:root{
  --navy-dark:#0E2A47;
  --navy-light:#123A63;
  --teal:#20C4A8;
  --black:#0B1220;
  --ink:#16202b;
  --muted:#5b6b7a;
  --bg:#f7f9fb;
  --card-bg:#ffffff;
  --border:#e4e9ee;
  --radius:14px;
  font-size:16px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
}
h1,h2,h3{
  font-family:inherit;
  color:var(--navy-dark);
  line-height:1.2;
  margin:0 0 .6em;
}
h1{font-size:clamp(2rem,4vw,3rem);}
h2{font-size:clamp(1.5rem,2.5vw,2.1rem); text-align:center; margin-bottom:1em;}
p{margin:0 0 1em;}
a{color:inherit;}
.container{max-width:1080px;margin:0 auto;padding:0 24px;}

/* Header */
.site-header{
  position:sticky; top:0; z-index:10;
  background:linear-gradient(120deg,var(--navy-dark),var(--navy-light));
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.brand{display:flex;align-items:center;}
.nav{display:flex; gap:28px;}
.nav a{
  color:#dfe8f2; text-decoration:none; font-weight:500; font-size:.95rem;
  transition:color .15s;
}
.nav a:hover{color:#fff;}
.nav-cta{display:inline-block;}

/* Buttons */
.btn{
  display:inline-block;
  padding:.75em 1.5em;
  border-radius:999px;
  font-weight:600;
  text-decoration:none;
  font-size:.95rem;
  transition:transform .15s, box-shadow .15s, background .15s;
}
.btn-accent{
  background:var(--teal);
  color:#04231d;
}
.btn-accent:hover{transform:translateY(-1px); box-shadow:0 6px 16px rgba(32,196,168,.35);}
.btn-ghost{
  background:transparent;
  color:#eef3f8;
  border:1px solid rgba(255,255,255,.4);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);}
.btn-outline{
  background:transparent;
  color:var(--navy-dark);
  border:1.5px solid var(--navy-dark);
  cursor:pointer;
  font-family:inherit;
}
.btn-outline:hover{background:rgba(14,42,71,.06);}
.btn-lg{font-size:1.1rem; padding:.9em 2em;}

/* Hero */
.hero{
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(32,196,168,.25), transparent 60%),
    linear-gradient(160deg,var(--navy-dark),var(--black));
  color:#eef3f8;
  padding:110px 0 90px;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
}
.eyebrow{
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:.8rem;
  font-weight:700;
  color:var(--teal);
  margin-bottom:1em;
}
.hero h1{color:#fff;}
.hero .lead{color:#c4d2e0; font-size:1.15rem; max-width:60ch;}
.hero-actions{display:flex; gap:16px; margin-top:2em; flex-wrap:wrap;}

/* Hero network diagram */
.hero-visual{display:flex; justify-content:center;}
.network-diagram{width:100%; max-width:460px; height:auto;}
.network-diagram .link{
  stroke:#20C4A8; stroke-opacity:.45; stroke-width:1.5; stroke-dasharray:4 5;
  animation:flowDash 1.4s linear infinite;
}
@keyframes flowDash{
  to{stroke-dashoffset:-18;}
}
@media (prefers-reduced-motion:reduce){
  .network-diagram .link{animation:none;}
}
.network-diagram .node{
  fill:rgba(255,255,255,.06);
  stroke:rgba(255,255,255,.35);
  stroke-width:1.2;
}
.network-diagram .node-center{
  fill:rgba(32,196,168,.15);
  stroke:#20C4A8;
  stroke-width:1.6;
}
.network-diagram .icon-stroke{stroke:#eef3f8; stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}
.network-diagram .icon-dot{fill:#eef3f8;}
.network-diagram .node-label{
  fill:#9fb0c0; font-size:12px; text-anchor:middle;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
.network-diagram .signal-dot{fill:#20C4A8; filter:drop-shadow(0 0 3px rgba(32,196,168,.9));}
.network-diagram .ping-ring{fill:none; stroke:#20C4A8; stroke-width:2;}
.network-diagram .node-glow{fill:none; stroke:#20C4A8; stroke-width:1.5;}

/* Tech stack strip */
.stack-section{
  background:var(--black);
  padding:28px 0;
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.stack-inner{
  display:flex; align-items:center; gap:20px;
  flex-wrap:wrap;
}
.stack-label{
  margin:0; color:#7e93a7; font-size:.78rem; font-weight:700;
  text-transform:uppercase; letter-spacing:.08em; white-space:nowrap;
}
.stack-badges{display:flex; flex-wrap:wrap; gap:10px;}
.stack-badges span{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-size:.8rem;
  color:#c4d2e0;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  border-radius:6px;
  padding:.35em .7em;
}

/* Supervision dashboard mockup */
.center-text{text-align:center; max-width:640px; margin:0 auto 2.5em;}
.dashboard-mock{
  max-width:820px; margin:0 auto;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 20px 50px rgba(14,42,71,.18);
  border:1px solid var(--border);
}
.dashboard-bar{
  display:flex; align-items:center; gap:8px;
  background:#1a2b3d;
  padding:12px 16px;
}
.dashboard-bar .dot{width:10px; height:10px; border-radius:50%;}
.dot-red{background:#ec6a5e;}
.dot-yellow{background:#f4bf4f;}
.dot-green{background:#61c454;}
.dashboard-title{
  margin-left:10px; color:#8ea3b8; font-size:.8rem;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
.dashboard-body{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  background:var(--navy-dark);
  color:#eef3f8;
}
.dashboard-list{
  list-style:none; margin:0; padding:22px 24px;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-size:.88rem;
  color:#eef3f8;
  border-right:1px solid rgba(255,255,255,.08);
}
.dashboard-list li{
  display:flex; align-items:center; gap:10px;
  padding:8px 0;
  border-bottom:1px dashed rgba(255,255,255,.08);
}
.dashboard-list li:last-child{border-bottom:none;}
.status-dot{width:8px; height:8px; border-radius:50%; flex-shrink:0;}
.status-dot.online{background:#20C4A8; box-shadow:0 0 0 3px rgba(32,196,168,.2);}
.status-dot.warn{background:#f4bf4f; box-shadow:0 0 0 3px rgba(244,191,79,.2);}
.metric{margin-left:auto; color:#8ea3b8;}
.dashboard-graph{padding:22px 24px; display:flex; flex-direction:column;}
.dashboard-graph svg{width:100%; height:120px;}
.graph-caption{
  margin:10px 0 0; font-size:.78rem; color:#8ea3b8; text-align:center;
}
@media (max-width:640px){
  .dashboard-body{grid-template-columns:1fr;}
  .dashboard-list{border-right:none; border-bottom:1px solid rgba(255,255,255,.08);}
}

/* Live badge */
.live-badge{
  margin-left:auto;
  display:flex; align-items:center; gap:6px;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-size:.72rem; font-weight:700; letter-spacing:.05em;
  color:#20C4A8;
}
.live-dot{
  width:7px; height:7px; border-radius:50%;
  background:#20C4A8;
  animation:blink 1.6s ease-in-out infinite;
}
@keyframes blink{
  0%,100%{opacity:1;} 50%{opacity:.25;}
}

/* Grafana-style dashboard mock */
.grafana-mock{
  max-width:900px; margin:0 auto;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 20px 50px rgba(14,42,71,.18);
  border:1px solid var(--border);
}
.grafana-mock .dashboard-bar{background:#12181f;}
.grafana-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:rgba(255,255,255,.08);
}
.stat-tile{
  background:#161f2c;
  padding:16px 18px;
  transition:background .2s;
}
.stat-tile:hover{background:#1c2837;}
.stat-label{
  margin:0 0 6px; font-size:.72rem; color:#8ea3b8;
  text-transform:uppercase; letter-spacing:.04em;
}
.stat-value{
  margin:0; font-size:1.6rem; font-weight:700; color:#eef3f8;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
.stat-value .unit{font-size:.85rem; color:#8ea3b8; font-weight:500; margin-left:3px;}
.stat-tile-warn .stat-value{color:#f4bf4f;}
.stat-spark{width:100%; height:20px; margin-top:6px;}

.grafana-panels{
  display:grid;
  grid-template-columns:1.6fr 1fr;
  gap:1px;
  background:rgba(255,255,255,.08);
}
.panel{background:var(--navy-dark); padding:18px 20px;}
.panel-header{
  display:flex; align-items:center; justify-content:space-between;
  font-size:.8rem; color:#8ea3b8; margin-bottom:12px;
}
.panel-header span:first-child{color:#c4d2e0; font-weight:600;}
.panel-range{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace; font-size:.72rem;}
.panel-graph svg{width:100%; height:180px; display:block;}
.panel-list .dashboard-list{padding:0;}

/* Hover life on interactive blocks */
.card, .panel, .stat-tile{
  transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px); box-shadow:0 14px 30px rgba(14,42,71,.12);}
.panel:hover{transform:translateY(-2px);}

/* Scroll reveal */
.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.in-view{opacity:1; transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1; transform:none; transition:none;}
}

@media (max-width:720px){
  .grafana-stats{grid-template-columns:repeat(2,1fr);}
  .grafana-panels{grid-template-columns:1fr;}
}

/* Sections */
.section{padding:80px 0;}
.section-alt{background:#eef2f6;}

/* Cards */
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:24px;
}
.card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
}
.card-tag{
  display:inline-block;
  font-size:.68rem; font-weight:700; letter-spacing:.04em; text-transform:uppercase;
  padding:.3em .7em; border-radius:999px;
  margin-bottom:12px;
}
.tag-existant{background:rgba(32,196,168,.12); color:#0f8a72;}
.tag-futur{background:rgba(14,42,71,.08); color:var(--navy-dark);}
.card h3{font-size:1.1rem; margin-bottom:.5em;}
.card p{color:var(--muted); font-size:.95rem; margin:0;}
.card-icon{
  width:46px; height:46px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--navy-dark),var(--navy-light));
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px;
}
.card-icon svg{
  width:24px; height:24px;
  stroke:#fff; stroke-width:1.6; fill:none;
}
.card-icon svg path[fill], .card-icon svg circle[fill]{fill:#fff; stroke:none;}
.card-icon svg path:not([fill]), .card-icon svg circle:not([fill]), .card-icon svg rect:not([fill]){fill:none; stroke:#fff;}

/* About */
.about-inner{
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:48px;
  align-items:center;
}
.about-inner h2{text-align:left;}
.about-badge{display:flex; justify-content:center;}

/* Contact */
.contact-inner{text-align:center; max-width:640px; margin:0 auto;}

/* Footer */
.site-footer{
  background:var(--black);
  color:#9fb0c0;
  padding:32px 0;
}
.footer-inner{
  display:flex; align-items:center; gap:16px;
  flex-wrap:wrap;
}
.footer-inner p{margin:0; font-size:.85rem;}
.footer-link{
  margin-left:auto;
  font-size:.85rem;
  color:#9fb0c0;
  text-decoration:underline;
}
.footer-link:hover{color:#fff;}
@media (max-width:520px){
  .footer-link{margin-left:0;}
}

.legal-inner{max-width:720px;}
.legal h1{text-align:left; margin-bottom:.3em;}
.legal-h2{font-size:1.15rem; text-align:left; margin-top:1.6em;}
.legal-list{padding-left:1.2em; color:var(--muted);}
.legal-list li{margin-bottom:.3em;}
.legal p{color:var(--muted);}

/* Contact form page */
.contact-page{padding:64px 0;}
.contact-split{
  display:grid; grid-template-columns:1fr 1.15fr;
  max-width:980px; margin:0 auto;
  border-radius:var(--radius); overflow:hidden;
  box-shadow:0 24px 60px rgba(14,42,71,.18);
}
.contact-pitch{
  background:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px) 0 0/28px 28px,
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px) 0 0/28px 28px,
    linear-gradient(160deg,var(--navy-dark),var(--black));
  color:#eef3f8;
  padding:48px 40px;
}
.contact-pitch h1{color:#fff; font-size:clamp(1.5rem,2.6vw,2rem); margin-bottom:.5em;}
.pitch-text{color:#c4d2e0; margin-bottom:1.8em;}
.pitch-list{list-style:none; padding:0; margin:0 0 2.2em;}
.pitch-list li{display:flex; align-items:center; gap:10px; margin-bottom:12px; color:#c4d2e0; font-size:.95rem;}
.pitch-check{
  display:inline-flex; align-items:center; justify-content:center; flex-shrink:0;
  width:20px; height:20px; border-radius:50%;
  background:var(--teal); color:#04231d; font-size:.7rem; font-weight:700;
}
.pitch-alt{font-size:.85rem; color:#9fb0c0; margin:0;}
.pitch-alt a{color:var(--teal);}

.contact-card{background:#fff; padding:48px 40px;}

.form-alert{
  background:#fdeceb; color:#a3352b; border:1px solid #f3c8c4;
  padding:12px 16px; border-radius:8px; margin-bottom:1.5em; font-size:.9rem;
}
.contact-form{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
.form-row{display:flex; flex-direction:column; gap:6px;}
.form-row-full{grid-column:1 / -1;}
.form-row label{font-size:.85rem; font-weight:600; color:var(--navy-dark);}
.contact-form input, .contact-form select, .contact-form textarea{
  padding:.7em .9em; border:1px solid var(--border); border-radius:8px;
  font:inherit; font-size:.95rem; color:var(--ink); background:#fff;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus{
  outline:2px solid var(--teal); outline-offset:1px;
}
.contact-form textarea{resize:vertical;}
.contact-form button{grid-column:1 / -1; justify-self:start; margin-top:.5em;}
.form-honeypot{position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;}

@media (max-width:800px){
  .contact-split{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .contact-form{grid-template-columns:1fr;}
  .contact-form button{justify-self:stretch;}
}

@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-visual{order:-1; max-width:380px; margin:0 auto 8px;}
}

@media (max-width:720px){
  .nav{display:none;}
  .about-inner{grid-template-columns:1fr; text-align:center;}
  .about-inner h2{text-align:center;}
  .about-badge{order:-1;}
  .stack-inner{justify-content:center; text-align:center;}
}