/**
 * components.css
 * Reusable UI components: Navbar, Buttons, Cards, Badges, Hero Profile, Project Showcase, Sports Gallery, Contact Hub
 */

/* ═══════════════════════════════════════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: var(--z-navbar);
  transition: background var(--transition-base), border-color var(--transition-base);
  padding-top: env(safe-area-inset-top, 0);
}

.navbar.scrolled {
  background: rgba(8, 13, 23, 0.96);
  border-color: var(--border-color-hover);
}

.nav-container {
  max-width: var(--container-xl);
  height: 100%;
  margin-inline: auto;
  padding-inline: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

/* Logo */
.nav-logo {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.nav-logo .logo-bracket {
  color: var(--color-primary);
}

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

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Language Switcher */
.lang-switch-wrap {
  display: flex;
  align-items: center;
}

.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  min-height: 38px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.lang-toggle-btn:hover {
  border-color: var(--border-color-hover);
  background: rgba(255, 255, 255, 0.08);
}

.lang-toggle-btn .lang-code {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.lang-toggle-btn .lang-code.active {
  color: var(--color-primary);
  font-weight: var(--font-bold);
}

.lang-toggle-btn .lang-sep {
  color: var(--border-color-hover);
  user-select: none;
}

/* Mobile Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 44px;
  height: 44px;
  padding: 13px 10px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
  transform-origin: center;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
  width: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.nav-mobile {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  max-height: calc(100vh - var(--nav-height));
  overflow-y: auto;
  background: rgba(8, 13, 23, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-lg) var(--space-md);
  padding-bottom: calc(var(--space-2xl) + env(safe-area-inset-bottom, 0));
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  transform: translateY(-120%);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
  z-index: calc(var(--z-navbar) - 1);
  pointer-events: none;
}

.nav-mobile.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.nav-mobile .nav-link {
  font-size: var(--text-base);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  min-height: 48px;
}

.nav-mobile .nav-link:last-child {
  border-bottom: none;
}

.nav-mobile .btn {
  margin-top: var(--space-md);
  width: 100%;
  justify-content: center;
  min-height: 48px;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.6875rem 1.5rem;
  min-height: 44px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  -webkit-user-select: none;
  user-select: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

/* Primary */
.btn-primary {
  background: var(--color-primary);
  color: var(--btn-primary-text);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-glow-primary);
}

/* Secondary / Outline */
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--border-color-accent);
}

.btn-secondary:hover {
  background: rgba(56, 189, 248, 0.06);
  border-color: var(--color-primary);
}

/* Sizes */
.btn-sm {
  padding: 0.4rem 0.875rem;
  min-height: 38px;
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.875rem 2rem;
  min-height: 48px;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   HERO PROFILE CARD (profile.png)
═══════════════════════════════════════════════════════════════════════════════ */
.profile-card-frame {
  background: rgba(17, 28, 47, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 35px rgba(56, 189, 248, 0.12);
  width: 100%;
  max-width: 420px;
  margin-inline: auto;
  position: relative;
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.profile-card-frame:hover {
  border-color: rgba(56, 189, 248, 0.45);
  transform: translateY(-3px);
}

.profile-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(15, 23, 42, 0.9);
  border-bottom: 1px solid var(--border-color);
}

.profile-tag-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: var(--font-semibold);
  letter-spacing: 0.05em;
}

.profile-img-container {
  position: relative;
  aspect-ratio: 4 / 5;
  width: 100%;
  background: var(--bg-secondary);
  overflow: hidden;
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform var(--transition-slow);
}

.profile-card-frame:hover .profile-img {
  transform: scale(1.02);
}

.profile-overlay-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 13, 23, 0.8) 0%, rgba(8, 13, 23, 0.1) 40%, transparent 100%);
  pointer-events: none;
}

.profile-floating-info {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: flex-start;
  z-index: 2;
}

.profile-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(8, 13, 23, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.profile-chip .chip-dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  box-shadow: 0 0 8px var(--color-primary);
}

.profile-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.95);
  border-top: 1px solid var(--border-color);
}

.profile-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.profile-stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.profile-stat-val {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.profile-stat-divider {
  width: 1px;
  height: 24px;
  background: var(--border-color);
}

/* ═══════════════════════════════════════════════════════════════════════════════
   ABOUT CLEAN LAYOUT
═══════════════════════════════════════════════════════════════════════════════ */
.about-grid-clean {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.career-objective-box {
  padding: var(--space-lg);
  background: rgba(56, 189, 248, 0.04);
  border: 1px solid var(--border-color-accent);
  border-radius: var(--radius-md);
  margin-top: var(--space-lg);
}

.objective-header {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-sm);
}

.about-highlights-card {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.card-header-badge {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-sm);
}

.mono-badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.05em;
}

.quick-facts-vertical {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.about-quote-box {
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.quote-text {
  font-size: var(--text-xs);
  font-style: italic;
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ═══════════════════════════════════════════════════════════════════════════════
   FEATURED PROJECT SHOWCASE (duAn.png)
═══════════════════════════════════════════════════════════════════════════════ */
.project-card-featured {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.project-card-featured:hover {
  border-color: var(--border-color-accent);
  box-shadow: var(--shadow-xl), 0 0 25px rgba(56, 189, 248, 0.08);
  transform: translateY(-2px);
}

.project-showcase-image {
  position: relative;
  overflow: hidden;
  background: var(--bg-secondary);
  aspect-ratio: 16 / 9;
  min-height: 280px;
}

.project-main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform var(--transition-slow);
}

.project-card-featured:hover .project-main-img {
  transform: scale(1.03);
}

.project-overlay-actions {
  position: absolute;
  inset: 0;
  background: rgba(8, 13, 23, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card-featured:hover .project-overlay-actions {
  opacity: 1;
}

.project-content-featured {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.project-tag-client {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-success);
}

.project-name-featured {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.project-description-featured {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-md);
}

.project-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: var(--space-md);
}

.feature-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.feature-chip svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.project-actions-featured {
  margin-top: var(--space-md);
  display: flex;
  gap: var(--space-sm);
}

/* ═══════════════════════════════════════════════════════════════════════════════
   SPORTS GALLERY (Clean 4-Card Responsive Grid)
═══════════════════════════════════════════════════════════════════════════════ */
.sports-story-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: rgba(56, 189, 248, 0.03);
  border: 1px solid var(--border-color-accent);
  margin-bottom: var(--space-2xl);
}

.sports-story-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.sports-story-text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.sports-gallery-heading {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

/* 4-Card Sports Grid */
.sports-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.sports-photo-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.sports-photo-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-accent);
  box-shadow: var(--shadow-lg);
}

.sports-photo-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--bg-secondary);
}

.sports-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform var(--transition-slow);
}

/* Individual Image Alignment Tuning */
.sports-photo-1 { object-position: center top; }
.sports-photo-2 { object-position: center center; }
.sports-photo-3 { object-position: center center; }
.sports-photo-4 { object-position: top center; }

.sports-photo-card:hover .sports-photo-img {
  transform: scale(1.04);
}

.sports-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 13, 23, 0.92) 0%, rgba(8, 13, 23, 0.3) 45%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-md);
  pointer-events: none;
}

.sports-tag-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 8px;
  background: rgba(56, 189, 248, 0.2);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-primary);
  margin-bottom: 4px;
}

.sports-photo-caption {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: #FFFFFF;
  line-height: var(--leading-normal);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

/* Lifestyle Split Grid */
.lifestyle-split-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-lg);
}

.interests-grid-compact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.interest-item-compact {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--space-md) var(--space-xs);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-align: center;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   DIRECT CONTACT HUB (Recruiter Contact Channels)
═══════════════════════════════════════════════════════════════════════════════ */
.contact-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.contact-hub-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.contact-hub-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-accent);
  box-shadow: var(--shadow-xl), 0 0 25px rgba(56, 189, 248, 0.08);
}

.contact-hub-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  flex-shrink: 0;
}

.contact-hub-icon.phone  { background: rgba(56, 189, 248, 0.1); color: var(--color-primary); }
.contact-hub-icon.email  { background: rgba(99, 102, 241, 0.1); color: var(--_indigo-400); }
.contact-hub-icon.github { background: rgba(255, 255, 255, 0.06); color: var(--text-primary); }

.contact-hub-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--space-lg);
  flex: 1;
}

.contact-hub-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.contact-hub-val {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: 6px;
  word-break: break-word;
}

.contact-hub-desc {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
}

.contact-hub-btn {
  width: 100%;
  justify-content: center;
  min-height: 44px;
}

/* CV Download Banner Card */
.cv-banner-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(56, 189, 248, 0.3);
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(17, 28, 47, 0.9) 100%);
  gap: var(--space-xl);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(56, 189, 248, 0.08);
}

.cv-banner-content {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.cv-banner-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.cv-banner-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}

.cv-banner-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: 4px;
}

.cv-banner-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
  max-width: 600px;
}

.cv-banner-action {
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   TERMINAL WIDGET, BADGES, CARDS & UTILITIES (Preserved)
═══════════════════════════════════════════════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  border: 1px solid;
  white-space: nowrap;
}

.badge-dev {
  background: var(--badge-dev-bg);
  color: var(--badge-dev-text);
  border-color: var(--badge-dev-border);
}

.badge-it {
  background: var(--badge-it-bg);
  color: var(--badge-it-text);
  border-color: var(--badge-it-border);
}

.badge-hw {
  background: var(--badge-hw-bg);
  color: var(--badge-hw-text);
  border-color: var(--badge-hw-border);
}

.badge-mono {
  font-family: var(--font-mono);
  font-size: 11px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.tag:hover {
  color: var(--color-primary);
  border-color: var(--border-color-accent);
  background: rgba(56, 189, 248, 0.04);
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  border-color: var(--card-border-hover);
}

.card-hoverable:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
}

.terminal-dot.red   { background: #FF5F57; }
.terminal-dot.yellow { background: #FFBD2E; }
.terminal-dot.green { background: #28C840; }

.cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--color-primary);
  vertical-align: middle;
  animation: blink 1.2s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.expertise-card {
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transition: opacity var(--transition-base);
  opacity: 0.7;
}

.expertise-card.dev::before { background: var(--color-primary); }
.expertise-card.it::before  { background: var(--color-accent); }
.expertise-card.hw::before  { background: var(--color-success); }
.expertise-card:hover::before { opacity: 1; }

.expertise-number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.expertise-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  flex-shrink: 0;
}

.expertise-icon.dev { background: rgba(56, 189, 248, 0.1); color: var(--color-primary); }
.expertise-icon.it  { background: rgba(99, 102, 241, 0.1); color: var(--_indigo-400); }
.expertise-icon.hw  { background: rgba(74, 222, 128, 0.1); color: var(--color-success); }
.expertise-icon svg { width: 22px; height: 22px; }

.expertise-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.expertise-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.expertise-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.expertise-item::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: var(--radius-full);
  background: var(--text-muted);
  flex-shrink: 0;
}

.repo-card {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.repo-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
}

.repo-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  font-family: var(--font-mono);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.repo-name:hover {
  color: var(--text-primary);
}

.repo-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.repo-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: auto;
}

.repo-stat {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.repo-stat svg { width: 13px; height: 13px; }

.repo-lang {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.lang-dot {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.timeline {
  position: relative;
  padding-left: var(--space-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-xl);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-xl) - 5px);
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.5);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}

.timeline-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: 4px;
}

.timeline-subtitle {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-sm);
}

.timeline-body {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-color);
  padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom, 0));
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-text {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
}

.footer-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-primary);
  border-color: var(--border-color-accent);
  background: rgba(56, 189, 248, 0.06);
}

.footer-link svg { width: 18px; height: 18px; }

.availability-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-success);
  font-family: var(--font-mono);
}

.availability-dot {
  width: 6px;
  height: 6px;
  background: var(--color-success);
  border-radius: var(--radius-full);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.style-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
}

.style-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  opacity: 0.6;
}

.it-checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.it-check-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.it-check-icon {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.it-check-icon svg { width: 10px; height: 10px; color: var(--color-success); }

.soft-skill-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.soft-skill-item svg { width: 16px; height: 16px; color: var(--color-accent); }

.quick-fact {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.quick-fact-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
}

.quick-fact-icon svg { width: 18px; height: 18px; }

.quick-fact-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--font-medium);
  margin-bottom: 2px;
}

.quick-fact-value {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}