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

    /* Safety net: imagens nunca vazam do container */
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    :root {
      --cyan: #06b6d4;
      --cyan-light: #cffafe;
      --cyan-dark: #164e63;
      --amber: #f59e0b;
      --amber-light: #fef3c7;
      --slate-50: #f8fafc;
      --slate-100: #f1f5f9;
      --slate-200: #e2e8f0;
      --slate-300: #cbd5e1;
      --slate-500: #64748b;
      --slate-600: #475569;
      --slate-700: #334155;
      --slate-900: #0f172a;
      --white: #ffffff;
      --font-display: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      --font-body: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      --radius-sm: 0.75rem;
      --radius-md: 1.25rem;
      --radius-lg: 1.75rem;
      --radius-xl: 2rem;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: var(--font-body);
      color: var(--slate-900);
      background: var(--white);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    /* ── NAV ── */
    .nav {
      position: sticky;
      top: 0;
      z-index: 40;
      border-bottom: 1px solid rgba(226,232,240,0.8);
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    .nav-inner {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0.75rem 2rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }
    .nav-brand { display: flex; align-items: center; gap: 0.75rem; }
    .nav-tagline { font-size: 0.875rem; color: var(--slate-500); display: none; }
    @media (min-width: 768px) { .nav-tagline { display: block; } }
    .nav-actions { display: flex; align-items: center; gap: 0.75rem; }
    .btn-ghost {
      display: none;
      border: 1px solid var(--slate-300);
      background: transparent;
      color: var(--slate-700);
      font-family: var(--font-display);
      font-weight: 600;
      font-size: 0.875rem;
      padding: 0.5rem 1rem;
      border-radius: var(--radius-md);
      text-decoration: none;
      transition: background 0.2s;
      cursor: pointer;
    }
    .btn-ghost:hover { background: var(--slate-50); }
    @media (min-width: 640px) { .btn-ghost { display: inline-flex; align-items: center; } }
    .btn-primary {
      background: var(--amber);
      color: var(--slate-900);
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 0.875rem;
      padding: 0.5rem 1.25rem;
      border-radius: var(--radius-md);
      text-decoration: none;
      border: none;
      cursor: pointer;
      transition: background 0.2s, transform 0.15s;
      box-shadow: 0 2px 8px rgba(245,158,11,0.25);
    }
    .btn-primary:hover { background: #fbbf24; transform: translateY(-1px); }

    /* ── HERO ── */
    .hero {
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--slate-200);
      background:
        radial-gradient(circle at top left, rgba(34,211,238,0.14) 0%, transparent 30%),
        radial-gradient(circle at top right, rgba(245,158,11,0.16) 0%, transparent 28%),
        linear-gradient(to bottom, #f8fafc, #ffffff);
    }
    .hero-blob-1 {
      position: absolute; left: -4rem; top: 5rem;
      width: 14rem; height: 14rem;
      background: #a5f3fc; border-radius: 50%;
      filter: blur(48px); opacity: 0.35; pointer-events: none;
    }
    .hero-blob-2 {
      position: absolute; right: 0; top: 0;
      width: 16rem; height: 16rem;
      background: #fde68a; border-radius: 50%;
      filter: blur(48px); opacity: 0.35; pointer-events: none;
    }
    .hero-inner {
      position: relative;
      max-width: 1280px;
      margin: 0 auto;
      padding: 3.5rem 2rem 4rem;
      display: grid;
      gap: 3rem;
      align-items: center;
    }
    @media (min-width: 1024px) {
      .hero-inner { grid-template-columns: 1.05fr 0.95fr; padding: 5rem 2rem; }
    }
    @media (min-width: 1536px) {
      .hero-inner {
        max-width: 1440px;
        gap: 4rem;
        padding: 6rem 2rem;
      }
    }
    .hero-pill {
      display: inline-flex;
      align-items: center;
      border: 1px solid #a5f3fc;
      background: var(--white);
      color: #155e75;
      font-family: var(--font-display);
      font-weight: 600;
      font-size: 0.8rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      padding: 0.3rem 1rem;
      border-radius: 999px;
      box-shadow: 0 1px 4px rgba(0,0,0,0.06);
      margin-bottom: 1rem;
    }
    .hero h1 {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: clamp(2.25rem, 5vw, 3.75rem);
      line-height: 1.1;
      letter-spacing: -0.025em;
      color: var(--slate-900);
      max-width: 680px;
    }
    .hero-desc {
      margin-top: 1.5rem;
      font-size: 1.1rem;
      line-height: 1.75;
      color: var(--slate-600);
      max-width: 560px;
    }
    .hero-ctas {
      margin-top: 2rem;
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
    }
    .btn-secondary {
      border: 1px solid var(--slate-300);
      background: var(--white);
      color: var(--slate-700);
      font-family: var(--font-display);
      font-weight: 600;
      font-size: 1rem;
      padding: 0.95rem 2rem;
      border-radius: var(--radius-md);
      text-decoration: none;
      transition: background 0.2s;
    }
    .btn-secondary:hover { background: var(--slate-50); }
    .btn-primary-lg {
      background: var(--amber);
      color: var(--slate-900);
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 1rem;
      padding: 0.95rem 2rem;
      border-radius: var(--radius-md);
      text-decoration: none;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 16px rgba(245,158,11,0.3);
      transition: background 0.2s, transform 0.15s;
    }
    .btn-primary-lg:hover { background: #fbbf24; transform: translateY(-1px); }
    .hero-features {
      margin-top: 2rem;
      display: grid;
      gap: 0.75rem;
      grid-template-columns: 1fr 1fr;
    }
    .hero-feature {
      color: var(--slate-700);
      font-size: 0.9rem;
      padding: 0.25rem 0;
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }
    .hero-feature::before {
      content: '';
      display: inline-block;
      width: 18px;
      height: 18px;
      flex-shrink: 0;
      background-color: var(--amber);
      border-radius: 50%;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%23111' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: center;
      background-size: 11px 11px;
    }

    /* Hero image card */
    .hero-card-wrap { position: relative; }
    .hero-img-card {
      position: relative;
      width: 100%;
      max-width: 560px;
      margin: 0 auto;
      overflow: hidden;
      border-radius: var(--radius-xl);
      box-shadow: 0 24px 64px rgba(0,0,0,0.18);
    }
    .hero-img-card img {
      display: block;
      width: 100%;
      max-width: 100%;
      height: 360px;
      object-fit: cover;
      object-position: center center;
    }
    @media (min-width: 768px) {
      .hero-img-card img { height: 420px; }
    }
    @media (min-width: 1024px) {
      .hero-img-card { max-width: none; margin: 0; }
      .hero-img-card img { height: 480px; }
    }
    @media (min-width: 1280px) {
      .hero-img-card img { height: 540px; }
    }
    @media (min-width: 1536px) {
      .hero-img-card img { height: 600px; }
    }
    .hero-img-overlay {
      position: absolute;
      left: 1.5rem; right: 1.5rem; bottom: 1.5rem;
      background: rgba(255,255,255,0.94);
      border: 1px solid rgba(255,255,255,0.7);
      border-radius: 1.25rem;
      padding: 1.25rem;
      box-shadow: 0 8px 32px rgba(0,0,0,0.12);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }
    @media (min-width: 1024px) {
      .hero-img-overlay {
        left: 2rem; right: 2rem; bottom: 2rem;
      }
    }
    .hero-img-overlay p:first-child { font-family: var(--font-display); font-weight: 700; font-size: 0.85rem; color: var(--slate-900); }
    .hero-img-overlay p:last-child { margin-top: 0.25rem; font-size: 0.8rem; color: var(--slate-600); }

    /* ── SECTIONS ── */
    .section { max-width: 1280px; margin: 0 auto; padding: 4rem 2rem; }
    .section-bg { background: var(--slate-50); }
    .section-dark { background: linear-gradient(135deg, #0f172a 0%, #0b2239 60%, #12324a 100%); color: var(--white); }
    .section-dark-2 { background: linear-gradient(135deg, #164e63 0%, #0f172a 55%, #1f2937 100%); color: var(--white); }
    .section-inner { max-width: 1280px; margin: 0 auto; padding: 4rem 2rem; }

    .label {
      font-weight: 600;
      font-size: 0.875rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: #0e7490;
    }
    .label-light { color: #a5f3fc; }

    h2 {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: clamp(1.875rem, 3.5vw, 2.25rem);
      letter-spacing: -0.025em;
      line-height: 1.15;
      margin-top: 0.75rem;
    }

    /* Cards grid */
    .grid-3 { display: grid; gap: 1.5rem; }
    @media (min-width: 768px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
    @media (min-width: 1280px) { .grid-3 { grid-template-columns: 1fr 1fr 1fr; } }

    .card {
      background: var(--white);
      border: 1px solid var(--slate-200);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    }
    .card h3 {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 1.1rem;
      color: var(--slate-900);
    }
    .card p { margin-top: 0.75rem; font-size: 0.95rem; line-height: 1.7; color: var(--slate-600); }

    .card-muted { background: var(--slate-50); border-color: var(--slate-200); }

    /* ── PROBLEM SECTION ── */
    .problem-grid { display: grid; gap: 3rem; }
    @media (min-width: 1024px) { .problem-grid { grid-template-columns: 1fr 1fr; align-items: start; } }
    .problem-text { font-size: 1.05rem; line-height: 1.85; color: var(--slate-600); }
    .problem-text p + p { margin-top: 1rem; }

    /* ── SETOR GALLERY ── */
    .setor-grid {
      margin-top: 3rem;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.75rem;
    }
    @media (min-width: 768px) {
      .setor-grid { grid-template-columns: repeat(3, 1fr); }
    }
    .setor-grid img {
      width: 100%;
      object-fit: cover;
      object-position: center bottom;
      border-radius: var(--radius-lg);
      display: block;
    }

    /* ── HOW IT WORKS ── */
    .steps-grid {
      display: grid;
      gap: 1.25rem;
      margin-top: 2.5rem;
    }
    @media (min-width: 768px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (min-width: 1280px) { .steps-grid { grid-template-columns: repeat(5, 1fr); } }
    .step-card {
      background: var(--white);
      border: 1px solid var(--slate-200);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    }
    .step-card h3 {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 1rem;
      color: var(--slate-900);
    }
    .step-card p { margin-top: 0.75rem; font-size: 0.875rem; line-height: 1.7; color: var(--slate-600); }

    /* ── APPLICATIONS ── */
    .apps-grid {
      display: grid;
      gap: 1rem;
      grid-template-columns: 1fr;
      align-self: center;
    }
    @media (min-width: 640px) {
      .apps-grid { grid-template-columns: 1fr 1fr; }
    }

    .app-card {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
      padding: 1.25rem;
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.03);
      border-radius: var(--radius-md);
      transition: background 0.25s, border-color 0.25s, transform 0.25s;
    }
    .app-card:hover {
      background: rgba(34,211,238,0.06);
      border-color: rgba(34,211,238,0.35);
      transform: translateY(-2px);
    }

    .app-icon {
      flex-shrink: 0;
      width: 42px;
      height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: rgba(34,211,238,0.12);
      color: #67e8f9;
      border: 1px solid rgba(34,211,238,0.22);
    }
    .app-icon svg {
      width: 22px;
      height: 22px;
    }
    .app-card:hover .app-icon {
      background: rgba(34,211,238,0.18);
      color: #a5f3fc;
    }

    .app-title {
      font-size: 0.95rem;
      font-weight: 600;
      color: #f1f5f9;
      line-height: 1.3;
      margin-bottom: 0.25rem;
    }
    .app-desc {
      font-size: 0.85rem;
      line-height: 1.5;
      color: #94a3b8;
    }

    /* ── CTA STRIP ── */
    .cta-strip {
      display: grid;
      gap: 1.5rem;
      background: var(--white);
      border: 1px solid var(--slate-200);
      border-radius: var(--radius-xl);
      padding: 1.5rem;
      box-shadow: 0 1px 4px rgba(0,0,0,0.04);
      margin-bottom: 2.5rem;
      align-items: center;
    }
    @media (min-width: 1024px) { .cta-strip { grid-template-columns: 1fr auto; padding: 2rem; } }
    .cta-strip h2 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
    .cta-strip p { margin-top: 0.5rem; color: var(--slate-600); font-size: 0.95rem; }

    /* ── SPECS TABLE ── */
    .specs-grid {
      display: grid;
      gap: 2.5rem;
      align-items: start;
    }
    @media (min-width: 1024px) { .specs-grid { grid-template-columns: 0.9fr 1.1fr; } }
    .specs-table {
      width: 100%;
      border-collapse: collapse;
      border-radius: var(--radius-xl);
      overflow: hidden;
      border: 1px solid var(--slate-200);
      background: var(--white);
      box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    }
    .specs-table td {
      padding: 1rem 1.5rem;
      font-size: 0.9rem;
      vertical-align: top;
    }
    .specs-table tr:nth-child(even) td { background: var(--slate-50); }
    .specs-table td:first-child { font-family: var(--font-display); font-weight: 600; color: var(--slate-900); width: 50%; }
    .specs-table td:last-child { color: var(--slate-600); }
    .notice-amber {
      background: #fffbeb;
      border: 1px solid #fde68a;
      border-radius: var(--radius-md);
      padding: 1.25rem;
      font-size: 0.875rem;
      line-height: 1.7;
      color: #92400e;
      margin-top: 1.5rem;
    }
    .ci-drawing {
      margin-top: 2rem;
      max-width: 420px;
    }
    .ci-drawing svg {
      width: 100%;
      height: auto;
      display: block;
    }

    /* ── ABOUT ── */
    .about-grid {
      display: grid;
      gap: 2.5rem;
      background: var(--white);
      border: 1px solid var(--slate-200);
      border-radius: var(--radius-xl);
      padding: 2rem;
      box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    }
    @media (min-width: 1024px) { .about-grid { grid-template-columns: 1fr 1fr; padding: 3rem; } }
    .about-text { font-size: 1.05rem; line-height: 1.85; color: var(--slate-600); }
    .about-text p + p { margin-top: 1rem; }

    /* ── CONTACT FORM ── */
    .contact-inner {
      max-width: 1280px;
      margin: 0 auto;
      padding: 4rem 2rem;
      display: grid;
      gap: 2.5rem;
      align-items: center;
    }
    @media (min-width: 1024px) { .contact-inner { grid-template-columns: 1.1fr 0.9fr; } }
    .contact-title { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.875rem, 4vw, 3rem); letter-spacing: -0.025em; line-height: 1.1; margin-top: 0.75rem; }
    .contact-desc { margin-top: 1.5rem; font-size: 1.05rem; line-height: 1.75; color: #e2e8f0; }
    .contact-form-card {
      background: var(--white);
      border-radius: var(--radius-xl);
      padding: 2rem;
      box-shadow: 0 20px 60px rgba(0,0,0,0.25);
      color: var(--slate-900);
    }
    .form-notice {
      background: #ecfdf5;
      border: 1px solid #a7f3d0;
      border-radius: var(--radius-md);
      padding: 1rem;
      font-size: 0.875rem;
      line-height: 1.6;
      color: #065f46;
      margin-bottom: 1.25rem;
    }
    .form-fields { display: flex; flex-direction: column; gap: 0.875rem; }
    .form-fields input,
    .form-fields textarea,
    .form-fields select {
      width: 100%;
      border: 1px solid var(--slate-300);
      border-radius: var(--radius-md);
      padding: 0.875rem 1rem;
      font-family: var(--font-body);
      font-size: 0.95rem;
      color: var(--slate-900);
      background: var(--white);
      outline: none;
      transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
    }
    .form-fields input:focus,
    .form-fields textarea:focus,
    .form-fields select:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 3px rgba(6,182,212,0.12);
    }
    .form-fields textarea { min-height: 120px; resize: vertical; }

    /* Inline validation states */
    .form-fields input.field-error,
    .form-fields textarea.field-error,
    .form-fields select.field-error {
      border-color: #ef4444;
      background: #fef2f2;
      box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
    }
    .form-fields input.field-error:focus,
    .form-fields textarea.field-error:focus {
      border-color: #ef4444;
      box-shadow: 0 0 0 3px rgba(239,68,68,0.18);
    }
    .form-fields input.field-error::placeholder,
    .form-fields textarea.field-error::placeholder {
      color: #f87171;
    }
    .form-fields input.field-valid,
    .form-fields textarea.field-valid {
      border-color: #22c55e;
    }
    .form-fields input.field-valid:focus,
    .form-fields textarea.field-valid:focus {
      border-color: #22c55e;
      box-shadow: 0 0 0 3px rgba(34,197,94,0.12);
    }

    /* Shake animation for invalid fields */
    @keyframes fieldShake {
      0%, 100% { transform: translateX(0); }
      15% { transform: translateX(-6px); }
      30% { transform: translateX(5px); }
      45% { transform: translateX(-4px); }
      60% { transform: translateX(3px); }
      75% { transform: translateX(-2px); }
    }
    .field-shake {
      animation: fieldShake 0.45s ease;
    }

    /* Honeypot — completamente escondido */
    .hp-field { display: none !important; visibility: hidden !important; position: absolute !important; left: -9999px !important; }

    .btn-submit {
      width: 100%;
      background: var(--slate-900);
      color: var(--white);
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 0.95rem;
      padding: 0.875rem 1.5rem;
      border-radius: var(--radius-md);
      border: none;
      cursor: pointer;
      transition: background 0.2s, transform 0.15s;
      margin-top: 0.25rem;
    }
    .btn-submit:hover { background: #1e293b; transform: translateY(-1px); }
    .btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

    /* ── Form Toast Notifications ── */
    .form-toast {
      display: none;
      align-items: center;
      gap: 0.75rem;
      margin-top: 1rem;
      padding: 1rem 1.25rem;
      border-radius: var(--radius-md);
      font-size: 0.9rem;
      line-height: 1.5;
      position: relative;
      overflow: hidden;
      animation: toastSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }
    .form-toast.is-visible {
      display: flex;
    }
    .form-toast.is-hiding {
      animation: toastSlideOut 0.3s ease forwards;
    }

    .form-toast-icon {
      flex-shrink: 0;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }
    .form-toast-content {
      flex: 1;
    }
    .form-toast-title {
      font-weight: 700;
      font-size: 0.85rem;
      margin-bottom: 0.15rem;
    }
    .form-toast-msg {
      font-size: 0.85rem;
      opacity: 0.85;
    }
    .form-toast-close {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border: none;
      background: rgba(0,0,0,0.06);
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      color: inherit;
      opacity: 0.5;
      transition: opacity 0.2s, background 0.2s;
    }
    .form-toast-close:hover {
      opacity: 1;
      background: rgba(0,0,0,0.1);
    }

    /* Auto-dismiss progress bar */
    .form-toast-progress {
      position: absolute;
      left: 0;
      bottom: 0;
      height: 3px;
      border-radius: 0 0 var(--radius-md) var(--radius-md);
      animation: toastProgress linear forwards;
    }

    /* Success variant */
    .form-toast--success {
      background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
      border: 1px solid #86efac;
      color: #14532d;
      box-shadow: 0 4px 16px rgba(34,197,94,0.15);
    }
    .form-toast--success .form-toast-icon {
      background: #22c55e;
      color: #fff;
    }
    .form-toast--success .form-toast-progress {
      background: linear-gradient(90deg, #22c55e, #16a34a);
    }

    /* Error variant */
    .form-toast--error {
      background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
      border: 1px solid #fca5a5;
      color: #7f1d1d;
      box-shadow: 0 4px 16px rgba(239,68,68,0.12);
    }
    .form-toast--error .form-toast-icon {
      background: #ef4444;
      color: #fff;
    }
    .form-toast--error .form-toast-progress {
      background: linear-gradient(90deg, #ef4444, #dc2626);
    }

    /* Warning variant (for rate-limit etc) */
    .form-toast--warning {
      background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
      border: 1px solid #fcd34d;
      color: #78350f;
      box-shadow: 0 4px 16px rgba(245,158,11,0.12);
    }
    .form-toast--warning .form-toast-icon {
      background: #f59e0b;
      color: #fff;
    }
    .form-toast--warning .form-toast-progress {
      background: linear-gradient(90deg, #f59e0b, #d97706);
    }

    @keyframes toastSlideIn {
      from { opacity: 0; transform: translateY(12px) scale(0.97); }
      to   { opacity: 1; transform: translateY(0) scale(1); }
    }
    @keyframes toastSlideOut {
      from { opacity: 1; transform: translateY(0) scale(1); }
      to   { opacity: 0; transform: translateY(-8px) scale(0.97); }
    }
    @keyframes toastProgress {
      from { width: 100%; }
      to   { width: 0%; }
    }

    /* ── ANIMATIONS ── */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(20px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .fade-up { animation: fadeUp 0.55s ease forwards; }
    .delay-1 { animation-delay: 0.1s; }
    .delay-2 { animation-delay: 0.2s; }
    .delay-3 { animation-delay: 0.35s; }

    /* Fallback: se animação não executar, conteúdo permanece visível */
    @media (prefers-reduced-motion: reduce) {
      .fade-up { animation: none; opacity: 1; transform: none; }
    }

    /* ── RESPONSIVE HELPERS ── */
    @media (max-width: 640px) {
      .hero-features { grid-template-columns: 1fr; }
    }

    /* ═══════════════════════════════════════════════════════════════
       WHATSAPP — botão flutuante, hero e formulário
       ═══════════════════════════════════════════════════════════════ */

    :root {
      --wa-green: #25d366;
      --wa-green-dark: #128c7e;
      --wa-green-deeper: #075e54;
    }

    /* Ícone do WhatsApp (SVG inline) */
    .wa-icon {
      width: 20px;
      height: 20px;
      flex-shrink: 0;
    }

    /* ── HERO: transforma btn-secondary em botão WhatsApp ── */
    .btn-whatsapp-hero {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      border: 1px solid #a7f3d0;
      background: #ecfdf5;
      color: var(--wa-green-deeper);
      font-weight: 600;
      font-size: 0.875rem;
      padding: 0.75rem 1.5rem;
      border-radius: var(--radius-md);
      text-decoration: none;
      transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    }
    .btn-whatsapp-hero:hover {
      background: #d1fae5;
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(37,211,102,0.2);
    }
    .btn-whatsapp-hero .wa-icon {
      color: var(--wa-green);
    }

    /* ── FORMULÁRIO: separador + botão verde ── */
    .form-divider {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin: 0.25rem 0;
      color: var(--slate-500);
      font-size: 0.8rem;
    }
    .form-divider::before,
    .form-divider::after {
      content: '';
      flex: 1;
      height: 1px;
      background: var(--slate-200);
    }
    .form-divider span {
      white-space: nowrap;
    }

    .btn-whatsapp-form {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.6rem;
      width: 100%;
      background: var(--wa-green);
      color: #fff;
      font-weight: 600;
      font-size: 0.95rem;
      padding: 0.875rem 1.5rem;
      border-radius: var(--radius-md);
      text-decoration: none;
      border: none;
      cursor: pointer;
      transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
      box-shadow: 0 2px 8px rgba(37,211,102,0.3);
    }
    .btn-whatsapp-form:hover {
      background: var(--wa-green-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(37,211,102,0.4);
    }
    .btn-whatsapp-form .wa-icon {
      width: 22px;
      height: 22px;
    }

    /* ── BOTÃO FLUTUANTE ── */
    .wa-float-wrap {
      position: fixed;
      bottom: 1.5rem;
      right: 1.5rem;
      z-index: 50;
      display: flex;
      align-items: center;
      gap: 0.75rem;
      pointer-events: none;
    }

    .wa-float-tooltip {
      background: #fff;
      border: 1px solid var(--slate-200);
      border-radius: 999px;
      padding: 0.5rem 1rem;
      font-size: 0.8rem;
      font-weight: 500;
      color: var(--slate-700);
      box-shadow: 0 4px 12px rgba(0,0,0,0.08);
      display: flex;
      align-items: center;
      gap: 0.5rem;
      opacity: 0;
      transform: translateX(10px);
      transition: opacity 0.3s, transform 0.3s;
      pointer-events: none;
      white-space: nowrap;
    }
    .wa-float-wrap.is-ready .wa-float-tooltip {
      opacity: 1;
      transform: translateX(0);
    }

    /* O status dot muda de cor conforme horário comercial */
    .wa-status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--slate-300);
      flex-shrink: 0;
    }
    .wa-float-wrap.is-online .wa-status-dot {
      background: var(--wa-green);
      box-shadow: 0 0 0 0 rgba(37,211,102,0.6);
      animation: waPulse 2s infinite;
    }
    .wa-float-wrap.is-offline .wa-status-dot {
      background: #fbbf24;
    }

    .wa-float-btn {
      position: relative;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: var(--wa-green);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px rgba(37,211,102,0.4);
      text-decoration: none;
      transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
      pointer-events: auto;
    }
    .wa-float-btn:hover {
      background: var(--wa-green-dark);
      transform: scale(1.08);
      box-shadow: 0 12px 32px rgba(37,211,102,0.5);
    }
    .wa-float-btn svg {
      width: 30px;
      height: 30px;
    }

    /* Pulse ring no botão flutuante (só no horário comercial) */
    .wa-badge-pulse {
      position: absolute;
      inset: 0;
      border-radius: 50%;
      border: 2px solid var(--wa-green);
      opacity: 0;
      pointer-events: none;
    }
    .wa-float-wrap.is-online .wa-badge-pulse {
      animation: waRingPulse 2.4s ease-out infinite;
    }

    @keyframes waPulse {
      0%   { box-shadow: 0 0 0 0   rgba(37,211,102,0.6); }
      70%  { box-shadow: 0 0 0 10px rgba(37,211,102,0);   }
      100% { box-shadow: 0 0 0 0   rgba(37,211,102,0);   }
    }
    @keyframes waRingPulse {
      0%   { opacity: 1; transform: scale(1);   }
      80%  { opacity: 0; transform: scale(1.6); }
      100% { opacity: 0; transform: scale(1.6); }
    }

    /* Mobile: tooltip esconde, só mostra o botão */
    @media (max-width: 640px) {
      .wa-float-wrap {
        bottom: 1rem;
        right: 1rem;
      }
      .wa-float-tooltip {
        display: none;
      }
      .wa-float-btn {
        width: 52px;
        height: 52px;
      }
      .wa-float-btn svg {
        width: 28px;
        height: 28px;
      }
    }

    /* Respeita redução de movimento */
    @media (prefers-reduced-motion: reduce) {
      .wa-float-wrap.is-online .wa-status-dot,
      .wa-float-wrap.is-online .wa-badge-pulse {
        animation: none;
      }
    }

    /* ═══════════════════════════════════════════════════════════════
       LOGO NA NAV
       ═══════════════════════════════════════════════════════════════ */

    .nav-logo-link {
      display: flex;
      align-items: center;
      text-decoration: none;
      flex-shrink: 0;
    }
    .nav-logo {
      height: 36px;
      width: auto;
      display: block;
    }

    /* Mobile: logo menor, esconde o tagline para dar espaço */
    @media (max-width: 640px) {
      .nav-logo { height: 30px; }
    }

    /* ═══════════════════════════════════════════════════════════════
       FOOTER
       ═══════════════════════════════════════════════════════════════ */

    .site-footer {
      background: #0f172a;
      color: #cbd5e1;
      border-top: 1px solid rgba(255,255,255,0.06);
    }

    .footer-inner {
      max-width: 1280px;
      margin: 0 auto;
      padding: 3rem 2rem 2rem;
      display: grid;
      gap: 2.5rem;
    }
    @media (min-width: 768px) {
      .footer-inner {
        grid-template-columns: 1.3fr 1fr;
        gap: 3rem;
      }
    }

    .footer-brand { max-width: 420px; }
    .footer-logo {
      height: 40px;
      width: auto;
      display: block;
      margin-bottom: 1rem;
      filter: brightness(0) invert(1); /* Torna logo branco em fundo escuro */
      opacity: 0.95;
    }
    .footer-tagline {
      font-size: 0.95rem;
      line-height: 1.7;
      color: #94a3b8;
    }

    .footer-links {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
    }
    .footer-col h4 {
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: #94a3b8;
      margin-bottom: 1rem;
    }
    .footer-col a {
      display: block;
      color: #e2e8f0;
      text-decoration: none;
      font-size: 0.9rem;
      padding: 0.35rem 0;
      transition: color 0.2s;
    }
    .footer-col a:hover {
      color: #22d3ee;
    }

    .footer-bottom {
      max-width: 1280px;
      margin: 0 auto;
      padding: 1.5rem 2rem 2rem;
      border-top: 1px solid rgba(255,255,255,0.06);
      font-size: 0.8rem;
      color: #64748b;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 0.5rem;
    }
    .footer-bottom p {
      margin: 0;
    }