/* ===== CSS Variables ===== */
:root {
  --bg-primary: #fffbf8;
  --bg-secondary: #fff5f0;
  --bg-tertiary: #ffe8e0;
  --text-primary: #2a1f1f;
  --text-secondary: #6b5a57;
  --text-muted: #9d8b87;
  --accent-primary: #e85d75;
  --accent-secondary: #f5a623;
  --accent-tertiary: #ffb6c1;
  --border-color: rgba(232, 93, 117, 0.25);
  --card-bg: #ffffff;
  --card-shadow: 0 4px 20px rgba(232, 93, 117, 0.15);
  --card-hover-shadow: 0 12px 40px rgba(232, 93, 117, 0.25);
  --nav-bg: rgba(255, 251, 248, 0.95);
  --skill-chip-bg: #fff0f3;
  --skill-chip-text: #d4768a;
  --glow-filter: none;
  --glitch-opacity: 0;
  --transition-theme: 0.3s ease-in-out;
  /* White border glow for cards on hover */
  --card-border-glow: 0 0 30px rgba(255, 255, 255, 0.8), 0 0 60px rgba(232, 93, 117, 0.3);
  /* Light mode particle colors */
  --particle-color-1: #e85d75;
  --particle-color-2: #f5a623;
}

[data-theme="dark"] {
  --bg-primary: #050505;
  --bg-secondary: #0a0a0f;
  --bg-tertiary: #121218;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #6b6b6b;
  --accent-primary: #08fdd8;
  --accent-secondary: #b400ff;
  --accent-tertiary: #ff0080;
  --border-color: rgba(8, 253, 216, 0.3);
  --card-bg: rgba(18, 18, 26, 0.8);
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --card-hover-shadow: 0 0 40px rgba(8, 253, 216, 0.4);
  --nav-bg: rgba(10, 10, 15, 0.95);
  --skill-chip-bg: rgba(8, 253, 216, 0.1);
  --skill-chip-text: #08fdd8;
  --glow-filter: drop-shadow(0 0 20px rgba(8, 253, 216, 0.5));
  --glitch-opacity: 0.8;
  /* White border glow for cards in dark mode */
  --card-border-glow: 0 0 30px rgba(255, 255, 255, 0.6), 0 0 60px rgba(8, 253, 216, 0.4);
  --particle-color-1: #08fdd8;
  --particle-color-2: #b400ff;
}

/* ===== Base Styles ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-theme), color var(--transition-theme);
  overflow-x: hidden;
}

/* ===== Background Effects ===== */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(rgba(232, 164, 184, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 164, 184, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}
[data-theme="dark"] .bg-grid {
  background-image: linear-gradient(rgba(8, 253, 216, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 253, 216, 0.03) 1px, transparent 1px);
}
#particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(8, 253, 216, 0.1) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 0;
  opacity: 0;
}
[data-theme="dark"] .cursor-glow {
  opacity: 1;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all var(--transition-theme);
}
.nav-brand {
  font-family: "JetBrains Mono", monospace;
  font-size: 1.5rem;
  font-weight: 700;
}
.brand-text {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  gap: 30px;
}
.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width 0.3s ease;
}
.nav-links a:hover {
  color: var(--accent-primary);
}
.nav-links a:hover::after {
  width: 100%;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}
.theme-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}
.theme-toggle:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}
.theme-toggle:hover svg {
  stroke: #000;
}
.theme-toggle svg {
  stroke: var(--text-primary);
  transition: stroke 0.3s ease;
}
.sun-icon {
  display: block;
}
.moon-icon {
  display: none;
}
[data-theme="dark"] .sun-icon {
  display: none;
}
[data-theme="dark"] .moon-icon {
  display: block;
}
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}
.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 40px;
  position: relative;
  z-index: 1;
}
.hero-content {
  display: flex;
  align-items: center;
  gap: 60px;
  max-width: 1200px;
  width: 100%;
  /* Shift content to the right */
  padding-left: 40px;
}
.hero-image-container {
  flex-shrink: 0;
}
/* Hero image is rectangle/square, not circle */
.hero-image-wrapper {
  position: relative;
  /* Increased image size to 450px */
  width: 450px;
  height: 450px;
  perspective: 1000px;
}
.hero-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
  transition: opacity var(--transition-theme), transform 0.3s ease;
}
.hero-img-dark {
  opacity: 0;
  filter: var(--glow-filter);
}
.hero-img-light {
  opacity: 1;
  box-shadow: var(--card-shadow);
}
[data-theme="dark"] .hero-img-dark {
  opacity: 1;
}
[data-theme="dark"] .hero-img-light {
  opacity: 0;
}
.image-glow {
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background: radial-gradient(circle at center, rgba(8, 253, 216, 0.2) 0%, transparent 70%);
  border-radius: 30px;
  opacity: 0;
  transition: opacity var(--transition-theme);
  z-index: -1;
}
[data-theme="dark"] .image-glow {
  opacity: 1;
  animation: pulse-glow 3s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%,
  100% {
    opacity: 0.5;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

.hero-text {
  flex: 1;
}
.hero-subtitle {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  color: var(--accent-primary);
  margin-bottom: 12px;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}
.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 1rem 0;
  position: relative;
}
[data-theme="dark"] .hero-title {
  color: var(--accent-primary);
  text-shadow: 0 0 20px rgba(8, 253, 216, 0.5);
}

.glitch-text {
  position: relative;
  display: inline-block;
  color: var(--text-primary);
}
[data-theme="dark"] .glitch-text {
  color: var(--accent-primary);
  animation: glitch-animation 2s infinite;
}
[data-theme="dark"] .glitch-text::before,
[data-theme="dark"] .glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.8;
}
[data-theme="dark"] .glitch-text::before {
  color: var(--accent-secondary);
  animation: glitch-1 0.3s infinite;
  clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
}
[data-theme="dark"] .glitch-text::after {
  color: var(--accent-tertiary);
  animation: glitch-2 0.3s infinite;
  clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
}
@keyframes glitch-animation {
  0%,
  90%,
  100% {
    transform: translate(0);
  }
  92% {
    transform: translate(-2px, 2px);
  }
  94% {
    transform: translate(2px, -2px);
  }
  96% {
    transform: translate(-2px, -2px);
  }
  98% {
    transform: translate(2px, 2px);
  }
}
@keyframes glitch-1 {
  0%,
  100% {
    transform: translate(0);
  }
  20% {
    transform: translate(-3px, 3px);
  }
  40% {
    transform: translate(3px, -3px);
  }
  60% {
    transform: translate(-3px, -3px);
  }
  80% {
    transform: translate(3px, 3px);
  }
}
@keyframes glitch-2 {
  0%,
  100% {
    transform: translate(0);
  }
  20% {
    transform: translate(3px, -3px);
  }
  40% {
    transform: translate(-3px, 3px);
  }
  60% {
    transform: translate(3px, 3px);
  }
  80% {
    transform: translate(-3px, -3px);
  }
}

.hero-typing-roles {
  font-family: "JetBrains Mono", monospace;
  font-size: 1rem;
  color: var(--accent-primary);
  margin-bottom: 20px;
  min-height: 30px;
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.25s forwards;
}
.typing-prefix {
  color: var(--accent-secondary);
}
.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--accent-primary);
  margin-left: 2px;
  animation: cursor-blink 0.8s infinite;
  vertical-align: text-bottom;
}
@keyframes cursor-blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

.hero-role {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.3s forwards;
}
.role-badge {
  background: var(--skill-chip-bg);
  color: var(--skill-chip-text);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-theme);
}
[data-theme="dark"] .role-badge {
  border: 1px solid var(--accent-primary);
  box-shadow: 0 0 15px rgba(8, 253, 216, 0.2);
}
.role-divider {
  color: var(--text-muted);
}
.hero-description {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 550px;
  margin-bottom: 15px;
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.4s forwards;
  transition: color var(--transition-theme);
}
.hero-cta {
  display: flex;
  gap: 15px;
  margin-bottom: 30px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.5s forwards;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #1a1a1a;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(232, 164, 184, 0.4);
}
[data-theme="dark"] .btn-primary:hover {
  box-shadow: 0 10px 30px rgba(8, 253, 216, 0.4);
}
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}
.btn-secondary:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}
.social-links {
  display: flex;
  gap: 15px;
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.6s forwards;
}
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  transition: all 0.3s ease;
}
.social-link:hover {
  background: var(--accent-primary);
  color: #000;
  transform: translateY(-3px);
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.85rem;
  animation: bounce 2s infinite;
  cursor: pointer;
  transition: color 0.3s ease;
}
.scroll-indicator:hover {
  color: var(--accent-primary);
}
.scroll-indicator:hover .scroll-arrow {
  border-color: var(--accent-primary);
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  transition: border-color 0.3s ease;
}
@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Sections ===== */
.section {
  padding: 80px 40px;
  position: relative;
  z-index: 1;
}
.compact-section {
  padding: 40px 40px;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
}
.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 50px;
}
.title-decorator {
  color: var(--accent-primary);
  font-weight: 300;
  font-family: "JetBrains Mono", monospace;
}
[data-theme="dark"] .title-decorator {
  text-shadow: 0 0 10px var(--accent-primary);
}
.section-more {
  text-align: center;
  margin-top: 40px;
}

/* Page Headers */
.page-header {
  padding-top: 120px;
  padding-bottom: 40px;
}
.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 15px;
}
.page-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Quick About Section ===== */
.quick-about-section {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: start;
}
.quick-about-text h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}
.quick-about-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 15px;
}
.quick-about-text .btn {
  margin-top: 10px;
}

/* ===== Intro Quote Card ===== */
.intro-quote-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px 40px;
  display: flex;
  align-items: center;
  gap: 25px;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: var(--card-shadow);
}
.quote-icon {
  color: var(--accent-primary);
  flex-shrink: 0;
}
.intro-quote-text {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  flex: 1;
  margin: 0;
}
.intro-quote-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
  transition: opacity 0.3s;
}
.intro-quote-link:hover {
  opacity: 0.8;
}

/* ===== Terminal Box - ALWAYS DARK (fixes light mode text issue) ===== */
.terminal-window,
.terminal-box {
  background: #1a1a2e;
  border: 1px solid #08fdd8;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.terminal-window:hover,
.terminal-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 50px rgba(8, 253, 216, 0.2);
}
.terminal-header {
  background: #0f0f1a;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(8, 253, 216, 0.2);
}
.terminal-buttons {
  display: flex;
  gap: 8px;
}
.terminal-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.terminal-btn.red {
  background: #ff5f57;
}
.terminal-btn.yellow {
  background: #ffbd2e;
}
.terminal-btn.green {
  background: #28ca41;
}
.terminal-title {
  color: #6b7280;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
}
.terminal-body {
  padding: 20px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  line-height: 1.8;
  background: #1a1a2e;
}
/* Terminal text always white regardless of theme */
.terminal-body p {
  margin-bottom: 8px;
  color: #ffffff;
}
.terminal-prompt {
  color: #08fdd8;
  margin-right: 10px;
}
.terminal-output {
  padding-left: 20px;
  color: #a0aec0;
}
.terminal-output p {
  margin: 4px 0;
  color: #a0aec0;
}
.terminal-key {
  color: #b400ff;
  font-weight: 600;
}
.terminal-status {
  color: #28ca41;
  font-weight: 600;
}
.terminal-cursor {
  color: #08fdd8;
  animation: blink 1s infinite;
}
@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

/* ===== Mini Project Cards for Index - 3 columns with floating effect ===== */
.project-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 25px 0 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}
.project-category-header:first-of-type {
  margin-top: 0;
}
.category-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  color: var(--accent-primary);
  font-weight: 600;
}
.category-count {
  font-size: 0.85rem;
  color: var(--text-muted);
}
/* Projects grid with 3 columns as original */
.projects-grid-compact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.project-card-mini {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  position: relative;
  /* instant transition - 0.05s for immediate response */
  transition: all 0.05s ease;
  transform-style: preserve-3d;
}
/* White border glow on hover, not white background */
.project-card-mini:hover {
  box-shadow: var(--card-border-glow);
  border-color: rgba(255, 255, 255, 0.5);
  /* add slight lift on hover */
  transform: translateY(-3px);
}
[data-theme="dark"] .project-card-mini:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.3), 0 0 60px rgba(8, 253, 216, 0.3);
}
.project-card-inner {
  position: relative;
  z-index: 1;
}
.project-icon-mini {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--skill-chip-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}
.project-icon-mini svg {
  stroke: var(--accent-primary);
}
.project-card-mini h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.project-card-mini p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.5;
}
.mini-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.mini-tags span {
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg-tertiary);
  color: var(--text-muted);
}
.card-link-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
}

/* ===== Enhanced Project Cards - 3 columns with floating effect ===== */
.projects-grid-spaced {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  margin-bottom: 25px;
}
.project-card-enhanced {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  /* instant transition - 0.05s for immediate response */
  transition: all 0.05s ease;
  transform-style: preserve-3d;
}
.card-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(8, 253, 216, 0.15) 0%,
    transparent 60%
  );
  opacity: 0;
  /* instant glow - 0.02s */
  transition: opacity 0.02s ease;
  pointer-events: none;
}
[data-theme="dark"] .project-card-enhanced:hover .card-glow {
  opacity: 1;
}
/* White border glow on hover for project cards */
.project-card-enhanced:hover {
  box-shadow: var(--card-border-glow);
  border-color: rgba(255, 255, 255, 0.5);
  /* add slight lift on hover */
  transform: translateY(-5px);
}
[data-theme="dark"] .project-card-enhanced:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.3), 0 0 60px rgba(8, 253, 216, 0.35);
  transform: translateY(-5px);
}
.project-card-content {
  padding: 25px;
  position: relative;
  z-index: 1;
}
.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 15px;
}
.project-icon-wrapper {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--skill-chip-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-icon-wrapper svg {
  stroke: var(--accent-primary);
}
.project-icon-wrapper.featured {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}
.project-icon-wrapper.featured svg {
  stroke: #000;
}
.featured-badge {
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--accent-primary);
  color: #000;
  font-weight: 600;
  position: absolute;
  top: 15px;
  right: 55px;
}
.project-github {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  /* instant github icon transition */
  transition: all 0.05s ease;
}
.project-github:hover {
  background: var(--accent-primary);
  color: #000;
}
.project-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.project-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 15px;
}
.project-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.project-tags span {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--skill-chip-bg);
  color: var(--skill-chip-text);
}

/* ===== Achievements Showcase ===== */
.achievements-showcase {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.achievement-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  transform-style: preserve-3d;
}
/* White border glow for achievements */
.achievement-item:hover {
  box-shadow: var(--card-border-glow);
  border-color: rgba(255, 255, 255, 0.5);
}
[data-theme="dark"] .achievement-item:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.3), 0 0 60px rgba(8, 253, 216, 0.3);
}
.achievement-image-slot {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  background: var(--bg-tertiary);
  margin: 0 auto 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.achievement-image-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.achievement-placeholder {
  color: var(--accent-primary);
  opacity: 0.5;
}
.achievement-info h3 {
  font-size: 0.95rem;
  margin-bottom: 5px;
  color: var(--text-primary);
}
.achievement-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}
.achievement-badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--skill-chip-bg);
  color: var(--skill-chip-text);
  margin-bottom: 10px;
  font-weight: 600;
}

/* ===== About Section ===== */
.about-intro {
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}
.about-intro .highlight,
.highlight {
  color: var(--accent-primary);
  font-weight: 600;
}
[data-theme="dark"] .highlight {
  text-shadow: 0 0 10px var(--accent-primary);
}
.about-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 50px;
  align-items: start;
}
.about-text p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  transition: color var(--transition-theme);
}

/* ===== About Hero ===== */
.about-hero {
  padding: 140px 40px 60px;
}
.about-hero-content {
  display: flex;
  align-items: center;
  gap: 50px;
  max-width: 900px;
  margin: 0 auto;
}
.about-hero-image {
  position: relative;
  flex-shrink: 0;
}
.about-hero-image img {
  width: 200px;
  height: 200px;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: var(--card-shadow);
}
.about-hero-glow {
  position: absolute;
  inset: -15px;
  border-radius: 25px;
  background: radial-gradient(circle, rgba(8, 253, 216, 0.2) 0%, transparent 70%);
  opacity: 0;
  z-index: -1;
}
[data-theme="dark"] .about-hero-glow {
  opacity: 1;
}
.about-hero-text h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}
.about-tagline {
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 15px;
}
.about-bio {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* About Page Redesign */
.about-hero-redesign {
  padding: 140px 40px 60px;
}
.about-main-grid {
  display: grid;
  /* increased first column to 480px to fit 450px image with some spacing */
  grid-template-columns: 480px 1fr;
  gap: 60px;
  align-items: start;
  max-width: 1000px;
  margin: 0 auto;
}
.about-image-side {
  position: sticky;
  top: 120px;
}
/* align image to left with some spacing from left edge */
.about-image-wrapper {
  position: relative;
  width: 450px;
  height: 450px;
  margin: 0;
  margin-left: 0;
  margin-right: auto;
}
.about-profile-img {
  width: 100%;
  height: 100%;
  border-radius: 20px;
  object-fit: cover;
  border: 3px solid var(--accent-primary);
  box-shadow: var(--card-shadow);
}
.about-image-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 20px;
  background: radial-gradient(circle at center, rgba(8, 253, 216, 0.2), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}
[data-theme="dark"] .about-image-glow {
  opacity: 1;
}
.about-text-side {
  padding-top: 20px;
}
.about-name {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.about-role {
  font-size: 1.1rem;
  color: var(--accent-primary);
  font-weight: 500;
  margin-bottom: 20px;
}
.about-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 30px;
}
.about-stats-row {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}
.about-stat-item {
  text-align: center;
}
.about-stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
  font-family: "JetBrains Mono", monospace;
}
.about-stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Book Quote */
.book-quote {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 50px;
  background: var(--card-bg);
  border-radius: 16px;
  border-left: 4px solid var(--accent-primary);
  position: relative;
  box-shadow: var(--card-shadow);
}
.book-quote-mark {
  font-size: 5rem;
  font-family: Georgia, serif;
  color: var(--accent-primary);
  opacity: 0.2;
  position: absolute;
  top: 10px;
  left: 20px;
  line-height: 1;
}
.book-quote blockquote {
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0 0 15px;
  padding-left: 30px;
}
.book-quote cite {
  display: block;
  text-align: right;
  color: var(--accent-primary);
  font-style: normal;
  font-weight: 600;
}

/* Stats Flow */
.stats-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 30px 0;
}
.stat-flow-item {
  text-align: center;
}
.stat-flow-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  font-family: "JetBrains Mono", monospace;
  display: block;
}
[data-theme="dark"] .stat-flow-number {
  text-shadow: 0 0 20px var(--accent-primary);
}
.stat-flow-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.stat-flow-divider {
  width: 1px;
  height: 50px;
  background: var(--border-color);
}

/* Tech Showcase */
.tech-showcase {
  max-width: 900px;
  margin: 0 auto;
}
.tech-row {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.tech-label {
  width: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  flex-shrink: 0;
}
.tech-chips-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tech-chip {
  background: var(--skill-chip-bg);
  color: var(--skill-chip-text);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  transition: all 0.3s ease;
}
.tech-chip:hover {
  transform: translateY(-2px);
}
.tech-chip.highlight-chip {
  background: var(--accent-primary);
  color: #000;
  font-weight: 600;
}

/* Journey Timeline */
.journey-timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  padding-left: 30px;
}
.journey-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}
.journey-item {
  position: relative;
  margin-bottom: 30px;
  padding-left: 30px;
}
.journey-marker {
  position: absolute;
  left: -30px;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 3px solid var(--bg-primary);
}
.journey-year {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-primary);
  display: block;
  margin-bottom: 5px;
}
.journey-content h3 {
  font-size: 1.1rem;
  margin-bottom: 5px;
  color: var(--text-primary);
}
.journey-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== Journey & Tech Side by Side ===== */
.journey-tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  max-width: 1100px;
  margin: 0 auto;
}
.journey-side .section-subtitle,
.tech-side .section-subtitle {
  font-size: 1.3rem;
  margin-bottom: 25px;
  color: var(--text-primary);
}
.journey-side .journey-timeline {
  margin: 0;
  max-width: none;
}
.tech-side .tech-showcase {
  margin: 0;
  max-width: none;
}

/* Journey & Tech Row Layout */
.journey-tech-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  max-width: 1100px;
  margin: 0 auto;
}
.column-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 25px;
  color: var(--text-primary);
  position: relative;
  padding-bottom: 10px;
}
.column-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--accent-primary);
  border-radius: 2px;
}

/* Journey Entries */
.journey-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.journey-entry {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 15px;
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}
.journey-entry:hover {
  border-color: var(--accent-primary);
  transform: translateX(5px);
}
.journey-entry .journey-year {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: var(--skill-chip-bg);
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
}
.journey-details h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.journey-details p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Tech Stack - Clean Rows */
.tech-stack-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tech-tag {
  font-size: 0.85rem;
  padding: 6px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}
.tech-tag:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}
.tech-tag.highlight {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
  font-weight: 500;
}

/* ===== Research Page ===== */
.research-commitment {
  display: flex;
  align-items: flex-start;
  gap: 25px;
  max-width: 800px;
  margin: 0 auto;
  padding: 35px 40px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
}
.commitment-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--skill-chip-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.commitment-icon svg {
  stroke: var(--accent-primary);
}
.commitment-text h2 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.commitment-text p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.case-study-card {
  max-width: 900px;
  margin: 0 auto;
  padding: 35px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
}
.case-study-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.case-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--skill-chip-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-icon svg {
  stroke: var(--accent-primary);
}
.case-meta {
  display: flex;
  gap: 10px;
}
.case-tag,
.case-year {
  font-size: 0.8rem;
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--skill-chip-bg);
  color: var(--skill-chip-text);
}
.case-study-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--text-primary);
}
.case-study-card > p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}
.case-timeline {
  margin: 20px 0;
  padding-left: 20px;
  border-left: 2px solid var(--border-color);
}
.timeline-item {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 10px;
}
.timeline-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  flex-shrink: 0;
}
.timeline-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.case-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.case-tags span {
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: 20px;
  background: var(--skill-chip-bg);
  color: var(--skill-chip-text);
}

.research-focus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.focus-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 25px;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  transform-style: preserve-3d;
}
/* White border glow for focus cards */
.focus-card:hover {
  box-shadow: var(--card-border-glow);
  border-color: rgba(255, 255, 255, 0.5);
}
[data-theme="dark"] .focus-card:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.3), 0 0 60px rgba(8, 253, 216, 0.3);
}
.focus-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--skill-chip-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}
.focus-icon svg {
  stroke: var(--accent-primary);
}
.focus-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.focus-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Contact Page Styles ===== */
.contact-hero {
  padding: 140px 40px 60px;
  text-align: center;
}
.contact-hero h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}
.contact-hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
}
.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  max-width: 900px;
  margin: 0 auto;
}
.contact-method {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  transform-style: preserve-3d;
}
/* White border glow for contact cards */
.contact-method:hover {
  box-shadow: var(--card-border-glow);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-5px);
}
[data-theme="dark"] .contact-method:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.3), 0 0 60px rgba(8, 253, 216, 0.3);
}
.contact-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--skill-chip-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
}
.contact-icon svg {
  stroke: var(--accent-primary);
}
.contact-method h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.contact-method p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.contact-availability {
  max-width: 600px;
  margin: 50px auto 0;
  padding: 30px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  text-align: center;
}
.contact-availability h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.contact-availability p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Contact Page Redesigned */
.contact-page {
  padding: 140px 40px 80px;
  min-height: 100vh;
}
.contact-header {
  text-align: center;
  margin-bottom: 60px;
}
.contact-header h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--text-primary);
}
.contact-subtitle {
  font-size: 1.3rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 15px;
}
.contact-description {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Contact Cards Grid */
.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 900px;
  margin: 0 auto 50px;
}
.contact-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  transform-style: preserve-3d;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact-card:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.4), 0 20px 40px rgba(0, 0, 0, 0.15);
  transform: translateY(-10px);
}
[data-theme="dark"] .contact-card:hover {
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.3), 0 0 60px rgba(8, 253, 216, 0.2);
}
.contact-card-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: transform 0.3s ease;
}
.contact-card:hover .contact-card-icon {
  transform: scale(1.1) rotate(5deg);
}
.contact-card-icon svg {
  color: var(--bg-primary);
  stroke: var(--bg-primary);
  fill: var(--bg-primary);
}
.contact-card-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.contact-card-value {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 15px;
  word-break: break-all;
}
.contact-card-action {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-primary);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}
.contact-card:hover .contact-card-action {
  opacity: 1;
  transform: translateY(0);
}

/* Availability Box */
.contact-availability-box {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: 500px;
  margin: 0 auto;
  padding: 25px 30px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
}
.availability-indicator {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 15px rgba(34, 197, 94, 0.5);
  animation: pulse-green 2s infinite;
}
@keyframes pulse-green {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.7;
  }
}
.availability-text h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.availability-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== Footer - Fixed for both themes ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 50px 40px 30px;
  position: relative;
  z-index: 1;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  max-width: 1200px;
  margin: 0 auto 30px;
}
/* Footer brand text uses gradient and is visible in both themes */
.footer-brand .brand-text {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-brand p {
  color: var(--text-secondary);
  margin-top: 10px;
  font-size: 0.9rem;
}
.footer-links {
  display: flex;
  gap: 25px;
}
.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}
.footer-links a:hover {
  color: var(--accent-primary);
}
.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  max-width: 1200px;
  margin: 0 auto;
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== Scroll Fade Animation ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .projects-grid-spaced,
  .projects-grid-compact {
    grid-template-columns: repeat(2, 1fr);
  }
  .achievements-showcase {
    grid-template-columns: repeat(2, 1fr);
  }
  .research-focus-grid {
    grid-template-columns: 1fr;
  }
  .journey-tech-grid,
  .journey-tech-row {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .quick-about-section {
    grid-template-columns: 1fr;
  }
  .contact-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .navbar {
    padding: 15px 20px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    flex-direction: column;
    padding: 20px;
    gap: 15px;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .hero {
    padding: 80px 20px;
  }
  .hero-content {
    flex-direction: column;
    text-align: center;
    gap: 30px;
    /* Reset padding for mobile to keep centered */
    padding-left: 0;
  }
  .hero-image-wrapper {
    /* Keep mobile size at 200px for proper centering */
    width: 200px;
    height: 200px;
  }
  .hero-role {
    justify-content: center;
  }
  .hero-cta {
    justify-content: center;
  }
  .social-links {
    justify-content: center;
  }
  .section {
    padding: 60px 20px;
  }
  .projects-grid-spaced,
  .projects-grid-compact {
    grid-template-columns: 1fr;
  }
  .achievements-showcase {
    grid-template-columns: 1fr;
  }
  .about-content {
    grid-template-columns: 1fr;
  }
  .about-hero-content {
    flex-direction: column;
    text-align: center;
  }
  .about-main-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .about-image-side {
    position: static;
    display: flex;
    justify-content: center;
  }
  /* keep mobile image centered and smaller */
  .about-image-wrapper {
    width: 200px;
    height: 200px;
    margin: 0 auto;
  }
  .about-profile-img {
    width: 100%;
    height: 100%;
  }
  .about-stats-row {
    justify-content: center;
  }
  .stats-flow {
    gap: 20px;
  }
  .stat-flow-divider {
    display: none;
  }
  .tech-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .tech-label {
    width: auto;
  }
  .footer-content {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  .footer-links {
    justify-content: center;
  }
  .intro-quote-card {
    flex-direction: column;
    text-align: center;
  }
  .research-commitment {
    flex-direction: column;
    text-align: center;
  }
  .contact-cards-grid {
    grid-template-columns: 1fr;
  }
  .contact-methods {
    grid-template-columns: 1fr;
  }
}