/*
  Cityc Alerte — feuille de style commune
  Palette : institutionnelle (bleu marine) + un seul accent (rouge alerte) réservé aux appels à l'action.
*/

:root{
  --bg:#FFFFFF;
  --surface-2:#F2F4F9;
  --surface-3:#E9EDF6;
  --ink:#121A2B;
  --ink-muted:#525C70;
  --ink-faint:#8991A3;
  --line:#E3E7F0;
  --line-strong:#CBD2E1;

  --brand:#1B3A6B;
  --brand-dark:#0F2647;
  --brand-soft:#EAF0F9;

  --accent:#C6303F;
  --accent-dark:#8F1F2B;
  --accent-soft:#FBEAEA;

  --tag-c:#2C5C7A;
  --tag-c-soft:#E4EEF4;
  --tag-e:#4B5A2E;
  --tag-e-soft:#EEF1E1;

  --ph-bg:#FAFAFB;
  --ph-line:#C7CCDA;
  --ph-text:#8991A3;

  --shadow: 0 1px 2px rgba(18,26,43,0.05), 0 12px 28px -16px rgba(18,26,43,0.16);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:"Public Sans", ui-sans-serif, system-ui, sans-serif;
  line-height:1.5; -webkit-font-smoothing:antialiased;
}
a{ color:inherit; }
img,svg{ max-width:100%; }
.mono{ font-family:"IBM Plex Mono", ui-monospace, Menlo, monospace; }
.wrap{ max-width:1120px; margin-inline:auto; padding-inline:24px; }
section{ padding-block:64px; }
h1,h2,h3{ text-wrap:balance; margin:0; font-weight:700; letter-spacing:-0.01em; }
.eyebrow{
  font-family:"IBM Plex Mono", monospace; font-size:12px; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--accent); margin:0 0 12px; font-weight:500;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px; border-radius:8px; font-weight:600; font-size:15px;
  padding:12px 22px; text-decoration:none; border:1px solid transparent; cursor:pointer;
}
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:var(--accent-dark); }
.btn-on-dark{ background:var(--accent); color:#fff; }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--line-strong); }
.btn-ghost:hover{ border-color:var(--ink-faint); }
.btn-link{ color:var(--brand); font-weight:600; font-size:14.5px; text-decoration:none; display:inline-flex; align-items:center; gap:6px; }

/* ---------- Dev notice (à retirer avant mise en production) ---------- */
.note-strip{
  max-width:1120px; margin:0 auto; padding:12px 24px; text-align:center; font-size:12.5px;
  color:var(--ink-faint); border-bottom:1px solid var(--line);
}

/* ---------- Nav ---------- */
nav.top{
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding-block:18px; border-bottom:1px solid var(--line);
}
.logo{ font-weight:800; font-size:20px; letter-spacing:-0.02em; display:flex; align-items:center; gap:8px; text-decoration:none; color:var(--ink); }
.logo .dot{ width:9px; height:9px; border-radius:50%; background:var(--accent); display:inline-block; }
.logo-sub{ font-weight:500; color:var(--ink-muted); }
.navlinks{ display:flex; gap:28px; font-size:14.5px; font-weight:600; }
.navlinks a{ text-decoration:none; color:var(--ink-muted); }
.navlinks a:hover{ color:var(--ink); }
.navcta{ display:flex; align-items:center; gap:18px; }
.navcta .tel{ font-size:13.5px; color:var(--ink-muted); font-weight:600; text-decoration:none; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; border:1px solid var(--line-strong); border-radius:8px;
  background:var(--bg); cursor:pointer; padding:0;
}
.nav-toggle span{ width:16px; height:2px; background:var(--ink); margin-inline:auto; border-radius:2px; }

.mobile-nav{
  flex-direction:column; gap:2px; border-bottom:1px solid var(--line);
  padding:8px 24px 20px;
}
.mobile-nav[hidden]{ display:none; }
.mobile-nav:not([hidden]){ display:flex; }
.mobile-nav a{
  padding:12px 4px; text-decoration:none; color:var(--ink); font-weight:600; font-size:15px;
  border-bottom:1px solid var(--line);
}
.mobile-nav .mobile-tel{ color:var(--ink-muted); font-weight:500; border-bottom:none; padding-bottom:4px; }
.mobile-nav .btn{ margin-top:12px; justify-content:center; }

@media (max-width:860px){
  .navlinks{ display:none; }
  .navcta .tel{ display:none; }
  .nav-toggle{ display:flex; }
}
@media (max-width:520px){
  .navcta .btn{ padding:10px 14px; font-size:13.5px; }
}
@media (min-width:861px){
  .mobile-nav{ display:none !important; }
}

/* ---------- Hero ---------- */
.hero{ padding-block:72px 56px; }
.hero-grid{ display:grid; grid-template-columns:1.15fr 0.85fr; gap:56px; align-items:center; }
@media (max-width:860px){ .hero-grid{ grid-template-columns:1fr; gap:40px; } }
.hero h1{ font-size:clamp(30px,4.4vw,46px); line-height:1.1; margin-bottom:18px; }
.hero .lede{ font-size:17.5px; color:var(--ink-muted); max-width:52ch; margin-bottom:30px; }
.hero-actions{ display:flex; align-items:center; gap:20px; flex-wrap:wrap; }
.hero-note{ font-size:13px; color:var(--ink-faint); margin-top:22px; }
.hero-art{ display:flex; align-items:center; justify-content:center; }

/* ---------- Pour qui / audience cards ---------- */
.who-section{ padding-top:0; }
.who-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:8px; }
@media (max-width:700px){ .who-grid{ grid-template-columns:1fr; } }
.who-card{
  border:1px solid var(--line); border-radius:16px; padding:26px 28px; background:var(--bg);
  display:flex; flex-direction:column; gap:12px; transition:border-color .15s ease;
}
.who-card:hover{ border-color:var(--line-strong); }
.who-card h3{ font-size:19px; }
.who-card p{ font-size:14.5px; color:var(--ink-muted); margin:0; flex:1; }
.who-tag{ font-size:11px; font-weight:700; letter-spacing:0.04em; text-transform:uppercase; padding:3px 9px; border-radius:100px; width:fit-content; }
.who-tag.c{ background:var(--tag-c-soft); color:var(--tag-c); }
.who-tag.e{ background:var(--tag-e-soft); color:var(--tag-e); }

/* ---------- Trust bar ---------- */
.trust{ background:var(--surface-2); }
.trust-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:14px; overflow:hidden; margin-bottom:40px; }
@media (max-width:700px){ .trust-grid{ grid-template-columns:repeat(2,1fr); } }
.trust-cell{ background:var(--bg); padding:22px 20px; text-align:center; }
.trust-cell .big{ font-size:30px; font-weight:800; color:var(--brand); font-variant-numeric:tabular-nums; }
.trust-cell .lbl{ font-size:12.5px; color:var(--ink-muted); margin-top:4px; }
.trust-cell.placeholder{ background:var(--ph-bg); }
.trust-cell.placeholder .big{ color:var(--ph-text); border:1px dashed var(--ph-line); border-radius:8px; padding:2px 10px; font-size:22px; display:inline-block; }
.trust-cell.placeholder .lbl{ color:var(--ph-text); }
.trust-cell.placeholder .lbl b{ color:var(--ink-faint); }

.logos{ display:flex; align-items:center; justify-content:center; gap:44px; flex-wrap:wrap; opacity:0.75; }
.logos span{ font-weight:700; font-size:15px; color:var(--ink-muted); letter-spacing:0.01em; }
.trust-caption{ text-align:center; font-size:13px; color:var(--ink-faint); margin-top:22px; }

/* ---------- Solutions ---------- */
.section-head{ max-width:60ch; margin-bottom:36px; }
.section-head h2{ font-size:28px; margin-bottom:10px; }
.section-head p{ color:var(--ink-muted); font-size:15px; margin:0; }
.sol-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
@media (max-width:860px){ .sol-grid{ grid-template-columns:1fr; } }
.sol-card{ border:1px solid var(--line); border-radius:16px; padding:26px; display:flex; flex-direction:column; gap:12px; }
.sol-card .icon-wrap{
  width:44px; height:44px; border-radius:11px; background:var(--brand-soft); display:flex; align-items:center; justify-content:center;
}
.sol-card .icon-wrap svg{ width:22px; height:22px; color:var(--brand); }
.sol-card h3{ font-size:16.5px; }
.sol-card p{ font-size:14px; color:var(--ink-muted); margin:0; flex:1; }

/* ---------- Case study placeholder ---------- */
.case{ background:var(--surface-2); }
.case-box{
  background:var(--bg); border:1px dashed var(--ph-line); border-radius:16px; padding:38px 40px;
  display:grid; grid-template-columns:1fr auto; gap:24px; align-items:center;
}
@media (max-width:700px){ .case-box{ grid-template-columns:1fr; } }
.case-box blockquote{ margin:0 0 14px; font-size:19px; font-style:italic; color:var(--ink); max-width:56ch; }
.case-box .who{ font-size:13.5px; color:var(--ink-muted); }
.case-flag{
  align-self:start; font-family:"IBM Plex Mono",monospace; font-size:11px; text-transform:uppercase; letter-spacing:0.06em;
  color:var(--ph-text); border:1px solid var(--ph-line); border-radius:100px; padding:4px 10px; white-space:nowrap;
}

/* ---------- Final CTA ---------- */
.cta-band{
  background:var(--brand-dark); border-radius:20px; padding:52px 48px; text-align:center;
  display:flex; flex-direction:column; align-items:center; gap:18px;
}
.cta-band h2{ color:#fff; font-size:26px; max-width:32ch; }
.cta-band p{ color:#C9D6EA; margin:0; max-width:48ch; font-size:15px; }

/* ---------- Footer ---------- */
footer{ border-top:1px solid var(--line); padding-block:48px 28px; }
.foot-grid{ display:grid; grid-template-columns:1.4fr repeat(4,1fr); gap:28px; margin-bottom:36px; }
@media (max-width:860px){ .foot-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:500px){ .foot-grid{ grid-template-columns:1fr; } }
.foot-col h4{ font-size:12px; text-transform:uppercase; letter-spacing:0.06em; color:var(--ink-faint); margin:0 0 12px; }
.foot-col a{ display:block; font-size:14px; color:var(--ink-muted); text-decoration:none; margin-bottom:9px; }
.foot-col a:hover{ color:var(--ink); }
.foot-brand p{ font-size:13.5px; color:var(--ink-muted); max-width:32ch; margin:12px 0 0; }
.foot-bottom{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; padding-top:22px; border-top:1px solid var(--line); font-size:12.5px; color:var(--ink-faint); }
.foot-bottom .partners{ display:flex; gap:16px; align-items:center; font-weight:600; opacity:0.8; }