/* ============================================================
   Pierrick Aureille — Outils — feuille de style principale
   ============================================================ */

:root{
  --bg:            #F6F7F3;
  --surface:       #FFFFFF;
  --surface-alt:   #EEF1EA;
  --ink:           #1B2420;
  --ink-soft:      #4B5750;
  --ink-faint:     #7C877F;
  --line:          #DCE1D8;
  --line-strong:   #C3CBBF;
  --primary:       #1B6F63;
  --primary-dark:  #124F46;
  --primary-tint:  #E4EFEA;
  --accent:        #E2A33B;
  --accent-dark:   #B97E22;
  --danger:        #B3432E;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --radius-s: 6px;
  --radius-m: 12px;
  --radius-l: 20px;

  --shadow-s: 0 1px 2px rgba(27,36,32,0.06), 0 1px 1px rgba(27,36,32,0.04);
  --shadow-m: 0 8px 24px rgba(27,36,32,0.08);

  --header-h: 68px;
  --subnav-h: 52px;
  --max-w: 1120px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg{ max-width: 100%; display: block; }

a{ color: var(--primary); text-decoration: none; }
a:hover{ color: var(--primary-dark); text-decoration: underline; }

h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 .5em;
  color: var(--ink);
}
h1{ font-size: clamp(2.1rem, 4vw + 1rem, 3.4rem); font-weight: 560; letter-spacing: -0.01em; }
h2{ font-size: clamp(1.5rem, 2vw + 1rem, 2.1rem); }
h3{ font-size: 1.25rem; }
p{ margin: 0 0 1em; color: var(--ink-soft); }
small, .eyebrow{ font-family: var(--font-mono); }

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--primary-dark);
  background: var(--primary-tint);
  padding: .3em .75em;
  border-radius: 999px;
  margin-bottom: 1em;
}

.container{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible{
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.visually-hidden{
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.skip-link{
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: .75em 1.25em;
  z-index: 1000;
  border-radius: 0 0 var(--radius-s) 0;
}
.skip-link:focus{ left: 0; }

/* ---------------- Header ---------------- */

.site-header{
  position: sticky; top: 0; z-index: 100;
  background: rgba(246,247,243,0.9);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.brand{
  display: flex;
  align-items: center;
  gap: .6em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  white-space: nowrap;
}
.brand:hover{ text-decoration: none; color: var(--ink); }
.brand .mark{ width: 30px; height: 30px; flex: none; }

.main-nav{
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1.9rem;
}

.main-nav ul{
  list-style: none;
  display: flex;
  gap: 1.9rem;
  margin: 0; padding: 0;
}

.main-nav a{
  color: var(--ink-soft);
  font-weight: 500;
  font-size: .96rem;
  padding: .4em 0;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover{ color: var(--primary-dark); text-decoration: none; border-bottom-color: var(--line-strong); }
.main-nav a[aria-current="page"],
.main-nav a.active{
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
}

.has-submenu{ position: relative; }
.has-submenu > button{
  display: inline-flex; align-items: center; gap: .3em;
  background: none; border: none; cursor: pointer;
  color: var(--ink-soft); font: inherit; font-weight: 500; font-size: .96rem;
  padding: .4em 0; border-bottom: 2px solid transparent;
}
.has-submenu > button:hover{ color: var(--primary-dark); }
.has-submenu.open > button{ color: var(--primary-dark); border-bottom-color: var(--primary); }
.has-submenu .chev{ width: 10px; height: 10px; transition: transform .15s ease; }
.has-submenu.open .chev{ transform: rotate(180deg); }

.dropdown{
  position: absolute; top: calc(100% + 10px); left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-m);
  padding: .5rem;
  min-width: 260px;
  display: none;
}
.has-submenu.open .dropdown{ display: block; }
.dropdown a{
  display: flex; align-items: center; gap: .6em;
  padding: .65em .75em;
  border-radius: var(--radius-s);
  color: var(--ink);
  font-size: .93rem;
}
.dropdown a:hover{ background: var(--primary-tint); text-decoration: none; color: var(--primary-dark); }
.dropdown .tool-icon{ width: 20px; height: 20px; flex: none; color: var(--primary); }

.header-actions{ display: flex; align-items: center; gap: .5rem; }

.icon-btn{
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
.icon-btn:hover{ background: var(--surface-alt); }
.icon-btn svg{ width: 20px; height: 20px; }

.nav-toggle{ display: none; }

/* search overlay */
.search-overlay{
  position: fixed; inset: 0;
  background: rgba(27,36,32,0.35);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
  z-index: 200;
}
.search-overlay.open{ display: flex; }
.search-panel{
  background: var(--surface);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
  width: min(560px, 90vw);
  padding: 1.25rem;
}
.search-panel form{
  display: flex; align-items: center; gap: .6em;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-m);
  padding: .6em .9em;
}
.search-panel input[type="search"]{
  flex: 1; border: none; outline: none; background: transparent;
  font: inherit; font-size: 1rem; color: var(--ink);
}
.search-panel svg{ width: 20px; height: 20px; color: var(--ink-faint); flex: none; }
.search-hint{ margin-top: .8em; font-size: .85rem; color: var(--ink-faint); }
.search-results{ list-style: none; margin: .8em 0 0; padding: 0; display: grid; gap: .3em; }
.search-results a{
  display: block; padding: .6em .7em; border-radius: var(--radius-s); color: var(--ink);
}
.search-results a:hover{ background: var(--primary-tint); text-decoration: none; }
.search-results .path{ display: block; font-family: var(--font-mono); font-size: .74rem; color: var(--ink-faint); }
.search-empty{ font-size: .88rem; color: var(--ink-faint); margin-top: .6em; }

/* ---------------- Sub navigation (tool scope) ---------------- */

.subnav{
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.subnav-inner{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  min-height: var(--subnav-h);
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.subnav-brand{
  display: flex; align-items: center; gap: .55em;
  font-weight: 600; font-size: .92rem; color: var(--ink);
  padding: .8em 0;
  white-space: nowrap;
}
.subnav-brand:hover{ text-decoration: none; color: var(--primary-dark); }
.subnav-brand .tool-mark{ width: 24px; height: 24px; flex: none; }

.subnav ul{
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 1.5rem; flex-wrap: wrap;
}
.subnav a{
  display: inline-block;
  font-size: .89rem;
  color: var(--ink-soft);
  padding: .9em 0;
  border-bottom: 2px solid transparent;
}
.subnav a:hover{ color: var(--primary-dark); text-decoration: none; }
.subnav a[aria-current="page"]{ color: var(--primary-dark); border-bottom-color: var(--primary); font-weight: 600; }

/* ---------------- Hero ---------------- */

.hero{
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.hero-inner{
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 3rem;
  align-items: center;
}
.hero p.lede{ font-size: 1.12rem; max-width: 46ch; }
.hero-cta{ display: flex; gap: .9rem; flex-wrap: wrap; margin-top: 1.6rem; }

.hero-visual{ display: flex; justify-content: center; }

/* ---------------- Buttons ---------------- */

.btn{
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .95rem;
  padding: .85em 1.5em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{ text-decoration: none; }
.btn:active{ transform: translateY(1px); }

.btn-primary{ background: var(--primary); color: #fff; }
.btn-primary:hover{ background: var(--primary-dark); color: #fff; }

.btn-ghost{ background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover{ background: var(--surface-alt); color: var(--ink); }

.btn-outline{ background: transparent; color: var(--primary-dark); border-color: var(--primary); }
.btn-outline:hover{ background: var(--primary-tint); color: var(--primary-dark); }

/* ---------------- Sections / cards ---------------- */

section{ padding: 4rem 0; }
section.tight{ padding: 2.5rem 0; }
.section-head{ max-width: 60ch; margin-bottom: 2.5rem; }
.section-head p{ font-size: 1.02rem; }

.grid{ display: grid; gap: 1.5rem; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }

.card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 1.75rem;
  box-shadow: var(--shadow-s);
}
.card h3{ margin-bottom: .4em; }
.card .card-icon{
  width: 40px; height: 40px;
  color: var(--primary);
  margin-bottom: 1rem;
}
.card p{ margin-bottom: 0; font-size: .95rem; }

.tool-card{
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-s);
}
.tool-card-top{
  padding: 2rem;
  background: linear-gradient(155deg, var(--primary-tint), var(--surface) 70%);
  display: flex; align-items: center; gap: 1rem;
}
.tool-card-top .tool-mark-lg{ width: 48px; height: 48px; flex: none; }
.tool-card-body{ padding: 1.75rem 2rem 2rem; }
.tool-card-body p{ font-size: .96rem; }
.tag-row{ display: flex; flex-wrap: wrap; gap: .5em; margin: 1em 0 1.4em; }
.tag{
  font-family: var(--font-mono);
  font-size: .74rem;
  background: var(--surface-alt);
  color: var(--ink-soft);
  padding: .3em .6em;
  border-radius: var(--radius-s);
}

.status-badge{
  display: inline-flex; align-items: center; gap: .4em;
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--primary-dark);
  background: var(--primary-tint);
  padding: .3em .65em;
  border-radius: 999px;
}
.status-badge .dot{ width: 7px; height: 7px; border-radius: 50%; background: var(--primary); }

/* ---------------- Feature grid on tool page ---------------- */

.feature-list{ list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.feature-list li{
  display: flex; gap: .85em;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 1.1em 1.3em;
}
.feature-list svg{ width: 22px; height: 22px; color: var(--primary); flex: none; margin-top: .1em; }
.feature-list strong{ display: block; margin-bottom: .15em; font-size: .97rem; }
.feature-list span{ color: var(--ink-soft); font-size: .9rem; }

/* ---------------- Steps ---------------- */

.steps{ counter-reset: step; list-style: none; margin: 0; padding: 0; display: grid; gap: 1.4rem; }
.steps li{
  position: relative;
  padding-left: 3.2rem;
}
.steps li::before{
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 2.3rem; height: 2.3rem;
  border-radius: 50%;
  background: var(--primary-tint);
  color: var(--primary-dark);
  font-family: var(--font-mono);
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
}
.steps h3{ margin-bottom: .25em; font-size: 1.05rem; }
.steps p{ margin: 0; font-size: .93rem; }

/* ---------------- Legal / doc pages ---------------- */

.doc-layout{
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items: start;
}
.doc-toc{
  position: sticky; top: calc(var(--header-h) + var(--subnav-h) + 24px);
  border-left: 2px solid var(--line);
  padding-left: 1rem;
}
.doc-toc p.eyebrow{ margin-bottom: .8em; }
.doc-toc ul{ list-style: none; margin: 0; padding: 0; display: grid; gap: .55em; }
.doc-toc a{ color: var(--ink-soft); font-size: .86rem; }
.doc-toc a:hover{ color: var(--primary-dark); text-decoration: none; }

.doc-content{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: clamp(1.75rem, 3vw, 3rem);
}
.doc-content .updated{
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--ink-faint);
  margin-bottom: 2rem;
  display: block;
}
.doc-content h2{
  font-size: 1.3rem;
  margin-top: 2.2em;
  padding-top: .3em;
  scroll-margin-top: calc(var(--header-h) + var(--subnav-h) + 20px);
}
.doc-content h2:first-of-type{ margin-top: 0; }
.doc-content ul{ color: var(--ink-soft); padding-left: 1.3em; }
.doc-content li{ margin-bottom: .4em; }
.doc-content strong{ color: var(--ink); }
.doc-content .callout-placeholder{
  display: inline-block;
  color: var(--accent-dark);
  background: #FBF2E1;
  border: 1px dashed var(--accent);
  border-radius: var(--radius-s);
  padding: .5em .8em;
  font-size: .88rem;
  margin: .3em 0 .8em;
}
.doc-content .callout{
  background: var(--surface-alt);
  border-left: 3px solid var(--accent);
  padding: 1em 1.2em;
  border-radius: var(--radius-s);
  margin: 1.4em 0;
  font-size: .93rem;
}

/* ---------------- Contact form ---------------- */

.contact-layout{
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3rem;
  align-items: start;
}
.contact-aside .card{ margin-bottom: 1.2rem; }
.contact-aside svg{ width: 22px; height: 22px; color: var(--primary); margin-bottom: .6em; }

.form-card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-s);
}

.form-row{ margin-bottom: 1.4rem; }
.form-row label{
  display: block; font-weight: 600; font-size: .9rem;
  margin-bottom: .45em; color: var(--ink);
}
.form-row .hint{ font-size: .78rem; color: var(--ink-faint); margin-top: .35em; }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row select,
.form-row textarea{
  width: 100%;
  font: inherit; font-size: .95rem;
  padding: .75em .9em;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  background: var(--surface);
  color: var(--ink);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  border-color: var(--primary);
}
.form-row textarea{ min-height: 160px; resize: vertical; }
.form-row.invalid input, .form-row.invalid select, .form-row.invalid textarea{
  border-color: var(--danger);
}
.error-text{
  display: none;
  color: var(--danger);
  font-size: .8rem;
  margin-top: .4em;
}
.form-row.invalid .error-text{ display: block; }

.captcha-row{
  display: flex; align-items: center; gap: .9em;
  background: var(--surface-alt);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-s);
  padding: .9em 1em;
}
.captcha-row .captcha-question{
  font-family: var(--font-mono);
  font-weight: 600;
  white-space: nowrap;
}
.captcha-row input{ max-width: 90px; }
.captcha-refresh{
  margin-left: auto;
  background: none; border: none; cursor: pointer;
  color: var(--ink-faint);
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%;
}
.captcha-refresh:hover{ background: var(--surface); color: var(--primary); }
.captcha-refresh svg{ width: 17px; height: 17px; }

.honeypot-field{ position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status{
  margin-top: 1.2rem;
  padding: .9em 1.1em;
  border-radius: var(--radius-s);
  font-size: .9rem;
  display: none;
}
.form-status.show{ display: block; }
.form-status.ok{ background: var(--primary-tint); color: var(--primary-dark); }
.form-status.err{ background: #F7E4DE; color: var(--danger); }

/* ---------------- Footer ---------------- */

.site-footer{
  border-top: 1px solid var(--line);
  background: var(--surface);
  margin-top: 4rem;
}
.footer-inner{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 24px 2.5rem;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2rem;
}
.footer-brand{ display: flex; align-items: center; gap: .6em; font-family: var(--font-display); font-weight: 600; margin-bottom: .6em; }
.footer-brand .mark{ width: 24px; height: 24px; }
.footer-col h4{ font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-faint); margin-bottom: 1em; font-family: var(--font-mono); }
.footer-col ul{ list-style: none; margin: 0; padding: 0; display: grid; gap: .6em; }
.footer-col a{ color: var(--ink-soft); font-size: .92rem; }
.footer-col a:hover{ color: var(--primary-dark); text-decoration: none; }
.footer-note{ color: var(--ink-faint); font-size: .88rem; max-width: 40ch; }
.footer-bottom{
  border-top: 1px solid var(--line);
  padding: 1.3rem 24px;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: .6em;
  font-size: .82rem; color: var(--ink-faint);
}

/* ---------------- Signature grid animation ---------------- */

.grid-signature{ width: 100%; height: auto; }
.grid-signature rect.cell{
  fill: var(--surface);
  stroke: var(--line-strong);
  stroke-width: 1;
}
.grid-signature rect.cell.fill-a{ animation: cellFill 4.5s ease-in-out infinite; }
.grid-signature rect.cell.fill-b{ animation: cellFill 4.5s ease-in-out infinite; animation-delay: 1.1s; }
.grid-signature rect.cell.fill-c{ animation: cellFill 4.5s ease-in-out infinite; animation-delay: 2.2s; }
.grid-signature rect.cell.fill-d{ animation: cellFill 4.5s ease-in-out infinite; animation-delay: 3.3s; }
.grid-signature .stream{
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 6 6;
  animation: dash 6s linear infinite;
}

@keyframes cellFill{
  0%, 100%{ fill: var(--surface); }
  35%, 65%{ fill: var(--primary); }
}
@keyframes dash{
  to{ stroke-dashoffset: -120; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .grid-signature rect.cell, .grid-signature .stream{ animation: none !important; }
  .grid-signature rect.cell.fill-a, .fill-b, .fill-c{ fill: var(--primary-tint); }
}

/* ---------------- Responsive ---------------- */

@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-visual{ order: -1; max-width: 320px; margin: 0 auto; }
  .grid-3{ grid-template-columns: 1fr 1fr; }
  .doc-layout{ grid-template-columns: 1fr; }
  .doc-toc{ position: static; border-left: none; padding-left: 0; border-top: 2px solid var(--line); padding-top: 1rem; }
  .contact-layout{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 700px){
  .main-nav{
    position: fixed; inset: var(--header-h) 0 0 0;
    background: var(--bg);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem 24px;
    transform: translateX(100%);
    transition: transform .2s ease;
    overflow-y: auto;
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav ul{ flex-direction: column; gap: 0; }
  .main-nav ul li{ border-bottom: 1px solid var(--line); }
  .main-nav a, .has-submenu > button{ display: block; padding: 1em 0; width: 100%; text-align: left; }
  .has-submenu .dropdown{ position: static; transform: none; box-shadow: none; border: none; padding-left: .5rem; display: none; }
  .has-submenu.open .dropdown{ display: block; }
  .header-actions .header-search{ order: -1; }
  .nav-toggle{
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 50%;
    border: none; background: transparent; cursor: pointer; color: var(--ink);
  }
  .nav-toggle svg{ width: 22px; height: 22px; }
  .grid-3, .grid-2{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; }
  section{ padding: 2.75rem 0; }
}