:root {
      --navy-950: #071B30;
      --navy-900: #0B2A4A;
      --navy-800: #0F3763;
      --navy-700: #003264;
      --navy-600: #1A5488;
      --navy-500: #3B72A6;
      --ice-100: #F4F8FB;
      --ice-200: #E7EFF6;
      --line: #D7E2EC;
      --white: #FFFFFF;
      --amber: #E8A33D;
      --amber-dark: #C97F1E;
      --ink: #0C1B2A;
      --ink-soft: #4C6070;
      --shadow: 0 20px 50px -20px rgba(7, 27, 48, 0.35);
      --radius: 14px;
      --maxw: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scrollbar-color: var(--navy-600) var(--ice-100);
      scrollbar-width: thin;
    }

    ::-webkit-scrollbar {
      width: 12px;
      height: 12px;
    }

    ::-webkit-scrollbar-track {
      background: var(--ice-100);
    }

    ::-webkit-scrollbar-thumb {
      background: var(--navy-600);
      border-radius: 8px;
      border: 3px solid var(--ice-100);
    }

    ::-webkit-scrollbar-thumb:hover {
      background: var(--navy-800);
    }

    body {
      margin: 0;
      font-family: 'IBM Plex Sans', sans-serif;
      color: var(--ink);
      background: var(--white);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    h1,
    h2,
    h3,
    h4 {
      font-family: 'Space Grotesk', sans-serif;
      margin: 0;
      letter-spacing: -0.01em;
      color: var(--navy-900);
    }

    p {
      margin: 0;
      line-height: 1.65;
      color: var(--ink-soft);
    }

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

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

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

    .mono {
      font-family: 'IBM Plex Mono', monospace;
    }

    .eyebrow {
      font-family: 'IBM Plex Mono', monospace;
      font-size: 12.5px;
      font-weight: 600;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--navy-600);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .eyebrow::before {
      content: "";
      width: 22px;
      height: 2px;
      background: var(--amber);
      display: inline-block;
    }

    section {
      position: relative;
    }

    ::selection {
      background: var(--amber);
      color: var(--navy-950);
    }

    /* ---------- reveal animation ---------- */
    .reveal {
      opacity: 0;
      transform: translateY(22px);
      transition: opacity .7s ease, transform .7s ease;
    }

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

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

    /* ---------- header ---------- */
    header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid transparent;
      transition: border-color .3s ease, box-shadow .3s ease;
    }

    header.scrolled {
      border-color: var(--line);
      box-shadow: 0 4px 24px -8px rgba(7, 27, 48, 0.12);
    }

    .header-inner {
      max-width: var(--maxw);
      margin: 0 auto;
      padding: 14px 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand img {
      width: 38px;
      height: 38px;
      border-radius: 9px;
    }

    .brand-text {
      line-height: 1.1;
    }

    .brand-text .name {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
      font-size: 16.5px;
      color: var(--navy-900);
    }

    .brand-text .role {
      font-family: 'IBM Plex Mono', monospace;
      font-size: 10.5px;
      letter-spacing: .08em;
      color: var(--ink-soft);
      text-transform: uppercase;
    }

    nav.links {
      display: flex;
      gap: 32px;
    }

    nav.links a {
      font-size: 14.5px;
      font-weight: 500;
      color: var(--navy-800);
      position: relative;
      padding: 4px 0;
    }

    nav.links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -2px;
      height: 2px;
      width: 0;
      background: var(--amber);
      transition: width .25s ease;
    }

    nav.links a:hover::after {
      width: 100%;
    }

    .header-cta {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 13px 24px;
      border-radius: 999px;
      font-weight: 600;
      font-size: 14.5px;
      border: 1.5px solid transparent;
      cursor: pointer;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
      white-space: nowrap;
    }

    .btn:active {
      transform: scale(0.97);
    }

    .btn-whatsapp {
      background: var(--navy-700);
      color: var(--white);
      box-shadow: 0 10px 24px -8px rgba(0, 50, 100, 0.55);
    }

    .btn-whatsapp:hover {
      background: var(--navy-800);
      transform: translateY(-2px);
    }

    .btn-whatsapp svg {
      width: 18px;
      height: 18px;
      flex: none;
    }

    .btn-ghost {
      background: transparent;
      border-color: var(--navy-700);
      color: var(--navy-700);
    }

    .btn-ghost:hover {
      background: var(--ice-200);
    }

    .btn-lg {
      padding: 16px 30px;
      font-size: 15.5px;
    }

    .header-cta .btn-whatsapp {
      padding: 11px 20px;
      font-size: 13.5px;
    }

    /* ---------- hero ---------- */
    .hero {
      position: relative;
      overflow: hidden;
      padding: 96px 0 110px;
      color: var(--white);
      isolation: isolate;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      z-index: 0;
      background-image: var(--hero-photo, none);
      background-size: cover;
      background-position: center 42%;
      background-color: var(--navy-950);
      /* fallback photographic-style backdrop until a real photo is set via --hero-photo */
      background-image:
        var(--hero-photo, none),
        radial-gradient(1200px 700px at 15% 0%, rgba(26, 84, 136, 0.35), transparent 60%),
        linear-gradient(155deg, #0B2A4A 0%, #071B30 55%, #030F1C 100%);
      transition: opacity .05s linear;
      will-change: opacity;
    }

    .hero-grain {
      position: absolute;
      inset: 0;
      z-index: 1;
      opacity: 0.05;
      mix-blend-mode: overlay;
      pointer-events: none;
      background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      z-index: 1;
      background: linear-gradient(180deg, rgba(4, 15, 28, 0.25) 0%, rgba(4, 15, 28, 0.55) 60%, rgba(4, 15, 28, 0.88) 100%);
    }

    .hero-inner {
      position: relative;
      z-index: 2;
    }

    .hero-copy {
      max-width: 640px;
    }

    .hero .eyebrow {
      color: var(--amber);
    }

    .hero h1 {
      color: var(--white);
      font-size: clamp(34px, 4.4vw, 52px);
      line-height: 1.08;
      margin: 18px 0 22px;
    }

    .hero h1 em {
      font-style: normal;
      background: linear-gradient(180deg, transparent 62%, rgba(232, 163, 61, 0.55) 62%);
    }

    .hero p.lead {
      font-size: 17px;
      max-width: 520px;
      margin-bottom: 32px;
      color: rgba(255, 255, 255, 0.82);
    }

    .hero-ctas {
      display: flex;
      align-items: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    .hero-fine {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.75);
    }

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

    .section-alt {
      background: var(--ice-100);
    }

    .section-navy {
      background: var(--navy-900);
    }

    .section-navy h2,
    .section-navy p {
      color: var(--white);
    }

    .section-navy .eyebrow {
      color: var(--amber);
    }

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

    .head-block h2 {
      font-size: clamp(26px, 3vw, 36px);
      margin-top: 14px;
    }

    .head-block p {
      margin-top: 16px;
      font-size: 16px;
    }

    .head-block.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }

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

    .problem-card {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 28px 24px;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .problem-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow);
      border-color: transparent;
    }

    .problem-card .icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: var(--navy-900);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
    }

    .problem-card .icon svg {
      width: 22px;
      height: 22px;
      stroke: var(--white);
    }

    .problem-card h3 {
      font-size: 16.5px;
      margin-bottom: 8px;
    }

    .problem-card p {
      font-size: 14px;
    }

    /* ---------- timeline / route ---------- */
    .route-wrap {
      position: relative;
      padding-top: 10px;
    }

    .route-line {
      position: absolute;
      left: 27px;
      top: 12px;
      bottom: 12px;
      width: 2px;
      background: repeating-linear-gradient(180deg, var(--line) 0 8px, transparent 8px 16px);
    }

    .step {
      display: grid;
      grid-template-columns: 56px 1fr;
      gap: 26px;
      padding-bottom: 44px;
      position: relative;
    }

    .step:last-child {
      padding-bottom: 0;
    }

    .step-marker {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: var(--white);
      border: 2px solid var(--navy-700);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'IBM Plex Mono', monospace;
      font-weight: 700;
      color: var(--navy-700);
      font-size: 15px;
      position: relative;
      z-index: 2;
      flex: none;
    }

    .step-body {
      padding-top: 6px;
    }

    .step-body .km {
      font-family: 'IBM Plex Mono', monospace;
      font-size: 11.5px;
      color: var(--amber-dark);
      font-weight: 600;
      letter-spacing: .05em;
      display: block;
      margin-bottom: 6px;
    }

    .step-body h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

    .step-body p {
      font-size: 14.5px;
      max-width: 640px;
    }

    /* ---------- scope copy (texto corrido) ---------- */
    .scope-copy {
      max-width: 760px;
      display: flex;
      flex-direction: column;
      gap: 20px;
      padding: 36px 40px;
      background: var(--ice-100);
      border-left: 3px solid var(--navy-700);
      border-radius: 0 var(--radius) var(--radius) 0;
    }

    .scope-copy p {
      font-size: 15.5px;
      color: var(--ink);
    }

    .scope-copy p:first-child {
      font-weight: 500;
      color: var(--navy-900);
    }

    @media (max-width:720px) {
      .scope-copy {
        padding: 26px 22px;
      }
    }

    /* ---------- scope grid (legado, não utilizado) ---------- */
    .scope-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      background: var(--line);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
    }

    .scope-card {
      background: var(--white);
      padding: 34px 26px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .scope-card .tag {
      font-family: 'IBM Plex Mono', monospace;
      font-size: 11px;
      color: var(--navy-500);
      font-weight: 600;
    }

    .scope-card h3 {
      font-size: 17px;
    }

    .scope-card p {
      font-size: 13.8px;
    }

    /* ---------- audience ---------- */
    .audience-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .audience-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 22px;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.14);
    }

    .audience-item .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--amber);
      margin-top: 8px;
      flex: none;
    }

    .audience-item p {
      color: rgba(255, 255, 255, 0.82);
      font-size: 14.5px;
    }

    .audience-item strong {
      color: var(--white);
      display: block;
      margin-bottom: 4px;
      font-family: 'Space Grotesk', sans-serif;
      font-size: 15.5px;
    }

    /* ---------- faq ---------- */
    .faq-item {
      border-bottom: 1px solid var(--line);
    }

    .faq-q {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      cursor: pointer;
      padding: 24px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 600;
      font-size: 17px;
      color: var(--navy-900);
    }

    .faq-q .plus {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      border: 1.5px solid var(--navy-700);
      flex: none;
      position: relative;
    }

    .faq-q .plus::before,
    .faq-q .plus::after {
      content: "";
      position: absolute;
      background: var(--navy-700);
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
    }

    .faq-q .plus::before {
      width: 11px;
      height: 1.6px;
    }

    .faq-q .plus::after {
      width: 1.6px;
      height: 11px;
      transition: opacity .2s ease;
    }

    .faq-item.open .plus::after {
      opacity: 0;
    }

    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease;
    }

    .faq-a-inner {
      padding: 0 0 24px;
      max-width: 760px;
    }

    .faq-a-inner p {
      font-size: 15px;
    }

    /* ---------- final cta ---------- */
    .cta-panel {
      background: linear-gradient(120deg, var(--navy-800), var(--navy-950));
      border-radius: 24px;
      padding: 64px 56px 42px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
      position: relative;
      overflow: hidden;
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      right: -60px;
      top: -60px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(232, 163, 61, 0.25), transparent 70%);
    }

    .cta-panel h2 {
      color: var(--white);
      font-size: clamp(24px, 2.6vw, 32px);
      max-width: 520px;
    }

    .cta-panel p {
      color: rgba(255, 255, 255, 0.75);
      margin-top: 12px;
      max-width: 480px;
    }

    .cta-panel .btn-whatsapp {
      background: var(--white);
      color: var(--navy-900);
      box-shadow: none;
    }

    .cta-panel .btn-whatsapp:hover {
      background: var(--amber);
      color: var(--navy-950);
    }

    /* truck driving across a small road strip, triggered when the CTA comes into view */
    .truck-lane {
      flex: 1 1 100%;
      position: relative;
      height: 44px;
      margin-top: 12px;
      border-radius: 8px;
      overflow: hidden;
      background: linear-gradient(180deg, #16293c, #0C1D2C);
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
    }

    .truck-lane::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: 50%;
      height: 3px;
      transform: translateY(-50%);
      background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.5) 0 22px, transparent 22px 46px);
    }

    .truck-lane .truck {
      position: absolute;
      bottom: 3px;
      left: -16%;
      width: 62px;
      height: auto;
      opacity: 0;
    }

    .truck-lane.driving .truck {
      opacity: 1;
      animation: driveTruck 6.5s linear infinite;
    }

    @keyframes driveTruck {
      0% {
        left: -16%;
      }

      100% {
        left: 114%;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      .truck-lane .truck {
        opacity: 1;
        left: 24%;
        animation: none;
      }
    }

    @media (max-width:720px) {
      .truck-lane {
        height: 36px;
      }

      .truck-lane .truck {
        width: 48px;
      }
    }

    /* ---------- footer ---------- */
    footer {
      background: var(--navy-950);
      padding: 56px 0 28px;
    }

    .footer-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 40px;
      padding-bottom: 36px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

    .footer-brand {
      display: flex;
      gap: 14px;
      align-items: center;
    }

    .footer-brand img {
      width: 40px;
      height: 40px;
      border-radius: 9px;
    }

    .footer-brand .name {
      font-family: 'Space Grotesk', sans-serif;
      color: var(--white);
      font-weight: 700;
      font-size: 17px;
    }

    .footer-brand .tag {
      color: rgba(255, 255, 255, 0.55);
      font-size: 13px;
      margin-top: 2px;
    }

    .footer-contact {
      display: flex;
      gap: 48px;
    }

    .footer-contact .col h4 {
      color: rgba(255, 255, 255, 0.4);
      font-family: 'IBM Plex Mono', monospace;
      font-size: 11px;
      letter-spacing: .1em;
      text-transform: uppercase;
      margin-bottom: 10px;
      font-weight: 600;
    }

    .footer-contact .col a,
    .footer-contact .col span {
      color: rgba(255, 255, 255, 0.85);
      font-size: 14.5px;
      display: block;
      margin-bottom: 6px;
    }

    .footer-bottom {
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-bottom span {
      color: rgba(255, 255, 255, 0.4);
      font-size: 12.5px;
    }

    /* ---------- floating whatsapp ---------- */
    .float-wa {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 200;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      background: #1EA952;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 14px 30px -8px rgba(0, 0, 0, 0.4);
      transition: transform .2s ease;
    }

    .float-wa:hover {
      transform: scale(1.08);
    }

    .float-wa svg {
      width: 30px;
      height: 30px;
    }

    .float-wa .pulse {
      position: absolute;
      inset: 0;
      border-radius: 50%;
      background: #1EA952;
      animation: pulse 2.2s ease-out infinite;
    }

    @keyframes pulse {
      0% {
        opacity: .55;
        transform: scale(1);
      }

      100% {
        opacity: 0;
        transform: scale(1.9);
      }
    }

    /* ---------- mobile nav ---------- */
    .burger {
      display: none;
      width: 40px;
      height: 40px;
      border: none;
      background: none;
      cursor: pointer;
      position: relative;
    }

    .burger span {
      position: absolute;
      left: 9px;
      right: 9px;
      height: 2px;
      background: var(--navy-900);
      transition: .25s ease;
    }

    .burger span:nth-child(1) {
      top: 14px;
    }

    .burger span:nth-child(2) {
      top: 20px;
    }

    .burger span:nth-child(3) {
      top: 26px;
    }

    .burger.open span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }

    .burger.open span:nth-child(2) {
      opacity: 0;
    }

    .burger.open span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }

    @media (max-width:980px) {
      .hero {
        padding: 72px 0 80px;
      }

      .problem-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .scope-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .audience-list {
        grid-template-columns: repeat(2, 1fr);
      }

      .cta-panel {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        padding: 44px 32px;
      }

      .footer-top {
        flex-direction: column;
        gap: 28px;
      }

      .footer-contact {
        gap: 32px;
        flex-wrap: wrap;
      }
    }

    @media (max-width:720px) {
      nav.links {
        display: none;
      }

      .burger {
        display: block;
      }

      .header-cta .btn span.label {
        display: none;
      }

      .header-cta .btn-whatsapp {
        padding: 12px;
        border-radius: 50%;
      }

      .trust-row {
        gap: 20px;
      }

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

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

      .audience-list {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 64px 0;
      }

      .hero {
        padding: 56px 0 60px;
      }

      .cta-panel {
        padding: 36px 24px;
        border-radius: 18px;
      }
    }