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

    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        padding: 20px;
    }

    .demo-content {
        text-align: center;
        color: #fff;
        max-width: 600px;
        margin: auto;
    }

    .chat-avatar-big {
        width: 200px;
        height: 200px;
        border-radius: 50%;
        border: 3px solid #fff;
        object-fit: cover;
    }

    .demo-content h1 {
        font-size: 48px;
        margin-bottom: 20px;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    }

    .demo-content p {
        font-size: 20px;
        opacity: 0.9;
        line-height: 1.6;
    }

    /* ===== Carrossel "Nossos clientes" ===== */
    .clients {
        width: 100%;
        max-width: 900px;
        margin: 0 auto;
        padding: 10px 0 0;
        color: #fff;
        text-align: center;
    }

    .clients h2 {
        font-size: 18px;
        font-weight: 600;
        letter-spacing: 0.3px;
        margin-bottom: 10px;
        opacity: 0.95;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    }

    .carousel {
        position: relative;
        overflow: hidden;
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.10);
        border: 1px solid rgba(255, 255, 255, 0.18);
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
    }

    .track {
        display: flex;
        transition: transform 450ms ease;
        will-change: transform;
    }

    .slide {
        flex: 0 0 100%;
        padding: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .client-card {
        width: 100%;
        max-width: 520px;
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 14px 16px;
        border-radius: 14px;
        text-decoration: none;
        color: #fff;
        background: rgba(0, 0, 0, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.18);
        transition: transform 160ms ease, background 160ms ease;
    }

    .client-card:hover {
        transform: translateY(-2px);
        background: rgba(0, 0, 0, 0.18);
    }

    .client-logo {
        width: 52px;
        height: 52px;
        border-radius: 12px;
        background: #fff;
        object-fit: cover;
        flex: 0 0 auto;
    }

    .client-info {
        text-align: left;
        line-height: 1.2;
    }

    .client-name {
        font-weight: 700;
        font-size: 16px;
        margin-bottom: 4px;
    }

    .client-desc {
        font-size: 13px;
        opacity: 0.9;
    }

    .dots {
        display: flex;
        justify-content: center;
        gap: 8px;
        padding: 10px 0 12px;
    }

    .dot {
        width: 8px;
        height: 8px;
        border-radius: 99px;
        background: rgba(255, 255, 255, 0.35);
        border: 1px solid rgba(255, 255, 255, 0.35);
        cursor: pointer;
    }

    .dot.active {
        background: #fff;
        border-color: #fff;
    }

    @media (max-width: 520px) {
        .demo-content h1 {
            font-size: 38px;
        }

        .client-card {
            max-width: 100%;
        }
    }

    /* ===== Home SPA ===== */
    .home-spa {
        --paper: #f7f8fb;
        --surface: #ffffff;
        --ink: #182027;
        --muted: #5c6670;
        --line: #d9e0e7;
        --teal: #05766f;
        --coral: #d95745;
        --blue: #3869a6;
        --gold: #a66f08;
        --green: #507844;
        --charcoal: #202325;
        --shadow: 0 18px 46px rgba(24, 32, 39, 0.12);
        background: var(--paper);
        color: var(--ink);
        display: block;
        justify-content: initial;
        min-height: 100vh;
        overflow-x: hidden;
        padding: 0;
        scroll-behavior: smooth;
    }

    .home-spa img {
        max-width: 100%;
    }

    .home-spa a {
        color: inherit;
    }

    .home-spa a:focus-visible,
    .home-spa button:focus-visible {
        outline: 3px solid rgba(5, 118, 111, 0.36);
        outline-offset: 3px;
    }

    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 20;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 18px;
        padding: 14px 32px;
        color: #ffffff;
        transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
    }

    .site-header.is-scrolled {
        background: rgba(247, 248, 251, 0.94);
        border-bottom: 1px solid rgba(24, 32, 39, 0.1);
        box-shadow: 0 12px 32px rgba(24, 32, 39, 0.08);
        color: var(--ink);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }

    .brand,
    .main-nav,
    .header-action,
    .hero-actions,
    .hero-facts {
        display: flex;
        align-items: center;
    }

    .brand {
        gap: 10px;
        text-decoration: none;
        font-size: 18px;
        font-weight: 800;
        letter-spacing: 0;
        white-space: nowrap;
    }

    .brand-mark {
        width: 38px;
        height: 38px;
        border: 2px solid rgba(255, 255, 255, 0.72);
        border-radius: 50%;
        object-fit: cover;
    }

    .site-header.is-scrolled .brand-mark {
        border-color: rgba(24, 32, 39, 0.16);
    }

    .main-nav {
        gap: 4px;
        justify-content: center;
    }

    .main-nav a,
    .header-action {
        border-radius: 8px;
        font-size: 14px;
        font-weight: 700;
        letter-spacing: 0;
        padding: 10px 12px;
        text-decoration: none;
    }

    .main-nav a {
        color: rgba(255, 255, 255, 0.86);
    }

    .main-nav a:hover,
    .main-nav a.active {
        background: rgba(255, 255, 255, 0.16);
        color: #ffffff;
    }

    .site-header.is-scrolled .main-nav a {
        color: var(--muted);
    }

    .site-header.is-scrolled .main-nav a:hover,
    .site-header.is-scrolled .main-nav a.active {
        background: rgba(5, 118, 111, 0.1);
        color: var(--teal);
    }

    .header-action {
        background: rgba(255, 255, 255, 0.16);
        border: 1px solid rgba(255, 255, 255, 0.28);
        color: #ffffff;
    }

    .site-header.is-scrolled .header-action {
        background: var(--teal);
        border-color: var(--teal);
        color: #ffffff;
    }

    .iara-hero {
        position: relative;
        min-height: 74vh;
        display: flex;
        align-items: center;
        overflow: hidden;
        padding: 112px 32px 58px;
        color: #ffffff;
        background: var(--charcoal);
    }

    .hero-bg,
    .hero-overlay {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
    }

    .hero-bg {
        object-fit: cover;
        object-position: 70% 28%;
        transform: scale(1.02);
    }

    .hero-overlay {
        background: rgba(20, 26, 29, 0.68);
    }

    .hero-content {
        position: relative;
        z-index: 1;
        width: 100%;
        max-width: 920px;
        margin: 0 auto;
    }

    .eyebrow,
    .section-kicker {
        color: var(--teal);
        font-size: 13px;
        font-weight: 800;
        letter-spacing: 0;
        margin: 0 0 12px;
        text-transform: uppercase;
    }

    .iara-hero .eyebrow {
        color: #9df0df;
    }

    .hero-content h1 {
        font-size: 64px;
        line-height: 1.04;
        margin: 0 0 22px;
        max-width: 960px;
        text-shadow: 0 16px 44px rgba(0, 0, 0, 0.28);
    }

    .hero-copy {
        color: rgba(255, 255, 255, 0.92);
        font-size: 22px;
        line-height: 1.45;
        max-width: 740px;
        margin: 0;
    }

    .hero-actions {
        flex-wrap: wrap;
        gap: 12px;
        margin-top: 28px;
    }

    .home-spa .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 46px;
        border-radius: 8px;
        font-size: 15px;
        font-weight: 800;
        letter-spacing: 0;
        padding: 12px 18px;
        text-decoration: none;
        transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
    }

    .home-spa .btn:hover {
        transform: translateY(-2px);
    }

    .home-spa .btn-primary {
        background: var(--teal);
        border: 1px solid var(--teal);
        color: #ffffff;
    }

    .home-spa .btn-primary:hover {
        background: #04635e;
        border-color: #04635e;
    }

    .home-spa .btn-secondary {
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.34);
        color: #ffffff;
    }

    .home-spa .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.2);
    }

    .hero-facts {
        width: 100%;
        max-width: 820px;
        flex-wrap: wrap;
        gap: 0;
        margin-top: 36px;
        border-top: 1px solid rgba(255, 255, 255, 0.32);
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }

    .hero-facts div {
        min-width: 160px;
        flex: 1 1 160px;
        padding: 18px 18px 18px 0;
    }

    .hero-facts dt {
        font-size: 26px;
        font-weight: 900;
        line-height: 1;
        margin-bottom: 6px;
    }

    .hero-facts dd {
        color: rgba(255, 255, 255, 0.8);
        font-size: 14px;
        line-height: 1.35;
        margin: 0;
    }

    .section {
        width: 100%;
        padding: 88px 32px;
        scroll-margin-top: 90px;
    }

    .section-heading,
    .feature-grid,
    .process-list,
    .ops-section,
    .use-cases,
    .demo-section,
    .public-plan-matrix,
    .contracting-layout,
    .clients,
    .site-footer {
        max-width: 1160px;
        margin-left: auto;
        margin-right: auto;
    }

    .section-heading {
        margin-bottom: 36px;
    }

    .section-heading.compact {
        max-width: 820px;
        text-align: center;
    }

    .section-heading h2,
    .ops-copy h2,
    .demo-copy h2 {
        color: var(--ink);
        font-size: 42px;
        line-height: 1.08;
        margin: 0;
    }

    .section-heading p:not(.section-kicker),
    .ops-copy p:not(.section-kicker),
    .demo-copy p:not(.section-kicker) {
        color: var(--muted);
        font-size: 18px;
        line-height: 1.65;
        max-width: 820px;
        margin: 16px 0 0;
    }

    .section-heading.compact p:not(.section-kicker) {
        margin-left: auto;
        margin-right: auto;
    }

    .feature-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 16px;
    }

    .plans-section {
        background: #ffffff;
        box-shadow: 0 0 0 100vmax #ffffff;
        clip-path: inset(0 -100vmax);
    }

    .plan-grid {
        max-width: 1160px;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 16px;
        margin: 0 auto;
    }

    .feature-card,
    .case-card,
    .ops-grid article,
    .plan-card {
        min-height: 230px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: var(--surface);
        padding: 24px;
        box-shadow: 0 8px 24px rgba(24, 32, 39, 0.06);
    }

    .feature-card {
        border-top: 5px solid var(--teal);
    }

    .plan-card {
        position: relative;
        min-height: 360px;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        border-top: 5px solid var(--teal);
    }

    .plan-icon {
        aspect-ratio: 1;
        display: block;
        height: 58px;
        object-fit: contain;
        position: absolute;
        right: 20px;
        top: 18px;
        width: 58px;
        z-index: 1;
    }

    .plan-live {
        border-top-color: var(--blue);
    }

    .plan-action {
        border-top-color: var(--coral);
    }

    .plan-badge {
        align-self: flex-start;
        border: 1px solid rgba(5, 118, 111, 0.18);
        border-radius: 8px;
        color: var(--teal);
        font-size: 13px;
        font-weight: 900;
        line-height: 1;
        margin-bottom: 26px;
        padding: 8px 10px;
        text-transform: uppercase;
    }

    .plan-live .plan-badge {
        border-color: rgba(56, 105, 166, 0.2);
        color: var(--blue);
    }

    .plan-action .plan-badge {
        border-color: rgba(217, 87, 69, 0.22);
        color: var(--coral);
    }

    .feature-card.accent-coral {
        border-top-color: var(--coral);
    }

    .feature-card.accent-blue {
        border-top-color: var(--blue);
    }

    .feature-card.accent-gold {
        border-top-color: var(--gold);
    }

    .feature-card.accent-green {
        border-top-color: var(--green);
    }

    .feature-card.accent-ink {
        border-top-color: var(--charcoal);
    }

    .feature-index {
        color: var(--muted);
        display: inline-block;
        font-size: 13px;
        font-weight: 900;
        margin-bottom: 28px;
    }

    .feature-card h3,
    .case-card h3,
    .ops-grid h3,
    .process-item h3,
    .plan-card h3 {
        color: var(--ink);
        font-size: 20px;
        line-height: 1.18;
        margin: 0 0 12px;
    }

    .feature-card p,
    .case-card p,
    .ops-grid p,
    .process-item p,
    .plan-card p {
        color: var(--muted);
        font-size: 15px;
        line-height: 1.58;
        margin: 0;
    }

    .plan-list {
        display: grid;
        gap: 10px;
        list-style: none;
        margin: auto 0 0;
        padding: 24px 0 0;
    }

    .plan-list li {
        position: relative;
        color: var(--ink);
        font-size: 14px;
        font-weight: 800;
        line-height: 1.35;
        padding-left: 18px;
    }

    .plan-list li::before {
        content: "";
        position: absolute;
        left: 0;
        top: 0.55em;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--teal);
    }

    .plan-live .plan-list li::before {
        background: var(--blue);
    }

    .plan-action .plan-list li::before {
        background: var(--coral);
    }

    .plan-demo-link {
        align-items: center;
        align-self: flex-start;
        border: 1px solid rgba(5, 118, 111, 0.18);
        border-radius: 8px;
        color: var(--teal);
        display: inline-flex;
        font-size: 14px;
        font-weight: 900;
        line-height: 1.2;
        margin-top: 22px;
        padding: 10px 12px;
        text-decoration: none;
        transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
    }

    .plan-demo-link:hover {
        background: rgba(5, 118, 111, 0.08);
        border-color: rgba(5, 118, 111, 0.34);
        transform: translateY(-1px);
    }

    .plan-live .plan-demo-link {
        border-color: rgba(56, 105, 166, 0.22);
        color: var(--blue);
    }

    .plan-live .plan-demo-link:hover {
        background: rgba(56, 105, 166, 0.08);
        border-color: rgba(56, 105, 166, 0.38);
    }

    .plan-action .plan-demo-link {
        border-color: rgba(217, 87, 69, 0.24);
        color: var(--coral);
    }

    .plan-action .plan-demo-link:hover {
        background: rgba(217, 87, 69, 0.08);
        border-color: rgba(217, 87, 69, 0.4);
    }

    .public-plan-matrix {
        border: 1px solid var(--line);
        border-radius: 8px;
        background: var(--surface);
        box-shadow: 0 8px 24px rgba(24, 32, 39, 0.06);
        margin-top: 18px;
        overflow: hidden;
    }

    .public-plan-matrix-head {
        border-bottom: 1px solid var(--line);
        padding: 22px 24px 18px;
    }

    .public-plan-matrix-head h3 {
        color: var(--ink);
        font-size: 22px;
        font-weight: 900;
        line-height: 1.1;
        margin: 0;
    }

    .public-plan-matrix-head p {
        color: var(--muted);
        font-size: 14px;
        font-weight: 600;
        line-height: 1.45;
        margin: 8px 0 0;
    }

    .public-plan-matrix-wrap {
        overflow-x: auto;
    }

    .public-plan-matrix-table {
        border-collapse: collapse;
        min-width: 860px;
        width: 100%;
    }

    .public-plan-matrix-table th,
    .public-plan-matrix-table td {
        border-bottom: 1px solid var(--line);
        padding: 16px 24px;
        text-align: left;
        vertical-align: middle;
    }

    .public-plan-matrix-table tr:last-child th,
    .public-plan-matrix-table tr:last-child td {
        border-bottom: 0;
    }

    .public-plan-matrix-table thead th {
        color: var(--muted);
        font-size: 12px;
        font-weight: 900;
        letter-spacing: 0;
        text-transform: uppercase;
    }

    .public-plan-matrix-table th:first-child {
        min-width: 300px;
        width: 36%;
    }

    .public-plan-matrix-table tbody th {
        text-transform: none;
    }

    .public-plan-matrix-table tbody th strong,
    .public-plan-matrix-table tbody th span {
        display: block;
    }

    .public-plan-matrix-table tbody th strong {
        color: var(--ink);
        font-size: 15px;
        font-weight: 900;
        line-height: 1.25;
    }

    .public-plan-matrix-table tbody th span {
        color: var(--muted);
        font-size: 13px;
        font-weight: 700;
        line-height: 1.4;
        margin-top: 4px;
    }

    .public-plan-feature-status {
        align-items: center;
        border-radius: 999px;
        display: inline-flex;
        font-size: 13px;
        font-weight: 900;
        gap: 6px;
        line-height: 1;
        padding: 7px 10px;
        white-space: nowrap;
    }

    .public-plan-feature-status.is-yes {
        background: rgba(80, 120, 68, 0.12);
        color: var(--green);
    }

    .public-plan-feature-status.is-no {
        background: rgba(92, 102, 112, 0.12);
        color: var(--muted);
    }

    .public-plan-feature-status.is-neutral {
        background: rgba(56, 105, 166, 0.12);
        color: var(--blue);
    }

    .public-plan-cta {
        display: flex;
        margin: 24px auto 0;
        max-width: 1160px;
    }

    .public-plan-cta .btn {
        width: 100%;
    }

    .process-section {
        background: #eef4f5;
    }

    .process-list {
        counter-reset: item;
        display: grid;
        gap: 0;
        border-top: 1px solid rgba(24, 32, 39, 0.14);
    }

    .process-item {
        display: grid;
        grid-template-columns: 72px minmax(0, 1fr);
        gap: 22px;
        align-items: start;
        border-bottom: 1px solid rgba(24, 32, 39, 0.14);
        padding: 24px 0;
    }

    .process-item span {
        width: 46px;
        height: 46px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: var(--ink);
        color: #ffffff;
        font-size: 16px;
        font-weight: 900;
    }

    .ops-section {
        display: grid;
        grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
        gap: 42px;
        align-items: start;
        background: var(--charcoal);
        box-shadow: 0 0 0 100vmax var(--charcoal);
        clip-path: inset(0 -100vmax);
    }

    .ops-copy {
        max-width: 480px;
    }

    .ops-copy h2,
    .ops-copy p:not(.section-kicker) {
        color: #ffffff;
    }

    .ops-copy p:not(.section-kicker) {
        color: rgba(255, 255, 255, 0.74);
    }

    .ops-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .ops-grid article {
        min-height: 180px;
        background: rgba(255, 255, 255, 0.07);
        border-color: rgba(255, 255, 255, 0.14);
        box-shadow: none;
    }

    .ops-grid h3 {
        color: #ffffff;
    }

    .ops-grid p {
        color: rgba(255, 255, 255, 0.72);
    }

    .case-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 16px;
    }

    .case-card {
        min-height: 220px;
    }

    .case-label {
        color: var(--teal);
        display: inline-block;
        font-size: 12px;
        font-weight: 900;
        line-height: 1;
        margin-bottom: 18px;
        text-transform: uppercase;
    }

    .demo-section {
        display: grid;
        grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.72fr);
        gap: 42px;
        align-items: center;
        background: #ffffff;
        box-shadow: 0 0 0 100vmax #ffffff;
        clip-path: inset(0 -100vmax);
    }

    .demo-copy .btn {
        margin-top: 24px;
    }

    .conversation-preview {
        display: grid;
        gap: 18px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #f9fbfc;
        padding: 20px;
        box-shadow: var(--shadow);
    }

    .voice-preview-header {
        display: flex;
        align-items: center;
        gap: 10px;
        color: var(--ink);
        font-size: 14px;
        font-weight: 800;
    }

    .voice-preview-header strong {
        margin-left: auto;
        border: 1px solid rgba(5, 118, 111, 0.18);
        border-radius: 8px;
        color: var(--teal);
        font-size: 12px;
        line-height: 1;
        padding: 7px 9px;
        text-transform: uppercase;
    }

    .live-dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--teal);
        box-shadow: 0 0 0 6px rgba(5, 118, 111, 0.12);
    }

    .voice-stage {
        display: grid;
        justify-items: center;
        gap: 18px;
        border: 1px solid rgba(217, 224, 231, 0.9);
        border-radius: 8px;
        background: #ffffff;
        padding: 28px 18px;
    }

    .voice-mic {
        position: relative;
        width: 88px;
        height: 88px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: var(--teal);
        box-shadow:
            0 16px 34px rgba(5, 118, 111, 0.22),
            0 0 0 12px rgba(5, 118, 111, 0.1);
    }

    .mic-shape {
        position: relative;
        width: 22px;
        height: 34px;
        border: 3px solid #ffffff;
        border-radius: 16px;
    }

    .mic-shape::before {
        content: "";
        position: absolute;
        left: 50%;
        bottom: -12px;
        width: 34px;
        height: 22px;
        border: 3px solid #ffffff;
        border-top: 0;
        border-radius: 0 0 18px 18px;
        transform: translateX(-50%);
    }

    .mic-shape::after {
        content: "";
        position: absolute;
        left: 50%;
        bottom: -22px;
        width: 3px;
        height: 12px;
        background: #ffffff;
        border-radius: 3px;
        transform: translateX(-50%);
    }

    .waveform {
        width: min(280px, 100%);
        height: 64px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 7px;
    }

    .waveform span {
        width: 8px;
        height: var(--level);
        min-height: 14px;
        border-radius: 8px;
        background: linear-gradient(180deg, var(--teal), var(--blue));
    }

    .voice-stage p {
        color: var(--ink);
        font-size: 17px;
        font-weight: 800;
        line-height: 1.35;
        margin: 0;
        max-width: 340px;
        text-align: center;
    }

    .voice-signals {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 10px;
    }

    .voice-signals div {
        min-height: 104px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #ffffff;
        padding: 14px;
    }

    .voice-signals strong,
    .voice-signals span {
        display: block;
    }

    .voice-signals strong {
        color: var(--ink);
        font-size: 14px;
        margin-bottom: 7px;
    }

    .voice-signals span {
        color: var(--muted);
        font-size: 13px;
        line-height: 1.35;
    }

    .home-spa .clients {
        color: var(--ink);
        max-width: none;
        padding-top: 88px;
        text-align: initial;
    }

    .home-spa .clients .section-heading {
        max-width: 820px;
    }

    .home-spa .carousel {
        max-width: 860px;
        margin: 0 auto;
        overflow: hidden;
        border: 0;
        border-radius: 0;
        background: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .home-spa .track {
        display: flex;
        transition: transform 450ms ease;
        will-change: transform;
    }

    .home-spa .slide {
        flex: 0 0 100%;
        padding: 4px;
    }

    .home-spa .client-card {
        width: 100%;
        max-width: none;
        min-height: 126px;
        display: flex;
        align-items: center;
        gap: 18px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #ffffff;
        color: var(--ink);
        padding: 22px;
        text-decoration: none;
        box-shadow: 0 8px 24px rgba(24, 32, 39, 0.06);
        transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
    }

    .home-spa .client-card:hover {
        transform: translateY(-2px);
        border-color: rgba(5, 118, 111, 0.34);
        box-shadow: var(--shadow);
        background: #ffffff;
    }

    .home-spa .client-logo {
        width: 74px;
        height: 74px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #ffffff;
        object-fit: contain;
        padding: 8px;
        flex: 0 0 auto;
    }

    .home-spa .client-info {
        text-align: left;
    }

    .home-spa .client-name {
        color: var(--ink);
        font-size: 20px;
        font-weight: 900;
        line-height: 1.2;
        margin-bottom: 6px;
    }

    .home-spa .client-desc {
        color: var(--muted);
        font-size: 15px;
        line-height: 1.45;
        opacity: 1;
    }

    .home-spa .dots {
        display: flex;
        justify-content: center;
        gap: 8px;
        padding: 18px 0 0;
    }

    .home-spa .dot {
        width: 10px;
        height: 10px;
        border: 1px solid rgba(24, 32, 39, 0.28);
        border-radius: 50%;
        background: transparent;
        cursor: pointer;
    }

    .home-spa .dot.active {
        background: var(--teal);
        border-color: var(--teal);
    }

    .site-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 18px;
        border-top: 1px solid var(--line);
        color: var(--muted);
        padding: 28px 32px 42px;
    }

    .site-footer div {
        display: grid;
        gap: 4px;
    }

    .site-footer strong {
        color: var(--ink);
        font-size: 18px;
    }

    .site-footer a {
        color: var(--teal);
        font-weight: 800;
        text-decoration: none;
    }

    @media (max-width: 980px) {
        .feature-grid,
        .case-grid,
        .ops-grid,
        .plan-grid {
            grid-template-columns: repeat(2, minmax(0, 1fr));
        }

        .ops-section,
        .demo-section {
            grid-template-columns: 1fr;
        }

        .ops-copy {
            max-width: 760px;
        }
    }

    @media (max-width: 760px) {
        .site-header {
            flex-wrap: wrap;
            gap: 8px 14px;
            padding: 10px 16px;
        }

        .brand {
            font-size: 17px;
        }

        .brand-mark {
            width: 34px;
            height: 34px;
        }

        .main-nav {
            width: 100%;
            justify-content: flex-start;
            order: 3;
            overflow-x: auto;
            padding-bottom: 2px;
        }

        .main-nav a,
        .header-action {
            font-size: 13px;
            padding: 8px 10px;
        }

        .iara-hero {
            min-height: 68vh;
            padding: 132px 18px 42px;
        }

        .hero-bg {
            object-position: 64% 28%;
        }

        .hero-content h1 {
            font-size: 42px;
            line-height: 1.08;
        }

        .hero-copy {
            font-size: 18px;
        }

        .hero-facts {
            margin-top: 28px;
        }

        .hero-facts div {
            flex-basis: 50%;
            min-width: 140px;
            padding: 14px 14px 14px 0;
        }

        .section {
            padding: 64px 18px;
            scroll-margin-top: 120px;
        }

        .section-heading h2,
        .ops-copy h2,
        .demo-copy h2 {
            font-size: 31px;
        }

        .section-heading p:not(.section-kicker),
        .ops-copy p:not(.section-kicker),
        .demo-copy p:not(.section-kicker) {
            font-size: 16px;
        }

        .feature-grid,
        .case-grid,
        .ops-grid,
        .plan-grid {
            grid-template-columns: 1fr;
        }

        .feature-card,
        .case-card,
        .ops-grid article,
        .plan-card {
            min-height: auto;
            padding: 20px;
        }

        .process-item {
            grid-template-columns: 48px minmax(0, 1fr);
            gap: 16px;
        }

        .process-item span {
            width: 38px;
            height: 38px;
        }

        .demo-section {
            grid-template-columns: 1fr;
        }

        .conversation-preview {
            padding: 14px;
        }

        .voice-signals {
            grid-template-columns: 1fr;
        }

        .voice-signals div {
            min-height: auto;
        }

        .home-spa .client-card {
            align-items: flex-start;
            min-height: 150px;
            padding: 18px;
        }

        .home-spa .client-logo {
            width: 58px;
            height: 58px;
        }

        .site-footer {
            align-items: flex-start;
            flex-direction: column;
            padding-left: 18px;
            padding-right: 18px;
        }
    }

    @media (max-width: 430px) {
        .main-nav {
            gap: 2px;
        }

        .main-nav a {
            font-size: 12px;
            padding-left: 7px;
            padding-right: 7px;
        }

        .hero-actions {
            align-items: stretch;
            flex-direction: column;
        }

        .home-spa .btn {
            width: 100%;
        }

        .hero-facts div {
            flex-basis: 100%;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        .home-spa,
        .home-spa *,
        .home-spa *::before,
        .home-spa *::after {
            scroll-behavior: auto !important;
            transition-duration: 0.01ms !important;
            animation-duration: 0.01ms !important;
        }
    }

    /* ===== Trial público ===== */
    .trial-signup-page {
        --paper: #f7f8fb;
        --surface: #ffffff;
        --ink: #182027;
        --muted: #5c6670;
        --line: #d9e0e7;
        --teal: #05766f;
        --teal-soft: #e8f3f1;
        background: #101413;
        color: var(--ink);
        display: block;
        justify-content: initial;
        min-height: 100vh;
        overflow-x: hidden;
        padding: 0;
    }

    .trial-site-header {
        align-items: center;
        background: linear-gradient(180deg, rgba(16, 20, 19, 0.72), rgba(16, 20, 19, 0));
        border-bottom: 0;
        display: flex;
        gap: 18px;
        justify-content: space-between;
        min-height: 72px;
        padding: 14px clamp(18px, 4vw, 52px);
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 10;
    }

    .trial-brand,
    .trial-header-link {
        align-items: center;
        color: #ffffff;
        display: inline-flex;
        font-weight: 800;
        gap: 10px;
        text-decoration: none;
    }

    .trial-brand-mark {
        background: #fff;
        border: 1px solid rgba(24, 32, 39, 0.1);
        border-radius: 50%;
        height: 42px;
        object-fit: cover;
        width: 42px;
    }

    .trial-header-link {
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.32);
        border-radius: 8px;
        color: #ffffff;
        min-height: 42px;
        padding: 0 14px;
    }

    .trial-main {
        align-items: center;
        display: grid;
        gap: clamp(28px, 5vw, 72px);
        grid-template-columns: minmax(0, 0.9fr) minmax(360px, 560px);
        min-height: 100vh;
        overflow: hidden;
        padding: clamp(96px, 10vw, 132px) clamp(18px, 6vw, 92px) clamp(28px, 6vw, 80px);
        position: relative;
    }

    .trial-bg {
        height: 100%;
        inset: 0;
        object-fit: cover;
        object-position: center 28%;
        position: absolute;
        width: 100%;
        z-index: 0;
    }

    .trial-bg-overlay {
        background:
            radial-gradient(circle at 50% 42%, rgba(16, 20, 19, 0.18), rgba(16, 20, 19, 0.72) 58%, rgba(16, 20, 19, 0.9) 100%),
            linear-gradient(90deg, rgba(16, 20, 19, 0.74), rgba(16, 20, 19, 0.3) 48%, rgba(16, 20, 19, 0.82));
        inset: 0;
        position: absolute;
        z-index: 0;
    }

    .trial-copy,
    .trial-form-panel {
        position: relative;
        z-index: 1;
    }

    .trial-copy {
        max-width: 680px;
    }

    .trial-title-group {
        align-items: center;
        display: flex;
        gap: clamp(18px, 4vw, 34px);
    }

    .trial-title-group > div {
        min-width: 0;
    }

    .trial-copy h1 {
        color: #ffffff;
        font-size: clamp(2.2rem, 6vw, 5.2rem);
        font-weight: 900;
        line-height: 0.96;
        margin: 10px 0 18px;
    }

    .trial-copy p {
        color: rgba(255, 255, 255, 0.84);
        font-size: 1.08rem;
        line-height: 1.75;
        max-width: 620px;
    }

    .trial-facts {
        display: grid;
        gap: 12px;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        margin: 28px 0 0;
    }

    .trial-facts div {
        background: rgba(255, 255, 255, 0.09);
        border: 1px solid rgba(255, 255, 255, 0.18);
        border-radius: 8px;
        color: #ffffff;
        min-height: 96px;
        padding: 14px;
    }

    .trial-facts dt {
        color: #ffffff;
        font-size: 1.28rem;
        font-weight: 900;
    }

    .trial-facts dd {
        color: rgba(255, 255, 255, 0.78);
        font-size: 0.88rem;
        margin: 6px 0 0;
    }

    .trial-form-panel {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 8px;
        box-shadow: 0 18px 46px rgba(24, 32, 39, 0.1);
        padding: clamp(22px, 4vw, 34px);
    }

    .trial-form-heading h2 {
        font-size: 1.45rem;
        font-weight: 900;
        margin: 0;
    }

    .trial-form-heading p {
        color: var(--muted);
        margin: 6px 0 0;
    }

    .trial-form {
        margin-top: 22px;
    }

    .trial-form-grid {
        display: grid;
        gap: 16px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .trial-field-wide {
        grid-column: 1 / -1;
    }

    .trial-field label,
    .trial-check {
        color: var(--ink);
        font-size: 0.88rem;
        font-weight: 800;
    }

    .trial-field input {
        background: #fff;
        border: 1px solid #cfd8e3;
        border-radius: 8px;
        color: var(--ink);
        display: block;
        font: inherit;
        min-height: 46px;
        margin-top: 7px;
        padding: 0 12px;
        width: 100%;
    }

    .trial-field input:focus {
        border-color: var(--teal);
        box-shadow: 0 0 0 3px rgba(5, 118, 111, 0.14);
        outline: none;
    }

    .trial-field span,
    .trial-check-error {
        color: #b91c1c;
        display: block;
        font-size: 0.82rem;
        font-weight: 700;
        margin: 7px 0 0;
    }

    .trial-form-errors {
        background: #fff0f0;
        border: 1px solid #fecaca;
        border-radius: 8px;
        color: #b91c1c;
        font-weight: 700;
        margin-top: 18px;
        padding: 12px 14px;
    }

    .trial-form-errors p {
        margin: 0;
    }

    .trial-check {
        align-items: flex-start;
        display: flex;
        gap: 10px;
        line-height: 1.45;
        margin-top: 18px;
    }

    .trial-check input {
        flex: 0 0 auto;
        height: 18px;
        margin-top: 2px;
        width: 18px;
    }

    .trial-submit {
        align-items: center;
        background: var(--teal);
        border: 0;
        border-radius: 8px;
        color: #fff;
        display: inline-flex;
        font: inherit;
        font-weight: 900;
        justify-content: center;
        margin-top: 22px;
        min-height: 50px;
        padding: 0 18px;
        width: 100%;
    }

    .trial-submit:hover {
        background: #04655f;
    }

    @media (max-width: 960px) {
        .trial-main {
            align-items: stretch;
            grid-template-columns: 1fr;
        }

        .trial-copy {
            max-width: none;
        }

        .trial-bg {
            object-position: center top;
        }
    }

    @media (max-width: 620px) {
        .trial-site-header {
            min-height: 64px;
            padding-inline: 14px;
        }

        .trial-main {
            padding-inline: 14px;
        }

        .trial-form-grid,
        .trial-facts {
            grid-template-columns: 1fr;
        }

        .trial-title-group {
            align-items: flex-start;
            flex-direction: column;
            gap: 12px;
        }

    }