/* ==========================================================================
   DESIGN SYSTEM & CUSTOM PROPERTIES
   ========================================================================== */

:root[data-theme="dark"] {
  --bg-primary: #0a0a0a;
  --bg-secondary: #121212;
  --bg-tertiary: #1c1c1e;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-muted: #6e6e73;
  --border-color: #2c2c2e;
  --border-hover: #f5f5f7;
  --shadow-color: rgba(0, 0, 0, 0.8);
  --glass-bg: rgba(18, 18, 18, 0.7);
  --glass-border: rgba(255, 255, 255, 0.06);
  --accent-color: #ffffff;
  --accent-muted: #8e8e93;
  --accent-rgb: 255, 255, 255;
  --glow-bg: radial-gradient(circle at 50% 30%, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
  --terminal-bar: #2c2c2e;
  --terminal-bg: #121212;
  --terminal-prompt: #f5f5f7;
  --toast-bg: #1c1c1e;
  --toast-border: rgba(255, 255, 255, 0.1);
}

:root[data-theme="light"] {
  --bg-primary: #fafafa;
  --bg-secondary: #f2f2f7;
  --bg-tertiary: #e5e5ea;
  --text-primary: #1c1c1e;
  --text-secondary: #5c5c60;
  --text-muted: #8e8e93;
  --border-color: #d1d1d6;
  --border-hover: #1c1c1e;
  --shadow-color: rgba(0, 0, 0, 0.05);
  --glass-bg: rgba(250, 250, 250, 0.7);
  --glass-border: rgba(0, 0, 0, 0.06);
  --accent-color: #000000;
  --accent-muted: #5c5c60;
  --accent-rgb: 0, 0, 0;
  --glow-bg: radial-gradient(circle at 50% 30%, rgba(0, 0, 0, 0.02) 0%, transparent 70%);
  --terminal-bar: #e5e5ea;
  --terminal-bg: #f2f2f7;
  --terminal-prompt: #1c1c1e;
  --toast-bg: #ffffff;
  --toast-border: rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 14.5px;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease, opacity 0.3s ease;
}

button, input, textarea {
  font-family: inherit;
  background: none;
  border: none;
  color: inherit;
}

button {
  cursor: pointer;
}

ul {
  list-style: none;
}

/* ==========================================================================
   VISUAL EFFECTS (BACKGROUNDS & GRID)
   ========================================================================== */

.grid-background {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, var(--border-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at center, black, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, black, transparent 80%);
  opacity: 0.15;
  pointer-events: none;
  z-index: -2;
  transition: background-image 0.4s ease;
}

.glow-effect {
  position: fixed;
  inset: 0;
  background: var(--glow-bg);
  pointer-events: none;
  z-index: -1;
  transition: background 0.4s ease;
}

/* ==========================================================================
   REUSABLE UTILITIES & COMPONENTS
   ========================================================================== */

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem;
}

.section-header {
  margin-bottom: 2.25rem;
  max-width: 600px;
}

.section-tag {
  display: inline-block;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.5rem;
  width: 3rem;
  height: 2px;
  background-color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 0;
  letter-spacing: 0.02em;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-transform: uppercase;
}

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

.btn-primary:hover {
  background-color: transparent;
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px var(--shadow-color);
}

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

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

.btn-download {
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  gap: 0.5rem;
  font-size: 0.85rem;
}

.btn-download svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.btn-download:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.project-live-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bg-primary);
  padding: 0.5rem 0.85rem;
  border: 2px solid var(--accent-color);
  background-color: var(--accent-color);
  transition: all 0.2s ease;
  text-decoration: none;
}

.project-live-btn svg {
  width: 0.9rem;
  height: 0.9rem;
  flex-shrink: 0;
}

.project-live-btn:hover {
  background-color: transparent;
  color: var(--text-primary);
  box-shadow: 3px 3px 0px 0px var(--accent-color);
  transform: translate(-1px, -1px);
}

/* Styled lists */
.styled-list li {
  position: relative;
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  font-size: 1rem;
  color: var(--text-secondary);
}

.list-icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  color: var(--text-primary);
}

.list-icon svg {
  width: 100%;
  height: 100%;
}

/* ==========================================================================
   SITE HEADER & NAVIGATION
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: background-color 0.4s ease, border-color 0.4s ease, transform 0.3s ease;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-primary);
}

.nav-list {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  text-transform: uppercase;
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--text-primary);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Theme Toggle Button */
.theme-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s, background-color 0.3s, transform 0.2s;
  position: relative;
  overflow: hidden;
}

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

.theme-btn svg {
  width: 1.15rem;
  height: 1.15rem;
  position: absolute;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s;
}

:root[data-theme="dark"] .sun-icon {
  transform: translateY(0) rotate(0deg);
  opacity: 1;
}

:root[data-theme="dark"] .moon-icon {
  transform: translateY(30px) rotate(90deg);
  opacity: 0;
}

:root[data-theme="light"] .sun-icon {
  transform: translateY(-30px) rotate(-90deg);
  opacity: 0;
}

:root[data-theme="light"] .moon-icon {
  transform: translateY(0) rotate(0deg);
  opacity: 1;
}

/* Mobile Toggle Hamburger */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 1.5rem;
  height: 1rem;
  z-index: 101;
}

.mobile-nav-toggle .bar {
  height: 2px;
  width: 100%;
  background-color: var(--text-primary);
  transition: all 0.3s ease;
}

/* ==========================================================================
   HERO & TERMINAL SIMULATOR SECTION
   ========================================================================== */

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  position: relative;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  padding: 0.4rem 0.8rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  font-weight: 300;
  max-width: 500px;
  margin-bottom: 1.75rem;
}

.hero-subtitle strong {
  font-weight: 600;
  color: var(--text-primary);
}

.hero-cta-group {
  display: flex;
  gap: 1.5rem;
}

/* Terminal Design */
.terminal-window {
  background-color: var(--terminal-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 20px 40px var(--shadow-color);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 310px;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  transition: border-color 0.4s ease, background-color 0.4s ease;
}

.terminal-header {
  background-color: var(--terminal-bar);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  user-select: none;
}

.terminal-dots {
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--border-color);
}

.dot-close {
  background-color: rgba(255, 255, 255, 0.15);
}

:root[data-theme="light"] .dot-close {
  background-color: rgba(0, 0, 0, 0.15);
}

.terminal-title {
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.terminal-pill {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1.25rem;
  flex-grow: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.t-prompt {
  color: var(--accent-muted);
}

.t-command {
  color: var(--text-primary);
  font-weight: 500;
}

.t-highlight {
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: underline;
}

.terminal-output {
  color: var(--text-secondary);
  white-space: pre-line;
  line-height: 1.5;
}

.terminal-interactive-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#terminal-input {
  flex-grow: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: inherit;
  color: var(--text-primary);
  caret-color: var(--text-primary);
}

/* ==========================================================================
   ABOUT & STATS SECTION
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: auto 1.3fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* Profile Photo Column */
.about-photo-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.profile-photo-frame {
  position: relative;
  width: 200px;
  flex-shrink: 0;
}

.profile-photo {
  width: 200px;
  height: 260px;
  object-fit: cover;
  object-position: top center;
  display: block;
  border: 3px solid var(--accent-color);
  filter: grayscale(10%);
  transition: filter 0.3s ease, transform 0.3s ease;
}

.profile-photo:hover {
  filter: grayscale(0%);
  transform: translate(-3px, -3px);
}

.profile-photo-accent {
  position: absolute;
  bottom: -8px;
  right: -8px;
  width: 100%;
  height: 100%;
  border: 3px solid var(--border-color);
  z-index: -1;
  transition: border-color 0.3s;
}

.profile-photo-frame:hover .profile-photo-accent {
  border-color: var(--accent-color);
}

.profile-socials {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  width: 100%;
}

.profile-social-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border-color);
  transition: color 0.2s, border-color 0.2s, background-color 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.profile-social-link svg {
  width: 0.9rem;
  height: 0.9rem;
  flex-shrink: 0;
}

.profile-social-link:hover {
  color: var(--text-primary);
  border-color: var(--accent-color);
  background-color: var(--bg-secondary);
}

.about-text p {
  font-size: 1.0rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.achievements-highlights {
  margin-top: 3rem;
}

.achievements-highlights h3 {
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

/* Stats Layout */
.stats-panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.stats-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}

.stats-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
}

.stat-num {
  font-family: 'Outfit', sans-serif;
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* Responsive: stack photo above text on mobile */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-photo-col {
    flex-direction: row;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .profile-socials {
    flex-direction: row;
    flex-wrap: wrap;
  }
}


/* ==========================================================================
   EXPERIENCE SECTION (TIMELINE)
   ========================================================================== */

/* Experience: 3-column horizontal grid — all cards visible at once */
.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  position: relative;
  max-width: 100%;
  padding-left: 0;
}

.timeline::before {
  display: none;
}

.timeline-item {
  position: relative;
  margin-bottom: 0;
}

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

.timeline-dot {
  display: none;
}

.timeline-content {
  background-color: var(--bg-secondary);
  border: 3px solid var(--accent-color);
  padding: 1.1rem 1rem;
  position: relative;
  box-shadow: 5px 5px 0px 0px var(--accent-color);
  transition: box-shadow 0.2s ease, border-color 0.4s ease, background-color 0.4s ease;
  transform-style: preserve-3d;
  height: 100%;
}

.timeline-content:hover {
  box-shadow: 8px 8px 0px 0px var(--accent-color);
}

.timeline-header-info {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.85rem;
}

.timeline-date {
  font-family: 'Fira Code', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  order: -1;
}

.timeline-role {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.timeline-org {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
}

.timeline-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .timeline {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   ACHIEVEMENTS SECTION (NEO-BRUTALIST STYLING)
   ========================================================================== */

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  perspective: 1000px;
}

.achievement-card {
  background-color: var(--bg-secondary);
  border: 3px solid var(--accent-color);
  padding: 2.25rem 1.75rem 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: 6px 6px 0px 0px var(--accent-color);
  transition: box-shadow 0.2s ease, border-color 0.4s ease, background-color 0.4s ease;
  transform-style: preserve-3d;
}

.achievement-card:hover {
  box-shadow: 10px 10px 0px 0px var(--accent-color);
}

.achievement-badge-circle {
  position: absolute;
  top: -1.75rem;
  right: -1.75rem;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  border: 2px solid var(--accent-color);
  background-color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 3px 3px 0px 0px var(--shadow-color);
  transform: rotate(-10deg);
  animation: floatBadge 6s ease-in-out infinite alternate;
  z-index: 5;
}

.achievement-badge-circle .badge-inner {
  font-family: 'Outfit', sans-serif;
  color: var(--bg-primary);
  font-size: 0.9rem;
  font-weight: 900;
  text-transform: uppercase;
}

.achievement-card-header {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.achievement-card-title {
  font-size: 1.4rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-primary);
}

.achievement-card-pill {
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
}

.achievement-card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.achievement-features-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: auto;
}

.achievement-features-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: transform 0.2s ease;
}

.achievement-features-list li:hover {
  transform: translateX(4px);
}

.chk-icon {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 4px;
  background-color: var(--accent-color);
  color: var(--bg-primary);
  border: 1px solid var(--accent-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 900;
  box-shadow: 1px 1px 0px 0px var(--shadow-color);
}

.achievement-btn {
  width: 100%;
  text-align: center;
  border: 2px solid var(--accent-color) !important;
  box-shadow: 4px 4px 0px 0px var(--accent-color) !important;
  transition: all 0.2s ease !important;
}

.achievement-btn:hover {
  box-shadow: 6px 6px 0px 0px var(--accent-color) !important;
  transform: translate(-1px, -1px) !important;
}

.achievement-btn:active {
  box-shadow: 2px 2px 0px 0px var(--accent-color) !important;
  transform: translate(1px, 1px) !important;
}

@keyframes floatBadge {
  0% {
    transform: rotate(-10deg) translateY(0);
  }
  100% {
    transform: rotate(-5deg) translateY(-4px);
  }
}

/* ==========================================================================
   RESEARCH SECTION
   ========================================================================== */

.research-card {
  background-color: var(--bg-secondary);
  border: 3px solid var(--accent-color);
  padding: 2.25rem 2rem;
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
  box-shadow: 6px 6px 0px 0px var(--accent-color);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.research-card:hover {
  box-shadow: 10px 10px 0px 0px var(--accent-color);
}

.research-icon {
  flex-shrink: 0;
  width: 3.5rem;
  height: 3.5rem;
  border: 2px solid var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: 3px 3px 0px 0px var(--accent-color);
  transition: border-color 0.3s;
}

.research-icon svg {
  width: 1.75rem;
  height: 1.75rem;
}

.research-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.journal-tag {
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.paper-title {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
}

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

.paper-bullets {
  list-style: square;
  padding-left: 1.25rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.paper-btn {
  align-self: flex-start;
  margin-top: 1rem;
  gap: 0.5rem;
}

.paper-btn svg {
  width: 1rem;
  height: 1rem;
}


/* ==========================================================================
   SKILLS SECTION (COMPACT NEO-BRUTALIST TAGS)
   ========================================================================== */

.skills-tags-wrapper {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.skills-group {
  background-color: var(--bg-secondary);
  border: 2px solid var(--accent-color);
  padding: 1rem 1.1rem;
  box-shadow: 4px 4px 0px 0px var(--accent-color);
  transition: all 0.3s ease;
}

.skills-group:hover {
  box-shadow: 6px 6px 0px 0px var(--accent-color);
  transform: translate(-1px, -1px);
}

.skills-group h3 {
  font-family: 'Fira Code', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.4rem;
}

.skills-tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.skills-tag {
  font-family: 'Outfit', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  border: 2px solid var(--accent-color);
  box-shadow: 2px 2px 0px 0px var(--accent-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  text-transform: uppercase;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.skills-tag:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px 0px var(--accent-color);
  background-color: var(--accent-color);
  color: var(--bg-primary);
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */

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

.project-card {
  background-color: var(--bg-secondary);
  border: 3px solid var(--accent-color);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: pointer;
  box-shadow: 6px 6px 0px 0px var(--accent-color);
  transition: box-shadow 0.2s ease, border-color 0.4s ease, background-color 0.4s ease;
  transform-style: preserve-3d;
}

.project-card:hover {
  box-shadow: 10px 10px 0px 0px var(--accent-color);
}

.project-num {
  font-family: 'Fira Code', monospace;
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.project-title {
  font-size: 1.85rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.project-summary {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.project-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-tech-tags span {
  font-family: 'Fira Code', monospace;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  background-color: var(--bg-primary);
  border: 2px solid var(--accent-color);
  color: var(--text-secondary);
}

.project-action-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  align-self: flex-start;
  padding: 0.5rem 1rem;
  border: 2px solid var(--accent-color);
  box-shadow: 3px 3px 0px 0px var(--accent-color);
  background-color: var(--bg-primary);
  transition: all 0.2s ease;
}

.project-action-btn svg {
  width: 1rem;
  height: 1rem;
  transition: transform 0.3s;
}

.project-card:hover .project-action-btn {
  box-shadow: 5px 5px 0px 0px var(--accent-color);
  transform: translate(-1px, -1px);
}

.project-card:hover .project-action-btn svg {
  transform: translateX(3px);
}

.project-card-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: auto;
}

.project-github-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 0.5rem 0.85rem;
  border: 2px solid var(--border-color);
  background-color: transparent;
  transition: all 0.2s ease;
  text-decoration: none;
}

.project-github-btn svg {
  width: 0.9rem;
  height: 0.9rem;
  flex-shrink: 0;
}

.project-github-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-color);
  box-shadow: 3px 3px 0px 0px var(--accent-color);
  transform: translate(-1px, -1px);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-heading {
  font-size: 2rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.contact-info p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.detail-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1rem;
  color: var(--text-secondary);
}

.detail-link svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--text-primary);
  flex-shrink: 0;
}

.detail-link a:hover, a.detail-link:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-circle {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.social-circle:hover {
  border-color: var(--text-primary);
  background-color: var(--text-primary);
  color: var(--bg-primary);
  transform: translateY(-3px);
}

.social-circle svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Contact Form Layout */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  position: relative;
  width: 100%;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 1rem 0;
  font-size: 1rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.3s;
}

.form-group textarea {
  resize: none;
}

.form-group label {
  position: absolute;
  left: 0;
  top: 1rem;
  font-size: 1rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Floating Label Logic */
.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: -0.75rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.form-group input:focus, .form-group textarea:focus {
  border-bottom-color: var(--text-primary);
}

.error-msg {
  display: none;
  font-size: 0.75rem;
  color: #ff3b30;
  position: absolute;
  bottom: -1.25rem;
  left: 0;
}

.form-group.invalid input, .form-group.invalid textarea {
  border-bottom-color: #ff3b30;
}

.form-group.invalid .error-msg {
  display: block;
}

.form-submit-btn {
  align-self: flex-start;
  gap: 0.75rem;
}

.form-submit-btn svg {
  width: 1rem;
  height: 1rem;
  transition: transform 0.3s;
}

.form-submit-btn:hover svg {
  transform: translate(3px, -3px);
}

/* ==========================================================================
   SITE FOOTER
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem;
  background-color: var(--bg-secondary);
  transition: background-color 0.4s ease, border-color 0.4s ease;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-meta {
  font-family: 'Fira Code', monospace;
}

/* ==========================================================================
   MODAL WINDOW & DETAIL DIALOGS
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 800px;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(30px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open .modal-window {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all 0.3s;
}

.modal-close-btn:hover {
  border-color: var(--border-hover);
  background-color: var(--bg-tertiary);
  transform: rotate(90deg);
}

.modal-close-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Modal Content Styling */
.modal-content {
  padding: 4rem;
}

.modal-proj-num {
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.modal-proj-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.modal-proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.modal-proj-tags span {
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  padding: 0.3rem 0.6rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.modal-proj-section {
  margin-bottom: 2.5rem;
}

.modal-proj-section:last-child {
  margin-bottom: 0;
}

.modal-proj-section h4 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.modal-proj-section p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.modal-proj-section ul {
  padding-left: 1.25rem;
  list-style: square;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.modal-proj-section li {
  margin-bottom: 0.5rem;
}

.modal-links-group {
  display: flex;
  gap: 1.5rem;
  margin-top: 3rem;
}

/* Modern Monochrome Wireframe Mockup illustration */
.modal-wireframe-mockup {
  width: 100%;
  height: 200px;
  background-color: var(--bg-primary);
  border: 1px dashed var(--border-color);
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.wireframe-inner {
  width: 80%;
  height: 70%;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 1rem;
  gap: 0.75rem;
}

.wireframe-header {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.wireframe-bar {
  height: 8px;
  background-color: var(--bg-secondary);
  border-radius: 4px;
}

.wireframe-layout {
  display: flex;
  gap: 1rem;
  flex-grow: 1;
}

.wireframe-sidebar {
  width: 25%;
  border-right: 1px dashed var(--border-color);
}

.wireframe-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background-color: var(--toast-bg);
  border: 1px solid var(--toast-border);
  color: var(--text-primary);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 30px var(--shadow-color);
  transform: translateY(100px);
  opacity: 0;
  animation: slideInUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  font-size: 0.9rem;
}

.toast svg {
  width: 1.15rem;
  height: 1.15rem;
  flex-shrink: 0;
}

.toast.toast-success svg {
  color: var(--text-primary);
}

.toast.toast-error {
  border-color: rgba(239, 68, 68, 0.4);
  background-color: rgba(239, 68, 68, 0.06);
}

.toast.toast-error svg {
  color: #f87171;
}

.toast.fade-out {
  animation: fadeOut 0.3s forwards;
}


/* ==========================================================================
   SCROLL REVEAL & ANIMATIONS
   ========================================================================== */

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

@keyframes slideInUp {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateY(-10px);
  }
}

/* Blink cursor for Terminal */
.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background-color: var(--text-primary);
  margin-left: 2px;
  animation: blink 1s step-end infinite;
  vertical-align: middle;
}

@keyframes blink {
  from, to { background-color: transparent }
  50% { background-color: var(--text-primary) }
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-terminal-container {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

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

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

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

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  .section-container {
    padding: 3rem 1.25rem;
  }

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

  /* Hamburger Menu Activation */
  .mobile-nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    padding: 6rem 2.5rem;
    z-index: 100;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: 2rem;
  }

  .nav-link {
    font-size: 1.15rem;
  }

  .mobile-menu-open .mobile-nav-toggle .bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .mobile-menu-open .mobile-nav-toggle .bar:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-open .mobile-nav-toggle .bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

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

  .timeline-date {
    grid-column: 1;
    justify-self: start;
    margin-bottom: 0.5rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .modal-content {
    padding: 2.5rem;
  }

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

  .research-card {
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.75rem 1.5rem;
  }

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

  .achievement-card {
    padding: 1.75rem 1.25rem 1.5rem;
  }

  .achievement-badge-circle {
    top: -1.25rem;
    right: -1.25rem;
  }
}

@media (max-width: 480px) {
  .hero-cta-group {
    flex-direction: column;
  }

  .stats-panel {
    grid-template-columns: 1fr;
  }

  .skills-filters {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
}

/* ==========================================================================
   ARCHITECTURE FLOW DIAGRAM (PROJECT MODALS)
   ========================================================================== */

.arch-flow {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem;
  background-color: var(--bg-primary);
  border: 2px solid var(--border-color);
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
}

.af-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.af-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.6rem 0.9rem;
  border: 2px solid var(--border-color);
  min-width: 110px;
  line-height: 1.4;
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--text-primary);
  flex-shrink: 0;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.af-node:hover {
  border-color: var(--accent-color);
  box-shadow: 3px 3px 0 var(--accent-color);
}

.af-node span {
  font-weight: 400;
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.af-user {
  border-color: var(--accent-color);
  background-color: var(--bg-secondary);
}

.af-front {
  border-style: dashed;
}

.af-ai {
  border-color: var(--accent-color);
  box-shadow: 2px 2px 0 var(--accent-color);
}

.af-media {
  border-style: dotted;
  border-color: var(--text-muted);
}

.af-output {
  background-color: var(--bg-secondary);
  border-color: var(--text-secondary);
}

.af-arrow {
  font-size: 1.1rem;
  color: var(--text-muted);
  flex-shrink: 0;
  padding: 0 0.2rem;
}

.af-center-arrow {
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-muted);
  padding-left: 3rem;
}

/* ==========================================================================
   HERO BADGES ROW (Available Badge)
   ========================================================================== */

.hero-badges-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.hero-badges-row .hero-badge {
  margin-bottom: 0;
}

.hero-available-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  padding: 0.4rem 0.8rem;
  background-color: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: #4ade80;
  border-radius: 2px;
  animation: pulse-green 2.5s infinite;
}

@keyframes pulse-green {
  0%, 100% { border-color: rgba(34, 197, 94, 0.35); box-shadow: none; }
  50% { border-color: rgba(34, 197, 94, 0.7); box-shadow: 0 0 8px rgba(34, 197, 94, 0.2); }
}

/* ==========================================================================
   EDUCATION SECTION
   ========================================================================== */

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

/* Education: 3-column horizontal grid — all cards visible at once */
.education-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 100%;
}

.edu-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background-color: var(--bg-primary);
  border: 3px solid var(--accent-color);
  padding: 1.1rem;
  box-shadow: 5px 5px 0px 0px var(--accent-color);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.edu-card:hover {
  box-shadow: 8px 8px 0px 0px var(--accent-color);
  transform: translate(-2px, -2px);
}

@media (max-width: 900px) {
  .education-timeline {
    grid-template-columns: 1fr;
  }
}

.edu-icon-col {
  flex-shrink: 0;
}

.edu-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.edu-body {
  flex: 1;
}

.edu-meta-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

.edu-year {
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.edu-badge {
  font-family: 'Fira Code', monospace;
  font-size: 0.78rem;
  padding: 0.2rem 0.6rem;
  background-color: var(--accent-color);
  color: var(--bg-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.edu-degree {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
  line-height: 1.3;
}

.edu-institute {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.edu-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.edu-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.edu-highlight-tag {
  font-family: 'Fira Code', monospace;
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  transition: border-color 0.2s, color 0.2s;
}

.edu-highlight-tag:hover {
  border-color: var(--accent-color);
  color: var(--text-primary);
}

/* Responsive adjustments */
@media (max-width: 768px) {

  .hero-badges-row {
    gap: 0.5rem;
  }
}

/* ==========================================================================
   MINI-CERTIFICATIONS IN ACHIEVEMENTS SECTION
   ========================================================================== */

.achievements-certs-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: 3.5rem 0 3rem 0;
}

.certs-sub-header {
  margin-bottom: 2rem;
}

.certs-sub-tag {
  display: inline-block;
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.certs-sub-title {
  font-size: 1.6rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.cert-mini-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.cert-mini-card {
  background-color: var(--bg-primary);
  border: 2px solid var(--accent-color);
  box-shadow: 4px 4px 0px 0px var(--accent-color);
  padding: 1.1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  height: 100%;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.cert-mini-card:hover {
  box-shadow: 6px 6px 0px 0px var(--accent-color);
  transform: translate(-2px, -2px);
}

.cert-mini-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.cert-mini-icon {
  font-size: 1.35rem;
  line-height: 1;
}

.cert-mini-issuer {
  font-family: 'Fira Code', monospace;
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cert-mini-name {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  flex-grow: 1;
}

.cert-mini-view-btn {
  display: inline-flex;
  align-items: center;
  font-family: 'Fira Code', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
  width: fit-content;
  text-decoration: none;
}

.cert-mini-view-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-color);
  background-color: var(--bg-secondary);
}

@media (max-width: 1200px) {
  .cert-mini-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .cert-mini-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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