:root {
    /* Light theme (default) */
    --bg: #f6f7fb;
    --bg-elevated: #ffffff;
    --bg-soft: #eef1ff;
    --border: rgba(148, 163, 184, 0.4);
    --border-strong: rgba(148, 163, 184, 0.7);
    --accent: #4f46e5;
    --accent-soft: rgba(79, 70, 229, 0.12);
    --accent-strong: #4338ca;
    --accent-alt: #ec4899;
    --accent-alt-soft: rgba(236, 72, 153, 0.12);
    --text: #020617;
    --text-muted: #4b5563;
    --text-soft: #6b7280;
    --shadow-soft: 0 18px 30px rgba(15, 23, 42, 0.16);
    --shadow-subtle: 0 10px 22px rgba(15, 23, 42, 0.08);
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-pill: 999px;
    --nav-height: 72px;
    --transition-fast: 0.18s ease-out;
    --transition-med: 0.25s ease-out;
  }
  
  /* Dark theme variables */
  body.theme-dark {
    --bg: #050816;
    --bg-elevated: rgba(13, 17, 23, 0.95);
    --bg-soft: rgba(15, 23, 42, 0.8);
    --border: rgba(148, 163, 184, 0.25);
    --border-strong: rgba(148, 163, 184, 0.45);
    --text: #e5e7eb;
    --text-muted: #9ca3af;
    --text-soft: #6b7280;
    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.9);
    --shadow-subtle: 0 12px 30px rgba(15, 23, 42, 0.7);
  }
  
  /* Base reset */
  
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  
  * {
    margin: 0;
    padding: 0;
  }
  
  html,
  body {
    height: 100%;
    scroll-behavior: smooth;
  }
  
  body {
    font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont,
      "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    position: relative;
    overflow-x: hidden;
  }
  
  img,
  svg {
    max-width: 100%;
    display: block;
  }
  
  /* Background layers */
  
  .noise-layer {
    pointer-events: none;
    position: fixed;
    inset: 0;
    opacity: 0.06;
    mix-blend-mode: soft-light;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='noStitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
    z-index: -1;
  }
  
  .gradient-orbit {
    position: fixed;
    border-radius: 999px;
    filter: blur(80px);
    opacity: 0.18;
    z-index: -2;
    mix-blend-mode: normal;
  }
  
  .gradient-orbit--one {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, #c7d2fe 0, transparent 60%);
    top: -80px;
    right: -120px;
  }
  
  .gradient-orbit--two {
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, #fbcfe8 0, transparent 55%);
    bottom: -160px;
    left: -100px;
  }
  
  /* Layout */
  
  .container {
    width: min(1120px, 100% - 3rem);
    margin-inline: auto;
  }
  
  .section {
    padding: 6rem 0;
    position: relative;
  }
  
  .section.section--tight {
    padding: 4rem 0 5rem;
  }
  
  /* subtle alternate section background */
  .section--alt {
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.9), transparent);
  }
  
  .section__header {
    margin-bottom: 2.5rem;
    max-width: 680px;
  }
  
  .section__eyebrow {
    font-size: 0.8rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
  }
  
  .section__title {
    font-size: clamp(1.9rem, 2.4vw, 2.3rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
  }
  
  .section__subtitle {
    font-size: 0.98rem;
    color: var(--text-muted);
  }
  
  /* Header / Nav */
  
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.96),
      rgba(255, 255, 255, 0.92),
      transparent
    );
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
  }
  
  body.theme-dark .site-header {
    background: linear-gradient(
      to bottom,
      rgba(15, 23, 42, 0.95),
      rgba(15, 23, 42, 0.85),
      transparent
    );
  }
  
  .site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
  }
  
  /* Brand */
  
  .brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  
  .brand__logo {
    width: 36px;
    height: 36px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    background: radial-gradient(circle at 0 0, #6366f1, #e0e7ff);
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  
  body.theme-dark .brand__logo {
    background: radial-gradient(circle at 0 0, #6366f1, #0f172a);
  }
  
  .brand__text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
  }
  
  .brand__name {
    font-size: 0.9rem;
    font-weight: 600;
  }
  
  .brand__title {
    font-size: 0.75rem;
    color: var(--text-muted);
  }
  
  /* Nav */
  
  .nav {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .nav__link {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.35rem 0.6rem;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: background-color var(--transition-fast),
      border-color var(--transition-fast),
      color var(--transition-fast),
      transform var(--transition-fast);
  }
  
  .nav__link:hover {
    color: var(--accent-strong);
    border-color: rgba(148, 163, 184, 0.45);
    background: rgba(255, 255, 255, 0.98);
    transform: translateY(-1px);
  }
  
  body.theme-dark .nav__link:hover {
    background: rgba(15, 23, 42, 0.9);
    color: var(--text);
  }
  
  /* Header actions */
  
  .header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  
  /* Buttons */
  
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color var(--transition-med), color var(--transition-med),
      transform var(--transition-fast), box-shadow var(--transition-med),
      border-color var(--transition-med);
  }
  
  .btn i {
    font-size: 0.9rem;
  }
  
  .btn--primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-alt));
    color: #f9fafb;
    box-shadow: 0 16px 35px rgba(79, 70, 229, 0.35);
  }
  
  .btn--primary:hover {
    transform: translateY(-1px) translateZ(0);
    box-shadow: 0 20px 45px rgba(79, 70, 229, 0.5);
  }
  
  .btn--ghost {
    border-color: var(--border-strong);
    background: var(--bg-elevated);
    color: var(--text-muted);
  }
  
  .btn--ghost:hover {
    color: var(--accent-strong);
    border-color: var(--accent);
    background: #ffffff;
  }
  
  body.theme-dark .btn--ghost {
    background: rgba(15, 23, 42, 0.9);
  }
  
  body.theme-dark .btn--ghost:hover {
    background: rgba(15, 23, 42, 0.95);
    color: var(--text);
  }
  
  /* Theme toggle */
  
  .theme-toggle {
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    background: var(--bg-elevated);
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast), transform var(--transition-fast),
      color var(--transition-fast), border-color var(--transition-fast);
  }
  
  .theme-toggle i {
    font-size: 0.95rem;
  }
  
  .theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-1px);
  }
  
  /* Pills / chips */
  
  .pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    border: 1px solid rgba(148, 163, 184, 0.4);
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.96);
  }
  
  body.theme-dark .pill {
    background: rgba(15, 23, 42, 0.8);
  }
  
  .pill--outline {
    background: rgba(255, 255, 255, 0.96);
  }
  
  body.theme-dark .pill--outline {
    background: rgba(15, 23, 42, 0.7);
  }
  
  .pill--subtle {
    border-style: dashed;
  }
  
  .pill--accent {
    border-color: rgba(129, 140, 248, 0.7);
    background: var(--accent-soft);
    color: #312e81;
  }
  
  body.theme-dark .pill--accent {
    color: #e0e7ff;
  }
  
  .pill--accent-alt {
    border-color: rgba(244, 114, 182, 0.7);
    background: var(--accent-alt-soft);
    color: #831843;
  }
  
  body.theme-dark .pill--accent-alt {
    color: #fdf2ff;
  }
  
  .chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    background: #ffffff;
    border: 1px solid rgba(148, 163, 184, 0.4);
    color: var(--text-muted);
  }
  
  body.theme-dark .chip {
    background: rgba(15, 23, 42, 0.85);
  }
  
  .chip--accent {
    border-color: rgba(129, 140, 248, 0.7);
    background: var(--accent-soft);
  }
  
  .chip--soft {
    background: rgba(248, 250, 252, 0.96);
  }
  
  body.theme-dark .chip--soft {
    background: rgba(15, 23, 42, 0.7);
  }
  
  .chip-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  
  /* Hero */
  
  .hero {
    padding-top: 5.5rem;
  }
  
  .hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1.25fr);
    gap: 2.75rem;
    align-items: center;
  }
  
  .hero__eyebrow {
    font-size: 0.8rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.9rem;
  }
  
  .hero__title {
    font-size: clamp(2.2rem, 4vw, 3rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 0.9rem;
  }
  
  .hero__subtitle {
    font-size: 0.98rem;
    color: var(--text-muted);
    max-width: 32rem;
  }
  
  .gradient-text {
    background: linear-gradient(135deg, #4f46e5, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  
  .hero__actions {
    margin-top: 1.7rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
  }
  
  .hero__tags {
    margin-top: 1.6rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
  }
  
  /* Hero side card */
  
  .hero__card {
    position: relative;
  }
  
  .hero-stats-card {
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background: linear-gradient(to bottom right, rgba(239, 246, 255, 0.9), #ffffff);
    padding: 1.6rem 1.5rem;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
  }
  
  body.theme-dark .hero-stats-card {
    background: radial-gradient(circle at top left, rgba(129, 140, 248, 0.18), transparent 55%),
      var(--bg-elevated);
  }
  
  .hero-stats-card__header {
    position: relative;
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1.2rem;
  }
  
  .hero-stats-card__label {
    font-size: 0.8rem;
    color: var(--text-muted);
  }
  
  .hero-stats {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }
  
  .hero-stat__value {
    font-size: 0.9rem;
    font-weight: 600;
  }
  
  .hero-stat__label {
    font-size: 0.85rem;
    color: var(--text-muted);
  }
  
  .hero-stats-card__divider {
    position: relative;
    height: 1px;
    background: linear-gradient(
      to right,
      transparent,
      rgba(148, 163, 184, 0.6),
      transparent
    );
    margin: 1.25rem 0;
  }
  
  .hero-list {
    position: relative;
    list-style: none;
    display: grid;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: var(--text-muted);
  }
  
  .hero-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.45rem;
  }
  
  .hero-list i {
    margin-top: 0.15rem;
    font-size: 0.8rem;
    color: #6366f1;
  }
  
  /* Cards */
  
  .card {
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    padding: 1.6rem 1.5rem;
    box-shadow: var(--shadow-subtle);
  }
  
  .card--elevated {
    backdrop-filter: blur(16px);
  }
  
  .card__title {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 1rem;
    margin-bottom: 0.9rem;
  }
  
  .card__title i {
    font-size: 1rem;
    color: var(--accent);
  }
  
  .card__body {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
  }
  
  /* About grid */
  
  .about__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 1.6rem;
  }
  
  /* Timeline */
  
  .timeline {
    display: grid;
    gap: 1.1rem;
    margin-top: 0.4rem;
  }
  
  .timeline__item {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 0.8rem;
  }
  
  .timeline__bullet {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--accent);
    margin-top: 0.3rem;
    box-shadow: 0 0 0 4px rgba(129, 140, 248, 0.3);
  }
  
  .timeline__top {
    display: flex;
    justify-content: space-between;
    gap: 0.7rem;
    font-size: 0.9rem;
  }
  
  .timeline__title {
    font-weight: 500;
  }
  
  .timeline__date {
    font-size: 0.78rem;
    color: var(--text-soft);
  }
  
  .timeline__meta {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 0.1rem;
  }
  
  /* Experience */
  
  .experience {
    display: grid;
    gap: 1.4rem;
  }
  
  .experience-card__header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
  }
  
  .experience-card__role {
    font-size: 1rem;
    margin-bottom: 0.2rem;
  }
  
  .experience-card__company {
    font-size: 0.9rem;
    color: var(--text-muted);
  }
  
  .experience-card__meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.35rem;
  }
  
  .experience-card__list {
    padding-left: 1.1rem;
    list-style: disc;
    display: grid;
    gap: 0.55rem;
    font-size: 0.9rem;
    color: var(--text-muted);
  }
  
  /* Projects */
  
  .projects-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.6rem;
  }
  
  .project-card__header {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
  }
  
  .project-card__title {
    font-size: 1rem;
  }
  
  .project-card__stack {
    font-size: 0.85rem;
    color: var(--text-soft);
    margin-bottom: 0.45rem;
  }
  
  .project-card__summary {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 0.65rem;
  }
  
  .project-card__list {
    padding-left: 1.1rem;
    list-style: disc;
    display: grid;
    gap: 0.45rem;
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 0.9rem;
  }
  
  .project-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
  }
  
  /* Project links */
  
  .project-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
  }
  
  .project-links .btn {
    padding-inline: 0.9rem;
    font-size: 0.8rem;
  }
  
  /* CURRENTLY WORKING ON */
  
  .current-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr);
    gap: 1.6rem;
  }
  
  .current-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.8rem;
    flex-wrap: wrap;
  }
  
  .current-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  
  .current-card__summary {
    font-size: 0.94rem;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
  }
  
  .current-card__list {
    padding-left: 1.1rem;
    list-style: disc;
    display: grid;
    gap: 0.45rem;
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 0.9rem;
  }
  
  .current-card__stack {
    font-size: 0.85rem;
    color: var(--text-soft);
  }
  
  /* Contact */
  
  .contact {
    max-width: 720px;
    margin-inline: auto;
  }
  
  .contact__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem;
    margin: 1.5rem 0 1.2rem;
  }
  
  .contact__item {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
  }
  
  .contact__label {
    font-size: 0.78rem;
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.12em;
  }
  
  .contact__value {
    font-size: 0.92rem;
    color: var(--text);
    text-decoration: none;
    word-break: break-all;
  }
  
  .contact__value:hover {
    color: var(--accent-strong);
  }
  
  .contact__actions {
    margin-top: 0.2rem;
  }
  
  /* Footer */
  
  .site-footer {
    border-top: 1px solid rgba(148, 163, 184, 0.3);
    padding: 1.1rem 0 1.6rem;
    backdrop-filter: blur(12px);
    background: linear-gradient(
      to top,
      rgba(255, 255, 255, 0.96),
      rgba(255, 255, 255, 0.9),
      transparent
    );
  }
  
  body.theme-dark .site-footer {
    background: linear-gradient(
      to top,
      rgba(15, 23, 42, 0.95),
      rgba(15, 23, 42, 0.75),
      transparent
    );
  }
  
  .site-footer__inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: var(--text-soft);
  }
  
  /* Reveal on scroll */
  
  .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }
  
  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* Responsive */
  
  @media (max-width: 960px) {
    .hero__grid {
      grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.1fr);
    }
  
    .about__grid {
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }
  
    .projects-grid {
      grid-template-columns: minmax(0, 1fr);
    }
  }
  
  @media (max-width: 800px) {
    .site-header__inner {
      gap: 0.75rem;
    }
  
    .nav {
      display: none;
    }
  
    .hero__grid {
      grid-template-columns: minmax(0, 1fr);
    }
  
    .hero__card {
      order: -1;
    }
  
    .hero {
      padding-top: 4.2rem;
    }
  
    .about__grid {
      grid-template-columns: minmax(0, 1fr);
    }
  
    .experience-card__header {
      flex-direction: column;
      align-items: flex-start;
    }
  
    .experience-card__meta {
      align-items: flex-start;
    }
  
    .contact__grid {
      grid-template-columns: minmax(0, 1fr);
    }
  
    .site-footer__inner {
      flex-direction: column;
      text-align: center;
    }
  
    .current-grid {
      grid-template-columns: minmax(0, 1fr);
    }
  }
  
  @media (max-width: 560px) {
    .card,
    .hero-stats-card {
      padding: 1.4rem 1.1rem;
    }
  
    .hero__actions {
      flex-direction: column;
      align-items: stretch;
    }
  }
  
  body.theme-dark .section--alt {
    background: transparent;
  }