/* =============================================
   PORTFOLIO.CSS — Ilario Scandurra
   Dark palette, Bootstrap 4 overrides
   ============================================= */

/* ---------- Reset / Base ---------- */
:root {
  --bg-primary:   #0d1117;
  --bg-secondary: #161b22;
  --bg-card:      #21262d;
  --accent:       #58a6ff;
  --accent-green: #3fb950;
  --accent-orange:#f0883e;
  --text-primary: #e6edf3;
  --text-muted:   #a8b1ba;
  --border:       #30363d;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Open Sans', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
}

/* ---------- Navbar ---------- */
.portfolio-nav {
  background-color: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.portfolio-nav .navbar-brand {
  font-family: 'Saira Extra Condensed', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent) !important;
  letter-spacing: 0.05em;
}

.portfolio-nav .nav-link {
  color: var(--text-muted) !important;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.portfolio-nav .nav-link:hover {
  color: var(--text-primary) !important;
}

.portfolio-nav .nav-link:focus-visible {
  color: var(--text-primary) !important;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.navbar-toggler {
  border-color: var(--border);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(139,148,158,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ---------- Section helpers ---------- */
.section {
  padding: 5rem 0;
}

.section-alt {
  background-color: var(--bg-secondary);
}

.section-title {
  font-family: 'Saira Extra Condensed', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.section-divider {
  width: 3rem;
  height: 3px;
  background-color: var(--accent);
  border: none;
  margin: 0 0 2.5rem 0;
}

/* ---------- Hero ---------- */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--bg-primary);
  padding-top: 80px;
}

.hero-name {
  font-family: 'Saira Extra Condensed', sans-serif;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.hero-name span {
  color: var(--accent);
}

.hero-role {
  font-family: 'Saira Extra Condensed', sans-serif;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero-bio {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.btn-accent {
  background-color: var(--accent);
  color: #0d1117;
  border: none;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.65rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  display: inline-block;
  transition: background-color 0.2s, transform 0.1s;
}

.btn-accent:hover {
  background-color: #79c0ff;
  color: #0d1117;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-accent:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn-outline-accent {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.65rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  display: inline-block;
  transition: background-color 0.2s, color 0.2s, transform 0.1s;
}

.btn-outline-accent:hover {
  background-color: var(--accent);
  color: #0d1117;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-outline-accent:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Skills / Badges ---------- */
.skill-category {
  margin-bottom: 1.75rem;
}

.skill-category-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.badge-lang {
  background-color: rgba(88, 166, 255, 0.15);
  color: #79c0ff;
  border: 1px solid rgba(88, 166, 255, 0.4);
}

.badge-framework {
  background-color: rgba(63, 185, 80, 0.15);
  color: #56d364;
  border: 1px solid rgba(63, 185, 80, 0.4);
}

.badge-tool {
  background-color: rgba(139, 148, 158, 0.15);
  color: #8b949e;
  border: 1px solid rgba(139, 148, 158, 0.4);
}

.badge-backend {
  background-color: rgba(240, 136, 62, 0.15);
  color: #ffa657;
  border: 1px solid rgba(240, 136, 62, 0.4);
}

.badge-soft {
  background-color: rgba(188, 140, 255, 0.15);
  color: #d2a8ff;
  border: 1px solid rgba(188, 140, 255, 0.4);
}

.skill-badge {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0.2rem 0.2rem 0.2rem 0;
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.4rem;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--accent);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 0 2px var(--accent);
}

.timeline-company {
  font-family: 'Saira Extra Condensed', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.timeline-role {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.timeline-period {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

.timeline-body {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

.timeline-body ul {
  padding-left: 1.2rem;
  margin-bottom: 0;
}

.timeline-body li {
  margin-bottom: 0.3rem;
}

/* ---------- Education ---------- */
.edu-item {
  border-left: 2px solid var(--border);
  padding-left: 1.25rem;
  margin-bottom: 1.75rem;
}

.edu-item:hover {
  border-left-color: var(--accent);
  transition: border-color 0.2s;
}

.edu-degree {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.edu-school {
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 600;
}

.edu-period {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ---------- Certifications ---------- */
.cert-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cert-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.cert-list li::before {
  content: '✓ ';
  color: var(--accent-green);
  font-weight: 700;
}

.cert-list li:last-child {
  border-bottom: none;
}

/* ---------- Contact ---------- */
#contact {
  background-color: var(--bg-secondary);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  transition: color 0.2s;
}

.contact-link:hover {
  color: var(--accent);
  text-decoration: none;
}

.contact-link:focus-visible {
  color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.contact-icon {
  font-size: 1.25rem;
  width: 1.5rem;
  text-align: center;
}

/* ---------- QR Code ---------- */
.qr-wrapper {
  text-align: center;
}

.qr-wrapper p {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.qr-wrapper img {
  border-radius: 8px;
  border: 1px solid var(--border);
  max-width: 160px;
}

/* ---------- Project Cards ---------- */
.project-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  height: 100%;
  transition: border-color 0.2s, transform 0.15s;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  gap: 1rem;
}

.project-name {
  font-family: 'Saira Extra Condensed', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  line-height: 1.2;
}

.project-tagline {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-top: 0.15rem;
}

.project-links {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.project-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.project-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.project-description {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
footer {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 767.98px) {
  .section { padding: 3rem 0; }
  #hero { padding-top: 72px; min-height: auto; padding-bottom: 3rem; }
  .timeline { padding-left: 1.5rem; }
  .timeline-item::before { left: -1.9rem; }
}

/* ---------- Project Detail Link (on index.html card) ---------- */
.project-card-footer {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.project-detail-link {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

.project-detail-link:hover {
  color: #79c0ff;
  text-decoration: none;
}

.project-detail-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- Hero Banner (detail page) ---------- */
.hero-banner {
  position: relative;
  overflow: hidden;
  min-height: 60vh;
  background-color: var(--bg-primary);
  margin-top: 56px;
  display: flex;
  align-items: center;
}

.hero-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

.hero-banner-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(13, 17, 23, 0.5) 0%,
    rgba(13, 17, 23, 0.6) 50%,
    rgba(13, 17, 23, 0.95) 100%
  );
}

.hero-banner-content {
  position: relative;
  z-index: 2;
  padding: 2.5rem 0;
  width: 100%;
}

.hero-banner-title {
  font-family: 'Saira Extra Condensed', sans-serif;
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.hero-banner-subtitle {
  font-family: 'Saira Extra Condensed', sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* ---------- Feature Grid (detail page) ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
}

.feature-icon {
  font-size: 1.75rem;
  line-height: 1;
  margin-bottom: 0.6rem;
  display: block;
}

.feature-name {
  font-family: 'Saira Extra Condensed', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.feature-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ---------- Screenshot Gallery (detail page) ---------- */
.screenshot-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.screenshot-gallery img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  object-fit: contain;
  background-color: var(--bg-card);
  display: block;
}

/* ---------- Back Link (detail page navbar) ---------- */
.nav-back-link {
  color: var(--text-muted) !important;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  transition: color 0.2s;
  text-decoration: none;
}

.nav-back-link:hover {
  color: var(--text-primary) !important;
  text-decoration: none;
}

.nav-back-link:focus-visible {
  color: var(--text-primary) !important;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- Responsive additions ---------- */
@media (max-width: 991.98px) {
  .hero-banner { min-height: 45vh; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .screenshot-gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 575.98px) {
  .hero-banner { min-height: 35vh; margin-top: 52px; }
  .feature-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  .screenshot-gallery { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
}