/* Design system variables (adjust to match assets/Color palette.png) */
:root {
  /* Palette (industrial / technical) */
  --color-bg: #f6f7f8;
  --color-surface: #ffffff;
  --color-text: #0e1720;
  --color-muted: #58606a;
  --color-border: #dfe6ea;
  --color-primary: #1f4a6b; /* steel/blue */
  --color-accent: #c18f24;  /* warm amber accent */

  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 3rem;

  /* Radii & shadows */
  --radius-sm: 6px;
  --radius-md: 12px;
  --shadow-sm: 0 1px 6px rgba(10,20,30,0.06);
  --shadow-md: 0 6px 20px rgba(10,20,30,0.08);

  /* Type scale (fluid) */
  --fs-base: 1rem;
  --fs-lg: clamp(1.125rem, 1vw + 0.75rem, 1.25rem);
  --fs-xl: clamp(1.5rem, 2.5vw, 2.625rem);
  --fs-xxl: clamp(2rem, 4vw, 3.25rem);
}

* { box-sizing: border-box; }

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: var(--fs-base);
}

/* Header & Navigation */
.header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background-color: rgba(255,255,255,0.6);
  backdrop-filter: blur(6px);
  z-index: 100;
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo {
  height: 56px;
  width: auto;
  display: inline-block;
}

.site-title {
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--fs-lg);
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1.25rem;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-muted);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.5rem 0.25rem;
  border-radius: 6px;
}

.nav-links a:hover {
  color: var(--color-primary);
  box-shadow: inset 0 -3px 0 var(--color-accent);
}

.nav-links a.active,
.nav-links a[aria-current="page"] {
  color: var(--color-primary);
  box-shadow: inset 0 -3px 0 var(--color-accent);
}

/* Mobile nav toggle */
.nav-toggle {
  background: none;
  border: none;
  display: none;
  gap: 0.5rem;
  align-items: center;
  cursor: pointer;
}

.nav-toggle .bar {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  display: block;
  border-radius: 2px;
}

/* Main content wrapper */
.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.container { max-width: 1000px; margin: 0 auto; }

/* Hero section */
.hero {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: linear-gradient(180deg, rgba(31,74,107,0.04), transparent 60%);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.hero h1 {
  font-size: var(--fs-xxl);
  font-weight: 800;
  line-height: 1.05;
  margin: 0 0 var(--space-md) 0;
}

.hero .subheading {
  font-size: var(--fs-lg);
  color: var(--color-muted);
  margin: 0 0 var(--space-md) 0;
}

.hero-actions { display: flex; gap: var(--space-md); align-items: center; }

/* Section styling */
section { margin-bottom: calc(var(--space-lg) + var(--space-md)); }

h2 {
  font-size: clamp(1.25rem, 1.2vw + 1rem, 2rem);
  font-weight: 700;
  margin: var(--space-lg) 0 var(--space-md) 0;
  line-height: 1.15;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem 0;
}

p { margin: 0 0 var(--space-md) 0; color: var(--color-muted); }

ul, ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.75rem;
  color: #333;
}

/* Call-to-action button */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: white;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 700;
  font-size: var(--fs-lg);
  box-shadow: var(--shadow-sm);
}

.btn.secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.btn:focus { outline: 3px solid rgba(31,74,107,0.12); }

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
}

label {
  font-weight: 500;
  margin-bottom: 0.5rem;
  display: block;
}

input[type="text"],
input[type="email"],
textarea {
  padding: 0.75rem;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: #fafafa;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-text);
  background-color: var(--color-bg);
}

textarea {
  resize: vertical;
}

a {
  color: var(--color-text);
}

/* Team layout */
.team { display: grid; grid-template-columns: 1fr; gap: 1rem; }

.team-member { display: flex; align-items: center; gap: 1rem; }

.team-photo { width: 88px; height: 88px; object-fit: cover; border-radius: 8px; flex: 0 0 88px; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}

.card.padded { padding: 1.25rem; }

.card h3 { margin: 0 0 0.5rem 0; color: var(--color-text); }

.section-title {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.section-title .eyebrow { color: var(--color-accent); font-weight: 700; }

.muted { color: var(--color-muted); }

.member-info h3 { margin: 0; }

@media (min-width: 720px) { .team { grid-template-columns: 1fr 1fr; } }

/* Cards grid for technology page */
.cards { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 880px) { .cards { grid-template-columns: repeat(2, 1fr); } }

/* Zoom adjustments */
.team-photo.zoom-out { transform: scale(0.85); }

/* Partners logos */
.partners {
  margin-top: 3rem;
}
.partners-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: center;
}
.partners-logos img {
  max-height: 48px;
  width: auto;
  opacity: 0.95;
  filter: grayscale(0);
}
@media (min-width: 720px) {
  .partners-logos img { max-height: 64px; }
}

/* Video grid for technology demos */
.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1rem;
}
@media (min-width: 880px) { .video-grid { grid-template-columns: repeat(3, 1fr); } }

.video-grid figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.video-grid video {
  flex: 0 0 auto;
  width: auto;
  height: auto;
  max-width: none;
  border-radius: 6px;
  background: #000;
}

.video-grid figcaption {
  margin-top: 0.5rem;
  font-size: 0.95rem;
  color: #444;
}

.video-note {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: #555;
}
@media (max-width: 768px) {
  .video-grid { gap: 0.75rem; }
}

/* Responsive design */
.@media (max-width: 880px) {
  .nav { padding: var(--space-sm) var(--space-md); }
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .wrap { padding: var(--space-lg) var(--space-md); }
  .logo { height: 48px; }
  .hero h1 { font-size: clamp(1.5rem, 4vw, 2rem); }
  .hero .subheading { font-size: 0.95rem; }
}

/* When nav open on mobile */
.nav-open .nav-links { display: flex; flex-direction: column; gap: 0.5rem; background: transparent; margin-top: var(--space-sm); }

footer {
  margin-top: var(--space-xl);
  padding: var(--space-md) var(--space-lg);
  background: transparent;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Map sizing */
.map-wrapper { max-width: 640px; margin-top: var(--space-md); }
.map-iframe { width: 100%; height: 240px; border: 0; border-radius: 8px; }

/* Product image on Home */
.product-figure { max-width: 760px; margin: 0 auto var(--space-md); padding: 0; }
.product-image { width: 100%; height: auto; display: block; border-radius: 8px; border: 1px solid var(--color-border); }

/* News items */
.news-item { margin-bottom: 2rem; }
.news-image { width: 25%; height: auto; display: block; border-radius: 8px; border: 1px solid var(--color-border); margin-top: 1rem; }