/* ========== CSS Custom Properties ========== */
:root {
  --color-bg: #0a0a0f;
  --color-surface: #12121a;
  --color-surface-hover: #1a1a24;
  --color-border: #222230;
  --color-border-glow: rgba(59, 130, 246, 0.3);
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;

  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-accent: #10b981;
  --color-accent-hover: #059669;

  --color-gradient-start: #3b82f6;
  --color-gradient-end: #8b5cf6;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --max-width: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: var(--color-primary);
  transition: color 0.2s ease;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-text);
  line-height: 1.2;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-2xl) 0;
}

/* ========== Common UI Components ========== */
.section-badge {
  display: inline-block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(59, 130, 246, 0.1);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
  border-radius: var(--radius-full);
}

.btn-sm:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-hire {
  font-size: 0.9rem;
  padding: 0.6rem 1.4rem;
  background: var(--color-primary);
  color: #fff !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  border: none;
  box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
  transition: all 0.3s ease;
}

.btn-hire:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(59, 130, 246, 0.4);
  background: var(--color-primary-hover);
  color: #fff;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  color: #fff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
  color: #fff;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-glow);
  transform: translateY(-2px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.8rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  margin: 0.2rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.tag:hover {
  border-color: rgba(59, 130, 246, 0.3);
  background: rgba(59, 130, 246, 0.05);
}

.tag-icon {
  color: var(--color-primary);
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ========== Header & Nav ========== */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  width: 45px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-links a:not(.btn-sm) {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:not(.btn-sm):hover {
  color: var(--color-text);
}

.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1001;
  /* Stay above the menu */
  transition: color 0.3s ease;
}

.mobile-nav-toggle:hover {
  color: var(--color-primary);
}

/* ========== Hero ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}

.hero-icons {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-icon {
  position: absolute;
  opacity: 0.10;
  filter: invert(1);
  animation: float 6s ease-in-out infinite;
}

/* Example positions for icons */
.icon-python {
  top: 40%;
  left: 10%;
  width: 50px;
  animation-delay: 0s;
}

.icon-ml {
  top: 20%;
  right: 15%;
  width: 80px;
  animation-delay: 2s;
}

.icon-code {
  top: 80%;
  left: 25%;
  width: 75px;
  animation-delay: 1.5s;
}

@keyframes float {
  0% {
    transform: translateY(0px) rotate(0deg);
  }

  50% {
    transform: translateY(-20px) rotate(5deg);
  }

  100% {
    transform: translateY(0px) rotate(0deg);
  }
}

.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(10, 10, 15, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

.bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: 20px 20px;
  background-image: radial-gradient(#404040 1px, transparent 1px);
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  z-index: -2;
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
  text-align: center;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
  font-weight: 700;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* ========== About ========== */
.about {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 3fr 2fr;
  }
}

.about-text p {
  font-size: 1.1rem;
}

.education {
  margin-top: 2rem;
}

.education-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}

.education-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.education-header strong {
  font-size: 1.05rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.highlight-icon {
  color: var(--color-primary);
}

.education-location {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.education-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.education-degree {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.education-date {
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(16, 185, 129, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.about-image img {
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--color-border);
  filter: grayscale(0%) contrast(100%);
}

/* ========== Skills Section ========== */
.skills {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.skills .system-title {
  margin-bottom: var(--space-xl);
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.skill-category h4 {
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.skill-category .stack-tags {
  margin-top: 0;
}

.system-title {
  font-size: 2rem;
  margin-bottom: var(--space-xl);
}

.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* ========== Projects Header & Filters ========== */
.projects {
  position: relative;
  overflow: hidden;
}

.projects-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.projects-header h2 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.project-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: var(--space-xl);
}

.filter-btn {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(59, 130, 246, 0.4);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--color-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
}

/* ========== Projects Grid ========== */
.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: transform 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-border-glow);
}

.project-card h4 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.project-detail {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 0.8rem;
}

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

.project-detail.highlight {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-accent);
}

.project-detail.highlight strong {
  color: var(--color-accent);
}

.project-card .card-footer {
  margin-top: auto;
  padding-top: 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.category-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(59, 130, 246, 0.15);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== Experience Section ========== */
.experience {
  padding: var(--space-2xl) 0;
}

/* Asymmetric split layout */
.exp-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-xl);
  align-items: start;
}

/* ---- LEFT TRACK ---- */
.exp-track {
  position: sticky;
  top: 6rem;
  padding-top: 0.5rem;
}

.exp-track-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: -2rem;
  width: 2px;
  background: rgba(255, 255, 255, 0.06);
  transform: translateX(-50%);
  border-radius: 2px;
  overflow: hidden;
  z-index: 0;
}

.exp-track-fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-gradient-end));
  border-radius: 2px;
  transition: height 0.1s linear;
}

.exp-date-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  z-index: 1;
  margin-bottom: 4rem;
  opacity: 0.4;
  transition: opacity 0.4s ease;
}

.exp-date-node.active {
  opacity: 1;
}

.exp-node-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: border-color 0.4s ease, box-shadow 0.4s ease, background 0.4s ease;
}

.exp-date-node.active .exp-node-dot {
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2), 0 0 14px rgba(59, 130, 246, 0.5);
  animation: nodePulse 2s ease-in-out infinite;
}

@keyframes nodePulse {

  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2), 0 0 14px rgba(59, 130, 246, 0.5);
  }

  50% {
    box-shadow: 0 0 0 8px rgba(59, 130, 246, 0.05), 0 0 20px rgba(59, 130, 246, 0.7);
  }
}

.exp-node-year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-align: center;
  white-space: nowrap;
  transition: color 0.4s ease;
}

.exp-date-node.active .exp-node-year {
  color: var(--color-primary);
}

/* ---- RIGHT CARDS ---- */
.exp-cards-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Entrance animation: cards start hidden, slide in on scroll */
.exp-card {
  background: rgba(18, 18, 26, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
    border-color 0.35s ease,
    box-shadow 0.35s ease;
  /* Initial state for entrance animation */
  opacity: 0;
  transform: translateY(30px);
}

.exp-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.55s cubic-bezier(0.25, 0.8, 0.25, 1),
    transform 0.55s cubic-bezier(0.25, 0.8, 0.25, 1),
    border-color 0.35s ease,
    box-shadow 0.35s ease;
}

.exp-card:hover {
  transform: translateY(-3px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.3);
}

/* --- Card Header --- */
.exp-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.exp-card-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.exp-role-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  line-height: 1.3;
}

.exp-role-sub {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.exp-company {
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.exp-card-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
}

.exp-dates {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--color-accent);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.15);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.exp-loc {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* --- Bullets --- */
.exp-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.exp-bullets-visible {
  margin-bottom: 0;
}

.exp-bullets li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.7;
}

.exp-bullets li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 0.05rem;
  color: var(--color-primary);
  font-size: 0.85rem;
  opacity: 0.75;
}

.exp-bullet-label {
  display: block;
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: 0.25rem;
}

.exp-bullets li strong {
  color: var(--color-text);
  font-weight: 600;
}


/* --- Progressive Disclosure --- */
.exp-bullets-extra {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.25, 0.8, 0.25, 1),
    opacity 0.4s ease,
    margin-top 0.3s ease;
  opacity: 0;
  margin-top: 0;
}

.exp-bullets-extra.expanded {
  max-height: 600px;
  opacity: 1;
  margin-top: 1rem;
}

.exp-bullets-extra .exp-bullets {
  padding-top: 0;
}

.exp-expand-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  margin-top: 1rem;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  font-family: var(--font-sans);
}

.exp-expand-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--color-primary);
}

.exp-expand-icon {
  font-size: 1rem;
  line-height: 1;
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: inline-block;
}

.exp-expand-btn[aria-expanded="true"] .exp-expand-icon {
  transform: rotate(45deg);
}

.exp-expand-btn[aria-expanded="true"] {
  color: var(--color-text-muted);
  border-color: rgba(255, 255, 255, 0.1);
}

/* --- Tech Pill Tags --- */
.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding-top: 1.25rem;
  margin-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.exp-pill {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  cursor: default;
}

.exp-pill:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--color-text);
}

/* ========== Leadership & Community Compact List ========== */
.leadership-list {
  margin-top: var(--space-xl);
  padding: var(--space-lg) var(--space-lg);
  background: rgba(255, 255, 255, 0.018);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  position: relative;
}

/* Subtle accent top-border to visually separate from job cards */
.leadership-list::before {
  content: '';
  position: absolute;
  top: 0;
  left: var(--space-lg);
  right: var(--space-lg);
  height: 1px;
  background: linear-gradient(90deg,
      transparent,
      rgba(59, 130, 246, 0.35) 30%,
      rgba(139, 92, 246, 0.35) 70%,
      transparent);
}

.leadership-list-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-md);
}

.leadership-list-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

/* Hairline divider after the label */
.leadership-list-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.06);
}

/* List reset */
.leadership-items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.leadership-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem 1.5rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  align-items: start;
}

.leadership-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.leadership-item-main {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.leadership-role {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.leadership-org {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.01em;
}

.leadership-item-sub {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.leadership-dates {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--color-accent);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.12);
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  align-self: flex-start;
  white-space: nowrap;
}

.leadership-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
}

/* Mobile: stack to single column */
@media (max-width: 600px) {
  .leadership-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

/* ---- MOBILE ---- */
@media (max-width: 768px) {
  .exp-layout {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  /* Hide the timeline track — dates are already on each card pill */
  .exp-track {
    display: none;
  }

  .exp-card-header {
    flex-direction: column;
  }

  .exp-card-info {
    align-items: flex-start;
  }
}

/* ========== Contact ========== */
.contact {
  text-align: center;
  background: linear-gradient(0deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.contact-container h2 {
  font-size: 2rem;
  max-width: 600px;
  margin: 0 auto 1rem auto;
}

/* ========== Footer ========== */
.footer {
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}


@media (max-width: 600px) {
  .hero-actions {
    flex-direction: column;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 999;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s ease-in-out, opacity 0.4s ease-in-out;
  }

  .nav-links.nav-active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a:not(.btn-sm) {
    font-size: 1.5rem;
    font-weight: 600;
  }
}

/* ========== Hero Writing Pills ========== */
.hero-writing {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.hero-writing-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}

.hero-writing-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.writing-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  transition: all 0.25s ease;
  cursor: pointer;
  text-decoration: none;
}

.writing-pill:hover {
  color: var(--color-text);
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 0 14px rgba(59, 130, 246, 0.15);
  transform: translateY(-2px);
}

.writing-pill--substack:hover {
  background: rgba(255, 109, 0, 0.08);
  border-color: rgba(255, 109, 0, 0.4);
  box-shadow: 0 0 14px rgba(255, 109, 0, 0.15);
}

.writing-pill-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ========== Writing & Publications Section ========== */
.writing {
  padding: var(--space-2xl) 0;
  text-align: center;
}

.writing-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto var(--space-xl) auto;
}


.writing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  max-width: 820px;
  margin: 0 auto;
}

.writing-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: rgba(18, 18, 26, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text);
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1),
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.writing-card:hover {
  transform: translateY(-5px) scale(1.02);
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.14),
    0 2px 8px rgba(0, 0, 0, 0.3);
  color: var(--color-text);
}

.writing-card:hover .writing-card-cta {
  opacity: 1;
  color: var(--color-primary);
}

/* Substack card hover glow */
.writing-card:last-child:hover {
  border-color: rgba(255, 109, 0, 0.35);
  box-shadow: 0 8px 32px rgba(255, 109, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.writing-card:last-child:hover .writing-card-cta {
  color: #ff6d00;
}

.writing-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.writing-card-icon svg {
  width: 26px;
  height: 26px;
}

.writing-card-icon--medium {
  background: rgba(59, 130, 246, 0.12);
  color: var(--color-primary);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.writing-card-icon--substack {
  background: rgba(255, 109, 0, 0.12);
  color: #ff6d00;
  border: 1px solid rgba(255, 109, 0, 0.2);
}

.writing-card-body {
  flex: 1;
}

.writing-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}

.writing-card-desc {
  font-size: 0.93rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 0;
}

.writing-card-cta {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  opacity: 0.7;
  transition: color 0.25s ease, opacity 0.25s ease;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ========== Footer (upgraded) ========== */
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-social-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.25s ease;
  font-size: 1rem;
  text-decoration: none;
}

.footer-social-link:hover {
  color: var(--color-text);
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.2);
  transform: translateY(-2px);
}

.footer-social-link--medium:hover {
  color: var(--color-primary);
}

.footer-social-link--substack:hover {
  background: rgba(255, 109, 0, 0.1);
  border-color: rgba(255, 109, 0, 0.4);
  box-shadow: 0 0 12px rgba(255, 109, 0, 0.2);
  color: #ff6d00;
}

/* Tooltip via data-attribute */
.footer-social-link::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: rgba(18, 18, 26, 0.95);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.footer-social-link:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 600px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .writing-cards {
    grid-template-columns: 1fr;
  }

  .hero-writing-links {
    flex-direction: column;
    align-items: center;
  }
}

/* ========== Terminal Contact Block ========== */
.terminal {
  width: 100%;
  max-width: 520px;
  margin: var(--space-lg) auto var(--space-md) auto;
  background: rgba(10, 10, 16, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-md);
  box-shadow:
    0 0 0 1px rgba(59, 130, 246, 0.08),
    0 0 28px rgba(59, 130, 246, 0.08),
    0 8px 32px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  text-align: left;
}

/* --- Header bar --- */
.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  flex-shrink: 0;
}

.terminal-dot--red {
  background: #ff5f57;
}

.terminal-dot--yellow {
  background: #febc2e;
}

.terminal-dot--green {
  background: #28c840;
}

.terminal-title {
  margin-left: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: rgba(148, 163, 184, 0.5);
  letter-spacing: 0.04em;
  flex: 1;
  text-align: center;
}

/* --- Body --- */
.terminal-body {
  padding: 1.1rem 1.4rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.terminal-line {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  display: flex;
  align-items: baseline;
  gap: 0;
  margin: 0;
  color: var(--color-text);
}

.terminal-output {
  padding-left: 1.3rem;
}

.terminal-prompt {
  color: var(--color-primary);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.terminal-cmd {
  color: var(--color-text);
  font-weight: 500;
}

.terminal-key {
  min-width: 5.5rem;
  display: inline-block;
  color: rgba(148, 163, 184, 0.65);
  font-size: 0.8rem;
  text-transform: lowercase;
  letter-spacing: 0.02em;
}

.terminal-sep {
  color: rgba(255, 255, 255, 0.15);
  font-size: 0.8rem;
}

.terminal-value {
  color: #cbd5e1;
}

.terminal-value--accent {
  color: var(--color-accent);
  font-weight: 500;
}

.terminal-email {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.terminal-email:hover {
  color: #34d399;
  text-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

/* --- Blinking cursor --- */
.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 1rem;
  background: var(--color-primary);
  border-radius: 1px;
  margin-left: 0.3rem;
  vertical-align: middle;
  opacity: 1;
  animation: cursor-blink 1.1s step-start infinite;
}

@keyframes cursor-blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

@media (max-width: 600px) {
  .terminal {
    max-width: 100%;
  }

  .terminal-body {
    padding: 0.9rem 1rem 1rem;
  }

  .terminal-line {
    font-size: 0.8rem;
  }

  .terminal-key {
    min-width: 4.5rem;
  }
}