/* ─────────────────────────────────────────────────────
   vom westen — premium tech portfolio
   Ex Machina inspired: minimal, sophisticated, pixel-perfect.
   ───────────────────────────────────────────────────── */

:root {
  --color-bg:     #f8f8f8; /* crisp white */
  --color-surface: #ffffff; /* pure white */
  --color-fg:     #0a0a0a; /* deep black */
  --color-fg-soft:#2b2822; /* soft black */
  --color-accent: #78A000; /* vibrant green from logo */
  --color-accent-bright: #F0C800; /* yellow accent */
  --color-accent-dark: #3C6400; /* dark green */
  --color-logo-gray-dark: #787864; /* darker gray from logo */
  --color-muted:  #666666; /* subtle gray */

  --font-display: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", "Monaco", monospace;

  /* 8px base grid, with restrained half- and quarter-step details. */
  --u: 8px;
  --size-0-25: calc(var(--u) * 0.25);
  --size-0-5: calc(var(--u) * 0.5);
  --size-1: var(--u);
  --size-1-5: calc(var(--u) * 1.5);
  --size-2: calc(var(--u) * 2);
  --size-3: calc(var(--u) * 3);
  --size-4: calc(var(--u) * 4);
  --size-5: calc(var(--u) * 5);
  --size-6: calc(var(--u) * 6);
  --size-8: calc(var(--u) * 8);

  --margin: var(--size-6);
  --border-radius: var(--size-0-25);
  --transition: all 240ms cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
  font-size: var(--size-2);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Fade in animation on load */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(var(--size-3)); }
  to { opacity: 1; transform: translateY(0); }
}

/* Subtle pulse for accent elements */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-fg);
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: var(--margin);
  cursor: none;
  overflow-x: hidden;
  position: relative;
}

/* Subtle grain texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(120, 160, 0, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 0, 0.05) 1px, transparent 1px);
  background-size: var(--size-5) var(--size-5);
  pointer-events: none;
  z-index: 1;
  opacity: 0.6;
}

/* Film grain effect */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
}

header {
  padding-bottom: var(--size-6);
  position: relative;
  z-index: 10;
}

.logo {
  display: inline-block;
  text-decoration: none;
  position: relative;
}

.logo-image {
  height: var(--size-6);
  width: auto;
  opacity: 0.9;
  filter: brightness(1.1) contrast(1.1);
}

main {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  position: relative;
  z-index: 5;
  animation: fadeIn 1s ease-out;
  padding-left: calc(var(--margin) * 1.5);
}

.cover {
  padding-bottom: var(--size-8);
  max-width: min(100%, 1200px);
  width: 100%;
}

h1 {
  font-size: clamp(3rem, 7.5vw, 8rem);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.06em;
  margin-bottom: var(--size-4);
  color: var(--color-fg);
  font-variant-numeric: tabular-nums;
  position: relative;
  animation: fadeIn 1s ease-out 0.2s both;
  font-family: var(--font-display);
}

.last-name {
  white-space: nowrap;
}

.descriptor {
  font-size: var(--size-2);
  font-weight: 400;
  color: var(--color-accent);
  letter-spacing: 0.02em;
  line-height: var(--size-3);
  max-width: 600px;
  font-family: var(--font-body);
  position: relative;
  animation: fadeIn 1s ease-out 0.4s both;
}

.descriptor br {
  display: block;
  content: "";
  margin-top: var(--size-0-5);
}

footer {
  padding-top: var(--size-4);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: var(--size-4);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-family: var(--font-mono);
  position: relative;
  z-index: 5;
  animation: fadeIn 1s ease-out 0.6s both;
}

.footer-role {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: var(--size-3);
  row-gap: 0;
  color: var(--color-fg-soft);
  transition: color 0.3s ease;
}

.copyright {
  justify-self: end;
  color: var(--color-accent);
  font-weight: 500;
  transition: color 0.3s ease;
}

.footer-role:hover {
  color: var(--color-fg);
}

.copyright:hover {
  color: var(--color-accent-dark);
}

.social-links {
  display: inline-flex;
  gap: var(--size-3);
  white-space: nowrap;
}

.social-links a {
  position: relative;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.social-links a::after {
  position: absolute;
  right: -0.8em;
  top: -0.15em;
  color: var(--color-accent);
  content: "↗";
  font-size: 0.72em;
  opacity: 0;
  transform: translate(calc(var(--size-0-25) * -1), var(--size-0-25));
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.social-links a:hover,
.social-links a:focus-visible {
  color: var(--color-fg);
}

.social-links a:hover::after,
.social-links a:focus-visible::after {
  opacity: 1;
  transform: translate(0, 0);
}

.social-links a:focus-visible {
  outline: 1px solid var(--color-accent);
  outline-offset: var(--size-0-5);
}

.cursor-ring {
  position: fixed;
  left: 0;
  top: 0;
  width: calc(var(--u) * 38);
  height: calc(var(--u) * 38);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transition: opacity 120ms ease;
  background: white;
  mix-blend-mode: difference;
  border: var(--size-0-25) solid white;
  will-change: transform;
}

body.is-pointer-active .cursor-ring {
  opacity: 0.8;
}

@media (max-width: 600px) {
  :root {
    --margin: var(--size-4);
  }

  body {
    cursor: auto;
  }

  main {
    padding-left: 0;
  }

  .cursor-ring {
    display: none;
  }

  .logo-image {
    height: var(--size-4);
  }

  h1 {
    font-size: clamp(2.5rem, 12vw, 4rem);
    letter-spacing: -0.03em;
  }

  .last-name {
    display: block;
  }

  .descriptor {
    font-size: var(--size-2);
    max-width: 100%;
  }

  footer {
    display: flex;
    flex-direction: column;
    gap: var(--size-2);
    align-items: flex-start;
    text-align: left;
  }

  .copyright {
    justify-self: auto;
  }
}