/* ─────────────────────────────────────────────────────────────
   Yukibuy — couche de marque partagée (chargée après les styles de page)
   Principe : une couleur d'accent, des filets plutôt que des ombres,
   une typographie contrastée, des transitions courtes.
   ───────────────────────────────────────────────────────────── */
:root {
  --primary: #4338CA;
  --primary-dark: #3730A3;
  --primary-light: #EEF2FF;
  --text: #0F172A;
  --text-muted: #5B6778;
  --text-light: #5B6778;
  --border: #E6E9EF;
  --border-light: #F0F2F6;
  --bg: #FFFFFF;
  --bg-subtle: #F7F8FA;
  --bg-indigo: #F3F4FF;
  --shadow-xs: none;
  --shadow-sm: none;
  --shadow: 0 1px 2px rgba(15,23,42,.05);
  --shadow-md: 0 1px 2px rgba(15,23,42,.05);
  --shadow-lg: 0 1px 2px rgba(15,23,42,.06), 0 32px 64px -32px rgba(15,23,42,.22);
  --radius-sm: 10px;
  --radius: 12px;
  --radius-lg: 16px;
  --ease: cubic-bezier(.2,.7,.2,1);
}
html { -webkit-text-size-adjust: 100%; }
body { color: var(--text); font-feature-settings: "cv11", "ss01"; }
::selection { background: #DDE1FF; color: var(--text); }
h1, h2, h3, h4 { text-wrap: balance; }
p { text-wrap: pretty; }

/* Typographie */
.hero h1, .page-title { letter-spacing: -0.028em; line-height: 1.06; }
.hero h1 { font-size: clamp(34px, 4.4vw, 50px); }
.section-title { letter-spacing: -0.022em; line-height: 1.15; }
.section-label { font-size: 11px; letter-spacing: 0.14em; }
.hero-sub, .section-subtitle, .page-subtitle { color: var(--text-muted); }

/* Marque : monogramme + wordmark */
.logo { display: inline-flex; align-items: center; letter-spacing: -0.02em; }
.logo::before {
  content: ""; width: 24px; height: 24px; flex-shrink: 0; border-radius: 6px; margin-right: 9px;
  background: url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 64 64%22 width=%2264%22 height=%2264%22%3E %3Crect width=%2264%22 height=%2264%22 rx=%2214%22 fill=%22%234338CA%22/%3E %3Cpath d=%22M19 17 L32 32 L45 17 M32 32 V48%22 fill=%22none%22 stroke=%22%23FFFFFF%22 stroke-width=%227.5%22 stroke-linecap=%22round%22 stroke-linejoin=%22round%22/%3E%3C/svg%3E") center / contain no-repeat;
}
.footer-brand .logo::before { box-shadow: 0 0 0 1px rgba(255,255,255,.12); }

/* En-tête */
.header { background: rgba(255,255,255,.92); border-bottom: 1px solid var(--border); }
.nav a { transition: color .16s var(--ease), background-color .16s var(--ease); }

/* Premier écran : plus de dégradé, une seule surface mise en valeur */
.hero { background: var(--bg); }
.dashboard-card, .form-card { border: 1px solid var(--border); box-shadow: var(--shadow-lg); }

/* Boutons */
.btn { transition: background-color .16s var(--ease), border-color .16s var(--ease), color .16s var(--ease), box-shadow .16s var(--ease), transform .16s var(--ease); letter-spacing: 0.002em; }
.btn-primary, .btn-primary-lg { box-shadow: none; }
.btn-primary:hover, .btn-primary-lg:hover { background: var(--primary-dark); transform: none; box-shadow: 0 0 0 4px rgba(67,56,202,.14); }
.btn-primary:active, .btn-primary-lg:active { transform: translateY(1px); box-shadow: none; }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--text); background: var(--bg); color: var(--text); }
.btn-outline-primary:hover { box-shadow: 0 0 0 4px rgba(67,56,202,.14); }

/* Cartes : filets 1 px, pas d'ombre, survol discret */
.problem-card, .trust-card, .method-card, .deliverable-card, .step-card, .card,
.pricing-card, .upsell-card, .def-card, .faq-item, .about-card, .email-capture, .callback-card {
  box-shadow: none; border-color: var(--border);
  transition: border-color .16s var(--ease), background-color .16s var(--ease);
}
.problem-card:hover, .trust-card:hover, .method-card:hover, .card:hover, .deliverable-card:hover { border-color: #C9CFDA; }
.pricing-card { border-width: 1.5px; }
.transparency { background: var(--text); }

/* Formulaires */
.form-control { border-color: #D9DEE7; border-radius: var(--radius-sm); transition: border-color .16s var(--ease), box-shadow .16s var(--ease); }
.form-control::placeholder { color: #9AA4B2; }
.form-control:hover { border-color: #B9C2D0; }
.platform-btn { transition: border-color .16s var(--ease), background-color .16s var(--ease), color .16s var(--ease); }
.upload-area { border-color: #D9DEE7; }

/* Pied de page */
.footer { background: var(--text); }
.footer-bottom { border-top-color: rgba(255,255,255,.1); }

/* Mouvement */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}


/* ═══════════════════════════════════════════════════════════════
   Concept « Le relevé » : encre + papier, chiffres en monospace,
   sections numérotées comme les lignes d'un relevé.
   ═══════════════════════════════════════════════════════════════ */
:root {
  --ink: #0B1020;
  --ink-2: #131A33;
  --ink-text: rgba(255,255,255,.74);
  --ink-line: rgba(255,255,255,.12);
  --ink-accent: #A5B4FC;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Chiffres : monospace tabulaire partout où l'on lit un montant, un score, un rang */
.score-num, .score-denom, .waste-amount, .waste-period, .campaign-meta, .pricing-price, .pricing-price sup,
.transparency-stat strong, .method-rule, .step-number, .hero-price, .deliverable-card .step-number,
.card .num, .stat-value, .result-value {
  font-family: var(--mono); font-feature-settings: "tnum" 1, "zero" 1; letter-spacing: -0.01em;
}
.pricing-price { font-weight: 600; }
.step-number, .card .num { font-weight: 600; font-size: 13px; }
.method-rule { font-size: 12px; }

/* Numérotation des sections */
body { counter-reset: releve; }
.section-label { counter-increment: releve; display: inline-flex; align-items: center; gap: 10px; }
.section-label::before {
  content: counter(releve, decimal-leading-zero);
  font-family: var(--mono); font-weight: 600; font-size: 11px; letter-spacing: 0;
  color: var(--text); padding: 2px 6px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg);
}

/* ── Premier écran encre ── */
.hero--ink { background: var(--ink); color: #fff; border-bottom: 0; position: relative; isolation: isolate; }
.hero--ink::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: repeating-linear-gradient(to bottom, var(--ink-line) 0 1px, transparent 1px 64px);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.15));
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.15));
}
.hero--ink h1 { color: #fff; }
.hero--ink h1 em { color: var(--ink-accent); }
.hero--ink .hero-sub { color: var(--ink-text); }
.hero--ink .hero-badge {
  background: rgba(255,255,255,.06); color: #C7D2FE; border: 1px solid var(--ink-line);
  font-family: var(--mono); font-weight: 500; font-size: 12px; letter-spacing: .01em;
}
.hero--ink .hero-badge-dot { background: #86EFAC; }
.hero--ink .btn-primary-lg, .hero--ink .mobile-jump { background: #fff; color: var(--ink); box-shadow: none; }
.hero--ink .btn-primary-lg:hover, .hero--ink .mobile-jump:hover { background: #E0E7FF; color: var(--ink); box-shadow: 0 0 0 4px rgba(255,255,255,.14); }
.hero--ink .btn-ghost { color: #fff; border-color: rgba(255,255,255,.28); background: transparent; }
.hero--ink .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.06); color: #fff; }
.hero--ink .reassurance-item { color: var(--ink-text); }
.hero--ink .reassurance-item svg, .hero--ink .reassurance-item .check { color: #86EFAC; }
.hero--ink .visual-footnote { color: rgba(255,255,255,.45); }
.hero--ink .dashboard-card { border-color: rgba(255,255,255,.08); box-shadow: 0 48px 96px -48px rgba(0,0,0,.75), 0 0 0 1px rgba(255,255,255,.06); }
.hero--ink .form-card { border-color: rgba(255,255,255,.08); box-shadow: 0 48px 96px -48px rgba(0,0,0,.75), 0 0 0 1px rgba(255,255,255,.06); color: var(--text); }
.hero--ink .deal { background: rgba(255,255,255,.05); border-color: var(--ink-line); }
.hero--ink .deal h4 { color: #fff; }
.hero--ink .deal li { color: var(--ink-text); }
.hero--ink .deal strong { color: #fff; }

/* ── En-tête : encre sur le premier écran, papier ensuite ── */
.header--ink { background: var(--ink); border-bottom-color: var(--ink-line); transition: background-color .2s var(--ease), border-color .2s var(--ease); }
.header--ink .logo { color: var(--ink-accent); }
.header--ink .logo span { color: #fff; }
.header--ink .nav a { color: var(--ink-text); }
.header--ink .nav a:hover { color: #fff; background: rgba(255,255,255,.06); }
.header--ink .hamburger span { background: #fff; }
.header--ink .btn-primary { background: #fff; color: var(--ink); }
.header--ink .btn-primary:hover { background: #E0E7FF; box-shadow: 0 0 0 4px rgba(255,255,255,.14); }
.header--ink .nav.mobile-open { background: var(--ink); border-bottom-color: var(--ink-line); box-shadow: none; }
.header--ink.is-scrolled { background: rgba(255,255,255,.94); border-bottom-color: var(--border); }
.header--ink.is-scrolled .logo { color: var(--primary); }
.header--ink.is-scrolled .logo span { color: var(--text); }
.header--ink.is-scrolled .nav a { color: var(--text-muted); }
.header--ink.is-scrolled .nav a:hover { color: var(--text); background: var(--bg-subtle); }
.header--ink.is-scrolled .hamburger span { background: var(--text); }
.header--ink.is-scrolled .btn-primary { background: var(--primary); color: #fff; }
.header--ink.is-scrolled .btn-primary:hover { background: var(--primary-dark); box-shadow: 0 0 0 4px rgba(67,56,202,.14); }
.header--ink.is-scrolled .nav.mobile-open { background: #fff; border-bottom-color: var(--border); }

/* Bandeau de confiance : collé au premier écran, en papier */
.trust-strip { background: var(--bg); border-bottom: 1px solid var(--border); }

/* ── Appel à l'action final + pied de page : on referme le relevé ── */
.final-cta-section { background: var(--ink); border-top: 0; color: #fff; }
.final-cta-section h2 { color: #fff; }
.final-cta-section h2 em { color: var(--ink-accent); }
.final-cta-section p { color: var(--ink-text); }
.final-cta-section .btn-primary-lg { background: #fff; color: var(--ink); }
.final-cta-section .btn-primary-lg:hover { background: #E0E7FF; color: var(--ink); box-shadow: 0 0 0 4px rgba(255,255,255,.14); }
.final-cta-section .reassurance-item { color: var(--ink-text); }
.footer { background: var(--ink); border-top: 1px solid var(--ink-line); }
.transparency { background: var(--ink); border: 1px solid var(--ink-line); }

/* Rythme : les sections alternées respirent un peu plus */
.section { padding: 96px 0; }
.section-alt { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-alt + .section-alt { border-top: 0; }
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .hero--ink { padding: 40px 0 44px; }
  .section-label::before { display: none; }
}

/* Retouches : le mot « Gratuit » reste en Poppins ; note plus lisible sur l'encre */
.pricing-card .pricing-price { font-family: 'Poppins', sans-serif; font-weight: 800; letter-spacing: -0.02em; }
.pricing-card .pricing-price span { font-family: var(--mono); font-weight: 500; letter-spacing: 0; }
.hero--ink .visual-footnote { color: rgba(255,255,255,.62); }


/* ── Pages secondaires : même encre que le premier écran ── */
.page-hero { background: var(--ink); border-bottom: 0; color: #fff; position: relative; isolation: isolate; }
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: repeating-linear-gradient(to bottom, var(--ink-line) 0 1px, transparent 1px 64px);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.15)); -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.15));
}
.page-label { color: var(--ink-accent); font-family: var(--mono); font-weight: 600; font-size: 11px; letter-spacing: .14em; }
.page-title { color: #fff; }
.page-subtitle { color: var(--ink-text); }
.page-hero .notice, .page-hero .warning-badge { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.16); color: #FDE68A; }
.hero--ink .hero-price { color: #fff; }
.hero--ink .hero-price span { color: var(--ink-text); }
.hero--ink > .container > p { color: var(--ink-text); }

/* En-tête des pages secondaires : encre tant qu'on est sur le bandeau (pas de script sur ces pages, donc encre fixe) */
.header:has(+ main .page-hero), .header:has(+ .page-hero) { background: var(--ink); border-bottom-color: var(--ink-line); }
.header:has(+ main .page-hero) .logo, .header:has(+ .page-hero) .logo { color: var(--ink-accent); }
.header:has(+ main .page-hero) .logo span, .header:has(+ .page-hero) .logo span { color: #fff; }
.header:has(+ main .page-hero) .nav a, .header:has(+ .page-hero) .nav a { color: var(--ink-text); }
.header:has(+ main .page-hero) .btn-primary, .header:has(+ .page-hero) .btn-primary { background: #fff; color: var(--ink); }
.header:has(+ main .page-hero) .btn-primary:hover, .header:has(+ .page-hero) .btn-primary:hover { background: #E0E7FF; }

/* Chiffres des tableaux et du calculateur en mono */
.campaigns-table td:not(:first-child),
.result-roas-number, .result-value, .with-prefix, .with-suffix, input[type="number"].form-control {
  font-family: var(--mono); font-feature-settings: "tnum" 1; letter-spacing: -0.01em;
}
.result-roas-number { font-weight: 600; }
.feature-card, .step { box-shadow: none; border: 1px solid var(--border); }

/* En-tête compact sur petit écran, quelle que soit la page */
@media (max-width: 600px) {
  .header .btn { padding: 9px 12px; font-size: 13px; white-space: nowrap; }
  .header .logo { font-size: 20px; }
  .header .logo::before { width: 22px; height: 22px; margin-right: 7px; }
}

/* Hamburger lisible sur l'encre */
.header--ink .hamburger { background: transparent; border: 1px solid var(--ink-line); border-radius: 8px; }
.header--ink.is-scrolled .hamburger { border-color: var(--border); }


/* ═══════════════════════════════════════════════════════════════
   Images, couleurs et mouvement
   ═══════════════════════════════════════════════════════════════ */
:root { --accent: #A5B4FC; --gain: #10B981; --leak: #DC2626; --watch: #B45309; }

/* Illustrations de données */
.illus { max-width: 760px; margin: 0 auto 40px; }
.illus img { display: block; width: 100%; height: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; }
.illus figcaption { font-size: 14px; color: var(--text-muted); text-align: center; margin-top: 12px; max-width: 620px; margin-left: auto; margin-right: auto; text-wrap: pretty; }
.section-header + .illus { margin-top: -8px; }

/* Halo unique derrière le rapport du premier écran */
.hero--ink .hero-visual { position: relative; }
.hero--ink .hero-visual::before {
  content: ""; position: absolute; inset: -40px -60px; z-index: -1; pointer-events: none;
  background: radial-gradient(closest-side, rgba(99,102,241,.28), transparent 70%);
}

/* Entrée du premier écran : cascade courte, opacité + translation */
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes rowIn { from { opacity: 0; transform: translateX(-8px); } to { opacity: 1; transform: none; } }
@keyframes popIn { from { opacity: 0; transform: scale(.6); } to { opacity: 1; transform: none; } }
@keyframes shake { 0%,100% { transform: translateX(0); } 20%,60% { transform: translateX(-5px); } 40%,80% { transform: translateX(5px); } }
@media (prefers-reduced-motion: no-preference) {
  .hero--enter .hero-badge, .hero--enter h1, .hero--enter .hero-sub, .hero--enter .hero-ctas, .hero--enter .mobile-jump,
  .hero--enter .hero-reassurance, .hero--enter .reassurance, .hero--enter .hero-visual, .hero--enter .form-card, .hero--enter .hero-deal,
  .hero--enter .hero-price, .hero--enter .notice-box {
    animation: rise .55s var(--ease) both;
  }
  .hero--enter .hero-badge { animation-delay: .05s; }
  .hero--enter h1 { animation-delay: .12s; }
  .hero--enter .hero-sub { animation-delay: .2s; }
  .hero--enter .hero-ctas, .hero--enter .mobile-jump, .hero--enter .hero-price { animation-delay: .28s; }
  .hero--enter .hero-reassurance, .hero--enter .reassurance, .hero--enter .notice-box { animation-delay: .36s; }
  .hero--enter .hero-visual, .hero--enter .form-card { animation-delay: .25s; animation-duration: .7s; }
  .hero--enter .hero-deal { animation-delay: .45s; }
  .hero--enter .campaign-row { animation: rowIn .45s var(--ease) both; }
  .hero--enter .campaign-row:nth-child(1) { animation-delay: .7s; }
  .hero--enter .campaign-row:nth-child(2) { animation-delay: .85s; }
  .hero--enter .campaign-row:nth-child(3) { animation-delay: 1s; }
  .hero--enter .waste-box { animation: rise .5s var(--ease) 1.15s both; }

  /* Révélation au défilement (pages sans script dédié) */
  [data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .55s var(--ease), transform .55s var(--ease); }
  [data-reveal].is-visible { opacity: 1; transform: none; }
  html:not(.js) [data-reveal] { opacity: 1; transform: none; }

  /* Cartes : légère élévation au survol */
  .problem-card, .trust-card, .method-card, .deliverable-card, .card, .feature-card, .step, .pricing-card, .upsell-card { transition: border-color .16s var(--ease), transform .2s var(--ease); }
  .problem-card:hover, .trust-card:hover, .method-card:hover, .deliverable-card:hover, .card:hover, .feature-card:hover, .step:hover { transform: translateY(-2px); }

  /* Retours du formulaire */
  .form-card.is-error { animation: shake .35s var(--ease); }
  .success-card.show h2 i { display: inline-block; animation: popIn .4s var(--ease) both; }
  .upload-status.success, .upload-status.error, .field-error.show { animation: rise .3s var(--ease) both; }
}

/* Sans JavaScript ou mouvement réduit : tout est visible, immédiatement */
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; } }