/* zelij.ai — site corporate. Identité : zellige (des carreaux autonomes qui
   composent un ensemble = des agents qui composent une entreprise).
   Palette cobalt/émeraude/safran sur papier chaud, encre bleutée. */

:root {
  --paper: #f6f3ec;
  --paper-deep: #efeade;
  --ink: #12151c;
  --ink-soft: #1c2029;
  --cobalt: #1e3eb8;
  --cobalt-deep: #162f8d;
  --emerald: #0d6b4f;
  --saffron: #d9a03d;
  --muted: #5c6270;
  --line: #ddd6c8;
  --line-dark: #2a2f3b;
  --radius: 14px;
  --font-display: "Archivo", "Arial Black", sans-serif;
  --font-body: "Instrument Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 17px;
}

a { color: var(--cobalt); }
img { max-width: 100%; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 28px; padding: 14px 24px; max-width: 1080px; margin: 0 auto; }
.logo { font-family: var(--font-display); font-weight: 800; font-size: 20px; letter-spacing: -0.02em; color: var(--ink); text-decoration: none; }
.logo .dot { color: var(--cobalt); }
.nav-links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  background: var(--cobalt); color: #fff !important; padding: 9px 18px;
  border-radius: 999px; font-weight: 600; font-size: 14px !important;
}
.nav-cta:hover { background: var(--cobalt-deep); }
.lang-switch { font-family: var(--font-mono); font-size: 13px !important; border: 1px solid var(--line); padding: 5px 10px; border-radius: 8px; }
@media (max-width: 760px) { .nav-links a:not(.nav-cta):not(.lang-switch) { display: none; } }

/* ---------- hero ---------- */
.hero { background: var(--ink); color: #f2efe7; position: relative; overflow: hidden; }
.hero-motif { position: absolute; inset: 0; opacity: 0.5; pointer-events: none; }
.hero-inner { position: relative; padding: 96px 24px 72px; max-width: 1080px; margin: 0 auto; }
.eyebrow {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--saffron); margin-bottom: 22px;
}
.hero h1 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(34px, 6vw, 62px); line-height: 1.06;
  letter-spacing: -0.025em; text-wrap: balance; max-width: 17ch;
}
.hero h1 .human { color: var(--saffron); }
.hero .sub { max-width: 56ch; margin-top: 24px; font-size: 19px; color: #c8c4b8; }
.hero-actions { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 600;
  padding: 14px 28px; border-radius: 999px; font-size: 16px;
}
.btn-primary { background: var(--cobalt); color: #fff; }
.btn-primary:hover { background: var(--cobalt-deep); }
.btn-ghost { border: 1px solid var(--line-dark); color: #f2efe7; }
.btn-ghost:hover { border-color: #f2efe7; }

.hero-stats {
  display: flex; gap: 0; margin-top: 64px; border: 1px solid var(--line-dark);
  border-radius: var(--radius); overflow: hidden; flex-wrap: wrap;
}
.stat { flex: 1; min-width: 180px; padding: 20px 24px; border-right: 1px solid var(--line-dark); }
.stat:last-child { border-right: none; }
.stat b { display: block; font-family: var(--font-display); font-size: 32px; font-weight: 800; color: #fff; font-variant-numeric: tabular-nums; }
.stat span { font-size: 13.5px; color: #9a968c; }

/* ---------- sections ---------- */
section { padding: 88px 0; }
section.alt { background: var(--paper-deep); }
.section-head { margin-bottom: 48px; max-width: 640px; }
.kicker {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--cobalt); margin-bottom: 12px;
}
h2 {
  font-family: var(--font-display); font-weight: 800; font-size: clamp(26px, 4vw, 40px);
  letter-spacing: -0.02em; line-height: 1.12; text-wrap: balance;
}
.section-head p { margin-top: 14px; color: var(--muted); font-size: 17.5px; }

/* manifeste */
.principles { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.principle {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; position: relative;
}
.principle::before {
  content: ""; position: absolute; top: 0; left: 28px; right: auto;
  width: 44px; height: 4px; border-radius: 0 0 4px 4px; background: var(--cobalt);
}
.principle:nth-child(2)::before { background: var(--emerald); }
.principle:nth-child(3)::before { background: var(--saffron); }
.principle h3 { font-family: var(--font-display); font-size: 19px; font-weight: 700; margin: 10px 0 10px; letter-spacing: -0.01em; }
.principle p { font-size: 15.5px; color: var(--muted); }

/* pipeline */
.pipeline { list-style: none; counter-reset: step; display: grid; gap: 0; }
.pipeline li {
  display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding: 22px 0;
  border-bottom: 1px solid var(--line); align-items: start;
}
.pipeline li:last-child { border-bottom: none; }
.step-id {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--cobalt);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 0;
  text-align: center; background: #fff; margin-top: 2px;
}
.pipeline h3 { font-size: 17px; font-weight: 700; }
.pipeline p { font-size: 15.5px; color: var(--muted); margin-top: 4px; max-width: 62ch; }
.pipeline .gate { border-left: 3px solid var(--emerald); padding-left: 17px; margin-left: -20px; }
.gate-badge {
  display: inline-block; font-family: var(--font-mono); font-size: 11.5px;
  background: var(--emerald); color: #fff; border-radius: 6px; padding: 2px 8px;
  vertical-align: 2px; margin-left: 8px; letter-spacing: 0.05em;
}

/* offres */
.offers { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.offer {
  background: var(--ink); color: #e8e5db; border-radius: var(--radius);
  padding: 36px 32px; display: flex; flex-direction: column;
}
.offer .kicker { color: var(--saffron); }
.offer h3 { font-family: var(--font-display); font-size: 24px; font-weight: 800; color: #fff; letter-spacing: -0.015em; }
.offer p.lead { margin-top: 12px; color: #b8b4a8; font-size: 16px; }
.offer ul { list-style: none; margin: 22px 0 26px; display: grid; gap: 10px; }
.offer li { padding-left: 26px; position: relative; font-size: 15px; }
.offer li::before { content: "▪"; position: absolute; left: 0; color: var(--cobalt); }
.offer .terms { margin-top: auto; font-family: var(--font-mono); font-size: 12.5px; color: #9a968c; border-top: 1px solid var(--line-dark); padding-top: 16px; }

/* équipe */
.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 14px; }
.agent {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; transition: border-color 0.15s ease;
}
.agent:hover { border-color: var(--cobalt); }
.agent-id {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--cobalt);
  background: #eef1fb; border-radius: 6px; padding: 2px 8px; display: inline-block;
}
.agent b { display: block; margin-top: 10px; font-size: 16px; }
.agent span { font-size: 13.5px; color: var(--muted); }
.agent.human { background: var(--ink); border-color: var(--ink); color: #f2efe7; grid-column: 1 / -1; display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.agent.human .agent-id { color: var(--saffron); background: var(--ink-soft); }
.agent.human b { margin-top: 0; font-size: 17px; }
.agent.human span { color: #b8b4a8; max-width: 62ch; }

/* réalisations */
.works { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.work { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.work .kicker { color: var(--emerald); }
.work h3 { font-family: var(--font-display); font-size: 21px; font-weight: 700; letter-spacing: -0.01em; }
.work p { margin-top: 10px; color: var(--muted); font-size: 15.5px; }
.work a { font-weight: 600; font-size: 15px; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-note { font-size: 15.5px; color: var(--muted); }
.contact-note .assurance {
  margin-top: 22px; border-left: 3px solid var(--emerald); padding: 4px 0 4px 16px;
  font-size: 14.5px;
}
form.quote { display: grid; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
form.quote label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
form.quote input, form.quote select, form.quote textarea {
  font: inherit; font-size: 16px; padding: 12px 14px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--paper); color: var(--ink); width: 100%;
}
form.quote textarea { min-height: 140px; resize: vertical; }
form.quote input:focus, form.quote select:focus, form.quote textarea:focus { outline: 2px solid var(--cobalt); outline-offset: 1px; border-color: var(--cobalt); }
form.quote button {
  font: inherit; font-weight: 700; font-size: 16px; padding: 15px; border: none;
  border-radius: 999px; background: var(--cobalt); color: #fff; cursor: pointer;
}
form.quote button:hover { background: var(--cobalt-deep); }
form.quote button:disabled { opacity: 0.6; cursor: wait; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-status { font-size: 15px; display: none; padding: 14px 16px; border-radius: 10px; }
.form-status.ok { display: block; background: #e7f2ec; color: var(--emerald); }
.form-status.err { display: block; background: #f7e8e6; color: #a3342c; }

/* footer */
footer { background: var(--ink); color: #9a968c; padding: 48px 0; font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer a { color: #c8c4b8; }
footer .logo { color: #fff; }

:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 2px; }