/*
 * Personal Portfolio Styles (Aakrit Pahadi) - Clean White Theme
 */

/* --- HERO SECTION --- */
.hero-section {
  padding: 5rem 0 4rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 3rem;
}

.hero-text-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-heading {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-heading);
}

.hero-role-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-muted);
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-profile-img {
  width: 280px;
  height: 280px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  border: 3px solid #0f172a;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  transition: transform var(--transition-slow);
}

.hero-profile-img:hover {
  transform: translateY(-4px);
}

/* --- SECTION COMMON --- */
.page-section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  margin-bottom: 2.5rem;
}

.section-title-tag {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--text-muted);
  margin-top: 0.4rem;
  font-size: 1.05rem;
}

/* --- ABOUT SECTION --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

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

.about-details-list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.5rem;
  list-style: none;
}

.about-details-list dt {
  font-weight: 700;
  color: var(--text-muted);
}

.about-details-list dd {
  color: var(--text-main);
  word-break: break-word;
}

/* --- SKILLS SECTION --- */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  background-color: #0f172a;
  border-color: #0f172a;
  color: #ffffff;
}

/* --- PROJECTS SECTION --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.project-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: #0f172a;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 0.5rem;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.tech-badge {
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--bg-surface);
  color: var(--text-main);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.project-links {
  display: flex;
  gap: 1rem;
}

/* --- GITHUB SECTION --- */
.github-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: var(--shadow-sm);
}

.github-info h3 {
  font-size: 1.5rem;
  color: var(--text-heading);
  margin-bottom: 0.5rem;
}

.github-info p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* --- AAKRIT CHESS SECTION (STRICT MINMAX(0, 1FR) FIXED GRID UNIFORM CELL SIZING) --- */
.chess-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 2.5rem;
  align-items: start;
  box-shadow: var(--shadow-sm);
}

.chess-board-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 460px;
}

/* Strictly fixed 460px x 460px grid with minmax(0, 1fr) tracks */
.chess-board {
  width: 460px;
  height: 460px;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  grid-template-rows: repeat(8, minmax(0, 1fr));
  border: 4px solid #0f172a;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  user-select: none;
  background-color: #0f172a;
  box-sizing: border-box;
}

.square {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  line-height: 1;
  cursor: pointer;
  user-select: none;
  position: relative;
  box-sizing: border-box;
  overflow: hidden;
}

/* High contrast Light vs Dark Squares */
.square.light {
  background-color: #f0d9b5;
}

.square.dark {
  background-color: #b58863;
}

.square.selected {
  background-color: #769656 !important;
}

.square.highlight-move::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background-color: rgba(20, 83, 45, 0.7);
  border-radius: 50%;
  pointer-events: none;
}

.square.highlight-capture::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 4px solid #ef4444;
  box-sizing: border-box;
  background: rgba(239, 68, 68, 0.25);
  pointer-events: none;
}

.chess-controls-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  height: 100%;
}

.chess-difficulty-selector {
  display: flex;
  gap: 0.5rem;
}

.btn-difficulty {
  flex: 1;
  padding: 0.6rem;
  font-size: 0.9rem;
  font-weight: 700;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-difficulty.active {
  background-color: #0f172a;
  color: #ffffff;
  border-color: #0f172a;
}

.chess-status-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
}

.captured-pieces {
  display: flex;
  gap: 0.3rem;
  font-size: 1.4rem;
  min-height: 36px;
  align-items: center;
  background: var(--bg-surface);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

/* --- CONTACT SECTION --- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.contact-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast);
}

.contact-card:hover {
  border-color: #0f172a;
}

.contact-icon {
  font-size: 1.8rem;
  color: #0f172a;
}

.contact-details h4 {
  color: var(--text-heading);
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.contact-details p {
  color: var(--text-muted);
  font-size: 0.95rem;
}