:root {
  --bg: #f4f5fc;
  --ink: #16182f;
  --muted: #5c6178;
  --card: rgba(255, 255, 255, 0.72);
  --card-strong: rgba(255, 255, 255, 0.86);
  --line: rgba(22, 24, 47, 0.1);
  --c1: #7b5cff; /* violet */
  --c2: #ec4ec4; /* fuchsia */
  --c3: #2fb6ff; /* sky */
  --name-grad: linear-gradient(100deg, #6a3df5, #d8379f 48%, #7b5cff);
  --accent-grad: linear-gradient(120deg, var(--c1), var(--c2));
  --shadow-soft: 0 18px 48px rgba(58, 40, 120, 0.1);
  --shadow-lift: 0 30px 70px rgba(78, 46, 165, 0.2);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1080px;
  --font-head: system-ui, "Segoe UI", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-body: system-ui, "Segoe UI", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Cascadia Mono", "Segoe UI Mono", Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
}

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

/* ---- Decorative layers ---------------------------------------------- */

/* Drifting aurora blobs */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -3;
  overflow: hidden;
  pointer-events: none;
}

.aurora span {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.55;
  will-change: transform;
}

.aurora .a1 {
  width: 46vw;
  height: 46vw;
  top: -12%;
  left: -8%;
  background: radial-gradient(circle, rgba(123, 92, 255, 0.9), transparent 68%);
  animation: drift-1 24s ease-in-out infinite;
}

.aurora .a2 {
  width: 40vw;
  height: 40vw;
  top: 8%;
  right: -12%;
  background: radial-gradient(circle, rgba(236, 78, 196, 0.78), transparent 68%);
  animation: drift-2 28s ease-in-out infinite;
}

.aurora .a3 {
  width: 44vw;
  height: 44vw;
  bottom: -18%;
  left: 22%;
  background: radial-gradient(circle, rgba(47, 182, 255, 0.7), transparent 68%);
  animation: drift-3 32s ease-in-out infinite;
}

@keyframes drift-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(7%, 9%) scale(1.16); }
}

@keyframes drift-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-8%, 6%) scale(1.12); }
}

@keyframes drift-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(5%, -8%) scale(1.18); }
}

/* Cursor-follow spotlight (JS sets --mx/--my; static fallback otherwise) */
.spotlight {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 22%), rgba(123, 92, 255, 0.14), transparent 62%);
}

/* Faint blueprint grid for editorial texture */
.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(22, 24, 47, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 24, 47, 0.035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
}

/* ---- Shell + header -------------------------------------------------- */

.page-shell {
  position: relative;
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 1.2rem 0 2.5rem;
}

.site-header {
  position: sticky;
  top: 1rem;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 0.7rem 0.9rem 0.7rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow-soft);
  border-color: rgba(22, 24, 47, 0.06);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
}

.brand-logo {
  width: 2.3rem;
  height: 2.3rem;
  flex: 0 0 auto;
}

.brand-text {
  font-family: var(--font-mono);
  color: var(--ink);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-llc {
  margin-left: 0.32rem;
  font-size: 0.6em;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c1);
  vertical-align: 0.18em;
}

.site-nav {
  display: flex;
  gap: 1.4rem;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--muted);
}

.site-nav a {
  position: relative;
  padding-bottom: 2px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--accent-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

/* ---- Buttons --------------------------------------------------------- */

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  min-height: 2.9rem;
  padding: 0.75rem 1.3rem;
  border: 0;
  border-radius: 11px;
  background: var(--accent-grad);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(123, 92, 255, 0.32);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

/* Shimmer sweep on hover */
.button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.45), transparent 80%);
  transform: translateX(-130%);
  transition: transform 0.6s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(123, 92, 255, 0.4);
}

.button:hover::after,
.button:focus-visible::after {
  transform: translateX(130%);
}

.button-secondary,
.button-ghost {
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  box-shadow: none;
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.button-secondary::after,
.button-ghost::after {
  display: none;
}

.button-secondary:hover,
.button-ghost:hover,
.button-secondary:focus-visible,
.button-ghost:focus-visible {
  border-color: transparent;
  box-shadow: 0 0 0 1.5px transparent;
  background:
    linear-gradient(#fff, #fff) padding-box,
    var(--accent-grad) border-box;
  border: 1px solid transparent;
  transform: translateY(-2px);
}

/* ---- Hero (centered) ------------------------------------------------- */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 0 1rem;
}

.avatar-ring {
  position: relative;
  width: min(13rem, 46vw);
  aspect-ratio: 1;
  border-radius: 50%;
  padding: 7px;
  background: #fff;
  box-shadow: var(--shadow-lift);
  margin-bottom: 1.6rem;
}

/* Rotating conic-gradient halo behind the avatar */
.avatar-ring::before {
  content: "";
  position: absolute;
  inset: -6px;
  z-index: -1;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--c1), var(--c2), var(--c3), var(--c1));
  animation: spin 7s linear infinite;
}

.avatar-ring::after {
  content: "";
  position: absolute;
  inset: -16px;
  z-index: -2;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--c1), var(--c2), var(--c3), var(--c1));
  filter: blur(22px);
  opacity: 0.5;
  animation: spin 7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.avatar-ring img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  background: #16182f;
  transform: scale(1.06);
}

.eyebrow {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  color: var(--c1);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.eyebrow::before {
  content: "// ";
  opacity: 0.55;
}

h1,
h2,
h3,
.tagline {
  margin: 0;
}

h1,
h2 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(3rem, 8.4vw, 5.3rem);
}

.name-grad {
  background: var(--name-grad);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: pan 9s ease infinite;
}

@keyframes pan {
  0%, 100% { background-position: 0% 0; }
  50% { background-position: 100% 0; }
}

h2 {
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
}

h3 {
  font-size: 1.18rem;
}

.tagline {
  margin: 1rem auto 0;
  max-width: 46rem;
  color: var(--ink);
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  font-weight: 600;
  line-height: 1.45;
}

.hero-text,
.section-heading p,
.about-copy p,
.timeline-item p,
.edu-card p,
.work-card p,
.site-footer {
  color: var(--muted);
  line-height: 1.74;
}

.hero-text {
  max-width: 40rem;
  margin: 1.6rem auto 0;
  font-size: 1.04rem;
}

.fact-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  list-style: none;
  padding: 0;
  margin: 1.6rem 0 0;
  font-size: 0.85rem;
}

.fact-pills li {
  padding: 0.42rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(58, 40, 120, 0.05);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
  margin: 1.8rem 0 0;
}

/* ---- Sections -------------------------------------------------------- */

.section {
  padding: 4.5rem 0 0;
}

.section-heading {
  max-width: 46rem;
  margin: 0 auto 2rem;
  text-align: center;
}

.section-heading .eyebrow {
  display: block;
}

.section-heading h2 {
  margin-top: 0.2rem;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 1.6rem;
  align-items: start;
}

.about-copy p {
  margin: 0 0 1.1rem;
  font-size: 1.06rem;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.skills-card {
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-strong);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
}

.skills-label {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  color: var(--c1);
  font-size: 0.78rem;
  font-weight: 600;
}

.skills-label::before {
  content: "// ";
  opacity: 0.55;
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.skill-chips li {
  padding: 0.4rem 0.8rem;
  border-radius: 9px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: #4a3aa0;
  background: rgba(123, 92, 255, 0.1);
  border: 1px solid rgba(123, 92, 255, 0.2);
  transition: transform 0.16s ease, background 0.16s ease;
}

.skill-chips li:hover {
  transform: translateY(-2px);
  background: rgba(123, 92, 255, 0.16);
}

/* ---- Experience: gradient-spine timeline ----------------------------- */

.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
  padding: 0;
  margin: 0 auto;
  max-width: 46rem;
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--c1), var(--c2), var(--c3));
}

.timeline-item {
  position: relative;
  margin-left: 2.4rem;
  padding: 1.3rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.4rem;
  top: 1.5rem;
  width: 14px;
  height: 14px;
  margin-left: 1px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--c1);
  box-shadow: 0 0 0 4px rgba(123, 92, 255, 0.14);
  transform: translateX(-50%);
}

.timeline-item:nth-child(2)::before { border-color: var(--c2); box-shadow: 0 0 0 4px rgba(236, 78, 196, 0.14); }
.timeline-item:nth-child(3)::before { border-color: var(--c3); box-shadow: 0 0 0 4px rgba(47, 182, 255, 0.14); }
.timeline-item:nth-child(4)::before { border-color: var(--c1); box-shadow: 0 0 0 4px rgba(123, 92, 255, 0.14); }

.timeline-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lift);
  border-color: rgba(123, 92, 255, 0.35);
}

.timeline-when {
  display: inline-block;
  margin-bottom: 0.45rem;
  padding: 0.24rem 0.7rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  background: rgba(123, 92, 255, 0.1);
  color: #6a3df5;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.timeline-item h3 {
  margin: 0.15rem 0 0.1rem;
  color: var(--ink);
}

.timeline-where {
  margin: 0 0 0.6rem;
  font-weight: 700;
  font-size: 0.95rem;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

/* ---- Education ------------------------------------------------------- */

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

.edu-card,
.work-card {
  position: relative;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-strong);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  overflow: hidden;
}

/* Gradient top-edge that reveals on hover */
.edu-card::before,
.work-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.edu-card:hover,
.work-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lift);
  border-color: rgba(123, 92, 255, 0.3);
}

.edu-card:hover::before,
.work-card:hover::before {
  transform: scaleX(1);
}

.edu-card h3 {
  margin: 0 0 0.2rem;
  color: var(--ink);
}

.edu-meta {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  color: var(--c2);
  font-weight: 600;
  font-size: 0.86rem;
}

.edu-card p:last-child {
  margin: 0;
  font-size: 0.95rem;
}

/* ---- Work ------------------------------------------------------------ */

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.work-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.work-tag {
  display: inline-block;
  align-self: flex-start;
  margin: 0;
  padding: 0.24rem 0.7rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  background: var(--accent-grad);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.work-card h3 {
  margin: 0.1rem 0;
  color: var(--ink);
}

.work-card p {
  margin: 0;
}

.work-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  margin-top: 0.5rem;
}

.work-links a {
  font-weight: 700;
  font-size: 0.95rem;
  color: #6a3df5;
}

.work-links a:hover,
.work-links a:focus-visible {
  text-decoration: underline;
}

/* ---- Footer ---------------------------------------------------------- */

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 3.5rem;
  padding: 1.8rem 0 0.4rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
}

.footer-logo {
  width: 1.5rem;
  height: 1.5rem;
}

.footer-links {
  display: flex;
  gap: 1.3rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
}

.footer-links a {
  color: #6a3df5;
  font-weight: 600;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  text-decoration: underline;
}

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

/* ---- Reveal-on-scroll ------------------------------------------------ */

.reveal {
  opacity: 0;
  transform: translateY(22px) scale(0.99);
  transition: opacity 650ms ease, transform 650ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .aurora span,
  .avatar-ring::before,
  .avatar-ring::after,
  .name-grad {
    animation: none !important;
  }

  .button:hover,
  .button:focus-visible,
  .button-secondary:hover,
  .button-ghost:hover,
  .timeline-item:hover,
  .edu-card:hover,
  .work-card:hover {
    transform: none;
  }
}

/* ---- Responsive ------------------------------------------------------ */

@media (max-width: 900px) {
  .about-grid,
  .edu-grid,
  .work-grid {
    grid-template-columns: 1fr;
  }

  .site-nav {
    display: none;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 1.1rem), var(--max-width));
  }

  .site-header {
    padding: 0.6rem 0.7rem 0.6rem 0.9rem;
  }

  .brand-text {
    font-size: 1rem;
  }

  .button,
  .button-secondary {
    width: 100%;
  }

  .button-ghost {
    width: auto;
    min-height: 2.6rem;
    padding: 0.55rem 1rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}