:root {
  --brand-dark: #10121B;
  --brand-text-primary: #F8F8F8;
  --brand-accent-cyan: #20B0CF;  /* darker base for button */
  --brand-accent-cyan-hover: #29D9FF;
  --brand-support-grey: #6C7D8F;
  --brand-white: #FFFFFF;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--brand-text-primary);
  background: var(--brand-dark);
}

.hero {
  text-align: center;
  padding: 120px 20px;
  background: radial-gradient(circle at top, #181c2a 0, #10121B 55%, #050609 100%);
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.hero-logo {
  max-width: 480px;
  height: auto;
  margin-bottom: 40px;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.1;
  margin: 0 0 20px;
  color: var(--brand-white);
}

.hero p {
  font-size: 1.2rem;
  line-height: 1.6;
  margin: 0 0 40px;
  color: var(--brand-support-grey);
}

.btn {
  display: inline-block;
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    transform 0.1s ease,
    box-shadow 0.2s ease;
}

.btn-primary {
  color: var(--brand-white);
  background-color: var(--brand-accent-cyan);
  border-color: var(--brand-accent-cyan);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4),
    0 16px 30px rgba(0, 0, 0, 0.45);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--brand-accent-cyan-hover);
  border-color: var(--brand-accent-cyan-hover);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5),
    0 20px 36px rgba(0, 0, 0, 0.55);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5),
    0 8px 16px rgba(0, 0, 0, 0.6);
}

/* Added layout & navigation styles */

html {
  scroll-behavior: smooth;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(16, 18, 27, 0.95); /* brand-dark with a little transparency */
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.site-header-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  height: 40px;
  width: auto;
  display: block;
}

.brand {
  color: var(--brand-white);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  gap: 20px;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--brand-text-primary);
  text-decoration: none;
  opacity: 0.8;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  opacity: 1;
  border-bottom-color: var(--brand-accent-cyan);
}

/* Generic section layout */

.section {
  padding: 80px 20px;
  background: #070811; /* slightly lighter than hero but still dark */
}

.section-alt {
  background: #0c0e17;
}

.section-inner {
  max-width: 1040px;
  margin: 0 auto;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.section-lead {
  font-size: 1.1rem;
  color: var(--brand-support-grey);
  max-width: 640px;
  margin-bottom: 40px;
}

/* Simple layout helpers */

.cards-3,
.cards-2 {
  display: grid;
  gap: 24px;
}

.cards-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.cards-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
  padding: 20px 20px 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.card p,
.card li {
  font-size: 0.95rem;
  color: var(--brand-text-primary);
}

.card ul {
  padding-left: 18px;
  margin: 0;
}

.columns-2 {
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr);
}

.columns-2 > div p {
  margin-top: 0;
}

/* Footer */

.site-footer {
  padding: 24px 20px 32px;
  background: #05060b;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.85rem;
}

.site-footer-inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-nav a {
  color: var(--brand-support-grey);
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--brand-accent-cyan);
}

/* Responsive tweaks */

@media (max-width: 720px) {
  .site-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 12px;
  }
}

a[href^="mailto:"] {
  color: #ccccff; /* Or any light shade you prefer */
  text-decoration: none;
}

a[href^="mailto:"]:hover {
  text-decoration: underline;
  color: #ffffff; /* Optional: make it even brighter on hover */
}