: 900;
      letter-spacing: -.02em;
      position: relative;
    }
    .gia-mockup-sub {
      font-size: .8125rem;
      font-weight: 500;
      color: rgba(255,255,255,.82);
      line-height: 1.4;
      margin-top: .5rem;
      position: relative;
    }
    .gia-mockup-foot {
      font-size: .65rem;
      letter-spacing: .15em;
      font-weight: 700;
      color: rgba(255,255,255,.6);
      position: relative;
    }
    .gia-mockup-badge {
      position: absolute;
      top: -.625rem;
      right: -.625rem;
      width: 4.5rem;
      height: 4.5rem;
      border-radius: 9999px;
      background: linear-gradient(135deg, #10B981, #047857);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: .75rem;
      font-weight: 800;
      letter-spacing: .04em;
      text-align: center;
      transform: rotate(12deg);
      box-shadow: 0 8px 22px rgba(16,185,129,.45);
      z-index: 2;
    }
    .gia-mockup-pages {
      content: '';
      position: absolute;
      right: -8px;
      top: 8px;
      bottom: 8px;
      width: 6px;
      background: linear-gradient(90deg, #fff 0%, #E5E7EB 100%);
      border-radius: 0 4px 4px 0;
      box-shadow: 2px 0 4px rgba(10,14,39,.12);
    }

    /* Content sections */
    .gia-section { padding: 4rem 0; }
    @media (min-width: 640px) { .gia-section { padding: 5rem 0; } }

    /* Benefits grid */
    .gia-benefits-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.25rem;
    }
    @media (min-width: 640px) { .gia-benefits-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (min-width: 1024px) { .gia-benefits-grid { grid-template-columns: repeat(3, 1fr); } }

    .gia-benefit {
      background: #fff;
      border-radius: 1.25rem;
      padding: 1.75rem 1.5rem;
      border: 1px solid var(--border-subtle);
      transition: transform .2s, box-shadow .2s, border-color .2s;
    }
    .gia-benefit:hover {
      transform: translateY(-4px);
      border-color: rgba(32,32,204,.18);
      box-shadow: 0 12px 32px rgba(10,14,39,.06);
    }
    .gia-benefit-icon {
      width: 2.75rem;
      height: 2.75rem;
      border-radius: .875rem;
      background: linear-gradient(135deg, rgba(32,32,204,.1) 0%, rgba(74,74,244,.08) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      margin-bottom: 1rem;
    }
    .gia-benefit h3 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-primary);
      margin: 0 0 .5rem;
      letter-spacing: -.01em;
    }
    .gia-benefit p {
      font-size: .875rem;
      color: var(--text-secondary);
      line-height: 1.55;
      margin: 0;
    }

    /* "Pour qui" cards */
    .gia-who-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }
    @media (min-width: 1024px) { .gia-who-grid { grid-template-columns: repeat(4, 1fr); } }

    .gia-who-card {
      background: linear-gradient(180deg, #fff 0%, #FAFBFE 100%);
      border-radius: 1.25rem;
      padding: 1.5rem 1.25rem;
      border: 1px solid var(--border-subtle);
      text-align: center;
      transition: transform .2s, box-shadow .2s;
    }
    .gia-who-card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(10,14,39,.05); }
    .gia-who-emoji {
      font-size: 2rem;
      line-height: 1;
      margin-bottom: .625rem;
    }
    .gia-who-card h4 {
      font-size: .9375rem;
      font-weight: 700;
      color: var(--text-primary);
      margin: 0 0 .25rem;
    }
    .gia-who-card p {
      font-size: .8125rem;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.45;
    }

    /* Preview cards (PDF page mockups) */
    .gia-preview-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.25rem;
    }
    @media (min-width: 640px) { .gia-preview-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (min-width: 1024px) { .gia-preview-grid { grid-template-columns: repeat(4, 1fr); } }

    .gia-preview-card {
      aspect-ratio: 3/4;
      border-radius: 1rem;
      padding: 1.25rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      color: #fff;
      position: relative;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(10,14,39,.08);
      transition: transform .2s;
    }
    .gia-preview-card:hover { transform: translateY(-3px) scale(1.01); }
    .gia-preview-card::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(0,0,0,0) 60%, rgba(0,0,0,.15) 100%);
      pointer-events: none;
    }
    .gia-preview-card--1 { background: linear-gradient(135deg, #2020CC 0%, #4A4AF4 100%); }
    .gia-preview-card--2 { background: linear-gradient(135deg, #1818A0 0%, #2020CC 100%); }
    .gia-preview-card--3 { background: linear-gradient(135deg, #0F1240 0%, #2020CC 100%); }
    .gia-preview-card--4 { background: linear-gradient(135deg, #4A4AF4 0%, #6E6EFF 100%); }
    .gia-preview-num {
      font-size: .7rem;
      font-weight: 800;
      letter-spacing: .25em;
      color: rgba(255,255,255,.75);
    }
    .gia-preview-title {
      font-size: 1.125rem;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -.02em;
    }
    .gia-preview-bars {
      display: flex;
      flex-direction: column;
      gap: .375rem;
    }
    .gia-preview-bar {
      height: 4px;
      border-radius: 9999px;
      background: rgba(255,255,255,.35);
    }
    .gia-preview-bar:nth-child(2) { width: 80%; }
    .gia-preview-bar:nth-child(3) { width: 60%; }

    /* Authors block */
    .gia-authors {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2rem;
      align-items: center;
      background: linear-gradient(135deg, rgba(32,32,204,.04) 0%, rgba(74,74,244,.06) 100%);
      border-radius: 1.75rem;
      padding: 2.25rem;
      border: 1px solid var(--border-subtle);
    }
    @media (min-width: 768px) { .gia-authors { grid-template-columns: auto 1fr; gap: 2.5rem; padding: 2.75rem; } }

    .gia-avatars { display: flex; align-items: center; gap: -.5rem; }
    .gia-avatar {
      width: 4.5rem;
      height: 4.5rem;
      border-radius: 9999px;
      border: 3px solid #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 1.125rem;
      letter-spacing: .02em;
      box-shadow: 0 6px 20px rgba(10,14,39,.1);
    }
    .gia-avatars { display: flex; }
    .gia-avatar + .gia-avatar { margin-left: -1rem; }
    .gia-avatar--cl { background: linear-gradient(135deg, #2020CC, #4A4AF4); }
    .gia-avatar--lt { background: linear-gradient(135deg, #4A4AF4, #6E6EFF); }

    /* Success state (full-page after submit, used in fallback) */
    .gia-success-banner {
      background: linear-gradient(135deg, rgba(16,185,129,.08) 0%, rgba(16,185,129,.04) 100%);
      border: 1px solid rgba(16,185,129,.22);
      border-radius: 1.25rem;
      padding: 1.5rem;
      text-align: center;
      display: none;
    }
    .gia-success-banner.show { display: block; }
    .gia-success-banner h4 {
      color: #047857;
      font-weight: 700;
      font-size: 1rem;
      margin: 0 0 .5rem;
    }