@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* --- DESIGN TOKENS & VARIABLES --- */
:root {
  /* Font Families */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Common Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.12);
  --shadow-primary: 0 8px 24px rgba(139, 92, 246, 0.25);

  /* Border Radii */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Theme: Dark Mode (Default) */
  --bg-primary: #030712;      /* Deeper black-slate */
  --bg-secondary: #0b0f19;    /* Deeper navy-slate */
  --surface-primary: rgba(17, 24, 39, 0.65); /* Rich translucent glass */
  --surface-secondary: rgba(31, 41, 55, 0.7);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(139, 92, 246, 0.5);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-primary: #8b5cf6;      /* Neon Violet */
  --accent-primary-hover: #7c3aed;
  --accent-secondary: #f43f5e;    /* Rose Pink */
  --accent-secondary-hover: #e11d48;
  --accent-success: #10b981;      /* Emerald */
  --accent-warning: #f59e0b;      /* Amber */

  --gradient-brand: linear-gradient(135deg, #8b5cf6 0%, #f43f5e 100%);
  --gradient-text: linear-gradient(135deg, #ffffff 20%, #f472b6 100%);
  --gradient-card: linear-gradient(135deg, rgba(21, 31, 56, 0.45) 0%, rgba(15, 23, 42, 0.45) 100%);
  --glass-bg: rgba(11, 15, 25, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
}

/* Light Theme Overrides */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --surface-primary: rgba(255, 255, 255, 0.85);
  --surface-secondary: #e2e8f0;
  --border-color: rgba(0, 0, 0, 0.06);
  --border-focus: rgba(124, 58, 237, 0.5);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --accent-primary: #7c3aed;      /* Violet Darker */
  --accent-primary-hover: #6d28d9;
  --accent-secondary: #e11d48;    /* Rose Darker */
  --accent-secondary-hover: #be123c;
  --accent-success: #059669;
  --accent-warning: #d97706;

  --gradient-brand: linear-gradient(135deg, #7c3aed 0%, #e11d48 100%);
  --gradient-text: linear-gradient(135deg, #0f172a 30%, #7c3aed 100%);
  --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(241, 245, 249, 0.8) 100%);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.08);
  --shadow-primary: 0 8px 24px rgba(124, 58, 237, 0.15);
}

/* --- RESET & BASE STYLES --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

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

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  outline: none;
}

ul {
  list-style: none;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--surface-secondary);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* --- REUSABLE UTILITIES --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 60px;
  height: 4px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 50px;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(6, 182, 212, 0.35);
}

.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--accent-primary);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(6, 182, 212, 0.1);
  transform: translateY(-2px);
}

.glass-card {
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(6, 182, 212, 0.3);
}

/* --- NAVIGATION HEADER --- */
header {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 40px);
  max-width: 1200px;
  border-radius: var(--radius-full);
  z-index: 100;
  background: rgba(10, 15, 29, 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
}

header.scrolled {
  top: 10px;
  background: var(--glass-bg);
  box-shadow: var(--shadow-lg);
  border-color: rgba(6, 182, 212, 0.25);
  max-width: 1100px;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: width var(--transition-fast);
  border-radius: var(--radius-full);
}

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

.controls-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Theme Switcher Toggle */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--surface-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--surface-secondary);
  transform: scale(1.05);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  padding: 8px;
}

/* --- HERO SECTION --- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  overflow: hidden;
  position: relative;
}

.hero-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  z-index: 1;
  opacity: 0.15;
  pointer-events: none;
  background-image: url('abstract_bg.svg');
  background-size: cover;
  background-position: center right;
  mask-image: linear-gradient(to left, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  z-index: 2;
  position: relative;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-primary);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(6, 182, 212, 0.15);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-socials {
  display: flex;
  gap: 20px;
  align-items: center;
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--surface-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

/* Floating interactive visualization in hero */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.visual-sphere {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  border-radius: var(--radius-full);
  filter: blur(60px);
  position: absolute;
  z-index: 1;
  opacity: 0.3;
  animation: pulse-sphere 8s infinite alternate ease-in-out;
}

.interactive-mock-card {
  z-index: 2;
  position: relative;
  width: 100%;
  max-width: 380px;
}

.card-header-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.mock-stat {
  margin-bottom: 20px;
}

.mock-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.mock-stat-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

.mock-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 100px;
  padding-top: 10px;
  border-bottom: 1.5px solid var(--border-color);
}

.mock-bar {
  flex: 1;
  background: var(--gradient-brand);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: height 1s ease-in-out;
}

/* --- ABOUT & EDUCATION --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: start;
}

.about-summary {
  font-size: 1.1rem;
}

.about-summary p {
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.highlight-item {
  padding: 16px;
  border-left: 3px solid var(--accent-primary);
  background: var(--surface-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.highlight-num {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-primary);
}

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

/* Timeline */
.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

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

.timeline-dot {
  position: absolute;
  left: -30px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--bg-primary);
  border: 4px solid var(--accent-primary);
  z-index: 2;
}

.timeline-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 6px;
}

.timeline-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 12px;
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.timeline-desc li {
  margin-left: 16px;
  list-style-type: disc;
  margin-bottom: 6px;
}

/* --- SKILLS SECTION --- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.skill-category-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  margin-bottom: 24px;
  color: var(--accent-primary);
}

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

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

.skill-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 500;
}

.skill-bar-bg {
  height: 8px;
  background: var(--surface-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  width: 0; /* Animated dynamically with JS */
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Special Algorithmic Challenges Badge Card */
.challenge-card {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 20px;
}

.challenge-info {
  flex: 1;
}

.challenge-info h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.challenge-info p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.badge-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badge-tag {
  background: var(--surface-secondary);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.challenge-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 120px;
  height: 120px;
}

.progress-circle {
  transform: rotate(-90deg);
}

.progress-circle-bg {
  fill: none;
  stroke: var(--surface-secondary);
  stroke-width: 8;
}

.progress-circle-val {
  fill: none;
  stroke: var(--accent-primary);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: 283; /* Animated with JS */
  transition: stroke-dashoffset 1.5s ease-in-out;
}

.progress-text {
  position: absolute;
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.progress-text span {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
}



/* --- PROJECTS --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

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

.project-image-placeholder {
  height: 180px;
  background: var(--surface-secondary);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-visual-icon {
  font-size: 3rem;
  color: var(--accent-primary);
  opacity: 0.4;
  transition: transform 0.5s ease;
}

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

.project-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.project-tag {
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-primary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.project-title {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex: 1;
}

.project-desc li {
  list-style-type: disc;
  margin-left: 16px;
  margin-bottom: 6px;
}

.project-links {
  display: flex;
  gap: 16px;
}

.project-link {
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-primary);
}

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

/* --- CERTIFICATIONS & ACHIEVEMENTS --- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.cert-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.cert-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.cert-info h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.cert-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --- CONTACT SECTION --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: center;
}

.contact-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: var(--surface-primary);
  border: 1px solid var(--border-color);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.contact-info-item:hover .contact-icon {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.contact-info-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.contact-info-text a, .contact-info-text span {
  font-size: 1.05rem;
  font-weight: 600;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.contact-input {
  width: 100%;
  background: var(--surface-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  outline: none;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--border-focus);
}

textarea.contact-input {
  min-height: 160px;
  resize: vertical;
}

/* Form feedback message styles */
.form-feedback {
  padding: 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-align: center;
  font-size: 0.95rem;
  display: none;
  animation: fadeIn 0.3s ease;
}

.form-feedback.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-success);
  border: 1px solid var(--accent-success);
}

.form-feedback.error {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid #ef4444;
}

/* --- FOOTER --- */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.footer-logo {
  font-size: 1.4rem;
  font-weight: 800;
}

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

.footer-socials {
  display: flex;
  gap: 16px;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- ANIMATIONS --- */
@keyframes pulse-sphere {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.15) translate(10px, -20px); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.appear {
  opacity: 1;
  transform: translateY(0);
}

/* --- RESPONSIVENESS --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 50px;
  }

  .hero-bg {
    width: 100%;
    opacity: 0.08;
    mask-image: radial-gradient(circle, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 100%);
    -webkit-mask-image: radial-gradient(circle, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 100%);
  }

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

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

  .hero-title {
    font-size: 3.5rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }


  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-primary);
    flex-direction: column;
    padding: 50px 0;
    gap: 24px;
    transition: left var(--transition-normal);
    border-top: 1px solid var(--border-color);
  }

  .nav-links.active {
    left: 0;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 60px 0;
  }
  .section {
    padding: 60px 0;
  }
}

/* ==========================================
   GLOWING ORBS, FLOATING BADGES & PROJECT MOCKUPS
   ========================================== */

/* Glowing Orbs */
.glowing-orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(120px);
  z-index: 0;
  pointer-events: none;
  opacity: 0.15;
  mix-blend-mode: screen;
}
.orb-1 {
  top: 10%;
  left: 5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
  animation: float-orb 15s infinite alternate ease-in-out;
}
.orb-2 {
  top: 45%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
  animation: float-orb 20s infinite alternate-reverse ease-in-out;
}
.orb-3 {
  bottom: 10%;
  left: 10%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, var(--accent-success) 0%, transparent 70%);
  animation: float-orb 18s infinite alternate ease-in-out;
}

@keyframes float-orb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -40px) scale(1.1); }
  100% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Floating Tech Badges in Hero */
.floating-badge {
  position: absolute;
  z-index: 5;
  background: var(--surface-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-md);
  pointer-events: none;
}
.fb-1 {
  top: 15%;
  left: -5%;
  animation: float-badge 6s infinite alternate ease-in-out;
}
.fb-2 {
  bottom: 20%;
  right: -5%;
  animation: float-badge 7s infinite alternate-reverse ease-in-out;
}
.fb-3 {
  bottom: 60%;
  left: -10%;
  animation: float-badge 5s infinite alternate ease-in-out;
}

@keyframes float-badge {
  0% { transform: translateY(0) rotate(0); }
  100% { transform: translateY(-15px) rotate(2deg); }
}

/* Project Visual Mockups Styles */
.project-image-placeholder {
  height: 200px;
  background: var(--surface-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.project-card:hover .project-image-placeholder {
  border-color: rgba(6, 182, 212, 0.3);
  background: var(--surface-secondary);
}

/* Power BI Mockup Styling */
.mock-pbi-dashboard {
  width: 100%;
  height: 100%;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-body);
}

.mock-pbi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

.mock-pbi-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.mock-pbi-filters {
  display: flex;
  gap: 4px;
}

.mock-pbi-filter-pill {
  font-size: 0.6rem;
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-primary);
  padding: 2px 6px;
  border-radius: var(--radius-full);
}

.mock-pbi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.mock-pbi-kpi {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mock-pbi-kpi-label {
  font-size: 0.55rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.mock-pbi-kpi-val {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.mock-pbi-kpi-trend {
  font-size: 0.5rem;
  color: var(--accent-success);
}

.mock-pbi-charts {
  flex: 1;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 8px;
  height: 70px;
}

.mock-pbi-bar-chart {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
}

.mock-pbi-bar {
  flex: 1;
  background: var(--gradient-brand);
  border-radius: 2px 2px 0 0;
  height: 20%;
  transition: height 0.6s ease;
}

.mock-pbi-bar:nth-child(1) { height: 35%; }
.mock-pbi-bar:nth-child(2) { height: 60%; }
.mock-pbi-bar:nth-child(3) { height: 45%; }
.mock-pbi-bar:nth-child(4) { height: 80%; }
.mock-pbi-bar:nth-child(5) { height: 50%; }

.project-card:hover .mock-pbi-bar:nth-child(1) { height: 45%; }
.project-card:hover .mock-pbi-bar:nth-child(2) { height: 75%; }
.project-card:hover .mock-pbi-bar:nth-child(3) { height: 60%; }
.project-card:hover .mock-pbi-bar:nth-child(4) { height: 95%; }
.project-card:hover .mock-pbi-bar:nth-child(5) { height: 80%; }

.mock-pbi-donut-chart {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
}

.mock-donut-ring {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: conic-gradient(var(--accent-primary) 0% 70%, var(--accent-secondary) 70% 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.8s ease;
}

.mock-donut-center {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: #111827;
}
[data-theme="light"] .mock-donut-center {
  background: #fff;
}

.project-card:hover .mock-donut-ring {
  transform: rotate(45deg);
}

/* Python ML Mockup Styling */
.mock-ide-window {
  width: 100%;
  height: 100%;
  background: #0d1117;
  display: flex;
  flex-direction: column;
  font-family: 'Courier New', Courier, monospace;
}

.mock-ide-header {
  height: 28px;
  background: #161b22;
  display: flex;
  align-items: center;
  padding: 0 10px;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mock-ide-dots {
  display: flex;
  gap: 5px;
}

.mock-ide-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}

.mock-ide-dot:nth-child(1) { background: #ff5f56; }
.mock-ide-dot:nth-child(2) { background: #ffbd2e; }
.mock-ide-dot:nth-child(3) { background: #27c93f; }

.mock-ide-title {
  font-size: 0.65rem;
  color: #8b949e;
}

.mock-ide-body {
  flex: 1;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.65rem;
  color: #c9d1d9;
  text-align: left;
}

.mock-code-line {
  display: flex;
  gap: 6px;
}

.mock-code-num {
  color: #484f58;
  width: 15px;
  text-align: right;
  user-select: none;
}

.mock-code-text {
  color: #ff7b72;
}
.mock-code-text .keyword { color: #ff7b72; }
.mock-code-text .func { color: #d2a8ff; }
.mock-code-text .string { color: #a5d6ff; }
.mock-code-text .comment { color: #8b949e; }

.mock-terminal-line {
  margin-top: 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 4px;
  color: #3fb950;
}

.mock-terminal-line .accent {
  color: #58a6ff;
}

/* Front-End Shop Mockup Styling */
.mock-shop-window {
  width: 100%;
  height: 100%;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--surface-primary);
}

.mock-shop-nav {
  display: flex;
  gap: 6px;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

.mock-shop-search {
  flex: 1;
  height: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
}

.mock-shop-cart {
  font-size: 0.8rem;
  color: var(--accent-primary);
}

.mock-shop-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.mock-shop-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all var(--transition-fast);
}

.mock-shop-img {
  height: 40px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mock-shop-img i {
  font-size: 1rem;
  color: var(--accent-primary);
  opacity: 0.6;
}

.mock-shop-title {
  font-size: 0.6rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-primary);
}

.mock-shop-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mock-shop-price {
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--accent-success);
}

.mock-shop-rating {
  font-size: 0.5rem;
  color: var(--accent-warning);
}

.mock-shop-btn {
  font-size: 0.5rem;
  font-weight: 700;
  background: var(--gradient-brand);
  color: #fff;
  padding: 2px 0;
  border-radius: 3px;
  text-align: center;
}

.project-card:hover .mock-shop-item {
  transform: translateY(-2px);
  border-color: rgba(139, 92, 246, 0.25);
}

/* ==========================================
   GEN Z & FUTURISTIC REDESIGN ADDITIONS
   ========================================== */

/* Cyber Grid Backdrop */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background-size: 50px 50px;
  background-image: 
    linear-gradient(to right, rgba(139, 92, 246, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(139, 92, 246, 0.015) 1px, transparent 1px);
  pointer-events: none;
}
[data-theme="light"] body::before {
  background-image: 
    linear-gradient(to right, rgba(124, 58, 237, 0.012) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(124, 58, 237, 0.012) 1px, transparent 1px);
}

/* Outlined Background Huge Typography */
.section-bg-text {
  position: absolute;
  font-size: clamp(6rem, 12vw, 11rem);
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.025);
  text-transform: uppercase;
  z-index: 0;
  pointer-events: none;
  user-select: none;
  font-family: var(--font-heading);
  letter-spacing: 2px;
}
[data-theme="light"] .section-bg-text {
  -webkit-text-stroke: 1px rgba(15, 23, 42, 0.03);
}

/* Hover Glowing Card Accents */
#project-pbi-sales:hover {
  box-shadow: 0 20px 40px rgba(6, 182, 212, 0.15);
  border-color: rgba(6, 182, 212, 0.4);
}
#project-ml-churn:hover {
  box-shadow: 0 20px 40px rgba(139, 92, 246, 0.15);
  border-color: rgba(139, 92, 246, 0.4);
}
#project-frontend:hover {
  box-shadow: 0 20px 40px rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.4);
}

/* Button Glow Hover Effect */
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  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 0.6s ease;
}
.btn-primary:hover::after {
  left: 100%;
}

.btn-secondary:hover {
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.2);
  border-color: var(--accent-primary);
}

/* Scroll Down Mouse Wheel Animation */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  z-index: 10;
  pointer-events: none;
}
.scroll-mouse {
  width: 20px;
  height: 32px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}
.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: var(--radius-full);
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-dot 1.5s infinite;
}

@keyframes scroll-dot {
  0% { opacity: 0; top: 6px; }
  30% { opacity: 1; }
  100% { opacity: 0; top: 18px; }
}

/* Profile Image Card in Hero */
.hero-profile-card {
  width: 350px;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 4px solid var(--accent-primary);
  box-shadow: 0 0 35px rgba(139, 92, 246, 0.25);
  z-index: 1;
  background: var(--surface-primary);
  position: relative;
  flex-shrink: 0;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.hero-profile-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 15px 50px rgba(16, 185, 129, 0.4);
  border-color: var(--accent-success);
}

.hero-profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 65% center;
  filter: contrast(1.05) brightness(0.95);
  transition: transform 0.5s ease;
}

.hero-profile-card:hover .hero-profile-img {
  transform: scale(1.05);
}

@media (max-width: 1024px) {
  .hero-profile-card {
    width: 300px;
  }
}

/* --- RESUME DOWNLOAD MODAL --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.modal-content {
  width: 90%;
  max-width: 400px;
  position: relative;
  transform: translateY(-20px);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: color 0.2s ease;
}

.modal-close:hover {
  color: var(--accent-secondary);
}