:root {
      --blue-sky: #5BA3D9;
      --blue-mid: #2E6FA3;
      --blue-deep: #0B1C2C;
      --blue-celeste: #1A3A5C;
      --gray-100: #F4F6F8;
      --gray-200: #E5E9ED;
      --gray-400: #9AA5B1;
      --gray-600: #5A6A7A;
      --gray-800: #2C3A47;
      --black: #0A0F14;
      --white: #FFFFFF;
      --radius: 12px;
      --shadow: 0 4px 24px rgba(11, 28, 44, 0.08);
      --shadow-lg: 0 12px 40px rgba(11, 28, 44, 0.12);
    }

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

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 88px;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--white);
      color: var(--gray-800);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

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

    .container {
      width: 100%;
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ========== HEADER ========== */
    header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--gray-200);
      transition: all 0.3s ease;
    }

    header.scrolled {
      box-shadow: var(--shadow);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      height: 72px;
    }

    .logo {
      display: flex;
      align-items: center;
      flex-shrink: 0;
    }

    .logo img {
      display: block;
      height: 42px;
      width: auto;
    }

    footer .logo img {
      height: 36px;
      margin: 0 auto 8px;
    }

    .nav-links {
      display: flex;
      gap: 32px;
      align-items: center;
    }

    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--gray-600);
      transition: color 0.2s;
      white-space: nowrap;
    }

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

    .nav-links a.btn-whatsapp,
    .nav-links a.btn-whatsapp:hover {
      color: white;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.95rem;
      transition: all 0.2s ease;
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--blue-sky), var(--blue-mid));
      color: var(--white);
      box-shadow: 0 4px 14px rgba(46, 111, 163, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(46, 111, 163, 0.45);
    }

    .btn-whatsapp {
      background: #25D366;
      color: white;
      box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
    }

    .btn-whatsapp:hover {
      background: #1EBE57;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    }

    .btn-outline {
      background: transparent;
      border: 2px solid var(--blue-mid);
      color: var(--blue-mid);
    }

    .btn-outline:hover {
      background: var(--blue-mid);
      color: white;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--blue-deep);
      margin: 6px 0;
      transition: 0.3s;
      transform-origin: center;
    }

    /* ========== HERO ========== */
    .hero {
      padding: 160px 0 120px;
      background: 
        linear-gradient(to bottom, rgba(11, 28, 44, 0.55) 0%, rgba(11, 28, 44, 0.45) 60%, rgba(11, 28, 44, 0.7) 100%),
        url('../assets/hero.jpg') center/cover no-repeat;
      position: relative;
      overflow: hidden;
      color: white;
    }

    .hero-content {
      max-width: 680px;
      position: relative;
      z-index: 1;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(8px);
      color: white;
      font-size: 0.85rem;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 50px;
      margin-bottom: 24px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .hero h1 {
      font-size: clamp(2.2rem, 5vw, 3.4rem);
      font-weight: 800;
      color: white;
      line-height: 1.15;
      letter-spacing: -1px;
      margin-bottom: 20px;
      text-shadow: 0 2px 20px rgba(0,0,0,0.3);
    }

    .hero h1 span {
      color: #7EC8F0;
    }

    .hero p {
      font-size: 1.15rem;
      color: rgba(255, 255, 255, 0.9);
      max-width: 520px;
      margin-bottom: 36px;
      line-height: 1.7;
    }

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

    .hero .btn-outline {
      border-color: rgba(255, 255, 255, 0.7);
      color: white;
    }

    .hero .btn-outline:hover {
      background: white;
      color: var(--blue-deep);
      border-color: white;
    }

    /* ========== SECTION COMMON ========== */
    section {
      padding: 90px 0;
    }

    .section-header {
      text-align: center;
      max-width: 600px;
      margin: 0 auto 56px;
    }

    .section-header h2 {
      font-size: clamp(1.8rem, 4vw, 2.4rem);
      font-weight: 800;
      color: var(--blue-deep);
      letter-spacing: -0.5px;
      margin-bottom: 16px;
    }

    .section-header p {
      font-size: 1.1rem;
      color: var(--gray-600);
    }

    /* ========== QUEM SOMOS ========== */
    .about {
      background: var(--white);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    .about-text h2 {
      font-size: 2rem;
      font-weight: 800;
      color: var(--blue-deep);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .about-text p {
      color: var(--gray-600);
      margin-bottom: 16px;
      font-size: 1.05rem;
    }

    .about-card {
      background: linear-gradient(145deg, var(--blue-deep), var(--blue-celeste));
      border-radius: 20px;
      padding: 40px 36px;
      color: white;
      box-shadow: var(--shadow-lg);
    }

    .about-card h3 {
      font-size: 1.4rem;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .about-card p {
      opacity: 0.9;
      line-height: 1.7;
    }

    /* ========== DORES ========== */
    .pains {
      background: var(--gray-100);
    }

    .pains-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }

    .pain-card {
      background: white;
      border-radius: var(--radius);
      padding: 32px 28px;
      box-shadow: var(--shadow);
      border: 1px solid var(--gray-200);
      transition: all 0.25s ease;
    }

    .pain-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--blue-sky);
    }

    .pain-icon {
      width: 48px;
      height: 48px;
      background: rgba(91, 163, 217, 0.12);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 1.4rem;
    }

    .pain-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--blue-deep);
      margin-bottom: 10px;
    }

    .pain-card p {
      font-size: 0.95rem;
      color: var(--gray-600);
      line-height: 1.6;
    }

    /* ========== SOLUÇÃO ========== */
    .solution {
      background: var(--white);
    }

    .solution-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 32px;
      counter-reset: step;
    }

    .step {
      position: relative;
      padding-top: 16px;
    }

    .step::before {
      counter-increment: step;
      content: counter(step);
      position: absolute;
      top: 0;
      left: 0;
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--blue-sky), var(--blue-mid));
      color: white;
      font-weight: 700;
      font-size: 1rem;
      line-height: 36px;
      text-align: center;
      border-radius: 50%;
    }

    .step-content {
      padding-left: 52px;
    }

    .step h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--blue-deep);
      margin-bottom: 8px;
    }

    .step p {
      font-size: 0.95rem;
      color: var(--gray-600);
    }

    /* ========== PARA QUEM ========== */
    .audience {
      background: linear-gradient(160deg, var(--blue-deep) 0%, var(--blue-celeste) 100%);
      color: white;
    }

    .audience .section-header h2 {
      color: white;
    }

    .audience .section-header p {
      color: rgba(255, 255, 255, 0.8);
    }

    .audience-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 24px;
    }

    .audience-card {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius);
      padding: 32px 24px;
      text-align: center;
      transition: all 0.25s ease;
      display: block;
      cursor: pointer;
      color: inherit;
    }

    .audience-card:hover {
      background: rgba(255, 255, 255, 0.16);
      transform: translateY(-4px);
      border-color: rgba(255, 255, 255, 0.25);
    }

    .audience-icon {
      font-size: 2.2rem;
      margin-bottom: 16px;
    }

    .audience-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .audience-card p {
      font-size: 0.9rem;
      opacity: 0.85;
    }

    /* ========== CTA FINAL ========== */
    .final-cta {
      background: var(--gray-100);
      text-align: center;
      padding: 100px 0;
    }

    .final-cta h2 {
      font-size: clamp(1.8rem, 4vw, 2.5rem);
      font-weight: 800;
      color: var(--blue-deep);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .final-cta p {
      font-size: 1.15rem;
      color: var(--gray-600);
      max-width: 500px;
      margin: 0 auto 36px;
    }

    .final-cta .btn {
      padding: 16px 32px;
      font-size: 1.05rem;
    }

    /* ========== FOOTER ========== */
    footer {
      background: var(--blue-deep);
      color: rgba(255, 255, 255, 0.7);
      padding: 48px 0 32px;
      text-align: center;
    }

    footer .logo {
      color: white;
      margin-bottom: 12px;
      display: inline-block;
    }

    footer p {
      font-size: 0.9rem;
      margin-bottom: 8px;
    }

    footer a {
      color: var(--blue-sky);
      font-weight: 500;
    }

    footer a:hover {
      text-decoration: underline;
    }

    /* ========== FLOATING WHATSAPP ========== */
    .float-whatsapp {
      position: fixed;
      bottom: 28px;
      right: 28px;
      z-index: 99;
      width: 60px;
      height: 60px;
      background: #25D366;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
      transition: all 0.25s ease;
    }

    .float-whatsapp:hover {
      transform: scale(1.08);
      box-shadow: 0 8px 28px rgba(37, 211, 102, 0.5);
    }

    .float-whatsapp.is-hidden {
      opacity: 0;
      pointer-events: none;
    }

    .float-whatsapp svg {
      width: 32px;
      height: 32px;
      fill: white;
    }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 980px) {
      .nav-links {
        display: none;
      }

      .mobile-menu-btn {
        display: block;
      }

      .nav-links.open {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow);
      }

      .nav-links.open .btn {
        width: 100%;
      }

      .mobile-menu-btn.open span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
      }

      .mobile-menu-btn.open span:nth-child(2) {
        opacity: 0;
      }

      .mobile-menu-btn.open span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
      }
    }

    @media (max-width: 768px) {
      .hero {
        padding: 120px 0 70px;
      }

      .hero-ctas {
        flex-direction: column;
      }

      .hero-ctas .btn {
        width: 100%;
      }

      .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      section {
        padding: 70px 0;
      }

      .float-whatsapp {
        bottom: 20px;
        right: 20px;
        width: 54px;
        height: 54px;
      }

      footer {
        padding-bottom: 108px;
      }
    }

    a:focus-visible,
    button:focus-visible {
      outline: 3px solid var(--blue-sky);
      outline-offset: 3px;
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        animation: none !important;
        transition: none !important;
      }
    }