:root {
  color-scheme: dark;
  --color-night: #041019;
  --color-space: #030b12;
  --color-forest: #0d2818;
  --color-leaf: #3ba55d;
  --color-coil: #1dd3b0;
  --color-lime: #b5f44a;
  --color-amber: #f5df4d;
  --color-soil: #5a3e2b;
  --color-nebula: #7f5af0;
  --color-ice: #f4f9ff;
  --color-cloud: #9fb3c8;
  --color-shadow: rgba(0, 0, 0, 0.35);
  --card-bg: rgba(7, 18, 30, 0.8);
  --card-border: rgba(255, 255, 255, 0.08);
  --blur: 18px;
  --border-radius: 1.5rem;
  --font-heading: 'Press Start 2P', 'VT323', monospace;
  --font-body: 'Space Grotesk', 'Space Mono', sans-serif;
  --font-code: 'IBM Plex Mono', 'Space Mono', monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  background-color: var(--color-night);
  color: var(--color-ice);
  background-image:
    radial-gradient(circle at 20% 20%, rgba(245, 223, 77, 0.12) 1px, transparent 0),
    radial-gradient(circle at 80% 10%, rgba(29, 211, 176, 0.2) 1px, transparent 0),
    linear-gradient(90deg, rgba(13, 40, 24, 0.6) 20px, transparent 21px),
    linear-gradient(rgba(13, 40, 24, 0.6) 20px, transparent 21px),
    linear-gradient(180deg, #041019, #071e13 60%, #041019);
  background-size: 300px 300px, 220px 220px, 40px 40px, 40px 40px, 100% 100%;
  background-attachment: fixed;
}

body::before,
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 0);
  background-size: 2px 2px;
  opacity: 0.3;
}

body::after {
  background-image: linear-gradient(120deg, rgba(181, 244, 74, 0.08), transparent 60%);
  mix-blend-mode: screen;
  opacity: 0.7;
}

.background-noise {
  position: fixed;
  inset: 0;
  background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="160" height="160" viewBox="0 0 160 160"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.05"%3E%3Cpath d="M0 0h20v20H0z"/%3E%3C/g%3E%3C/svg%3E');
  opacity: 0.2;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: -1;
}

main {
  width: min(1100px, 90vw);
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-lime);
  text-decoration: none;
  font-weight: 500;
}

a:hover,
a:focus-visible {
  color: var(--color-coil);
}

code {
  font-family: var(--font-code);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0.4rem;
  padding: 0.1rem 0.4rem;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(var(--blur));
  background: rgba(4, 16, 25, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 10;
}

.nav {
  width: min(1100px, 90vw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
}

.nav__brand {
  font-family: var(--font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-amber);
}

.nav__brand span {
  color: var(--color-lime);
}

.nav__links {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  margin-left: auto;
}

.nav__links a {
  font-size: 0.95rem;
  color: var(--color-cloud);
}

.nav__links a.is-active,
.nav__links a:hover,
.nav__links a:focus-visible {
  color: var(--color-lime);
}

.nav__resume {
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: var(--color-ice);
}

.nav__toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.8rem;
  padding: 0.35rem;
  flex-direction: column;
  gap: 0.3rem;
}

.nav__toggle span {
  width: 1.6rem;
  height: 2px;
  background: var(--color-ice);
  display: block;
}

.hero {
  display: grid;
  grid-template-columns: minmax(200px, 260px) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  margin-top: 3rem;
}

.hero__profile {
  text-align: center;
}

.avatar-frame {
  position: relative;
  width: min(260px, 60vw);
  margin: 0 auto;
  padding: 0.8rem;
  background: linear-gradient(135deg, rgba(58, 165, 93, 0.4), rgba(245, 223, 77, 0.4));
  border-radius: 1.2rem;
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.avatar-frame img {
  border-radius: 1rem;
  border: 4px solid var(--color-forest);
}

.avatar-glow {
  position: absolute;
  inset: 10% 8%;
  background: radial-gradient(circle, rgba(181, 244, 74, 0.2), transparent 65%);
  z-index: -1;
}

.status-chip {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 1rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.85rem;
  color: var(--color-cloud);
}

.hero__copy .eyebrow {
  font-family: var(--font-heading);
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  color: var(--color-amber);
  margin-bottom: 0.8rem;
}

.hero__copy h1,
.section-heading h2,
.talks-preview__card h3,
.talks-page h1 {
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.2;
}

.hero__copy h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 1rem;
}

.hero__meta {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.hero__meta li {
  background: rgba(4, 16, 25, 0.7);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  padding: 1rem;
}

.hero__meta span {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cloud);
  margin-bottom: 0.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn--primary {
  background: linear-gradient(120deg, var(--color-leaf), var(--color-coil));
  color: #021108;
  box-shadow: 0 10px 30px rgba(61, 165, 93, 0.3);
}

.btn--ghost {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-ice);
  background: rgba(255, 255, 255, 0.05);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

.section-heading {
  margin-bottom: 2rem;
}

.section-heading p {
  color: var(--color-cloud);
}

.links {
  margin-top: 5rem;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.link-card {
  padding: 1.8rem;
  border-radius: 1.2rem;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  color: inherit;
}

.link-card:hover,
.link-card:focus-visible {
  border-color: rgba(181, 244, 74, 0.7);
  box-shadow: 0 15px 35px rgba(5, 15, 20, 0.4);
}

.link-card__label {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cloud);
}

.link-card.accent {
  background: linear-gradient(150deg, rgba(58, 165, 93, 0.4), rgba(245, 223, 77, 0.3));
  border-color: rgba(245, 223, 77, 0.6);
}

.talks-preview {
  margin-top: 5rem;
}

.talks-preview__card {
  background: rgba(5, 15, 20, 0.85);
  border: 1px solid var(--card-border);
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.talks-preview__card ul {
  padding-left: 1.2rem;
  color: var(--color-cloud);
}

.site-footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  color: var(--color-cloud);
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--color-amber);
}

.talks-page {
  width: min(900px, 92vw);
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

.page-hero {
  margin-top: 3rem;
}

.talks-feed {
  margin-top: 3rem;
  background: rgba(4, 16, 25, 0.85);
  border: 1px solid var(--card-border);
  border-radius: 1.5rem;
  padding: 2.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.talks-feed h2,
.talks-feed h3,
.talks-feed h4 {
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
  margin-top: 2rem;
}

.talks-feed ul,
.talks-feed ol {
  padding-left: 1.2rem;
}

.talks-feed blockquote {
  border-left: 3px solid var(--color-leaf);
  margin: 1rem 0;
  padding-left: 1rem;
  color: var(--color-cloud);
}

.loading-state {
  text-align: center;
  color: var(--color-cloud);
  font-style: italic;
}

.talks-feed .error {
  color: #ffb4c8;
}

/* Font modes */
body[data-font='pixel'] {
  --font-heading: 'Press Start 2P', 'VT323', monospace;
  --font-body: 'Space Grotesk', 'Space Mono', sans-serif;
}

body[data-font='terminal'] {
  --font-heading: 'VT323', 'IBM Plex Mono', monospace;
  --font-body: 'IBM Plex Mono', 'Space Mono', monospace;
}

body[data-font='sleek'] {
  --font-heading: 'Chakra Petch', 'Space Grotesk', sans-serif;
  --font-body: 'Space Grotesk', 'IBM Plex Mono', sans-serif;
}

body[data-font='sleek'] .hero__copy h1,
body[data-font='sleek'] .section-heading h2 {
  text-transform: none;
  letter-spacing: 0.02em;
}

/* Responsive */
@media (max-width: 960px) {
  .nav {
    flex-wrap: wrap;
  }

  .nav__toggle {
    display: flex;
    margin-left: auto;
  }

  .nav__links {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    display: none;
    margin-left: 0;
    padding-top: 1rem;
  }

  .nav__links[data-open='true'] {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .hero__profile {
    order: -1;
  }
}

@media (max-width: 640px) {
  main,
  .talks-page {
    width: 92vw;
  }

  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .link-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  body::after {
    display: none;
  }
}