:root {
  color-scheme: light;

  --default-font: "Lato", system-ui, -apple-system, Segoe UI, Roboto, Arial,
    sans-serif;
  --heading-font: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto,
    Arial, sans-serif;
  --nav-font: var(--heading-font);

  /* Core color system */
  --background-color: #0d1117;
  --default-color: #c9d1d9;
  --heading-color: #ffffff;
  --accent-color: #58a6ff;
  --accent-hover-color: #1f6feb;
  --surface-color: #161b22;
  --contrast-color: #ffffff;
  --border-color: #30363d;
  --gradient-start: #58a6ff;
  --gradient-end: #9b59b6;

  /* NEW: nav color defaults (these were previously referenced but undefined) */
  --nav-color: var(--default-color);
  --nav-hover-color: var(--accent-color);
  --nav-dropdown-background-color: var(--surface-color);
  --nav-dropdown-color: var(--default-color);
  --nav-dropdown-hover-color: var(--accent-color);
  --nav-mobile-background-color: rgba(22, 27, 34, 0.98);
}

@media (prefers-color-scheme: light) {
  :root {
    --background-color: #f8fafc;
    --default-color: #0f172a;
    --heading-color: #0b1220;
    --surface-color: #ffffff;
    --border-color: #e2e8f0;
    --nav-mobile-background-color: rgba(255, 255, 255, 0.98);
  }
}

html {
  scroll-behavior: smooth;
}
body {
  color: var(--default-color);
  background: var(--background-color);
  font-family: var(--default-font);
}
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--heading-color);
  font-family: var(--heading-font);
}
a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.25s ease;
}
a:hover {
  color: color-mix(in srgb, var(--accent-color), transparent 25%);
}

/* Header */
.header {
  color: var(--default-color);
  background: color-mix(in srgb, var(--background-color), transparent 50%);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  padding: 12px 0;
  transition: all 0.3s ease;
  z-index: 997;
  backdrop-filter: blur(10px);
}
.header .logo img {
  max-height: 36px;
  margin-right: 8px;
}
.header .logo h1 {
  font-size: 28px;
  margin: 0;
  font-weight: 800;
  letter-spacing: 0.2px;
}
.header .btn-getstarted {
  color: var(--contrast-color);
  background: var(--accent-color);
  font-size: 15px;
  padding: 8px 16px;
  margin-left: 16px;
  border-radius: 999px;
  font-weight: 600;
}
.header .btn-getstarted:hover {
  background: var(--accent-hover-color);
}

/* Nav */
.navmenu ul {
  margin: 0;
  padding: 0;
  display: flex;
  list-style: none;
  align-items: center;
}
.navmenu a {
  color: var(--nav-color);
  padding: 12px 10px;
  font-size: 15px;
  font-family: var(--nav-font);
  font-weight: 600;
  display: flex;
  align-items: center;
}
.navmenu a:hover,
.navmenu .active {
  color: var(--nav-hover-color);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: grid;
  align-items: center;
  background: linear-gradient(
    135deg,
    rgba(88, 166, 255, 0.06) 0%,
    rgba(155, 89, 182, 0.06) 100%
  );
  overflow: clip;
}
.hero h1 {
  margin: 0 0 1rem;
  font-weight: 800;
  line-height: 1.1; /* FIX: this used to be 0.5rem; now responsive */
  font-size: clamp(2rem, 5vw, 3.5rem);
  background: linear-gradient(
    90deg,
    var(--gradient-start),
    var(--gradient-end)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  margin: 0 0 1.5rem;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
}
.btn-get-started {
  color: var(--contrast-color);
  background: var(--accent-color);
  font-weight: 700;
  letter-spacing: 0.2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 12px;
  transition: transform 0.2s ease, background 0.2s ease;
  box-shadow: 0 10px 25px rgba(88, 166, 255, 0.15);
}
.btn-get-started:hover {
  background: var(--accent-hover-color);
  transform: translateY(-1px);
}
.btn-watch-video {
  font-weight: 700;
}

/* Cards/sections */
.values .card,
.stats .stats-item,
.services .service-item,
.contact .card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  color: var(--default-color) !important;
}
.values .card {
  padding: 28px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;

  color: var(--default-color) !important;
}
.values .card:hover {
  transform: translateY(-3px);
}
.values .card p{
  color: var(--default-color) !important;
}

.stats .stats-item {
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: center;
}
.stats .stats-item i {
  color: var(--accent-color);
  font-size: 40px;
}
.stats .stats-item span {
  color: var(--heading-color);
  font-size: 2rem;
  font-weight: 800;
}

.services .service-item {
  text-align: left;
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
  position: relative;
}
.services .service-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px 200px at var(--x, 50%) var(--y, 50%),
    color-mix(in srgb, var(--accent-color), transparent 90%),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}
.services .service-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}
.services .service-item:hover::after {
  opacity: 1;
}
.services .service-item .icon {
  font-size: 36px;
  margin-bottom: 14px;
  color: var(--accent-color);
}
.services .service-item h3 {
  font-weight: 800;
  font-size: 1.25rem;
}

.section {
  padding: clamp(60px, 7vw, 100px) 0;
}
.section-title {
  text-align: center;
  margin-bottom: 40px;
}
.section-title h2 {
  display: inline-block;
  font: 800 12px/1 var(--default-font);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-color), transparent 90%);
  color: var(--accent-color);
}
.section-title p {
  margin-top: 12px;
  font-weight: 800;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}

/* Footer */
.footer {
  color: var(--default-color);
  background: var(--background-color);
  font-size: 14px;
  padding-top: 40px;
}
.footer .logo span {
  font-size: 22px;
  font-weight: 800;
}
.footer .copyright {
  border-top: 1px solid
    color-mix(in srgb, var(--default-color), transparent 90%);
  padding: 18px 0;
}

/* Scroll-top */
.scroll-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 999;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-color);
  color: var(--contrast-color);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s ease;
}
.scroll-top.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* Small utility: section spacing class */
.section-spacing {
  padding: 100px 20px;
}
@media (max-width: 768px) {
  .section-spacing {
    padding: 60px 15px;
  }
}
@media (max-width: 768px) {
  .navmenu {
    display: none !important;
  }
  .navmenu ul {
    display: none !important;
  }
}