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

:root {
  --blue:       #3B6FE8;
  --blue-dark:  #2d58c8;
  --blue-glow:  rgba(59,111,232,0.14);
  --blue-light: #EFF6FF;
  --dark:       #111827;
  --mid:        #374151;
  --grey:       #6B7280;
  --light-grey: #9CA3AF;
  --light:      #F3F4F6;
  --border:     #E5E7EB;
  --card:       #ffffff;
  --success:    #059669;
  --success-bg: #ECFDF5;
  --success-bd: #A7F3D0;
  --amber:      #D97706;
  --amber-bg:   #FFFBEB;
  --amber-bd:   #FCD34D;
  --error:      #DC2626;
  --error-bg:   #FEF2F2;
  --error-bd:   #FECACA;
  --radius:     10px;
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.05);
  --shadow:     0 1px 3px rgba(0,0,0,0.07), 0 4px 16px rgba(0,0,0,0.05);
  --font-ui:    Inter, system-ui, -apple-system, sans-serif;
  --font-doc:   "Times New Roman", Times, Georgia, serif;
}

body {
  background: var(--light);
  color: var(--dark);
  font-family: var(--font-ui);
  min-height: 100vh;
}

/* ── Page ── */
.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 20px 80px;
}

/* ── Nav card ── */
.nav-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-link {
  padding: 6px 14px;
  border-radius: 99px;
  border: 1.5px solid transparent;
  background: none;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--grey);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: all 0.15s;
  white-space: nowrap;
}

.nav-link:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-light);
}

.nav-link--resume {
  border-color: var(--blue);
  color: var(--blue);
}

.nav-link--resume:hover {
  background: var(--blue);
  color: #fff;
}

/* ── Profile header ── */
.profile-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  border-left: 5px solid var(--blue);
  display: flex;
  align-items: center;
  gap: 28px;
}

.profile-photo {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--shadow);
  transition: opacity 0.15s;
}

.profile-photo:hover { opacity: 0.88; }

.profile-info { flex: 1; min-width: 0; }

.profile-name {
  font-family: var(--font-doc);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 4px;
}

.profile-bio {
  font-size: 0.875rem;
  color: var(--grey);
  margin-bottom: 14px;
  line-height: 1.5;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border: 1.5px solid var(--border);
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--grey);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: all 0.15s;
}

.social-link:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-light);
}

.social-link svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ── Section cards ── */
.section-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  border: 1.5px solid var(--border);
}

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--grey);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.section-title-doc {
  font-family: var(--font-doc);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--dark);
  border-left: 4px solid var(--blue);
  padding-left: 14px;
  margin-bottom: 16px;
  line-height: 1.2;
}

/* ── About ── */
.about-text {
  font-size: 0.875rem;
  color: var(--mid);
  line-height: 1.7;
}

.about-text p + p { margin-top: 12px; }

.about-text strong {
  font-weight: 700;
  color: var(--dark);
}

/* ── Focus Areas ── */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}

.focus-item {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--mid);
  background: var(--blue-light);
  border: 1.5px solid rgba(59,111,232,0.2);
  border-radius: var(--radius);
  padding: 10px 14px;
  line-height: 1.4;
  transition: all 0.15s;
}

.focus-item:hover {
  border-color: var(--blue);
  color: var(--blue);
}

@media (max-width: 640px) {
  .focus-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 380px) {
  .focus-grid { grid-template-columns: 1fr; }
}

/* ── Skills ── */
.skills-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.skill-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.skill-row-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  min-width: 158px;
  flex-shrink: 0;
  padding-top: 3px;
  line-height: 1.5;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--mid);
  background: var(--light);
  border: 1.5px solid var(--border);
  border-radius: 99px;
  padding: 3px 11px;
  line-height: 1.6;
  transition: all 0.15s;
}

.skill-tag:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-light);
}

/* ── Articles & Projects ── */
.item-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.item {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.item:first-child { border-top: 1px solid var(--border); }

.item-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark);
  text-decoration: none;
  line-height: 1.5;
  display: block;
  transition: color 0.15s;
}

.item-link:hover { color: var(--blue); }

.item-meta {
  font-size: 0.72rem;
  color: var(--light-grey);
  margin-top: 3px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Contact ── */
.contact-text {
  font-size: 0.875rem;
  color: var(--mid);
  margin-bottom: 14px;
  line-height: 1.6;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-doc);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s;
}

.contact-btn:hover {
  background: var(--blue-dark);
  box-shadow: 0 4px 14px rgba(59,111,232,0.3);
}

/* ── Footer ── */
.footer {
  text-align: center;
  padding: 28px 0 0;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--light-grey);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer a {
  color: var(--grey);
  text-decoration: none;
  transition: color 0.15s;
}

.footer a:hover { color: var(--blue); }

/* ── Responsive ── */
@media (max-width: 640px) {
  .page { padding: 14px 12px 60px; }

  .profile-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
  }

  .section-card { padding: 18px 16px; }

  .skill-row {
    flex-direction: column;
    gap: 6px;
  }

  .skill-row-label { min-width: auto; }

  .nav-card { padding: 12px 14px; }
}

@media (max-width: 380px) {
  .profile-photo { width: 72px; height: 72px; }
}