/* =========================================================================
   ORIGIN HUB — Design System
   Identidade derivada da logo: laranja sobre base clara (#dfdfdf).
   Direção: claro, minimalista, muito respiro, pouco ornamento.
   Estrutura: 1) tokens  2) base  3) layout  4) componentes  5) seções
              6) responsivo  7) movimento
   ========================================================================= */

/* =======================================================================
   1. TOKENS
   ======================================================================= */
:root {
    /* Marca — laranja extraído da logo.png (#ff5214) */
    --oh-orange: #ff5214;
    --oh-orange-bright: #ff6a2b;
    --oh-orange-deep: #d93c05;   /* superfícies sólidas com texto branco (AA) */
    --oh-orange-darker: #b8300a; /* hover das superfícies sólidas             */
    --oh-orange-text: #a8330b;   /* laranja legível como texto sobre o claro  */
    --oh-on-orange: #ffffff;

    --oh-orange-04: rgba(255, 82, 20, 0.04);
    --oh-orange-08: rgba(255, 82, 20, 0.08);
    --oh-orange-14: rgba(255, 82, 20, 0.14);
    --oh-orange-28: rgba(255, 82, 20, 0.28);

    /* Superfícies — base clara do site */
    --oh-bg: #dfdfdf;
    --oh-bg-alt: #f3f2f1;
    --oh-surface: #ffffff;
    --oh-surface-2: #fafaf9;
    --oh-surface-3: #f0efed;
    --oh-border: rgba(21, 23, 27, 0.1);
    --oh-border-strong: rgba(21, 23, 27, 0.2);

    /* Texto */
    --oh-text: #15171b;
    --oh-text-muted: #4e535b;
    --oh-text-dim: #5f636b;

    /* Tipografia */
    --oh-font-display: 'Space Grotesk', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --oh-font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;

    /* Forma */
    --oh-radius-sm: 10px;
    --oh-radius: 16px;
    --oh-radius-lg: 22px;
    --oh-radius-pill: 999px;

    /* Profundidade — sombras discretas, nunca brilho */
    --oh-shadow-sm: 0 1px 2px rgba(21, 23, 27, 0.05);
    --oh-shadow: 0 1px 2px rgba(21, 23, 27, 0.04), 0 18px 40px -28px rgba(21, 23, 27, 0.35);
    --oh-shadow-lift: 0 2px 4px rgba(21, 23, 27, 0.05), 0 26px 50px -26px rgba(21, 23, 27, 0.32);

    /* Ritmo — o respiro é o que sustenta o minimalismo */
    --oh-section-y: clamp(4.75rem, 9vw, 8.5rem);
    --oh-gutter: clamp(1.25rem, 4vw, 2rem);

    /* Movimento */
    --oh-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --oh-transition: 0.32s var(--oh-ease);
}

/* Alinha os componentes nativos do Bootstrap ao tema da Origin Hub */
[data-bs-theme='light'] {
    --bs-body-bg: var(--oh-bg);
    --bs-body-color: var(--oh-text-muted);
    --bs-body-font-family: var(--oh-font-body);
    --bs-emphasis-color: var(--oh-text);
    --bs-border-color: var(--oh-border);
    --bs-primary: var(--oh-orange-deep);
    --bs-primary-rgb: 217, 60, 5;
    --bs-link-color: var(--oh-orange-text);
    --bs-link-hover-color: var(--oh-orange-darker);
    --bs-link-color-rgb: 168, 51, 11;
    --bs-heading-color: var(--oh-text);
}

/* =======================================================================
   2. BASE
   ======================================================================= */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--oh-bg);
    color: var(--oh-text-muted);
    font-family: var(--oh-font-body);
    font-size: 1rem;
    line-height: 1.7;
    letter-spacing: -0.005em;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--oh-font-display);
    color: var(--oh-text);
    font-weight: 600;
    line-height: 1.14;
    letter-spacing: -0.028em;
    margin: 0 0 1rem;
    text-wrap: balance;
}

p {
    margin: 0 0 1rem;
    text-wrap: pretty;
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: var(--oh-orange-text);
    text-decoration: none;
    transition: color var(--oh-transition);
}

a:hover {
    color: var(--oh-orange-darker);
}

img,
svg {
    max-width: 100%;
    height: auto;
}

ul,
ol {
    margin: 0;
    padding: 0;
}

strong,
b {
    color: var(--oh-text);
    font-weight: 600;
}

::selection {
    background: var(--oh-orange);
    color: #fff;
}

:focus-visible {
    outline: 2px solid var(--oh-orange-deep);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Escala tipográfica fluida */
.oh-display-1 {
    font-size: clamp(2.4rem, 6.2vw, 4.5rem);
    line-height: 1.03;
    letter-spacing: -0.042em;
    font-weight: 600;
}

.oh-display-2 {
    font-size: clamp(1.95rem, 4.4vw, 3.15rem);
    line-height: 1.08;
    letter-spacing: -0.036em;
    font-weight: 600;
}

.oh-display-3 {
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    line-height: 1.18;
    letter-spacing: -0.028em;
    font-weight: 600;
}

.oh-lead {
    font-size: clamp(1.03rem, 1.5vw, 1.18rem);
    line-height: 1.7;
    color: var(--oh-text-muted);
}

.oh-text-accent {
    color: var(--oh-orange-text);
}

.oh-text-strong {
    color: var(--oh-text);
}

.oh-text-dim {
    color: var(--oh-text-dim);
}

/* Palavra em destaque com traço de marca sob o texto */
.oh-underline {
    position: relative;
    color: var(--oh-text);
    white-space: nowrap;
}

.oh-underline::after {
    content: '';
    position: absolute;
    left: -0.06em;
    right: -0.06em;
    bottom: 0.04em;
    height: 0.3em;
    background: var(--oh-orange-28);
    border-radius: 1px;
    z-index: -1;
}

/* =======================================================================
   3. LAYOUT
   ======================================================================= */
.oh-container {
    width: 100%;
    max-width: 1180px;
    margin-inline: auto;
    padding-inline: var(--oh-gutter);
}

.oh-container--narrow {
    max-width: 860px;
}

.oh-section {
    position: relative;
    padding-block: var(--oh-section-y);
    background: var(--oh-bg);
}

.oh-section--alt {
    background: var(--oh-bg-alt);
}

.oh-section--bordered {
    border-top: 1px solid var(--oh-border);
}

.oh-section--tight {
    padding-block: clamp(3rem, 5.5vw, 4.75rem);
}

.oh-section > .oh-container {
    position: relative;
    z-index: 1;
}

/* =======================================================================
   4. COMPONENTES
   ======================================================================= */

/* ---- 4.1 Eyebrow / rótulo de seção ---- */
.oh-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--oh-font-body);
    font-size: 0.73rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--oh-orange-text);
    margin-bottom: 1.1rem;
}

.oh-eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--oh-orange);
    flex: none;
}

.oh-eyebrow--center {
    justify-content: center;
}

.oh-eyebrow--center::before {
    display: none;
}

.oh-eyebrow--muted {
    color: var(--oh-text-dim);
}

.oh-eyebrow--muted::before {
    background: var(--oh-text-dim);
}

/* ---- 4.2 Cabeçalho de seção ---- */
.oh-section-head {
    max-width: 720px;
    margin-bottom: clamp(2.75rem, 5vw, 4rem);
}

.oh-section-head--center {
    margin-inline: auto;
    text-align: center;
}

.oh-section-head--center .oh-eyebrow::before {
    display: none;
}

.oh-section-head p {
    margin-top: 1.1rem;
    margin-bottom: 0;
}

/* ---- 4.3 Botões ---- */
.oh-btn {
    --oh-btn-bg: transparent;
    --oh-btn-color: var(--oh-text);
    --oh-btn-border: var(--oh-border-strong);
    --oh-btn-shadow: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    min-height: 50px;
    padding: 0.8rem 1.55rem;
    border: 1px solid var(--oh-btn-border);
    border-radius: var(--oh-radius-pill);
    background: var(--oh-btn-bg);
    color: var(--oh-btn-color);
    box-shadow: var(--oh-btn-shadow);
    font-family: var(--oh-font-display);
    font-size: 0.94rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: 1.2;
    text-align: center;
    white-space: nowrap;
    cursor: pointer;
    transition:
        transform var(--oh-transition),
        box-shadow var(--oh-transition),
        background-color var(--oh-transition),
        border-color var(--oh-transition),
        color var(--oh-transition);
}

.oh-btn:hover {
    transform: translateY(-2px);
    color: var(--oh-btn-color);
}

.oh-btn:active {
    transform: translateY(0);
}

.oh-btn svg {
    flex: none;
    transition: transform var(--oh-transition);
}

.oh-btn:hover svg.oh-btn__arrow {
    transform: translateX(4px);
}

.oh-btn--primary {
    --oh-btn-bg: var(--oh-orange-deep);
    --oh-btn-color: var(--oh-on-orange);
    --oh-btn-border: var(--oh-orange-deep);
    --oh-btn-shadow: 0 10px 24px -16px rgba(217, 60, 5, 0.9);
    font-weight: 600;
}

.oh-btn--primary:hover {
    --oh-btn-bg: var(--oh-orange-darker);
    --oh-btn-border: var(--oh-orange-darker);
    --oh-btn-shadow: 0 16px 30px -16px rgba(184, 48, 10, 0.85);
}

.oh-btn--outline:hover {
    --oh-btn-border: var(--oh-text);
    --oh-btn-bg: var(--oh-surface);
    --oh-btn-shadow: var(--oh-shadow-sm);
}

.oh-btn--ghost {
    --oh-btn-border: transparent;
    --oh-btn-color: var(--oh-text-muted);
    padding-inline: 0.35rem;
    min-height: 40px;
}

.oh-btn--ghost:hover {
    --oh-btn-color: var(--oh-orange-text);
}

.oh-btn--sm {
    min-height: 42px;
    padding: 0.55rem 1.1rem;
    font-size: 0.865rem;
}

.oh-btn--block {
    width: 100%;
}

.oh-btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2.1rem;
}

.oh-btn-group--center {
    justify-content: center;
    margin-top: 3rem;
}

/* ---- 4.4 Card base ---- */
.oh-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: clamp(1.6rem, 3vw, 2.1rem);
    background: var(--oh-surface);
    border: 1px solid var(--oh-border);
    border-radius: var(--oh-radius-lg);
    overflow: hidden;
    transition:
        border-color var(--oh-transition),
        transform var(--oh-transition),
        box-shadow var(--oh-transition);
}

.oh-card:hover {
    border-color: var(--oh-border-strong);
    box-shadow: var(--oh-shadow-lift);
    transform: translateY(-4px);
}

.oh-card__title {
    font-size: 1.14rem;
    margin-bottom: 0.55rem;
}

.oh-card__text {
    font-size: 0.95rem;
    line-height: 1.68;
    margin: 0;
}

/* ---- 4.5 Ícone em caixa ---- */
.oh-icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-bottom: 1.35rem;
    border-radius: 12px;
    background: var(--oh-orange-08);
    color: var(--oh-orange-deep);
    flex: none;
    transition: background-color var(--oh-transition);
}

.oh-card:hover .oh-icon-box {
    background: var(--oh-orange-14);
}

.oh-icon-box--sm {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    margin-bottom: 0;
}

.oh-icon-box--lg {
    width: 56px;
    height: 56px;
    border-radius: 16px;
}

/* ---- 4.6 Card de serviço ---- */
.oh-service-card {
    padding: clamp(1.7rem, 3vw, 2.25rem);
}

.oh-service-card__number {
    position: absolute;
    top: 1.5rem;
    right: 1.7rem;
    font-family: var(--oh-font-display);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    color: var(--oh-text-dim);
    transition: color var(--oh-transition);
}

.oh-service-card:hover .oh-service-card__number {
    color: var(--oh-orange-text);
}

.oh-service-card__topics {
    list-style: none;
    margin: 1.35rem 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.oh-service-card__topics li {
    font-size: 0.78rem;
    line-height: 1.4;
    padding: 0.3rem 0.7rem;
    border-radius: var(--oh-radius-pill);
    color: var(--oh-text-muted);
    background: var(--oh-surface-3);
}

.oh-service-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 1.7rem;
    font-family: var(--oh-font-display);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--oh-text);
}

.oh-service-card__link svg {
    transition: transform var(--oh-transition);
    color: var(--oh-orange-deep);
}

.oh-service-card:hover .oh-service-card__link {
    color: var(--oh-orange-text);
}

.oh-service-card:hover .oh-service-card__link svg {
    transform: translateX(4px);
}

/* Card inteiro clicável */
.oh-card--linked .oh-stretched {
    position: absolute;
    inset: 0;
    z-index: 2;
}

/* ---- 4.7 Card de projeto ---- */
.oh-project-card {
    padding: 0;
}

.oh-project-card__media {
    position: relative;
    display: block;
    aspect-ratio: 16 / 10;
    background: var(--oh-surface-3);
    border-bottom: 1px solid var(--oh-border);
    overflow: hidden;
}

.oh-project-card__media svg {
    display: block;
    width: 100%;
    height: 100%;
}

.oh-project-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: clamp(1.4rem, 3vw, 1.85rem);
}

.oh-project-card__category {
    display: inline-block;
    font-family: var(--oh-font-body);
    font-size: 0.71rem;
    font-weight: 500;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--oh-orange-text);
    margin-bottom: 0.7rem;
}

.oh-project-card__name {
    font-size: 1.25rem;
    margin-bottom: 0.6rem;
}

.oh-project-card__text {
    font-size: 0.93rem;
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.oh-project-card__tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0 0 1.5rem;
}

.oh-project-card__tags li {
    font-size: 0.74rem;
    padding: 0.25rem 0.65rem;
    border-radius: var(--oh-radius-pill);
    background: var(--oh-surface-3);
    color: var(--oh-text-muted);
}

.oh-project-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: auto;
    padding-top: 1.2rem;
    border-top: 1px solid var(--oh-border);
}

.oh-project-card__domain {
    min-width: 0;
    flex: 1 1 auto;
    font-size: 0.78rem;
    color: var(--oh-text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.oh-project-card__footer .oh-btn {
    flex: none;
}

/* Moldura de navegador nas artes de preview */
.oh-browser-bar {
    position: absolute;
    inset: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    height: 30px;
    padding-inline: 0.85rem;
    background: var(--oh-surface-2);
    border-bottom: 1px solid var(--oh-border);
    z-index: 2;
}

.oh-browser-bar span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(21, 23, 27, 0.14);
    flex: none;
}

.oh-browser-bar span:first-child {
    background: var(--oh-orange);
}

.oh-browser-bar em {
    margin-left: 0.5rem;
    font-style: normal;
    font-size: 0.68rem;
    letter-spacing: 0.02em;
    color: var(--oh-text-dim);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---- 4.8 Passos numerados (metodologia / processo) ---- */
.oh-steps {
    list-style: none;
    display: grid;
    gap: 1px;
    background: var(--oh-border);
    border: 1px solid var(--oh-border);
    border-radius: var(--oh-radius-lg);
    overflow: hidden;
}

.oh-step {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: clamp(1.6rem, 3vw, 2.1rem) clamp(1.3rem, 2.6vw, 1.75rem);
    background: var(--oh-surface);
    transition: background-color var(--oh-transition);
}

.oh-step:hover {
    background: var(--oh-surface-2);
}

.oh-step__number {
    font-family: var(--oh-font-display);
    font-size: 1.45rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--oh-orange-text);
    line-height: 1;
}

.oh-step__title {
    font-size: 1.04rem;
    margin: 0;
}

.oh-step__text {
    font-size: 0.9rem;
    line-height: 1.62;
    margin: 0;
    color: var(--oh-text-muted);
}

.oh-step__icon {
    position: absolute;
    top: clamp(1.6rem, 3vw, 2.1rem);
    right: clamp(1.3rem, 2.6vw, 1.75rem);
    color: var(--oh-text-dim);
    opacity: 0.45;
    transition:
        color var(--oh-transition),
        opacity var(--oh-transition);
}

.oh-step:hover .oh-step__icon {
    color: var(--oh-orange-deep);
    opacity: 1;
}

/* ---- 4.9 Trilha de fluxo (Atrair → Converter) ---- */
.oh-flow {
    list-style: none;
    display: grid;
    gap: 0.85rem;
}

.oh-flow__item {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 1.05rem;
    padding: 1.25rem 1.4rem;
    background: var(--oh-surface);
    border: 1px solid var(--oh-border);
    border-radius: var(--oh-radius);
    transition:
        border-color var(--oh-transition),
        box-shadow var(--oh-transition),
        transform var(--oh-transition);
}

.oh-flow__item:hover {
    border-color: var(--oh-border-strong);
    box-shadow: var(--oh-shadow);
    transform: translateX(4px);
}

.oh-flow__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex: none;
    border-radius: 11px;
    background: var(--oh-orange-08);
    color: var(--oh-orange-deep);
    font-family: var(--oh-font-display);
    font-size: 0.85rem;
    font-weight: 600;
}

.oh-flow__title {
    font-size: 1rem;
    margin: 0 0 0.2rem;
}

.oh-flow__text {
    font-size: 0.9rem;
    line-height: 1.62;
    margin: 0;
}

/* ---- 4.10 Lista de checagem ---- */
.oh-checklist {
    list-style: none;
    display: grid;
    gap: 0.85rem;
    margin: 0;
}

.oh-checklist li {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.96rem;
    line-height: 1.62;
}

.oh-checklist li svg {
    flex: none;
    margin-top: 0.3rem;
    color: var(--oh-orange-deep);
}

/* ---- 4.11 Comparativo mito × realidade ---- */
.oh-compare {
    display: grid;
    gap: 1rem;
}

.oh-compare__item {
    padding: 1.4rem 1.55rem;
    background: var(--oh-surface);
    border: 1px solid var(--oh-border);
    border-left: 2px solid var(--oh-orange);
    border-radius: var(--oh-radius-sm);
}

.oh-compare__wrong {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-family: var(--oh-font-display);
    font-size: 1rem;
    color: var(--oh-text-dim);
    text-decoration: line-through;
    text-decoration-color: var(--oh-orange-28);
    margin-bottom: 0.6rem;
}

.oh-compare__right {
    font-size: 0.95rem;
    line-height: 1.65;
    margin: 0;
    color: var(--oh-text-muted);
}

/* ---- 4.12 Painel destacado ---- */
.oh-panel {
    position: relative;
    padding: clamp(1.85rem, 4vw, 3rem);
    background: var(--oh-surface);
    border: 1px solid var(--oh-border);
    border-radius: var(--oh-radius-lg);
    overflow: hidden;
}

.oh-panel--plain {
    background: var(--oh-surface-2);
}

/* ---- 4.13 Métricas / indicadores ---- */
.oh-metric {
    padding: 1.5rem 1.6rem;
    background: var(--oh-surface);
    border: 1px solid var(--oh-border);
    border-radius: var(--oh-radius);
    height: 100%;
    transition:
        border-color var(--oh-transition),
        box-shadow var(--oh-transition);
}

.oh-metric:hover {
    border-color: var(--oh-border-strong);
    box-shadow: var(--oh-shadow);
}

.oh-metric__label {
    font-family: var(--oh-font-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--oh-orange-text);
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 0.55rem;
}

.oh-metric__name {
    font-family: var(--oh-font-display);
    font-size: 0.95rem;
    color: var(--oh-text);
    margin-bottom: 0.35rem;
}

.oh-metric__text {
    font-size: 0.87rem;
    line-height: 1.58;
    margin: 0;
}

/* ---- 4.14 Pílula / badge ---- */
.oh-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.9rem;
    border-radius: var(--oh-radius-pill);
    background: var(--oh-surface);
    border: 1px solid var(--oh-border);
    font-size: 0.8rem;
    letter-spacing: 0.01em;
    color: var(--oh-text-muted);
}

.oh-pill__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--oh-orange);
    flex: none;
}

/* =======================================================================
   5. ESTRUTURAS DE PÁGINA
   ======================================================================= */

/* ---- 5.1 Navbar ---- */
.oh-nav {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition:
        background-color var(--oh-transition),
        border-color var(--oh-transition);
}

.oh-nav.is-scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--oh-border);
}

.oh-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 74px;
}

.oh-nav__brand {
    display: inline-flex;
    align-items: center;
    flex: none;
    padding-block: 0.4rem;
}

.oh-nav__brand img {
    height: 32px;
    width: auto;
    display: block;
}

.oh-nav__menu {
    display: none;
    list-style: none;
    align-items: center;
    gap: 0.1rem;
    margin: 0;
}

.oh-nav__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.85rem;
    border-radius: var(--oh-radius-pill);
    font-size: 0.92rem;
    font-weight: 450;
    color: var(--oh-text-muted);
    white-space: nowrap;
    transition:
        color var(--oh-transition),
        background-color var(--oh-transition);
}

.oh-nav__link:hover {
    color: var(--oh-text);
    background: rgba(21, 23, 27, 0.05);
}

.oh-nav__link.is-active {
    color: var(--oh-text);
    font-weight: 500;
}

.oh-nav__link.is-active::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0.05rem;
    width: 5px;
    height: 5px;
    margin-left: -2.5px;
    border-radius: 50%;
    background: var(--oh-orange);
}

.oh-nav__actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex: none;
}

.oh-nav__cta {
    display: none;
}

/* Botão hamburger */
.oh-burger {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 46px;
    height: 46px;
    padding: 0;
    border: 1px solid var(--oh-border-strong);
    border-radius: 12px;
    background: var(--oh-surface);
    cursor: pointer;
    transition: border-color var(--oh-transition);
}

.oh-burger:hover {
    border-color: var(--oh-text);
}

.oh-burger span {
    display: block;
    width: 18px;
    height: 1.5px;
    border-radius: 2px;
    background: var(--oh-text);
    transition: transform 0.3s var(--oh-ease), opacity 0.2s linear;
}

.oh-burger[aria-expanded='true'] span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.oh-burger[aria-expanded='true'] span:nth-child(2) {
    opacity: 0;
}

.oh-burger[aria-expanded='true'] span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* Painel mobile */
.oh-mobile-menu {
    position: fixed;
    inset: 74px 0 0;
    z-index: 1029;
    display: flex;
    flex-direction: column;
    padding: 1.5rem var(--oh-gutter) 2.5rem;
    background: var(--oh-surface);
    border-top: 1px solid var(--oh-border);
    overflow-y: auto;
    overscroll-behavior: contain;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
        opacity 0.25s var(--oh-ease),
        transform 0.3s var(--oh-ease),
        visibility 0.25s;
}

.oh-mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.oh-mobile-menu__list {
    list-style: none;
    margin: 0 0 1.75rem;
}

.oh-mobile-menu__list li + li {
    border-top: 1px solid var(--oh-border);
}

.oh-mobile-menu__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 58px;
    padding: 0.9rem 0.25rem;
    font-family: var(--oh-font-display);
    font-size: 1.12rem;
    color: var(--oh-text);
}

.oh-mobile-menu__link span {
    font-family: var(--oh-font-body);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: var(--oh-text-dim);
}

.oh-mobile-menu__link.is-active {
    color: var(--oh-orange-text);
}

.oh-mobile-menu__link.is-active span {
    color: var(--oh-orange-text);
}

.oh-mobile-menu__footer {
    margin-top: auto;
    padding-top: 1.75rem;
    border-top: 1px solid var(--oh-border);
}

.oh-mobile-menu__contact {
    display: grid;
    gap: 0.5rem;
    margin-top: 1.25rem;
    font-size: 0.88rem;
}

.oh-mobile-menu__contact a {
    color: var(--oh-text-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}

.oh-mobile-menu__contact a:hover {
    color: var(--oh-orange-text);
}

body.oh-no-scroll {
    overflow: hidden;
}

/* ---- 5.2 Hero ---- */
.oh-hero {
    position: relative;
    padding-block: clamp(3.5rem, 8vw, 7rem) clamp(3.5rem, 7vw, 6.5rem);
    overflow: hidden;
    background: var(--oh-bg);
}

/* Único ornamento do hero: um calor laranja quase imperceptível */
.oh-hero::before {
    content: '';
    position: absolute;
    top: -32%;
    right: -8%;
    width: min(720px, 92vw);
    height: min(720px, 92vw);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 82, 20, 0.13), rgba(255, 82, 20, 0) 65%);
    pointer-events: none;
}

.oh-hero__grid {
    position: relative;
    z-index: 1;
    display: grid;
    gap: clamp(2.75rem, 6vw, 4.5rem);
    align-items: center;
}

.oh-hero__title {
    margin-bottom: 1.4rem;
}

.oh-hero__text {
    max-width: 540px;
}

.oh-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 2.5rem;
    padding-top: 2.1rem;
    border-top: 1px solid var(--oh-border);
    list-style: none;
}

/* Página interna: hero compacto */
.oh-page-hero {
    position: relative;
    padding-block: clamp(3rem, 6.5vw, 5.5rem) clamp(2.5rem, 5vw, 4.25rem);
    overflow: hidden;
    background: var(--oh-bg);
    border-bottom: 1px solid var(--oh-border);
}

.oh-page-hero::before {
    content: '';
    position: absolute;
    top: -60%;
    right: -6%;
    width: min(560px, 85vw);
    height: min(560px, 85vw);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 82, 20, 0.1), rgba(255, 82, 20, 0) 65%);
    pointer-events: none;
}

.oh-page-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 760px;
}

.oh-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0 0 1.5rem;
    font-size: 0.82rem;
    color: var(--oh-text-dim);
}

.oh-breadcrumb a {
    color: var(--oh-text-dim);
}

.oh-breadcrumb a:hover {
    color: var(--oh-orange-text);
}

.oh-breadcrumb li + li::before {
    content: '/';
    margin-right: 0.5rem;
    color: var(--oh-border-strong);
}

/* ---- 5.3 Visual do hero (composição de interface) ---- */
.oh-hero-visual {
    position: relative;
    display: none;
}

.oh-hero-visual__frame {
    position: relative;
    padding: 0.85rem;
    background: var(--oh-surface);
    border: 1px solid var(--oh-border);
    border-radius: var(--oh-radius-lg);
    box-shadow: var(--oh-shadow-lift);
}

.oh-hero-visual__screen {
    background: var(--oh-surface);
    border: 1px solid var(--oh-border);
    border-radius: var(--oh-radius);
    overflow: hidden;
}

.oh-hero-visual__chip {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.7rem 1rem;
    background: var(--oh-surface);
    border: 1px solid var(--oh-border);
    border-radius: 14px;
    box-shadow: var(--oh-shadow);
    font-size: 0.82rem;
    line-height: 1.25;
    color: var(--oh-text);
    white-space: nowrap;
}

.oh-hero-visual__chip small {
    display: block;
    font-size: 0.7rem;
    color: var(--oh-text-dim);
}

.oh-hero-visual__chip--tl {
    top: 8%;
    left: -9%;
    animation: oh-float 7s ease-in-out infinite;
}

.oh-hero-visual__chip--br {
    bottom: 9%;
    right: -7%;
    animation: oh-float 8s ease-in-out infinite reverse;
}

@keyframes oh-float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-7px);
    }
}

/* ---- 5.4 Faixa de integração (Tecnologia + Marketing) ---- */
.oh-integration {
    position: relative;
    overflow: hidden;
    background: var(--oh-bg-alt);
    border-block: 1px solid var(--oh-border);
}

.oh-equation {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem 0.65rem;
    margin: 0 0 clamp(2.5rem, 5vw, 3.5rem);
    list-style: none;
}

.oh-equation__term {
    padding: 0.6rem 1.15rem;
    border: 1px solid var(--oh-border);
    border-radius: var(--oh-radius-pill);
    background: var(--oh-surface);
    font-family: var(--oh-font-display);
    font-size: clamp(0.85rem, 2.2vw, 1rem);
    color: var(--oh-text);
    white-space: nowrap;
}

.oh-equation__term--accent {
    border-color: var(--oh-orange-deep);
    background: var(--oh-orange-deep);
    color: var(--oh-on-orange);
    font-weight: 600;
}

.oh-equation__op {
    font-family: var(--oh-font-display);
    font-size: 1.05rem;
    color: var(--oh-text-dim);
    line-height: 1;
}

/* ---- 5.5 CTA final ---- */
.oh-cta {
    position: relative;
    overflow: hidden;
    padding-block: clamp(4rem, 8vw, 7rem);
    background: var(--oh-bg-alt);
    border-top: 1px solid var(--oh-border);
    text-align: center;
}

.oh-cta::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -60%;
    width: min(900px, 135vw);
    height: min(900px, 135vw);
    margin-left: min(-450px, -67.5vw);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 82, 20, 0.15), rgba(255, 82, 20, 0) 62%);
    pointer-events: none;
}

.oh-cta__inner {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin-inline: auto;
}

.oh-cta .oh-btn-group {
    justify-content: center;
}

/* ---- 5.6 Footer ---- */
.oh-footer {
    position: relative;
    background: var(--oh-bg);
    border-top: 1px solid var(--oh-border);
    padding-top: clamp(3rem, 6vw, 4.5rem);
}

.oh-footer__grid {
    display: grid;
    gap: 2.5rem;
    padding-bottom: 3rem;
}

.oh-footer__brand img {
    height: 30px;
    width: auto;
    display: block;
}

.oh-footer__about {
    margin-top: 1.15rem;
    font-size: 0.9rem;
    line-height: 1.68;
    max-width: 34ch;
    color: var(--oh-text-muted);
}

.oh-footer__heading {
    font-family: var(--oh-font-body);
    font-size: 0.73rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--oh-text-dim);
    margin-bottom: 1.1rem;
}

.oh-footer__list {
    list-style: none;
    display: grid;
    gap: 0.65rem;
    font-size: 0.9rem;
}

.oh-footer__list a {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--oh-text-muted);
}

.oh-footer__list a:hover {
    color: var(--oh-orange-text);
}

.oh-footer__list svg {
    color: var(--oh-text-dim);
    transition: color var(--oh-transition);
    flex: none;
}

.oh-footer__list a:hover svg {
    color: var(--oh-orange-deep);
}

.oh-footer__social {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.oh-footer__social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--oh-border);
    border-radius: 11px;
    background: var(--oh-surface);
    color: var(--oh-text-muted);
    transition:
        color var(--oh-transition),
        border-color var(--oh-transition),
        transform var(--oh-transition);
}

.oh-footer__social a:hover {
    color: var(--oh-orange-deep);
    border-color: var(--oh-orange-28);
    transform: translateY(-2px);
}

.oh-footer__bottom {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-block: 1.6rem;
    border-top: 1px solid var(--oh-border);
    font-size: 0.82rem;
    color: var(--oh-text-dim);
}

.oh-footer__bottom a {
    color: var(--oh-text-dim);
}

.oh-footer__bottom a:hover {
    color: var(--oh-orange-text);
}

/* ---- 5.7 Formulário ---- */
.oh-form {
    display: grid;
    gap: 1.15rem;
}

.oh-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.oh-label {
    font-family: var(--oh-font-display);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--oh-text);
}

.oh-label span {
    color: var(--oh-text-dim);
    font-weight: 400;
}

.oh-input,
.oh-select,
.oh-textarea {
    width: 100%;
    min-height: 52px;
    padding: 0.85rem 1.05rem;
    background: var(--oh-surface);
    border: 1px solid var(--oh-border-strong);
    border-radius: var(--oh-radius-sm);
    color: var(--oh-text);
    font-family: var(--oh-font-body);
    font-size: 1rem;
    line-height: 1.5;
    transition:
        border-color var(--oh-transition),
        box-shadow var(--oh-transition);
    appearance: none;
}

.oh-textarea {
    min-height: 148px;
    resize: vertical;
}

.oh-input::placeholder,
.oh-textarea::placeholder {
    color: var(--oh-text-dim);
}

.oh-input:focus,
.oh-select:focus,
.oh-textarea:focus {
    outline: none;
    border-color: var(--oh-orange-deep);
    box-shadow: 0 0 0 3px var(--oh-orange-14);
}

.oh-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9' fill='none'%3E%3Cpath d='M1 1L7 7L13 1' stroke='%235f636b' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.05rem center;
    padding-right: 2.75rem;
    cursor: pointer;
}

.oh-select option {
    background: var(--oh-surface);
    color: var(--oh-text);
}

.oh-input.is-invalid,
.oh-select.is-invalid,
.oh-textarea.is-invalid {
    border-color: #c62828;
}

.oh-input.is-invalid:focus,
.oh-select.is-invalid:focus,
.oh-textarea.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.14);
}

.oh-error {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    font-size: 0.83rem;
    line-height: 1.45;
    color: #b42222;
}

.oh-honeypot {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.oh-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1.1rem 1.25rem;
    border-radius: var(--oh-radius);
    font-size: 0.94rem;
    line-height: 1.6;
    margin-bottom: 1.75rem;
}

.oh-alert svg {
    flex: none;
    margin-top: 0.15rem;
}

.oh-alert--success {
    background: #ecf7f0;
    border: 1px solid rgba(15, 118, 71, 0.28);
    color: #0f7647;
}

.oh-alert--error {
    background: #fdeeee;
    border: 1px solid rgba(180, 34, 34, 0.28);
    color: #b42222;
}

.oh-alert strong {
    color: inherit;
}

/* Cartões de canal de contato */
.oh-channel {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.2rem 1.3rem;
    background: var(--oh-surface);
    border: 1px solid var(--oh-border);
    border-radius: var(--oh-radius);
    transition:
        border-color var(--oh-transition),
        box-shadow var(--oh-transition),
        transform var(--oh-transition);
}

.oh-channel:hover {
    border-color: var(--oh-border-strong);
    box-shadow: var(--oh-shadow);
    transform: translateY(-2px);
}

.oh-channel__label {
    font-size: 0.72rem;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--oh-text-dim);
    margin-bottom: 0.2rem;
}

.oh-channel__value {
    font-family: var(--oh-font-display);
    font-size: 1rem;
    color: var(--oh-text);
    word-break: break-word;
    margin: 0;
}

/* =======================================================================
   6. RESPONSIVO (mobile-first: pontos de ampliação)
   ======================================================================= */
/* Telas muito estreitas: rótulos e botões ganham respiro */
@media (max-width: 575.98px) {
    .oh-eyebrow {
        font-size: 0.7rem;
        letter-spacing: 0.13em;
    }

    .oh-btn {
        width: 100%;
    }

    .oh-btn--sm,
    .oh-project-card__footer .oh-btn {
        width: auto;
    }
}

@media (min-width: 576px) {
    .oh-footer__bottom {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

@media (min-width: 768px) {
    .oh-steps {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .oh-footer__grid {
        grid-template-columns: repeat(2, 1fr);
        column-gap: 2rem;
    }

    .oh-flow {
        gap: 1rem;
    }
}

@media (min-width: 992px) {
    html {
        scroll-padding-top: 100px;
    }

    .oh-nav__menu {
        display: flex;
    }

    .oh-nav__cta {
        display: inline-flex;
    }

    .oh-burger {
        display: none;
    }

    .oh-mobile-menu {
        display: none;
    }

    .oh-hero__grid {
        grid-template-columns: 1.05fr 0.95fr;
    }

    .oh-hero-visual {
        display: block;
    }

    .oh-steps--3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .oh-steps--4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .oh-steps--5 {
        grid-template-columns: repeat(5, 1fr);
    }

    .oh-steps--6 {
        grid-template-columns: repeat(3, 1fr);
    }

    .oh-footer__grid {
        grid-template-columns: 1.6fr 1fr 1fr 1.25fr;
        column-gap: 2.5rem;
    }

    .oh-flow {
        grid-template-columns: repeat(5, 1fr);
    }

    .oh-flow--4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .oh-flow__item {
        flex-direction: column;
        gap: 0.9rem;
    }

    .oh-flow__item:hover {
        transform: translateY(-4px);
    }
}

@media (min-width: 1200px) {
    .oh-steps--3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* =======================================================================
   7. MOVIMENTO
   ======================================================================= */
/* A revelação só é aplicada quando há JavaScript disponível: sem ele, o
   conteúdo permanece visível normalmente. */
.js .oh-reveal {
    opacity: 0;
    transform: translateY(16px);
    transition:
        opacity 0.6s var(--oh-ease),
        transform 0.6s var(--oh-ease);
    transition-delay: var(--oh-delay, 0ms);
}

.js .oh-reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* Traço animado nas artes SVG de preview */
.oh-anim-dash {
    stroke-dasharray: 4 6;
    animation: oh-dash 14s linear infinite;
}

@keyframes oh-dash {
    to {
        stroke-dashoffset: -200;
    }
}

.oh-anim-pulse {
    animation: oh-pulse 3.4s ease-in-out infinite;
    transform-origin: center;
}

@keyframes oh-pulse {
    0%,
    100% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }

    .js .oh-reveal {
        opacity: 1;
        transform: none;
    }
}

/* Utilitários pontuais */
.oh-visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.oh-skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    z-index: 2000;
    padding: 0.75rem 1.25rem;
    background: var(--oh-orange-deep);
    color: var(--oh-on-orange);
    border-radius: 0 0 10px 10px;
    font-weight: 600;
    transition: top 0.2s var(--oh-ease);
}

.oh-skip-link:focus {
    top: 0;
    color: var(--oh-on-orange);
}

.oh-divider {
    height: 1px;
    background: var(--oh-border);
    border: 0;
    margin: 0;
    opacity: 1;
}