/* ===================================================================
   Matthew Falco — Personal Website
   Dark Glassmorphism Theme
   =================================================================== */

/* --- Custom Properties --- */
:root {
  --bg: #06060b;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 20px;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.3);
  --accent-2: #8b5cf6;
  --text: #e4e4e7;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  --radius: 16px;
  --radius-sm: 10px;
  --max-width: 1100px;
  --nav-height: 70px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #60a5fa; }

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

/* --- Background Effects --- */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

.bg-glow--1 {
  width: 600px;
  height: 600px;
  background: var(--accent);
  top: -200px;
  right: -100px;
  animation: glow-drift 20s ease-in-out infinite alternate;
}

.bg-glow--2 {
  width: 500px;
  height: 500px;
  background: var(--accent-2);
  bottom: -200px;
  left: -100px;
  animation: glow-drift 25s ease-in-out infinite alternate-reverse;
}

@keyframes glow-drift {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, 30px) scale(1.1); }
  100% { transform: translate(-30px, -20px) scale(0.95); }
}

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  transition: background var(--transition), backdrop-filter var(--transition);
}

.nav--scrolled {
  background: rgba(6, 6, 11, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
}

.nav__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--glass-border);
}

.nav__links {
  display: flex;
  gap: 8px;
}

.nav__link {
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
}

.nav__link:hover {
  color: var(--text);
  background: var(--bg-card);
}

.nav__link--active {
  color: var(--text);
  background: var(--bg-card);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Main --- */
.main {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-height);
}

/* --- Hero Section --- */
.hero {
  padding: 100px 0 80px;
  text-align: center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.hero__avatar-wrap {
  position: relative;
  width: 160px;
  height: 160px;
  margin-bottom: 8px;
}

.hero__avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  position: relative;
  z-index: 2;
  border: 3px solid var(--glass-border);
}

.hero__avatar-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: conic-gradient(from 0deg, var(--accent), var(--accent-2), var(--accent)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: ring-spin 8s linear infinite;
}

@keyframes ring-spin {
  to { transform: rotate(360deg); }
}

.hero__name {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__title {
  font-size: 1.15rem;
  color: var(--accent);
  font-weight: 500;
}

.hero__location {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.hero__social {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.hero__social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  transition: all var(--transition);
  backdrop-filter: blur(10px);
}

.hero__social-link:hover {
  background: var(--bg-card-hover);
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

/* --- Sections --- */
.section {
  padding: 60px 0;
}

.section__title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 32px;
  color: var(--text);
}

.section__cta {
  text-align: center;
  margin-top: 32px;
}

/* --- Page Hero --- */
.page-hero {
  padding: 80px 0 40px;
  text-align: center;
}

.page-hero__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.page-hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* --- Glass Card --- */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.glass-card--wide {
  max-width: 800px;
  margin: 0 auto;
}

.glass-card--sm {
  padding: 20px;
}

/* --- Card Content --- */
.card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.card__title--sm {
  font-size: 0.95rem;
}

.card__subtitle {
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.card__meta {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}

/* --- Grid --- */
.grid {
  display: grid;
  gap: 20px;
}

.grid--1 { grid-template-columns: 1fr; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

/* --- Timeline --- */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2));
  border-radius: 2px;
}

.timeline__item {
  position: relative;
}

.timeline__dot {
  position: absolute;
  left: -28px;
  top: 32px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
  z-index: 2;
}

.timeline__header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  margin-bottom: 4px;
}

.timeline__title {
  font-size: 1.1rem;
  font-weight: 600;
}

.timeline__company {
  font-size: 0.95rem;
  color: var(--accent);
  font-weight: 500;
}

.timeline__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 8px;
}

.timeline__date,
.timeline__location {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}

.timeline__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.timeline__item--hidden {
  display: none;
}

.timeline--expanded .timeline__item--hidden {
  display: block;
}

/* --- Tags --- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.9rem;
  color: var(--text-muted);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}

.tag:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.08);
}

/* --- Interests Grid --- */
.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.interest-card {
  text-align: center;
  padding: 32px 20px;
}

.interest-card__icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  line-height: 1;
}

.interest-card__title {
  font-size: 1rem;
  font-weight: 600;
}

/* --- About Text --- */
.about__text {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about__text--large {
  font-size: 1.1rem;
  text-align: center;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--accent);
  color: #fff;
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}

.btn:hover {
  background: #2563eb;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

.btn--outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn--outline:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent);
}

/* --- Footer --- */
.footer {
  position: relative;
  z-index: 1;
  padding: 40px 0;
  border-top: 1px solid var(--glass-border);
  margin-top: 40px;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social-link {
  color: var(--text-dim);
  transition: color var(--transition);
}

.footer__social-link:hover {
  color: var(--accent);
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.footer__copy a {
  color: var(--text-muted);
}

.footer__copy a:hover {
  color: var(--accent);
}

/* --- Custom Pages --- */
.custom-page {
  padding: 80px 0 40px;
}

.custom-page h1,
.custom-page h2,
.custom-page h3 {
  margin: 1.5em 0 0.5em;
}

.custom-page p {
  color: var(--text-muted);
  margin-bottom: 1em;
  line-height: 1.8;
}

.custom-page ul, .custom-page ol {
  color: var(--text-muted);
  padding-left: 1.5em;
  margin-bottom: 1em;
}

.custom-page code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-card);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.custom-page pre {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 1em;
}

.custom-page pre code {
  background: none;
  padding: 0;
}

/* --- Featured / Link Preview Cards --- */
.featured-scroll {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.link-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--text);
  transition: all var(--transition);
  position: relative;
}

.link-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-3px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  color: var(--text);
}

.link-card__image {
  width: 100%;
  height: 160px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--glass-border);
}

.link-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.link-card:hover .link-card__image img {
  transform: scale(1.03);
}

.link-card__image--placeholder {
  color: var(--text-dim);
}

.link-card__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.link-card__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

.link-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.link-card__domain {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  margin-top: auto;
  padding-top: 4px;
}

.link-card__arrow {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  border-radius: 8px;
  color: var(--text-muted);
  opacity: 0;
  transition: all var(--transition);
}

.link-card:hover .link-card__arrow {
  opacity: 1;
  color: var(--accent);
}

/* --- Media Chips (inline link previews in timeline/cards) --- */
.media-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--glass-border);
}

.media-strip--card {
  margin-top: 16px;
  padding-top: 16px;
}

.media-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: all var(--transition);
  max-width: 100%;
  min-width: 0;
}

.media-chip:hover {
  background: rgba(59, 130, 246, 0.06);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--text);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.media-chip__img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.media-chip__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
  border-radius: 8px;
  color: var(--accent);
  flex-shrink: 0;
}

.media-chip__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.media-chip__title {
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.media-chip__domain {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}

.media-chip__arrow {
  flex-shrink: 0;
  color: var(--text-dim);
  transition: color var(--transition);
}

.media-chip:hover .media-chip__arrow {
  color: var(--accent);
}

/* --- Clickable glass cards --- */
.glass-card--link {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), box-shadow var(--transition);
}

.glass-card--link:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(26, 61, 187, 0.15);
}

/* --- GitHub Repo Meta --- */
.repo-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.repo-meta__lang {
  display: flex;
  align-items: center;
  gap: 5px;
}

.repo-meta__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.repo-meta__stat {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* --- Spotify Artist Cards --- */
.spotify-artist {
  text-align: center;
}

.spotify-artist__img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 12px;
}

/* --- Spotify Track List --- */
.spotify-track {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
}

.spotify-track__art {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  flex-shrink: 0;
}

.spotify-track__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.spotify-track__name {
  font-weight: 500;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.spotify-track__artist {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Scroll Animations --- */
.animate {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.grid .animate:nth-child(2) { transition-delay: 0.1s; }
.grid .animate:nth-child(3) { transition-delay: 0.2s; }
.grid .animate:nth-child(4) { transition-delay: 0.3s; }
.timeline .animate:nth-child(2) { transition-delay: 0.15s; }
.interests-grid .animate:nth-child(2) { transition-delay: 0.05s; }
.interests-grid .animate:nth-child(3) { transition-delay: 0.1s; }
.interests-grid .animate:nth-child(4) { transition-delay: 0.15s; }
.interests-grid .animate:nth-child(5) { transition-delay: 0.2s; }
.interests-grid .animate:nth-child(6) { transition-delay: 0.25s; }
.interests-grid .animate:nth-child(7) { transition-delay: 0.3s; }
.interests-grid .animate:nth-child(8) { transition-delay: 0.35s; }
.interests-grid .animate:nth-child(9) { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(6, 6, 11, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 16px;
    border-bottom: 1px solid var(--glass-border);
    gap: 4px;
  }

  .nav__links--open {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }

  .hero { padding: 60px 0 40px; }
  .hero__avatar-wrap { width: 120px; height: 120px; }
  .hero__avatar { width: 120px; height: 120px; }
  .section { padding: 40px 0; }
  .grid--2 { grid-template-columns: 1fr; }
  .grid--3 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
  .grid--4 { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
  .interests-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
  .timeline { padding-left: 24px; }
  .featured-scroll { grid-template-columns: 1fr; }
  .link-card__image { height: 140px; }
  .media-chip { flex: 1 1 100%; }
}

@media (max-width: 480px) {
  .glass-card { padding: 20px; }
  .hero__name { font-size: 1.8rem; }
  .section__title { font-size: 1.3rem; }
}