/* ============================================================
   AxoHost Business — Design System
   DA : noir & blanc, fond clair, style startup / product motion
   ============================================================ */

:root {
  --ink: #0a0a0a;
  --ink-2: #1d1d1f;
  --ink-3: #515154;
  --ink-4: #86868b;
  --paper: #ffffff;
  --paper-2: #f5f5f7;
  --paper-3: #e8e8ed;
  --line: rgba(0, 0, 0, 0.08);
  --line-2: rgba(0, 0, 0, 0.14);

  --ok: #1a7f37;
  --warn: #9a6700;
  --bad: #cf222e;

  --radius-s: 8px;
  --radius: 14px;
  --radius-l: 22px;

  --shadow-s: 0 1px 2px rgba(0,0,0,.05), 0 1px 8px rgba(0,0,0,.04);
  --shadow: 0 2px 6px rgba(0,0,0,.05), 0 12px 32px rgba(0,0,0,.08);
  --shadow-l: 0 4px 12px rgba(0,0,0,.06), 0 24px 64px rgba(0,0,0,.12);

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
          Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --spring: cubic-bezier(0.34, 1.4, 0.64, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--ink); color: var(--paper); }

h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.12; letter-spacing: -0.025em; font-weight: 700; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); letter-spacing: -0.03em; }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1em; }
a  { color: inherit; }
img, svg { vertical-align: middle; }
svg.icon { width: 1em; height: 1em; vertical-align: -0.125em; flex: none; }

.muted   { color: var(--ink-3); }
.subtle  { color: var(--ink-4); }
.small   { font-size: .875rem; }
.mono    { font-family: var(--mono); }
.center  { text-align: center; }

.container { width: min(1160px, 100% - 48px); margin-inline: auto; }
.container-s { width: min(760px, 100% - 48px); margin-inline: auto; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px;
  font: 600 0.95rem/1 var(--font);
  letter-spacing: -0.01em;
  border-radius: 980px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: transform .35s var(--spring), box-shadow .35s var(--ease),
              background .2s, color .2s, border-color .2s, opacity .2s;
  will-change: transform;
}
.btn:active { transform: scale(.97); }
.btn .icon { width: 17px; height: 17px; }

.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,0,0,.22); }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-1px); }

.btn-soft { background: var(--paper-2); color: var(--ink); }
.btn-soft:hover { background: var(--paper-3); }

.btn-danger { background: #fff; color: var(--bad); border-color: rgba(207,34,46,.35); }
.btn-danger:hover { background: var(--bad); color: #fff; border-color: var(--bad); }

.btn-lg { padding: 16px 30px; font-size: 1.05rem; }
.btn-sm { padding: 8px 14px; font-size: .85rem; }
.btn[disabled] { opacity: .45; pointer-events: none; }

/* ---------- Champs ---------- */
.field { margin-bottom: 18px; }
.field label {
  display: block; margin-bottom: 7px;
  font-size: .82rem; font-weight: 600; letter-spacing: .01em; color: var(--ink-2);
}
.field .hint { margin-top: 6px; font-size: .8rem; color: var(--ink-4); }

.input, select.input, textarea.input {
  width: 100%;
  padding: 13px 16px;
  font: 400 .98rem/1.4 var(--font);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-s);
  outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s;
  appearance: none;
}
.input:hover { border-color: rgba(0,0,0,.28); }
.input:focus { border-color: var(--ink); box-shadow: 0 0 0 4px rgba(0,0,0,.07); }
.input.error { border-color: var(--bad); box-shadow: 0 0 0 4px rgba(207,34,46,.08); }
textarea.input { resize: vertical; min-height: 110px; }
select.input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230a0a0a' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 42px;
}
.input-error-msg { margin-top: 6px; font-size: .82rem; color: var(--bad); display: none; }
.input-error-msg.show { display: block; animation: shake .35s var(--ease); }

.input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .input-row { grid-template-columns: 1fr; } }

/* Toggle / switch */
.switch { position: relative; display: inline-flex; width: 46px; height: 27px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .track {
  position: absolute; inset: 0; border-radius: 999px;
  background: var(--paper-3); transition: background .25s var(--ease); cursor: pointer;
}
.switch .track::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 21px; height: 21px;
  border-radius: 50%; background: #fff; box-shadow: 0 1px 4px rgba(0,0,0,.25);
  transition: transform .3s var(--spring);
}
.switch input:checked + .track { background: var(--ink); }
.switch input:checked + .track::after { transform: translateX(19px); }

/* Radio cards */
.choice-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.choice {
  position: relative; display: block; padding: 18px;
  border: 1.5px solid var(--line-2); border-radius: var(--radius);
  cursor: pointer; background: var(--paper);
  transition: border-color .2s, box-shadow .25s var(--ease), transform .25s var(--ease);
}
.choice:hover { transform: translateY(-2px); box-shadow: var(--shadow-s); }
.choice input { position: absolute; opacity: 0; }
.choice .choice-title { display:flex; align-items:center; gap:10px; font-weight: 650; letter-spacing: -0.01em; }
.choice .choice-title .icon { width: 20px; height: 20px; }
.choice .choice-desc { margin-top: 5px; font-size: .84rem; color: var(--ink-4); }
.choice:has(input:checked) {
  border-color: var(--ink);
  box-shadow: 0 0 0 1px var(--ink), var(--shadow-s);
}
.choice:has(input:checked)::after {
  content: ""; position: absolute; top: 14px; right: 14px; width: 20px; height: 20px;
  border-radius: 50%; background: var(--ink);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-size: 12px; background-position: center; background-repeat: no-repeat;
  animation: pop .35s var(--spring);
}

/* ---------- Cartes ---------- */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 28px;
  box-shadow: var(--shadow-s);
}
.card-hover { transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px; border-radius: 999px;
  font-size: .74rem; font-weight: 650; letter-spacing: .02em;
  background: var(--paper-2); color: var(--ink-2);
}
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-ok    { background: rgba(26,127,55,.09);  color: var(--ok); }
.badge-warn  { background: rgba(154,103,0,.10);  color: var(--warn); }
.badge-bad   { background: rgba(207,34,46,.08);  color: var(--bad); }
.badge-ink   { background: var(--ink); color: #fff; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.data { width: 100%; border-collapse: collapse; font-size: .92rem; }
table.data th {
  text-align: left; padding: 12px 18px;
  font-size: .74rem; font-weight: 650; letter-spacing: .05em; text-transform: uppercase;
  color: var(--ink-4); border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
table.data td { padding: 14px 18px; border-bottom: 1px solid var(--line); }
table.data tr:last-child td { border-bottom: 0; }
table.data tr { transition: background .15s; }
table.data tbody tr:hover { background: var(--paper-2); }

/* ---------- Navbar plateforme ---------- */
.nav {
  position: sticky; top: 0; z-index: 90;
  backdrop-filter: saturate(1.8) blur(18px);
  -webkit-backdrop-filter: saturate(1.8) blur(18px);
  background: rgba(255,255,255,.78);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; gap: 30px;
  height: 60px;
}
.nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 750; letter-spacing: -0.02em; text-decoration: none; font-size: 1.02rem; }
.nav .brand img { height: 26px; width: auto; }
.nav .brand .biz { color: var(--ink-4); font-weight: 500; }
.nav-links { display: flex; gap: 4px; margin-left: 8px; }
.nav-links a {
  padding: 8px 13px; border-radius: 8px;
  font-size: .9rem; font-weight: 520; color: var(--ink-3); text-decoration: none;
  transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--ink); background: var(--paper-2); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }
@media (max-width: 760px) { .nav-links { display: none; } }

/* ---------- Hero / sections vitrine ---------- */
.hero { padding: 110px 0 80px; text-align: center; position: relative; overflow: hidden; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; margin-bottom: 26px;
  border: 1px solid var(--line-2); border-radius: 999px;
  font-size: .8rem; font-weight: 600; color: var(--ink-3);
  background: rgba(255,255,255,.6);
}
.hero .eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); animation: pulse 2.2s infinite; }
.hero h1 .line { display: block; }
.hero .lede { max-width: 620px; margin: 18px auto 34px; font-size: 1.18rem; color: var(--ink-3); }
.hero-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 16px; font-size: .82rem; color: var(--ink-4); }

.hero-bg {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(560px 300px at 20% 0%, rgba(0,0,0,.045), transparent 70%),
    radial-gradient(560px 300px at 80% 10%, rgba(0,0,0,.035), transparent 70%);
}
.hero-grid {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 65% at 50% 0%, #000 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 65% at 50% 0%, #000 40%, transparent 75%);
}

.section { padding: 90px 0; }
.section-alt { background: var(--paper-2); }
.section-head { max-width: 640px; margin: 0 auto 54px; text-align: center; }
.section-head .kicker {
  display: block; margin-bottom: 12px;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-4);
}

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 18px; }
.feature {
  padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-l);
  background: var(--paper); transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature .icon-tile {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; margin-bottom: 16px;
  border-radius: 12px; background: var(--ink); color: #fff;
}
.feature .icon-tile .icon { width: 21px; height: 21px; }
.feature h3 { font-size: 1.06rem; margin-bottom: 6px; }
.feature p { font-size: .92rem; color: var(--ink-3); margin: 0; }

/* Steps (comment ça marche) */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.step { position: relative; padding: 26px 24px 24px; border-radius: var(--radius-l); background: #fff; border: 1px solid var(--line); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  display: block; margin-bottom: 14px;
  font: 800 .95rem var(--mono); color: var(--ink-4); letter-spacing: .05em;
}

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 18px; text-align: center; }
.stat .num { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.04em; }
.stat .lbl { font-size: .85rem; color: var(--ink-4); font-weight: 550; }

/* FAQ */
.faq { max-width: 720px; margin-inline: auto; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 18px 4px; cursor: pointer; list-style: none;
  font-weight: 620; letter-spacing: -0.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .chev { flex: none; width: 18px; height: 18px; transition: transform .35s var(--ease); }
.faq details[open] summary .chev { transform: rotate(180deg); }
.faq .faq-body { padding: 0 4px 20px; color: var(--ink-3); font-size: .95rem; }

/* Bandeau CTA final */
.cta-panel {
  padding: 72px 40px; text-align: center;
  background: var(--ink); color: #fff;
  border-radius: 28px;
}
.cta-panel h2 { color: #fff; }
.cta-panel p { color: rgba(255,255,255,.65); max-width: 520px; margin: 0 auto 30px; }
.cta-panel .btn-primary { background: #fff; color: var(--ink); }
.cta-panel .btn-primary:hover { box-shadow: 0 8px 28px rgba(255,255,255,.25); }

/* Footer */
.footer { padding: 56px 0 40px; border-top: 1px solid var(--line); font-size: .88rem; color: var(--ink-4); }
.footer-grid { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; margin-bottom: 32px; }
.footer a { color: var(--ink-3); text-decoration: none; }
.footer a:hover { color: var(--ink); }
.footer .cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer .col h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-4); margin-bottom: 12px; }
.footer .col a { display: block; padding: 4px 0; }

/* ---------- Animations d'apparition ---------- */
.reveal { transition: opacity .8s var(--ease), transform .8s var(--ease); }
html.js .reveal { opacity: 0; transform: translateY(26px); }
html.js .reveal.in { opacity: 1; transform: none; }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }
.reveal-d4 { transition-delay: .32s; }

@keyframes pop   { 0% { transform: scale(.4); } 70% { transform: scale(1.12); } 100% { transform: scale(1); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
@keyframes shake { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes spin  { to { transform: rotate(360deg); } }

.spinner {
  width: 22px; height: 22px; border-radius: 50%;
  border: 2.5px solid var(--paper-3); border-top-color: var(--ink);
  animation: spin .8s linear infinite;
}

/* ---------- Toasts ---------- */
#toasts { position: fixed; bottom: 24px; right: 24px; z-index: 999; display: flex; flex-direction: column; gap: 10px; }
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 18px; border-radius: 12px;
  background: var(--ink); color: #fff; font-size: .9rem; font-weight: 520;
  box-shadow: var(--shadow-l);
  animation: fadeUp .4s var(--spring);
}
.toast.bad { background: var(--bad); }
.toast .icon { width: 16px; height: 16px; flex: none; }

/* ---------- Modales ---------- */
.modal-back {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(10,10,10,.42);
  backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.modal-back.open { display: flex; animation: fadeUp .25s ease; }
.modal {
  width: min(560px, 100%); max-height: 88vh; overflow: auto;
  background: #fff; border-radius: var(--radius-l); padding: 30px;
  box-shadow: var(--shadow-l);
  animation: pop .35s var(--spring);
}
.modal h3 { margin-bottom: 18px; }

/* ---------- Réduction de mouvement ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}