/* =========================================================
   IDE Ltd — Innovation Design & Engineering
   Design language: technical drawing / schematic sheet.
   Graphite + blueprint-trace blue, amber indicator accent.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --bg:        #12161a;
  --bg-alt:    #1a2026;
  --surface:   #202730;
  --line:      #38414a;
  --line-soft: #2a323b;
  --text:      #e8ebec;
  --text-dim:  #9aa4ac;
  --accent:    #5b9bc0;   /* schematic trace blue */
  --accent-2:  #dfa23f;   /* indicator amber */
  --radius:    2px;

  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

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

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }

h1, h2, h3, h4{
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 700; }
h2{ font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3{ font-size: 1.15rem; }

p{ margin: 0 0 1em; color: var(--text-dim); max-width: 62ch; }

.container{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.mono-tag{
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--accent);
  letter-spacing: .02em;
}

/* Visible focus state for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------------------------------------------------------
   Header / Nav
   --------------------------------------------------------- */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(18,22,26,.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .container{
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand{ display: flex; align-items: center; gap: 12px; }
.brand-mark{
  width: 36px; height: 36px;
  border: 1.5px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: .8rem; color: var(--accent);
}
.brand-name{ font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; }
.brand-name span{ display:block; font-family: var(--font-mono); font-weight:400; font-size:.68rem; color: var(--text-dim); letter-spacing:.03em; }

.main-nav{ display: flex; align-items: center; gap: 36px; }
.main-nav a{
  font-size: .92rem; color: var(--text-dim);
  padding: 6px 0; border-bottom: 1px solid transparent;
}
.main-nav a:hover, .main-nav a.active{ color: var(--text); border-color: var(--accent); }
.nav-toggle{ display: none; background: none; border: 1px solid var(--line); color: var(--text); padding: 8px 10px; }

@media (max-width: 840px){
  .main-nav{
    position: absolute; top: 76px; left: 0; right: 0;
    background: var(--bg-alt); border-bottom: 1px solid var(--line-soft);
    flex-direction: column; align-items: flex-start; gap: 0;
    max-height: 0; overflow: hidden;
  }
  .main-nav.open{ max-height: 400px; }
  .main-nav a{ width: 100%; padding: 14px 32px; border-bottom: 1px solid var(--line-soft); }
  .nav-toggle{ display: block; }
}

/* ---------------------------------------------------------
   Hero
   --------------------------------------------------------- */
.hero{
  position: relative;
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 42px 42px;
  background-position: center;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(ellipse at 15% 20%, rgba(18,22,26,0) 0%, var(--bg) 72%);
}
/* This vignette exists to fade the blueprint-grid pattern into the page
   background on hero sections with no photo. When a real photo is loaded
   (service pages once an image is uploaded), it's suppressed entirely so
   the tint darkness/direction settings are the only thing controlling
   how dark the photo looks. */
.hero-has-photo::before{ content: none; }
.hero-inner{ position: relative; padding: 96px 0 88px; }
.hero .mono-tag{ display:block; margin-bottom: 18px; }
.hero h1{ max-width: 14ch; margin-bottom: .4em; }
.hero p.lead{ font-size: 1.1rem; max-width: 46ch; color: var(--text-dim); }
.hero-actions{ display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }

/* Banner hero — full-width image with clickable category hotspots */
.banner-hero{ border-bottom: 1px solid var(--line-soft); }
.banner-wrap{ position: relative; width: 100%; line-height: 0; }
.banner-wrap img{ width: 100%; height: auto; display: block; }
.banner-hotspot{
  position: absolute;
  display: block;
  outline-offset: -2px;
  transition: background-color .15s ease;
}
.banner-hotspot:hover,
.banner-hotspot:focus-visible{
  background-color: rgba(223, 162, 63, .16);
  outline: 2px solid var(--accent-2);
}
.hero-actions-bar{
  display: flex; gap: 16px; flex-wrap: wrap;
  padding: 28px 32px;
}

/* ---------------------------------------------------------
   Buttons
   --------------------------------------------------------- */
.btn{
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-body); font-weight: 600; font-size: .92rem;
  padding: 13px 24px; border: 1px solid transparent; border-radius: var(--radius);
  cursor: pointer;
  background: transparent; appearance: none; -webkit-appearance: none;
}
.btn-primary{ background: var(--accent-2); color: #17130a; }
.btn-primary:hover{ background: #eab35a; }
.btn-ghost{ border-color: var(--line); color: var(--text); }
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }

/* ---------------------------------------------------------
   Section scaffolding
   --------------------------------------------------------- */
section{ padding: 84px 0; border-bottom: 1px solid var(--line-soft); }
section:last-of-type{ border-bottom: none; }
.section-head{ max-width: 60ch; margin-bottom: 48px; }
.section-head .mono-tag{ display:block; margin-bottom: 10px; }

/* Services legend — a real numbered list (schematic reference numbers) */
.legend{ border-top: 1px solid var(--line-soft); }
.legend-row{
  display: grid; grid-template-columns: 64px 1fr 1fr;
  gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--line-soft);
  align-items: start;
}
.legend-row .ref{ font-family: var(--font-mono); color: var(--accent); font-size: .9rem; padding-top: 3px; }
.legend-row h3{ margin: 0; }
.legend-row p{ margin: 0; }
@media (max-width: 700px){
  .legend-row{ grid-template-columns: 40px 1fr; }
  .legend-row p{ grid-column: 2; }
}

/* Partners strip */
.partners{ background: var(--bg-alt); }
.partner-grid{
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft);
  margin-top: 32px;
}
.partner-cell{
  background: var(--bg-alt);
  aspect-ratio: 3/2;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: .72rem; color: var(--text-dim);
  text-align: center; padding: 10px;
}
.partner-cell.has-logo{ background: #fff; padding: 16px; }
.partner-cell.has-logo img{ max-width: 100%; max-height: 100%; object-fit: contain; }

/* Feature rows — alternating asymmetric layout, not cards */
.feature-row{
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px;
  align-items: center; padding: 56px 0;
  border-bottom: 1px solid var(--line-soft);
}
.feature-row:last-child{ border-bottom: none; }
.feature-row:nth-child(even) .feature-media{ order: 2; }
.feature-media{
  aspect-ratio: 4/3; background: var(--surface);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: .78rem; color: var(--text-dim);
}
.feature-num{ font-family: var(--font-mono); color: var(--accent); font-size: .85rem; display:block; margin-bottom: 12px; }
@media (max-width: 760px){
  .feature-row{ grid-template-columns: 1fr; }
  .feature-row:nth-child(even) .feature-media{ order: 0; }
}

/* CTA banner */
.cta-band{
  background: var(--surface);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.cta-band .container{ display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; padding: 56px 32px; }
.cta-band h2{ margin: 0; max-width: 20ch; }

/* Gallery grid */
.gallery-grid{
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2px; background: var(--line-soft); border: 1px solid var(--line-soft);
}
.gallery-item{ background: var(--bg-alt); display: flex; flex-direction: column; }
.gallery-photo{
  aspect-ratio: 4/3; overflow: hidden; display: block;
  border: none; padding: 0; margin: 0; cursor: pointer; background: none;
  position: relative;
}
.gallery-photo img{ width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .25s ease, filter .25s ease; }
.gallery-photo:hover img, .gallery-photo:focus-visible img{ transform: scale(1.04); filter: brightness(.85); }
.gallery-caption{
  padding: 12px 14px;
  font-family: var(--font-mono); font-size: .8rem; color: var(--text-dim);
  border-top: 1px solid var(--line-soft);
}

/* Lightbox */
.lightbox{
  position: fixed; inset: 0; z-index: 200;
  background: rgba(10, 12, 14, .94);
  display: none; align-items: center; justify-content: center;
  padding: 60px 24px;
}
.lightbox.open{ display: flex; }
.lightbox-figure{ max-width: min(1100px, 92vw); max-height: 88vh; margin: 0; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.lightbox-img{ max-width: 100%; max-height: 76vh; object-fit: contain; border: 1px solid var(--line); }
.lightbox-caption{ font-family: var(--font-mono); font-size: .85rem; color: var(--text-dim); text-align: center; min-height: 1.2em; }
.lightbox-close{
  position: absolute; top: 20px; right: 24px;
  background: none; border: 1px solid var(--line); color: var(--text);
  font-size: 1.6rem; line-height: 1; width: 44px; height: 44px;
  cursor: pointer; border-radius: var(--radius);
}
.lightbox-close:hover{ border-color: var(--accent); color: var(--accent); }
.lightbox-nav{
  position: absolute; top: 50%; transform: translateY(-50%);
  background: none; border: 1px solid var(--line); color: var(--text);
  font-size: 1.8rem; line-height: 1; width: 48px; height: 48px;
  cursor: pointer; border-radius: var(--radius);
}
.lightbox-nav:hover{ border-color: var(--accent); color: var(--accent); }
.lightbox-prev{ left: 20px; }
.lightbox-next{ right: 20px; }
@media (max-width: 640px){
  .lightbox-nav{ width: 40px; height: 40px; font-size: 1.4rem; }
  .lightbox-prev{ left: 8px; }
  .lightbox-next{ right: 8px; }
  .lightbox-close{ top: 10px; right: 10px; }
}

/* Contact */
.contact-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
@media (max-width: 800px){ .contact-grid{ grid-template-columns: 1fr; } }
.field{ margin-bottom: 20px; }
.field label{ display: block; font-family: var(--font-mono); font-size: .78rem; color: var(--text-dim); margin-bottom: 8px; }
.field input, .field textarea{
  width: 100%; background: var(--bg-alt); border: 1px solid var(--line);
  color: var(--text); padding: 12px 14px; font-family: var(--font-body); font-size: .95rem;
  border-radius: var(--radius);
}
.field input:focus, .field textarea:focus{ outline: none; border-color: var(--accent); }
.info-block{ margin-bottom: 32px; }
.info-block h3{ margin-bottom: 10px; }
.hours-table{ width: 100%; border-collapse: collapse; font-size: .92rem; }
.hours-table td{ padding: 8px 0; border-bottom: 1px solid var(--line-soft); color: var(--text-dim); }
.hours-table td:last-child{ text-align: right; color: var(--text); font-family: var(--font-mono); font-size: .85rem; }

.form-status{ font-family: var(--font-mono); font-size: .85rem; margin-top: 16px; }
.form-status.ok{ color: #6fbf8b; }
.form-status.err{ color: #d9776e; }

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */
.site-footer{ background: var(--bg-alt); padding: 64px 0 28px; }
.footer-grid{
  display: grid; grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px; padding-bottom: 40px; border-bottom: 1px solid var(--line-soft);
}
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr; gap: 32px; } }
.footer-grid h4{ font-family: var(--font-mono); font-weight: 500; font-size: .78rem; color: var(--text-dim); letter-spacing: .03em; margin-bottom: 16px; }
.footer-grid ul{ list-style: none; margin: 0; padding: 0; }
.footer-grid li{ margin-bottom: 10px; }
.footer-grid a:hover{ color: var(--accent); }
.footer-bottom{
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; font-size: .82rem; color: var(--text-dim); flex-wrap: wrap; gap: 10px;
}
.footer-bottom a:hover{ color: var(--accent); }