:root {
  color-scheme: dark;
  --bg: #050505;
  --surface: rgba(12, 12, 16, 0.65);
  --glass: rgba(12, 12, 16, 0.55);
  --glass-border: rgba(255, 255, 255, 0.08);
  --text: #f4f4f6;
  --muted: #b3b3bf;
  --accent-blue: #0d6efd;
  --radius-pill: 999px;
  --radius-lg: 36px;
  --radius-md: 24px;
  --transition: 240ms ease;
  --container: min(1120px, 92vw);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
    sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: radial-gradient(circle at top right, #07102b, transparent 55%),
    radial-gradient(circle at bottom left, #20011f, transparent 55%), var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  scroll-snap-type: y mandatory;
  scroll-padding-top: 140px;
  position: relative;
}

#about-core {
  scroll-margin-top: clamp(160px, 18vh, 220px);
}

#experiences {
  scroll-margin-top: clamp(160px, 18vh, 220px);
}

.bg-glow {
  position: fixed;
  width: 760px;
  height: 760px;
  filter: blur(120px);
  opacity: 0.65;
  pointer-events: none;
  z-index: -2;
}

.bg-glow--blue {
  top: -160px;
  right: -220px;
  background: radial-gradient(circle, var(--accent-blue), transparent 65%);
}

.bg-glow--pink {
  top: 680px;
  left: -260px;
  background: radial-gradient(circle, #ff1f8f, transparent 65%);
}

main {
  margin-top: 160px;
}

.section-panel {
  min-height: 100vh;
  padding-block: clamp(80px, 14vh, 80px);
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  align-items: center;
}

.section-panel.is-stackable {
  position: sticky;
  top: 0;
  display: block;
  padding-block: clamp(120px, 18vh, 220px);
  background: linear-gradient(180deg, rgba(5, 5, 7, 0.96), rgba(5, 5, 7, 0.88));
  z-index: 0;
}

.section-inner {
  width: var(--container);
  margin-inline: auto;
  display: grid;
  gap: 32px;
}

.section-panel.is-stackable .section-inner {
  min-height: calc(100vh - clamp(220px, 28vh, 320px));
  align-content: center;
}

.section-heading {
  margin: 0;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.02em;
}

.section-loader {
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-loader::after {
  content: 'Loading…';
}

.section-error p {
  margin: 0;
  padding: 32px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--glass-border);
  color: var(--muted);
  text-align: center;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 32px;
  z-index: 10;
  display: flex;
  justify-content: center;
  padding-inline: 24px;
}

.nav-glass {
  width: min(720px, 100%);
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 20px;
  backdrop-filter: blur(36px);
  box-shadow: 0 24px 45px rgba(0, 0, 0, 0.45);
  position: relative;
}

.nav-glass::after {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.92rem;
  transition: color var(--transition);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
}

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

.nav-links a.is-active {
  color: var(--text);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
}

.brand.is-active {
  color: var(--text);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: transparent;
  border: 0;
  padding: 4px 0;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
}

/* ---------- Hero ---------- */

.hero .section-inner {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: clamp(56px, 9vw, 130px);
}

.hero__content {
  display: grid;
  gap: 24px;
  max-width: 520px;
}

.hero__content h1 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 5.75rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.hero__lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.hero__visual {
  position: relative;
  width: clamp(280px, 38vw, 380px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  transform: translateY(-80%);
}

.hero__visual-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.hero__orb {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.2), transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(59, 111, 255, 0.55), transparent 70%),
    rgba(24, 24, 30, 0.75);
  filter: drop-shadow(0 40px 60px rgba(0, 0, 0, 0.45));
}

.hero__media {
  position: relative;
  width: 70%;
  aspect-ratio: 1;
  border-radius: 50%;
  padding: 30px;
  display: grid;
  place-items: center;
  border-inline: 3px solid rgba(255, 255, 255, 0.15);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.05));
  z-index: 1;
}

.hero__media-image {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  border: 2px  rgba(255, 255, 255, 0.3);
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.15);
  text-align: center;
  padding: 0px;
  color: var(--bg);
  font-weight: 700;
  text-transform: uppercase;
}

.hero__media-image span {
  letter-spacing: 0.08em;
  font-size: 0.9rem;
}

.hero__media-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.hero__sticker {
  position: absolute;
  font-size: clamp(4.5rem, 4.5vw, 10rem);
}

.hero__sticker--rocket {
  top: -4%;
  left: 12%;
}

.hero__sticker--wave {
  bottom: 0%;
  right: 4%;
}

/* ---------- About + Core ---------- */

.about-core .section-inner {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: start;
  gap: clamp(48px, 8vw, 96px);
}

.about {
  display: grid;
  gap: 24px;
}

.about__highlights {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.about__highlights li {
  padding: 18px 26px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.95rem;
}

.core {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
}

.core__pin {
  position: sticky;
  top: clamp(80px, 15vh, 160px);
  display: grid;
  gap: 32px;
}

.core__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.core__button {
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.08);
  letter-spacing: 0.02em;
  text-transform: lowercase;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition),
    transform var(--transition), color var(--transition);
  outline: none;
}

.core__button:hover,
.core__button:focus-visible {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

  .core__button.is-active {
    background: rgba(255, 255, 255, 0.28);
    color: #050505;
    border-color: rgba(255, 255, 255, 0.45);
  }

  .core__panel {
    background: rgba(20, 20, 26, 0.72);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    padding: clamp(28px, 4vw, 36px);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: clamp(20px, 4vw, 48px);
    align-items: center;
    color: var(--muted);
    position: relative;
    overflow: hidden;
  }

  .core__copy {
    display: grid;
    gap: 12px;
    max-width: 520px;
  }

  .core__steps {
    margin-top: 40px;
    display: grid;
    gap: 0;
  }

  .core__step {
    height: 100vh;
    scroll-margin-top: clamp(80px, 15vh, 160px);
  }

  .core__description-title {
    margin: 0;
    font-size: 1.2rem;
    letter-spacing: 0.08em;
    color: var(--text);
    text-transform: uppercase;
  }

  .core__description-text {
    margin: 0;
    line-height: 1.7;
  }

  .core__figure {
    position: relative;
    width: clamp(180px, 22vw, 260px);
    aspect-ratio: 1;
    display: grid;
    place-items: center;
  }

  .core__glow {
    position: absolute;
    width: 140%;
    height: 140%;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.75;
    transition: transform 420ms ease, opacity 420ms ease;
  }

  .core__glow--blue {
    background: radial-gradient(circle, rgba(59, 111, 255, 0.85), transparent 70%);
    transform: translate(-20%, -20%);
  }

  .core__glow--pink {
    background: radial-gradient(circle, rgba(255, 31, 143, 0.85), transparent 70%);
    transform: translate(25%, 25%);
  }

  .core__figure[data-glow='swap'] .core__glow--blue {
    transform: translate(25%, 30%);
  }

  .core__figure[data-glow='swap'] .core__glow--pink {
    transform: translate(-25%, -15%);
  }

.core__emoji {
  position: relative;
  width: clamp(120px, 18vw, 180px);
  height: clamp(120px, 18vw, 180px);
  object-fit: contain;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.45));
  transition: transform 320ms ease;
  visibility: hidden;
}

  .core__figure:hover .core__emoji {
    transform: translateY(-6px) scale(1.02);
  }

/* ---------- Experiences ---------- */

.experiences .section-inner {
  gap: 0;
}

.experience-viewport {
  display: grid;
  gap: 32px;
}

.experience-pin {
  position: sticky;
  top: clamp(80px, 15vh, 160px);
  display: grid;
  gap: 32px;
  padding: clamp(24px, 4vw, 40px);
  padding-top: 0;
  
}

.experience-heading {
  position: sticky;
  top: 0;
  padding-bottom: 16px;
  z-index: 2;
  margin-bottom: 8px;
}

.experience-heading h2 {
  margin: 0;
}

.skills .section-inner {
  gap: 32px;
}

.skills-heading {
  max-width: 600px;
}

.skills-heading h2 {
  margin: 0 0 12px;
  font-size: clamp(2.4rem, 5vw, 3.2rem);
}

.skills-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: clamp(16px, 3vw, 28px);
  position: relative;
  max-width: 100%;
}

.skill-card {
  position: relative;
  padding: clamp(24px, 3vw, 32px);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(18, 18, 24, 0.8), rgba(10, 10, 14, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 24px 40px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  transition: transform 320ms ease, border-color 320ms ease, box-shadow 320ms ease;
  cursor: default;
}

.skill-card::before,
.skill-card::after {
  content: '';
  position: absolute;
  inset: -40%;
  opacity: 0;
  transition: opacity 360ms ease, transform 360ms ease;
  pointer-events: none;
}

.skill-card::before {
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.074), transparent 60%);
}

.skill-card::after {
  background: linear-gradient(135deg, rgba(59, 111, 255, 0.4), rgba(255, 31, 143, 0.35));
}

.skill-card:hover,
.skill-card:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 32px 60px rgba(15, 20, 45, 0.5);
}

.skill-card:hover::after,
.skill-card:focus-visible::after {
  opacity: 0.2;
  transform: scale(1.05);
}

.skill-card:hover::before,
.skill-card:focus-visible::before {
  opacity: 1;
}

.skill-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.skill-card__icon {
  font-size: clamp(1.5rem, 2vw, 2rem);
}

.skill-card__header h3 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.skill-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-card__list li {
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
}

.skills-grid[data-skill-grid] {
  --mouse-x: 50%;
  --mouse-y: 50%;
}

.skills-grid[data-skill-grid] .skill-card {
  isolation: isolate;
}
.experience-tabs {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.experience-tabs::-webkit-scrollbar {
  display: none;
}

.experience-tab {
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(10, 10, 14, 0.7);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
    border-color var(--transition);
  outline: none;
}

.experience-tab.is-active {
  background: rgba(255, 255, 255, 0.16);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}

.experience-slider {
  display: grid;
  gap: 24px;
  isolation: isolate;
  width: 100%;
  background-color: #ffffff00;
}

.slider-viewport {
  overflow: hidden;
  position: relative;
  width: 100%;
  background-color: #ffffff00;
}

.slider-track {
  display: flex;
  gap: 24px;
  min-width: max-content;
  transition: transform var(--transition);
  will-change: transform;
  background-color: #ffffff00;
  z-index: 10;
}

.experience-card {
  flex: 0 0 clamp(280px, 26vw, 360px);
  min-height: 520px;
  padding: 32px 28px;
  border-radius: 40px;
  background: linear-gradient(180deg, rgba(18, 18, 24, 0.75), rgba(8, 8, 12, 0.85));
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 45px 80px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
  gap: 20px;
  translate: 0;
  opacity: 0.3;
  scale: 0.94;
  transition: opacity var(--transition), scale var(--transition);
}

.experience-card.is-active {
  opacity: 1;
  scale: 1;
}

.experience-card__media {
  aspect-ratio: 16 / 9;
  border-radius: 28px;
  border: 1px dashed rgba(255, 255, 255, 0.2);
  overflow: hidden;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(16, 16, 22, 0.4));
}

.experience-card {
  pointer-events: none;
}

.experience-card.is-active {
  pointer-events: auto;
}

.experience-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.experience-card header h3 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.experience-card header p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.experience-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.experience-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.experience-card li {
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  letter-spacing: 0.01em;
}

.slider-dots {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
}

.slider-dot.is-active {
  background: rgba(255, 255, 255, 0.7);
}

/* ---------- Projects ---------- */

.projects .section-inner {
  gap: 32px;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.project-card {
  background: rgba(15, 15, 20, 0.74);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
  display: grid;
  gap: 20px;
}

.project-card__media {
  aspect-ratio: 16 / 9;
  border-radius: 20px;
  border: 1px rgba(255, 255, 255, 0.2);
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(16, 16, 22, 0.55));
  overflow: hidden;
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card__body {
  display: grid;
  gap: 12px;
}

.project-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.project-card p {
  margin: 0;
  color: var(--muted);
}

.media-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

/* ---------- Contact ---------- */

.contact__content {
  background: rgba(12, 12, 16, 0.72);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--glass-border);
  display: grid;
  gap: 16px;
}

.contact__content p {
  margin: 0;
  color: var(--muted);
}

.contact__content a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.contact__content a:hover,
.contact__content a:focus-visible {
  border-color: rgba(255, 255, 255, 0.5);
}

.contact__links {
  display: flex;
  gap: 20px;
}

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

.site-footer {
  padding: 48px 0 64px;
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.85rem;
}

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

@media (max-width: 920px) {
  body {
    scroll-snap-type: none;
    scroll-padding-top: 120px;
  }

  main {
    margin-top: 136px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: fixed;
    top: 108px;
    inset-inline: 24px;
    background: rgba(10, 10, 14, 0.88);
    backdrop-filter: blur(18px);
    flex-direction: column;
    align-items: center;
    padding: 32px;
    border-radius: 32px;
    box-shadow: 0 24px 45px rgba(0, 0, 0, 0.45);
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }

  .nav-glass.open .nav-links {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .section-panel {
    min-height: auto;
    padding-block: 120px;
  }

  .section-panel.is-stackable {
    position: static;
    padding-block: 96px;
    background: transparent;
  }

  .hero .section-inner {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .hero__visual {
    order: -1;
    transform: translateY(-6%);
    padding-top: 0;
  }

  .hero__visual-wrap {
    width: clamp(260px, 60vw, 340px);
  }

  .hero-nav {
    position: static;
    transform: none;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
  }

  .about-core .section-inner {
    grid-template-columns: 1fr;
  }

  .core__pin {
    position: static;
  }

  .core__steps {
    display: none;
  }

  .core__panel {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .core__copy {
    max-width: 100%;
  }

  .experience-steps {
    display: none;
  }

  .experience-pin {
    position: static;
    padding: 0;
    background: transparent;
    border: 0;
    backdrop-filter: none;
  }

  .experience-heading {
    position: static;
    background: transparent;
    margin-bottom: 16px;
  }

  .experience-slider {
    display: block;
    padding: 0;
  }

  .slider-viewport {
    overflow: visible;
  }

  .slider-track {
    display: block;
    min-width: 0;
    transform: none !important;
    gap: 0;
  }

  .experience-card {
    flex: none;
    width: 100%;
    min-height: auto;
    opacity: 1;
    scale: 1;
    display: none;
    margin-bottom: 16px;
  }

  .experience-card.is-active {
    display: block;
  }

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

  .slider-track {
    gap: 16px;
  }
}

@media (max-width: 560px) {
  body {
    scroll-padding-top: 108px;
  }

  main {
    margin-top: 120px;
  }

  .section-panel {
    padding-block: 96px;
  }

  .nav-glass {
    width: 100%;
  }

  .hero__content h1 {
    font-size: clamp(2.8rem, 10vw, 3.6rem);
  }

  .hero__lead {
    font-size: 1rem;
  }

  .slider-track {
    gap: 12px;
  }

  .experience-card {
    padding: 28px 24px;
    margin-bottom: 12px;
  }

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

  .skill-card {
    padding: 24px;
  }

  .skills-heading p {
    font-size: 0.95rem;
  }

  .core__figure {
    width: clamp(140px, 50vw, 200px);
  }

  .contact__links {
    flex-direction: column;
    align-items: flex-start;
  }
}
.experience-steps {
  display: grid;
  gap: 0;
}

.experience-step {
  height: 100vh;
  scroll-margin-top: clamp(80px, 15vh, 160px);
}