* {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    :root {
      --bg-a: #f5f3ff;
      --bg-b: #faf5ff;
      --text: #1e1b4b;
      --muted: #6d6793;
      --card: rgba(255, 255, 255, 0.78);
      --glass: rgba(255, 255, 255, 0.62);
      --border: rgba(139, 92, 246, 0.18);
      --primary: #8b5cf6;
      --primary-2: #7c3aed;
      --soft: rgba(139, 92, 246, 0.12);
      --shadow: 0 30px 90px rgba(124, 58, 237, 0.16);
    }

    body.dark {
      --bg-a: #111113;
      --bg-b: #18181b;
      --text: #f4f4f5;
      --muted: #a1a1aa;
      --card: rgba(24, 24, 27, 0.82);
      --glass: rgba(255, 255, 255, 0.045);
      --border: rgba(255, 255, 255, 0.08);
      --primary: #8b5cf6;
      --primary-2: #7c3aed;
      --soft: rgba(139, 92, 246, 0.10);
      --shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
    }

    body {
      min-height: 100vh;
      font-family: "Inter", sans-serif;
      color: var(--text);
      background: linear-gradient(135deg, var(--bg-a), var(--bg-b));
      transition: background 0.7s ease, color 0.7s ease;
      overflow-x: hidden;
    }

    .orb {
      position: fixed;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: radial-gradient(circle at top, var(--primary), var(--primary-2) 55%, transparent 72%);
      filter: blur(42px);
      opacity: 0.18;
      pointer-events: none;
      animation: floatOrb 9s ease-in-out infinite;
    }

    .orb.one {
      top: -80px;
      left: -70px;
    }

    .orb.two {
      right: -90px;
      bottom: -90px;
      animation-delay: -3s;
    }

    @keyframes floatOrb {
      0%, 100% { transform: translate(0, 0) scale(1); }
      50% { transform: translate(22px, -18px) scale(1.08); }
    }

    .theme-toggle {
      position: fixed;
      top: 20px;
      right: 20px;
      z-index: 10;
      border: 1px solid var(--border);
      background: var(--card);
      color: var(--text);
      backdrop-filter: blur(18px);
      border-radius: 999px;
      padding: 11px 13px;
      display: inline-flex;
      align-items: center;
      gap: 0;
      font-weight: 800;
      cursor: pointer;
      box-shadow: 0 14px 38px rgba(15, 23, 42, 0.12);
      transition: transform 0.35s cubic-bezier(.2,.8,.2,1), color 0.35s ease, border 0.35s ease, background 0.45s ease;
    }

    .theme-toggle:hover {
      transform: translateY(-3px);
      color: var(--primary);
      border-color: var(--primary);
    }

    .main-screen {
      min-height: 100vh;
      width: 100%;
      display: grid;
      place-items: center;
      padding: 22px;
      position: relative;
    }

    .card {
      position: relative;
      z-index: 1;
      width: min(100%, 460px);
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 34px;
      padding: 30px;
      box-shadow: var(--shadow);
      backdrop-filter: blur(24px);
      animation: cardIn 0.85s cubic-bezier(.2,.8,.2,1) both;
      transition: background 0.7s ease, border 0.7s ease, box-shadow 0.7s ease, transform 0.35s ease;
    }

    @keyframes cardIn {
      from { opacity: 0; transform: translateY(20px) scale(.97); }
      to { opacity: 1; transform: translateY(0) scale(1); }
    }

    .hero {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
      margin-bottom: 22px;
      width: 100%;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border);
    }

    .avatar {
      width: 74px;
      height: 74px;
      border-radius: 24px;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      color: white;
      display: grid;
      place-items: center;
      font-size: 31px;
      font-weight: 900;
      letter-spacing: -2px;
      box-shadow: 0 18px 38px rgba(124, 58, 237, 0.24);
      animation: avatarFloat 4s ease-in-out infinite;
      flex-shrink: 0;
    }

    @keyframes avatarFloat {
      0%, 100% { transform: translateY(0) rotate(0deg); }
      50% { transform: translateY(-5px) rotate(-2deg); }
    }

    h1 {
      font-size: 38px;
      line-height: 1;
      letter-spacing: -2px;
      margin-bottom: 0;
      white-space: nowrap;
      text-align: left;
      font-weight: 900;
    }

    .role {
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
      text-align: left;
      line-height: 1.5;
      padding: 0;
      background: transparent;
      border: none;
      white-space: normal;
      display: block;
      min-height: auto;
    }

    .intro {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
      margin: 0 0 24px;
      max-width: 100%;
      text-align: left;
    }

    .tabs {
      position: relative;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 8px;
      background: var(--glass);
      border: 1px solid var(--border);
      border-radius: 22px;
      padding: 7px;
      margin: 0 auto 22px;
      width: 100%;
      overflow: hidden;
    }

    .tab-indicator {
      position: absolute;
      top: 7px;
      left: 7px;
      width: calc((100% - 30px) / 3);
      height: calc(100% - 14px);
      border-radius: 16px;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 12px 28px rgba(124, 58, 237, 0.22);
      opacity: 0;
      transform: translateX(0) scale(0.96);
      transition: transform 0.48s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.28s ease, background 0.7s ease;
      pointer-events: none;
      z-index: 0;
    }

    .tabs.has-active .tab-indicator {
      opacity: 1;
      transform: translateX(var(--indicator-x, 0px)) scale(1);
    }

    .tab {
      position: relative;
      z-index: 1;
      border: 0;
      background: transparent;
      color: var(--muted);
      border-radius: 16px;
      padding: 11px 8px;
      font-size: 12px;
      font-weight: 900;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      transition: transform 0.38s cubic-bezier(.2,.8,.2,1), color 0.38s ease;
    }

    .tab:hover {
      color: var(--primary);
      transform: translateY(-2px);
    }

    .tab.active {
      color: white;
      background: transparent;
      box-shadow: none;
      transform: translateY(-1px);
    }

    .panel-wrap {
      display: grid;
      grid-template-rows: 0fr;
      opacity: 0;
      margin-top: 0;
      margin-bottom: 0;
      transition: grid-template-rows 0.55s cubic-bezier(.2,.8,.2,1), opacity 0.35s ease, margin 0.45s ease;
    }

    .panel-wrap.open {
      grid-template-rows: 1fr;
      opacity: 1;
      margin-top: 8px;
      margin-bottom: 24px;
    }

    .panel-inner {
      overflow: hidden;
    }

    .panel {
      min-height: 178px;
      background: var(--glass);
      border: 1px solid var(--border);
      border-radius: 24px;
      padding: 16px;
      transform-origin: top;
      transition: background 0.7s ease, border 0.7s ease;
    }

    .panel.swap-out {
      animation: swapOut 0.22s cubic-bezier(.2,.8,.2,1) both;
    }

    .panel.swap-in {
      animation: swapIn 0.42s cubic-bezier(.2,.8,.2,1) both;
    }

    @keyframes swapOut {
      from { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
      to { opacity: 0; transform: translateY(8px) scale(.985); filter: blur(4px); }
    }

    @keyframes swapIn {
      from { opacity: 0; transform: translateY(12px) scale(.985); filter: blur(4px); }
      to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
    }

    .panel-title {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 15px;
      font-weight: 900;
      margin-bottom: 9px;
    }

    .panel-title i {
      color: var(--primary);
    }

    .panel-text {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.58;
      margin-bottom: 12px;
    }

    .chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .chip {
      padding: 7px 10px;
      border-radius: 999px;
      background: var(--soft);
      color: var(--primary);
      font-size: 12px;
      font-weight: 900;
      transform: translateY(0);
      transition: transform 0.28s ease, background 0.28s ease;
    }

    .chip:hover {
      transform: translateY(-2px);
    }

    .tech-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 10px;
      margin-top: 14px;
    }

    .tech-icon {
      position: relative;
      height: 48px;
      border-radius: 16px;
      background: var(--soft);
      border: 1px solid var(--border);
      display: grid;
      place-items: center;
      cursor: pointer;
      transition: transform 0.32s cubic-bezier(.2,.8,.2,1), border 0.32s ease, background 0.32s ease;
    }

    .tech-icon:hover {
      transform: translateY(-5px) scale(1.04);
      border-color: var(--primary);
      background: var(--glass);
    }

    .tech-icon i {
      font-size: 26px;
    }

    .custom-tech-svg {
      width: 30px;
      height: 30px;
      color: var(--primary);
      transition: transform 0.32s cubic-bezier(.2,.8,.2,1), color 0.32s ease;
    }

    .tech-icon:hover .custom-tech-svg {
      transform: scale(1.08);
      color: var(--primary-2);
    }

    .tech-icon::after {
      content: attr(data-tech);
      position: absolute;
      left: 50%;
      bottom: calc(100% + 9px);
      transform: translateX(-50%) translateY(6px);
      opacity: 0;
      pointer-events: none;
      background: var(--text);
      color: var(--bg-b);
      font-size: 11px;
      font-weight: 900;
      white-space: nowrap;
      padding: 7px 9px;
      border-radius: 999px;
      box-shadow: 0 12px 24px rgba(15, 23, 42, 0.18);
      transition: opacity 0.25s ease, transform 0.25s ease;
      z-index: 5;
    }

    .tech-icon:hover::after {
      opacity: 1;
      transform: translateX(-50%) translateY(0);
    }

    .project-list {
      display: grid;
      gap: 8px;
    }

    .project {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 10px;
      border-radius: 17px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,.38);
      transition: transform 0.32s cubic-bezier(.2,.8,.2,1), border 0.32s ease, background 0.32s ease;
    }

    body.dark .project {
      background: rgba(255,255,255,.08);
    }

    .project:hover {
      transform: translateX(4px);
      border-color: var(--primary);
      background: var(--soft);
    }

    .project strong {
      display: block;
      font-size: 13px;
      margin-bottom: 3px;
    }

    .project span {
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    .project i {
      color: var(--primary);
    }

    .actions {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin: 10px auto 20px;
      width: 100%;
    }

    .btn {
      border: 0;
      border-radius: 18px;
      padding: 14px 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 900;
      text-decoration: none;
      cursor: pointer;
      transition: transform 0.32s cubic-bezier(.2,.8,.2,1), box-shadow 0.32s ease, border 0.32s ease, color 0.32s ease;
    }

    .btn-primary {
      color: white;
      background: linear-gradient(135deg, #22c55e, #16a34a);
      box-shadow: 0 14px 30px rgba(34, 197, 94, 0.24);
    }

    .btn-secondary {
      color: var(--text);
      background: var(--glass);
      border: 1px solid var(--border);
    }

    body.dark .btn-secondary {
      background: rgba(255,255,255,.06);
      border-color: rgba(255,255,255,.1);
    }

    .btn:hover {
      transform: translateY(-3px);
    }

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

    .brand-line {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
      text-align: center;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
      padding-top: 12px;
      border-top: 1px solid var(--border);
    }

    .social-link {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: var(--glass);
      border: 1px solid var(--border);
      color: var(--muted);
      text-decoration: none;
      transition: transform 0.32s cubic-bezier(.2,.8,.2,1), border 0.32s ease, color 0.32s ease, background 0.32s ease;
      font-size: 15px;
    }

    .social-link:hover {
      transform: translateY(-4px);
      color: var(--primary);
      border-color: var(--primary);
      background: var(--soft);
    }

    .modal-overlay {
      position: fixed;
      inset: 0;
      z-index: 50;
      display: grid;
      place-items: center;
      padding: 20px;
      background: rgba(0, 0, 0, 0.42);
      backdrop-filter: blur(12px);
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.32s ease;
    }

    .modal-overlay.open {
      opacity: 1;
      pointer-events: auto;
    }

    .contact-modal {
      width: min(100%, 430px);
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 28px;
      padding: 24px;
      box-shadow: var(--shadow);
      backdrop-filter: blur(24px);
      transform: translateY(18px) scale(0.96);
      opacity: 0;
      transition: transform 0.36s cubic-bezier(.2,.8,.2,1), opacity 0.28s ease, background 0.7s ease, border 0.7s ease;
    }

    .modal-overlay.open .contact-modal {
      transform: translateY(0) scale(1);
      opacity: 1;
    }

    .modal-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 18px;
    }

    .modal-header h2 {
      font-size: 24px;
      line-height: 1;
      letter-spacing: -1px;
      margin-bottom: 7px;
    }

    .modal-header p {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .modal-close {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      border: 1px solid var(--border);
      background: var(--glass);
      color: var(--muted);
      display: grid;
      place-items: center;
      cursor: pointer;
      transition: transform 0.28s ease, color 0.28s ease, border 0.28s ease;
      flex-shrink: 0;
    }

    .modal-close:hover {
      transform: rotate(90deg) scale(1.05);
      color: var(--primary);
      border-color: var(--primary);
    }

    .contact-form {
      display: grid;
      gap: 12px;
    }

    .form-group {
      display: grid;
      gap: 7px;
    }

    .form-group label {
      color: var(--text);
      font-size: 12px;
      font-weight: 900;
    }

    .form-group input,
    .form-group textarea {
      width: 100%;
      border: 1px solid var(--border);
      border-radius: 16px;
      background: var(--glass);
      color: var(--text);
      padding: 13px 14px;
      font-family: inherit;
      font-size: 14px;
      outline: none;
      transition: border 0.28s ease, box-shadow 0.28s ease, background 0.28s ease;
    }

    .form-group textarea {
      min-height: 110px;
      resize: vertical;
    }

    .form-group input:focus,
    .form-group textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px var(--soft);
    }

    .modal-actions {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 6px;
    }

    .btn-cancel {
      color: var(--text);
      background: var(--glass);
      border: 1px solid var(--border);
    }

    .btn-send {
      color: white;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 14px 30px rgba(124, 58, 237, 0.22);
    }

    .btn-send:disabled {
      opacity: 0.8;
      cursor: wait;
    }

    .spin {
      animation: spin 1s linear infinite;
    }

    @keyframes spin {
      from {
        transform: rotate(0deg);
      }
      to {
        transform: rotate(360deg);
      }
    }

    @media (max-width: 450px) {
      .modal-overlay {
        padding: 14px;
        align-items: end;
      }

      .contact-modal {
        border-radius: 26px;
        padding: 22px;
      }

      .modal-actions {
        grid-template-columns: 1fr;
      }
    }

    .brand-line span {
      color: var(--primary);
    }

    .scroll-down {
      position: absolute;
      left: 50%;
      bottom: 22px;
      transform: translateX(-50%);
      z-index: 2;
      width: 44px;
      height: 44px;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: var(--card);
      color: var(--primary);
      display: grid;
      place-items: center;
      box-shadow: 0 14px 34px rgba(15, 23, 42, 0.12);
      backdrop-filter: blur(16px);
      transition: transform 0.35s cubic-bezier(.2,.8,.2,1), border 0.35s ease;
      animation: bounceDown 2.2s ease-in-out infinite;
    }

    .scroll-down:hover {
      transform: translateX(-50%) translateY(-4px);
      border-color: var(--primary);
    }

    @keyframes bounceDown {
      0%, 100% { translate: 0 0; }
      50% { translate: 0 6px; }
    }

    .timeline-section {
      width: 100%;
      min-height: 100vh;
      padding: 90px 22px;
      display: grid;
      place-items: center;
    }

    .timeline-card {
      width: min(100%, 760px);
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 34px;
      padding: 34px;
      box-shadow: var(--shadow);
      backdrop-filter: blur(24px);
      scrollbar-width: thin;
      scrollbar-color: var(--primary) transparent;
    }

    .timeline-header {
      text-align: center;
      margin-bottom: 34px;
    }

    .timeline-header span {
      color: var(--primary);
      font-size: 13px;
      font-weight: 900;
    }

    .timeline-header h2 {
      font-size: clamp(30px, 5vw, 42px);
      letter-spacing: -1.6px;
      margin: 8px 0 10px;
    }

    .timeline-header p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
      max-width: 520px;
      margin: auto;
    }

    .timeline {
      position: relative;
      display: grid;
      gap: 18px;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: 18px;
      top: 8px;
      bottom: 8px;
      width: 2px;
      background: linear-gradient(var(--primary), transparent);
      opacity: 0.55;
    }

    .timeline-item {
      position: relative;
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      opacity: 0;
      transform: translateY(18px);
      animation: itemIn 0.7s cubic-bezier(.2,.8,.2,1) forwards;
    }

    .timeline-item:nth-child(2) { animation-delay: 0.12s; }
    .timeline-item:nth-child(3) { animation-delay: 0.24s; }
    .timeline-item:nth-child(4) { animation-delay: 0.36s; }

    @keyframes itemIn {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .timeline-dot {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      color: white;
      box-shadow: 0 14px 28px rgba(124, 58, 237, 0.2);
      z-index: 1;
    }

    .timeline-content {
      padding: 18px;
      border-radius: 22px;
      background: var(--glass);
      border: 1px solid var(--border);
      transition: transform 0.35s cubic-bezier(.2,.8,.2,1), border 0.35s ease;
    }

    .timeline-content:hover {
      transform: translateX(5px);
      border-color: var(--primary);
    }

    .timeline-content small {
      color: var(--primary);
      font-weight: 900;
      font-size: 12px;
    }

    .timeline-content h3 {
      margin: 6px 0;
      font-size: 17px;
    }

    .timeline-content p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    @media (max-width: 450px) {
      body {
        padding: 0;
      }

      .main-screen {
        padding: 16px;
      }

      .theme-toggle {
        top: 14px;
        right: 14px;
        padding: 10px 12px;
      }

      .card {
        padding: 23px;
        border-radius: 30px;
      }

      .hero {
        align-items: flex-start;
        text-align: left;
      }

      .role {
        text-align: left;
      }

      h1 {
        font-size: 30px;
      }

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

      .timeline-card {
        padding: 24px;
        border-radius: 28px;
      }
    }