/* CSS Variables */
:root {
  --textColor: #282828;
  --backgroundColor: rgba(247, 247, 247, 0.8);
  --keyColor: #00b2ff;
  --linkColor: var(--textColor);
  --linkUnderlineColor: color-mix(
    in srgb,
    var(--keyColor) 50%,
    rgba(255, 255, 255, 0)
  );
}

/* Font Face Declarations */
@font-face {
  font-family: "JetBrainsMono";
  src: url("fonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: "JetBrainsMono";
  src: url("fonts/JetBrainsMono-Bold.woff2") format("woff2");
  font-weight: bold;
  font-style: normal;
}

/* Base Styles */
body {
  font-family: "JetBrainsMono", ui-monospace, "SF Mono", "Cascadia Code", monospace;
  font-size: 1.2em;
  line-height: 1.25;
  color: var(--textColor);
  background-color: var(--backgroundColor);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  min-height: 100vh;
}

/* Links */
a {
  color: var(--linkColor);
  text-decoration: underline;
  text-decoration-color: var(--linkUnderlineColor);
  text-decoration-thickness: 0.0625em;
  text-underline-offset: 0.25em;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--keyColor);
}

a:focus-visible {
  outline: 2px solid var(--keyColor);
  outline-offset: 0.125em;
  border-radius: 2px;
}

a:active {
  color: color-mix(in srgb, var(--keyColor) 80%, #000);
}

/* Layout */
.layoutContainer {
  padding: 1.5rem clamp(1.43rem, 2.5vw, 2.84rem) 3rem;
}

/* Header */
.header {
  font-size: 1.5rem;
  display: grid;
  grid-template-columns: min-content 1fr;
  align-items: center;
  column-gap: 1rem;
}

/* Footer */
.footer-text {
  font-size: 1rem;
  line-height: 1.2rem;
}

footer {
  margin-block-start: 100px;
  margin-block-end: 50px;
}

footer p {
  margin: 0;
}

/* Logo */
.logo {
  width: 2.75em;
  height: 2.75em;
}

/* Navigation */
.nav {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  justify-content: end;
  column-gap: 1rem;
}

/* Lead Section */
.lead {
  font-size: clamp(2rem, 4vw, 5rem);
}

.lead p {
  max-width: 18em;
}

/* About Section */
.about {
  margin-block-start: 5vh;
}

/* Images */
.image-cover {
  max-width: 100%;
  height: auto;
  pointer-events: auto;
}

/* Grid System */
.container {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 10px;
  width: 100%;
  box-sizing: border-box;
}

.column {
  box-sizing: border-box;
  padding: 10px;
}

.col-1 { grid-column: span 1; }
.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-11 { grid-column: span 11; }
.col-12 { grid-column: span 12; }

/* Tablet Breakpoint */
@media (width <= 768px) {
  .col-10, .col-8, .col-7, .col-9, .col-11 {
    grid-column: span 12;
  }

  .col-6 {
    grid-column: span 12;
  }

  .col-4, .col-5 {
    grid-column: span 6;
  }
}

/* Mobile Breakpoint */
@media (width <= 576px) {
  :root {
    font-size: 14px;
  }

  .header {
    font-size: 1rem;
  }

  .nav {
    column-gap: 1.5em;
  }

  .logo {
    width: 50px;
    height: 50px;
  }

  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
  .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
    grid-column: span 12;
  }

  .container {
    gap: 0.5rem;
  }
}