:root {
  color-scheme: dark;
  --background: #0e1016;
  --surface: #161924;
  --surface-alt: #1f2332;
  --surface-muted: #24293b;
  --text: #e6eaf3;
  --text-muted: #a4acc7;
  --accent: #6c5ce7;
  --accent-soft: rgba(108, 92, 231, 0.15);
  --accent-strong: rgba(108, 92, 231, 0.35);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: rgba(10, 12, 17, 0.65);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --max-width: 1400px;
  --gutter: clamp(16px, 3vw, 32px);
  --transition: 180ms ease;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: -40%;
  z-index: -1;
  background:
    radial-gradient(circle at 0% 0%, rgba(108, 92, 231, 0.16), transparent 55%),
    radial-gradient(circle at 100% 20%, rgba(72, 61, 139, 0.16), transparent 55%),
    radial-gradient(circle at 20% 100%, rgba(108, 92, 231, 0.12), transparent 55%),
    radial-gradient(circle at 80% 100%, rgba(40, 45, 80, 0.18), transparent 60%);
  filter: blur(2px);
  opacity: 0.9;
  will-change: transform;
  animation: gradient-orbit 32s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes gradient-orbit {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  25% {
    transform: translate3d(-4%, -2%, 0) scale(1.03);
  }
  50% {
    transform: translate3d(3%, -4%, 0) scale(1.05);
  }
  75% {
    transform: translate3d(-3%, 3%, 0) scale(1.02);
  }
  100% {
    transform: translate3d(4%, 4%, 0) scale(1.04);
  }
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-sm);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.site-header {
  position: relative;
  padding: var(--gutter) var(--gutter) 0;
  overflow: hidden;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 12px 20px;
  background-color: rgba(15, 18, 26, 0.6);
  backdrop-filter: blur(22px);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: 0 18px 45px rgba(2, 5, 15, 0.45);
}

.brand {
  font-weight: 600;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
}

.brand img {
  height: 32px;
  width: auto;
  display: block;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.02);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition);
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(3px, 4px);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: rotate(-45deg) translate(3px, -4px);
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  opacity: 0;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.95rem;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition), transform var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

.hero {
  max-width: var(--max-width);
  margin: clamp(64px, 10vw, 104px) auto 0;
  display: grid;
  align-items: center;
  gap: clamp(40px, 8vw, 100px);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.hero-text .eyebrow {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  line-height: 1.05;
  margin: 0 0 18px;
}

.hero .lead {
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 540px;
}

.highlight {
  background: linear-gradient(120deg, rgba(108, 92, 231, 0.8), rgba(72, 61, 139, 0.8));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn.primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(108, 92, 231, 0.35);
}

.btn.primary:hover,
.btn.primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(108, 92, 231, 0.4);
}

.btn.ghost {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: transparent;
  color: var(--text);
}

.btn.ghost:hover,
.btn.ghost:focus-visible {
  background: rgba(255, 255, 255, 0.08);
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gradient-orb {
  width: clamp(280px, 40vw, 420px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(108, 92, 231, 0.65), rgba(20, 24, 36, 0.8));
  filter: blur(0);
  opacity: 0.9;
  box-shadow: 0 12px 45px rgba(108, 92, 231, 0.28);
}

.floating-card {
  position: absolute;
  bottom: 12%;
  left: 10%;
  padding: 18px 22px;
  width: min(260px, 80%);
  border-radius: var(--radius-md);
  background: rgba(18, 22, 32, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 14px 30px rgba(5, 7, 12, 0.6);
  backdrop-filter: blur(16px);
}

.floating-caption {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.floating-title {
  margin: 0 0 12px;
  font-weight: 600;
}

.progress-bar {
  position: relative;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.progress {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(108, 92, 231, 0.9), rgba(72, 61, 139, 0.9));
}

main {
  padding: 0 var(--gutter);
}

.section {
  max-width: var(--max-width);
  margin: clamp(80px, 12vw, 140px) auto;
}

.section.tinted {
  padding: clamp(64px, 10vw, 80px);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(22, 26, 38, 0.9), rgba(14, 16, 24, 0.8));
  box-shadow: 0 24px 48px rgba(4, 5, 10, 0.54);
}

.section-heading {
  max-width: 620px;
  margin-bottom: 42px;
}

.section-heading h2 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.section-heading p {
  color: var(--text-muted);
}

.section-heading .contact-meta {
  margin-top: 12px;
  font-size: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.section-heading .contact-meta a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.2);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.section-heading .contact-meta a:hover,
.section-heading .contact-meta a:focus-visible {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.about-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.about-card {
  padding: 24px;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: 0 16px 28px rgba(6, 9, 14, 0.4);
}

.about-card h3 {
  margin-top: 0;
}

.projects-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 36px rgba(3, 5, 12, 0.5);
  transition: transform var(--transition), border-color var(--transition);
}

.project-card img {
  width: 100%;
  border-radius: calc(var(--radius-lg) - 6px);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.project-card:hover,
.project-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.14);
}

.project-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-content h3 {
  margin: 0 0 12px;
  font-size: 1.5rem;
}

.project-meta {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.project-tags span {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
}

.project-link {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  transition: color var(--transition);
}

.project-link::after {
  content: "↗";
  font-size: 0.9rem;
}

.project-link:hover,
.project-link:focus-visible {
  color: var(--accent);
}

.testimonials-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.testimonial-card {
  padding: clamp(24px, 4vw, 32px);
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: 0 14px 28px rgba(3, 5, 12, 0.45);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.testimonial-card blockquote {
  margin: 0;
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.7;
}

.testimonial-card .name {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}

.testimonial-card .role {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.skills-grid {
  display: grid;
  gap: 26px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.experience-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.experience-column-title {
  margin: 0 0 24px;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}

.experience-timeline {
  display: grid;
  gap: 24px;
}

.experience-card {
  padding: clamp(24px, 4vw, 32px);
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 20px 32px rgba(5, 7, 12, 0.55);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.experience-header h3 {
  margin: 0;
  font-size: 1.4rem;
}

.experience-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.experience-meta b {
  color: var(--text);
}

.experience-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-muted);
}

.experience-card ul li + li {
  margin-top: 6px;
}

.experience-secondary {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 14px;
  color: var(--text-muted);
  font-size: 0.95rem;
  display: grid;
  gap: 8px;
}

.experience-secondary b {
  color: var(--text);
}

.skills-column {
  padding: 28px;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: 0 14px 30px rgba(5, 7, 12, 0.5);
}

.skills-column h3 {
  margin-top: 0;
  margin-bottom: 16px;
}

.skills-column ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
}

.contact-form {
  display: grid;
  gap: 24px;
  padding: clamp(28px, 6vw, 36px);
  background: linear-gradient(145deg, rgba(22, 26, 38, 0.8), rgba(20, 24, 36, 0.75));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 48px rgba(4, 5, 12, 0.6);
}

.form-row {
  display: grid;
  gap: 8px;
}

.form-row label {
  font-weight: 500;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(13, 16, 24, 0.75);
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}

.site-footer {
  margin: clamp(80px, 12vw, 120px) var(--gutter) var(--gutter);
  padding: clamp(24px, 6vw, 36px);
  border-radius: var(--radius-lg);
  background: rgba(16, 19, 28, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
}

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

.footer-links a {
  font-weight: 500;
  color: var(--text);
  transition: color var(--transition);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--accent);
}

@media (max-width: 900px) {
  .navbar {
    border-radius: var(--radius-md);
  }

  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 76px;
    right: var(--gutter);
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    background: rgba(12, 15, 24, 0.96);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px;
    min-width: 220px;
    box-shadow: 0 16px 32px rgba(5, 7, 12, 0.7);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity var(--transition), transform var(--transition);
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero {
    text-align: center;
  }

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

  .hero-visual {
    order: -1;
  }

  .floating-card {
    left: 50%;
    transform: translateX(-50%);
    width: min(300px, 80%);
  }

  .experience-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .navbar {
    padding: 10px 16px;
  }

  .hero {
    margin-top: clamp(44px, 8vw, 64px);
  }

  .section {
    margin: clamp(60px, 10vw, 90px) auto;
  }

  .section-heading {
    margin-bottom: 32px;
  }

  .project-card {
    grid-template-columns: 1fr;
  }

  .skills-column,
  .about-card {
    padding: 22px;
  }
}