/* ============================================================
   AUTOMANION — Industrial Stainless Steel Design System
   Theme: steel greys/whites + industrial orange + electric blue
          + safety yellow. Gauges, switches, dials, machines.
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Steel neutrals */
  --steel-900: #0d0f11;
  --steel-800: #161a1e;
  --steel-700: #20262b;
  --steel-600: #2c343b;
  --steel-500: #3d4750;
  --steel-400: #5a6670;
  --steel-300: #8b96a0;
  --steel-200: #c3cbd2;
  --steel-100: #e6eaee;
  --steel-50:  #f4f6f8;

  /* Brand accents */
  --orange:    #ff6b1a;   /* industrial / construction orange */
  --orange-dark:#e05400;
  --blue:      #1f6fff;   /* electric blue */
  --blue-bright:#3d8bff;
  --yellow:    #ffc400;   /* safety yellow */
  --yellow-dim:#e6b000;

  /* Semantic */
  --bg:        var(--steel-900);
  --bg-soft:   var(--steel-800);
  --panel:     var(--steel-700);
  --text:      var(--steel-100);
  --text-dim:  var(--steel-300);
  --text-faint:var(--steel-400);
  --line:      var(--steel-600);
  --line-soft: rgba(196, 203, 210, 0.12);

  /* Typography */
  --font-display: "Chakra Petch", "Bahnschrift", "Arial Narrow", "DIN Alternate", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "Share Tech Mono", "JetBrains Mono", "SF Mono", "Cascadia Code", Consolas, monospace;

  /* Effects */
  --radius: 14px;
  --shadow: 0 20px 50px rgba(0,0,0,0.5);
  --glow-orange: 0 0 24px rgba(255,107,26,0.45);
  --glow-blue:   0 0 24px rgba(31,111,255,0.45);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* Subtle industrial background texture (subtle grid + vignette) */
body::before {
  content:"";
  position:fixed; inset:0; z-index:-2;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(31,111,255,0.08), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(255,107,26,0.07), transparent 60%),
    linear-gradient(180deg, var(--steel-900), #0b0d0f);
}
body::after {
  content:"";
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background-image:
    linear-gradient(rgba(196,203,210,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196,203,210,0.025) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse at center, black 30%, transparent 80%);
}

h1,h2,h3,h4 { font-family:var(--font-display); font-weight:600; letter-spacing:0.045em; line-height:1.12; }
a { color:var(--blue-bright); text-decoration:none; transition:color var(--transition); }
a:hover { color:var(--orange); }
img { max-width:100%; display:block; }
ul { list-style:none; }

/* ---------- Layout helpers ---------- */
.container { width:min(1200px, 92%); margin-inline:auto; }
.section { padding:96px 0; position:relative; }
.section-alt { background:linear-gradient(180deg, var(--bg-soft), var(--bg)); }
.section-striped { border-top:1px solid var(--line-soft); border-bottom:1px solid var(--line-soft); }

/* Eyebrow label + headings */
.eyebrow {
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.28em;
  text-transform:uppercase; color:var(--orange);
  margin-bottom:18px;
}
.eyebrow::before { content:""; width:34px; height:2px; background:var(--orange); }
h2.title { font-size:clamp(2rem, 4vw, 3rem); margin-bottom:16px; }
.lead { color:var(--text-dim); font-size:1.1rem; max-width:62ch; margin-bottom:40px; }

/* ---------- Buttons ---------- */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:14px 28px; border-radius:10px; border:1px solid transparent;
  font-family:var(--font-display); font-weight:600; font-size:1rem; letter-spacing:0.03em;
  cursor:pointer; transition:all var(--transition); text-transform:uppercase;
  position:relative; overflow:hidden;
  /* 3D depth — bevelled top edge + pronounced drop shadow */
  box-shadow:
    0 6px 0 rgba(0,0,0,0.45),
    0 10px 22px rgba(0,0,0,0.55),
    inset 0 2px 0 rgba(255,255,255,0.28),
    inset 0 -2px 0 rgba(0,0,0,0.18);
  transform:translateY(0);
}
.btn:hover {
  transform:translateY(-2px);
  box-shadow:
    0 8px 0 rgba(0,0,0,0.45),
    0 16px 32px rgba(0,0,0,0.6),
    inset 0 2px 0 rgba(255,255,255,0.32),
    inset 0 -2px 0 rgba(0,0,0,0.18);
}
.btn:active {
  transform:translateY(3px);
  box-shadow:
    0 2px 0 rgba(0,0,0,0.45),
    0 5px 12px rgba(0,0,0,0.5),
    inset 0 2px 0 rgba(255,255,255,0.15),
    inset 0 -2px 0 rgba(0,0,0,0.22);
}
.btn-primary { background:linear-gradient(180deg, #ff8236, var(--orange)); color:#0b0d0f; }
.btn-primary:hover { background:linear-gradient(180deg, #ff6b1a, var(--orange-dark)); color:#0b0d0f; }
.btn-blue { background:linear-gradient(180deg, #4d9aff, var(--blue)); color:#fff; }
.btn-blue:hover { background:linear-gradient(180deg, #1f6fff, #1a5ce0); color:#fff; }
.btn-yellow { background:linear-gradient(180deg, #ffd34d, var(--yellow)); color:#0b0d0f; }
.btn-yellow:hover { background:linear-gradient(180deg, #ffc400, var(--yellow-dim)); color:#0b0d0f; }
.btn-ghost { border-color:var(--steel-400); color:var(--text); background:linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0)); }
.btn-ghost:hover { border-color:var(--orange); color:var(--orange); }
.btn-sm { padding:10px 20px; font-size:0.85rem; }

/* ---------- Header / Nav ---------- */
.topbar {
  position:sticky; top:0; z-index:100;
  background:rgba(13,15,17,0.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.nav { display:flex; align-items:center; justify-content:space-between; height:72px; }
.brand { display:flex; align-items:center; gap:12px; font-family:var(--font-display); font-weight:700; font-size:1.35rem; letter-spacing:0.02em; color:var(--text); }
.brand:hover { color:var(--text); }
.brand .mark { width:38px; height:38px; }
.brand .wordmark { color:var(--text); }
.brand .wordmark span { color:var(--orange); }
.nav-links { display:flex; align-items:center; gap:6px; }
.nav-links a {
  color:var(--text-dim); font-family:var(--font-display); font-size:0.92rem; letter-spacing:0.04em;
  padding:9px 14px; border-radius:8px; text-transform:uppercase;
}
.nav-links a:hover { color:var(--text); background:rgba(255,255,255,0.05); }
.nav-links a.active { color:var(--orange); }
.nav-cta { margin-left:10px; }
.nav-toggle { display:none; background:none; border:none; color:var(--text); font-size:1.6rem; cursor:pointer; }

/* ---------- Footer ---------- */
.footer {
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg, var(--bg-soft), var(--steel-900));
  padding:56px 0 32px;
}
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; margin-bottom:40px; }
.footer h4 { color:var(--text); margin-bottom:16px; font-size:1rem; }
.footer a, .footer p { color:var(--text-dim); font-size:0.92rem; }
.footer a:hover { color:var(--orange); }
.footer-links li { margin-bottom:10px; }
.footer-bottom { border-top:1px solid var(--line-soft); padding-top:24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; color:var(--text-faint); font-size:0.85rem; }
.footer-bottom .mono { font-family:var(--font-mono); }

/* ---------- Cards ---------- */
.card {
  background:linear-gradient(180deg, var(--panel), var(--steel-700));
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  padding:32px;
  transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
  position:relative; overflow:hidden;
  box-shadow:0 2px 8px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.05);
}
.card:hover {
  transform:translateY(-6px);
  border-color:var(--steel-400);
  background:linear-gradient(180deg, var(--steel-600), var(--steel-700));
  box-shadow:0 18px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,107,26,0.15), inset 0 1px 0 rgba(255,255,255,0.08);
}
.card::before {
  content:""; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg, var(--orange), var(--blue), var(--yellow));
  opacity:0; transition:opacity var(--transition);
}
.card:hover::before { opacity:1; }
.card .icon { font-size:2.2rem; margin-bottom:16px; }
.card h3 { margin-bottom:10px; font-size:1.25rem; }
.card p { color:var(--text-dim); font-size:0.95rem; }

/* ---------- Grids ---------- */
.grid { display:grid; gap:28px; }
.grid-2 { grid-template-columns:repeat(2,1fr); }
.grid-3 { grid-template-columns:repeat(3,1fr); }
.grid-4 { grid-template-columns:repeat(4,1fr); }

/* ---------- Reveal-on-scroll animation ---------- */
.reveal { opacity:0; transform:translateY(30px); transition:opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity:1; transform:none; }

/* ---------- Gauge (machined instrument) ---------- */
.gauge-wrap { display:flex; flex-direction:column; align-items:center; gap:14px; }
.gauge-label { font-family:var(--font-mono); font-size:0.8rem; letter-spacing:0.2em; text-transform:uppercase; color:var(--text-dim); }
.gauge {
  width:150px; height:150px; position:relative; border-radius:50%;
  background:conic-gradient(from 210deg, #2c343b, #3d4750 25%, #232a30 50%, #3d4750 75%, #2c343b);
  border:3px solid var(--steel-500);
  box-shadow:
    inset 0 3px 6px rgba(255,255,255,0.08),
    inset 0 -8px 18px rgba(0,0,0,0.55),
    0 8px 22px rgba(0,0,0,0.5);
}
/* knurled outer rim */
.gauge::before {
  content:""; position:absolute; inset:-8px; border-radius:50%;
  background:repeating-conic-gradient(var(--steel-500) 0deg 2deg, var(--steel-700) 2deg 4deg);
  z-index:-1;
  box-shadow:0 2px 8px rgba(0,0,0,0.6);
}
.gauge .dial {
  position:absolute; inset:15px; border-radius:50%;
  background:radial-gradient(circle at 50% 38%, #3a444c, #20262b 70%);
  box-shadow:inset 0 4px 14px rgba(0,0,0,0.65), inset 0 -2px 4px rgba(255,255,255,0.05);
}
/* glass sheen */
.gauge .dial::after {
  content:""; position:absolute; inset:0; border-radius:50%;
  background:linear-gradient(160deg, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0.03) 32%, transparent 45%);
  pointer-events:none;
}
.gauge .needle {
  position:absolute; left:50%; bottom:50%; width:3px; height:40%;
  background:linear-gradient(180deg, #ff8c4d, var(--orange) 60%, var(--orange-dark));
  transform-origin:50% 100%; transform:translateX(-50%) rotate(-90deg);
  transition:transform 1.4s cubic-bezier(0.2,0.8,0.2,1);
  border-radius:3px;
  box-shadow:0 0 6px rgba(255,107,26,0.8);
}
.gauge .needle::after { content:""; position:absolute; top:-8px; left:50%; transform:translateX(-50%); width:10px; height:10px; background:var(--orange); border-radius:50%; box-shadow:0 0 8px rgba(255,107,26,0.9); }
.gauge .hub {
  position:absolute; left:50%; bottom:50%; transform:translate(-50%,50%);
  width:14px; height:14px; border-radius:50%; z-index:2;
  background:radial-gradient(circle at 35% 30%, #c3cbd2, #5a6670 70%);
  box-shadow:0 1px 4px rgba(0,0,0,0.7), inset 0 -1px 2px rgba(0,0,0,0.5);
}
.gauge .ticks { position:absolute; inset:0; z-index:1; }
.gauge .tick { position:absolute; left:50%; top:7px; width:2px; height:9px; background:var(--steel-200); transform-origin:50% 68px; }
.gauge .value { position:absolute; inset:auto 0 24px 0; text-align:center; font-family:var(--font-mono); font-size:1.35rem; color:var(--text); font-weight:600; text-shadow:0 0 10px rgba(255,107,26,0.35); }

/* ---------- Status LED ---------- */
.led { width:12px; height:12px; border-radius:50%; display:inline-block; }
.led-green { background:var(--yellow); box-shadow:0 0 10px var(--yellow); animation:pulse 1.6s infinite; }
.led-red { background:#ff3b30; box-shadow:0 0 10px #ff3b30; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.4;} }

/* ---------- Hero ---------- */
.hero { position:relative; min-height:92vh; display:flex; align-items:center; overflow:hidden; }
.hero-content { position:relative; z-index:2; max-width:680px; }
.hero h1 { font-size:clamp(2.6rem, 6vw, 4.6rem); margin:10px 0 20px; }
.hero h1 .accent { color:var(--orange); text-shadow:0 0 26px rgba(255,107,26,0.55); }
.hero h1 .accent-blue { color:var(--blue-bright); text-shadow:0 0 26px rgba(61,139,255,0.5); }
.hero .sub { color:var(--text-dim); font-size:1.15rem; max-width:56ch; margin-bottom:34px; }
.hero-cta { display:flex; gap:16px; flex-wrap:wrap; }
.hero-stats { display:flex; gap:40px; margin-top:48px; flex-wrap:wrap; }
.hero-stats .stat b { font-family:var(--font-display); font-size:2rem; color:var(--text); display:block; }
.hero-stats .stat span { color:var(--text-faint); font-size:0.85rem; letter-spacing:0.1em; text-transform:uppercase; }

/* ---------- Feature rows ---------- */
.feature-row { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; margin-bottom:90px; }
.feature-row:last-child { margin-bottom:0; }
.feature-row.flip .feature-visual { order:-1; }
.feature-visual { display:flex; align-items:center; justify-content:center; }
.feature-txt h3 { font-size:1.7rem; margin-bottom:14px; }
.feature-txt p { color:var(--text-dim); margin-bottom:20px; }
.check-list li { display:flex; gap:12px; align-items:flex-start; margin-bottom:12px; color:var(--text); }
.check-list .tick { color:var(--orange); font-weight:700; }

/* ---------- Marquee strip ---------- */
.marquee {
  overflow:hidden; white-space:nowrap; border-block:1px solid var(--line-soft);
  padding:20px 0; background:var(--bg-soft); position:relative;
}
.marquee-track { display:inline-block; animation:scroll 30s linear infinite; }
.marquee-track span { font-family:var(--font-display); font-size:1.1rem; letter-spacing:0.15em; text-transform:uppercase; color:var(--steel-400); margin:0 28px; }
.marquee-track span b { color:var(--orange); }
@keyframes scroll { from{transform:translateX(0);} to{transform:translateX(-50%);} }

/* ---------- Contact info ---------- */
.contact-line { display:flex; gap:14px; align-items:flex-start; margin-bottom:18px; }
.contact-line .ico { color:var(--orange); font-size:1.3rem; width:28px; text-align:center; }
.contact-line .lbl { color:var(--text-faint); font-size:0.8rem; text-transform:uppercase; letter-spacing:0.1em; }
.contact-line .val { color:var(--text); font-size:1.05rem; }

/* ---------- Forms ---------- */
.field { margin-bottom:20px; }
.field label { display:block; margin-bottom:8px; color:var(--text-dim); font-size:0.9rem; }
.field input, .field textarea, .field select {
  width:100%; padding:14px 16px; border-radius:10px;
  background:var(--steel-800); border:1px solid var(--steel-500); color:var(--text);
  font-family:var(--font-body); font-size:1rem; transition:border-color var(--transition);
}
.field input:focus, .field textarea:focus, .field select:focus { outline:none; border-color:var(--orange); }

/* ---------- Tags / chips ---------- */
.chip {
  display:inline-block; padding:6px 14px; border-radius:999px;
  border:1px solid var(--steel-500); color:var(--text-dim);
  font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.05em;
  margin:0 6px 6px 0;
}
.chip-orange { border-color:var(--orange); color:var(--orange); }
.chip-blue { border-color:var(--blue); color:var(--blue-bright); }
.chip-yellow { border-color:var(--yellow); color:var(--yellow); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding:90px 0 60px; border-bottom:1px solid var(--line-soft); }
.page-hero h1 { font-size:clamp(2.4rem,5vw,3.6rem); margin-bottom:12px; }
.page-hero p { color:var(--text-dim); max-width:66ch; font-size:1.1rem; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns:repeat(2,1fr); }
  .grid-3 { grid-template-columns:repeat(2,1fr); }
  .grid-2, .feature-row { grid-template-columns:1fr; gap:40px; }
  .feature-row.flip .feature-visual { order:0; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .nav-links {
    position:fixed; top:72px; right:0; bottom:0; width:min(320px,80vw);
    flex-direction:column; align-items:flex-start; gap:8px;
    background:var(--steel-900); border-left:1px solid var(--line-soft);
    padding:30px; transform:translateX(100%); transition:transform var(--transition);
  }
  .nav-links.open { transform:none; }
  .nav-links a { width:100%; font-size:1.05rem; }
  .nav-cta { margin-left:0; margin-top:12px; width:100%; }
  .nav-toggle { display:block; }
}
@media (max-width: 560px) {
  .grid-4, .grid-3 { grid-template-columns:1fr; }
  .section { padding:64px 0; }
  .hero { min-height:auto; padding:70px 0; }
  .hero-stats { gap:24px; }
}