@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@400;600;700;800&family=Work+Sans:wght@400;500;600&family=JetBrains+Mono:wght@500&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=block');

:root {
  /* Brand Colors */
  --clr-primary: #002144;
  --clr-primary-container: #001026;
  --clr-secondary: #F15A24;
  --clr-secondary-hover: #d44d1c;
  --clr-secondary-light: #ffdbcc;
  --clr-surface: #f9f9ff;
  --clr-surface-dim: #cfdaf1;
  --clr-surface-bright: #f9f9ff;
  --clr-surface-container-lowest: #ffffff;
  --clr-surface-container-low: #f0f3ff;
  --clr-surface-container: #e7eeff;
  --clr-surface-container-high: #dee8ff;
  --clr-surface-container-highest: #d8e3fa;
  --clr-on-surface: #111c2c;
  --clr-on-surface-variant: #43474e;
  --clr-inverse-surface: #263142;
  --clr-inverse-on-surface: #ebf1ff;
  --clr-outline: #74777f;
  --clr-outline-variant: #c4c6cf;
  --clr-success: #2e7d32;
  --clr-on-success: #ffffff;
  --clr-error: #ba1a1a;
  --clr-on-error: #ffffff;
  --clr-error-container: #ffdad6;
  --clr-on-error-container: #93000a;

  /* Typography Fonts */
  --ff-display: 'Hanken Grotesk', sans-serif;
  --ff-body: 'Work Sans', sans-serif;
  --ff-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --space-unit: 4px;
  --space-gutter: 24px;
  --space-margin-mobile: 16px;
  --space-margin-desktop: 40px;
  --container-max: 1280px;

  /* Borders & Radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Elevation */
  --shadow-card: 0px 4px 12px rgba(0, 33, 68, 0.08);
  --shadow-elevated: 0px 8px 24px rgba(0, 33, 68, 0.14);
  --shadow-input: inset 0px 1px 2px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --transition-base: 200ms ease-in-out;
  --transition-smooth: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* CSS Resets & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--clr-surface);
  color: var(--clr-on-surface);
  font-family: var(--ff-body);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-margin-mobile);
  padding-right: var(--space-margin-mobile);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-margin-desktop);
    padding-right: var(--space-margin-desktop);
  }
}

/* Typography Classes */
.display-lg {
  font-family: var(--ff-display);
  font-size: clamp(2.25rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.headline-lg {
  font-family: var(--ff-display);
  font-size: clamp(1.75rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
}

.headline-md {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.3;
}

.body-lg {
  font-family: var(--ff-body);
  font-size: 1.125rem;
  line-height: 1.6;
}

.body-md {
  font-family: var(--ff-body);
  font-size: 1rem;
  line-height: 1.5;
}

.label-sm {
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.33;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.text-mono {
  font-family: var(--ff-mono);
}

/* Grid & Flex Helpers */
.d-grid {
  display: grid;
}

.grid-2 {
  grid-template-columns: 1fr;
  gap: var(--space-gutter);
}

.grid-3 {
  grid-template-columns: 1fr;
  gap: var(--space-gutter);
}

.grid-4 {
  grid-template-columns: 1fr;
  gap: var(--space-gutter);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.d-flex {
  display: flex;
}

.flex-wrap {
  flex-wrap: wrap;
}

.align-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.gap-1 { gap: calc(var(--space-unit) * 2); }
.gap-2 { gap: calc(var(--space-unit) * 4); }
.gap-3 { gap: calc(var(--space-unit) * 6); }
.gap-4 { gap: calc(var(--space-unit) * 8); }

/* Common Helper Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--clr-primary); }
.text-secondary { color: var(--clr-secondary); }
.text-on-surface-variant { color: var(--clr-on-surface-variant); }
.text-white { color: #ffffff; }

.bg-primary { background-color: var(--clr-primary); }
.bg-primary-container { background-color: var(--clr-primary-container); }
.bg-secondary { background-color: var(--clr-secondary); }
.bg-surface-low { background-color: var(--clr-surface-low); }
.bg-surface-container { background-color: var(--clr-surface-container); }
.bg-white { background-color: #ffffff; }

.border-b { border-bottom: 1px solid var(--clr-outline-variant); }
.border-all { border: 1px solid var(--clr-outline-variant); }

.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.py-32 { padding-top: 8rem; padding-bottom: 8rem; }

.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--clr-surface);
}
::-webkit-scrollbar-thumb {
  background: var(--clr-primary);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--clr-secondary);
}