/* =========================================================
   TachiHost — identité "hébergement pro, sans prise de tête"
   Palette : ardoise bleu-gris + bleu signal + ambre chaleureux
   Typo : Space Grotesk (display) / Inter (texte) / JetBrains Mono (data)
   ========================================================= */

:root{
  --bg:#33414d;
  --bg-soft: radial-gradient(circle at 10% 6%, rgba(95,179,224,0.06), transparent 34%),
             radial-gradient(circle at 90% 94%, rgba(242,177,85,0.05), transparent 38%),
             #33414d;
  --surface:#2a343d;
  --surface-2:#313c46;
  --panel-border: rgba(203,213,225,0.12);
  --panel-border-strong: rgba(203,213,225,0.26);
  --accent:#5ab4e0;
  --accent-strong:#82c9ec;
  --accent-soft: rgba(90,180,224,0.16);
  --accent-2:#f2b155;
  --accent-2-soft: rgba(242,177,85,0.16);
  --danger:#ef7d7d;
  --text:#cbd5e1;
  --muted:#93a3b0;
  --muted-2:#67757f;

  --font-display: "Space Grotesk", ui-sans-serif, system-ui, "Segoe UI", sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Fira Code", "Cascadia Code", monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-lift: 0 4px 14px rgba(0,0,0,0.28);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--bg-soft);
  background-attachment:fixed;
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  overflow-x:hidden;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

.container{max-width:1120px;margin:0 auto;padding:2rem}
h1,h2,h3{font-family:var(--font-display); letter-spacing:-0.01em; margin:0 0 .5rem; color:var(--text)}
a{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
::selection{background:var(--accent-soft); color:var(--text)}
:focus-visible{outline:2px solid var(--accent); outline-offset:3px; border-radius:4px}

.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  color:var(--accent);
  margin:0 0 .9rem;
}
.eyebrow::before{content:"//";color:var(--muted-2)}

/* ---------------- Header / Nav ---------------- */
.site-header{
  background:rgba(42,52,61,0.78);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  position:sticky;top:0;z-index:1000;
  border-bottom:1px solid var(--panel-border);
}
.header-inner{display:flex;align-items:center;gap:1rem;padding:.85rem 0}
.logo{
  font-family:var(--font-mono);
  font-weight:600;
  color:var(--text);
  text-decoration:none;
  font-size:1rem;
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo .logo-path{color:var(--muted-2)}
.logo .logo-cursor{color:var(--accent); animation:blink 1.1s step-end infinite}
@keyframes blink{50%{opacity:0}}

.nav{margin-left:auto}
.nav-list{list-style:none;margin:0;padding:0;display:flex;gap:.35rem;align-items:center}
.nav-list a{
  font-family:var(--font-mono);
  font-size:.85rem;
  color:var(--muted);
  text-decoration:none;
  padding:.4rem .6rem;
  border-radius:6px;
  transition:color .15s, background-color .15s;
}
.nav-list a::before{content:"/"; color:var(--muted-2); margin-right:.1rem}
.nav-list a:hover{color:var(--text);background:rgba(255,255,255,0.05)}
.nav-list a.nav-external::after{content:" ↗"; color:var(--muted-2)}
.nav-toggle{display:none;background:none;border:0;font-size:1.25rem;color:var(--muted);padding:.45rem .6rem;border-radius:8px;cursor:pointer;z-index:1101}

.nas-status{
  display:inline-flex;align-items:center;gap:.45rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  padding:.3rem .65rem;
  border-radius:999px;
  border:1px solid var(--panel-border);
  color:var(--muted);
  white-space:nowrap;
}
.nas-status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--muted-2)}
.nas-status.online{color:var(--accent); border-color:var(--panel-border-strong)}
.nas-status.online::before{background:var(--accent); box-shadow:0 0 8px rgba(90,180,224,.8)}
.nas-status.offline{color:var(--danger)}
.nas-status.offline::before{background:var(--danger)}

/* ---------------- Hero ---------------- */
.hero{padding:4.5rem 0 3.5rem;border-bottom:1px solid var(--panel-border)}
.hero-copy{max-width:62ch}
.hero h1{font-size:clamp(1.9rem,3.2vw,2.6rem)}
.hero .tagline{
  font-family:var(--font-display);
  font-size:1.15rem;
  color:var(--accent-2);
  margin:0 0 1rem;
  font-weight:600;
}
.hero .lead{color:var(--muted);font-size:1.05rem;max-width:46ch;margin:0 0 1.4rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.75rem}

/* Terminal / boot panel */
.term-window{
  background:var(--surface);
  border:1px solid var(--panel-border);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-lift);
  max-width:480px;
}
.term-titlebar{
  display:flex;align-items:center;gap:.4rem;
  padding:.6rem .8rem;
  background:rgba(255,255,255,.025);
  border-bottom:1px solid var(--panel-border);
}
.term-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.14)}
.term-dot.a{background:rgba(239,125,125,.5)}
.term-dot.b{background:rgba(242,177,85,.55)}
.term-dot.c{background:rgba(90,180,224,.55)}
.term-title{margin-left:.5rem;color:var(--muted);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.03em}
.term-body{
  margin:0;padding:1rem 1.15rem 1.25rem;
  font-family:var(--font-mono);
  font-size:.8rem;line-height:1.75;
  color:var(--text);
  white-space:pre-wrap;
  min-height:8.5rem;
}
.term-body .ok{color:var(--accent)}
.term-body .dim{color:var(--muted)}

/* ---------------- Generic cards / grid ---------------- */
.grid.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem;margin-top:1rem}
.card,.spec-card,.service-card,.contact-card,.node-card,.price-card{
  background:var(--surface);
  border:1px solid var(--panel-border);
  border-radius:var(--radius-md);
  box-shadow:0 3px 10px rgba(0,0,0,0.22);
  transition:transform .2s cubic-bezier(.2,.9,.2,1), box-shadow .2s, border-color .2s;
}
.card{padding:1.1rem 1.2rem}
.card h3{font-size:1.02rem}
.card p{color:var(--muted);font-size:.94rem;margin:0}
.card:hover,.spec-card:hover,.service-card:hover,.node-card:hover,.price-card:hover{
  transform:translateY(-4px);
  box-shadow:0 6px 16px rgba(0,0,0,0.28);
  border-color:var(--panel-border-strong);
}

/* Reveal-on-scroll */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease, transform .5s ease}
.reveal.in-view{opacity:1;transform:none}

/* ---------------- Infra / nodes (accueil) ---------------- */
.node-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem;margin-top:1rem}
.node-card{padding:1.3rem 1.35rem;border-left:3px solid var(--accent-soft);display:flex;flex-direction:column;gap:.5rem}
.node-card:hover{border-left-color:var(--accent)}
.node-card .node-role{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;color:var(--accent);
}
.node-card ul{margin:.4rem 0 0;padding-left:1.1rem;color:var(--muted);font-size:.92rem;line-height:1.6}

/* ---------------- Specs ---------------- */
.specs-node-heading{
  margin:2.4rem 0 1rem;
  color:var(--accent);
  font-family:var(--font-mono);
  font-size:.85rem;
  letter-spacing:.06em;
  padding:.6rem 1rem;
  background:var(--accent-soft);
  border-left:3px solid var(--accent);
  border-radius:0 6px 6px 0;
}
.specs-node-heading:first-of-type{margin-top:0}
.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}
.spec-card{padding:1.3rem 1.35rem;border-left:3px solid var(--panel-border-strong);display:flex;flex-direction:column;gap:.6rem}
.spec-head{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.spec-head h3{margin:0;color:var(--accent);font-family:var(--font-mono);font-size:.95rem;letter-spacing:.02em}
.spec-kv{font-family:var(--font-mono);font-weight:600;color:var(--text);background:rgba(255,255,255,0.05);padding:.28rem .55rem;border-radius:6px;font-size:.82rem}
.spec-body{color:var(--muted);font-size:.94rem;line-height:1.55}
.spec-body ul{margin:.6rem 0 0;padding-left:1.1rem}
.spec-body li{margin:.2rem 0}
.spec-note{color:var(--muted-2);font-size:.86rem;margin-top:.4rem;font-family:var(--font-mono)}

/* ---------------- Services ---------------- */
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:1.1rem;margin-top:1.25rem}
.service-card{position:relative;display:flex;align-items:flex-start;gap:1rem;padding:1.3rem 1.3rem 1.3rem 96px;min-height:140px;border-left:3px solid var(--accent-2-soft)}
.service-card:hover{border-left-color:var(--accent-2)}
.svc-icon{
  position:absolute;left:20px;top:20px;width:56px;height:56px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:#101820;font-weight:700;font-family:var(--font-mono);font-size:.85rem;letter-spacing:.02em;
  box-shadow:0 8px 22px rgba(0,0,0,0.35);
}
.svc-icon--mc{background:var(--accent)}
.svc-icon--vs{background:var(--accent-strong)}
.svc-icon--bot{background:var(--accent-2)}
.svc-icon--st{background:#9aa7b1}
.svc-icon--nd{background:#5fbd97}
.svc-icon--pt{background:#a998e0}
.service-desc{color:var(--muted);font-size:.95rem;margin:.15rem 0}

/* ---------------- Pricing ---------------- */
.pricing-section{margin-top:2.75rem}
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem;margin-top:1.1rem}
.price-card{padding:1.3rem 1.35rem;display:flex;flex-direction:column;gap:.35rem}
.price-card h3{font-size:1rem;color:var(--text)}
.price-card .price-tag{font-family:var(--font-mono);font-size:1.6rem;font-weight:600;color:var(--accent-2)}
.price-card .price-tag small{font-size:.65rem;color:var(--muted);font-weight:400}
.price-card ul{margin:.5rem 0 0;padding-left:1.1rem;color:var(--muted);font-size:.9rem;line-height:1.65}
.price-note{color:var(--muted-2);font-size:.85rem;margin-top:1rem;font-family:var(--font-mono)}

.cta-banner{
  margin-top:2.5rem;
  background:var(--surface);
  border:1px solid var(--panel-border-strong);
  border-radius:var(--radius-lg);
  padding:1.75rem;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.cta-banner h3{margin:0 0 .3rem}
.cta-banner p{margin:0;color:var(--muted);max-width:52ch}

/* ---------------- Buttons ---------------- */
.btn{
  background:var(--accent);
  color:#101820;
  padding:.7rem 1.15rem;
  text-decoration:none;
  border-radius:8px;
  display:inline-block;
  font-weight:600;
  font-family:var(--font-mono);
  font-size:.88rem;
  letter-spacing:.01em;
  transition:transform .15s, opacity .15s;
}
.btn:hover{transform:translateY(-2px);opacity:.92}
.btn.btn-outline{
  background:transparent;
  color:var(--accent);
  border:1px solid var(--panel-border-strong);
}
.btn.btn-outline:hover{background:var(--accent-soft)}

/* ---------------- Sections ---------------- */
.overview,.about{padding:2.5rem 0}
.about ul{color:var(--muted);line-height:1.9;padding-left:1.2rem}
.about li::marker{color:var(--accent)}

/* ---------------- Contact ---------------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.contact-card{padding:1.3rem}
.contact-card h2,.contact-card h3{font-family:var(--font-display)}
.contact-card p{color:var(--muted)}

/* ---------------- Footer ---------------- */
.site-footer{border-top:1px solid var(--panel-border);background:rgba(0,0,0,0.14);padding:1.5rem 0;margin-top:2.5rem}
.footer-inner{display:flex;flex-direction:column;gap:.4rem}
.site-footer a{color:var(--accent)}
.site-footer .copy{font-weight:600;opacity:.7;color:var(--muted);font-size:.85rem;font-family:var(--font-mono)}
.site-footer .footer-main-link{margin:.4rem 0}
.site-footer .footer-main-link .btn{
  background:transparent;color:var(--accent);
  border:1px solid var(--panel-border-strong);
  box-shadow:none;font-size:.85rem;padding:.5rem .85rem;
}
.site-footer .footer-main-link .btn:hover{background:var(--accent-soft);transform:none}
.site-footer .muted{font-family:var(--font-body)}

main{flex:1}
.muted{color:var(--muted)}

/* ---------------- Mobile nav ---------------- */
.nav-list.open{
  display:flex;flex-direction:column;position:absolute;top:64px;right:16px;left:16px;
  background:rgba(30,38,45,0.98);border:1px solid var(--panel-border);
  padding:1rem;border-radius:10px;box-shadow:0 16px 40px rgba(0,0,0,0.55);z-index:1100
}
.nav-list.open a{display:block;padding:.65rem .4rem;color:var(--muted);border-radius:6px}

/* ---------------- Responsive ---------------- */
@media (max-width:900px){
  .contact-grid{grid-template-columns:1fr}
  .container{padding:1.25rem}
}
@media (max-width:700px){
  .nav-list:not(.open){display:none}
  .nav-toggle{display:block}
  .nas-status{order:2}
  .hero h1{font-size:1.55rem}
  .spec-grid{grid-template-columns:1fr}
  .service-card{padding-left:1rem;min-height:auto;flex-direction:row;align-items:flex-start}
  .service-card .svc-icon{position:static;width:46px;height:46px;margin-right:.75rem;left:auto;top:auto;flex:0 0 46px}
  .cta-banner{flex-direction:column;align-items:flex-start}
}
@media (max-width:420px){
  .service-card{flex-direction:column;gap:.5rem;padding-left:1rem}
  .service-card .svc-icon{width:40px;height:40px;margin-right:0;margin-bottom:.5rem}
  .service-card h3{font-size:1rem}
  .service-desc{font-size:.95rem}
}