/* ============================================================
   Crios — Calculateur ROI · Design system "Atelier de mesure"
   Palette data-driven : vert = temps récupéré, or = argent.
   Type : Space Grotesk (display) / IBM Plex Sans (body) / IBM Plex Mono (data)
   ============================================================ */

:root {
  --ink:     #16231F;  /* encre near-black teinté vert-pétrole */
  --paper:   #F4F3ED;  /* fond papier froid (≠ cream jaune) */
  --surface: #FFFFFF;  /* cartes / surface de travail */
  --signal:  #1F7A5C;  /* accent #1 — TEMPS récupéré */
  --signal-bright: #2BA379; /* variante claire pour fonds sombres */
  --coin:    #D9952A;  /* accent #2 — ARGENT */
  --coin-bright: #F0B454;   /* or clair sur fond sombre */
  --mist:    #5E6F6A;  /* texte secondaire / labels / grille */

  --ink-90: rgba(22, 35, 31, 0.90);
  --line:   rgba(22, 35, 31, 0.12);
  --line-strong: rgba(22, 35, 31, 0.22);

  /* échelle type */
  --t-xs: 0.8125rem; --t-sm: 0.9375rem; --t-base: 1.0625rem;
  --t-md: 1.3125rem; --t-lg: 1.75rem;  --t-xl: 2.5rem; --t-2xl: 3.5rem;

  --maxw: 1180px;
  --radius: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: var(--t-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* fines lignes "papier millimétré" en fond, très discrètes */
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  background-position: -1px -1px;
}

h1, h2, h3, .display {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.015em;
}

.mono { font-family: "IBM Plex Mono", ui-monospace, monospace; font-variant-numeric: tabular-nums; }

a { color: inherit; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 20px; }

/* ---------- NAV ---------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(244, 243, 237, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: "Space Grotesk"; font-weight: 600; font-size: 1.15rem; }
.brand-mark { width: 26px; height: 26px; flex: none; }
.nav-cta {
  font-family: "Space Grotesk"; font-weight: 500; font-size: var(--t-sm);
  background: var(--ink); color: var(--paper);
  padding: 9px 16px; border-radius: 9px; text-decoration: none;
  transition: transform 0.15s var(--ease), background 0.15s var(--ease);
}
.nav-cta:hover { transform: translateY(-1px); background: #0f1814; }
.nav-link { display: none; text-decoration: none; color: var(--mist); font-size: var(--t-sm); }
@media (min-width: 820px) { .nav-link { display: inline; } .nav-links { display: flex; gap: 26px; align-items: center; } }

/* ---------- HERO ---------- */
.hero { padding-top: 44px; padding-bottom: 56px; }
.hero-grid { display: grid; gap: 32px; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 1000px) { .hero-grid { grid-template-columns: 0.92fr 1.08fr; gap: 48px; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: "IBM Plex Mono"; font-size: var(--t-xs); letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--signal); font-weight: 500;
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 5px 12px; background: var(--surface);
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); }

.hero h1 { font-size: clamp(2.1rem, 6vw, var(--t-2xl)); margin-top: 18px; }
.hero h1 em { font-style: normal; color: var(--signal); }
.hero h1 .coin-word { color: #8A5A10; } /* or foncé WCAG AA sur fond clair */
.hero-sub { font-size: var(--t-md); color: var(--mist); margin-top: 18px; max-width: 30ch; line-height: 1.45; }

.assumption-chip {
  margin-top: 22px; display: inline-flex; gap: 9px; align-items: flex-start;
  font-size: var(--t-xs); color: var(--mist); background: var(--surface);
  border: 1px solid var(--line); border-left: 3px solid var(--coin);
  padding: 10px 14px; border-radius: 8px; max-width: 32ch; line-height: 1.45;
}

/* ---------- CONSOLE (signature) ---------- */
.console {
  background: var(--ink); color: var(--paper);
  border-radius: var(--radius); padding: 24px;
  box-shadow: 0 24px 60px -28px rgba(22,35,31,0.55), 0 2px 0 rgba(255,255,255,0.04) inset;
  position: relative; overflow: hidden;
}
.console::before { /* liseré gradué en haut */
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--signal-bright) 0 50%, var(--coin) 50% 100%);
}
.console-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 18px; }
.console-title { font-family: "Space Grotesk"; font-weight: 500; font-size: var(--t-sm); letter-spacing: 0.02em; opacity: 0.9; }
.console-badge { font-family: "IBM Plex Mono"; font-size: 0.72rem; color: var(--signal-bright); letter-spacing: 0.05em; text-transform: uppercase; }

/* ----- inputs / sliders ----- */
.controls { display: grid; gap: 18px; }
.ctrl { }
.ctrl-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; gap: 12px; }
.ctrl label { font-size: var(--t-sm); color: rgba(244,243,237,0.86); font-weight: 400; }
.ctrl-val { font-family: "IBM Plex Mono"; font-weight: 600; font-size: var(--t-sm); color: var(--paper); }
.ctrl-val .u { color: rgba(244,243,237,0.5); font-weight: 400; }

input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 26px;
  background: transparent; cursor: pointer; margin: 0;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 6px; border-radius: 999px;
  background: rgba(244,243,237,0.16);
}
input[type="range"]::-moz-range-track {
  height: 6px; border-radius: 999px; background: rgba(244,243,237,0.16);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 22px; height: 22px; margin-top: -8px;
  border-radius: 50%; background: var(--signal-bright);
  border: 3px solid var(--ink); box-shadow: 0 0 0 1px var(--signal-bright);
  transition: transform 0.12s var(--ease);
}
input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%; background: var(--signal-bright);
  border: 3px solid var(--ink); box-shadow: 0 0 0 1px var(--signal-bright);
}
input[type="range"]:hover::-webkit-slider-thumb { transform: scale(1.12); }
input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 3px var(--coin); }

/* number input (salaire) */
.num-wrap { display: flex; align-items: center; gap: 0; border: 1px solid rgba(244,243,237,0.22); border-radius: 8px; overflow: hidden; max-width: 170px; }
.num-wrap .sym { padding: 8px 11px; background: rgba(244,243,237,0.06); color: rgba(244,243,237,0.6); font-family: "IBM Plex Mono"; font-size: var(--t-sm); }
.num-wrap input {
  border: none; background: transparent; color: var(--paper);
  font-family: "IBM Plex Mono"; font-weight: 600; font-size: var(--t-sm);
  padding: 8px 10px; width: 100%; outline: none;
}

/* ----- outputs / odomètres ----- */
.outputs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: rgba(244,243,237,0.1); border-radius: 10px; overflow: hidden;
  margin-top: 22px;
}
.out {
  background: var(--ink); padding: 14px 14px 13px; position: relative;
}
.out-label { font-size: 0.74rem; color: rgba(244,243,237,0.6); letter-spacing: 0.02em; margin-bottom: 5px; display: flex; align-items: center; gap: 6px; }
.out-label .tag { width: 7px; height: 7px; border-radius: 2px; flex: none; }
.out-value { font-family: "IBM Plex Mono"; font-weight: 600; font-size: 1.45rem; line-height: 1.05; }
.out-value .small { font-size: 0.95rem; opacity: 0.7; }
.out.time .out-value { color: var(--signal-bright); }
.out.time .tag { background: var(--signal-bright); }
.out.money .out-value { color: var(--coin-bright); }
.out.money .tag { background: var(--coin-bright); }
.out.neutral .out-value { color: var(--paper); }
.out.neutral .tag { background: rgba(244,243,237,0.5); }

/* ----- chart ----- */
.chart-block { margin-top: 22px; }
.chart-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.chart-head .ttl { font-size: var(--t-xs); color: rgba(244,243,237,0.7); letter-spacing: 0.02em; }
.chart-head .legend { display: flex; gap: 14px; font-size: 0.72rem; color: rgba(244,243,237,0.7); }
.chart-head .legend i { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 5px; vertical-align: middle; }
.chart-canvas-wrap { position: relative; height: 168px; }

/* ---------- SECTION GENERIC ---------- */
.band { padding-block: 72px; }
.band-alt { background: var(--surface); border-block: 1px solid var(--line); }
.section-eyebrow { font-family: "IBM Plex Mono"; font-size: var(--t-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--signal); margin-bottom: 12px; }
.section-title { font-size: clamp(1.6rem, 4vw, var(--t-xl)); max-width: 18ch; }
.section-intro { color: var(--mist); margin-top: 14px; max-width: 52ch; font-size: var(--t-md); line-height: 1.45; }

/* ---------- COMMENT ÇA MARCHE — séquence 01→03 ---------- */
.steps { display: grid; gap: 28px; margin-top: 44px; grid-template-columns: 1fr; counter-reset: step; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 24px; } }
.step { position: relative; padding-top: 26px; border-top: 2px solid var(--ink); }
.step-num { font-family: "IBM Plex Mono"; font-size: var(--t-sm); color: #8A5A10; font-weight: 600; letter-spacing: 0.05em; } /* or foncé WCAG AA sur fond clair */
.step h3 { font-size: var(--t-md); margin: 12px 0 8px; }
.step p { color: var(--mist); font-size: var(--t-sm); }
.step .arrow { position: absolute; top: -13px; right: -12px; color: var(--line-strong); display: none; }
@media (min-width: 760px) { .step:not(:last-child) .arrow { display: block; } }

/* ---------- CE QUI CHANGE — bénéfices ---------- */
.benefits { display: grid; gap: 20px; margin-top: 44px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .benefits { grid-template-columns: repeat(3, 1fr); } }
.benefit {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.band-alt .benefit { background: var(--paper); }
.benefit:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -26px rgba(22,35,31,0.4); }
.benefit-illu { width: 52px; height: 52px; margin-bottom: 18px; }
.benefit h3 { font-size: var(--t-md); margin-bottom: 9px; }
.benefit p { color: var(--mist); font-size: var(--t-sm); }
.benefit .metric { font-family: "IBM Plex Mono"; font-weight: 600; color: var(--signal); display: block; margin-top: 12px; font-size: var(--t-sm); }

/* ---------- CAPTURE LEAD ---------- */
.lead-grid { display: grid; gap: 36px; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 920px) { .lead-grid { grid-template-columns: 1fr 1fr; gap: 56px; } }
.lead-copy .recap {
  margin-top: 22px; display: grid; gap: 10px; font-size: var(--t-sm);
}
.recap-row { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px dashed var(--line-strong); }
.recap-row span:first-child { color: var(--mist); }
.recap-row .mono { font-weight: 600; }
.recap-row.time .mono { color: var(--signal); }
.recap-row.money .mono { color: var(--coin); }

.lead-form {
  background: var(--ink); color: var(--paper); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: 0 24px 60px -30px rgba(22,35,31,0.55);
}
.lead-form h3 { font-size: var(--t-md); margin-bottom: 6px; }
.lead-form .form-sub { font-size: var(--t-sm); color: rgba(244,243,237,0.7); margin-bottom: 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: var(--t-xs); color: rgba(244,243,237,0.8); margin-bottom: 7px; letter-spacing: 0.01em; }
.field label .req { color: var(--coin-bright); }
.field input {
  width: 100%; padding: 12px 14px; border-radius: 9px;
  border: 1px solid rgba(244,243,237,0.2); background: rgba(244,243,237,0.05);
  color: var(--paper); font-family: "IBM Plex Sans"; font-size: var(--t-base);
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease);
}
.field input::placeholder { color: rgba(244,243,237,0.4); }
.field input:focus { outline: none; border-color: var(--signal-bright); background: rgba(244,243,237,0.09); }
.field input[aria-invalid="true"] { border-color: #E0703A; }
.field input:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
.num-wrap input:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
.num-wrap:focus-within { border-color: var(--signal-bright); }
.field .err { display: none; font-size: var(--t-xs); color: #F0A07A; margin-top: 6px; }
.field input[aria-invalid="true"] ~ .err { display: block; }

.submit-btn {
  width: 100%; margin-top: 8px; padding: 15px; border: none; border-radius: 10px;
  background: var(--signal); color: #fff; font-family: "Space Grotesk"; font-weight: 600;
  font-size: var(--t-base); cursor: pointer;
  transition: transform 0.15s var(--ease), background 0.15s var(--ease);
}
.submit-btn:hover { transform: translateY(-2px); background: var(--signal-bright); }
.submit-btn:disabled { opacity: 0.6; cursor: progress; transform: none; }
.form-note { font-size: var(--t-xs); color: rgba(244,243,237,0.55); margin-top: 14px; text-align: center; }

.form-success {
  display: none; text-align: center; padding: 16px 0;
}
.form-success.show { display: block; }
.form-success .chk { width: 54px; height: 54px; margin: 0 auto 16px; }
.form-success h3 { margin-bottom: 8px; }
.form-success p { font-size: var(--t-sm); color: rgba(244,243,237,0.75); }

/* ---------- FAQ ---------- */
.faq { margin-top: 40px; max-width: 760px; }
.faq details {
  border-top: 1px solid var(--line-strong); padding: 4px 0;
}
.faq details:last-child { border-bottom: 1px solid var(--line-strong); }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 4px; display: flex;
  justify-content: space-between; align-items: center; gap: 18px;
  font-family: "Space Grotesk"; font-weight: 500; font-size: var(--t-md);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { flex: none; transition: transform 0.2s var(--ease); color: var(--signal); }
.faq details[open] summary .ic { transform: rotate(45deg); }
.faq .answer { padding: 0 4px 22px; color: var(--mist); font-size: var(--t-sm); max-width: 64ch; }

/* ---------- FOOTER ---------- */
.footer { padding-block: 40px; border-top: 1px solid var(--line); color: var(--mist); font-size: var(--t-xs); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center; }
.footer .brand { font-size: 1rem; color: var(--ink); }
.footer .disclaimer { max-width: 46ch; line-height: 1.5; }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.001ms !important; }
}

/* utility */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* focus clavier — visibilité garantie sur tous les éléments interactifs */
:focus-visible { outline: 2px solid #1F7A5C; outline-offset: 2px; }