/* ==========================================
   Aura Theme Portfolio - Anjan Jagirdar
   Based on: https://github.com/daltonmenezes/aura-theme
   ========================================== */

/* ==========================================
   CSS Variables - Aura Theme Colors
   ========================================== */

:root {
  /* Aura Dark Theme Colors */
  --aura-purple: #a277ff;
  --aura-green: #61ffca;
  --aura-orange: #ffca85;
  --aura-pink: #f694ff;
  --aura-blue: #82e2ff;
  --aura-red: #ff6767;
  --aura-white: #edecee;
  --aura-gray: #6d6d6d;
  --aura-black: #15141b;
  --aura-selection: #3d375e7f;
  --aura-selection-solid: #29263c;

  /* Semantic Colors - Dark Mode */
  --bg-primary: #15141b;
  --bg-secondary: #1a1921;
  --bg-tertiary: #211f2b;
  --bg-elevated: #29263c;
  --bg-overlay: rgba(21, 20, 27, 0.95);

  --text-primary: #edecee;
  --text-secondary: #a5a3a6;
  --text-tertiary: #6d6d6d;
  --text-accent: #a277ff;

  --border-color: #29263c;
  --border-hover: #3d375e;

  /* Component Colors */
  --accent-primary: #a277ff;
  --accent-secondary: #61ffca;
  --accent-tertiary: #ffca85;
  --accent-gradient-start: #a277ff;
  --accent-gradient-end: #61ffca;

  /* Status Colors */
  --status-success: #61ffca;
  --status-warning: #ffca85;
  --status-error: #ff6767;
  --status-info: #82e2ff;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(162, 119, 255, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;
}

/* Light Mode (Inverted Aura) */
[data-theme="light"] {
  --bg-primary: #fafafa;
  --bg-secondary: #f5f5f5;
  --bg-tertiary: #eeeeee;
  --bg-elevated: #ffffff;
  --bg-overlay: rgba(250, 250, 250, 0.95);

  --text-primary: #15141b;
  --text-secondary: #3d3d3d;
  --text-tertiary: #6d6d6d;
  --text-accent: #7c4dff;

  --border-color: #e0e0e0;
  --border-hover: #d0d0d0;

  --accent-primary: #7c4dff;
  --accent-secondary: #00c896;
  --accent-tertiary: #ff9d2f;
  --accent-gradient-start: #7c4dff;
  --accent-gradient-end: #00c896;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(124, 77, 255, 0.15);
}

/* ==========================================
   Base Styles
   ========================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Skip to content link for accessibility */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--accent-primary);
  color: var(--aura-white);
  padding: var(--space-md) var(--space-lg);
  text-decoration: none;
  font-weight: 600;
  z-index: 1000;
  border-radius: 0 0 var(--radius-md) 0;
  transition: top var(--transition-fast);
}

.skip-to-content:focus {
  top: 0;
  outline: 3px solid var(--accent-secondary);
  outline-offset: 2px;
}

::selection {
  background-color: var(--aura-selection);
  color: var(--aura-white);
}

/* ==========================================
   Focus Styles (Accessibility)
   ========================================== */

/* Remove default outline for mouse users */
*:focus {
  outline: none;
}

/* Add custom outline for keyboard users */
*:focus-visible {
  outline: 3px solid var(--accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Links get cyan outline */
a:focus-visible {
  outline-color: var(--accent-secondary);
  outline-offset: 4px;
}

/* Buttons get purple outline with slight glow */
button:focus-visible {
  outline: 3px solid var(--accent-primary);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px rgba(162, 119, 255, 0.2);
}

/* Input fields get purple outline */
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
  border-color: var(--accent-primary);
}

/* ==========================================
   Theme Toggle
   ========================================== */

.theme-toggle {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 1000;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

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

.theme-toggle:focus-visible {
  outline: 3px solid var(--accent-primary);
  outline-offset: 4px;
  box-shadow: 0 0 0 8px rgba(162, 119, 255, 0.25), var(--shadow-lg);
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.theme-toggle .sun-icon {
  display: none;
}

.theme-toggle .moon-icon {
  display: block;
}

[data-theme="light"] .theme-toggle .sun-icon {
  display: block;
}

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

/* ==========================================
   Back to Top Button
   ========================================== */

.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-lg);
  z-index: 999;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--accent-primary);
  border: none;
  color: var(--aura-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(100px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent-secondary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(162, 119, 255, 0.4);
}

.back-to-top:focus-visible {
  outline: 3px solid var(--accent-secondary);
  outline-offset: 4px;
  box-shadow: 0 0 0 8px rgba(162, 119, 255, 0.3), var(--shadow-lg);
  transform: scale(1.1);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* Mobile: position below theme toggle */
@media (max-width: 768px) {
  .back-to-top {
    bottom: var(--space-lg);
    right: var(--space-md);
    width: 2.5rem;
    height: 2.5rem;
  }

  .back-to-top svg {
    width: 18px;
    height: 18px;
  }
}

/* ==========================================
   Container
   ========================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }
}

/* ==========================================
   Navigation
   ========================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-overlay);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  padding-right: 4rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  font-family: var(--font-mono);
  transition: color var(--transition-fast);
}

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

.text-accent {
  color: var(--accent-primary);
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--accent-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-normal);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a:focus-visible {
  color: var(--accent-primary);
  outline-color: var(--accent-secondary);
  outline-offset: 6px;
}

.nav-links a:focus-visible::after {
  width: 100%;
}

.nav-resume {
  padding: 0.5rem 1rem !important;
  background: var(--accent-primary) !important;
  color: var(--aura-black) !important;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
  margin-right: var(--space-xl);
  white-space: nowrap;
}

.nav-resume:hover {
  background: var(--accent-secondary) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(162, 119, 255, 0.3);
}

.nav-resume::after {
  display: none !important;
}

.nav-resume:focus-visible {
  outline-color: var(--accent-secondary) !important;
  box-shadow: 0 0 0 6px rgba(162, 119, 255, 0.25);
}

/* Nav Theme Toggle (Mobile only) */
.nav-theme-toggle {
  display: none !important;
}

@media (max-width: 1024px) {
  .nav-theme-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: var(--space-md) var(--space-xl);
    padding: 0.5rem 1rem;
    background: var(--accent-secondary);
    color: var(--aura-black);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all var(--transition-fast);
  }

  .nav-theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(97, 255, 202, 0.3);
  }

  .nav-theme-toggle .theme-icon {
    font-size: 1.2rem;
    line-height: 1;
  }

  /* When in light mode, show dark mode colors */
  [data-theme="light"] .nav-theme-toggle {
    background: var(--aura-purple);
    color: var(--aura-white);
  }

  [data-theme="light"] .nav-theme-toggle:hover {
    box-shadow: 0 4px 12px rgba(162, 119, 255, 0.3);
  }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
  position: relative;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
  border-radius: 2px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu-toggle:focus-visible {
  outline: 3px solid var(--accent-primary);
  outline-offset: 4px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
}

/* Medium screens - prevent overlap */
@media (max-width: 1200px) and (min-width: 1025px) {
  .nav-content {
    padding-right: 5rem;
  }

  .nav-resume {
    margin-right: var(--space-2xl);
  }

  .nav-links {
    gap: var(--space-md);
  }
}

/* Mobile/Tablet screens - hamburger menu */
@media (max-width: 1024px) {
  .nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-right: 0;
  }

  .logo {
    flex: 0 0 auto;
  }

  .theme-toggle {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    grid-column: 1 / -1;
    background: var(--bg-overlay);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    gap: 0;
    padding: var(--space-lg) 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 99;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    padding: var(--space-md) var(--space-xl);
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-resume {
    margin: var(--space-md) var(--space-xl);
    margin-right: 0;
    text-align: center;
  }
}

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

.hero {
  padding: var(--space-3xl) 0;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
  width: 100%;
}

.hero-content {
  flex: 1;
  max-width: 650px;
}

.hero-image {
  flex-shrink: 0;
}

.hero-image-wrapper {
  position: relative;
  width: 280px;
  height: 280px;
}

.profile-photo {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--accent-primary);
  box-shadow: 0 8px 32px rgba(162, 119, 255, 0.3);
  transition: all var(--transition-normal);
}

.profile-photo:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 48px rgba(162, 119, 255, 0.4);
}

.hero-image-border {
  position: absolute;
  top: -12px;
  left: -12px;
  right: -12px;
  bottom: -12px;
  border-radius: 50%;
  border: 2px solid var(--accent-secondary);
  opacity: 0.3;
  pointer-events: none;
}

@media (max-width: 968px) {
  .hero-wrapper {
    flex-direction: column-reverse;
    gap: var(--space-2xl);
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-image-wrapper {
    width: 220px;
    height: 220px;
  }

  .hero-badge {
    justify-content: center;
  }

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

  .hero-social {
    justify-content: center;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-lg);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--status-success);
  border-radius: 50%;
  position: relative;
  animation: status-heartbeat 3s ease-in-out infinite;
}

/* Pseudo elements for heart shape */
.status-dot::before,
.status-dot::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--status-success);
  border-radius: 50%;
  pointer-events: none;
}

.status-dot::before {
  animation: heart-top 3s ease-in-out infinite;
}

.status-dot::after {
  animation: heart-right 3s ease-in-out infinite;
}

@keyframes status-heartbeat {
  0%, 30% {
    transform: rotate(0deg) scale(1);
    border-radius: 50%;
  }
  40% {
    transform: rotate(-45deg) scale(1);
    border-radius: 0;
  }
  50% {
    transform: rotate(-45deg) scale(1.2);
    border-radius: 0;
  }
  55% {
    transform: rotate(-45deg) scale(1);
    border-radius: 0;
  }
  60% {
    transform: rotate(-45deg) scale(1.15);
    border-radius: 0;
  }
  65% {
    transform: rotate(-45deg) scale(1);
    border-radius: 0;
  }
  68%, 100% {
    transform: rotate(0deg) scale(1);
    border-radius: 50%;
  }
}

@keyframes heart-top {
  0%, 30% {
    opacity: 0;
    top: 0;
    left: 0;
  }
  40%, 65% {
    opacity: 1;
    top: -4px;
    left: 0;
  }
  68%, 100% {
    opacity: 0;
    top: 0;
    left: 0;
  }
}

@keyframes heart-right {
  0%, 30% {
    opacity: 0;
    top: 0;
    left: 0;
  }
  40%, 65% {
    opacity: 1;
    top: 0;
    left: 4px;
  }
  68%, 100% {
    opacity: 0;
    top: 0;
    left: 0;
  }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 700px;
  line-height: 1.7;
}

.hero-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  position: relative;
}

.hero-link:hover {
  text-decoration: underline;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.hero-social {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  margin-bottom: var(--space-2xl);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
}

.social-link:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--aura-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(162, 119, 255, 0.2);
}

.social-link:focus-visible {
  outline-color: var(--accent-secondary);
  outline-width: 3px;
  outline-offset: 4px;
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--aura-white);
  transform: translateY(-2px);
  box-shadow: 0 0 0 6px rgba(162, 119, 255, 0.25), 0 4px 12px rgba(162, 119, 255, 0.2);
}

.hero-social svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.social-text {
  white-space: nowrap;
}

/* Mobile: icon-only */
@media (max-width: 640px) {
  .social-link {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
  }

  .social-text {
    display: none;
  }
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.stat {
  flex: 1;
  min-width: 120px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

/* ==========================================
   Buttons
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--aura-black);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-primary:focus-visible {
  outline-color: var(--accent-secondary);
  outline-width: 3px;
  outline-offset: 4px;
  box-shadow: 0 0 0 8px rgba(162, 119, 255, 0.3), var(--shadow-glow);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
}

.btn-secondary:focus-visible {
  outline-color: var(--accent-primary);
  outline-width: 3px;
  outline-offset: 4px;
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
  box-shadow: 0 0 0 6px rgba(162, 119, 255, 0.2);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* ==========================================
   Sections
   ========================================== */

section {
  padding: var(--space-3xl) 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-2xl);
  background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.about {
  background: var(--bg-secondary);
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-text {
  width: 100%;
}

.about-intro {
  margin-bottom: var(--space-3xl);
  text-align: center;
}

.lead {
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.5;
  margin: 0;
}

.about-story {
  margin-bottom: var(--space-2xl);
}

.about-heading {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.about-heading::before {
  content: '';
  width: 4px;
  height: 1.5rem;
  background: var(--accent-primary);
  border-radius: 2px;
}

.about-story p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.8;
  font-size: 1.0625rem;
}

.about-story p:last-child {
  margin-bottom: 0;
}

.inline-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.inline-link:hover {
  border-bottom-color: var(--accent-primary);
}

.about-values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
}

.value-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.value-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(162, 119, 255, 0.1);
}

.value-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.value-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--space-xs) 0;
}

.value-content p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.medium-link {
  color: var(--accent-primary);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.medium-link:hover {
  border-bottom-color: var(--accent-primary);
}

/* ==========================================
   Experience Section
   ========================================== */

.experience {
  background: var(--bg-primary);
}

.timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-3xl);
  padding-left: var(--space-xl);
}

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

.timeline-marker {
  position: absolute;
  left: -2.5rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 3px var(--border-color);
  transition: all var(--transition-normal);
}

.timeline-marker::before,
.timeline-marker::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--accent-primary);
  border-radius: 50%;
  transition: all 0.6s ease;
  opacity: 0;
  pointer-events: none;
}

.timeline-content {
  background: var(--bg-secondary);
  padding: var(--space-xl);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

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

.timeline-item:hover .timeline-marker {
  width: 12px;
  height: 12px;
  left: -2.5rem;
  top: 0.5rem;
  transform: rotate(-45deg);
  border-radius: 0 0 0 0;
  border: none;
  animation: timeline-heartbeat 1.4s ease-in-out infinite;
  box-shadow: 0 0 20px rgba(162, 119, 255, 0.4);
  transition: all 0.6s ease;
}

.timeline-item:hover .timeline-marker::before {
  opacity: 1;
  top: -6px;
  left: 0;
  border-radius: 50%;
}

.timeline-item:hover .timeline-marker::after {
  opacity: 1;
  left: 6px;
  top: 0;
  border-radius: 50%;
}

@keyframes timeline-heartbeat {
  0% {
    transform: rotate(-45deg) scale(1);
  }
  20% {
    transform: rotate(-45deg) scale(1.25);
  }
  40% {
    transform: rotate(-45deg) scale(1);
  }
  50% {
    transform: rotate(-45deg) scale(1.2);
  }
  70% {
    transform: rotate(-45deg) scale(1);
  }
  100% {
    transform: rotate(-45deg) scale(1);
  }
}

@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  10% {
    transform: scale(1.1);
  }
  20% {
    transform: scale(1);
  }
  30% {
    transform: scale(1.1);
  }
  40% {
    transform: scale(1);
  }
}

.timeline-header {
  margin-bottom: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.timeline-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.timeline-company {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--accent-primary);
}

.timeline-period {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-description {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.timeline-tags .tag {
  padding: 0.5rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.timeline-tags .tag:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* ==========================================
   Featured Project
   ========================================== */

.featured-project {
  background: var(--bg-secondary);
  padding: var(--space-3xl) 0;
}

.featured-badge {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--aura-black);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.featured-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.featured-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 800px;
  line-height: 1.7;
}

.featured-stats {
  display: flex;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.featured-stat {
  text-align: center;
}

.featured-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: var(--space-xs);
}

.featured-stat-label {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.featured-tags {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.tag {
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.featured-actions {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.featured-highlight {
  padding: var(--space-lg);
  background: var(--bg-elevated);
  border-left: 3px solid var(--accent-primary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 800px;
}

.featured-highlight strong {
  color: var(--accent-primary);
}

/* ==========================================
   Projects Section
   ========================================== */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  align-items: stretch;
}

.project-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

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

.project-card-placeholder {
  border-style: dashed;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
  gap: var(--space-md);
}

.project-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.project-status {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.status-active {
  background: var(--status-success);
  color: var(--aura-black);
}

.status-beta {
  background: var(--status-warning);
  color: var(--aura-black);
}

.status-hiring {
  background: var(--accent-primary);
  color: var(--aura-black);
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
  flex-grow: 0;
}

.project-features {
  margin-bottom: var(--space-lg);
  flex: 1 1 auto;
}

.feature-item {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

.project-tech {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
  margin-top: auto;
}

.project-metrics {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  padding: var(--space-md) 0;
}

.metric-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.metric-item svg {
  color: var(--accent-tertiary);
  flex-shrink: 0;
}

.metric-value {
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.metric-label {
  color: var(--text-tertiary);
}

.tech-tag {
  padding: 0.375rem 0.875rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-weight: 500;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.tech-tag::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(
    45deg,
    var(--accent-primary),
    var(--accent-secondary),
    var(--accent-tertiary),
    var(--accent-primary)
  );
  background-size: 300% 300%;
  border-radius: var(--radius-sm);
  opacity: 0;
  z-index: -1;
  animation: gradientRotate 3s ease infinite;
  transition: opacity var(--transition-fast);
}

.tech-tag:hover {
  transform: translateY(-2px) scale(1.05);
  color: var(--text-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 4px 12px rgba(162, 119, 255, 0.2);
}

.tech-tag:hover::before {
  opacity: 0.15;
}

@keyframes gradientRotate {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.project-highlight {
  padding: var(--space-md);
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--space-md);
}

.project-highlight strong {
  color: var(--accent-primary);
}

.project-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
  margin-top: 0;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--bg-elevated);
  border: 1.5px solid var(--accent-primary);
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.project-link svg {
  width: 16px;
  height: 16px;
  transition: all var(--transition-fast);
}

.project-link:hover {
  background: var(--accent-primary);
  color: var(--aura-black);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(162, 119, 255, 0.3);
}

.project-link:hover svg {
  transform: translateX(2px) translateY(-2px);
}

.project-link:focus-visible {
  outline-color: var(--accent-secondary);
  outline-width: 3px;
  outline-offset: 4px;
  background: var(--accent-primary);
  color: var(--aura-black);
  transform: translateY(-2px);
  box-shadow: 0 0 0 6px rgba(162, 119, 255, 0.2), 0 4px 12px rgba(162, 119, 255, 0.3);
}

.project-link-primary {
  color: var(--accent-secondary);
}

/* Blog CTA Section */
.blog-cta {
  margin-top: var(--space-3xl);
  padding: var(--space-2xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-align: center;
}

.blog-cta h3 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.blog-intro {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
}

.blog-posts {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
  text-align: left;
}

.blog-post-item {
  padding: var(--space-lg);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.blog-post-item:hover {
  border-color: var(--accent-primary);
  transform: translateX(4px);
}

.blog-post-item h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.blog-post-item h4 a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.blog-post-item h4 a:hover {
  color: var(--accent-primary);
}

.blog-post-item p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.blog-meta {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* ==========================================
   Testimonials Section
   ========================================== */

.testimonials {
  padding: var(--space-3xl) 0;
  background: var(--bg-primary);
}

.testimonials .section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.testimonial-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

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

.testimonial-quote {
  position: relative;
}

.quote-icon {
  color: var(--accent-primary);
  opacity: 0.3;
  margin-bottom: var(--space-md);
}

.testimonial-text {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-primary);
  font-style: italic;
  margin: 0;
}

.testimonial-author {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
}

.author-info {
  flex: 1;
}

.author-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--space-xs) 0;
}

.author-title {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin: 0 0 var(--space-xs) 0;
}

.author-relationship {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin: 0;
}

.linkedin-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: #0A66C2;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.linkedin-link:hover {
  background: #0A66C2;
  border-color: #0A66C2;
  color: var(--aura-white);
  transform: scale(1.1);
}

.linkedin-link:focus-visible {
  outline-color: #0A66C2;
  outline-width: 3px;
  outline-offset: 4px;
}

.testimonials-cta {
  text-align: center;
}

@media (max-width: 768px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .testimonial-text {
    font-size: 1rem;
  }
}

/* ==========================================
   Skills Section
   ========================================== */

.skills {
  background: var(--bg-secondary);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.skill-category {
  padding: var(--space-xl);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.skill-category-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--accent-primary);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skill-tag {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.skill-expert {
  background: var(--accent-primary);
  color: var(--aura-black);
  border-color: var(--accent-primary);
}

.skill-advanced {
  background: var(--accent-secondary);
  color: var(--aura-black);
  border-color: var(--accent-secondary);
}

.skill-intermediate {
  background: var(--aura-orange);
  color: var(--aura-black);
  border-color: var(--aura-orange);
}

/* Certifications Section */
#certifications {
  margin-top: var(--space-2xl);
}

.certifications {
  margin-top: 0;
}

.section-subtitle {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2xl);
  padding-top: var(--space-3xl);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.cert-card {
  position: relative;
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--bg-elevated);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.cert-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.cert-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(162, 119, 255, 0.15);
}

.cert-card:hover::before {
  opacity: 1;
}

.cert-card-highlight {
  background: linear-gradient(135deg, var(--bg-elevated) 0%, rgba(162, 119, 255, 0.05) 100%);
  border-color: var(--accent-primary);
}

.cert-card-highlight::before {
  opacity: 1;
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
}

.cert-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  transition: all var(--transition-normal);
}

.cert-card:hover .cert-icon {
  transform: scale(1.1) rotate(5deg);
  border-color: var(--accent-primary);
  box-shadow: 0 4px 12px rgba(162, 119, 255, 0.2);
}

.cert-card-highlight .cert-icon {
  background: var(--accent-primary);
  color: var(--aura-white);
  border-color: var(--accent-primary);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(162, 119, 255, 0.4);
  }
  50% {
    box-shadow: 0 0 20px 8px rgba(162, 119, 255, 0.1);
  }
}

.cert-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.cert-badge {
  display: inline-block;
  width: fit-content;
  padding: 0.25rem 0.75rem;
  background: var(--accent-primary);
  color: var(--aura-white);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-xs);
}

.cert-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.cert-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.cert-date {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  font-weight: 500;
  margin-top: auto;
}

.skills-legend {
  display: flex;
  gap: var(--space-xl);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-2xl);
  padding: var(--space-xl) 0;
  opacity: 0.7;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.legend-dot {
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  animation: legend-heartbeat 3.5s ease-in-out infinite;
}

.legend-dot::before,
.legend-dot::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

/* Expert - Largest (12px) */
.legend-dot.skill-expert {
  width: 12px;
  height: 12px;
  background: var(--accent-primary);
}

.legend-dot.skill-expert::before,
.legend-dot.skill-expert::after {
  width: 12px;
  height: 12px;
  background: var(--accent-primary);
}

.legend-dot.skill-expert::before {
  animation: legend-heart-top-large 3.5s ease-in-out infinite;
}

.legend-dot.skill-expert::after {
  animation: legend-heart-right-large 3.5s ease-in-out infinite;
}

/* Advanced - Medium (10px) */
.legend-dot.skill-advanced {
  width: 10px;
  height: 10px;
  background: var(--accent-secondary);
  animation: legend-heartbeat-no-rotate 3.5s ease-in-out infinite;
}

.legend-dot.skill-advanced::before,
.legend-dot.skill-advanced::after {
  width: 10px;
  height: 10px;
  background: var(--accent-secondary);
}

.legend-dot.skill-advanced::before {
  animation: legend-heart-top-medium 3.5s ease-in-out infinite;
}

.legend-dot.skill-advanced::after {
  animation: legend-heart-right-medium 3.5s ease-in-out infinite;
}

/* Intermediate - Small (8px) */
.legend-dot.skill-intermediate {
  width: 8px;
  height: 8px;
  background: var(--aura-orange);
  animation: legend-heartbeat-counter 3.5s ease-in-out infinite;
}

.legend-dot.skill-intermediate::before,
.legend-dot.skill-intermediate::after {
  width: 8px;
  height: 8px;
  background: var(--aura-orange);
}

.legend-dot.skill-intermediate::before {
  animation: legend-heart-top-small 3.5s ease-in-out infinite;
}

.legend-dot.skill-intermediate::after {
  animation: legend-heart-right-small 3.5s ease-in-out infinite;
}

/* Heart animation - Expert (clockwise rotation) */
@keyframes legend-heartbeat {
  0%, 30% {
    transform: rotate(0deg) scale(1);
    border-radius: 50%;
  }
  40% {
    transform: rotate(-45deg) scale(1);
    border-radius: 0;
  }
  50% {
    transform: rotate(-45deg) scale(1.15);
    border-radius: 0;
  }
  55% {
    transform: rotate(-45deg) scale(1);
    border-radius: 0;
  }
  60% {
    transform: rotate(-45deg) scale(1.1);
    border-radius: 0;
  }
  65% {
    transform: rotate(-45deg) scale(1);
    border-radius: 0;
  }
  68%, 100% {
    transform: rotate(0deg) scale(1);
    border-radius: 50%;
  }
}

/* Advanced - No rotation, upright heart */
@keyframes legend-heartbeat-no-rotate {
  0%, 30% {
    transform: rotate(-45deg) scale(1);
    border-radius: 50%;
  }
  40% {
    transform: rotate(-45deg) scale(1);
    border-radius: 0;
  }
  50% {
    transform: rotate(-45deg) scale(1.2);
    border-radius: 0;
  }
  55% {
    transform: rotate(-45deg) scale(1);
    border-radius: 0;
  }
  60% {
    transform: rotate(-45deg) scale(1.15);
    border-radius: 0;
  }
  65% {
    transform: rotate(-45deg) scale(1);
    border-radius: 0;
  }
  68%, 100% {
    transform: rotate(-45deg) scale(1);
    border-radius: 50%;
  }
}

/* Intermediate - Counter-clockwise (anti-clockwise) rotation */
@keyframes legend-heartbeat-counter {
  0%, 30% {
    transform: rotate(0deg) scale(1);
    border-radius: 50%;
  }
  40% {
    transform: rotate(45deg) scale(1);
    border-radius: 0;
  }
  50% {
    transform: rotate(45deg) scale(1.15);
    border-radius: 0;
  }
  55% {
    transform: rotate(45deg) scale(1);
    border-radius: 0;
  }
  60% {
    transform: rotate(45deg) scale(1.1);
    border-radius: 0;
  }
  65% {
    transform: rotate(45deg) scale(1);
    border-radius: 0;
  }
  68%, 100% {
    transform: rotate(0deg) scale(1);
    border-radius: 50%;
  }
}

/* Large (Expert - 12px) */
@keyframes legend-heart-top-large {
  0%, 30% {
    opacity: 0;
    top: 0;
    left: 0;
  }
  40%, 65% {
    opacity: 1;
    top: -6px;
    left: 0;
  }
  68%, 100% {
    opacity: 0;
    top: 0;
    left: 0;
  }
}

@keyframes legend-heart-right-large {
  0%, 30% {
    opacity: 0;
    top: 0;
    left: 0;
  }
  40%, 65% {
    opacity: 1;
    top: 0;
    left: 6px;
  }
  68%, 100% {
    opacity: 0;
    top: 0;
    left: 0;
  }
}

/* Medium (Advanced - 10px) */
@keyframes legend-heart-top-medium {
  0%, 30% {
    opacity: 0;
    top: 0;
    left: 0;
  }
  40%, 65% {
    opacity: 1;
    top: -5px;
    left: 0;
  }
  68%, 100% {
    opacity: 0;
    top: 0;
    left: 0;
  }
}

@keyframes legend-heart-right-medium {
  0%, 30% {
    opacity: 0;
    top: 0;
    left: 0;
  }
  40%, 65% {
    opacity: 1;
    top: 0;
    left: 5px;
  }
  68%, 100% {
    opacity: 0;
    top: 0;
    left: 0;
  }
}

/* Small (Intermediate - 8px) - Counter-clockwise */
@keyframes legend-heart-top-small {
  0%, 30% {
    opacity: 0;
    top: 0;
    left: 0;
  }
  40%, 65% {
    opacity: 1;
    top: 0;
    left: -4px;
  }
  68%, 100% {
    opacity: 0;
    top: 0;
    left: 0;
  }
}

@keyframes legend-heart-right-small {
  0%, 30% {
    opacity: 0;
    top: 0;
    left: 0;
  }
  40%, 65% {
    opacity: 1;
    top: -4px;
    left: 0;
  }
  68%, 100% {
    opacity: 0;
    top: 0;
    left: 0;
  }
}

/* ==========================================
   Contact Section
   ========================================== */

.contact {
  text-align: center;
}

.contact-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.contact-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-normal);
}

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

.contact-card:focus-visible {
  outline-color: var(--accent-secondary);
  outline-width: 3px;
  outline-offset: 4px;
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: 0 0 0 6px rgba(162, 119, 255, 0.2), var(--shadow-lg);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-align: left;
  margin-bottom: 0.25rem;
}

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

.contact-value.copied {
  color: var(--status-success);
  font-weight: 700;
}

.contact-cta {
  margin-top: var(--space-2xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

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

.footer {
  background: var(--bg-secondary);
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer-text {
  color: var(--text-secondary);
  margin-top: var(--space-md);
  line-height: 1.7;
}

.footer-links {
  display: flex;
  gap: var(--space-3xl);
}

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

.footer-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.footer-column a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer-links {
    flex-direction: column;
    gap: var(--space-xl);
  }
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 768px) {
  .hero {
    padding: var(--space-2xl) 0;
    min-height: auto;
  }

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

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    justify-content: center;
  }

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

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

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

  .timeline {
    padding-left: 1rem;
  }

  .timeline-item {
    padding-left: var(--space-lg);
  }

  .timeline-marker {
    left: -1.5rem;
  }

  .timeline-content {
    padding: var(--space-lg);
  }

  .timeline-title {
    font-size: 1.25rem;
  }

  .timeline-company {
    font-size: 1rem;
  }

  .timeline-header {
    gap: var(--space-xs);
  }

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

  .cert-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .cert-icon {
    width: 56px;
    height: 56px;
  }
}

/* ==========================================
   Accessibility
   ========================================== */

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* ==========================================
   Utility Classes
   ========================================== */

.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: var(--space-2xl);
}

.mb-2 {
  margin-bottom: var(--space-2xl);
}