:root {
        --navy: #14283f;
        --blue: #1769aa;
        --cyan: #eaf5ff;
        --ink: #1c2938;
        --muted: #5e6c7b;
        --line: #e2e8ef;
        --bg: #f7f9fc;
        --white: #fff;
      }
      * {
        box-sizing: border-box;
      }
      body {
        margin: 0;
        font-family:
          Inter,
          Segoe UI,
          Arial,
          sans-serif;
        color: var(--ink);
        line-height: 1.6;
        background: #fff;
      }
      a {
        color: inherit;
      }
      .container {
        width: min(1120px, 92%);
        margin: auto;
      }
      .topbar {
        position: sticky;
        top: 0;
        z-index: 1000;
        padding: 18px 0;
        border-bottom: 1px solid var(--line);
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 4px 18px rgba(20, 40, 63, 0.08);
        backdrop-filter: blur(10px);
      }
      html {
        scroll-padding-top: calc(var(--header-offset, 110px) + 12px);
      }
      section[id] {
        scroll-margin-top: calc(var(--header-offset, 110px) + 12px);
      }
      .nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
      }
      .brand {
        font-size: 1.3rem;
        font-weight: 800;
        color: var(--navy);
        letter-spacing: -0.03em;
      }
      .brand span {
        display: block;
        font-size: 0.7rem;
        font-weight: 600;
        color: var(--muted);
        letter-spacing: 0.12em;
      }
      .nav a {
        text-decoration: none;
        color: var(--muted);
        font-size: 0.94rem;
      }
      .hero {
        background: linear-gradient(
          125deg,
          #10243a 0%,
          #173f63 70%,
          #1d5e8b 100%
        );
        color: #fff;
        padding: 78px 0 72px;
      }
      .hero-grid {
        display: grid;
        grid-template-columns: 1.15fr 0.85fr;
        gap: 48px;
        align-items: center;
      }
      .eyebrow {
        font-size: 0.78rem;
        text-transform: uppercase;
        letter-spacing: 0.16em;
        font-weight: 800;
        color: #9ed5ff;
      }
      h1 {
        font-size: clamp(2.25rem, 5vw, 3.7rem);
        line-height: 1.08;
        letter-spacing: -0.045em;
        margin: 14px 0 20px;
        max-width: 720px;
      }
      .hero p {
        font-size: 1.12rem;
        color: #e0eaf3;
        max-width: 650px;
        margin: 0 0 28px;
      }
      .actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
      }
      .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        border-radius: 9px;
        padding: 13px 19px;
        font-weight: 750;
        border: 1px solid transparent;
        transition: 0.2s;
      }
      .btn-primary {
        background: #fff;
        color: var(--navy);
      }
      .btn-primary:hover {
        background: #eaf5ff;
      }
      .btn-outline {
        border-color: #b9d4e9;
        color: #fff;
      }
      .btn-outline:hover {
        background: #ffffff14;
      }
      .hero-panel {
        border: 1px solid #ffffff30;
        background: #08111d;
        border-radius: 18px;
        padding: 0;
        overflow: hidden;
        box-shadow: 0 24px 60px #0004;
      }
      .hero-product {
        display: block;
        width: 100%;
        height: auto;
        max-height: 490px;
        object-fit: contain;
      }
      .panel-icon {
        height: 54px;
        width: 54px;
        display: grid;
        place-items: center;
        background: #ffffff18;
        border-radius: 14px;
        font-size: 1.6rem;
        margin-bottom: 16px;
      }
      .hero-panel h2 {
        font-size: 1.25rem;
        margin: 0 0 8px;
      }
      .hero-panel p {
        font-size: 0.97rem;
        margin: 0;
        color: #d8e5ef;
      }
      .trust {
        background: #fff;
        border-bottom: 1px solid var(--line);
      }
      .trust-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
        padding: 22px 0;
      }
      .trust-item {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.93rem;
        font-weight: 650;
      }
      .check {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--cyan);
        color: var(--blue);
        display: grid;
        place-items: center;
        flex-shrink: 0;
        font-weight: 900;
      }
      section {
        padding: 72px 0;
      }
      .section-head {
        text-align: center;
        max-width: 760px;
        margin: 0 auto 38px;
      }
      .section-head .eyebrow {
        color: var(--blue);
      }
      h2 {
        font-size: clamp(1.8rem, 3vw, 2.55rem);
        line-height: 1.15;
        letter-spacing: -0.035em;
        margin: 10px 0 14px;
      }
      .section-head p {
        color: var(--muted);
        margin: 0;
        font-size: 1.04rem;
      }
      .features {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
      }
      .feature {
        border: 1px solid var(--line);
        border-radius: 14px;
        padding: 25px;
        background: #fff;
      }
      .feature-icon {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        background: var(--cyan);
        display: grid;
        place-items: center;
        color: var(--blue);
        font-size: 1.25rem;
        margin-bottom: 16px;
      }
      .feature h3 {
        margin: 0 0 8px;
        font-size: 1.1rem;
      }
      .feature p {
        color: var(--muted);
        font-size: 0.96rem;
        margin: 0;
      }
      .modules {
        background: var(--bg);
      }
      .module-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
        max-width: 900px;
        margin: auto;
      }
      .module {
        display: flex;
        gap: 14px;
        padding: 19px;
        border: 1px solid var(--line);
        background: #fff;
        border-radius: 12px;
      }
      .module strong {
        display: block;
        margin-bottom: 3px;
      }
      .module p {
        margin: 0;
        color: var(--muted);
        font-size: 0.93rem;
      }
      .process-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
      }
      .step {
        padding: 22px;
        border-radius: 14px;
        background: var(--bg);
      }
      .number {
        font-size: 0.8rem;
        font-weight: 800;
        letter-spacing: 0.12em;
        color: var(--blue);
      }
      .step h3 {
        margin: 8px 0;
      }
      .step p {
        color: var(--muted);
        margin: 0;
        font-size: 0.95rem;
      }
      .cta {
        background: var(--navy);
        color: #fff;
        padding: 58px 0;
      }
      .cta-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 30px;
      }
      .cta h2 {
        margin-top: 0;
      }
      .cta p {
        color: #d3dfeb;
        max-width: 680px;
        margin-bottom: 0;
      }
      .cta .btn-primary {
        white-space: nowrap;
      }
      .faq {
        max-width: 820px;
        margin: auto;
      }
      .faq details {
        padding: 18px 0;
        border-bottom: 1px solid var(--line);
      }
      .faq summary {
        font-weight: 750;
        cursor: pointer;
      }
      .faq details p {
        color: var(--muted);
        margin: 12px 0 0;
      }
      .about-section {
        background: var(--bg);
      }
      .about-inner {
        display: grid;
        grid-template-columns: 150px minmax(0, 780px);
        justify-content: center;
        gap: 34px;
        align-items: start;
      }
      .about-mark {
        width: 130px;
        height: 130px;
        border-radius: 28px;
        background: linear-gradient(145deg, var(--blue), var(--navy));
        display: grid;
        place-items: center;
        color: #fff;
        font-size: 2.25rem;
        font-weight: 850;
        letter-spacing: -0.08em;
        box-shadow: 0 14px 30px #10243a20;
      }
      .about-copy h2 {
        margin-top: 8px;
      }
      .about-copy p {
        color: var(--muted);
        font-size: 1.02rem;
        line-height: 1.8;
        margin: 0 0 14px;
      }
      .about-copy p:last-child {
        margin-bottom: 0;
      }
      @media (max-width: 600px) {
        .about-inner {
          grid-template-columns: 1fr;
          gap: 20px;
        }
        .about-mark {
          width: 76px;
          height: 76px;
          border-radius: 18px;
          font-size: 1.6rem;
        }
      }
      footer {
        padding: 30px 0;
        background: #0c1b2c;
        color: #cbd7e2;
        font-size: 0.88rem;
      }
      .footer-inner {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        gap: 18px;
        flex-wrap: wrap;
      }
      .footer-inner a {
        color: #fff;
        text-decoration: none;
      }
      .footer-inner a:hover {
        text-decoration: underline;
      }
      .footer-contact {
        display: flex;
        flex-direction: column;
        gap: 8px;
      }
      .footer-social {
        display: flex;
        flex-direction: column;
        gap: 8px;
      }
      .whatsapp {
        position: fixed;
        right: 20px;
        bottom: 20px;
        z-index: 5;
        background: #1769aa;
        color: #fff;
        text-decoration: none;
        border-radius: 999px;
        padding: 13px 18px;
        box-shadow: 0 8px 26px #10243a30;
        font-weight: 800;
      }
      @media (max-width: 760px) {
        .hero {
          padding: 54px 0;
        }
        .hero-grid {
          grid-template-columns: 1fr;
          gap: 28px;
        }
        .trust-grid,
        .features,
        .process-grid {
          grid-template-columns: 1fr;
        }
        .module-grid {
          grid-template-columns: 1fr;
        }
        .cta-inner {
          align-items: flex-start;
          flex-direction: column;
        }
        .nav > a:not(.btn) {
          display: none;
        }
        .btn {
          width: 100%;
        }
        .actions {
          width: 100%;
        }
        section {
          padding: 54px 0;
        }
      }

      .gallery {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 22px;
        align-items: stretch;
      }
      .gallery-card {
        margin: 0;
        border: 1px solid var(--line);
        border-radius: 15px;
        overflow: hidden;
        background: #fff;
        box-shadow: 0 8px 24px #14283f0a;
      }
      .gallery-card img {
        display: block;
        width: 100%;
        height: auto;
        aspect-ratio: 16/9;
        object-fit: contain;
        background: #f1f4f8;
        border-bottom: 1px solid var(--line);
      }
      .gallery-card figcaption {
        padding: 18px 20px 20px;
      }
      .gallery-card h3 {
        margin: 0 0 6px;
        font-size: 1.08rem;
      }
      .gallery-card p {
        margin: 0;
        color: var(--muted);
        font-size: 0.94rem;
      }
      .gallery-note {
        margin: 22px auto 0;
        max-width: 800px;
        color: var(--muted);
        font-size: 0.86rem;
        text-align: center;
      }
      @media (max-width: 760px) {
        .gallery {
          grid-template-columns: 1fr;
        }
      }

      .pricing-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 22px;
        max-width: 900px;
        margin: 0 auto;
      }
      .price-card {
        border: 1px solid var(--line);
        border-radius: 18px;
        padding: 28px;
        background: #fff;
        box-shadow: 0 10px 30px #14283f0b;
        position: relative;
      }
      .price-card.featured {
        border: 2px solid var(--blue);
      }
      .price-card h3 {
        font-size: 1.25rem;
        margin: 0 0 8px;
      }
      .price-card .description {
        color: var(--muted);
        margin: 0 0 20px;
        min-height: 48px;
      }
      .price-line {
        padding: 15px 0;
        border-top: 1px solid var(--line);
      }
      .price-label {
        display: block;
        color: var(--muted);
        font-size: 0.9rem;
      }
      .price-value {
        font-size: 1.8rem;
        line-height: 1.25;
        font-weight: 850;
        color: var(--navy);
        letter-spacing: -0.04em;
      }
      .price-note {
        font-size: 0.85rem;
        color: var(--muted);
        margin-top: 20px;
      }
      .gallery {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 22px;
        align-items: stretch;
      }
      .gallery-card {
        margin: 0;
        border: 1px solid var(--line);
        border-radius: 15px;
        overflow: hidden;
        background: #fff;
        box-shadow: 0 8px 24px #14283f0a;
      }
      .gallery-card img {
        display: block;
        width: 100%;
        height: auto;
        aspect-ratio: 1.414/1;
        object-fit: contain;
        background: #f1f4f8;
        border-bottom: 1px solid var(--line);
      }
      .gallery-card figcaption {
        padding: 18px 20px 20px;
      }
      .gallery-card h3 {
        margin: 0 0 6px;
        font-size: 1.08rem;
      }
      .gallery-card p {
        margin: 0;
        color: var(--muted);
        font-size: 0.94rem;
      }
      @media (max-width: 760px) {
        .gallery,
        .pricing-grid {
          grid-template-columns: 1fr;
        }
        .price-card .description {
          min-height: 0;
        }
      }

      /* Ajustes de cabeçalho e hero para celulares */
      .brand {
        display: flex;
        align-items: center;
        flex: 0 0 auto;
        min-width: 0;
      }
      .brand img {
        display: block;
        width: 145px;
        max-width: 100%;
        height: auto;
        object-fit: contain;
        image-rendering: auto;
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
      }
      .topbar {
        padding: 14px 0;
      }
      .nav {
        flex-wrap: wrap;
        row-gap: 12px;
      }
      .nav > a:not(.brand):not(.btn) {
        display: inline-flex;
        align-items: center;
        font-size: 0.9rem;
        white-space: nowrap;
      }
      .nav .btn {
        width: auto;
        white-space: nowrap;
      }
      .hero-panel {
        background: transparent;
        border: 0;
        box-shadow: none;
        border-radius: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: visible;
        min-width: 0;
      }
      .hero-product {
        width: 100%;
        max-width: 440px;
        max-height: 460px;
        object-fit: contain;
      }
      @media (max-width: 760px) {
        html {
          scroll-padding-top: calc(var(--header-offset, 150px) + 12px);
        }
        section[id] {
          scroll-margin-top: calc(var(--header-offset, 150px) + 12px);
        }
        .topbar {
          position: sticky;
          top: 0;
          z-index: 1000;
          padding: 12px 0;
        }
        .nav {
          display: flex;
          justify-content: space-between;
          gap: 10px 14px;
        }
        .brand {
          width: 100%;
          justify-content: center;
          padding: 2px 0 8px;
        }
        .brand img {
          width: 136px;
          max-height: 44px;
        }
        .nav > a:not(.brand):not(.btn) {
          display: inline-flex;
          font-size: 0.83rem;
          padding: 5px 0;
        }
        .nav .btn {
          width: 100%;
          order: 10;
          padding: 11px 12px;
          font-size: 0.92rem;
        }
        .hero {
          padding: 38px 0 42px;
        }
        .hero-grid {
          grid-template-columns: minmax(0, 1fr);
          gap: 26px;
        }
        .hero-grid > div:first-child {
          min-width: 0;
        }
        h1 {
          font-size: clamp(2rem, 8.2vw, 2.8rem);
          overflow-wrap: normal;
        }
        .hero p {
          font-size: 1.04rem;
          line-height: 1.7;
        }
        .actions {
          display: grid;
          grid-template-columns: 1fr;
          gap: 10px;
        }
        .hero-panel {
          grid-row: 2;
          margin-top: 0;
        }
        .hero-product {
          width: min(100%, 320px);
          max-height: 310px;
        }
        .whatsapp {
          right: 12px;
          bottom: 12px;
          padding: 11px 14px;
          font-size: 0.9rem;
        }
      }
      @media (max-width: 380px) {
        .nav > a:not(.brand):not(.btn) {
          font-size: 0.77rem;
        }
        .brand img {
          width: 128px;
        }
      }

      /* Clientes que utilizam e indicam o Sisplan */
      .clients-section {
        padding: 68px 0;
        background: #f7f9fc;
        border-top: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
      }
      .clients-grid {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 18px;
      }
      .client-card {
        min-height: 190px;
        padding: 20px 16px;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 14px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
        text-align: center;
        gap: 14px;
        box-shadow: 0 5px 18px rgba(20, 40, 63, 0.04);
      }
      .client-logo-wrap {
        width: 100%;
        height: 100px;
        display: flex;
        align-items: center;
        justify-content: center;
      }
      .client-logo {
        max-width: 100%;
        max-height: 100px;
        width: auto;
        height: auto;
        object-fit: contain;
      }
      .client-name {
        font-weight: 750;
        color: var(--navy);
        line-height: 1.3;
      }
      .client-since {
        font-size: 0.88rem;
        color: var(--muted);
      }
      .whatsapp {
        width: 58px;
        height: 58px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #25d366;
        border-radius: 50%;
        box-shadow: 0 8px 26px #10243a35;
      }
      .whatsapp svg {
        width: 31px;
        height: 31px;
        display: block;
        fill: #fff;
      }
      @media (max-width: 900px) {
        .clients-grid {
          grid-template-columns: repeat(3, minmax(0, 1fr));
        }
      }
      @media (max-width: 600px) {
        .clients-section {
          padding: 48px 0;
        }
        .clients-grid {
          grid-template-columns: repeat(2, minmax(0, 1fr));
          gap: 12px;
        }
        .client-card {
          padding: 14px 10px;
          min-height: 175px;
        }
        .client-logo-wrap {
          height: 82px;
        }
        .client-logo {
          max-height: 82px;
        }
      }

      /* Ajustes solicitados: navegação responsiva e ordem das seções */
      .nav {
        flex-wrap: wrap;
      }
      .brand {
        display: flex;
        align-items: center;
        flex: 0 0 auto;
      }
      .brand img {
        display: block;
        width: 145px;
        max-width: 100%;
        height: auto;
        object-fit: contain;
      }
      .nav > a:not(.brand) {
        white-space: nowrap;
      }
      @media (max-width: 760px) {
        .topbar {
          padding: 10px 0;
        }
        .nav {
          display: flex;
          flex-wrap: wrap;
          justify-content: center;
          gap: 10px 14px;
        }
        .brand {
          width: 100%;
          justify-content: center;
          margin-bottom: 4px;
        }
        .brand img {
          width: 150px;
          max-height: 48px;
        }
        .nav > a:not(.brand) {
          display: inline-flex;
          font-size: 0.78rem;
          padding: 3px 0;
        }
        .nav .btn {
          display: none;
        }
        .hero .actions {
          display: none;
        }
        .trust-grid {
          grid-template-columns: 1fr 1fr;
        }
        .trust-item {
          font-size: 0.85rem;
          align-items: flex-start;
        }
      }
      @media (max-width: 430px) {
        .trust-grid {
          grid-template-columns: 1fr;
        }
        .nav {
          gap: 8px 12px;
        }
        .nav > a:not(.brand) {
          font-size: 0.76rem;
        }
      }
      /* Logo do cabeçalho: dimensões explícitas no mobile e alternativa se a imagem falhar. */
      .topbar .brand {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        min-width: 0;
        line-height: 1;
      }
      .topbar .brand img {
        display: block;
        width: 150px;
        height: auto;
        max-width: 100%;
        max-height: 48px;
        object-fit: contain;
        visibility: visible;
        opacity: 1;
      }
      .brand-fallback {
        display: none;
        align-items: center;
        justify-content: center;
        color: #14283f;
        font-size: 1.35rem;
        font-weight: 850;
        letter-spacing: 0.08em;
        line-height: 1;
        padding: 8px 0;
      }
      @media (max-width: 760px) {
        .topbar .brand {
          width: 100%;
          min-height: 48px;
          margin: 0 auto 4px;
          padding: 4px 0;
          overflow: visible;
        }
        .topbar .brand img {
          width: 150px;
          height: auto;
          max-width: 80vw;
          max-height: 48px;
          object-fit: contain;
        }
      }
      @media (max-width: 380px) {
        .topbar .brand img {
          width: 136px;
          max-height: 44px;
        }
      }

      html {
        scroll-behavior: smooth;
      }

      /* Correção final: manter somente a imagem do logo e garantir a área da imagem do produto no hero. */
      .topbar .brand-fallback {
        display: none !important;
      }
      .topbar .brand img {
        display: block !important;
        visibility: visible;
        opacity: 1;
        object-fit: contain;
      }
      .hero-panel {
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 0;
        min-height: 240px;
        overflow: visible;
        background: transparent;
      }
      .hero-panel .hero-product {
        display: block !important;
        visibility: visible;
        opacity: 1;
        width: 100%;
        max-width: 440px;
        height: auto;
        max-height: 490px;
        object-fit: contain;
      }
      @media (max-width: 760px) {
        .hero-panel {
          grid-row: 2;
          width: 100%;
          min-height: 220px;
          margin-top: 0;
        }
        .hero-panel .hero-product {
          width: min(100%, 360px);
          max-width: 360px;
          max-height: 340px;
        }
      }

      /* Seção de suporte e downloads */
      .support-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 20px;
        margin-top: 28px;
      }
      .support-card {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 16px;
        padding: 26px;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        box-shadow: 0 8px 24px #10243a0a;
      }
      .support-card h3 {
        margin: 0 0 10px;
        color: var(--ink);
      }
      .support-card p {
        color: var(--muted);
        line-height: 1.65;
        margin: 0 0 22px;
        flex: 1;
      }
      .support-card .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        background: var(--blue);
        color: #fff;
        width: 100%;
        min-height: 44px;
      }
      .support-note {
        margin-top: 20px;
        color: var(--muted);
        font-size: 0.9rem;
      }
      @media (max-width: 760px) {
        .support-grid {
          grid-template-columns: 1fr;
        }
        .support-card {
          padding: 22px;
        }
      }