/* Calcul Rattraper Marches – V2 · 2026 · sans dépendances externes */
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{@page{size:A4;margin:12mm}html{background:#fff}body{background:#fff;color:#000;font-size:10pt}.container{width:100%}.header,.hero,.form-card,.about-section,.faq-section,.footer,.diagram-actions,.nav,.guide-nav,.guide-hero .button,.button,.eyebrow{display:none!important}.section{padding:10px 0}.calculator-section,.diagram-section{background:#fff;border:0}.section-intro{margin:0 0 10px}.section-intro h2{font-size:16pt}.section-intro>p{display:none}.calculator-grid{display:block}.result-card,.diagram-card{box-shadow:none;border:0;padding:0}.card-heading{margin-bottom:10px}.card-heading h3{font-size:13pt}.results-main{print-color-adjust:exact;-webkit-print-color-adjust:exact;padding:10px}.results-big{font-size:25pt}.metric-grid{display:flex}.status,.notice{break-inside:avoid}.diagram-top{margin:0}.svg-scroll{overflow:visible;border:0}.svg-scroll svg{width:100%;min-width:0!important;height:auto}.data-table th,.data-table td{padding:5px;font-size:8pt}.diagram-foot{font-size:8pt}.guide-layout{display:block}.guide-content>section{break-inside:avoid}}

/* Export PDF */
.pdf-download-form{display:inline-flex;margin:0}
.pdf-download-form button{white-space:nowrap}

/* Formulaire : valeurs lisibles et centrées */
.measure-input input,.count-controls input,.input-unit input{text-align:center;font-variant-numeric:tabular-nums}
.result-pdf-download{display:block;margin:22px 0 0}
.result-pdf-download button{width:100%;justify-content:center}
.legal-page{max-width:900px;padding-top:58px;padding-bottom:90px}
.legal-page h1{margin:10px 0 22px}
.legal-page h2{font-size:1.45rem;color:#153d47;margin-top:30px}
.legal-page p,.legal-page li{line-height:1.7}
.legal-warning{background:#fff5e8;border:1px solid #f0d9b1;border-radius:12px;padding:16px 19px;color:#734e20}
.legal-details{background:#fff;border:1px solid #dce9e4;border-radius:14px;padding:25px 28px;margin-top:24px}
.legal-details dl{display:grid;grid-template-columns:190px minmax(0,1fr);row-gap:12px;column-gap:22px;margin:0}
.legal-details dt{font-weight:700;color:#2c5c60}
.legal-details dd{margin:0;overflow-wrap:anywhere}
.legal-missing{font-style:italic;color:#9d602f}
@media(max-width:540px){.legal-details dl{grid-template-columns:1fr;row-gap:4px}.legal-details dd{margin-bottom:14px}}

/* Mise en garde clairement identifiable pour toute utilisation du calculateur */
.safety-disclaimer{margin:15px 0 14px;padding:14px 16px;border-left:4px solid #b07834;background:#fff8ec;border-radius:0 9px 9px 0;color:#644b2c;font-size:.83rem;line-height:1.6}
.safety-disclaimer strong{color:#714516}
.result-disclaimer{margin-top:20px;margin-bottom:6px}
.footer-disclaimer{max-width:400px!important;font-size:.76rem!important;color:#697c7b!important;margin-top:10px!important}
.legal-pending{font-size:.86rem;color:#865b27;background:#fff9eb;border-radius:8px;padding:11px 15px}

/* Valeurs des contremarches centrées réellement, y compris sous Firefox :
   les flèches natives de input[type=number] déséquilibrent le centrage.
   Les flèches haut/bas du clavier restent fonctionnelles. */
.measure-input input[type="number"]{appearance:textfield;-moz-appearance:textfield;text-align:center;padding-inline:7px;font-variant-numeric:tabular-nums}
.measure-input input[type="number"]::-webkit-inner-spin-button,
.measure-input input[type="number"]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.example-launch-form{margin:18px 0 0}

/* V2.1 — Expérience smartphone : lisibilité, champs tactiles et résultats sans défilement horizontal.
   Les styles de bureau et la mise en page PDF ne sont pas modifiés. */
@media screen and (max-width: 640px) {
  html { scroll-padding-top: 12px; }
  body { font-size: 15.5px; line-height: 1.55; }
  .container { width: calc(100% - 28px); }
  .header { min-height: 0; padding-block: 14px 10px; gap: 12px; }
  .brand { font-size: .94rem; letter-spacing: -.055em; }
  .brand-icon svg { width: 36px; height: 36px; }
  .nav { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px; border-radius: 12px; padding: 4px; background: #e7eeeb; text-align: center; }
  .nav a { font-size: .83rem; line-height: 1.3; padding: 12px 7px; border-radius: 9px; }
  .nav a.active { background: #fff; box-shadow: 0 1px 5px #163e4314; }
  .hero { padding-block: 20px 25px; gap: 15px; }
  .eyebrow { font-size: .64rem; letter-spacing: .10em; line-height: 1.4; padding: 7px 11px; margin-bottom: 15px; }
  .hero h1 { font-size: clamp(2.1rem, 8.3vw, 2.7rem); line-height: 1.09; margin-bottom: 12px; letter-spacing: -.055em; }
  .hero-copy > p { font-size: .93rem; line-height: 1.58; margin-bottom: 0; }
  .hero-actions { margin-top: 17px; display: grid; gap: 11px; }
  .hero-actions .button { width: 100%; min-height: 50px; }
  .hero-actions .text-link { text-align: center; font-size: .87rem; padding: 4px 0; }
  .hero-proof { margin-top: 11px; font-size: .75rem; line-height: 1.4; }
  .hero-art { width: 100%; min-height: 0; height: 146px; border-radius: 15px; padding: 5px 18px 5px 12px; overflow: hidden; justify-content: center; }
  .hero-art svg { width: min(100%, 230px); max-height: 142px; }
  .hero-art-tag { font-size: .62rem; bottom: 8px; left: 12px; }
  .hero-art-tag .sparkle { font-size: .84rem; }
  .section { padding-block: 37px; }
  .calculator-section { padding-top: 30px; }
  .section-intro { margin-bottom: 19px; }
  .kicker { font-size: .68rem; }
  .section-intro h2 { font-size: clamp(1.55rem, 6vw, 1.98rem); line-height: 1.15; margin-top: 6px; }
  .section-intro > p { font-size: .84rem; line-height: 1.55; margin-top: 9px; }
  .calculator-grid { gap: 17px; }
  .card { border-radius: 16px; }
  .form-card, .result-card { padding: 20px 15px; }
  .card-heading { padding-bottom: 15px; margin-bottom: 17px; gap: 11px; }
  .card-heading h3 { font-size: 1.15rem; line-height: 1.25; }
  .card-heading p { font-size: .81rem; }
  .step-number { width: 34px; height: 34px; }
  .field-count { padding-bottom: 13px; }
  .count-controls { gap: 8px; }
  .count-controls input { width: 77px; min-height: 49px; font-size: 1.05rem; }
  .count-button { min-width: 50px; min-height: 49px; font-size: 1.6rem; }
  .field-hint { font-size: .78rem; }
  .measure-head { padding-right: 0; margin: 8px 0 11px; }
  .measure-list { max-height: none; overflow: visible; padding-right: 0; margin-bottom: 10px; }
  .measure-row { min-height: 63px; padding: 8px 10px; margin-bottom: 8px; gap: 9px; font-size: .87rem; line-height: 1.25; background: #fff; }
  .measure-row > span:first-child { gap: 8px; min-width: 0; flex: 1; }
  .measure-row small { width: 28px; height: 29px; flex: 0 0 28px; font-size: .74rem; }
  .measure-row:focus-within { border-color: #168e78; background: #f6fdf9; box-shadow: 0 0 0 3px #077d6c13; }
  .measure-input { flex: 0 0 auto; gap: 5px; }
  .measure-input input[type="number"] { width: 88px; min-height: 46px; font-size: 1rem; padding-inline: 6px; border-radius: 10px; }
  .measure-input > span { font-size: .77rem; }
  .advanced { margin: 16px 0 18px; padding: 13px 0; }
  .advanced summary { font-size: .87rem; line-height: 1.65; }
  .advanced-sub { display: block; margin-left: 18px; font-size: .76rem; }
  .field input, .input-unit input { font-size: 1rem; min-height: 48px; }
  .safety-disclaimer { padding: 12px 14px; font-size: .8rem; }
  .button { min-height: 50px; padding-inline: 14px; }
  .privacy-note { font-size: .73rem; line-height: 1.5; }

  /* Cartes de résultats adaptées à la largeur du téléphone. */
  .results-main { padding: 20px 18px; }
  .results-big { font-size: clamp(3rem, 13vw, 4.2rem); }
  .results-explain { font-size: .79rem; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .metric-grid > div { padding: 12px 10px; }
  .metric-grid small { font-size: .73rem; line-height: 1.35; }
  .metric-grid strong { font-size: 1.12rem; }
  .status { padding: 13px; }
  .table-overflow { overflow: visible; }
  .data-table { display: block; min-width: 0; width: 100%; text-align: left; }
  .data-table thead { display: none; }
  .data-table tbody { display: grid; gap: 9px; }
  .data-table tbody tr { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; border: 1px solid #e0eae5; border-radius: 11px; padding: 11px 10px; background: #fff; }
  .data-table tbody tr:hover { background: #f8fcf9; }
  .data-table tbody tr.last-row { background: #f0f8f4; }
  .data-table tbody th { grid-column: 1 / -1; border: 0; border-bottom: 1px solid #e8efec; padding: 0 0 8px; font-size: .88rem; }
  .data-table tbody td { display: flex; flex-direction: column; align-items: flex-start; gap: 5px; border: 0; padding: 0 1px; font-size: .95rem; font-weight: 700; overflow-wrap: anywhere; }
  .data-table tbody td::before { display: block; font-size: .67rem; line-height: 1.2; font-weight: 600; color: #708690; }
  .data-table tbody td:nth-child(2)::before { content: "Existante"; }
  .data-table tbody td:nth-child(3)::before { content: "Correction"; }
  .data-table tbody td:nth-child(4)::before { content: "Finale"; }
  .data-table tbody td .tiny { font-size: .72rem; }
  .summary-heading { margin-top: 26px; }
  .table-note { font-size: .78rem; }
  .result-pdf-download { margin-top: 14px; }
  .diagram-card { padding: 12px; }
  .diagram-top { gap: 12px; }
  .legend { gap: 6px 12px; font-size: .75rem; }
  .diagram-actions { width: 100%; }
  .diagram-actions .button { width: 100%; }
  .svg-scroll { max-width: 100%; }
  .diagram-foot { font-size: .78rem; }
  .mini-card { padding: 22px; }
  .faq-items summary, .guide-faq summary { padding-block: 4px; }
  .footer { padding-block: 28px 35px; }
  .guide-hero { padding-block: 25px 30px; }
  .guide-nav { gap: 4px; padding: 14px; }
  .guide-nav a { font-size: .81rem; padding: 7px 9px; }
  .guide-content > section { padding-block: 25px 32px; }
  .guide-content h2 { font-size: 1.63rem; }
  .guide-figures > div { gap: 15px; }
  .guide-callout { padding: 15px; }
  .legal-page { padding-top: 30px; padding-bottom: 45px; }
  .legal-details { padding: 18px; }
}
@media screen and (max-width: 355px) {
  .brand { font-size: .80rem; }
  .hero h1 { font-size: 2.02rem; }
  .measure-row { font-size: .80rem; padding-inline: 7px; gap: 6px; }
  .measure-input input[type="number"] { width: 72px; }
  .measure-input { gap: 3px; }
  .measure-row > span:first-child { gap: 5px; }
  .metric-grid { grid-template-columns: 1fr; }
}