@layer blocks {
  /* ===== SECTION ===== */
  .section {
    padding-block: var(--space-section);
    scroll-margin-top: var(--nav-height);
  }

  .section--alt {
    background-color: var(--color-bg-alt);
  }

  .section__title {
    text-align: center;
    margin-block-end: var(--space-2xl);
  }

  /* ===== NAVBAR ===== */
  .navbar {
    position: fixed;
    top: 0;
    inset-inline: 0;
    height: var(--nav-height);
    background-color: var(--color-bg-surface);
    box-shadow: var(--shadow-md);
    z-index: 100;
    display: flex;
    align-items: center;
  }

  .navbar .wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  .navbar__logo {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text);
    transition: color var(--transition-fast);
  }

  .navbar__logo:hover {
    color: var(--color-accent);
    text-decoration: none;
  }

  .navbar__menu {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .navbar__menu a {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
    transition: color var(--transition-fast);
  }

  .navbar__menu a:hover {
    color: var(--color-accent);
    text-decoration: none;
  }

  .navbar__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  /* ===== THEME TOGGLE ===== */
  .navbar__theme {
    cursor: pointer;
    display: flex;
    align-items: center;
  }

  .navbar__theme-track {
    position: relative;
    width: 2.75rem;
    height: 1.5rem;
    background-color: var(--color-bg-alt);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
  }

  .navbar__theme-thumb {
    position: absolute;
    top: 50%;
    left: 3px;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background-color: var(--color-accent);
    transform: translateY(-50%);
    transition: left var(--transition-base);
    box-shadow: var(--shadow-sm);
  }

  #theme-toggle:checked ~ .navbar__theme .navbar__theme-track {
    background-color: var(--color-accent);
    border-color: var(--color-accent-hover);
  }

  #theme-toggle:checked ~ .navbar__theme .navbar__theme-thumb {
    left: calc(100% - 1rem - 3px);
    background-color: #fff;
  }

  .navbar__lang {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    background-color: var(--color-bg-alt);
    color: var(--color-text);
    transition: background-color var(--transition-fast);
    border: none;
    cursor: pointer;
  }

  .navbar__lang:hover {
    text-decoration: none;
    opacity: 0.8;
  }

  .navbar__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
  }

  .navbar__hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-fast);
  }

  /* ===== HERO ===== */
  .hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    padding-block-start: var(--nav-height);
    background:
      radial-gradient(ellipse at 20% 50%, rgba(251, 191, 36, 0.06) 0%, transparent 50%),
      radial-gradient(ellipse at 80% 50%, rgba(251, 191, 36, 0.04) 0%, transparent 50%);
  }

  .hero__greeting {
    font-size: var(--text-3xl);
    font-weight: 700;
  }

  .hero__name {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-accent);
  }

  .hero__title {
    font-size: var(--text-2xl);
    font-weight: 700;
    min-height: 1.4em;
  }

  .hero__bio {
    color: var(--color-text-muted);
    font-size: var(--text-lg);
    max-width: 36rem;
  }

  .hero__tagline {
    font-style: italic;
    font-size: var(--text-lg);
    color: var(--color-accent);
  }

  .hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-block-start: var(--space-lg);
  }

  .hero__social {
    display: flex;
    gap: var(--space-md);
    margin-block-start: var(--space-md);
  }

  .hero__social a {
    color: var(--color-text);
    transition: color var(--transition-fast);
  }

  .hero__social a:hover {
    color: var(--color-accent);
    text-decoration: none;
  }

  .hero__illustration {
    max-width: 100%;
    width: 20rem;
    margin-inline: auto;
  }

  /* ===== TYPEWRITER ===== */
  .typewriter {
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    width: 0;
    border-right: 3px solid var(--color-accent);
    animation:
      typing 2s steps(15) 1s forwards,
      blink-caret 0.75s step-end infinite;
  }

  @keyframes typing {
    to { width: 18ch; }
  }

  @keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--color-accent); }
  }

  /* ===== BUTTONS ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--text-base);
    text-decoration: none;
    transition:
      background-color var(--transition-fast),
      color var(--transition-fast),
      box-shadow var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
  }

  .btn:hover {
    text-decoration: none;
  }

  .btn--primary {
    background-color: var(--color-accent);
    color: #111827;
    border-color: var(--color-accent);
  }

  .btn--primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
  }

  .btn--outline {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
  }

  .btn--outline:hover {
    background-color: var(--color-accent);
    color: #111827;
  }

  .btn--ghost {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-text);
  }

  .btn--ghost:hover {
    background-color: var(--color-text);
    color: var(--color-bg);
  }

  .btn--sm {
    padding: 0.5rem 1rem;
    font-size: var(--text-sm);
  }

  /* ===== ABOUT ===== */
  .about__content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
  }

  .about__photo {
    width: 8rem;
    height: 8rem;
    border-radius: 50%;
    border: 4px solid var(--color-accent);
    object-fit: cover;
  }

  .about__bio {
    color: var(--color-text-muted);
    font-size: var(--text-base);
    line-height: 1.8;
  }

  /* ===== SKILLS ===== */
  .skills__category {
    margin-block-end: var(--space-2xl);
  }

  .skills__category h3 {
    text-align: center;
    margin-block-end: var(--space-lg);
  }

  /* ===== PILLS (skills) ===== */
  .pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
  }

  .pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    background: var(--color-bg-surface);
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition:
      border-color var(--transition-fast),
      color var(--transition-fast),
      transform var(--transition-fast),
      box-shadow var(--transition-fast);
  }

  .pill::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    flex-shrink: 0;
  }

  .pill:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
  }

  /* ===== CARD (projects) ===== */
  .card {
    background-color: var(--color-bg);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition:
      transform var(--transition-base),
      box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-md);
  }

  .card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-accent);
  }

  .card__title {
    color: var(--color-accent);
    font-size: var(--text-xl);
  }

  .card__description {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    flex: 1;
  }

  .card__tech {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
  }

  .card__tech strong {
    color: var(--color-accent);
  }

  /* ===== TIMELINE (experiences) ===== */
  .timeline {
    border-left: 2px solid var(--color-accent);
    padding-left: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
  }

  .timeline__item {
    position: relative;
  }

  .timeline__item::before {
    content: "";
    position: absolute;
    left: calc(-1 * var(--space-xl) - 6px);
    top: 0.5rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-accent);
  }

  .timeline__role {
    color: var(--color-accent);
    font-weight: 700;
    font-size: var(--text-xl);
  }

  .timeline__meta {
    color: var(--color-text-muted);
    font-size: var(--text-base);
    font-weight: 600;
    margin-block-end: var(--space-sm);
  }

  .timeline__responsibilities {
    list-style: disc;
    padding-left: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }

  .timeline__responsibilities li {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    line-height: 1.6;
  }

  /* ===== FOOTER ===== */
  .footer {
    padding: var(--space-xl);
    text-align: center;
    background-color: var(--color-bg-surface);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
  }

  .footer p {
    margin-inline: auto;
  }

  /* ===== ICON ===== */
  .icon {
    width: 1.5em;
    height: 1.5em;
    fill: currentColor;
    display: inline-block;
    vertical-align: middle;
  }

  /* ===== ANIMATE ON SCROLL ===== */
  .animate-on-scroll {
    animation: fade-in-up linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 30%;
  }

  @keyframes fade-in-up {
    from {
      opacity: 0;
      translate: 0 2rem;
    }
    to {
      opacity: 1;
      translate: 0;
    }
  }

  @supports not (animation-timeline: view()) {
    .animate-on-scroll {
      animation: fade-in-up 0.6s ease both;
    }
  }

  /* ===== RESPONSIVE (mobile) ===== */
  @media (max-width: 768px) {
    .navbar__menu {
      display: none;
      flex-direction: column;
      position: absolute;
      top: var(--nav-height);
      left: 0;
      right: 0;
      background-color: var(--color-bg-surface);
      box-shadow: var(--shadow-lg);
      padding: var(--space-lg);
      gap: var(--space-md);
    }

    .navbar__hamburger {
      display: flex;
      order: -1;
    }

    .navbar__logo {
      order: 0;
    }

    .navbar__actions {
      gap: var(--space-xs);
    }

    .hero .sidebar {
      flex-direction: column;
      text-align: center;
      padding-block-start: var(--space-2xl);
    }

    .hero .sidebar > :first-child {
      min-width: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .hero__illustration {
      width: 16rem;
    }

    .hero__actions {
      justify-content: center;
    }

    .about__photo {
      width: 6rem;
      height: 6rem;
    }

    .timeline {
      padding-left: var(--space-lg);
    }

    .timeline__item::before {
      left: calc(-1 * var(--space-lg) - 6px);
    }
  }
}