:root {
        color-scheme: light;
        --ink: #15181b;
        --ink-soft: #44494e;
        --ink-faint: #6b7177;
        --paper: #f4efe6;
        --surface: #ffffff;
        --line: #e6e1d6;
        --line-soft: #ece7dc;
        --accent: #e9a60c;
        --accent-dark: #cf9009;
        --accent-text: #8a5a00;
        --accent-soft: #fbf0d5;
        --accent-light: #f3c768;
        --accent-border: #efdcab;
        --shadow: 0 18px 48px rgba(21, 24, 27, 0.07);
        --shadow-sm: 0 8px 22px rgba(21, 24, 27, 0.06);
        --shadow-lg: 0 28px 70px rgba(21, 24, 27, 0.12);
        --radius: 16px;
        --radius-sm: 12px;
        --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
        --sans: "Geist", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        --maxw: 1180px;
      }

      * {
        box-sizing: border-box;
      }
      html {
        scroll-behavior: smooth;
      }
      body {
        margin: 0;
        font-family: var(--sans);
        color: var(--ink);
        background: var(--paper);
        line-height: 1.6;
        -webkit-font-smoothing: antialiased;
      }
      a {
        color: inherit;
        text-decoration: none;
      }
      h1,
      h2,
      h3 {
        font-family: var(--serif);
        font-weight: 400;
        margin: 0;
        letter-spacing: -0.01em;
        line-height: 1.05;
      }
      p {
        margin: 0;
      }

      .wrap {
        width: 100%;
        max-width: var(--maxw);
        margin: 0 auto;
        padding: 0 28px;
      }

      .eyebrow {
        font-family: var(--sans);
        text-transform: uppercase;
        letter-spacing: 0.16em;
        font-size: 0.72rem;
        font-weight: 600;
        color: var(--accent-text);
      }

      .check {
        color: var(--accent-text);
        font-weight: 700;
      }

      /* Buttons */
      .btn {
        font-family: var(--sans);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border-radius: 999px;
        padding: 13px 24px;
        font-size: 0.95rem;
        font-weight: 600;
        cursor: pointer;
        border: 1px solid transparent;
        transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
        white-space: nowrap;
      }
      .btn.primary {
        background: var(--accent);
        color: var(--ink);
      }
      .btn.primary:hover {
        background: var(--accent-dark);
        transform: translateY(-1px);
      }
      .btn.ghost {
        background: transparent;
        color: var(--ink);
        border-color: var(--line);
      }
      .btn.ghost:hover {
        border-color: var(--ink);
        transform: translateY(-1px);
      }

      /* Nav */
      .nav {
        position: sticky;
        top: 0;
        z-index: 40;
        padding-top: 18px;
      }
      .nav-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 64px;
        padding: 0 14px 0 26px;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(12px);
        border: 1px solid var(--line);
        border-radius: 999px;
        box-shadow: 0 10px 30px rgba(21, 24, 27, 0.07);
      }
      .logo {
        font-family: var(--serif);
        font-size: 1.6rem;
        display: flex;
        align-items: center;
        gap: 9px;
      }
      .logo .dot {
        width: 9px;
        height: 9px;
        border-radius: 50%;
        background: var(--accent);
        display: inline-block;
        margin-bottom: 2px;
      }
      .nav-links {
        display: flex;
        align-items: center;
        gap: 32px;
        font-size: 0.92rem;
        font-weight: 500;
      }
      .nav-links a {
        color: var(--ink-soft);
        transition: color 0.15s ease;
      }
      .nav-links a:hover {
        color: var(--ink);
      }
      .nav-cta {
        display: flex;
        align-items: center;
        gap: 14px;
      }
      .menu-btn {
        display: none;
        background: none;
        border: 1px solid var(--line);
        border-radius: 10px;
        width: 42px;
        height: 42px;
        cursor: pointer;
        font-size: 1.1rem;
        color: var(--ink);
      }
      .mobile-menu {
        display: none;
      }
      .lang {
        border: 1px solid var(--line);
        border-radius: 999px;
        padding: 6px 12px;
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--ink-soft);
        transition: border-color 0.15s ease, color 0.15s ease;
      }
      .lang:hover {
        border-color: var(--ink);
        color: var(--ink);
      }

      /* Hero */
      .hero {
        position: relative;
        padding: 80px 0 76px;
        text-align: center;
        overflow: hidden;
      }
      .hero::before {
        content: "";
        position: absolute;
        top: -120px;
        left: 50%;
        transform: translateX(-50%);
        width: 900px;
        height: 520px;
        background: radial-gradient(ellipse at center, rgba(233, 166, 12, 0.14), rgba(233, 166, 12, 0) 70%);
        pointer-events: none;
        z-index: 0;
      }
      .hero .wrap {
        position: relative;
        z-index: 1;
      }
      .hero .eyebrow {
        display: inline-block;
        margin-bottom: 18px;
      }
      .hero h1 {
        font-size: clamp(2.7rem, 5.4vw, 4.6rem);
        max-width: 16ch;
        margin: 0 auto 20px;
      }
      .cycle {
        color: var(--accent-text);
        font-style: italic;
        border-bottom: 3px solid var(--accent-light);
        padding-bottom: 2px;
        white-space: nowrap;
      }
      .cycle::after {
        content: "|";
        font-style: normal;
        color: var(--accent-text);
        animation: blink 1s step-end infinite;
        border: 0;
        margin-left: 2px;
      }
      @keyframes blink {
        50% {
          opacity: 0;
        }
      }
      .hero .lead {
        font-size: 1.15rem;
        color: var(--ink-soft);
        max-width: 600px;
        margin: 0 auto 34px;
      }

      /* Composer (ChatGPT-style) */
      .composer-zone {
        max-width: 680px;
        margin: 0 auto;
      }
      .composer {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 20px;
        box-shadow: var(--shadow);
        padding: 8px 8px 8px 20px;
        display: flex;
        align-items: center;
        gap: 10px;
        transition: border-color 0.2s ease, box-shadow 0.2s ease;
      }
      .composer:focus-within {
        border-color: var(--accent);
        box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow);
      }
      .composer textarea {
        flex: 1;
        border: 0;
        outline: 0;
        resize: none;
        background: transparent;
        font-family: var(--sans);
        font-size: 1.02rem;
        color: var(--ink);
        line-height: 1.5;
        padding: 14px 0;
        max-height: 160px;
      }
      .composer textarea::placeholder {
        color: var(--ink-faint);
      }
      .send {
        flex: none;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        border: 0;
        background: var(--accent);
        color: var(--ink);
        font-size: 1.2rem;
        cursor: pointer;
        display: grid;
        place-items: center;
        transition: background 0.2s ease, transform 0.15s ease;
      }
      .send:hover {
        background: var(--accent-dark);
        transform: translateY(-1px);
      }
      .send:disabled {
        opacity: 0.45;
        cursor: default;
        transform: none;
      }
      .chips {
        display: flex;
        flex-wrap: wrap;
        gap: 9px;
        justify-content: center;
        margin-top: 18px;
      }
      .chip {
        font-family: var(--sans);
        font-size: 0.85rem;
        color: var(--ink-soft);
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 999px;
        padding: 8px 15px;
        cursor: pointer;
        transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
      }
      .chip:hover {
        border-color: var(--accent);
        color: var(--accent-text);
        background: var(--accent-soft);
      }
      .hero-trust {
        display: flex;
        flex-wrap: wrap;
        gap: 18px;
        justify-content: center;
        margin-top: 26px;
        font-size: 0.88rem;
        color: var(--ink-faint);
      }
      .hero-trust span {
        display: inline-flex;
        align-items: center;
        gap: 7px;
      }

      /* Thread (chat result) */
      .thread {
        margin-top: 24px;
        display: grid;
        gap: 16px;
        text-align: left;
      }
      .msg {
        display: flex;
        gap: 12px;
        animation: rise 0.4s ease both;
      }
      .msg.user {
        justify-content: flex-end;
      }
      .msg.user .bubble {
        background: var(--ink);
        color: #fff;
        border-radius: 16px 16px 4px 16px;
      }
      .avatar {
        flex: none;
        width: 34px;
        height: 34px;
        border-radius: 9px;
        background: var(--accent);
        color: var(--ink);
        font-family: var(--serif);
        font-size: 1.05rem;
        display: grid;
        place-items: center;
      }
      .bubble {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 4px 16px 16px 16px;
        padding: 16px 18px;
        max-width: 78%;
        box-shadow: var(--shadow-sm);
      }
      .bubble .yes {
        font-family: var(--serif);
        font-size: 1.3rem;
        color: var(--accent-text);
        display: block;
        margin-bottom: 6px;
      }
      .bubble p {
        font-size: 0.97rem;
        color: var(--ink-soft);
      }
      .bubble .answer-cta {
        margin-top: 16px;
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        align-items: center;
        opacity: 0;
        transition: opacity 0.4s ease;
      }
      .bubble .answer-cta.show {
        opacity: 1;
      }
      .reset-link {
        font-size: 0.88rem;
        color: var(--ink-faint);
        cursor: pointer;
        font-weight: 500;
      }
      .reset-link:hover {
        color: var(--ink);
      }
      .typing {
        display: inline-flex;
        gap: 4px;
        padding: 4px 0;
      }
      .typing span {
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--ink-faint);
        animation: bounce 1.2s infinite ease-in-out;
      }
      .typing span:nth-child(2) {
        animation-delay: 0.15s;
      }
      .typing span:nth-child(3) {
        animation-delay: 0.3s;
      }
      @keyframes bounce {
        0%, 60%, 100% {
          transform: translateY(0);
          opacity: 0.4;
        }
        30% {
          transform: translateY(-5px);
          opacity: 1;
        }
      }
      @keyframes rise {
        from {
          opacity: 0;
          transform: translateY(10px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      /* Trust strip */
      .strip {
        border-top: 1px solid var(--line-soft);
        border-bottom: 1px solid var(--line-soft);
        background: #fff;
      }
      .strip-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 20px;
        padding: 26px 0;
      }
      .strip-label {
        font-size: 0.85rem;
        color: var(--ink-faint);
      }
      .strip-label b {
        color: var(--ink);
        font-weight: 600;
      }
      .badges {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
      }
      .badge {
        font-size: 0.78rem;
        font-weight: 600;
        letter-spacing: 0.04em;
        color: var(--ink-soft);
        border: 1px solid var(--line);
        border-radius: 999px;
        padding: 7px 14px;
        background: var(--paper);
      }

      /* Sections */
      section {
        padding: 92px 0;
      }
      .section-head {
        max-width: 680px;
        margin-bottom: 52px;
      }
      .section-head.center {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
      }
      .section-head h2 {
        font-size: clamp(2.1rem, 3.4vw, 3rem);
        margin: 14px 0 16px;
      }
      .section-head p {
        font-size: 1.1rem;
        color: var(--ink-soft);
      }
      .section-head.center p {
        margin-left: auto;
        margin-right: auto;
      }

      .problem {
        background: #fff;
        border-top: 1px solid var(--line-soft);
        border-bottom: 1px solid var(--line-soft);
      }
      .three {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
      }
      .three .item h3 {
        font-size: 1.45rem;
        margin-bottom: 10px;
      }
      .three .item p {
        color: var(--ink-soft);
        font-size: 0.98rem;
      }
      .three .num {
        font-family: var(--serif);
        font-size: 1.2rem;
        color: var(--accent-text);
        border: 1px solid var(--line);
        width: 40px;
        height: 40px;
        border-radius: 10px;
        display: grid;
        place-items: center;
        margin-bottom: 18px;
      }

      /* Cards */
      .cards {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 22px;
      }
      .card {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 28px;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
      }
      .card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-sm);
      }
      .card .ic {
        width: 44px;
        height: 44px;
        border-radius: 11px;
        background: var(--accent-soft);
        color: var(--accent-text);
        display: grid;
        place-items: center;
        margin-bottom: 18px;
      }
      .card h3 {
        font-size: 1.4rem;
        margin-bottom: 9px;
      }
      .card p {
        color: var(--ink-soft);
        font-size: 0.95rem;
      }

      /* Integrations */
      .integrations {
        background: #fff;
        border-top: 1px solid var(--line-soft);
        border-bottom: 1px solid var(--line-soft);
      }
      .int-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
      }
      .int {
        border: 1px solid var(--line);
        border-radius: var(--radius-sm);
        padding: 18px 20px;
        display: flex;
        align-items: center;
        gap: 12px;
        background: var(--paper);
        transition: border-color 0.2s ease, transform 0.2s ease;
      }
      .int:hover {
        border-color: var(--accent-border);
        transform: translateY(-2px);
      }
      .int .mark {
        width: 34px;
        height: 34px;
        border-radius: 8px;
        background: var(--accent-soft);
        color: var(--accent-text);
        font-weight: 700;
        font-size: 0.9rem;
        display: grid;
        place-items: center;
        flex: none;
      }
      .int .nm {
        font-weight: 600;
        font-size: 0.95rem;
      }
      .int .ct {
        font-size: 0.78rem;
        color: var(--ink-faint);
      }
      .int-note {
        text-align: center;
        margin-top: 26px;
        color: var(--ink-faint);
        font-size: 0.9rem;
      }

      /* Process (dark accent band) */
      .process {
        background: var(--ink);
        color: #fff;
      }
      .process .eyebrow {
        color: var(--accent-light);
      }
      .process .section-head h2 {
        color: #fff;
      }
      .process .section-head p {
        color: #aeb4b8;
      }
      .steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 26px;
      }
      .step {
        border-top: 1px solid rgba(255, 255, 255, 0.16);
        padding-top: 22px;
      }
      .step .n {
        font-family: var(--serif);
        font-size: 2.4rem;
        color: var(--accent-light);
        line-height: 1;
        margin-bottom: 16px;
      }
      .step h3 {
        font-size: 1.3rem;
        color: #fff;
        margin-bottom: 8px;
      }
      .step p {
        color: #aeb4b8;
        font-size: 0.93rem;
      }

      /* Compliance */
      .compliance {
        background: #fff;
        border-top: 1px solid var(--line-soft);
        border-bottom: 1px solid var(--line-soft);
      }
      .comp-grid {
        display: grid;
        grid-template-columns: 0.85fr 1.15fr;
        gap: 56px;
        align-items: start;
      }
      .comp-list {
        display: grid;
        gap: 22px;
      }
      .comp-list .row {
        display: flex;
        gap: 16px;
      }
      .comp-list .row .check {
        font-size: 1.1rem;
        margin-top: 2px;
      }
      .comp-list h3 {
        font-size: 1.25rem;
        margin-bottom: 4px;
      }
      .comp-list p {
        color: var(--ink-soft);
        font-size: 0.95rem;
      }

      /* Pricing */
      .price-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 22px;
        align-items: stretch;
      }
      .tier {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 32px;
        display: flex;
        flex-direction: column;
      }
      .tier.featured {
        border-color: var(--accent);
        box-shadow: var(--shadow);
        position: relative;
      }
      .tier .tag {
        position: absolute;
        top: -12px;
        left: 32px;
        background: var(--accent);
        color: var(--ink);
        font-size: 0.72rem;
        font-weight: 600;
        letter-spacing: 0.05em;
        text-transform: uppercase;
        padding: 5px 12px;
        border-radius: 999px;
      }
      .tier .tname {
        font-size: 1.5rem;
        margin-bottom: 6px;
      }
      .tier .tdesc {
        color: var(--ink-faint);
        font-size: 0.9rem;
        min-height: 40px;
      }
      .tier .tprice {
        font-family: var(--serif);
        font-size: 2.8rem;
        line-height: 1;
        margin: 16px 0 4px;
      }
      .tier .tprice small {
        font-family: var(--sans);
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--ink-faint);
      }
      .tier ul {
        list-style: none;
        padding: 22px 0 0;
        margin: 22px 0 28px;
        border-top: 1px solid var(--line-soft);
        display: grid;
        gap: 12px;
        flex: 1;
      }
      .tier ul li {
        display: flex;
        gap: 10px;
        font-size: 0.92rem;
        color: var(--ink-soft);
      }
      .tier .btn {
        width: 100%;
      }
      .price-note {
        text-align: center;
        color: var(--ink-faint);
        font-size: 0.9rem;
        margin-top: 28px;
      }

      /* Case study */
      .case {
        background: var(--accent-soft);
        border: 1px solid var(--accent-border);
        border-radius: var(--radius);
        padding: 48px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
      }
      .case .eyebrow {
        margin-bottom: 16px;
        display: block;
      }
      .case h2 {
        font-size: clamp(1.9rem, 3vw, 2.6rem);
        margin-bottom: 16px;
      }
      .case p {
        color: var(--ink-soft);
      }
      .case .stat {
        font-family: var(--serif);
        font-size: 1.4rem;
        color: var(--ink);
        margin-top: 18px;
      }
      .panel {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 30px;
      }
      .panel .label {
        font-size: 0.74rem;
        text-transform: uppercase;
        letter-spacing: 0.14em;
        font-weight: 600;
        color: var(--ink-faint);
      }
      .panel ul {
        list-style: none;
        margin: 16px 0 0;
        padding: 0;
        display: grid;
        gap: 13px;
      }
      .panel ul li {
        display: flex;
        gap: 11px;
        font-size: 0.95rem;
        color: var(--ink-soft);
      }

      /* Final CTA */
      .cta {
        text-align: center;
      }
      .cta h2 {
        font-size: clamp(2.4rem, 4vw, 3.6rem);
        margin-bottom: 18px;
      }
      .cta p {
        color: var(--ink-soft);
        font-size: 1.15rem;
        max-width: 560px;
        margin: 0 auto 32px;
      }
      .cta-actions {
        display: flex;
        gap: 14px;
        justify-content: center;
        flex-wrap: wrap;
      }

      /* Footer */
      footer {
        border-top: 1px solid var(--line-soft);
        background: #fff;
        padding: 54px 0 40px;
      }
      .foot-grid {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 24px;
        align-items: flex-start;
      }
      .foot-grid .logo {
        font-size: 1.4rem;
      }
      .foot-meta {
        color: var(--ink-faint);
        font-size: 0.88rem;
        margin-top: 10px;
        max-width: 380px;
      }
      .foot-links {
        display: flex;
        gap: 28px;
        font-size: 0.9rem;
        color: var(--ink-soft);
      }
      .foot-bottom {
        margin-top: 40px;
        padding-top: 22px;
        border-top: 1px solid var(--line-soft);
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 0.82rem;
        color: var(--ink-faint);
      }

      /* Reveal */
      .reveal {
        opacity: 0;
        transform: translateY(16px);
        transition: opacity 0.6s ease, transform 0.6s ease;
      }
      .reveal.in {
        opacity: 1;
        transform: translateY(0);
      }
      @media (prefers-reduced-motion: reduce) {
        .reveal {
          opacity: 1;
          transform: none;
        }
        .cycle::after {
          animation: none;
        }
      }

      /* Responsive */
      @media (max-width: 920px) {
        .nav-links,
        .nav-cta .btn {
          display: none;
        }
        .menu-btn {
          display: grid;
          place-items: center;
        }
        .mobile-menu.open {
          display: flex;
          flex-direction: column;
          gap: 4px;
          margin: 10px 20px 0;
          padding: 14px 20px 18px;
          background: var(--surface);
          border: 1px solid var(--line);
          border-radius: 18px;
          box-shadow: var(--shadow-sm);
        }
        .mobile-menu.open a {
          padding: 10px 0;
          color: var(--ink-soft);
          border-bottom: 1px solid var(--line-soft);
        }
        .mobile-menu.open .btn {
          margin-top: 12px;
        }
        .comp-grid,
        .case {
          grid-template-columns: 1fr;
          gap: 40px;
        }
        .three,
        .steps,
        .cards,
        .price-grid {
          grid-template-columns: 1fr 1fr;
        }
        .int-grid {
          grid-template-columns: 1fr 1fr;
        }
      }
      @media (max-width: 640px) {
        .wrap {
          padding: 0 20px;
        }
        section {
          padding: 64px 0;
        }
        .hero {
          padding: 52px 0 48px;
        }
        .three,
        .steps,
        .cards,
        .price-grid,
        .int-grid {
          grid-template-columns: 1fr;
        }
        .case {
          padding: 32px 24px;
        }
        .bubble {
          max-width: 88%;
        }
      }