@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&family=Source+Sans+3:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

:root {
  --bg: #ffffff;
  --bg2: #e8e4db;
  --bg3: #656565;
  --surface: #ffffff;
  --heading: #1c1b17;
  --text: #3d3c37;
  --text-dim: #6e6a62;
  --accent: #1e5c4a;
  --accent-hover: #083b2c;
  --accent-soft: rgba(30, 92, 74, 0.09);
  --accent-muted: #2a6b56;
  --secondary: #8b4d1f;
  --secondary-soft: rgba(139, 77, 31, 0.1);
  --success: #2d6a4f;
  --border: #dcd6cb;
  --border-bright: #c9c2b5;
  --card: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.08);
  --nav-hover: #1e9f3d;
  /* Legacy names (used in inline page styles) */
  --cyan: var(--accent);
  --cyan-dim: var(--accent-muted);
  --cyan-glow: var(--accent-soft);
  --green: var(--secondary);
  --green-dim: #6b3d18;
  --purple: #5a4d6e;
  --purple-glow: rgba(90, 77, 110, 0.1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-weight: 400;
  overflow-x: hidden;
  line-height: 1.65;
}

.grid-bg {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(0, 0, 0, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.028) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  z-index: 0;
}

/* ── NAV ── */
nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 72px;
  /* Ensure consistent contrast even on pages that don't set inline nav background */
  background-color: rgba(28, 27, 23, 0.92);
  /* background: rgba(255, 252, 248, 0.94); */
  backdrop-filter: blur(5px);
  /* border-bottom: 1px solid var(--border); */
  box-shadow: var(--shadow-sm);
}
.nav-logo {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--bg);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.nav-logo span {
  color: var(--accent);
}
.nav-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}
.nav-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.0rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--bg);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.25s ease;
  border-radius: 1px;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--nav-hover);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--bg);
  display: block;
  transition: all 0.3s;
}

/* ── PAGE HERO BANNER ── */
.page-banner {
  padding: 140px 5% 72px;
  position: relative;
  display: flex;
  overflow: hidden;
  z-index: 1;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
}
.page-banner-inner {
  max-width: 900px;
}
.banner-eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent-muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.75rem;
}
.banner-title {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.15;
  color: var(--heading);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.banner-title span {
  color: var(--accent);
}
.banner-sub {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 560px;
}
.banner-line {
  width: 56px;
  height: 3px;
  margin-top: 1.75rem;
  background: var(--accent);
  border-radius: 2px;
}

/* ── MAIN CONTENT ── */
main {
  position: relative;
  z-index: 1;
  padding: 72px 5%;
}

/* ── CARDS ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.35s, border-color 0.35s;
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
}
.card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow-md);
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s ease;
}
.card:hover::before {
  transform: scaleX(1);
}

.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
}
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}

/* ── TECH TAGS ── */
.tech-tag {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 4px 10px;
  background: var(--bg);
  display: inline-block;
  border-radius: 3px;
}
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.2rem;
}

/* ── BUTTONS ── */
.btn-primary {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 26px;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, transform 0.2s;
  display: inline-block;
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
}
.btn-primary::before {
  display: none;
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  transition-duration: 800ms;

}

.btn-secondary {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 26px;
  background: transparent;
  border: 1px solid var(--border-bright);
  color: var(--bg);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s;
  display: inline-block;
  border-radius: 4px;
}
.btn-secondary:hover {
  background: var(--surface);
  border-color: var(--accent);
  color: var(--accent);
  transition-duration: 800ms;
}

/* ── EYEBROW / LABEL ── */
.eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent-muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}
.eyebrow.green {
  color: var(--secondary);
}
.eyebrow.purple {
  color: var(--purple);
}

/* ── FOOTER ── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 3rem 5% 2rem;
  position: relative;
  z-index: 1;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-logo {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--heading);
}
.footer-logo span {
  color: var(--accent);
}
.footer-tagline {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
}
.footer-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.footer-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--text-dim);
}
.footer-bottom span {
  color: var(--heading);
  font-weight: 500;
}

.background-video {
      position: absolute;
      top: 50%;
      left: 50%;
      min-width: 100%;
      min-height: 100%;
      width: auto;
      height: auto;
      transform: translate(-50%, -50%);
      object-fit: cover;
      z-index: 0;
    }

/* ── ANIMATIONS ── */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes dot-blink {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 1;
  }
}
@keyframes circuit-pulse {
  0%,
  100% {
    opacity: 0;
  }
  50% {
    opacity: 0.35;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── MOBILE ── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--surface);
    padding: 1.5rem 5%;
    border-bottom: 1px solid var(--border);
    gap: 1rem;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    color: var(--heading);
  }
  .hamburger {
    display: flex;
  }
  .banner-title {
    font-size: 1.85rem;
  }
  main {
    padding: 56px 5%;
  }
}