@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Oswald:wght@400;500;600;700&display=swap');

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--co-black-deep);
  color: var(--co-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 1px;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p { margin-bottom: var(--spacing-md); }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), border var(--transition-fast);
}

ul { list-style: none; }
img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* Cobra Pattern Background */
.cobra-pattern-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -10;
  opacity: 0.04;
  pointer-events: none;
  /* Hexagon pattern */
  background-image: url("data:image/svg+xml,%3Csvg width='40' height='69' viewBox='0 0 40 69' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 0l20 11.54v23.08L20 46.16 0 34.62V11.54z' fill='%23ffffff' fill-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 30px;
}

/* Layout Utilities (Grid System) */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}
@media (max-width: 768px) {
  .container { padding: 0 var(--spacing-md); }
}

main {
  padding-top: calc(var(--banner-height) + var(--header-height));
}

.section {
  padding: var(--spacing-4xl) 0;
}

/* Flex utilities */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-column { flex-direction: column; }