:root {
  --bg-color: #ffffff;
  --text-color: #0a0a0a;
  --text-muted: #6b6b6b;
  --glass-bg: rgba(0, 0, 0, 0.03);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-hover: rgba(0, 0, 0, 0.12);
  --primary-color: #0a0a0a;
  --secondary-color: #555555;
  --accent-color: #333333;
  --card-blur: 16px;
  --transition-speed: 0.3s;
}

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

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Neural network background canvas */
#neural-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 0.65;
}

/* Soft ambient blobs */
body::before,
body::after {
  content: '';
  position: fixed;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  opacity: 0.4;
  animation: float 20s infinite ease-in-out alternate;
}

body::before {
  background: radial-gradient(circle, rgba(0, 0, 0, 0.06), transparent 60%);
  top: -10%;
  left: -10%;
}

body::after {
  background: radial-gradient(circle, rgba(0, 0, 0, 0.03), transparent 60%);
  bottom: -10%;
  right: -10%;
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(5%, 10%) scale(1.1); }
  100% { transform: translate(-5%, -5%) scale(0.9); }
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
  background: linear-gradient(to right, var(--text-color), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  z-index: 1000;
  transition: all var(--transition-speed);
}

nav.scrolled {
  padding: 1rem 0;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(var(--card-blur));
  border-bottom: 1px solid var(--glass-border);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: inline-flex;
  align-items: center;
}

.logo-img {
  height: 42px;
  width: auto;
  display: block;
  border-radius: 6px;
  transition: transform var(--transition-speed);
}

.logo:hover .logo-img {
  transform: scale(1.08);
}

.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}

.nav-links a {
  font-weight: 400;
  font-size: 1rem;
  transition: color var(--transition-speed);
}

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

/* Glassmorphism card */
.glass-card {
  background: #f6f6f6;
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  padding: 2rem;
  transition: transform var(--transition-speed), background var(--transition-speed);
}

.glass-card:hover {
  transform: translateY(-5px);
  background: #ececec;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  border-radius: 2rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed);
  border: none;
  font-family: inherit;
  font-size: 1rem;
  animation: morph 4s ease-in-out infinite;
}

.btn-primary {
  background: rgba(0, 0, 0, 0.08);
  color: var(--text-color);
  border: 1px solid rgba(0, 0, 0, 0.2);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.btn-primary:hover {
  transform: scale(1.05);
  background: rgba(0, 0, 0, 0.15);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.btn-outline {
  background: transparent;
  color: var(--text-color);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--card-blur));
}

.btn-outline:hover {
  background: rgba(0, 0, 0, 0.06);
  border-color: var(--text-color);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  isolation: isolate;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 70% at 50% 50%,
      rgba(255, 255, 255, 0.72) 0%,
      rgba(255, 255, 255, 0.40) 55%,
      transparent 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  grid-template-areas:
    "heading image"
    "details image";
  gap: 0 4rem;
  align-items: center;
}

.hero-heading { grid-area: heading; align-self: end; }
.hero-details { grid-area: details; align-self: start; }

.hero-image-container {
  grid-area: image;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.15);
  aspect-ratio: 1 / 1;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: morph 8s ease-in-out infinite;
  background: rgba(0, 0, 0, 0.02);
  backdrop-filter: blur(10px);
}

.hero-heading h1 {
  font-size: 4.5rem;
  font-weight: 300;
  margin-bottom: 1rem;
  line-height: 1.1;
  letter-spacing: -1.5px;
}

.hero-heading .highlight {
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-tech-tag {
  font-family: monospace;
  font-size: 0.95rem;
  color: var(--accent-color);
  opacity: 0.7;
  margin-bottom: 0.6rem;
  letter-spacing: 2px;
  display: block;
}

.job-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-color);
  margin-top: 0.5rem;
  min-height: 2.5rem;
  display: flex;
  align-items: center;
}

@media (max-width: 600px) {
  .job-title { font-size: 1.5rem; justify-content: center; }
}

.hero-details p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.stats-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  padding: 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--card-blur));
  border: 1px solid var(--glass-border);
  border-radius: 2rem;
  width: fit-content;
  margin: 0 auto;
}

.stat-item { text-align: center; min-width: 150px; }

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 0.2rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: var(--glass-border);
}

@media (max-width: 900px) {
  .stats-bar { flex-direction: column; width: 100%; gap: 1.5rem; }
  .stat-divider { width: 50%; height: 1px; }
}

@keyframes morph {
  0% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
  100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
}

.hero-image-container img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.6s ease, transform 0.5s ease;
}

.hero-image-container .hero-image-bw { opacity: 0; }

.hero-image-container:hover img { transform: scale(1.05); }
.hero-image-container:hover .hero-image-bw { opacity: 1; }

section { padding: 6rem 0; }

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.project-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }

.project-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--glass-border);
}

.project-info { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; }

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.project-title { font-size: 1.25rem; font-weight: 600; }

.project-status {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.status-completed {
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.status-in-progress {
  background: rgba(245, 158, 11, 0.12);
  color: #b45309;
  border: 1px solid rgba(245, 158, 11, 0.25);
  animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
  70% { box-shadow: 0 0 0 6px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.project-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.4;
  flex-grow: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tech-badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.8rem;
  border-radius: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: hsla(var(--badge-hue, 200), 70%, 45%, 0.12);
  color: hsl(var(--badge-hue, 200), 65%, 34%);
  border: 1px solid hsla(var(--badge-hue, 200), 70%, 45%, 0.25);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.tech-badge:hover {
  transform: translateY(-2px);
  background: hsla(var(--badge-hue, 200), 70%, 45%, 0.22);
  box-shadow: 0 4px 10px hsla(var(--badge-hue, 200), 70%, 45%, 0.15);
}

.project-links {
  margin-top: auto;
  display: flex;
  gap: 1rem;
}

.project-link {
  color: var(--accent-color);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition-speed), color var(--transition-speed);
}

.project-link:hover { gap: 0.6rem; color: var(--text-color); }

.view-all-container { text-align: center; }

/* Skills */
.skills-table {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: #f6f6f6;
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid var(--glass-border);
}

.skill-row {
  display: flex;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.skill-row:last-child { border-bottom: none; padding-bottom: 0; }

.skill-category-title {
  width: 250px;
  flex-shrink: 0;
  font-weight: 600;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-badges { display: flex; flex-wrap: wrap; gap: 0.8rem; }

@media (max-width: 768px) {
  .skill-row { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .skill-category-title { width: 100%; }
}

.skills-footer {
  text-align: center;
  margin-top: 3rem;
  color: var(--text-muted);
  font-style: italic;
  opacity: 0.8;
}

/* Certificates */
.certificates-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.cert-card { display: flex; align-items: center; gap: 1.5rem; position: relative; }

.cert-icon {
  width: 50px;
  height: 50px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.cert-info h3 { font-size: 1.1rem; margin-bottom: 0.2rem; }
.cert-info p { color: var(--text-muted); font-size: 0.9rem; }

.cert-card.clickable-cert { cursor: pointer; }

.cert-preview-badge {
  position: absolute;
  bottom: 1rem;
  right: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  opacity: 0;
  transition: all var(--transition-speed);
}

.cert-card.clickable-cert:hover .cert-preview-badge {
  opacity: 1;
  color: var(--primary-color);
}

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.blog-card { padding: 2rem; cursor: pointer; display: flex; flex-direction: column; }

.blog-date {
  font-size: 0.8rem;
  color: var(--accent-color);
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
}

.blog-title { font-size: 1.25rem; margin: 0.25rem 0 1rem; line-height: 1.4; }

.blog-excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.4;
  flex-grow: 1;
}

.read-more { color: var(--text-color); font-weight: 600; font-size: 0.9rem; }

/* Contact */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info p { color: var(--text-muted); margin-bottom: 2rem; }

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

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  transition: all var(--transition-speed);
}

.social-link:hover {
  background: var(--primary-color);
  color: #ffffff;
  transform: translateY(-3px);
}

.contact-form { display: flex; flex-direction: column; gap: 1rem; }

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: 0.5rem;
  color: white;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition-speed);
}

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

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

footer {
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid var(--glass-border);
  margin-top: 4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    grid-template-areas: "heading" "image" "details";
    text-align: center;
    gap: 2rem;
  }
  .hero-heading, .hero-details { align-self: center; }
  .hero-details p { margin: 0 auto 2rem; }
  .hero-buttons { justify-content: center; }
  .contact-container { grid-template-columns: 1fr; }
  .social-links { justify-content: center; margin-bottom: 2rem; }
}

@media (max-width: 600px) {
  .hero-heading h1 { font-size: 3rem; }
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100vh;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    border: 1px solid transparent;
    transition: all 0.3s ease;
  }
  .nav-links a:hover { border-color: var(--glass-border); background: var(--glass-bg); }
  .lang-switcher { margin-left: auto; margin-right: 0.75rem; }
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--text-color);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 0.25rem 0.5rem;
  border-radius: 2rem;
  margin-left: 2rem;
  transition: all var(--transition-speed);
  user-select: none;
}

.lang-switcher:hover { background: var(--glass-hover); border-color: rgba(255, 255, 255, 0.2); }

.lang-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.15rem 0.5rem;
  border-radius: 1rem;
  transition: all var(--transition-speed);
}

.lang-btn:hover { color: var(--text-color); }

.lang-btn.active {
  color: var(--text-color);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.05);
}

.lang-divider { color: var(--text-muted); font-size: 0.75rem; opacity: 0.4; user-select: none; }

/* Modals */
body.modal-open { overflow: hidden; }

.cv-modal-overlay,
.preview-modal-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(5, 5, 5, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cv-modal-overlay.active,
.preview-modal-overlay.active { opacity: 1; visibility: visible; }

.cv-modal-card {
  position: relative;
  width: 90%;
  max-width: 440px;
  padding: 3rem 2rem;
  background: rgba(10, 10, 10, 0.9);
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.8);
  text-align: center;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background 0.3s ease;
}

.cv-modal-overlay.active .cv-modal-card { transform: scale(1) translateY(0); }
.cv-modal-card.glass-card:hover { transform: scale(1) translateY(0); background: rgba(15, 15, 15, 0.9); }

.cv-modal-close,
.preview-modal-close {
  position: absolute;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-color);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-speed);
  z-index: 10;
}

.cv-modal-close { top: 1.25rem; right: 1.25rem; }
.cv-modal-close:hover,
.preview-modal-close:hover { background: rgba(255, 255, 255, 0.15); border-color: rgba(255, 255, 255, 0.35); transform: rotate(90deg); }

.cv-modal-icon {
  font-size: 3rem;
  background: linear-gradient(135deg, #ff4e50, #f9d423);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
  animation: modal-icon-float 3s ease-in-out infinite;
}

@keyframes modal-icon-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.cv-modal-card h3 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  background: linear-gradient(to right, var(--text-color), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cv-modal-card p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 2.25rem; line-height: 1.5; }

.cv-modal-options { display: flex; flex-direction: column; gap: 1rem; }

.cv-btn.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1rem;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  animation: none;
}

.cv-btn.btn-primary { background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.15); color: #fff; }
.cv-btn.btn-primary:hover { background: rgba(255, 255, 255, 0.18); border-color: rgba(255, 255, 255, 0.35); transform: translateY(-2px); }
.cv-btn.btn-outline:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.25); transform: translateY(-2px); }

.preview-modal-card {
  position: relative;
  width: 90%;
  max-width: 800px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: scale(0.9);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.preview-modal-overlay.active .preview-modal-card { transform: scale(1); }

.preview-modal-content {
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  background: rgba(20, 20, 20, 0.85);
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  padding: 1.5rem;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-modal-content img { max-width: 100%; max-height: 70vh; object-fit: contain; border-radius: 1rem; }

.blog-modal-body { display: block; text-align: left; }
.blog-modal-body p + p { margin-top: 1rem; }

.preview-modal-caption {
  margin-top: 1.5rem;
  color: var(--text-color);
  font-size: 1.25rem;
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.5px;
}

.preview-modal-close { top: -3.5rem; right: 0; width: 40px; height: 40px; font-size: 1.5rem; }

@media (max-width: 768px) {
  .preview-modal-close { top: -3rem; right: 1rem; }
}