@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ==========================================================================
   CSS CUSTOM PROPERTIES (CLEAN PROFESSIONAL DARK THEME)
   ========================================================================== */
:root {
  /* Dark Surface Tones (Clean Charcoal / Slate) */
  --bg-main: #090d16;
  --bg-surface: #0e1422;
  --bg-surface-hover: #141d30;
  --bg-surface-elevated: #151e33;
  --bg-input: #0a0e18;

  /* Borders & Dividers (Crisp 1px borders) */
  --border-subtle: #192338;
  --border-default: #222f4b;
  --border-hover: #334468;
  --border-focus: #3b82f6;

  /* Typography Colors */
  --text-white: #f8fafc;
  --text-heading: #e2e8f0;
  --text-body: #94a3b8;
  --text-muted: #64748b;
  --text-light: #cbd5e1;

  /* Solid Accent Colors (Engineering focused, no neon/vibe gradients) */
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-subtle: rgba(59, 130, 246, 0.1);
  --primary-border: rgba(59, 130, 246, 0.25);
  
  --emerald: #10b981;
  --emerald-subtle: rgba(16, 185, 129, 0.1);
  --emerald-border: rgba(16, 185, 129, 0.25);

  --amber: #f59e0b;
  --amber-subtle: rgba(245, 158, 11, 0.1);
  --amber-border: rgba(245, 158, 11, 0.25);

  /* Shadows (Clean natural drop shadows, no glowing halos) */
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.45);

  /* Layout & Sizing */
  --header-height: 76px;
  --max-width: 1240px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* ==========================================================================
   BASE & RESET
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  color-scheme: dark;
}

body {
  background-color: var(--bg-main);
  color: var(--text-body);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15.5px;
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-white);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

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

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

::selection {
  background: rgba(59, 130, 246, 0.3);
  color: #fff;
}

/* Subtle background grid (minimal, no glowing blobs) */
.grid-overlay {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* ==========================================================================
   LAYOUT & SHARED STYLES
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 84px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #93c5fd;
  background: var(--primary-subtle);
  border: 1px solid var(--primary-border);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.section-tag i {
  font-size: 0.8125rem;
}

.section-title {
  font-size: clamp(1.85rem, 3.2vw, 2.4rem);
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* Accent text - clean solid color, no rainbow gradients */
.gradient-text {
  color: #60a5fa;
  font-weight: inherit;
}

/* Clean Solid Dark Cards (No spotlight cursor flashlight) */
.glass-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-normal), transform var(--transition-fast);
}

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

/* ==========================================================================
   BUTTONS (CLEAN SOLID COLORS)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn i {
  font-size: 0.875rem;
}

/* Solid Blue Primary Button */
.btn-primary {
  background: var(--primary);
  color: #ffffff;
  border-color: #2563eb;
}

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: #1d4ed8;
  color: #ffffff;
}

/* Dark Surface Secondary Button */
.btn-secondary {
  background: var(--bg-surface-elevated);
  color: var(--text-heading);
  border: 1px solid var(--border-default);
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-hover);
  color: #ffffff;
}

/* Outline Button */
.btn-outline {
  background: transparent;
  color: #93c5fd;
  border: 1px solid var(--border-default);
}

.btn-outline:hover {
  background: var(--primary-subtle);
  border-color: var(--primary-border);
  color: #ffffff;
}

.btn-sm {
  padding: 7px 15px;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  background: rgba(9, 13, 22, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: height var(--transition-normal), border-color var(--transition-normal);
}

.site-header.scrolled {
  height: 66px;
  border-bottom-color: var(--border-default);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

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

/* Clean Brand Logo */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-white);
}

.brand-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  color: #60a5fa;
  font-size: 0.875rem;
  font-weight: 800;
}

.brand-text span {
  color: #60a5fa;
}

/* Desktop Navigation Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 4px 6px;
  border-radius: var(--radius-md);
}

.nav-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-body);
  padding: 6px 13px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-white);
  background: var(--bg-surface-hover);
}

.nav-link.active {
  color: #ffffff;
  background: #1e293b;
  border: 1px solid var(--border-default);
}

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

/* Mobile Toggle Hamburger */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 38px;
  height: 38px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  cursor: pointer;
  gap: 4px;
}

.mobile-toggle span {
  width: 18px;
  height: 2px;
  background-color: var(--text-white);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.mobile-toggle.is-active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.mobile-toggle.is-active span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.is-active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile Menu Drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background: #090d16;
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 32px;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-body);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: #60a5fa;
}

.mobile-drawer-footer {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  min-height: 90vh;
  padding-top: calc(var(--header-height) + 36px);
  padding-bottom: 60px;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

/* Status Badge */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--emerald-subtle);
  border: 1px solid var(--emerald-border);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  color: #34d399;
  margin-bottom: 22px;
}

.status-dot-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--emerald);
}

.hero h1 {
  font-size: clamp(2.35rem, 4.6vw, 3.65rem);
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.hero-typewriter-container {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 20px;
  min-height: 38px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.typewriter-text {
  color: #60a5fa;
  border-bottom: 1px solid rgba(96, 165, 250, 0.4);
  padding-bottom: 1px;
}

.typewriter-cursor {
  display: inline-block;
  color: #60a5fa;
  animation: blinkCursor 0.9s infinite;
}

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

.hero-bio {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 560px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

/* Social Dock */
.social-dock {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-light);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.social-pill:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-hover);
  color: #ffffff;
}

/* Hero Visual Showcase */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.avatar-frame {
  position: relative;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  border-radius: var(--radius-xl);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  overflow: hidden;
}

.avatar-bg-globe {
  display: none; /* Removed for clean aesthetics */
}

.avatar-img {
  width: 88%;
  max-height: 94%;
  object-fit: contain;
  position: relative;
  z-index: 2;
}

/* Clean Floating Badges (Subtle, no neon) */
.floating-badge {
  position: absolute;
  z-index: 3;
  padding: 10px 14px;
  background: #0b111e;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.floating-badge-top {
  top: 10%;
  right: -16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.floating-badge-bottom {
  bottom: 8%;
  left: -16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.badge-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  background: #19253d;
  color: #93c5fd;
  border: 1px solid var(--border-default);
  flex-shrink: 0;
}

.badge-content {
  display: flex;
  flex-direction: column;
}

.badge-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
}

.badge-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-white);
}

.badge-meta {
  font-size: 0.75rem;
  color: #34d399;
  font-weight: 600;
}

/* ==========================================================================
   METRICS / STATS STRIP
   ========================================================================== */
.stats-strip {
  padding: 0 0 50px;
  position: relative;
  z-index: 2;
}

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

.stat-card {
  padding: 22px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  color: #60a5fa;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

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

.stat-number {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-white);
  font-family: 'Plus Jakarta Sans', sans-serif;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================================================
   ABOUT ME SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: stretch;
}

.about-card {
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.about-card h3 {
  font-size: 1.45rem;
  margin-bottom: 16px;
  color: var(--text-white);
}

.about-text {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 20px;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.highlight-item i {
  color: #60a5fa;
  font-size: 1rem;
  margin-top: 3px;
}

.highlight-item strong {
  display: block;
  font-size: 0.875rem;
  color: var(--text-white);
}

.highlight-item span {
  font-size: 0.78125rem;
  color: var(--text-muted);
}

/* Principles Card */
.principles-card {
  padding: 34px;
}

.principles-card h3 {
  font-size: 1.25rem;
  margin-bottom: 20px;
  color: var(--text-white);
}

.principles-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.principle-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.principle-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #93c5fd;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.principle-content h4 {
  font-size: 0.9375rem;
  color: var(--text-white);
  margin-bottom: 2px;
}

.principle-content p {
  font-size: 0.8125rem;
  color: var(--text-body);
  line-height: 1.5;
}

/* ==========================================================================
   FEATURED PROJECTS SECTION
   ========================================================================== */
.projects-filter {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 38px;
}

.filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-body);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-white);
  border-color: var(--border-hover);
}

.filter-btn.active {
  background: #1e293b;
  color: #ffffff;
  border-color: #3b82f6;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px;
}

.project-card.is-hidden {
  display: none !important;
}

.project-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.project-icon-box {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  color: #60a5fa;
}

.project-badge-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.71875rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.badge-live {
  background: var(--emerald-subtle);
  color: #34d399;
  border: 1px solid var(--emerald-border);
}

.badge-dev {
  background: var(--amber-subtle);
  color: #fbbf24;
  border: 1px solid var(--amber-border);
}

.badge-complete {
  background: var(--primary-subtle);
  color: #93c5fd;
  border: 1px solid var(--primary-border);
}

.project-title {
  font-size: 1.2rem;
  color: var(--text-white);
  margin-bottom: 10px;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-body);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
}

.project-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.71875rem;
  color: var(--text-light);
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  padding: 3px 8px;
  border-radius: 4px;
}

.project-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.project-link-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #60a5fa;
}

.project-link-primary:hover {
  color: #93c5fd;
}

.project-link-github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

.project-link-github:hover {
  color: var(--text-white);
}

/* ==========================================================================
   SKILLS & TECH STACK
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.skills-categories {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.skill-category-card {
  padding: 22px;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.category-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  color: #60a5fa;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
}

.category-header h3 {
  font-size: 1rem;
  color: var(--text-white);
}

.skill-pills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-light);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.skill-pill:hover {
  border-color: var(--border-hover);
  color: #ffffff;
}

/* Skill Progress Meters */
.skill-meters-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.skill-meters-card h3 {
  font-size: 1.25rem;
  color: var(--text-white);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-meters-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.meter-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.meter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.meter-name {
  color: var(--text-light);
  font-weight: 500;
}

.meter-percentage {
  font-family: 'JetBrains Mono', monospace;
  color: #60a5fa;
  font-weight: 600;
  font-size: 0.8125rem;
}

.meter-bar-track {
  width: 100%;
  height: 6px;
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  overflow: hidden;
}

.meter-bar-fill {
  height: 100%;
  border-radius: 999px;
  background: #3b82f6;
  width: 0%;
  transition: width 1s ease;
}

/* ==========================================================================
   EXPERIENCE & EDUCATION TIMELINE
   ========================================================================== */
.experience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.timeline-column {
  display: flex;
  flex-direction: column;
}

.timeline-column-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
}

.timeline-column-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  color: #60a5fa;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.timeline-column-header h3 {
  font-size: 1.35rem;
  color: var(--text-white);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  position: relative;
  padding-left: 24px;
}

.timeline-list::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 20px;
  left: 5px;
  width: 2px;
  background: var(--border-default);
}

.timeline-item {
  position: relative;
  padding-bottom: 26px;
}

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

.timeline-bullet {
  position: absolute;
  left: -24px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-main);
  border: 2px solid #3b82f6;
  z-index: 2;
}

.timeline-card {
  padding: 20px;
}

.timeline-date-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.71875rem;
  font-weight: 600;
  color: #93c5fd;
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.timeline-card h4 {
  font-size: 1.05rem;
  color: var(--text-white);
  margin-bottom: 2px;
}

.timeline-company {
  font-size: 0.8125rem;
  color: #60a5fa;
  font-weight: 600;
  margin-bottom: 10px;
}

.timeline-card p {
  font-size: 0.8125rem;
  color: var(--text-body);
  line-height: 1.55;
}

/* ==========================================================================
   ROADMAP SECTION
   ========================================================================== */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.roadmap-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.roadmap-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.roadmap-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  color: #60a5fa;
  font-size: 1rem;
}

.roadmap-status-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.71875rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--primary-subtle);
  color: #93c5fd;
  border: 1px solid var(--primary-border);
}

.roadmap-card h3 {
  font-size: 1.15rem;
  color: var(--text-white);
  margin-bottom: 6px;
}

.roadmap-card p {
  font-size: 0.8125rem;
  color: var(--text-body);
  line-height: 1.55;
  margin-bottom: 18px;
  flex-grow: 1;
}

.roadmap-progress {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.71875rem;
  font-weight: 500;
  color: var(--text-muted);
}

.progress-track {
  width: 100%;
  height: 5px;
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: #3b82f6;
  border-radius: 999px;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: stretch;
}

.contact-info-card {
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-card h3 {
  font-size: 1.5rem;
  color: var(--text-white);
  margin-bottom: 12px;
}

.contact-info-card > p {
  color: var(--text-light);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 26px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 26px;
}

.contact-method-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--bg-main);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

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

.method-details {
  display: flex;
  align-items: center;
  gap: 14px;
}

.method-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  color: #60a5fa;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

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

.method-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
}

.method-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-white);
  word-break: break-all;
}

.copy-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  color: var(--text-light);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: #1e293b;
  color: #ffffff;
}

/* Contact Form */
.contact-form-card {
  padding: 34px;
}

.contact-form-card h3 {
  font-size: 1.35rem;
  color: var(--text-white);
  margin-bottom: 6px;
}

.contact-form-card > p {
  color: var(--text-body);
  font-size: 0.875rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  color: var(--text-white);
  font-size: 0.875rem;
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--border-focus);
}

.form-control::placeholder {
  color: var(--text-muted);
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #060910;
  padding: 50px 0 26px;
  position: relative;
  z-index: 2;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 360px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: 14px;
}

.footer-column h4 {
  font-size: 0.9375rem;
  color: var(--text-white);
  margin-bottom: 16px;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.8125rem;
  color: var(--text-body);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #60a5fa;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.back-to-top-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-light);
  font-weight: 500;
  font-size: 0.8125rem;
  transition: color var(--transition-fast);
  cursor: pointer;
  background: transparent;
  border: none;
}

.back-to-top-btn:hover {
  color: #60a5fa;
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: #0e1422;
  border: 1px solid var(--border-hover);
  border-left: 3px solid var(--emerald);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
  transform: translateY(15px);
  opacity: 0;
  transition: all var(--transition-fast);
}

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

.toast i {
  color: var(--emerald);
  font-size: 1rem;
}

/* ==========================================================================
   SCROLL REVEAL (SUBTLE PURPOSEFUL ENTRANCE)
   ========================================================================== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  will-change: opacity, transform;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 { transition-delay: 80ms; }
.delay-200 { transition-delay: 160ms; }
.delay-300 { transition-delay: 240ms; }

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-bio {
    max-width: 620px;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
    max-width: 340px;
    margin: 0 auto;
  }

  .floating-badge-top {
    right: -8px;
  }

  .floating-badge-bottom {
    left: -8px;
  }

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

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

  .about-grid,
  .skills-grid,
  .experience-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 868px) {
  .nav-links {
    display: none;
  }

  .header-actions .btn-primary {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .section {
    padding: 60px 0;
  }

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

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

@media (max-width: 640px) {
  :root {
    --header-height: 66px;
  }

  .container {
    padding-inline: 18px;
  }

  .section {
    padding: 50px 0;
  }

  .hero {
    padding-top: calc(var(--header-height) + 16px);
    padding-bottom: 40px;
  }

  .hero h1 {
    font-size: 2.15rem;
  }

  .hero-typewriter-container {
    font-size: 1.05rem;
    justify-content: center;
  }

  .avatar-frame {
    max-width: 280px;
  }

  .floating-badge {
    padding: 8px 10px;
  }

  .badge-icon {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
  }

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

  .hero-cta-group .btn {
    width: 100%;
  }

  .projects-grid,
  .stats-grid,
  .form-row,
  .footer-top {
    grid-template-columns: 1fr;
  }

  .about-card,
  .principles-card,
  .contact-info-card,
  .contact-form-card {
    padding: 22px 18px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }

  .contact-method-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .copy-btn {
    width: 100%;
    justify-content: center;
  }

  .toast-container {
    bottom: 14px;
    right: 14px;
    left: 14px;
  }
}