/* ============================================
   NETTO — design system
   Thème : "dossier administratif", tampon encreur,
   papier, encre. Sérieux et rassurant, pas ludique.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --paper: #EFEAE0;
  --paper-light: #F8F5EE;
  --paper-dark: #E3DCCC;
  --ink: #202821;
  --ink-soft: #57604F;
  --ink-faint: #8B9184;
  --accent: #B8402A;
  --accent-dark: #8f3020;
  --accent-2: #2B6E5E;
  --line: #CDC4AC;
  --white: #FFFFFF;
  --radius: 3px;
  --shadow-stamp: 0 1px 0 rgba(32,40,33,0.06);
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* subtle paper grain via layered gradients */
body::before{
  content:"";
  position: fixed; inset:0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(32,40,33,0.02) 0, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(32,40,33,0.025) 0, transparent 40%);
}

h1,h2,h3{
  font-family: 'Fraunces', serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 0.4em;
}

h1{ font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 700; line-height: 1.04; }
h2{ font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3{ font-size: 1.1rem; }

p{ margin: 0 0 1em; color: var(--ink-soft); }

a{ color: var(--accent-dark); }

.mono{ font-family: 'IBM Plex Mono', monospace; }

.wrap{
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ---------- Header ---------- */
.site-header{
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
}
.brand{
  display:flex; align-items:baseline; gap:10px;
  text-decoration:none; color: var(--ink);
}
.brand .mark{
  font-family:'Fraunces', serif; font-weight:700; font-size:1.5rem;
  letter-spacing:-0.02em;
}
.brand .mark::after{
  content:"."; color: var(--accent);
}
.brand .tagline{
  font-size: 0.72rem; color: var(--ink-faint); letter-spacing: 0.06em;
  text-transform: uppercase; display:none;
}
@media (min-width: 640px){ .brand .tagline{ display:inline; } }

nav.top-nav{ display:flex; gap: 22px; }
nav.top-nav a{ margin-left: 22px; }
nav.top-nav a:first-child{ margin-left: 0; }
nav.top-nav a{
  font-size: 0.86rem; text-decoration:none; color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
nav.top-nav a:hover, nav.top-nav a.active{
  color: var(--ink); border-bottom-color: var(--accent);
}

/* ---------- Stamp badge (signature element) ---------- */
.stamp{
  display:inline-flex; align-items:center; justify-content:center;
  width: 92px; height: 92px;
  border: 2.5px solid var(--accent);
  border-radius: 50%;
  position: relative;
  color: var(--accent);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-align:center;
  text-transform: uppercase;
  transform: rotate(-7deg);
  mix-blend-mode: multiply;
  flex-shrink:0;
}
.stamp::before{
  content:"";
  position:absolute; inset:6px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  opacity: 0.55;
}
.stamp span{ padding: 0 14px; }
.stamp.green{ color: var(--accent-2); border-color: var(--accent-2); }
.stamp.green::before{ border-color: var(--accent-2); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'IBM Plex Sans', sans-serif;
  font-weight: 600; font-size: 0.92rem;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1.5px solid var(--ink);
  background: var(--ink);
  color: var(--paper-light);
  cursor: pointer;
  text-decoration:none;
  transition: transform 0.08s ease, background 0.15s ease;
}
.btn:hover{ background: #333e33; }
.btn:active{ transform: translateY(1px); }
.btn.outline{
  background: transparent; color: var(--ink); border-color: var(--ink);
}
.btn.outline:hover{ background: rgba(32,40,33,0.05); }
.btn.accent{ background: var(--accent); border-color: var(--accent); }
.btn.accent:hover{ background: var(--accent-dark); }
.btn:disabled{ opacity:0.5; cursor:not-allowed; }
.btn:focus-visible, a:focus-visible, input:focus-visible, button:focus-visible, select:focus-visible{
  outline: 2px solid var(--accent-2); outline-offset: 2px;
}

/* ---------- Cards / dossiers ---------- */
.card{
  background: var(--paper-light);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}

.tool-card{
  display:flex; gap: 20px; align-items:flex-start;
  background: var(--paper-light);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  text-decoration:none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.1s ease;
}
.tool-card:hover{ border-color: var(--ink-faint); transform: translateY(-2px); }
.tool-card h3{ margin-bottom: 6px; }
.tool-card p{ margin: 0; font-size: 0.92rem; }
.tool-card .stamp{ width:64px; height:64px; font-size: 0.52rem; }

/* ---------- Form elements ---------- */
label{
  display:block; font-size: 0.82rem; font-weight:600;
  color: var(--ink-soft); margin-bottom: 6px;
  text-transform: uppercase; letter-spacing: 0.03em;
}
input[type="text"], input[type="number"], input[type="email"], input[type="password"], select, textarea{
  width:100%;
  font-family:'IBM Plex Sans', sans-serif;
  font-size: 1rem;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
}
textarea{ resize: vertical; min-height: 80px; }
.field{ margin-bottom: 18px; }
.field-row{ display:flex; gap: 14px; flex-wrap:wrap; }
.field-row > .field{ flex:1; min-width: 160px; }

.toggle-row{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom: 18px; }
.toggle-btn{
  padding: 9px 16px; border-radius: 20px; border: 1.5px solid var(--line);
  background: var(--white); font-size: 0.86rem; cursor:pointer; font-family: inherit;
}
.toggle-btn.active{ border-color: var(--accent); color: var(--accent-dark); background: #FBEDE9; }

/* ---------- Result display ---------- */
.result-box{
  background: var(--ink);
  color: var(--paper-light);
  border-radius: var(--radius);
  padding: 26px 28px;
  margin-top: 8px;
}
.result-box .result-label{
  font-size: 0.74rem; text-transform:uppercase; letter-spacing:0.08em;
  color: #A9B3A5; margin-bottom: 6px;
}
.result-box .result-value{
  font-family:'IBM Plex Mono', monospace;
  font-size: 2.4rem; font-weight:600; color: var(--white);
  line-height:1.1;
}
.result-box .result-sub{ font-size: 0.82rem; color:#A9B3A5; margin-top:6px; }

.disclaimer{
  font-size: 0.78rem; color: var(--ink-faint);
  border-left: 3px solid var(--line);
  padding: 10px 14px; margin-top: 22px;
  background: rgba(32,40,33,0.02);
}

/* ---------- Footer ---------- */
.site-footer{
  border-top: 1px solid var(--line);
  margin-top: 60px;
  padding: 28px 0 60px;
  font-size: 0.8rem;
  color: var(--ink-faint);
}
.site-footer .wrap{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }

/* ---------- Ad zones ---------- */
.ad-slot{
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 14px;
  text-align:center;
  font-size: 0.74rem;
  color: var(--ink-faint);
  margin: 30px 0;
  background: rgba(32,40,33,0.015);
}

/* ---------- Utility ---------- */
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-dark); margin-bottom: 10px; display:block;
}

.free-badge{
  display:inline-flex; align-items:center; gap:6px;
  background: #EAF1EC; color: var(--accent-2);
  border: 1px solid rgba(43,110,94,0.3);
  font-family:'IBM Plex Mono', monospace;
  font-size: 0.72rem; font-weight:600; letter-spacing:0.04em;
  padding: 6px 12px; border-radius: 20px;
  margin-bottom: 16px;
}
.free-badge::before{ content:"●"; font-size:0.6rem; color: var(--accent-2); }
.section{ padding: 54px 0; }
.grid-tools{ display:grid; gap: 16px; }
@media (min-width: 720px){ .grid-tools{ grid-template-columns: 1fr 1fr; } }

.copy-feedback{ font-size: 0.82rem; color: var(--accent-2); font-weight:600; height: 18px; }

hr.rule{ border:none; border-top:1px solid var(--line); margin: 40px 0; }

@media (max-width: 600px){
  .site-header .wrap{ flex-wrap:wrap; gap:10px; }
  nav.top-nav{ gap:14px; }
  .tool-card{ flex-direction:column; }
}