/* Kilometro — maquettes de page d'accueil. Charte reprise de src/styles.css :
   papier, encre, une seule couleur signal (sur l'encre), angles droits, filets de 1 px. */
@font-face { font-family: "Archivo Variable"; font-style: normal; font-display: swap; font-weight: 100 900; font-stretch: 62% 125%;
  src: url(/fonts/archivo-latin-wdth-normal.woff2) format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Archivo Variable"; font-style: normal; font-display: swap; font-weight: 100 900; font-stretch: 62% 125%;
  src: url(/fonts/archivo-latin-ext-wdth-normal.woff2) format("woff2-variations");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-display: swap; font-weight: 400; src: url(/fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-display: swap; font-weight: 500; src: url(/fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2"); }

:root {
  --paper: #f3f1ec;
  --paper-2: #e9e6df;
  --ink: #121212;
  --muted: #5d5a54;
  --rule: #cfcac0;
  --rule-ink: #3a3a37;
  --signal: #d7ff3a;
  --display: "Archivo Variable", "Archivo", "Arial Narrow", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --wrap: 1320px;
  --gutter: clamp(20px, 4vw, 48px);
  --header: 60px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { background: var(--paper); color: var(--ink); font-family: var(--display); font-size: 17px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.on-dark :focus-visible, .band-ink :focus-visible { outline-color: var(--signal); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.num { font-variant-numeric: tabular-nums; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Typo */
.display { font-family: var(--display); font-stretch: 72%; font-weight: 800; text-transform: uppercase; line-height: 0.9; letter-spacing: -0.01em; font-size: clamp(46px, 6.4vw, 92px); }
.display-md { font-size: clamp(38px, 4.6vw, 68px); }
.kicker { font-family: var(--mono); font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 18px; }
.lede { font-size: 19px; max-width: 32em; margin: 22px 0 28px; color: #2b2a27; }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 0 22px; font-weight: 700; font-size: 17px; border: 1px solid var(--ink); text-decoration: none; transition: background 0.15s, color 0.15s, border-color 0.15s; }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-ink:hover { background: var(--signal); color: var(--ink); }
.btn-line:hover { background: var(--ink); color: var(--paper); }
.btn-paper { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn-paper:hover { background: var(--signal); border-color: var(--signal); }
.btn-ghost { color: var(--paper); border-color: rgba(243, 241, 236, 0.6); }
.btn-ghost:hover { background: var(--paper); color: var(--ink); }
.btn .arrow { font-family: var(--mono); font-weight: 400; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* En-tête */
.site-header { position: sticky; top: 0; z-index: 40; background: var(--paper); border-bottom: 1px solid var(--ink); }
.header-row { display: flex; align-items: center; justify-content: space-between; height: var(--header); gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-stretch: 72%; font-weight: 800; font-size: 26px; letter-spacing: 0.02em; text-decoration: none; }
.logo-mark { width: 22px; height: 22px; border: 2.5px solid currentColor; border-radius: 50%; position: relative; }
.logo-mark::after { content: ""; position: absolute; left: 50%; top: -2.5px; width: 2.5px; height: 9px; background: currentColor; transform: translateX(-50%); }
.main-nav { display: flex; gap: 28px; }
.main-nav a, .header-cta { font-family: var(--mono); font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; text-decoration: none; padding: 6px 0; border-bottom: 1px solid transparent; }
.main-nav a:hover { border-bottom-color: var(--ink); }
.header-cta { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; background: var(--ink); color: var(--paper); border: 0; }
.header-cta:hover { background: var(--signal); color: var(--ink); }

/* Compteur façon GPS de guidon */
.computer { display: grid; grid-template-columns: repeat(3, auto); background: var(--ink); color: var(--paper); width: max-content; max-width: 100%; }
.computer div { padding: 12px 18px 10px; }
.computer div + div { border-left: 1px solid var(--rule-ink); }
.computer dt { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: #a9a59c; }
.computer dd { font-stretch: 72%; font-weight: 800; font-size: clamp(28px, 3vw, 42px); line-height: 1.05; color: var(--signal); font-variant-numeric: tabular-nums; }
.computer small { font-size: 0.42em; font-weight: 500; color: var(--paper); margin-left: 4px; font-stretch: 100%; }

/* Bandeaux */
.band { padding: clamp(56px, 8vw, 112px) 0; border-top: 1px solid var(--ink); }
.band-ink { background: var(--ink); color: var(--paper); border-top: 0; }
.band-ink .kicker { color: #a9a59c; }
.band-head { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: end; margin-bottom: 40px; }
.band-head p { max-width: 30em; color: #34332f; }
.band-ink .band-head p { color: #bdb9b0; }

/* 1. Comment ça marche */
.how { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.how li { padding: 22px 28px 0 0; }
.how li + li { padding-left: 28px; border-left: 1px solid var(--rule); }
.how-n { font-family: var(--mono); font-size: 13px; }
.how h3 { font-stretch: 72%; font-weight: 800; font-size: 32px; text-transform: uppercase; line-height: 1; margin: 8px 0 10px; }
.how p { color: #34332f; max-width: 26em; }

/* 2. Les six styles */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2.4vw, 32px); }
.gallery figure { display: grid; gap: 10px; }
.gallery img, .gallery canvas { width: 100%; height: auto; aspect-ratio: 5 / 7; display: block; background: var(--paper-2); }
.gallery figcaption { font-size: 14px; color: #bdb9b0; }
.gallery figcaption b { color: var(--signal); font-family: var(--mono); font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; margin-right: 8px; }

/* 3. Formules */
.offers { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--ink); }
.offer { display: flex; flex-direction: column; gap: 14px; padding: 28px; }
.offer + .offer { border-left: 1px solid var(--ink); }
.offer-name { font-family: var(--mono); font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; }
.offer-price { font-stretch: 72%; font-weight: 800; font-size: clamp(56px, 6vw, 84px); line-height: 0.9; font-variant-numeric: tabular-nums; }
.offer-price small { font-size: 0.42em; margin-left: 4px; }
.offer ul { list-style: none; display: grid; gap: 6px; color: #34332f; font-size: 16px; flex: 1; }
.offer li::before { content: "— "; color: var(--muted); }
.offer .btn { align-self: flex-start; }
.offer-note { margin-top: 16px; font-family: var(--mono); font-size: 12px; color: var(--muted); }

/* 4. Bande photos */
.strip { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.strip img { width: 100%; height: clamp(260px, 30vw, 440px); object-fit: cover; }
.strip img + img { border-left: 1px solid var(--ink); }

/* 5. Cadeau de Noël */
.gift { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 80px); align-items: center; }
.gift img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.gift ol { list-style: none; display: grid; margin: 4px 0 28px; border-top: 1px solid var(--rule-ink); }
.gift li { display: grid; grid-template-columns: 40px 1fr; gap: 10px; padding: 14px 0; border-bottom: 1px solid var(--rule-ink); color: #d9d5cc; }
.gift li span { font-family: var(--mono); font-size: 13px; color: var(--signal); padding-top: 3px; }
.gift .lede { color: #d9d5cc; }

/* 6. Guides */
.guides { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2.4vw, 32px); }
.guide { display: grid; gap: 12px; text-decoration: none; border: 1px solid var(--rule); background: #f7f5f1; }
.guide img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.guide div { padding: 0 18px 20px; display: grid; gap: 6px; }
.guide .kicker { margin: 0; }
.guide h3 { font-stretch: 72%; font-weight: 800; font-size: 26px; text-transform: uppercase; line-height: 1; }
.guide p { font-size: 15px; color: var(--muted); }
.guide:hover { border-color: var(--ink); }
.guide:hover h3 { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }

/* 7. Questions */
.faq-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.faq details { border-bottom: 1px solid var(--ink); }
.faq details:first-child { border-top: 1px solid var(--ink); }
.faq summary { list-style: none; display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 18px 0; font-weight: 700; font-size: 19px; cursor: pointer; min-height: 44px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); font-weight: 400; font-size: 22px; }
.faq details[open] summary::after { content: "\2212"; }
.faq p { padding: 0 0 20px; max-width: 40em; color: #34332f; }

/* Appel final + pied */
.final { text-align: left; }
.final .wrap { display: flex; justify-content: space-between; align-items: end; gap: 32px; flex-wrap: wrap; }
.site-footer { background: var(--ink); color: var(--paper); padding: 40px 0; }
.footer-row { display: grid; grid-template-columns: 1fr 2fr; gap: 32px; }
.footer-row p { font-size: 13px; color: #a9a59c; max-width: 46em; }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 20px; list-style: none; margin-top: 14px; font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; }
.footer-links a { color: var(--paper); text-decoration: none; border-bottom: 1px solid var(--rule-ink); }
.footer-links a:hover { border-bottom-color: var(--signal); }

/* Arrivée des textes du hero (pilotée par JS : classe .is-in) */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s cubic-bezier(.2,.7,.2,1), transform 0.7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; } .reveal.d2 { transition-delay: 0.16s; } .reveal.d3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .main-nav { display: none; }
  .band-head, .faq-grid, .gift, .footer-row { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .how, .offers, .guides { grid-template-columns: 1fr; }
  .how li, .how li + li { padding: 22px 0; border-left: 0; border-bottom: 1px solid var(--rule); }
  .offer + .offer { border-left: 0; border-top: 1px solid var(--ink); }
  .strip { grid-template-columns: 1fr 1fr; }
  .strip img:first-child { grid-column: 1 / -1; }
  .strip img:nth-child(2) { border-left: 0; }
  .strip img + img { border-top: 1px solid var(--ink); }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .lede { font-size: 17px; }
  .gallery { gap: 12px; }
  .gallery figcaption { font-size: 12px; }
  .gallery figcaption b { display: block; }
  .strip img { height: 220px; }
  .offer { padding: 22px; }
  .computer div { padding: 10px 12px 8px; }
  .header-cta { padding: 0 10px; font-size: 12px; }
  .logo { font-size: 22px; }
}