:root {
  --bg: #0b0f14;
  --bg-elevated: #141a22;
  --bg-soft: #10161d;
  --text: #e6edf3;
  --text-muted: #97a2b0;
  --accent: #6aa9ff;
  --accent-soft: rgba(106, 169, 255, 0.18);
  --border: #273241;
  --nav-bg: rgba(11, 15, 20, 0.85);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  --shadow-soft: 0 10px 24px rgba(0, 0, 0, 0.2);
  --radius-lg: 16px;
  --radius-md: 12px;
  --font-sans: 'Outfit', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="light"] {
  --bg: #f6f8fb;
  --bg-elevated: #ffffff;
  --bg-soft: #eef2f7;
  --text: #0f172a;
  --text-muted: #556174;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.16);
  --border: #d7dee7;
  --nav-bg: rgba(246, 248, 251, 0.92);
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  --shadow-soft: 0 10px 24px rgba(15, 23, 42, 0.1);
}

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

body {
  cursor: none;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(106, 169, 255, 0.12), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(124, 255, 208, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  transition: background 0.2s ease, color 0.2s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(600px 400px at 85% 15%, rgba(106, 169, 255, 0.12), transparent 60%);
  opacity: 0.6;
  z-index: -1;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  z-index: 100;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
  position: relative;
  padding: 0.25rem 0;
}

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

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s ease;
}

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

.theme-toggle {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: 50%;
  padding: 0;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.2s ease;
  box-shadow: var(--shadow-soft);
  z-index: 200;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.cursor-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(106, 169, 255, 0.5);
}

.cursor-ring {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(106, 169, 255, 0.7);
  box-shadow: 0 0 20px rgba(106, 169, 255, 0.2);
}

.cursor-active .cursor-dot,
.cursor-active .cursor-ring {
  opacity: 1;
}

@media (hover: none), (pointer: coarse) {
  body {
    cursor: auto;
  }

  .cursor-dot,
  .cursor-ring {
    display: none;
  }
}

.theme-icon {
  font-size: 1.15rem;
  line-height: 1;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3.5rem;
  padding: 7rem 2rem 4rem;
  max-width: 1120px;
  margin: 0 auto;
  position: relative;
}

.hero-content {
  flex: 1;
  min-width: 0;
}

.hero-image {
  flex: 0 0 auto;
  width: min(280px, 30vw);
  display: flex;
  justify-content: center;
}

.hero-image img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.hero-name {
  font-size: clamp(2.75rem, 7vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.25rem;
  background: linear-gradient(120deg, #ffffff 0%, #9cc7ff 55%, #7fffd4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-pronouns {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.hero-title {
  font-size: 1.45rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #7fd1ff);
  color: var(--bg);
  border: none;
  box-shadow: var(--shadow-soft);
}

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

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

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Sections */
.section {
  padding: 5rem 2rem;
  max-width: 980px;
  margin: 0 auto;
  position: relative;
}

.section-title {
  font-size: 1.9rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  letter-spacing: -0.02em;
  color: var(--text);
  position: relative;
  display: inline-block;
  padding-bottom: 0.35rem;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40%;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), rgba(127, 255, 212, 0.8));
}

/* About */
.about-content p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.about-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.about-links a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}

.about-links a:hover {
  opacity: 0.8;
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.skill-category {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.skill-category:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.skill-category h3 {
  font-size: 0.9rem;
  font-family: var(--font-mono);
  color: var(--accent);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.skill-category ul {
  list-style: none;
}

.skill-category li {
  color: var(--text-muted);
  padding: 0.35rem 0;
  font-size: 0.95rem;
}

/* Experience / Timeline */
.timeline {
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

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

.timeline-marker {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 0.5rem;
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.timeline-content {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
  width: 100%;
  --zoom: 1;
  --lift: 0px;
  transform: translateY(var(--lift)) scale(var(--zoom));
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.timeline-content:hover {
  --lift: -2px;
  border-color: var(--accent);
}

.timeline-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.timeline-company {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.timeline-content ul {
  margin-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.timeline-content li {
  margin-bottom: 0.35rem;
}

/* Certifications */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}

.cert-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  display: grid;
  gap: 0.75rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.cert-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.cert-card img {
  width: 100%;
  height: 120px;
  object-fit: contain;
  background: transparent;
  border-radius: 0;
  padding: 0;
}

.cert-card figcaption {
  font-size: 0.9rem;
  color: var(--text);
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow-soft);
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  animation: fadeIn 0.8s ease both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.project-placeholder {
  height: 120px;
  background: var(--accent-soft);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.project-icon {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--accent);
  opacity: 0.7;
}

.project-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.project-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.project-tags {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  opacity: 0.9;
}

/* Contact */
.contact-intro {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.contact-form {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
}

.form-field {
  display: grid;
  gap: 0.5rem;
}

.form-field label {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 600;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.contact-status {
  min-height: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.contact-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}

.contact-link:hover {
  opacity: 0.8;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 640px) {
  .nav {
    flex-wrap: wrap;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    padding-top: 1rem;
    gap: 1rem;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .theme-toggle {
    right: 1rem;
    bottom: 1rem;
  }

  .hero {
    flex-direction: column-reverse;
    align-items: flex-start;
    padding: 5rem 1.5rem 3rem;
  }

  .hero-image {
    width: min(260px, 70vw);
  }

  .section {
    padding: 3rem 1.5rem;
  }
}