:root {
  --primary: #00bfff;
  --secondary: #32ff7e;
  --bg: #0d0d0d;
  --text: #f2f2f2;
  --text-dim: #a8a8a8;
  --line: #f2f2f2;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  font-family: "Inter", "Helvetica", "Arial", sans-serif;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", "Inter", sans-serif;
  line-height: 1.1;
  text-transform: uppercase;
}

/* ---------- background: kein aurora, kein grain ---------- */

.aurora,
.grain {
  display: none;
}

/* ---------- navigation ---------- */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem clamp(1.25rem, 5vw, 4rem);
  background: transparent;
  border-bottom: 3px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease;
}

#theme-toggle {
  font-family: var(--mono), monospace;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text);
  background: var(--bg);
  border: 2px solid var(--line);
  box-shadow: 3px 3px 0 var(--secondary);
  padding: 0.25rem 0.7rem;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

#theme-toggle:hover,
#theme-toggle:focus-visible {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--secondary);
}

nav.scrolled {
  background: var(--bg);
  border-bottom-color: var(--line);
}

.nav-links {
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
}

.nav-links a {
  font-family: var(--mono), monospace;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  text-decoration: none;
  padding: 0.25rem 0.6rem;
  border: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  border-color: var(--line);
}

.nav-links a.active {
  background: var(--secondary);
  color: #000;
  border-color: var(--line);
  box-shadow: 3px 3px 0 var(--primary);
}

/* ---------- hero ---------- */

header {
  min-height: 100svh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 6rem 1.5rem 4rem;
}

.hero {
  max-width: 46rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.portrait-ring {
  padding: 0;
  border: 3px solid var(--line);
  box-shadow: 10px 10px 0 var(--primary);
  background: var(--bg);
}

.portrait {
  display: block;
  width: clamp(8rem, 24vw, 11rem);
  height: clamp(8rem, 24vw, 11rem);
  object-fit: cover;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.bubble-wrap {
  position: relative;
  margin-top: 1.25rem;
}

.bubble {
  padding: 0.75rem 2.5rem 1rem;
  background: var(--bg);
  border: 3px solid var(--line);
  box-shadow: 10px 10px 0 var(--secondary);
}

.bubble-tail {
  position: absolute;
  top: -12px;
  left: 50%;
  width: 20px;
  height: 20px;
  margin-left: -10px;
  background: var(--bg);
  border-left: 3px solid var(--line);
  border-top: 3px solid var(--line);
  transform: rotate(45deg);
}

.accent {
  background: var(--secondary);
  color: #000;
  padding: 0 0.75rem;
}

.subtitle {
  margin: 0;
  font-family: var(--mono), monospace;
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  color: var(--text-dim);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.tagline {
  margin: 0.5rem 0 0;
  color: var(--text-dim);
  max-width: 38rem;
}

.tagline strong {
  color: var(--text);
  font-weight: 700;
}

.tagline em {
  font-style: normal;
  font-weight: 600;
  background: var(--primary);
  color: #000;
  padding: 0 0.3rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  font-family: var(--mono), monospace;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--text);
  background: var(--bg);
  border: 2px solid var(--line);
  box-shadow: 5px 5px 0 var(--primary);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 var(--primary);
}

.btn-primary {
  background: var(--secondary);
  color: #000;
}

.btn-icon {
  height: 1.1rem;
  width: 1.1rem;
  object-fit: contain;
}

.btn-icon.dark {
  filter: brightness(0);
}

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  width: 1.4rem;
  height: 2.3rem;
  margin-left: -0.7rem;
  border: 2px solid var(--line);
  transition: opacity 0.2s ease;
}

.scroll-hint.hidden {
  opacity: 0;
  pointer-events: none;
}

.scroll-hint::after {
  content: "";
  position: absolute;
  top: 0.45rem;
  left: 50%;
  width: 0.3rem;
  height: 0.3rem;
  margin-left: -0.15rem;
  background: var(--secondary);
  animation: scroll-dot 1.2s steps(3, end) infinite;
}

@keyframes scroll-dot {
  50% {
    transform: translateY(0.7rem);
  }
  100% {
    transform: translateY(0);
  }
}

/* ---------- sections ---------- */

main {
  display: flex;
  flex-direction: column;
  gap: clamp(4rem, 10vw, 7rem);
  padding: 0 clamp(1.25rem, 5vw, 4rem) 5rem;
  max-width: 72rem;
  margin: 0 auto;
}

section {
  display: flex;
  flex-direction: column;
  align-items: center;
}

h2 {
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  background: var(--line);
  color: var(--bg);
  padding: 0.15rem 1.5rem;
  transform: rotate(-1deg);
  box-shadow: 6px 6px 0 var(--primary);
}

hr {
  height: 8px;
  width: 6rem;
  border: none;
  background: var(--secondary);
  outline: 2px solid var(--line);
  margin: 1.75rem 0 2.5rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.25s ease-out, transform 0.25s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- techstack ---------- */

.stack-cards,
.bento {
  display: grid;
  gap: 2rem;
  width: 100%;
}

.stack-cards {
  grid-template-columns: repeat(3, 1fr);
}

.stack-group {
  padding: 1.5rem;
}

.glass-card {
  background: var(--bg);
  border: 2px solid var(--line);
  box-shadow: 8px 8px 0 var(--primary);
}

.stack-group h3 {
  margin: 0 0 1rem;
  font-family: var(--mono), monospace;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.1em;
}

.pills {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.8rem;
  font-family: var(--mono), monospace;
  font-size: 0.8rem;
  border: 2px solid var(--line);
  background: var(--bg);
  transition: transform 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.pill:hover {
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--secondary);
}

.pill img.invert {
  filter: invert(1);
}

.btn-icon,
.pill img {
  height: 1.1rem;
  width: 1.1rem;
  object-fit: contain;
}

.pills.small .pill {
  padding: 0.15rem 0.55rem;
  font-size: 0.72rem;
  color: var(--text-dim);
  border-width: 1px;
}

/* ---------- work: bento grid ---------- */

.bento {
  grid-template-columns: repeat(6, 1fr);
}

.card {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 2px solid var(--line);
  box-shadow: 8px 8px 0 var(--primary);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.card:nth-child(even) {
  box-shadow: 8px 8px 0 var(--secondary);
}

.card:hover {
  transform: translate(4px, 4px) rotate(-0.5deg);
  box-shadow: 3px 3px 0 var(--primary);
}

.card:nth-child(even):hover {
  box-shadow: 3px 3px 0 var(--secondary);
}

.card.featured {
  grid-column: span 3;
}

.card[hidden] {
  display: none;
}

.more-tile {
  grid-column: span 4;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 8rem;
  font-family: var(--mono), monospace;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  background: transparent;
  border: 3px dashed var(--line);
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.more-tile:hover,
.more-tile:focus-visible {
  background: var(--secondary);
  color: #000;
  border-color: var(--line);
  border-style: solid;
}

.card > a {
  display: block;
  overflow: hidden;
  border-bottom: 2px solid var(--line);
}

.screenshot {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: top;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.25rem;
  flex: 1;
}

.card-body h3 {
  margin: 0;
  font-size: 1.2rem;
}

.card-body p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-dim);
  flex: 1;
}

.card-links {
  display: flex;
  gap: 1rem;
}

.card-links a {
  font-family: var(--mono), monospace;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  text-decoration: underline 2px;
  text-underline-offset: 3px;
}

.card-links a:hover,
.card-links a:focus-visible {
  background: var(--primary);
  color: #000;
  text-decoration: none;
}

@media only screen and (max-width: 900px) {
  .card,
  .card.featured {
    grid-column: span 3;
  }

  .more-tile {
    grid-column: span 6;
    min-height: 5rem;
  }

  .stack-cards {
    grid-template-columns: 1fr;
  }
}

@media only screen and (max-width: 640px) {
  .card,
  .card.featured {
    grid-column: span 6;
  }
}

/* ---------- contact ---------- */

.contact-card {
  max-width: 40rem;
  padding: clamp(1.5rem, 5vw, 3rem);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 10px 10px 0 var(--secondary);
}

.contact-card h3 {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 1.9rem);
}

.contact-card p {
  margin: 0;
  color: var(--text-dim);
}

/* ---------- footer ---------- */

footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem clamp(1.25rem, 5vw, 4rem);
  font-family: var(--mono), monospace;
  color: var(--text-dim);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

footer p {
  margin: 0;
}

.to-top {
  color: var(--text);
  text-decoration: underline 2px;
  text-underline-offset: 3px;
}

.to-top:hover,
.to-top:focus-visible {
  background: var(--secondary);
  color: #000;
  text-decoration: none;
}

/* ---------- accessibility ---------- */

::selection {
  background: var(--secondary);
  color: #000;
}

a:focus-visible,
.btn:focus-visible,
.more-tile:focus-visible {
  outline: 3px solid var(--secondary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .scroll-hint::after {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}