/* =============================================
   Raffaele Di Nardo — Dev Environment Homepage
   Dark Mode — Developer Style
   ============================================= */

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

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2128;
  --bg-card-hover: #22272e;
  --border: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --green: #3fb950;
  --orange: #d29922;
  --red: #f85149;
  --purple: #bc8cff;
  --pink: #f778ba;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

/* --- Container --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Header / Hero --- */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.hero__avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 3px solid var(--border);
  margin-bottom: 20px;
  transition: border-color var(--transition), transform var(--transition);
}

.hero__avatar:hover {
  border-color: var(--accent);
  transform: scale(1.05);
}

.hero__name {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.hero__tagline .cursor {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero__links {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all var(--transition);
  background: var(--bg-secondary);
}

.hero__link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.hero__link svg {
  width: 18px;
  height: 18px;
}

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

.section__title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section__title::before {
  content: '//';
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-weight: 400;
}

.section__subtitle {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

/* --- Stack Overview --- */
.stacks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 48px;
}

.stack-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}

.stack-badge:hover,
.stack-badge.active {
  border-color: var(--accent);
  background: var(--bg-card);
  transform: translateY(-2px);
}

.stack-badge.active {
  box-shadow: 0 0 0 1px var(--accent);
}

.stack-badge__icon {
  font-size: 1.8rem;
  line-height: 1;
}

.stack-badge__name {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
}

.stack-badge__count {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* --- Filters --- */
.filters {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(88, 166, 255, 0.1);
}

/* --- Project Cards --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.3s ease forwards;
  opacity: 0;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

.project-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

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

.project-card__status {
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.project-card__status--in-progress {
  background: rgba(210, 153, 34, 0.15);
  color: var(--orange);
}

.project-card__status--completed {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
}

.project-card__status--archived {
  background: rgba(110, 118, 129, 0.15);
  color: var(--text-muted);
}

.project-card__desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 16px;
  flex-grow: 1;
  line-height: 1.5;
}

.project-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.project-card__stack {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  padding: 4px 10px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.project-card__tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.project-card__tag {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(188, 140, 255, 0.1);
  color: var(--purple);
}

.project-card__links {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.project-card__link:hover {
  color: var(--accent);
}

.project-card__link svg {
  width: 14px;
  height: 14px;
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--text-muted);
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state__title {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.empty-state__text {
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0 auto;
  line-height: 1.6;
}

.empty-state__text code {
  background: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
}

/* --- Footer --- */
.footer {
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

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

.footer__text a {
  color: var(--text-secondary);
}

.footer__heart {
  color: var(--red);
}

/* --- Loading --- */
.loading {
  display: flex;
  justify-content: center;
  padding: 60px;
}

.loading__dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  margin: 0 4px;
  animation: bounce 1.4s infinite ease-in-out both;
}

.loading__dot:nth-child(1) {
  animation-delay: -0.32s;
}

.loading__dot:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes bounce {

  0%,
  80%,
  100% {
    transform: scale(0);
  }

  40% {
    transform: scale(1);
  }
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero {
    padding: 50px 0 40px;
  }

  .hero__name {
    font-size: 1.8rem;
  }

  .hero__avatar {
    width: 90px;
    height: 90px;
  }

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

  .stacks {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }

  .section {
    padding: 40px 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero__name {
    font-size: 1.5rem;
  }

  .hero__links {
    flex-direction: column;
    align-items: center;
  }
}