/* 
  Portofolio Web - Mahasiswa Analitika Data Keuangan Sektor Publik PKN STAN
  Aturan: Bebas CDN / Pustaka Luar, Font Sistem, Aksen #0b5fa5, Kontras WCAG AA 
*/

:root {
  --primary: #0b5fa5;
  --primary-hover: #084982;
  --primary-light: #e8f2fa;
  --text-main: #0f172a;
  --text-muted: #334155;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Navigasi / Header Ringkas */
header.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.875rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.brand-badge {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--primary);
  background-color: var(--primary-light);
}

/* Aksesibilitas Fokus Keyboard */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* Layout Kontainer */
main {
  flex: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

section {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

/* Judul Hierarkis */
h1 {
  font-size: 1.85rem;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

h3 {
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

/* Seksi 1: Profil */
.profile-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  align-items: center;
}

.profile-avatar-box {
  text-align: center;
}

.profile-avatar {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--primary-light);
  box-shadow: var(--shadow-md);
}

.profile-intro .role-tag {
  display: inline-block;
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.profile-meta {
  margin: 0.75rem 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.profile-meta span {
  display: inline-block;
  margin-right: 1rem;
}

.profile-bio {
  color: var(--text-muted);
  line-height: 1.65;
  margin-top: 0.75rem;
}

/* Seksi 2: Keahlian */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-category {
  background-color: var(--bg-page);
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.skill-category h3 {
  color: var(--primary);
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.skill-pill {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
}

/* Seksi 3: Proyek */
.project-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  background-color: #ffffff;
}

.project-header {
  margin-bottom: 1.25rem;
}

.project-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.badge {
  background-color: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
}

.project-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  margin-bottom: 1.5rem;
}

.project-image-box {
  display: flex;
  flex-direction: column;
}

.project-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.image-caption {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  text-align: center;
  font-style: italic;
}

.project-details {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.project-details strong {
  color: var(--text-main);
}

/* Angka Hasil Terukur Menonjol */
.metrics-section {
  margin: 1.5rem 0;
  padding: 1.25rem;
  background-color: var(--primary-light);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--primary);
}

.metrics-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
}

.metric-card {
  background-color: #ffffff;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(11, 95, 165, 0.2);
  text-align: center;
}

.metric-card .metric-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
}

.metric-card .metric-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.2rem;
  display: block;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.25rem;
}

/* Tombol dan Interaksi (Minimal 44x44 px) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  min-width: 44px;
  padding: 0.65rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease-in-out;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  border: 1px solid var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-secondary:hover {
  background-color: var(--primary-light);
}

/* Seksi 4: CV */
.cv-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-page);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 1rem;
}

.cv-desc {
  max-width: 600px;
}

.cv-desc p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

/* Seksi 5: Kontak */
.contact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.contact-card {
  flex: 1;
  min-width: 260px;
  background-color: var(--bg-page);
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.contact-card h3 {
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.contact-card a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.contact-card a:hover {
  text-decoration: underline;
}

/* Seksi 6: Penutup & Footer */
footer.site-footer {
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 2rem 1.25rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Responsivitas Layar */
@media (max-width: 820px) {
  .profile-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .profile-avatar-box {
    margin: 0 auto;
  }

  .profile-meta span {
    display: block;
    margin: 0.25rem 0;
  }

  .project-body {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  section {
    padding: 1.25rem;
  }

  .nav-container {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-links {
    justify-content: center;
  }

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

  .cv-box {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}