/* =========================================================
   machin.be — Domotique domicile
   Palette "pupitre de contrôle nocturne + laiton d'horlogerie"
   ========================================================= */

:root{
  --bg: #12161c;
  --bg-alt: #1a212b;
  --bg-alt-2: #212a35;
  --ink: #edeae2;
  --ink-dim: #a7aeb9;
  --ink-faint: #6d7580;
  --brass: #c9974d;
  --brass-soft: rgba(201,151,77,0.14);
  --teal: #5fb8a8;
  --teal-soft: rgba(95,184,168,0.14);
  --alert: #d9695f;
  --alert-soft: rgba(217,105,95,0.14);
  --line: rgba(237,234,226,0.10);
  --line-strong: rgba(237,234,226,0.18);

  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --radius: 2px;
  --container: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  background-image:
    radial-gradient(1200px 600px at 85% -10%, rgba(201,151,77,0.07), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(95,184,168,0.05), transparent 55%);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }
img, svg{ display:block; max-width:100%; }
ul{ margin:0; padding:0; list-style:none; }
p{ margin: 0 0 1em; color: var(--ink-dim); }

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 0.5em;
}
h1{ font-size: clamp(2.2rem, 4.2vw, 3.6rem); line-height: 1.05; }
h2{ font-size: clamp(1.6rem, 2.6vw, 2.2rem); line-height: 1.15; }
h3{ font-size: 1.15rem; }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:0.55em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 0.9em;
}
.eyebrow::before{
  content:"";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brass);
  box-shadow: 0 0 0 3px var(--brass-soft);
}

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* Focus visibility */
a:focus-visible, button:focus-visible, .btn:focus-visible{
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------- Header / nav ---------- */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(18,22,28,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 0.9rem clamp(1.25rem, 4vw, 2.5rem);
  max-width: var(--container);
  margin: 0 auto;
}
.brand{
  display:flex; align-items:center; gap:0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}
.brand .dot{ color: var(--brass); }
.brand-mark{ width: 30px; height: 30px; flex: none; }

.nav-links{
  display:flex; gap: clamp(1.2rem, 2vw, 2.2rem);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}
.nav-links a{
  position: relative;
  color: var(--ink-dim);
  padding: 0.3rem 0.05rem;
  transition: color .2s ease;
}
.nav-links a:hover{ color: var(--ink); }
.nav-links a.active{ color: var(--brass); }
.nav-links a.active::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-6px;
  height:2px; background: var(--brass);
}

.nav-toggle{
  display:none;
  background:none; border:1px solid var(--line-strong);
  border-radius: var(--radius);
  width: 40px; height: 36px;
  color: var(--ink);
  cursor:pointer;
  align-items:center; justify-content:center;
}
.nav-toggle svg{ width:18px; height:18px; }

@media (max-width: 800px){
  .nav-toggle{ display:flex; }
  .nav-links{
    position: fixed;
    inset: 60px 0 auto 0;
    flex-direction: column;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--line);
    padding: 1.2rem clamp(1.25rem,4vw,2.5rem) 1.6rem;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: all .22s ease;
    gap: 1rem;
  }
  .nav-links.open{
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

/* ---------- Hero / clock dial ---------- */
.hero{
  padding: clamp(2.5rem, 7vw, 5.5rem) 0 clamp(2rem, 6vw, 4rem);
  border-bottom: 1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items:center;
}
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
}

.hero p.lede{ font-size: 1.05rem; max-width: 46ch; }

.hero-specs{
  display:flex; flex-wrap:wrap; gap: 0.6rem 1rem;
  margin-top: 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
}
.hero-specs span{
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0.3rem 0.6rem;
}

.cta-row{ display:flex; gap:0.9rem; margin-top: 2rem; flex-wrap: wrap; }
.btn{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  padding: 0.75rem 1.3rem;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  transition: all .2s ease;
  display:inline-flex; align-items:center; gap:0.5em;
}
.btn.primary{ background: var(--brass); border-color: var(--brass); color:#191305; font-weight:600; }
.btn.primary:hover{ background:#dba75e; }
.btn.ghost:hover{ border-color: var(--teal); color: var(--teal); }

/* Clock dial (signature element) */
.dial-wrap{ display:flex; justify-content:center; }
.dial{ width: min(420px, 88vw); height: auto; }
.dial-ring{ fill:none; stroke: var(--line-strong); stroke-width: 1; }
.dial-tick{ stroke: var(--ink-faint); stroke-width: 1.4; }
.dial-tick.major{ stroke: var(--brass); stroke-width: 2.2; }
.dial-label{
  font-family: var(--font-mono);
  font-size: 8.5px;
  fill: var(--ink-dim);
  text-anchor: middle;
}
.dial-hub{ fill: var(--brass); }
.hand{ stroke-linecap: round; transform-origin: 210px 210px; }
.hand.hour{ stroke: var(--ink); stroke-width: 5; }
.hand.minute{ stroke: var(--ink); stroke-width: 3.4; }
.hand.second{ stroke: var(--teal); stroke-width: 1.6; }

/* ---------- Section shells ---------- */
.section{ padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section + .section{ border-top: 1px solid var(--line); }
.section-head{ max-width: 62ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head p{ font-size: 1rem; }

/* ---------- Card grid ---------- */
.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
@media (max-width: 900px){ .grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .grid{ grid-template-columns: 1fr; } }

.card{
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover{ border-color: var(--line-strong); transform: translateY(-2px); }
.card .icon{
  width: 34px; height: 34px;
  color: var(--brass);
  margin-bottom: 1rem;
}
.card h3{ margin-bottom: 0.5rem; }
.card p{ font-size: 0.93rem; margin-bottom: 0; }

.card .tag{
  display:inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-soft);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius);
  margin-bottom: 0.8rem;
}
.card .tag.alert{ color: var(--alert); background: var(--alert-soft); }

/* ---------- Status / readout table ---------- */
.readout{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow:hidden;
}
.readout-row{
  display:flex; justify-content:space-between; gap:1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-dim);
}
.readout-row:last-child{ border-bottom:none; }
.readout-row .val{ color: var(--ink); }
.readout-row .ok{ color: var(--teal); }
.readout-row .warn{ color: var(--alert); }

/* ---------- Device / hardware blocks ---------- */
.device{
  display:grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  align-items:start;
  padding: 2.2rem 0;
  border-top: 1px solid var(--line);
}
.device:first-of-type{ border-top:none; }
@media (max-width: 720px){
  .device{ grid-template-columns: 1fr; gap:1rem; }
}
.device-index{
  font-family: var(--font-mono);
  color: var(--ink-faint);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}
.device-visual{
  width: 100%;
  aspect-ratio: 1.4/1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-alt);
  display:flex; align-items:center; justify-content:center;
  color: var(--brass);
}
.device-visual svg{ width: 46%; height: 46%; }
.device-body h3{ display:flex; align-items:center; gap:0.6rem; }
.device-meta{
  display:flex; flex-wrap:wrap; gap: 0.5rem 0.9rem;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-faint);
  margin: 0.7rem 0 1rem;
}

/* ---------- Footer ---------- */
.site-footer{
  border-top: 1px solid var(--line);
  padding: 2.4rem 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
}
.footer-grid{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:1rem;
}
.footer-links{ display:flex; gap:1.4rem; }
.footer-links a:hover{ color: var(--brass); }

/* ---------- Misc reusable ---------- */
.divider{ height:1px; background: var(--line); border:none; margin: 2.5rem 0; }
.note{
  border-left: 2px solid var(--brass);
  background: var(--brass-soft);
  padding: 0.9rem 1.1rem;
  font-size: 0.9rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.note strong{ color: var(--brass); }

.two-col{ display:grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
@media (max-width: 760px){ .two-col{ grid-template-columns: 1fr; } }

.form-field{ margin-bottom: 1.1rem; }
.form-field label{
  display:block; font-family: var(--font-mono); font-size: 0.75rem;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 0.4rem;
}
.form-field input, .form-field textarea{
  width:100%;
  background: var(--bg-alt);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0.7rem 0.85rem;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.form-field input:focus, .form-field textarea:focus{
  outline: 2px solid var(--teal); outline-offset: 1px; border-color: var(--teal);
}