:root {
      --bg: #0D1117;
      --bg-elevated: #121922;
      --bg-elevated-2: #161e29;
      --glass: rgba(255, 255, 255, 0.035);
      --glass-strong: rgba(255, 255, 255, 0.06);
      --border: rgba(255, 255, 255, 0.09);
      --border-soft: rgba(255, 255, 255, 0.06);
      --primary: #2ECC71;
      --primary-dim: rgba(46, 204, 113, 0.15);
      --accent: #00C2FF;
      --accent-dim: rgba(0, 194, 255, 0.15);
      --text: #E9EEF3;
      --text-dim: #93A1AF;
      --text-faint: #5B6773;
      --dot-red: #FF5F56;
      --dot-yellow: #FFBD2E;
      --dot-green: #27C93F;
      --radius: 14px;
      --font-display: 'Space Grotesk', sans-serif;
      --font-body: 'Inter', sans-serif;
      --font-mono: 'JetBrains Mono', monospace;
      --maxw: 1180px;
  }

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

  html {
      scroll-behavior: smooth;
  }

  body {
      background: var(--bg);
      color: var(--text);
      font-family: var(--font-body);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
  }

  body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -2;
      background:
          radial-gradient(circle at 15% 8%, rgba(46, 204, 113, 0.12), transparent 40%),
          radial-gradient(circle at 85% 18%, rgba(0, 194, 255, 0.10), transparent 45%),
          radial-gradient(circle at 50% 90%, rgba(46, 204, 113, 0.06), transparent 50%);
  }

  body::after {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -1;
      background-image:
          linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
          linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: radial-gradient(circle at 50% 20%, black, transparent 75%);
  }

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

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

  section {
      position: relative;
  }

  .wrap {
      max-width: var(--maxw);
      margin: 0 auto;
      padding: 0 28px;
  }

  .eyebrow {
      font-family: var(--font-mono);
      font-size: 12.5px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 16px;
  }

  .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 10px var(--primary);
  }

  h1,
  h2,
  h3,
  h4 {
      font-family: var(--font-display);
      font-weight: 600;
      letter-spacing: -0.01em;
      line-height: 1.15;
  }

  .section-head {
      max-width: 640px;
      margin-bottom: 56px;
  }

  .section-head h2 {
      font-size: clamp(28px, 4vw, 40px);
      margin-bottom: 14px;
  }

  .section-head p {
      color: var(--text-dim);
      font-size: 16.5px;
  }

  .grad-text {
      background: linear-gradient(100deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
  }

  /* ---------- reveal ---------- */
  .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1);
  }

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

  @media (prefers-reduced-motion: reduce) {
      .reveal {
          opacity: 1;
          transform: none;
          transition: none;
      }

      * {
          animation-duration: 0.001ms !important;
          animation-iteration-count: 1 !important;
          scroll-behavior: auto !important;
      }
  }

  /* ---------- nav ---------- */
  header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      backdrop-filter: blur(14px) saturate(140%);
      background: rgba(13, 17, 23, 0.55);
      border-bottom: 1px solid var(--border-soft);
  }

  nav {
      max-width: var(--maxw);
      margin: 0 auto;
      padding: 16px 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
  }

  .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 19px;
  }

  .logo-mark {
      width: 30px;
      height: 30px;
      flex-shrink: 0;
  }

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

  .nav-links a {
      font-size: 14.5px;
      color: var(--text-dim);
      transition: color .2s;
  }

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

  .nav-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--text);
      cursor: pointer;
  }

  /* ---------- buttons ---------- */
  .btn {
      font-family: var(--font-mono);
      font-size: 14.5px;
      font-weight: 500;
      padding: 13px 26px;
      border-radius: 10px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 9px;
      border: 1px solid transparent;
      transition: transform .25s, box-shadow .25s, opacity .25s;
      position: relative;
  }

  .btn:active {
      transform: translateY(1px) scale(.99);
  }

  .btn-primary {
      background: linear-gradient(135deg, var(--primary), #22a35d);
      color: #04140c;
      font-weight: 600;
      box-shadow: 0 0 0 rgba(46, 204, 113, 0);
  }

  .btn-primary:hover {
      box-shadow: 0 6px 30px -4px rgba(46, 204, 113, 0.55);
      transform: translateY(-2px);
  }

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

  .btn-ghost:hover {
      border-color: var(--accent);
      box-shadow: 0 6px 24px -6px rgba(0, 194, 255, 0.35);
      transform: translateY(-2px);
  }

  .btn svg {
      width: 16px;
      height: 16px;
  }

  /* ---------- hero ---------- */
  .hero {
      padding: 168px 0 100px;
      text-align: center;
  }

  .hero h1 {
      font-size: clamp(34px, 5.6vw, 62px);
      max-width: 820px;
      margin: 0 auto 22px;
  }

  .hero p.subtitle {
      max-width: 560px;
      margin: 0 auto 40px;
      color: var(--text-dim);
      font-size: 17.5px;
  }

  .hero-ctas-wrap {
    margin-bottom: 70px;
  }

  .hero-ctas-wrap a > span {
    color: #FFBD2E;
  }

  .hero-ctas {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
  }

  .terminal {
      max-width: 640px;
      margin: 0 auto;
      text-align: left;
      background: linear-gradient(180deg, var(--bg-elevated), var(--bg-elevated-2));
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
      overflow: hidden;
      animation: float 7s ease-in-out infinite;
  }

  @keyframes float {

      0%,
      100% {
          transform: translateY(0);
      }

      50% {
          transform: translateY(-8px);
      }
  }

  .term-bar {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 12px 16px;
      border-bottom: 1px solid var(--border-soft);
      background: rgba(255, 255, 255, 0.02);
  }

  .term-dot {
      width: 11px;
      height: 11px;
      border-radius: 50%;
  }

  .term-title {
      margin-left: 8px;
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--text-faint);
  }

  .term-body {
      padding: 22px 22px 26px;
      font-family: var(--font-mono);
      font-size: 14.5px;
      min-height: 150px;
  }

  .term-line {
      color: var(--text-dim);
      margin-bottom: 10px;
      display: flex;
      gap: 8px;
  }

  .term-prompt {
      color: var(--primary);
      flex-shrink: 0;
  }

  .term-out {
      color: var(--text-faint);
      padding-left: 20px;
      font-size: 13.5px;
      margin-bottom: 6px;
  }

  .term-out.ok {
      color: var(--primary);
  }

  .term-out.link {
      color: var(--accent);
  }

  .cursor {
      display: inline-block;
      width: 7px;
      height: 15px;
      background: var(--primary);
      margin-left: 2px;
      animation: blink 1s step-start infinite;
      vertical-align: middle;
  }

  @keyframes blink {
      50% {
          opacity: 0;
      }
  }

  #heroTerm {
      height: 230px;
  }

  /* ---------- feature grid ---------- */
  .features {
      padding: 120px 0;
  }

  .feature-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
  }

  .fcard {
      background: var(--glass);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius);
      padding: 26px 22px;
      transition: transform .35s, border-color .35s, background .35s;
  }

  .fcard:hover {
      transform: translateY(-6px);
      border-color: rgba(46, 204, 113, 0.4);
      background: var(--glass-strong);
      box-shadow: 0 20px 40px -20px rgba(46, 204, 113, 0.25);
  }

  .fcard .ficon {
      width: 38px;
      height: 38px;
      border-radius: 9px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--primary-dim);
      color: var(--primary);
      margin-bottom: 16px;
  }

  .fcard .ficon svg {
      width: 19px;
      height: 19px;
  }

  .fcard h3 {
      font-size: 16px;
      margin-bottom: 8px;
      font-weight: 600;
  }

  .fcard p {
      font-size: 14px;
      color: var(--text-dim);
  }

  /* ---------- install ---------- */
  .install {
      padding: 100px 0;
  }

  .install-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
  }

  .code-card {
      background: var(--bg-elevated);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
  }

  .code-card .term-bar {
      justify-content: space-between;
  }

  .code-card .term-bar-left {
      display: flex;
      align-items: center;
      gap: 8px;
  }

  .badge {
      font-family: var(--font-mono);
      font-size: 11px;
      padding: 3px 9px;
      border-radius: 6px;
      background: var(--primary-dim);
      color: var(--primary);
      letter-spacing: 0.03em;
  }

  .copy-btn {
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--text-dim);
      background: none;
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 5px 10px;
      cursor: pointer;
      transition: all .2s;
  }

  .copy-btn:hover {
      color: var(--text);
      border-color: var(--accent);
  }

  .code-card pre {
      padding: 22px;
      font-family: var(--font-mono);
      font-size: 14.5px;
      color: var(--primary);
      overflow-x: auto;
  }

  .code-card pre .muted {
      color: var(--text-faint);
  }

  /* ---------- quick start ---------- */
  .quickstart {
      padding: 60px 0 120px;
  }

  .qs-term {
      max-width: 100%;
  }

  .qs-term .term-body {
      padding: 24px 26px 28px;
  }

  .qs-num {
      font-family: var(--font-mono);
      color: var(--text-faint);
      font-size: 12.5px;
      width: 18px;
      flex-shrink: 0;
  }

  /* ---------- commands table ---------- */
  .commands {
      padding: 20px 0 120px;
  }

  .cmd-table-wrap {
      background: var(--bg-elevated);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
  }

  table {
      width: 100%;
      border-collapse: collapse;
  }

  thead th {
      text-align: left;
      font-family: var(--font-mono);
      font-size: 12px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--text-faint);
      padding: 16px 22px;
      border-bottom: 1px solid var(--border);
      background: rgba(255, 255, 255, 0.02);
  }

  tbody td {
      padding: 16px 22px;
      border-bottom: 1px solid var(--border-soft);
      font-size: 14.5px;
      color: var(--text-dim);
      vertical-align: top;
  }

  tbody tr:last-child td {
      border-bottom: none;
  }

  tbody tr {
      transition: background .2s;
  }

  tbody tr:hover {
      background: rgba(255, 255, 255, 0.02);
  }

  .cmd-name {
      font-family: var(--font-mono);
      color: var(--primary);
      font-weight: 600;
      white-space: nowrap;
  }

  .cmd-name::before {
      content: "$ tgclip ";
      color: var(--text-faint);
      font-weight: 400;
  }

  /* ---------- how it works ---------- */
  .how {
      padding: 20px 0 130px;
  }

  .flow {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0;
      flex-wrap: wrap;
  }

  .flow-node {
      background: var(--glass);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 26px 22px;
      width: 200px;
      text-align: center;
      transition: transform .3s, border-color .3s;
  }

  .flow-node:hover {
      transform: translateY(-6px);
      border-color: var(--accent);
  }

  .flow-node .icon-wrap {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      margin: 0 auto 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary-dim), var(--accent-dim));
  }

  .flow-node .icon-wrap svg {
      width: 24px;
      height: 24px;
      color: var(--primary);
  }

  .flow-node h4 {
      font-size: 14.5px;
      margin-bottom: 4px;
  }

  .flow-node p {
      font-size: 12.5px;
      color: var(--text-faint);
      font-family: var(--font-mono);
  }

  .flow-arrow {
      width: 60px;
      height: 2px;
      flex-shrink: 0;
      position: relative;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      margin: 0 6px;
  }

  .flow-arrow::after {
      content: "";
      position: absolute;
      right: -1px;
      top: -4px;
      border: 5px solid transparent;
      border-left-color: var(--accent);
  }

  @media(max-width:900px) {
      .flow {
          flex-direction: column;
      }

      .flow-arrow {
          width: 2px;
          height: 36px;
          background: linear-gradient(180deg, var(--primary), var(--accent));
      }

      .flow-arrow::after {
          right: -4px;
          top: auto;
          bottom: -1px;
          border-left-color: transparent;
          border-top-color: var(--accent);
          transform: rotate(0deg);
      }
  }

  /* ---------- screenshots ---------- */
  .screens {
      padding: 20px 0 130px;
  }

  .screen-scroll {
      display: flex;
      gap: 22px;
      overflow-x: auto;
      padding-bottom: 10px;
      scrollbar-width: thin;
  }

  .screen-card {
      flex-shrink: 0;
      width: 420px;
      background: var(--bg-elevated);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      transition: transform .3s;
  }

  .screen-card:hover {
      transform: translateY(-6px);
  }

  .screen-card .term-body {
      background: #090d12;
      min-height: 200px;
  }

  .screen-card .term-line {
      margin-bottom: 8px;
      font-size: 13.5px;
  }

  /* ---------- developer ---------- */
  .developer {
      padding: 20px 0 130px;
  }

  .dev-card {
      max-width: 560px;
      margin: 0 auto;
      text-align: center;
      background: var(--glass);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 48px 40px;
      position: relative;
      overflow: hidden;
  }

  .dev-card::before {
      content: "";
      position: absolute;
      top: -60%;
      left: -20%;
      width: 140%;
      height: 200%;
      background: conic-gradient(from 0deg, transparent, rgba(46, 204, 113, 0.08), transparent 30%);
      animation: spin 12s linear infinite;
  }

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

  .dev-avatar {
      width: 84px;
      height: 84px;
      border-radius: 50%;
      margin: 0 auto 18px;
      position: relative;
      z-index: 1;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 30px;
      color: #04140c;
  }

  .dev-card h3 {
      position: relative;
      z-index: 1;
      font-size: 22px;
      margin-bottom: 4px;
  }

  .dev-card p.role {
      position: relative;
      z-index: 1;
      color: var(--text-faint);
      font-family: var(--font-mono);
      font-size: 13px;
      margin-bottom: 26px;
  }

  .dev-btns {
      position: relative;
      z-index: 1;
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
  }

  /* ---------- open source ---------- */
  .oss {
      padding: 20px 0 130px;
  }

  .oss-card {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      flex-wrap: wrap;
      background: linear-gradient(120deg, rgba(46, 204, 113, 0.08), rgba(0, 194, 255, 0.06));
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 44px 46px;
  }

  .oss-text h2 {
      font-size: 26px;
      margin-bottom: 10px;
  }

  .oss-text p {
      color: var(--text-dim);
      max-width: 440px;
      font-size: 15px;
  }

  .oss-badges {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
  }

  .pill {
      font-family: var(--font-mono);
      font-size: 12.5px;
      padding: 8px 14px;
      border-radius: 20px;
      border: 1px solid var(--border);
      color: var(--text-dim);
      background: rgba(255, 255, 255, 0.02);
  }

  /* ---------- footer ---------- */
  footer {
      border-top: 1px solid var(--border-soft);
      padding: 44px 0;
      margin-top: 20px;
  }

  .footer-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
  }

  .footer-inner p {
      font-size: 13.5px;
      color: var(--text-faint);
      font-family: var(--font-mono);
  }

  .footer-links {
      display: flex;
      gap: 22px;
  }

  .footer-links a {
      font-size: 13.5px;
      color: var(--text-dim);
      transition: color .2s;
  }

  .footer-links a:hover {
      color: var(--primary);
  }

  /* skip link */
  .skip-link {
      position: absolute;
      left: -999px;
      top: 0;
      background: var(--primary);
      color: #04140c;
      padding: 10px 16px;
      z-index: 200;
      border-radius: 6px;
  }

  .skip-link:focus {
      left: 10px;
      top: 10px;
  }

  :focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
  }

  /* ---------- responsive ---------- */
  @media(max-width:980px) {
      .feature-grid {
          grid-template-columns: repeat(2, 1fr);
      }

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

  @media(max-width:760px) {
      .nav-links {
          display: none;
      }

      .nav-toggle {
          display: block;
      }

      .hero {
          padding-top: 130px;
      }

      .oss-card {
          flex-direction: column;
          text-align: center;
          align-items: center;
      }
  }

  @media(max-width:520px) {
      .feature-grid {
          grid-template-columns: 1fr;
      }

      .hero-ctas {
          flex-direction: column;
          align-items: stretch;
      }

      .screen-card {
          width: 88vw;
      }
  }