/* ==========================================================================
   Design System & Theme Tokens - Marcin Celejewski IT
   ========================================================================== */

:root {
  /* Color Palette - Dark Theme (Default) */
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  --bg-accent-subtle: rgba(16, 185, 129, 0.12);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0a0e17;

  --accent-primary: #10b981;       /* Emerald */
  --accent-primary-hover: #059669;
  --accent-secondary: #06b6d4;     /* Cyan */
  --accent-secondary-hover: #0891b2;
  --accent-gradient: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --card-gradient: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);

  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(16, 185, 129, 0.4);
  --border-subtle: rgba(255, 255, 255, 0.04);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(16, 185, 129, 0.25);

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

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, Monaco, monospace;

  --header-height: 72px;
  --container-max: 1200px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-accent-subtle: rgba(16, 185, 129, 0.1);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #f8fafc;

  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-hover: rgba(16, 185, 129, 0.5);
  --border-subtle: rgba(0, 0, 0, 0.04);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 30px rgba(16, 185, 129, 0.15);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-secondary);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

img, svg {
  max-width: 100%;
  display: block;
}

.mono {
  font-family: var(--font-mono);
}

.hidden {
  display: none !important;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
}

.brand-symbol {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 0.25rem 0.5rem;
  background-color: var(--bg-accent-subtle);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.brand-text {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--accent-gradient);
  color: #042f2e;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--border-subtle);
}

.nav-cta {
  background: var(--bg-accent-subtle);
  color: var(--accent-primary) !important;
  border: 1px solid var(--border-color-hover);
  font-weight: 600;
}

.nav-cta:hover {
  background: var(--accent-primary) !important;
  color: #ffffff !important;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--border-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 1.1rem;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

[data-theme="dark"] .sun-icon {
  display: block;
}
[data-theme="dark"] .moon-icon {
  display: none;
}
[data-theme="light"] .sun-icon {
  display: none;
}
[data-theme="light"] .moon-icon {
  display: block;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: var(--border-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.hamburger-bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ==========================================================================
   Hero Section & Digital Business Card
   ========================================================================== */

.hero-section {
  position: relative;
  padding: 4.5rem 0 3.5rem;
  background: radial-gradient(circle at 10% 20%, rgba(16, 185, 129, 0.06) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 40%);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--bg-accent-subtle);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-primary);
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  font-size: clamp(2.2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #042f2e;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.45);
  color: #042f2e;
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  color: var(--text-primary);
}

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

.btn-ghost:hover {
  color: var(--accent-primary);
  border-color: var(--border-color-hover);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.stat-card {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.825rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Virtual Business Card Component */
.hero-card-wrapper {
  perspective: 1000px;
}

.business-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.business-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
}

.card-glow {
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--accent-gradient);
  border-radius: calc(var(--radius-lg) + 2px);
  z-index: -1;
  opacity: 0.15;
  filter: blur(8px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.card-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.card-chip {
  width: 38px;
  height: 28px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border-radius: 4px;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-chip::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(0,0,0,0.25);
}

.card-company-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card-subheading {
  font-size: 0.775rem;
  color: var(--text-muted);
}

.card-qr-icon {
  color: var(--accent-primary);
  opacity: 0.8;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.card-field {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.card-field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--border-subtle);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.card-field-row .card-field {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

.field-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.field-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

.mini-copy-btn {
  padding: 0.25rem 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.mini-copy-btn:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.card-footer {
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--bg-accent-subtle);
  color: var(--accent-primary);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* ==========================================================================
   Sections Common Styling
   ========================================================================== */

.section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-header.text-center {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-badge {
  display: inline-block;
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--bg-accent-subtle);
  color: var(--accent-primary);
  border: 1px solid rgba(16, 185, 129, 0.3);
  margin-bottom: 0.85rem;
}

.badge-accent {
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-secondary);
  border-color: rgba(6, 182, 212, 0.3);
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
}

.about-badge-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-badge-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gradient);
}

.badge-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.badge-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.badge-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.badge-divider {
  height: 1px;
  background: var(--border-color);
  margin: 1.25rem 0;
}

.badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.badge-key {
  color: var(--text-muted);
  font-weight: 500;
}

.badge-val {
  color: var(--text-primary);
  font-weight: 600;
}

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

.about-lead {
  font-size: 1.15rem;
  color: var(--text-primary);
  line-height: 1.7;
}

.about-content p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1rem;
}

.highlight-item {
  display: flex;
  gap: 0.85rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.highlight-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.highlight-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.highlight-item p {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 0;
}

/* ==========================================================================
   Services Grid
   ========================================================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-md);
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--bg-accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.service-points {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.service-points li {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-points li::before {
  content: "✓";
  color: var(--accent-primary);
  font-weight: bold;
}

/* ==========================================================================
   Experience Timeline
   ========================================================================== */

.experience-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 19px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-primary) 0%, rgba(6, 182, 212, 0.4) 100%);
}

.timeline-item {
  position: relative;
  padding-left: 3.5rem;
  margin-bottom: 2.5rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
}

.timeline-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--accent-primary);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
  position: absolute;
  left: 0;
  top: 4px;
}

.timeline-date {
  display: none;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.timeline-card:hover {
  border-color: var(--border-color-hover);
  transform: translateX(4px);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.role-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.company-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-top: 0.15rem;
}

.company-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--border-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.current-badge {
  background: var(--bg-accent-subtle);
  color: var(--accent-primary);
  border-color: rgba(16, 185, 129, 0.4);
}

.timeline-summary {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.timeline-details {
  list-style: disc;
  padding-left: 1.25rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.timeline-details li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.timeline-details li strong {
  color: var(--text-primary);
}

.timeline-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
}

.skill-tag {
  font-size: 0.775rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--border-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* ==========================================================================
   Skills & Background
   ========================================================================== */

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.skills-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.skill-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.highlight-card {
  border-color: rgba(16, 185, 129, 0.3);
  background: var(--card-gradient);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.category-icon {
  font-size: 1.35rem;
}

.category-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.skill-name {
  font-weight: 600;
  color: var(--text-primary);
}

.skill-level {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
}

.skill-level.advanced {
  background: var(--bg-accent-subtle);
  color: var(--accent-primary);
}

.skill-level.intermediate {
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-secondary);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  transition: width 1s ease-in-out;
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.cloud-tag {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-md);
  background: var(--border-subtle);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.cloud-tag:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
}

.education-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.edu-period {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-primary);
}

.edu-degree {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.edu-school {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.edu-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 0.5rem;
}

.language-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.lang-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.lang-name {
  font-weight: 600;
  color: var(--text-primary);
}

.lang-badge {
  font-size: 0.775rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--border-subtle);
  color: var(--text-secondary);
}

.soft-traits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.trait-pill {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--bg-accent-subtle);
  color: var(--accent-primary);
}

.interests-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.interest-tag {
  font-size: 0.825rem;
  font-weight: 500;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-md);
  background: var(--border-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* ==========================================================================
   Company Banner Section
   ========================================================================== */

.company-card-banner {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.company-card-banner::after {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.company-banner-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.company-banner-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.business-info-table {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 900px;
}

.info-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  align-items: center;
  padding: 0.85rem 1.25rem;
  background: var(--border-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.info-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

.info-data-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.info-data {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.btn-copy-inline {
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--accent-primary);
  transition: all var(--transition-fast);
}

.btn-copy-inline:hover {
  background: var(--accent-primary);
  color: #ffffff;
}

/* ==========================================================================
   Bot-Protected Contact Section
   ========================================================================== */

.contact-section {
  background: radial-gradient(circle at 50% 0%, rgba(16, 185, 129, 0.08) 0%, transparent 60%);
}

.bot-shield-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-box-wrapper {
  max-width: 860px;
  margin: 0 auto;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.security-notice {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-accent-subtle);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
}

.security-icon {
  font-size: 2rem;
}

.security-text strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.security-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
}

.contact-protected-state {
  text-align: center;
  padding: 2rem 1rem;
}

.btn-reveal {
  background: var(--accent-gradient);
  color: #042f2e;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-reveal:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(16, 185, 129, 0.5);
}

.protected-hint {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.revealed-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.revealed-item-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.item-icon-box {
  font-size: 1.5rem;
}

.item-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.item-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
}

.item-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: auto;
}

.btn-contact-action {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.action-send, .action-call {
  background: var(--accent-primary);
  color: #042f2e;
}

.action-send:hover, .action-call:hover {
  background: var(--accent-primary-hover);
  color: #ffffff;
}

.action-copy {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.action-copy:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.quick-contact-form-card {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.quick-contact-form-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.inquiry-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.btn-submit {
  align-self: flex-start;
  padding: 0.85rem 1.75rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  margin-top: auto;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 2rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.meta-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: var(--border-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Toast Notification System
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--accent-primary);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  pointer-events: auto;
  animation: toast-slide-in 0.3s ease-out, toast-fade-out 0.3s ease-in 2.7s forwards;
}

@keyframes toast-slide-in {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes toast-fade-out {
  from { opacity: 1; }
  to { opacity: 0; transform: translateY(-10px); }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-card-wrapper {
    max-width: 540px;
    margin: 0 auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .info-row {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .info-data-wrapper {
    justify-content: space-between;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .mobile-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    display: none;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
  }

  .main-nav.active {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .nav-link {
    width: 100%;
    display: block;
    text-align: center;
    padding: 0.75rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .about-highlights {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .company-card-banner {
    padding: 1.75rem;
  }

  .contact-card {
    padding: 1.5rem;
  }

  .footer-top, .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .toast-container {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
}