:root{
  --bg: #F7F6F2;
  --sidebar-bg: #FFFFFF;
  --text-main: #1E2430;
  --text-soft: #5B6472;
  --border: #E8E6DF;
  --accent: #E8A33D;
  --accent-soft: #FCEBD0;
  --card-bg: #FFFFFF;
  --radius: 14px;
  --shadow-sm: 0 2px 8px rgba(30,36,48,0.05);
  --shadow-md: 0 10px 30px rgba(30,36,48,0.08);
}

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

body{
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 100% 0%, rgba(232,163,61,0.08), transparent 45%),
    radial-gradient(circle at 0% 100%, rgba(232,163,61,0.05), transparent 40%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
}

h1, h2, h3{
  font-family: 'Sora', sans-serif;
}

.layout{
  display: flex;
  min-height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
}

/* SIDEBAR */
.sidebar{
  width: 264px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 44px 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.profile{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.avatar-ring{
  position: relative;
  padding: 4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #C97A2E);
}

.avatar{
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2A3140, #1E2430);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: #fff;
  letter-spacing: 1px;
  border: 3px solid var(--sidebar-bg);
  overflow: hidden;
}

.avatar img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

.status-dot{
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #3BB273;
  border: 3px solid var(--sidebar-bg);
}

.profile-name{
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
}

.profile-tag{
  font-size: 0.78rem;
  color: var(--text-soft);
  text-align: center;
  margin-top: -10px;
  font-weight: 500;
}

.toggle-row{
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-toggle, .theme-toggle{
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  gap: 2px;
  opacity: 0.55;
  pointer-events: none;
  user-select: none;
}

.lang-option{
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--text-soft);
}

.lang-option.active{
  background: var(--accent);
  color: #fff;
}

.theme-icon{
  font-size: 0.8rem;
  padding: 4px 7px;
  color: var(--text-soft);
}

.divider{
  height: 1px;
  background: var(--border);
  width: 100%;
}

.nav-menu{
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item{
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 10px;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 500;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.nav-icon{
  font-size: 0.95rem;
  width: 18px;
  text-align: center;
}

.nav-item:hover{
  background: var(--accent-soft);
  color: var(--text-main);
  transform: translateX(2px);
}

.nav-item.active{
  background: var(--text-main);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.nav-item.active .nav-icon{
  color: var(--accent);
}

/* MAIN CONTENT */
.content{
  flex: 1;
  padding: 60px 68px;
  max-width: 880px;
}

.section{ display: none; }
.section.active-section{
  display: block;
  animation: fadeUp 0.45s ease;
}

@keyframes fadeUp{
  from{ opacity: 0; transform: translateY(10px); }
  to{ opacity: 1; transform: translateY(0); }
}

.hello{
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.highlight{
  color: var(--accent);
  position: relative;
}

.role{
  color: var(--text-soft);
  font-size: 1rem;
  margin-bottom: 26px;
  font-weight: 500;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.bio{
  max-width: 700px;
  color: var(--text-main);
  margin-bottom: 16px;
  font-size: 0.98rem;
}

.section-divider{
  height: 1px;
  background: var(--border);
  margin: 32px 0 28px 0;
}

.skills-title{
  font-size: 1.3rem;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skills-title i{
  color: var(--accent);
  font-size: 1.1rem;
}

.skills-subtitle{
  color: var(--text-soft);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.skills-grid{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skill-pill{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.skill-pill i{
  font-size: 0.95rem;
}

.skill-pill:hover{
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.c1{ background:#FDECEC; color:#C0392B; }
.c2{ background:#EAF2FB; color:#2E6DA4; }
.c3{ background:#E9F5EC; color:#2E7D4F; }
.c4{ background:#FBEFE3; color:#B5651D; }
.c5{ background:#FDF3D7; color:#9C7A0A; }
.c6{ background:#F1EBFB; color:#6C3FBF; }
.c7{ background:#E7F0FB; color:#3A5BA0; }
.c8{ background:#E4F5F1; color:#1F8A70; }
.c9{ background:#EDEDED; color:#3D3D3D; }
.c10{ background:#EFEFEF; color:#24292E; }
.c11{ background:#F0E9FB; color:#7B3FE4; }
.c12{ background:#E6F6EF; color:#188A63; }

/* RESPONSIVE */
@media (max-width: 860px){
  .layout{ flex-direction: column; }
  .sidebar{
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
  }
  .profile{ flex-direction: row; align-items: center; gap: 12px; }
  .profile-tag{ display: none; }
  .avatar{ width: 52px; height: 52px; font-size: 1rem; }
  .sidebar{ position: relative; height: auto; }
  .nav-menu{ flex-direction: row; flex-wrap: wrap; width: 100%; margin-top: 16px; }
  .content{ padding: 36px 24px; max-width: 100%; }
}

/* Focus visibility for accessibility */
a:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== ABOUT PAGE ===== */

.page-title{
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.page-title i{
  color: var(--accent);
  font-size: 1.5rem;
}

.page-subtitle{
  color: var(--text-soft);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.section-rule{
  height: 1px;
  background: var(--border);
  margin: 40px 0 32px 0;
}

.block-title{
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.block-title i{
  color: var(--accent);
  font-size: 1.1rem;
}

.block-subtitle{
  color: var(--text-soft);
  font-size: 0.92rem;
  margin-bottom: 20px;
}

/* CAREER / EDUCATION CARD */
.career-card{
  background: #FBFAF7;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  margin-bottom: 18px;
  transition: box-shadow 0.2s ease;
}

.career-card:hover{
  box-shadow: var(--shadow-sm);
}

.career-head{
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.org-logo{
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-soft);
  overflow: hidden;
}

.org-logo img{
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.career-head-text{ flex: 1; min-width: 0; }

.career-role{
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 3px;
}

.role-type{
  font-weight: 500;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.career-org{
  font-size: 0.88rem;
  color: #3D6FB4;
  font-weight: 600;
  margin-bottom: 3px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.tag-remote{
  background: var(--accent-soft);
  color: #9C6A0E;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.career-meta{
  font-size: 0.82rem;
  color: var(--text-soft);
  font-weight: 500;
}

.dot{ color: var(--border); margin: 0 2px; }

/* Details toggle button */
.details-toggle{
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  color: var(--accent);
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  cursor: pointer;
  margin-top: 16px;
  padding: 0;
}

.details-toggle i{
  transition: transform 0.2s ease;
  font-size: 0.75rem;
}

.career-card.expanded .details-toggle i{
  transform: rotate(180deg);
}

/* Expandable details */
.career-details{
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.25s ease, margin-top 0.35s ease;
}

.career-card.expanded .career-details{
  max-height: 900px;
  opacity: 1;
  margin-top: 18px;
}

.details-heading{
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 10px;
}

.details-heading.resp{ color: var(--accent); }
.details-heading.learn{ color: #C9862F; }
.details-heading.impact{ color: #C9862F; }

.check-list{
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.check-list li{
  position: relative;
  padding-left: 22px;
  font-size: 0.88rem;
  color: var(--text-main);
}

.check-list li::before{
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

.details-columns{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.edu-card .career-head{ align-items: center; }
.edu-card{ padding: 20px 24px; }

@media (max-width: 640px){
  .details-columns{ grid-template-columns: 1fr; gap: 12px; }
  .career-head{ flex-direction: column; }
}

/* ===== DISABLED NAV ITEMS (sections not yet built) ===== */
.nav-item.disabled{
  cursor: not-allowed;
  opacity: 0.5;
}

.nav-item.disabled:hover{
  background: none;
  color: var(--text-soft);
  transform: none;
}

.nav-item.disabled .nav-icon{
  color: var(--text-soft);
}