:root {
  --bg: #070b16;
  --bg-soft: #0d1222;
  --panel: rgba(14, 20, 38, 0.78);
  --panel-strong: #11182b;
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #f3f7ff;
  --muted: #a8b2c9;
  --muted-strong: #c3cce0;
  --primary: #82a9ff;
  --primary-strong: #a98dff;
  --accent: #7ef2d0;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: 1180px;
  --header-height: 84px;
  --transition: 260ms cubic-bezier(.2,.8,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(130, 169, 255, 0.16), transparent 30%),
    radial-gradient(circle at 80% 10%, rgba(169, 141, 255, 0.16), transparent 28%),
    linear-gradient(180deg, #060914 0%, #0a1020 50%, #060914 100%);
  font-family: "Inter", sans-serif;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  background: #fff;
  color: #000;
  padding: .75rem 1rem;
  border-radius: 10px;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 5.5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.header {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(18px);
  background: rgba(7, 11, 22, 0.62);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-wrap {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .85rem;
  font-weight: 700;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 14px;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  box-shadow: 0 10px 28px rgba(130, 169, 255, 0.35);
}
.brand-text { color: var(--muted-strong); }

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav a {
  color: var(--muted);
  transition: color var(--transition), transform var(--transition);
}
.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
  padding: 0;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: white;
  margin: 6px auto;
  transition: transform var(--transition), opacity var(--transition);
}

.hero {
  padding-top: calc(4rem + var(--header-height));
  overflow: clip;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow,
.section-kicker,
.profile-label,
.timeline-meta,
.credential-type,
.project-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--accent);
  font-size: .88rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2 {
  margin: .65rem 0 1rem;
  font-family: "Manrope", sans-serif;
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.hero h1 {
  font-size: clamp(2.9rem, 6vw, 5.4rem);
  max-width: 12ch;
}
.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  max-width: 14ch;
}
.section-heading p,
.hero-text,
.surface-card p,
.project-card p,
.timeline-card p,
.footer-copy,
.form-note {
  color: var(--muted);
}
.hero-text {
  font-size: 1.08rem;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .95rem;
  margin: 2rem 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 1.35rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}
.btn:hover,
.btn:focus-visible { transform: translateY(-2px); }
.btn-primary {
  color: #07101c;
  background: linear-gradient(135deg, #e8f0ff, #9dc2ff 55%, #99ffd8);
  box-shadow: 0 18px 36px rgba(123, 170, 255, 0.28);
}
.btn-secondary {
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 0;
  margin: 2rem 0 0;
  list-style: none;
}
.hero-metrics li,
.surface-card,
.project-card,
.glass-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}
.hero-metrics li {
  padding: 1.2rem;
  border-radius: var(--radius-md);
}
.hero-metrics strong {
  display: block;
  font-size: 1.15rem;
  margin-bottom: .25rem;
}
.hero-metrics span {
  color: var(--muted);
  font-size: .92rem;
}

.profile-card {
  padding: 1.6rem;
  border-radius: var(--radius-xl);
}
.profile-top {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.profile-top h2 {
  margin: .35rem 0 0;
  font-size: 1.8rem;
}
.status-dot {
  align-self: flex-start;
  padding: .65rem .9rem;
  border-radius: 999px;
  background: rgba(126, 242, 208, 0.08);
  color: #b8ffe8;
  border: 1px solid rgba(126, 242, 208, 0.18);
  font-size: .88rem;
}
.profile-stack,
.tag-row,
.contact-links,
.footer-links,
.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}
.profile-stack {
  margin: 1.5rem 0;
}
.profile-stack span,
.tag-row span {
  padding: .55rem .8rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  color: var(--muted-strong);
  border: 1px solid rgba(255,255,255,0.06);
  font-size: .9rem;
}
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.profile-grid article {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03);
}
.profile-grid h3 { margin-top: 0; }

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(26px);
  pointer-events: none;
}
.hero-orb-1 {
  width: 240px; height: 240px;
  background: rgba(130, 169, 255, 0.15);
  top: 10%; right: 8%;
}
.hero-orb-2 {
  width: 180px; height: 180px;
  background: rgba(126, 242, 208, 0.10);
  bottom: 10%; left: 5%;
}

.section-heading {
  margin-bottom: 2rem;
}

.about-grid,
.expertise-grid,
.project-grid,
.credentials-grid {
  display: grid;
  gap: 1.4rem;
}
.about-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.expertise-grid,
.project-grid,
.credentials-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.surface-card,
.project-card,
.contact-card {
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.surface-card h3,
.project-card h3,
.timeline-card h3,
.footer-brand {
  margin-top: 0;
  margin-bottom: .85rem;
}
.feature-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted-strong);
}
.feature-list li + li { margin-top: .55rem; }
.feature-list.compact li + li { margin-top: .45rem; }

.timeline {
  position: relative;
  display: grid;
  gap: 1.5rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(rgba(255,255,255,0.14), rgba(255,255,255,0.04));
}
.timeline-item {
  position: relative;
  padding-left: 3rem;
}
.timeline-marker {
  position: absolute;
  left: 4px;
  top: 24px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 0 8px rgba(255,255,255,0.03);
}
.timeline-card {
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100%;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.03));
}
.project-top { margin-bottom: 1rem; }
.project-actions {
  margin-top: 1.1rem;
}
.project-actions a,
.contact-links a,
.footer-links a {
  color: var(--muted-strong);
  transition: color var(--transition), opacity var(--transition);
}
.project-actions a:hover,
.contact-links a:hover,
.footer-links a:hover { color: #fff; }

.section-contact {
  padding-bottom: 6rem;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-grid label {
  display: grid;
  gap: .55rem;
}
.form-grid .full-width { grid-column: 1 / -1; }
.form-grid span {
  color: var(--muted-strong);
  font-size: .95rem;
}
input,
textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border-radius: 14px;
  padding: .95rem 1rem;
  outline: none;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
input:focus,
textarea:focus {
  border-color: rgba(130,169,255,0.6);
  background: rgba(255,255,255,0.05);
}
.form-note { margin-top: 1rem; font-size: .95rem; }

.footer {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 2rem 0 2.5rem;
}
.footer-wrap,
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer-brand {
  font-family: "Manrope", sans-serif;
  font-size: 1.15rem;
}
.footer-bottom {
  margin-top: 1.4rem;
  color: var(--muted);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 1.2rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }

@media (max-width: 1060px) {
  .hero-grid,
  .contact-grid,
  .about-grid,
  .expertise-grid,
  .project-grid,
  .credentials-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-copy,
  .section-heading { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  :root { --header-height: 74px; }
  .nav-toggle { display: inline-block; }
  .nav {
    position: absolute;
    top: calc(100% + .5rem);
    right: 1rem;
    left: 1rem;
    display: grid;
    gap: .6rem;
    padding: 1rem;
    border-radius: 18px;
    background: rgba(10, 16, 32, 0.96);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity var(--transition), transform var(--transition);
  }
  .nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .hero-grid,
  .contact-grid,
  .about-grid,
  .expertise-grid,
  .project-grid,
  .credentials-grid,
  .profile-grid,
  .form-grid,
  .hero-metrics {
    grid-template-columns: 1fr;
  }
  .footer-wrap,
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .section { padding: 4.25rem 0; }
  .hero { padding-top: calc(3rem + var(--header-height)); }
  .container { width: min(calc(100% - 1.2rem), var(--container)); }
  .surface-card,
  .project-card,
  .contact-card,
  .profile-card,
  .timeline-card { padding: 1.15rem; }
  .hero h1 { font-size: clamp(2.5rem, 12vw, 4rem); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}


.hero-identity {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.hero-photo-wrap {
  width: 108px;
  height: 108px;
  border-radius: 24px;
  padding: 4px;
  background: linear-gradient(135deg, rgba(123, 92, 255, 0.9), rgba(47, 189, 255, 0.8));
  box-shadow: 0 18px 50px rgba(12, 18, 38, 0.28);
  flex-shrink: 0;
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 20px;
  background: #0f172a;
}

.interest-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.interest-card {
  position: relative;
  overflow: hidden;
}

.interest-card h3 {
  margin-bottom: 0.75rem;
}

.interest-card p {
  margin-bottom: 0;
}

.interest-card::after {
  content: "";
  position: absolute;
  inset: auto -30px -30px auto;
  width: 90px;
  height: 90px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(123, 92, 255, 0.22), transparent 70%);
  pointer-events: none;
}

.signature-grid,
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.blog-card h3 a {
  color: var(--text);
}

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-bottom: .85rem;
  color: var(--accent);
  font-size: .88rem;
  letter-spacing: .03em;
}

.blog-link {
  display: inline-flex;
  margin-top: 1rem;
  color: var(--muted-strong);
  font-weight: 700;
}

.blog-link:hover,
.blog-card h3 a:hover {
  color: #fff;
}

.nav-static {
  position: static;
  opacity: 1;
  pointer-events: auto;
  transform: none;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.blog-page,
.article-page {
  padding-top: calc(2.5rem + var(--header-height));
}

.blog-guide {
  margin-top: 2rem;
  border-radius: var(--radius-xl);
}

.publish-steps {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted-strong);
}

.publish-steps li + li {
  margin-top: .7rem;
}

.code-sample {
  margin-top: 1.3rem;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
  overflow: auto;
}

.code-sample pre {
  margin: 0;
  padding: 1rem 1.2rem;
  color: var(--muted-strong);
}

.article-wrap {
  max-width: 860px;
}

.article-header h1 {
  margin: .65rem 0 1rem;
  font-family: "Manrope", sans-serif;
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-size: clamp(2.4rem, 5vw, 4rem);
}

.article-content h2 {
  margin-top: 2rem;
  font-family: "Manrope", sans-serif;
}

.article-content p {
  color: var(--muted-strong);
}

@media (max-width: 1060px) {
  .signature-grid,
  .blog-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .signature-grid,
  .blog-grid,
  .interest-grid {
    grid-template-columns: 1fr;
  }

  .nav-static {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
  }
}