:root {
  --purple-950: #1d0b36;
  --purple-900: #2e1065;
  --purple-800: #4c1d95;
  --purple-700: #6d28d9;
  --purple-600: #7c3aed;
  --purple-500: #8b5cf6;
  --purple-300: #c4b5fd;
  --purple-200: #ddd6fe;
  --purple-100: #ede9fe;
  --purple-50: #f5f3ff;
  --ink: #21182d;
  --muted: #6b6474;
  --white: #ffffff;
  --line: rgba(76, 29, 149, 0.14);
  --shadow: 0 24px 70px rgba(46, 16, 101, 0.14);
  --radius-lg: 30px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  color: var(--white);
  background: var(--purple-700);
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 800px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 7vw, 6.4rem);
  font-weight: 820;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2.25rem, 4.7vw, 4.2rem);
  font-weight: 800;
}

h3 {
  margin-bottom: 14px;
  font-size: 1.35rem;
}

p {
  color: var(--muted);
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.section {
  padding: 120px 0;
}

.section-soft {
  background: linear-gradient(180deg, var(--purple-50), #fbfaff);
}

.section-dark {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 8% 6%, rgba(139, 92, 246, 0.34), transparent 27%),
    radial-gradient(circle at 92% 88%, rgba(124, 58, 237, 0.22), transparent 28%),
    var(--purple-950);
}

.section-dark::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

.section-dark > .container {
  position: relative;
}

.section-dark p {
  color: rgba(255, 255, 255, 0.68);
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 16px;
  left: 16px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--purple-900);
  border-radius: 8px;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.88);
  border-color: var(--line);
  box-shadow: 0 12px 40px rgba(46, 16, 101, 0.06);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 780;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  color: var(--white);
  background: linear-gradient(135deg, var(--purple-600), var(--purple-900));
  border-radius: 13px;
  box-shadow: 0 10px 24px rgba(109, 40, 217, 0.26);
  place-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links > a:not(.button) {
  position: relative;
  color: #4d4656;
  font-size: 0.95rem;
  font-weight: 650;
}

.nav-links > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  background: var(--purple-600);
  border-radius: 999px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.nav-links > a:not(.button):hover::after,
.nav-links > a:not(.button):focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 11px;
  background: var(--purple-50);
  border: 0;
  border-radius: 12px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: var(--purple-900);
  border-radius: 999px;
  transition: transform 180ms ease, opacity 180ms ease;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  color: var(--white);
  background: linear-gradient(135deg, var(--purple-600), var(--purple-800));
  border: 1px solid transparent;
  border-radius: 999px;
  box-shadow: 0 14px 34px rgba(109, 40, 217, 0.25);
  font-weight: 750;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  box-shadow: 0 18px 42px rgba(109, 40, 217, 0.34);
  transform: translateY(-2px);
}

.button-small {
  min-height: 42px;
  padding-inline: 19px;
  font-size: 0.92rem;
}

.button-secondary {
  color: var(--purple-800);
  background: transparent;
  border-color: rgba(109, 40, 217, 0.3);
  box-shadow: none;
}

.button-secondary:hover,
.button-secondary:focus-visible {
  color: var(--white);
  background: var(--purple-800);
  box-shadow: 0 14px 34px rgba(109, 40, 217, 0.22);
}

.button-light {
  color: var(--purple-900);
  background: var(--white);
  box-shadow: 0 14px 34px rgba(31, 9, 59, 0.24);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--purple-700);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 32px;
  height: 2px;
  background: currentColor;
  content: "";
}

.section-dark .eyebrow {
  color: var(--purple-300);
}

.hero {
  position: relative;
  display: grid;
  min-height: 100vh;
  padding-top: 150px;
  overflow: hidden;
  background:
    radial-gradient(circle at 75% 15%, rgba(196, 181, 253, 0.45), transparent 27%),
    radial-gradient(circle at 8% 85%, rgba(221, 214, 254, 0.55), transparent 24%),
    linear-gradient(180deg, #fff 0%, #fbf9ff 100%);
  align-items: center;
}

.hero::before {
  position: absolute;
  top: 110px;
  right: -180px;
  width: 500px;
  height: 500px;
  border: 1px solid rgba(124, 58, 237, 0.09);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(124, 58, 237, 0.028), 0 0 0 140px rgba(124, 58, 237, 0.018);
  content: "";
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(360px, 0.7fr);
  gap: 72px;
  align-items: center;
}

.hero-summary {
  max-width: 720px;
  margin-bottom: 32px;
  font-size: clamp(1.08rem, 1.5vw, 1.26rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 46px;
}

.hero-highlights {
  display: flex;
  gap: 36px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero-highlights li {
  display: grid;
  gap: 4px;
}

.hero-highlights strong {
  color: var(--purple-900);
  font-size: 0.96rem;
}

.hero-highlights span {
  color: var(--muted);
  font-size: 0.78rem;
}

.hero-visual {
  position: relative;
  min-height: 580px;
}

.portrait-card {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 285px;
  height: 365px;
  color: var(--white);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.18), transparent 48%),
    linear-gradient(145deg, var(--purple-500), var(--purple-950));
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 140px 140px 38px 38px;
  box-shadow: var(--shadow);
  transform: translate(-50%, -50%);
  overflow: hidden;
}

.portrait-card::before,
.portrait-card::after {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  content: "";
}

.portrait-card::before {
  width: 240px;
  height: 240px;
}

.portrait-card::after {
  width: 330px;
  height: 330px;
}

.portrait-initials {
  position: relative;
  z-index: 2;
  font-size: 6rem;
  font-weight: 850;
  letter-spacing: -0.09em;
  text-shadow: 0 10px 30px rgba(20, 5, 48, 0.34);
}

.portrait-role {
  position: relative;
  z-index: 2;
  margin-top: 12px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(109, 40, 217, 0.18);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  width: 420px;
  height: 420px;
}

.orbit-two {
  width: 520px;
  height: 520px;
  border-style: dashed;
  animation: spin 28s linear infinite;
}

.orbit-three {
  width: 345px;
  height: 500px;
  transform: translate(-50%, -50%) rotate(42deg);
}

.floating-card {
  position: absolute;
  z-index: 4;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 10px;
  align-items: center;
  padding: 15px 18px;
  color: #4a4053;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(109, 40, 217, 0.14);
  border-radius: 18px;
  box-shadow: 0 18px 45px rgba(46, 16, 101, 0.14);
  font-size: 0.76rem;
  font-weight: 650;
  backdrop-filter: blur(16px);
}

.floating-card span {
  grid-row: 1 / 3;
  display: grid;
  width: 43px;
  height: 43px;
  color: var(--white);
  background: linear-gradient(135deg, var(--purple-500), var(--purple-800));
  border-radius: 13px;
  font-size: 0.74rem;
  place-items: center;
}

.card-api {
  top: 100px;
  left: -10px;
  animation: float 5.2s ease-in-out infinite;
}

.card-data {
  top: 280px;
  right: -30px;
  animation: float 6s ease-in-out infinite 0.6s;
}

.card-cloud {
  bottom: 60px;
  left: 20px;
  animation: float 5.6s ease-in-out infinite 0.3s;
}

.two-column {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 100px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 62px;
}

.section-heading p:last-child {
  max-width: 650px;
  margin-bottom: 0;
  font-size: 1.05rem;
}

.section-heading-centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading-centered .eyebrow {
  justify-content: center;
}

.about-copy > p {
  font-size: 1.08rem;
}

.education-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  padding: 28px;
  margin-top: 36px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 18px 45px rgba(76, 29, 149, 0.07);
}

.education-card p:last-child {
  margin-bottom: 0;
}

.education-card strong {
  color: var(--ink);
}

.education-icon {
  display: grid;
  width: 48px;
  height: 48px;
  color: var(--white);
  background: linear-gradient(135deg, var(--purple-500), var(--purple-800));
  border-radius: 14px;
  place-items: center;
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin-inline: auto;
}

.timeline::before {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 213px;
  width: 1px;
  background: linear-gradient(var(--purple-300), var(--purple-100));
  content: "";
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 185px 1fr;
  gap: 56px;
  padding-bottom: 68px;
}

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

.timeline-marker {
  position: absolute;
  top: 5px;
  left: 205px;
  width: 17px;
  height: 17px;
  background: var(--white);
  border: 4px solid var(--purple-600);
  border-radius: 50%;
  box-shadow: 0 0 0 7px var(--purple-100);
}

.timeline-meta {
  display: grid;
  align-content: start;
  gap: 7px;
  padding-top: 2px;
  color: var(--purple-700);
  font-size: 0.86rem;
  font-weight: 760;
  text-align: right;
}

.timeline-meta span:last-child {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
}

.timeline-content {
  padding: 0 0 0 10px;
}

.timeline-content h3 {
  font-size: 1.65rem;
}

.timeline-content p {
  max-width: 690px;
}

.check-list {
  display: grid;
  gap: 11px;
  padding: 0;
  margin: 24px 0 0;
  color: var(--muted);
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 26px;
}

.check-list li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--purple-500);
  border-radius: 50%;
  box-shadow: 0 0 0 5px var(--purple-100);
  content: "";
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.project-card {
  position: relative;
  min-height: 380px;
  padding: 38px;
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 220ms ease, background 220ms ease, border-color 220ms ease;
}

.project-card::after {
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 220px;
  height: 220px;
  background: rgba(139, 92, 246, 0.11);
  border-radius: 50%;
  content: "";
  transition: transform 220ms ease;
}

.project-card:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(196, 181, 253, 0.38);
  transform: translateY(-6px);
}

.project-card:hover::after {
  transform: scale(1.2);
}

.project-card h3 {
  position: relative;
  z-index: 1;
  max-width: 470px;
  font-size: 1.75rem;
}

.project-card p {
  position: relative;
  z-index: 1;
}

.project-number {
  position: absolute;
  top: 24px;
  right: 30px;
  color: rgba(255, 255, 255, 0.1);
  font-size: 4.7rem;
  font-weight: 850;
  line-height: 1;
}

.project-type {
  margin-bottom: 48px;
  color: var(--purple-300) !important;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.tag-list {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}

.tag-list li {
  padding: 7px 11px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.075);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 650;
}

.skills-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 70px;
  align-items: start;
}

.skills-layout .section-heading {
  position: sticky;
  top: 125px;
  margin-bottom: 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.skill-card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 42px rgba(76, 29, 149, 0.055);
  transition: transform 180ms ease, border-color 180ms ease;
}

.skill-card:hover {
  border-color: rgba(109, 40, 217, 0.32);
  transform: translateY(-4px);
}

.skill-icon {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 25px;
  color: var(--purple-700);
  background: var(--purple-100);
  border-radius: 13px;
  font-size: 0.8rem;
  font-weight: 850;
  place-items: center;
}

.skill-card p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.contact-section {
  padding-top: 40px;
}

.contact-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 80px;
  align-items: center;
  padding: 70px;
  color: var(--white);
  background:
    radial-gradient(circle at 90% 10%, rgba(196, 181, 253, 0.26), transparent 28%),
    linear-gradient(135deg, var(--purple-800), var(--purple-950));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.contact-card::after {
  position: absolute;
  right: -130px;
  bottom: -170px;
  width: 350px;
  height: 350px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  box-shadow: 0 0 0 55px rgba(255, 255, 255, 0.03), 0 0 0 110px rgba(255, 255, 255, 0.018);
  content: "";
}

.contact-card h2 {
  margin-bottom: 16px;
  font-size: clamp(2.2rem, 4.5vw, 4rem);
}

.contact-card p {
  max-width: 670px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.contact-card .eyebrow {
  color: var(--purple-300);
}

.contact-actions {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 15px;
  justify-items: start;
}

.text-link {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
  transition: color 180ms ease, transform 180ms ease;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--white);
  transform: translateX(3px);
}

.site-footer {
  padding: 35px 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.85rem;
}

.footer-content p {
  margin: 0;
}

.footer-content a {
  color: var(--purple-700);
  font-weight: 750;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 650ms ease, transform 650ms ease;
}

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

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@media (max-width: 980px) {
  .section {
    padding: 96px 0;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    inset: 78px 20px auto;
    display: grid;
    gap: 0;
    padding: 16px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

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

  .nav-links > a {
    padding: 14px 12px;
  }

  .nav-links > a:not(.button)::after {
    display: none;
  }

  .nav-links .button {
    margin-top: 8px;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero {
    min-height: auto;
    padding-top: 140px;
  }

  .hero-grid,
  .two-column,
  .skills-layout,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 20px;
  }

  .hero-visual {
    min-height: 520px;
  }

  .two-column {
    gap: 36px;
  }

  .skills-layout {
    gap: 50px;
  }

  .skills-layout .section-heading {
    position: static;
  }

  .contact-card {
    gap: 36px;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .section {
    padding: 78px 0;
  }

  h1 {
    font-size: clamp(2.8rem, 14vw, 4.4rem);
  }

  h2 {
    font-size: clamp(2.1rem, 10vw, 3.2rem);
  }

  .hero {
    padding-top: 125px;
  }

  .hero-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .hero-highlights li:last-child {
    grid-column: 1 / -1;
  }

  .hero-visual {
    min-height: 440px;
    transform: scale(0.88);
  }

  .card-api {
    left: -18px;
  }

  .card-data {
    right: -22px;
  }

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

  .project-card {
    min-height: auto;
    padding: 30px;
  }

  .project-type {
    margin-bottom: 38px;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-left: 38px;
    padding-bottom: 54px;
  }

  .timeline-marker {
    left: 0;
  }

  .timeline-meta {
    text-align: left;
  }

  .timeline-content {
    padding-left: 0;
  }

  .contact-card {
    padding: 40px 28px;
  }

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

@media (max-width: 470px) {
  .brand > span:last-child {
    display: none;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 390px;
    margin-inline: -38px;
    transform: scale(0.76);
  }

  .contact-actions,
  .contact-actions .button {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

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