/* ============================================
   SECTION STYLES — Portfolio
   ============================================ */

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(6, 6, 11, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

[data-theme="light"] .navbar {
  background: rgba(245, 245, 250, 0.85);
}

.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-accent);
  letter-spacing: -0.5px;
}

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

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

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 1px;
  transition: width var(--transition-base);
}

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

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

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: rotate(30deg);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}

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

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 999;
  padding: var(--space-2xl);
  flex-direction: column;
  gap: var(--space-lg);
}

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

.mobile-menu a {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-gradient {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
}

.hero-gradient-1 {
  top: -200px;
  right: -100px;
  background: var(--accent-primary);
}

.hero-gradient-2 {
  bottom: -200px;
  left: -100px;
  background: var(--accent-secondary);
}

.hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-4xl);
}

.hero-content {
  flex: 1;
  max-width: 680px;
}

.hero-label {
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--accent-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.hero-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent-secondary);
}

.hero h1 {
  margin-bottom: var(--space-lg);
  letter-spacing: -1.5px;
}

.hero h1 .name-line {
  display: block;
}

.hero-typing {
  font-family: var(--font-code);
  font-size: 1.1rem;
  color: var(--accent-primary);
  margin-bottom: var(--space-xl);
  min-height: 1.6em;
}

.hero-typing .cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--accent-primary);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero-desc {
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

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

.hero-social a {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-base);
}

.hero-social a:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px var(--accent-glow);
}

.hero-monogram {
  flex-shrink: 0;
  width: 280px;
  height: 280px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.hero-monogram::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  z-index: -1;
  opacity: 0.4;
  filter: blur(20px);
}

.hero-monogram .initials {
  font-family: var(--font-heading);
  font-size: 6rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -3px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

@media (max-width: 768px) {
  .hero .container { flex-direction: column-reverse; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-monogram { width: 180px; height: 180px; }
  .hero-monogram .initials { font-size: 4rem; }
  .hero-buttons { justify-content: center; }
  .hero-social { justify-content: center; }
  .hero-label { justify-content: center; }
}

/* ---------- ABOUT / STATS ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.about-text p {
  margin-bottom: var(--space-lg);
  font-size: 1.05rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.stat-card {
  text-align: center;
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

/* ---------- SKILLS ---------- */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

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

.skill-category:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.skill-category-title {
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.skill-category-title .cat-icon {
  font-size: 1.1rem;
}

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

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

/* ---------- EXPERIENCE TIMELINE ---------- */
.timeline {
  position: relative;
  padding: 0 0 0 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary), transparent);
}

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

.timeline-dot {
  position: absolute;
  left: -40px;
  top: 6px;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-full);
  background: var(--bg-primary);
  border: 3px solid var(--accent-primary);
  z-index: 1;
  transition: all var(--transition-base);
}

.timeline-item:hover .timeline-dot {
  background: var(--accent-primary);
  box-shadow: 0 0 16px var(--accent-glow);
}

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

.timeline-role {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-heading);
}

.timeline-company {
  color: var(--accent-primary);
  font-weight: 600;
}

.timeline-meta {
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.timeline-desc {
  margin-top: var(--space-sm);
}

.timeline-desc li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 6px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.timeline-desc li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-secondary);
  font-weight: bold;
}

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

/* ---------- PROJECTS TAB FILTER ---------- */
.project-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.project-tab {
  padding: 10px 24px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.project-tab:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.project-tab.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
}

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

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.project-card-header {
  padding: var(--space-xl) var(--space-xl) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.project-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(108, 99, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.project-card-body {
  padding: 0 var(--space-xl) var(--space-xl);
}

.project-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.15rem;
}

.project-card p {
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.project-card-footer {
  padding: var(--space-md) var(--space-xl);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-card-links {
  display: flex;
  gap: var(--space-sm);
}

.project-card-links a {
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: color var(--transition-fast);
}

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

/* SaaS featured card */
.project-card.featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-color: rgba(108, 99, 255, 0.2);
}

.project-card.featured .project-featured-content {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-card.featured .project-featured-visual {
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.project-card.featured .project-featured-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-gradient);
  opacity: 0.05;
}

.feature-list {
  margin: var(--space-md) 0;
}

.feature-list li {
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.feature-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--accent-secondary);
}

@media (max-width: 768px) {
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; grid-template-columns: 1fr; }
}

/* ---------- EDUCATION ---------- */
.edu-card {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  max-width: 600px;
  margin: 0 auto;
}

.edu-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: rgba(108, 99, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}

.edu-details h3 { margin-bottom: 4px; }
.edu-details p { margin-bottom: 2px; font-size: 0.92rem; }

/* ---------- CONTACT ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info h3 {
  margin-bottom: var(--space-lg);
}

.contact-info p {
  margin-bottom: var(--space-xl);
  font-size: 1.05rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.contact-link:hover {
  border-color: var(--accent-primary);
  transform: translateX(6px);
  color: var(--text-primary);
}

.contact-link .link-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(108, 99, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 1.1rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

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

/* ---------- FOOTER ---------- */
.footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

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

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

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--accent-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  box-shadow: 0 4px 20px var(--accent-glow);
  z-index: 100;
}

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

.back-to-top:hover {
  transform: translateY(-3px);
  color: #fff;
}