/* ===== Site header ===== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.site-header.is-scrolled {
  background: rgba(5,8,15,.8);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block: var(--sp-4);
}

.site-header__wordmark {
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.site-header__wordmark:hover,
.site-header__wordmark:focus-visible {
  color: var(--accent-2);
  text-decoration: none;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 24px;
  padding-inline: var(--sp-2);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  font-weight: 600;
  white-space: nowrap;
}

.site-header__nav a:hover,
.site-header__nav a:focus-visible {
  color: var(--accent-2);
  text-decoration: none;
}

@media (max-width: 640px) {
  .site-header__nav {
    gap: var(--sp-2);
  }

  .site-header__nav a {
    font-size: var(--fs-xs);
  }
}

/* ===== Hero ===== */

.hero {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: calc(100vh - 64px);
  padding: var(--sp-16) 0;
  background:
    radial-gradient(ellipse 55% 45% at 72% 22%, rgba(56, 189, 248, 0.18), transparent 70%),
    radial-gradient(ellipse 45% 40% at 18% 85%, rgba(103, 232, 249, 0.09), transparent 70%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-8);
}

.hero__portrait {
  justify-self: center;
  width: 100%;
  max-width: 280px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--glow-strong);
  animation: pulse-glow 5s var(--ease) infinite;
}

.hero__portrait img {
  width: 100%;
  height: auto;
}

.hero__content {
  max-width: 56ch;
}

.hero h1 {
  margin: 0 0 var(--sp-4);
  font-size: var(--fs-hero);
  text-shadow: 0 0 22px rgba(103, 232, 249, 0.35);
}

.hero__tagline {
  margin: 0 0 var(--sp-4);
  font-size: var(--fs-xl);
  font-weight: 700;
  line-height: 1.35;
  background: linear-gradient(90deg, var(--text), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero__sub {
  margin: 0 0 var(--sp-8);
  max-width: 50ch;
  color: var(--text-muted);
  font-size: var(--fs-lg);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.hero__bolts {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.16;
  animation: flicker 6s linear infinite;
}

.hero__bolts svg {
  display: block;
  width: 100%;
  height: 100%;
}

@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: var(--glow-strong);
  }

  50% {
    box-shadow: 0 0 72px rgba(103, 232, 249, 0.8);
  }
}

@keyframes flicker {
  0%,
  90%,
  100% {
    opacity: 0.16;
  }

  91% {
    opacity: 0.45;
  }

  93% {
    opacity: 0.2;
  }

  95% {
    opacity: 0.5;
  }

  97% {
    opacity: 0.16;
  }
}

@media (min-width: 900px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: center;
    gap: var(--sp-12);
  }

  .hero__portrait {
    order: 2;
    max-width: none;
  }
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr) 420px;
  }
}

@media (max-width: 899px) {
  .hero {
    padding: var(--sp-8) 0;
  }

  .hero__portrait {
    max-width: 200px;
  }
}

@media (max-width: 639px) {
  .hero__bolts {
    display: none;
  }
}

/* ===== Games ===== */

section[id] {
  scroll-margin-top: 5rem;
}

#games {
  padding-top: var(--sp-12);
}

.games-group {
  margin-top: var(--sp-12);
}

.games-group__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.games-group__head h3 {
  margin: 0;
  font-size: var(--fs-xl);
}

.games-group__desc {
  margin: var(--sp-2) 0 var(--sp-6);
  max-width: 60ch;
  color: var(--text-muted);
}

.group-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
}

.group-row .grid {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .group-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .group-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card--soon {
  border-style: dashed;
}

.card--soon .card__title {
  color: var(--text-muted);
}

/* ===== Projects ===== */

.card--repo {
  padding: var(--sp-6);
  gap: var(--sp-3);
}

.card--repo .card__title {
  font-family: var(--font-mono);
}

.projects-more {
  margin: var(--sp-8) 0 0;
}

.projects-more a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  min-width: 24px;
  padding-inline: var(--sp-2);
  font-weight: 600;
}

/* ===== About ===== */

.about-bio {
  margin: 0 0 var(--sp-8);
  max-width: 60ch;
  font-size: var(--fs-lg);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.social-link svg {
  flex-shrink: 0;
}

/* ===== Footer ===== */

.site-footer {
  padding: var(--sp-8) 0;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}

.site-footer p {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--fs-sm);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.site-footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 24px;
  padding-inline: var(--sp-2);
  color: var(--text-dim);
  font-size: var(--fs-sm);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--accent-2);
}

@media (max-width: 640px) {
  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ===== Reduced motion ===== */

@media (prefers-reduced-motion: reduce) {
  .hero__portrait,
  .hero__bolts {
    animation: none;
  }
}