/* ==========================================================================
   Lahiru Sandaruwan - DevOps Engineer Portfolio
   Design System: Modern Minimalist, Technical, Cloud & Platform Vibe
   ========================================================================== */

:root {
  /* Color Palette - Dark (Default) */
  --bg-base: #090d16;
  --bg-surface: #0f1523;
  --bg-surface-elevated: #161f33;
  --bg-surface-subtle: #1c263d;
  --bg-hover: #22304d;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-accent: rgba(16, 185, 129, 0.3);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #090d16;

  /* DevOps Accent Colors */
  --accent-primary: #10b981; /* Terminal / Cloud Emerald */
  --accent-primary-hover: #059669;
  --accent-subtle: rgba(16, 185, 129, 0.1);
  --accent-text: #34d399;
  --accent-cyan: #38bdf8;
  --accent-amber: #f59e0b;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, Menlo, Monaco, monospace;

  /* Spacing */
  --container-max: 1120px;
  --section-spacing: 96px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;

  /* Transitions & Shadows */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px -5px rgba(16, 185, 129, 0.15);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-surface-subtle: #e2e8f0;
  --bg-hover: #cbd5e1;

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.14);
  --border-accent: rgba(16, 185, 129, 0.4);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --accent-primary: #059669;
  --accent-primary-hover: #047857;
  --accent-subtle: rgba(5, 150, 105, 0.08);
  --accent-text: #065f46;
  --accent-cyan: #0284c7;

  --shadow-subtle: 0 4px 16px -2px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 16px -4px rgba(16, 185, 129, 0.12);
}

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

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* Subtle Technical Grid Background */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(16, 185, 129, 0.03) 0%, transparent 60%),
    linear-gradient(to right, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-subtle) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  opacity: 0.5;
  pointer-events: none;
  z-index: -1;
}

/* Selection */
::selection {
  background-color: var(--accent-subtle);
  color: var(--accent-text);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-surface-elevated);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-medium);
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: var(--section-spacing);
  padding-bottom: var(--section-spacing);
  position: relative;
}

.section-border {
  border-top: 1px solid var(--border-subtle);
}

/* Section Header */
.section-header {
  margin-bottom: 48px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-text);
  margin-bottom: 12px;
}

.section-eyebrow::before {
  content: "//";
  color: var(--text-muted);
}

.section-title {
  font-size: 2rem;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 680px;
}

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

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(9, 13, 22, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

[data-theme="light"] .header {
  background-color: rgba(248, 250, 252, 0.85);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-monogram {
  width: 38px;
  height: 38px;
  background-color: var(--bg-surface-elevated);
  border: 1.5px solid var(--border-medium);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-text);
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

.brand-monogram img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
}

.brand-role {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-primary);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  padding-top: 140px;
  padding-bottom: 72px;
}

.status-badge-wrapper {
  display: inline-flex;
  align-items: center;
  margin-bottom: 24px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  position: relative;
}

.status-dot::after {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 50%;
  border: 1px solid var(--accent-primary);
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}

.hero-name {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.hero-role-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
}

.hero-role {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--accent-text);
  letter-spacing: -0.02em;
}

.hero-tech-stack {
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.hero-tech-stack span {
  color: var(--border-medium);
}

.hero-description {
  font-size: 1.1875rem;
  line-height: 1.68;
  color: var(--text-secondary);
  max-width: 760px;
  margin-bottom: 28px;
}

.hero-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-bottom: 36px;
  padding: 14px 18px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-meta-item svg {
  color: var(--text-muted);
  flex-shrink: 0;
}

.hero-meta-divider {
  width: 1px;
  height: 16px;
  background-color: var(--border-subtle);
}

.hero-meta-link {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.hero-meta-link:hover {
  color: var(--accent-text);
  text-decoration: underline;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  font-family: var(--font-sans);
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--text-inverse);
}

.btn-primary:hover {
  background-color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

[data-theme="light"] .btn-primary:hover {
  background-color: #000000;
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-text);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-outline:hover {
  background-color: var(--bg-surface);
  border-color: var(--border-medium);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
}

/* ==========================================================================
   Metrics Section (Verified CV Data)
   ========================================================================== */

.metrics-section {
  padding-top: 36px;
  padding-bottom: 56px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.metric-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

.metric-value.highlight-green {
  color: var(--accent-text);
}

.metric-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 6px;
}

.metric-description {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ==========================================================================
   Professional Summary / About
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

.about-text-content {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.about-text-content p {
  margin-bottom: 20px;
}

.about-highlight-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-top: 24px;
}

.about-highlight-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-text);
  margin-bottom: 8px;
}

.about-sidebar-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
}

.about-spec-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

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

.spec-key {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

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

/* ==========================================================================
   Core Expertise (Categorized)
   ========================================================================== */

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.expertise-category-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.expertise-category-card:hover {
  border-color: var(--border-medium);
  background-color: var(--bg-surface-elevated);
}

.expertise-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.expertise-card-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-text);
}

.expertise-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.skills-pill-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.skill-pill:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
  background-color: var(--accent-subtle);
}

/* ==========================================================================
   Engineering Capabilities ("WHAT I BUILD & OPERATE")
   ========================================================================== */

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.capability-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition-fast);
  position: relative;
}

.capability-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-subtle);
}

.capability-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: inline-block;
}

.capability-title {
  font-size: 1.1875rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.capability-summary {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   DevOps Workflow (Plan -> Code -> Operate)
   ========================================================================== */

.workflow-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}

.workflow-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.workflow-step-card {
  position: relative;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color var(--transition-fast);
}

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

.step-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--accent-text);
  background-color: var(--accent-subtle);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.step-arrow {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.step-title {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.step-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 14px;
}

.step-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-subtle);
}

.tool-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  background-color: var(--bg-surface-subtle);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Professional Experience
   ========================================================================== */

.experience-wrap {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.experience-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}

.experience-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.experience-role-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.experience-company-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.company-name {
  font-weight: 600;
  color: var(--accent-text);
}

.experience-period {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  background-color: var(--bg-surface-elevated);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.experience-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.experience-bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.bullet-indicator {
  margin-top: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  flex-shrink: 0;
}

.experience-bullet-item strong {
  color: var(--text-primary);
}

/* ==========================================================================
   Certifications & Education
   ========================================================================== */

.cert-edu-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 32px;
}

.cert-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cert-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: all var(--transition-fast);
}

.cert-card:hover {
  border-color: var(--border-accent);
  background-color: var(--bg-surface-elevated);
}

.cert-main {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cert-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-subtle);
  color: var(--accent-text);
  border: 1px solid var(--border-accent);
  white-space: nowrap;
}

.cert-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.cert-issuer {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.cert-type {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.education-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.edu-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.edu-institution {
  font-size: 0.875rem;
  color: var(--accent-text);
  margin-bottom: 4px;
}

.edu-period {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Career Focus ("INTERESTED IN")
   ========================================================================== */

.focus-tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 12px;
}

.focus-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.focus-tag::before {
  content: "#";
  color: var(--accent-text);
}

.focus-tag:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
  background-color: var(--bg-surface-elevated);
}

/* ==========================================================================
   Contact Section ("Let's Connect")
   ========================================================================== */

.contact-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-cyan), transparent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.contact-info-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.contact-info-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 520px;
}

.contact-direct-channels {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-channel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.contact-channel-item:hover {
  border-color: var(--border-medium);
}

.channel-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.channel-left svg {
  color: var(--accent-text);
  flex-shrink: 0;
}

.channel-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.channel-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.copy-btn {
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background-color: var(--bg-surface-subtle);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.contact-cta-panel {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.terminal-prompt {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-text);
  margin-bottom: 20px;
  display: inline-block;
  background-color: var(--bg-base);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

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

.footer {
  padding-top: 48px;
  padding-bottom: 48px;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-base);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}

.footer-name {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-role {
  font-size: 0.875rem;
  color: var(--accent-text);
  font-weight: 500;
}

.footer-stack {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ==========================================================================
   Toast Notification (for Clipboard copy feedback)
   ========================================================================== */

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-accent);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  box-shadow: var(--shadow-subtle);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1000;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all var(--transition-normal);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   CV Modal (Accessible Preview & Print View)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.active {
  display: flex;
}

.modal-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  max-width: 860px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-surface-elevated);
}

.modal-title {
  font-size: 1rem;
  font-weight: 600;
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 4px;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 32px;
  overflow-y: auto;
  font-size: 0.9375rem;
  line-height: 1.6;
}

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

@media (max-width: 1024px) {
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .expertise-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .workflow-timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid, .cert-edu-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-spacing: 64px;
  }

  .hero-section {
    padding-top: 110px;
  }

  .hero-name {
    font-size: 2.5rem;
  }

  .hero-role {
    font-size: 1.375rem;
  }

  .hero-tech-stack {
    font-size: 0.9375rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
  }

  .nav-links.show {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .workflow-timeline {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 28px 20px;
  }
}

@media (max-width: 480px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-name {
    font-size: 2rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }
}

/* ==========================================================================
   Print Styles (Optimized for Clean Executive Resume / PDF Export)
   ========================================================================== */

@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 11pt;
  }

  body::before, .header, .nav-actions, .hero-actions, .theme-toggle, .mobile-menu-btn, .copy-btn, .modal-backdrop, .toast {
    display: none !important;
  }

  .container {
    max-width: 100% !important;
    padding: 0 !important;
  }

  .section {
    padding-top: 16px !important;
    padding-bottom: 16px !important;
    page-break-inside: avoid;
  }

  .hero-section {
    padding-top: 0 !important;
  }

  .hero-name {
    font-size: 20pt !important;
    color: #000000 !important;
  }

  .metric-card, .expertise-category-card, .experience-card, .capability-card, .cert-card, .education-card, .contact-card {
    border: 1px solid #cccccc !important;
    background: transparent !important;
    box-shadow: none !important;
  }

  .skill-pill, .tool-tag, .focus-tag {
    border: 1px solid #cccccc !important;
    background: transparent !important;
    color: #333333 !important;
  }
}