:root {
  /* Light Mode - Original color scheme */
  --color-primary: #c04958;
  --color-secondary: #66003b;
  --color-accent: #2196f3;
  --color-dark: #04354b;
  --color-interactive: #20b2aa;
  --color-highlight: #a6dcef;
  --color-primary-rgb: 192, 73, 88;
  --color-secondary-rgb: 102, 0, 59;
  --color-accent-rgb: 33, 150, 243;
  --color-dark-rgb: 4, 53, 75;
  --color-interactive-rgb: 32, 178, 170;
  --color-highlight-rgb: 166, 220, 239;
  --bg-primary: #faf9f6;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border-color: #e5e5e5;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease-out;
}

[data-theme="dark"] {
  --bg-primary: #0c111c;
  --bg-secondary: #1a2333;
  --bg-card: #222c41;
  --text-primary: #ffffff;
  --text-secondary: #d1d5db;
  --text-muted: #9ca3af;
  --border-color: #39475e;
  --color-primary: #3b82f6; /* vivid blue */
  --color-accent: #a855f7; /* bright purple */
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.4);
}

[data-theme="gradient"] {
  /* Dual-Tone Gradient Mode - Deep Navy to Royal Purple */
  --bg-primary: linear-gradient(135deg, #0a0f2c, #4b0082);
  --bg-secondary: linear-gradient(135deg, #0a0f2c, #4b0082);
  --bg-card: rgba(255, 255, 255, 0.1);
  --text-primary: #eaeaea;
  --text-secondary: #bdbdbd;
  --text-muted: #888888;
  --border-color: rgba(255, 255, 255, 0.2);
  --color-primary: #c04958;
  --color-secondary: #66003b;
  --color-accent: #2196f3;
  --color-dark: #04354b;
  --color-interactive: #20b2aa;
  --color-highlight: rgba(166, 220, 239, 0.2);
  --color-primary-rgb: 192, 73, 88;
  --color-secondary-rgb: 102, 0, 59;
  --color-accent-rgb: 33, 150, 243;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.6);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
  min-height: 100vh;
}

[data-theme="gradient"] body {
  background-attachment: fixed;
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.95);
}

[data-theme="gradient"] .navbar {
  background: linear-gradient(135deg, #1e1e1e 60%, #4b0082 100%);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(20px);
  color: var(--text-primary);
}

.navbar-brand {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--text-primary) !important;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

[data-theme="gradient"] .navbar-brand {
  color: var(--text-primary) !important;
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  margin: 0 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-base);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary) !important;
  background: rgba(var(--color-primary-rgb), 0.1);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
}

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

.theme-switcher {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 1rem;
}

.theme-toggle {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  background: var(--bg-card);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.theme-icon {
  font-size: 1.2rem;
  color: var(--text-primary);
  transition: var(--transition);
}

.theme-toggle:hover {
  transform: scale(1.1);
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.3);
}

.theme-toggle:hover .theme-icon {
  color: var(--color-primary);
  transform: rotate(180deg);
}

/* Gradient theme special styling */
[data-theme="gradient"] .theme-toggle {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(15px);
}

[data-theme="gradient"] .theme-icon {
  color: rgba(255, 255, 255, 0.9);
}

[data-theme="gradient"] .theme-toggle:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(var(--color-accent-rgb), 0.4);
}

[data-theme="gradient"] .theme-toggle:hover .theme-icon {
  color: var(--color-accent);
}

@keyframes moonPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

@keyframes sunPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
  50% {
    opacity: 0.9;
    transform: scale(1.05) rotate(5deg);
  }
}

/* Progress Indicator */
.progress-indicator {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 1001;
  background: var(--bg-secondary);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  width: 0%;
  transition: width 0.1s ease-out;
}

/* Hero Section */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
  padding: 1.5rem 0 3rem;
}

[data-theme="light"] #hero,
[data-theme="dark"] #hero {
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
}

.hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -50%;
  width: 100%;
  height: 200%;
  background: radial-gradient(
    circle,
    var(--color-highlight) 0%,
    transparent 70%
  );
  opacity: 0.05;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(10deg);
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--space-xl);
  align-items: center;
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-left {
  min-width: 0;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
  line-height: 1.1;
}

.hero-subtitle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  min-height: 2rem;
}

/* Typing cursor: crisp blink */
.typing-cursor {
  display: inline-block;
  will-change: opacity;
  animation: blink 1s steps(1, end) infinite;
}

@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

/* Loading Animation (single source of truth) */
.loading {
  opacity: 0;
  transform: translateY(20px);
  animation: slideUp 0.6s ease-out forwards;
}

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

.hero-description {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  max-width: 90%;
}

.hero-counters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.counter-item {
  text-align: center;
  padding: var(--space-xs);
}

.counter-number {
  font-size: clamp(1.8rem, 3vw, 2.2rem);
  font-weight: 800;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.counter-label {
  font-size: clamp(0.75rem, 1vw, 0.85rem);
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  flex-wrap: wrap;
}

.hero-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  font-size: 1.1rem;
}

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.picture-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
}

.picture-placeholder {
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary),
    var(--color-accent)
  );
  padding: 6px;
  position: relative;
  transition: var(--transition);
  animation: pictureFloat 6s ease-in-out infinite;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  flex-shrink: 0;
}

@keyframes pictureFloat {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(2deg);
  }
}

.picture-placeholder:hover {
  transform: scale(1.05) rotate(5deg);
  box-shadow: 0 20px 40px rgba(192, 73, 88, 0.3);
}

.picture-inner {
  width: 100%;
  height: 100%;
  background: var(--bg-card);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  position: relative;
  overflow: hidden;
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  position: absolute;
  left: 0;
  z-index: 2;
  display: block;
}

.profile-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
}

.profile-initials {
  font-size: 4rem;
  font-weight: 700;
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.picture-content {
  display: none;
}

/* Remove all upload-related styles */
.upload-overlay,
.picture-placeholder.has-image .picture-content,
.picture-placeholder.has-image:hover .upload-overlay,
.picture-placeholder.has-image:hover .upload-overlay::before,
.picture-placeholder.drag-highlight,
.picture-placeholder.drag-highlight .upload-overlay {
  display: none !important;
}

/* Section Styles */
.section {
  padding: var(--space-2xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
#about {
  background: var(--bg-secondary);
}

[data-theme="gradient"] #about {
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-story {
  max-width: 1000px;
  margin: 0 auto;
}

.story-intro {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.story-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.story-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.timeline-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-xl);
}

.timeline-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-container::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(
    180deg,
    var(--color-primary),
    var(--color-accent)
  );
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: center;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-marker {
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  border: 4px solid var(--bg-secondary);
  box-shadow: 0 0 0 4px var(--color-primary);
}

.timeline-content {
  background: var(--bg-card);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  width: 45%;
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-right: auto;
  margin-left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: auto;
  margin-right: 0;
}

.timeline-content::before {
  content: "";
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  border: 10px solid transparent;
  transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
  right: -20px;
  border-left-color: var(--bg-card);
}

.timeline-item:nth-child(even) .timeline-content::before {
  left: -20px;
  border-right-color: var(--bg-card);
}

.timeline-year {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.timeline-event {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.timeline-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

.philosophy-section {
  margin-bottom: var(--space-xl);
}

.philosophy-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-xl);
}

.philosophy-grid {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: var(--space-md);
  flex-wrap: nowrap;
  max-width: 1200px;
  margin: 0 auto;
}

.philosophy-card {
  background: var(--bg-card);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  flex: 1;
  min-width: 250px;
  max-width: 280px;
}

.philosophy-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.philosophy-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: 1.8rem;
  color: white;
  transition: var(--transition);
}

.philosophy-card:hover .philosophy-icon {
  transform: scale(1.1) rotate(5deg);
}

.philosophy-heading {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.philosophy-text {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1.6;
}

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

.impact-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-xl);
}

.impact-stats {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: var(--space-md);
  flex-wrap: nowrap;
  max-width: 1200px;
  margin: 0 auto;
}

.impact-stat {
  background: var(--bg-card);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  flex: 1;
  min-width: 200px;
  max-width: 220px;
}

.impact-stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.stat-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.current-focus {
  background: var(--bg-card);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.focus-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.focus-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.focus-areas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.focus-area {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--bg-secondary);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.focus-area:hover {
  background: var(--color-highlight);
  transform: translateX(5px);
}

.focus-area i {
  color: var(--color-primary);
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
}

.focus-area span {
  color: var(--text-primary);
  font-weight: 500;
}

/* Projects Section */
#projects {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

[data-theme="dark"] #projects {
  background: var(--bg-secondary);
}

[data-theme="gradient"] #projects {
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

.project-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  overflow: hidden;
  height: 100%;
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .project-card:hover {
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* Project Image Styles */
.project-image-container {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .project-image {
  transform: scale(1.05);
}

/* Project Overlay */
.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5));
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-overlay-content h5 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.project-overlay-content p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* Center project overlay buttons */
.project-overlay-content .d-flex {
  justify-content: center;
}

/* Card Body Styles */
.project-card .card-body {
  padding: 1.5rem;
}

.project-card .card-title {
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.project-card .card-title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.project-card .card-title a:hover {
  color: var(--color-primary);
}

.project-card .card-text {
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

/* Tech Stack Badges */
.tech-stack .badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .tech-stack .badge.bg-light {
  background-color: var(--bg-secondary) !important;
  color: var(--text-secondary) !important;
  border-color: var(--border-color);
}

/* Portfolio Filter Styles */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 2px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: var(--transition);
}

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

.filter-btn:hover::before {
  left: 100%;
}

.filter-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
}

.filter-btn.active:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* Skills Section */
#skills {
  background: var(--bg-secondary);
}

[data-theme="gradient"] #skills {
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

.skills-content {
  max-width: 1000px;
  margin: 0 auto;
}

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

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

.skill-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  background: var(--bg-primary);
}

.skill-title {
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  font-size: 1.3rem;
  font-weight: 600;
}

.skill-progress-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.skill-progress-item {
  margin-bottom: var(--space-sm);
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.skill-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.skill-percentage {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.9rem;
}

.skill-progress-bar {
  height: 8px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  transition: var(--transition);
}

.skill-category:hover .skill-progress-bar {
  background: rgba(var(--color-primary-rgb, 192, 73, 88), 0.2);
}

.skill-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.skill-progress-fill::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: shimmer 2s infinite;
}

/* Services Section */
#services {
  background: var(--bg-primary);
}

[data-theme="gradient"] #services {
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

.services-grid {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: var(--space-md);
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  background: var(--bg-card);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
  flex: 1;
  min-width: 250px;
  max-width: 280px;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 1.8rem;
  color: white;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

.service-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.service-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
}

.service-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-features li {
  color: var(--text-secondary);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9rem;
}

.service-features li:last-child {
  border-bottom: none;
}

.service-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  backdrop-filter: blur(10px);
}

.cv-actions {
  margin-top: var(--space-md);
}

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

.cv-section {
  margin-bottom: var(--space-2xl);
  background: var(--bg-card);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.cv-section-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  border-bottom: 2px solid var(--color-highlight);
  padding-bottom: var(--space-sm);
}

.cv-summary p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.cv-education .education-item {
  background: var(--bg-secondary);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

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

.education-degree {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
}

.education-year {
  background: var(--color-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  display: inline-block;
}

.education-school {
  font-size: 1.1rem;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.education-gpa {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.coursework h5 {
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  font-size: 1rem;
}

.coursework-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.5rem;
  list-style: none;
  padding: 0;
}

.coursework-list li {
  background: var(--color-highlight);
  color: var(--color-dark);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9rem;
}

.languages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.language-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-secondary);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.language-name {
  font-weight: 600;
  color: var(--text-primary);
}

.language-level {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
}

.language-level.native {
  background: var(--color-primary);
  color: white;
}

.language-level.intermediate {
  background: var(--color-accent);
  color: white;
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  align-items: stretch;
}

.cert-item {
  position: relative;
  background: linear-gradient(180deg, var(--bg-card), var(--bg-secondary));
  padding: calc(var(--space-lg) + 2px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  overflow: hidden;
}
.cert-item::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.cert-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(0,0,0,.12);
}

.cert-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  line-height: 1.3;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cert-duration {
  background: rgba(var(--color-primary-rgb), .12);
  color: var(--color-primary);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 0.6rem;
  border: 1px solid rgba(var(--color-primary-rgb), .25);
}

.cert-provider {
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.cert-description {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* Accordion Styles */
.accordion {
  --bs-accordion-border-color: var(--border-color);
  --bs-accordion-bg: var(--bg-card);
  --bs-accordion-border-radius: var(--radius-lg);
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

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

.accordion-button {
  background: var(--bg-card);
  color: var(--text-primary);
  border: none;
  padding: var(--space-lg);
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition);
  box-shadow: none;
}

.accordion-button:not(.collapsed) {
  background: var(--bg-secondary);
  color: var(--color-primary);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(var(--color-primary-rgb, 192, 73, 88), 0.25);
  border-color: var(--color-primary);
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23c04958'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  transition: var(--transition);
}

.accordion-button:not(.collapsed)::after {
  transform: rotate(-180deg);
}

.accordion-body {
  padding: 0 var(--space-lg) var(--space-lg);
  background: var(--bg-card);
  margin-top: 0;
}

.accordion-collapse {
  border-top: none;
  padding-top: var(--space-sm);
}

/* Contact Section */
#contact {
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 50%,
      rgba(var(--color-primary-rgb), 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(var(--color-accent-rgb), 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 80%,
      rgba(var(--color-interactive-rgb), 0.08) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.contact-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.contact-intro::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-accent),
    var(--color-interactive)
  );
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.contact-text {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  font-weight: 400;
}

.contact-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: white;
  text-decoration: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(var(--color-primary-rgb), 0.3);
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.contact-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--color-primary-rgb), 0.4);
  color: white;
}

.contact-cta:hover::before {
  left: 100%;
}

.contact-cta i {
  font-size: 1.2rem;
  transition: var(--transition);
}

.contact-cta:hover i {
  transform: translateX(2px);
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-md);
}

.contact-card {
  background: var(--bg-card);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  min-height: 220px;
  max-height: 260px;
  justify-content: center;
  aspect-ratio: 1.2 / 1;
}

.contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    transparent 0%,
    rgba(var(--color-primary-rgb), 0.05) 100%
  );
  opacity: 0;
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: 0 15px 40px rgba(var(--color-primary-rgb), 0.15);
  color: var(--text-primary);
}

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

/* Special styling for location card */
.contact-card.location-card {
  background: linear-gradient(
    135deg,
    var(--color-interactive),
    var(--color-accent)
  );
  color: white;
  border-color: var(--color-interactive);
}

.contact-card.location-card .contact-card-icon {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.contact-card.location-card .contact-card-title,
.contact-card.location-card .contact-card-text {
  color: white;
}

.contact-card.location-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 15px 40px rgba(var(--color-interactive-rgb), 0.3);
  color: white;
}

.contact-card.location-card::before {
  background: linear-gradient(
    135deg,
    transparent 0%,
    rgba(255, 255, 255, 0.1) 100%
  );
}

.contact-card-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.8rem;
  color: white;
  transition: var(--transition);
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.contact-card:hover .contact-card-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 10px 30px rgba(var(--color-primary-rgb), 0.3);
}

.contact-card-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  position: relative;
  z-index: 1;
  line-height: 1.3;
  max-width: 100%;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

.contact-card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
  position: relative;
  z-index: 1;
  max-width: 100%;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
  flex-grow: 1;
  display: flex;
  align-items: center;
  text-align: center;
  justify-content: center;
  padding: 0 var(--space-xs);
}

/* Special styling for email card text */
.contact-card[href*="mailto"] .contact-card-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.1);
  padding: var(--space-sm);
  border-radius: var(--radius-base);
  margin: 0;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border: 1px solid rgba(var(--color-primary-rgb), 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-sizing: border-box;
}

.contact-card[href*="mailto"]:hover .contact-card-text {
  background: rgba(var(--color-primary-rgb), 0.15);
  border-color: rgba(var(--color-primary-rgb), 0.3);
  color: var(--color-secondary);
}

/* GitHub card text styling */
.contact-card[href*="github"] .contact-card-text {
  font-weight: 600;
  color: var(--text-primary);
}

/* LinkedIn card text styling */
.contact-card[href*="linkedin"] .contact-card-text {
  font-weight: 600;
  color: var(--text-primary);
}

/* Location card text (already has special styling) */
.contact-card.location-card .contact-card-text {
  color: white;
  font-weight: 500;
  font-size: 0.95rem;
}

/* Enhanced Mobile Responsiveness */
@media (max-width: 1200px) {
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 992px) {
  .contact-card-text {
    font-size: 0.9rem;
  }

  .contact-card[href*="mailto"] .contact-card-text {
    font-size: 0.75rem;
    padding: var(--space-sm);
    white-space: nowrap;
  }
}

@media (max-width: 768px) {
  .contact-card-text {
    font-size: 0.9rem;
    line-height: 1.4;
  }

  .contact-card[href*="mailto"] .contact-card-text {
    font-size: 0.7rem;
    padding: var(--space-xs) var(--space-sm);
    line-height: 1.3;
    white-space: normal;
    word-break: break-all;
    text-overflow: unset;
    overflow: visible;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    max-width: calc(100% - var(--space-md));
    margin: 0 auto;
  }
}

@media (max-width: 576px) {
  .contact-card-text {
    font-size: 0.85rem;
    line-height: 1.4;
  }

  .contact-card[href*="mailto"] .contact-card-text {
    font-size: 0.65rem;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    min-height: 2rem;
    max-width: calc(100% - var(--space-sm));
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
  }
  /* Ultra-mobile typography improvements */
  .hero-title {
    font-size: clamp(1.5rem, 8vw, 2rem) !important;
    line-height: 1.25;
  }

  .hero-subtitle {
    font-size: clamp(0.9rem, 4.5vw, 1.1rem) !important;
  }

  .section-title {
    font-size: clamp(1.5rem, 7vw, 2rem) !important;
    margin-bottom: 1.5rem;
    text-align: center;
  }

  .section-subtitle {
    font-size: clamp(0.85rem, 3.8vw, 1rem) !important;
    margin-bottom: 2rem;
    text-align: center;
  }

  /* Improved spacing for small screens */
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .section {
    padding: 3rem 0;
  }

  .hero {
    padding: 4rem 0 3rem;
  }

  /* Button sizing */
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }

  .project-btn {
    padding: 0.7rem 1.2rem;
    font-size: 0.85rem;
  }

  /* Enhanced project typography */
  .project-title {
    font-size: clamp(1rem, 4vw, 1.2rem) !important;
    line-height: 1.3;
  }

  .feature-card h4,
  .service-title {
    font-size: clamp(0.95rem, 3.5vw, 1.1rem) !important;
  }
}

@media (max-width: 480px) {
  .contact-card-text {
    font-size: 0.8rem;
    line-height: 1.3;
  }

  .contact-card[href*="mailto"] .contact-card-text {
    font-size: 0.6rem;
    padding: 0.3rem 0.5rem;
    line-height: 1.2;
    letter-spacing: -0.01em;
    max-width: calc(100% - var(--space-xs));
  }
}

@media (max-width: 400px) {
  .contact-card-text {
    font-size: 0.75rem;
  }

  .contact-card[href*="mailto"] .contact-card-text {
    font-size: 0.55rem;
    padding: 0.25rem 0.4rem;
    border-radius: 4px;
    max-width: calc(100% - 0.5rem);
    line-height: 1.1;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: white;
}

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: var(--shadow-hover);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
  z-index: 999;
}

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

.back-to-top:hover {
  background: var(--color-secondary);
  transform: translateY(-3px);
}

/* Footer Styles */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-xl) 0;
  text-align: center;
  margin-top: var(--space-2xl);
}

/* Text Modal */
.text-modal { position: fixed; inset: 0; display: none; z-index: 1050; }
.text-modal.show { display: block; }
.text-modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.4); backdrop-filter: blur(2px); }
.text-modal-dialog { position: relative; margin: 10vh auto; max-width: 680px; background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border-color); border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); padding: var(--space-lg); }
.text-modal-title { margin: 0 0 .5rem; font-size: 1.1rem; font-weight: 700; }
.text-modal-body { line-height: 1.7; color: var(--text-secondary); }
.text-modal-close { position: absolute; top: .5rem; right: .75rem; border: 0; background: transparent; color: var(--text-secondary); font-size: 1.5rem; cursor: pointer; }
@media (max-width: 640px) { .text-modal-dialog { margin: 12vh 1rem; padding: var(--space-md); } }

.footer-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

/* Enhanced Mobile Navigation */
.navbar-toggler {
  border: none;
  padding: 0.25rem 0.5rem;
  font-size: 1.25rem;
  background: transparent;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833, 37, 41, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  width: 1.5em;
  height: 1.5em;
}

[data-theme="dark"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-theme="gradient"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Compact mobile layout (<=640px) */
@media (max-width: 640px) {
  .section { padding: var(--space-lg) 0; }
  .section-header { margin-bottom: var(--space-lg); }
  .cv-content { grid-template-columns: 1fr !important; gap: var(--space-lg); }
  .cv-section { padding: var(--space-lg); border-radius: var(--radius-md); }
  .cv-section-title { font-size: 1.2rem; margin-bottom: .75rem; }

  /* Open accordions and simplify UI */
  #cv .accordion-button { display: none; }
  #cv .accordion-item { border: 0; background: transparent; box-shadow: none; margin: 0; }
  #cv .accordion-collapse { display: block !important; height: auto !important; visibility: visible !important; }
  #cv .accordion-body { padding: 0; background: transparent; }

  /* Tight chips and grids */
  .languages-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; }
  .language-item { background: transparent; border: 0; padding: .25rem 0; justify-content: flex-start; gap: .5rem; }
  .language-level { font-size: .7rem; padding: .15rem .5rem; }

  .certifications-grid { grid-template-columns: 1fr; gap: var(--space-sm); }
  .cert-name { font-size: 1rem; }
  .cert-description { font-size: 0.9rem; line-height: 1.6; }

  /* Clamp long text to 2 lines for readability */
  .cv-summary p,
  .cert-description {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* Education layout */
  .education-header { flex-direction: column; align-items: flex-start; gap: .25rem; }
  .coursework-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .4rem; }
  .coursework-list li { font-size: .8rem; padding: .35rem .6rem; }
}

/* Mobile-first Hero Section Adjustments */
@media (max-width: 991px) {
  /* Center all content containers */
  .container {
    text-align: center;
  }

  /* Enhanced hero responsiveness */
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
    padding: 0 1rem;
    justify-items: center;
  }

  .hero-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
  }

  .hero-right {
    order: -1;
    margin-bottom: var(--space-md);
    display: flex;
    justify-content: center;
  }

  .picture-placeholder {
    width: 260px;
    height: 260px;
    margin: 0 auto;
  }

  .hero-actions {
    justify-content: center;
    flex-wrap: wrap;
    max-width: 400px;
    margin: var(--space-lg) auto;
    width: 100%;
  }

  .hero-counters {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    margin: var(--space-md) auto;
    max-width: 380px;
    justify-items: center;
  }

  .hero-social {
    justify-content: center;
    margin: var(--space-md) auto 0;
  }

  .hero-description {
    max-width: 100%;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }

  /* Center timeline */
  .timeline-container {
    margin: 0 auto;
    padding: 0 1rem;
  }

  .timeline-container::before {
    left: 25px;
  }

  .timeline-item {
    flex-direction: row !important;
    padding-left: 50px;
    justify-content: flex-start;
  }

  .timeline-marker {
    left: 25px;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
  }

  .timeline-content {
    width: 100%;
    margin: 0 !important;
    text-align: left;
  }

  .timeline-content::before {
    left: -18px !important;
    right: auto !important;
    border-right-color: var(--bg-card) !important;
    border-left-color: transparent !important;
    border-width: 9px;
  }

  /* Center all card layouts */
  .philosophy-grid,
  .impact-stats,
  .services-grid {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    justify-content: center;
  }

  .philosophy-card,
  .impact-stat,
  .service-card {
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
  }

  /* Center skills section */
  .skills-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    justify-items: center;
  }

  .skill-category {
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
  }

  /* Center projects grid */
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
  }

  .project-card {
    max-width: 450px;
    width: 100%;
    margin: 0 auto;
  }

  /* Center contact cards */
  .contact-cards {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    max-width: 400px;
    margin: 0 auto;
    justify-items: center;
  }

  /* Center about section content */
  .about-story {
    text-align: center;
  }

  .story-intro,
  .philosophy-section,
  .impact-section,
  .current-focus {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }

  /* Center focus areas */
  .focus-areas {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    justify-items: center;
    max-width: 400px;
    margin: var(--space-xl) auto 0;
  }

  .focus-area {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 768px) {
  /* Enhanced mobile navigation */
  .navbar {
    padding: 0.75rem 1rem;
  }

  .navbar-brand {
    font-size: 1.25rem;
  }

  .navbar-collapse {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 12px;
    margin-top: 1rem;
    padding: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  }

  [data-theme="dark"] .navbar-collapse {
    background: rgba(15, 23, 42, 0.98);
  }

  .nav-link {
    margin: 0.25rem 0;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    text-align: center;
  }

  /* Enhanced typography scaling */
  .hero-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    line-height: 1.3;
    margin-bottom: 1.25rem;
    word-break: break-word;
  }

  .hero-subtitle {
    font-size: clamp(1rem, 4vw, 1.25rem);
    line-height: 1.4;
  }

  .hero-description {
    font-size: clamp(0.9rem, 3.8vw, 1.1rem);
    line-height: 1.7;
    margin-bottom: 2rem;
    color: var(--text-secondary);
  }

  .section-title {
    font-size: clamp(1.8rem, 6.5vw, 2.5rem);
    line-height: 1.3;
    text-align: center;
    margin-bottom: 1.5rem;
  }

  .section-subtitle {
    font-size: clamp(0.95rem, 4vw, 1.15rem);
    text-align: center;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
  }

  .project-title {
    font-size: clamp(1.1rem, 4.5vw, 1.3rem);
    line-height: 1.4;
    margin-bottom: 1rem;
  }

  .project-description {
    font-size: clamp(0.85rem, 3.8vw, 0.95rem);
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
  }

  .feature-card h4,
  .service-title {
    font-size: clamp(1rem, 4vw, 1.2rem);
    line-height: 1.4;
    margin-bottom: 1rem;
  }

  .feature-card p,
  .service-card p {
    font-size: clamp(0.85rem, 3.5vw, 0.95rem);
    line-height: 1.6;
    color: var(--text-secondary);
  }

  /* Better paragraph readability */
  p {
    font-size: clamp(0.9rem, 3.8vw, 1rem);
    line-height: 1.7;
    margin-bottom: 1.25rem;
  }

  /* Improve list readability */
  ul li,
  ol li {
    font-size: clamp(0.85rem, 3.8vw, 0.95rem);
    line-height: 1.6;
    margin-bottom: 0.5rem;
  }

  /* Enhanced navigation centering */
  .navbar {
    padding: 0.75rem 1rem;
    text-align: center;
  }

  .navbar-brand {
    font-size: 1.2rem;
    margin: 0 auto;
  }

  .navbar-collapse {
    margin-top: 1rem;
    text-align: center;
  }

  .navbar-nav {
    align-items: center;
    text-align: center;
  }

  .nav-link {
    padding: 0.75rem 1rem;
    margin: 0.25rem auto;
    text-align: center;
    border-radius: var(--radius-base);
    display: block;
    width: fit-content;
  }

  .theme-toggle {
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
    margin: 1rem auto 0;
    display: block;
  }

  /* Enhanced hero section centering */
  #hero {
    padding: 2.5rem 0 2rem;
    min-height: auto;
    text-align: center;
  }

  .hero-content {
    gap: var(--space-md);
    padding: 0 0.75rem;
    justify-items: center;
    align-items: center;
  }

  .hero-left {
    align-items: center;
    text-align: center;
  }

  .picture-placeholder {
    width: 220px;
    height: 220px;
    margin: 0 auto;
  }

  .hero-title {
    font-size: 1.8rem;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
    text-align: center;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
    justify-content: center;
    text-align: center;
  }

  .hero-description {
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
    line-height: 1.5;
    text-align: center;
    max-width: 100%;
  }

  .hero-counters {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs);
    margin: var(--space-md) auto;
    padding: var(--space-sm) 0;
    max-width: 280px;
    justify-items: center;
  }

  .counter-item {
    padding: var(--space-xs);
    text-align: center;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    margin: var(--space-md) auto;
    max-width: 280px;
    width: 100%;
  }

  .btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
    min-height: 48px;
    text-align: center;
    justify-content: center;
  }

  .social-link {
    width: 2.2rem;
    height: 2.2rem;
    font-size: 1rem;
    min-height: 44px;
    min-width: 44px;
  }

  .hero-social {
    justify-content: center;
    margin: var(--space-md) auto 0;
  }

  /* Enhanced section centering */
  .section {
    padding: var(--space-xl) 0;
    text-align: center;
  }

  .section-header {
    margin-bottom: var(--space-lg);
    padding: 0 1rem;
    text-align: center;
  }

  .section-title,
  .section-subtitle {
    text-align: center;
  }

  /* Enhanced story sections centering */
  .story-intro,
  .story-title,
  .story-text {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }

  .timeline-title,
  .philosophy-title,
  .impact-title,
  .focus-title {
    text-align: center;
  }

  /* Enhanced CV section centering */
  .cv-content {
    padding: 0 1rem;
    text-align: center;
  }

  .cv-section {
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    text-align: left;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  .cv-section-title {
    font-size: 1.4rem;
    text-align: center;
  }

  /* Enhanced accordion centering */
  .accordion {
    max-width: 500px;
    margin: 0 auto;
  }

  .accordion-button {
    padding: var(--space-md);
    font-size: 0.95rem;
    text-align: center;
    justify-content: center;
  }

  /* Enhanced education section centering */
  .education-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-xs);
  }

  .education-degree,
  .education-school,
  .education-gpa {
    text-align: center;
  }

  .coursework {
    text-align: center;
  }

  .coursework h5 {
    text-align: center;
  }

  .coursework-list {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  /* Enhanced certifications and languages centering */
  .languages-grid,
  .certifications-grid {
    grid-template-columns: 1fr;
    justify-items: center;
    max-width: 400px;
    margin: 0 auto;
  }

  .language-item,
  .cert-item {
    width: 100%;
    max-width: 350px;
    margin: 0 auto;
  }

  /* Enhanced portfolio filters centering */
  .portfolio-filters {
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
    padding: 0 1rem;
    justify-content: center;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    min-height: 40px;
  }

  /* Enhanced project cards centering */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    max-width: 500px;
    margin: 0 auto;
  }

  .project-card {
    max-width: 100%;
    margin: 0;
    padding: 1.25rem;
  }

  .project-header {
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    text-align: center;
    margin-bottom: var(--space-sm);
  }

  .project-links {
    margin-top: var(--space-xs);
  }

  .project-tech {
    justify-content: center;
    margin: var(--space-sm) 0;
  }

  .tech-tag {
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
  }

  .project-highlights {
    justify-content: center;
  }

  .highlight {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
  }

  /* CV section cards */
  .cv-section {
    max-width: 550px;
    margin: 0 auto var(--space-lg);
    padding: var(--space-lg);
  }

  .education-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-xs);
  }

  .education-degree {
    font-size: 1.1rem;
    text-align: center;
    line-height: 1.3;
  }

  .education-school {
    font-size: 1rem;
    text-align: center;
  }

  .coursework-list {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }

  .coursework-list li {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
    text-align: center;
  }
}

/* Additional text handling improvements */
.card-text-content {
  overflow: hidden;
  text-overflow: ellipsis;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

/* Ensure all card grids are properly centered and responsive */
@media (max-width: 991px) {
  .skills-grid {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: var(--space-lg);
  }

  .skill-category {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
  }

  .focus-areas {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
    max-width: 450px;
    margin: var(--space-lg) auto 0;
  }

  .focus-area {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
  }
}

/* Enhanced card hover states for mobile */
@media (hover: hover) {
  .philosophy-card:hover,
  .impact-stat:hover,
  .service-card:hover,
  .contact-card:hover,
  .project-card:hover,
  .cert-item:hover {
    transform: translateY(-4px);
  }
}

/* Disable hover effects on touch devices */
@media (hover: none) {
  .philosophy-card:hover,
  .impact-stat:hover,
  .service-card:hover,
  .contact-card:hover,
  .project-card:hover,
  .cert-item:hover {
    transform: none;
  }
}

/* === DEEP-PROFESSIONAL OVERRIDE =============================== */
/* place AFTER all other theme rules                              */
:root {
  --color-deep: #121212; /* new master dark tone */
  --color-deep-rgb: 18, 18, 18;
}

/* Replace the first stop of every existing gradient */
[data-theme="gradient"] {
  /* map old “root” colours to the new one */
  --color-void: var(--color-deep);
  --color-obsidian: var(--color-deep);

  /* flatten large area backgrounds to a solid charcoal */
  --bg-primary: var(--color-deep);
  --bg-secondary: #1a1a1a; /* slightly lighter surface */
  --bg-card: #1e1e1e;
  --bg-card-hover: #242424;

  /* keep all jewel-tone accent variables as-is so buttons, badges,
     etc. still pop against the neutral base */
}

/* body picks up the updated colour automatically */

/* === FONT COLOR OVERRIDES FOR THEMES === */

/* Gradient Theme */
[data-theme="gradient"] {
  --text-primary: #eaeaea;
  --text-secondary: #bdbdbd;
  --text-muted: #888888;

  .coursework-list li {
    color: var(--text-secondary);
  }
}

/* Ensure all text elements use the variables */
body,
p,
h1,
h2,
h3,
h4,
h5,
h6,
.section-title,
.section-subtitle,
.hero-title,
.hero-subtitle,
.hero-description,
.story-title,
.story-text,
.timeline-title,
.timeline-year,
.timeline-event,
.timeline-description,
.philosophy-title,
.philosophy-heading,
.philosophy-text,
.impact-title,
.stat-label,
.stat-description,
.focus-title,
.focus-text,
.focus-area span,
.skill-title,
.skill-name,
.skill-percentage,
.tech-stack .badge,
.tech-tag,
.highlight,
.service-title,
.service-description,
.service-features,
.cv-section-title,
.cv-summary p,
.education-degree,
.education-school,
.education-gpa,
.coursework h5,
.language-name,
.language-level,
.cert-name,
.cert-provider,
.cert-description,
.contact-card-text,
.footer-text {
  color: var(--text-primary);
}

/* Secondary and muted text */
.section-subtitle,
.hero-description,
.story-text,
.timeline-description,
.philosophy-text,
.impact-title,
.stat-description,
.focus-text,
.service-description,
.service-features,
.cv-summary p,
.education-gpa,
.cert-description,
.contact-card-text,
.footer-text {
  color: var(--text-secondary);
}

.text-muted {
  color: var(--text-muted) !important;
}

.text-decoration-none {
  text-decoration: none !important;
}

/* Adaptive text-dark for both light and dark/gradient themes */
.text-dark {
  color: var(--text-primary) !important;
}

[data-theme="gradient"] .badge.bg-light.text-dark {
  background: rgba(255, 255, 255, 0.08) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color) !important;
}
@media (max-width: 768px) {
  [data-theme="gradient"] .navbar {
    background: linear-gradient(135deg, #181c2f 80%, #3a185c 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    color: #eaeaea !important;
  }
  [data-theme="gradient"] .navbar-collapse {
    background: #181c2f;
    color: #eaeaea;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  }
  [data-theme="gradient"] .nav-link {
    color: #bdbdbd !important;
  }
  [data-theme="gradient"] .navbar-brand {
    color: #eaeaea !important;
  }
}