/* =============================================================
   Método P.O.R.E. — Landing Page
   CSS organizado em cascade layers (mobile-first)
   Ordem: reset → tokens → base → layout → components → utilities
   ============================================================= */

/* ---------- Critical: tokens + tipografia (carregam primeiro) -- */
:root {
  /* Cores */
  --color-bg-primary: #F4F1EA;     /* Porcelain Mist */
  --color-bg-secondary: #E6DAC8;   /* Creamed Oat */
  --color-bg-light: #FAF9F6;       /* Feather White */
  --color-bg-dark: #2D2520;        /* Footer */

  --color-accent-strong: #A48D78;  /* Desert Rock */
  --color-accent-medium: #CBB9A4;  /* Soft Sandstone */
  /* Variação mais escura do accent para texto pequeno (garante WCAG AA ≥ 4.5 em todos
     os fundos da LP). A "Desert Rock" original (#A48D78) é usada em elementos
     grandes e decorativos (letras monstro, assinaturas Caveat) onde o WCAG aceita
     o limiar de "large text" (3.0). */
  --color-accent-text: #6F5C4A;

  --color-cta: #8B7560;            /* CTA principal */
  --color-cta-hover: #6F5C4A;
  --color-cta-text: #FAF9F6;

  --color-text-primary: #2D2520;
  --color-text-secondary: #5C4F44;
  --color-text-muted: #8B7D6F;
  --color-text-inverse: #F4F1EA;

  --color-border-subtle: rgba(164, 141, 120, 0.20);
  --color-border-strong: rgba(164, 141, 120, 0.45);
  --color-focus-ring: #A48D78;

  --gradient-warm: linear-gradient(135deg, #F4F1EA 0%, #E6DAC8 100%);
  --gradient-hero: linear-gradient(180deg, #FAF9F6 0%, #F4F1EA 60%, #E6DAC8 100%);
  --gradient-cta: linear-gradient(135deg, #8B7560 0%, #A48D78 100%);

  /* Tipografia */
  --font-heading: "Playfair Display", "Georgia", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-script: "Caveat", "Brush Script MT", cursive;

  /* Escala tipográfica (mobile-first) */
  --fs-hero: clamp(2rem, 6vw, 4rem);
  --fs-h2: clamp(1.75rem, 4.5vw, 2.75rem);
  --fs-h3: clamp(1.25rem, 3vw, 1.625rem);
  --fs-lead: clamp(1rem, 2.2vw, 1.25rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-eyebrow: 0.8125rem;

  /* Espaçamentos */
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Outros tokens */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 8px rgba(45, 37, 32, 0.06);
  --shadow-md: 0 8px 24px rgba(45, 37, 32, 0.10);
  --shadow-lg: 0 20px 48px rgba(45, 37, 32, 0.14);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --header-height: 72px;
  --container-padding: 1.25rem;
  --container-max: 1200px;
}

/* =============================================================
   LAYER: reset
   ============================================================= */
@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
  }

  body,
  h1, h2, h3, h4, h5, h6,
  p, figure, blockquote, dl, dd, ul, ol {
    margin: 0;
  }

  ul[role="list"],
  ol[role="list"],
  ul,
  ol {
    padding: 0;
    list-style: none;
  }

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

  button {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
    padding: 0;
    cursor: pointer;
  }

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

  :focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
    border-radius: 2px;
  }

  [x-cloak],
  .skip-link {
    /* skip link fora da tela por padrão */
  }
}

/* =============================================================
   LAYER: base
   ============================================================= */
@layer base {
  body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    overflow-x: hidden;
  }

  h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
  }

  p {
    color: var(--color-text-secondary);
  }

  /* Acessibilidade: skip link visível ao receber foco */
  .skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    z-index: 1000;
    padding: 0.75rem 1.25rem;
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: top 0.2s var(--ease-out);
  }

  .skip-link:focus-visible {
    top: 1rem;
  }
}

/* =============================================================
   LAYER: layout
   ============================================================= */
@layer layout {
  .container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
  }

  .section {
    padding-block: var(--space-16);
  }

  .section--pain,
  .section--testimonials {
    background-color: var(--color-bg-secondary);
  }

  .section--method {
    background: var(--gradient-warm);
  }

  .section--offer {
    background-color: var(--color-bg-primary);
  }
}

/* =============================================================
   LAYER: components
   ============================================================= */
@layer components {

  /* ---------- Header ---------- */
  .site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    height: var(--header-height);
    background-color: transparent;
    transition: background-color 0.3s var(--ease-out),
                box-shadow 0.3s var(--ease-out),
                border-color 0.3s var(--ease-out);
    border-bottom: 1px solid transparent;
  }

  .site-header.is-scrolled {
    background-color: rgba(250, 249, 246, 0.95);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    backdrop-filter: saturate(180%) blur(12px);
    box-shadow: var(--shadow-sm);
    border-bottom-color: var(--color-border-subtle);
  }

  .site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--space-4);
  }

  .site-header__logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
  }

  .site-header__logo img {
    height: 36px;
    width: auto;
  }

  .site-header__logo-fallback {
    display: none;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
  }

  .site-header.is-scrolled .site-header__logo-fallback,
  .site-header .site-header__logo-fallback[style*="inline-flex"] {
    color: var(--color-text-primary);
  }

  /* nav desktop escondida em mobile */
  .site-nav {
    display: none;
  }

  .site-header__cta {
    display: none;
  }

  /* ---------- Hero ---------- */
  .hero {
    position: relative;
    background: var(--gradient-hero);
    padding-block: calc(var(--header-height) + var(--space-12)) var(--space-16);
    overflow: hidden;
  }

  .hero::before {
    /* textura orgânica sutil */
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(
      circle at 80% 20%,
      rgba(203, 185, 164, 0.35) 0%,
      transparent 50%
    );
    pointer-events: none;
  }

  .hero__inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
  }

  .hero__content > * + * {
    margin-top: var(--space-4);
  }

  .hero__title {
    font-size: var(--fs-hero);
    line-height: 1.08;
    color: var(--color-text-primary);
    max-width: 18ch;
  }

  .hero__title em {
    font-style: italic;
    color: var(--color-accent-strong);
  }

  .hero__subtitle {
    font-size: var(--fs-lead);
    color: var(--color-text-secondary);
    max-width: 50ch;
  }

  .hero__support {
    font-size: var(--fs-body);
    color: var(--color-text-secondary);
    max-width: 56ch;
  }

  .hero__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: flex-start;
    margin-top: var(--space-6);
  }

  .hero__scroll-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent-text);
    font-weight: 600;
    font-size: var(--fs-small);
    padding: 0.5rem 0;
    transition: gap 0.2s var(--ease-out);
  }

  .hero__scroll-link:hover {
    gap: 0.875rem;
  }

  .hero__visual {
    position: relative;
  }

  .hero__image-wrap {
    position: relative;
    aspect-ratio: 7 / 8;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #E6DAC8 0%, #CBB9A4 100%);
  }

  .hero__image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .hero__badge {
    position: absolute;
    bottom: var(--space-4);
    left: var(--space-4);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--color-bg-light);
    padding: 0.75rem 1.125rem;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-md);
    max-width: calc(100% - 2 * var(--space-4));
  }

  .hero__badge-letter {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-cta);
    color: var(--color-cta-text);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
  }

  .hero__badge-text {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.2;
  }

  /* ---------- Eyebrow + títulos de seção ---------- */
  .eyebrow {
    display: inline-block;
    font-size: var(--fs-eyebrow);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    /* usa a variação mais escura do accent para garantir WCAG AA em textos pequenos */
    color: var(--color-accent-text);
    margin-bottom: var(--space-4);
  }

  .eyebrow--inverse {
    color: var(--color-accent-text);
  }

  .section__title {
    font-size: var(--fs-h2);
    line-height: 1.15;
    max-width: 22ch;
    margin-bottom: var(--space-4);
  }

  .section__lead {
    font-size: var(--fs-lead);
    color: var(--color-text-secondary);
    max-width: 60ch;
    margin-bottom: var(--space-12);
  }

  /* ---------- Cards de dor ---------- */
  .pain-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-block: var(--space-8) var(--space-12);
  }

  .pain-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    transition: transform 0.3s var(--ease-out),
                box-shadow 0.3s var(--ease-out);
  }

  .pain-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }

  .pain-card__icon {
    font-size: 1.75rem;
    line-height: 1;
    flex-shrink: 0;
  }

  .pain-card__text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.55;
  }

  /* ---------- Insight box ---------- */
  .insight-box {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    background: var(--gradient-warm);
    border-left: 4px solid var(--color-accent-strong);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
  }

  .insight-box__icon {
    font-size: 1.75rem;
    line-height: 1;
    flex-shrink: 0;
  }

  .insight-box p {
    margin: 0;
    color: var(--color-text-primary);
    font-size: 1rem;
    line-height: 1.6;
  }

  /* ---------- Bloco Stefane ---------- */
  .stefane-block {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    align-items: center;
    background-color: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-sm);
    margin-block: var(--space-12);
  }

  .stefane-block__photo {
    aspect-ratio: 4 / 5;
    max-width: 280px;
    margin: 0 auto;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: linear-gradient(180deg, #E6DAC8 0%, #CBB9A4 100%);
    /* vinheta */
    position: relative;
  }

  .stefane-block__photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
      ellipse at center,
      transparent 50%,
      rgba(45, 37, 32, 0.18) 100%
    );
    pointer-events: none;
  }

  .stefane-block__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .stefane-block__label {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
  }

  .stefane-block__role {
    font-size: var(--fs-small);
    color: var(--color-accent-text);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-3);
  }

  .stefane-block__quote {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-text-secondary);
    line-height: 1.5;
    position: relative;
  }

  .stefane-block__quote-mark {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--color-accent-strong);
    line-height: 0.5;
    vertical-align: -0.3em;
    margin-right: 0.25rem;
  }

  .stefane-block__signature {
    display: block;
    font-family: var(--font-script);
    font-style: normal;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-accent-strong);
    margin-top: var(--space-3);
  }

  /* ---------- Cards P.O.R.E. ---------- */
  .pore-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
  }

  .pore-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    transition: transform 0.3s var(--ease-out),
                box-shadow 0.3s var(--ease-out),
                border-color 0.3s var(--ease-out);
  }

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

  .pore-card__letter {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1;
    background: var(--gradient-cta);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    margin-bottom: var(--space-3);
  }

  .pore-card__title {
    font-size: 1.375rem;
    margin-bottom: var(--space-2);
    color: var(--color-text-primary);
  }

  .pore-card__text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
  }

  /* ---------- Bloco benefícios + mockup ---------- */
  .method-bottom {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
  }

  .benefits__title {
    font-size: var(--fs-h3);
    margin-bottom: var(--space-6);
  }

  .benefits__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
  }

  .benefits__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: 1rem;
    color: var(--color-text-primary);
    line-height: 1.5;
  }

  .benefits__check {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-cta);
    color: var(--color-cta-text);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
  }

  .method-mockup {
    position: relative;
    max-width: 520px;
    margin: 0 auto;
  }

  .method-mockup__shadow {
    position: absolute;
    inset: 8% -6% -8% -6%;
    background: var(--gradient-cta);
    filter: blur(48px);
    opacity: 0.18;
    border-radius: 50%;
    z-index: 0;
  }

  .method-mockup img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
  }

  /* ---------- Depoimentos ---------- */
  .testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
  }

  .testimonial-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    transition: transform 0.3s var(--ease-out),
                box-shadow 0.3s var(--ease-out);
  }

  .testimonial-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }

  .testimonial-card__rating {
    color: var(--color-accent-text);
    font-size: 1.125rem;
    letter-spacing: 0.1em;
  }

  /* Imagem retangular antes/depois (substitui avatar circular).
     Aspect ratio 2/3 = proporção natural das imagens (~0.68),
     sem corte. Em desktop 4 colunas, ajusta para 3/4 para
     acomodar melhor a largura estreita do card. */
  .testimonial-card__media {
    margin: 0;
    width: 100%;
    aspect-ratio: 2 / 3;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: linear-gradient(135deg, #E6DAC8 0%, #CBB9A4 100%);
    box-shadow: var(--shadow-sm);
  }

  .testimonial-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
  }

  .testimonial-card__quote p {
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-style: italic;
    line-height: 1.55;
    color: var(--color-text-primary);
  }

  .testimonial-card__author {
    display: block;
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border-subtle);
  }

  .testimonial-card__name {
    font-family: var(--font-script);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent-strong);
    line-height: 1;
  }

  .testimonial-card__tag {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-top: 0.25rem;
  }

  .testimonials-cta {
    text-align: center;
  }

  /* ---------- Oferta ---------- */
  .offer-card {
    background: var(--color-bg-light);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr;
    margin-block: var(--space-8);
  }

  .offer-card__content {
    padding: var(--space-8);
  }

  .offer-card__title {
    font-size: var(--fs-h3);
    margin-bottom: var(--space-6);
  }

  .offer-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
  }

  .offer-list__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .offer-list__icon {
    font-size: 1.5rem;
    line-height: 1;
    flex-shrink: 0;
  }

  .offer-list__item strong {
    display: block;
    color: var(--color-text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.125rem;
  }

  .offer-list__item span {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
  }

  /* preço */
  .price {
    text-align: center;
    background: var(--gradient-warm);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    margin-block: var(--space-6);
  }

  .price__old {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
  }

  .price__current {
    font-family: var(--font-heading);
    color: var(--color-text-primary);
    display: inline-flex;
    align-items: baseline;
    gap: 0.25rem;
    margin-bottom: var(--space-2);
  }

  .price__currency {
    font-size: 1.5rem;
    font-weight: 600;
  }

  .price__amount {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
  }

  .price__cents {
    font-size: 1.75rem;
    font-weight: 600;
  }

  .price__installment {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
  }

  .trust-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-4);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
  }

  .trust-list li {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
  }

  .offer-card__visual {
    background: var(--gradient-warm);
    padding: var(--space-8);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 360px;
  }

  .offer-card__mockup {
    position: relative;
    max-width: 380px;
    width: 100%;
  }

  .offer-card__mockup img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: rotate(-2deg);
  }

  /* Garantia */
  .guarantee {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
    background: var(--color-bg-light);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    text-align: center;
    margin-block: var(--space-8);
  }

  .guarantee__seal {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--gradient-cta);
    color: var(--color-cta-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
  }

  .guarantee__seal-icon {
    font-size: 2rem;
    line-height: 1;
  }

  .guarantee__seal-text {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    line-height: 1;
    margin-top: 0.25rem;
  }

  .guarantee__title {
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
  }

  .guarantee__text {
    max-width: 56ch;
    margin: 0 auto;
  }

  .offer-microcopy {
    text-align: center;
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent-text);
    margin-top: var(--space-8);
  }

  /* ---------- Footer ---------- */
  .site-footer {
    background-color: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding-block: var(--space-12) var(--space-8);
  }

  .site-footer__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    align-items: center;
    text-align: center;
  }

  .site-footer__brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }

  .site-footer__logo {
    display: inline-flex;
    align-items: center;
  }

  .site-footer__logo img {
    height: 40px;
    width: auto;
    /* o logo provavelmente é claro: aplica um leve filtro para destacar no fundo escuro */
    filter: brightness(0) invert(1);
    opacity: 0.9;
  }

  .site-footer__logo-fallback {
    display: none;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-inverse);
    letter-spacing: 0.05em;
  }

  .site-footer__copy {
    font-size: var(--fs-small);
    color: rgba(244, 241, 234, 0.7);
    margin: 0;
  }

  .site-footer__nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-6);
  }

  .site-footer__nav a {
    font-size: var(--fs-small);
    color: rgba(244, 241, 234, 0.85);
    transition: color 0.2s var(--ease-out);
    min-height: 48px;
    display: inline-flex;
    align-items: center;
  }

  .site-footer__nav a:hover {
    color: var(--color-accent-medium);
  }

  .site-footer__disclaimer {
    font-size: 0.75rem;
    color: rgba(244, 241, 234, 0.5);
    font-style: italic;
    max-width: 56ch;
    margin: 0;
  }

  /* ---------- Sticky CTA mobile ---------- */
  .sticky-cta {
    position: fixed;
    inset: auto 0 0 0;
    z-index: 90;
    background-color: rgba(250, 249, 246, 0.96);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    padding: var(--space-3) var(--container-padding);
    box-shadow: 0 -4px 24px rgba(45, 37, 32, 0.10);
    border-top: 1px solid var(--color-border-subtle);
    transform: translateY(100%);
    transition: transform 0.35s var(--ease-out);
  }

  .sticky-cta.is-visible {
    transform: translateY(0);
  }

  .sticky-cta.is-hidden {
    transform: translateY(100%);
  }
}

/* =============================================================
   LAYER: utilities
   ============================================================= */
@layer utilities {
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    border-radius: var(--radius-pill);
    text-transform: uppercase;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s var(--ease-out),
                background-color 0.2s var(--ease-out),
                box-shadow 0.2s var(--ease-out),
                color 0.2s var(--ease-out);
    min-height: 48px;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
  }

  .btn:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 3px;
  }

  .btn--primary {
    background: var(--gradient-cta);
    color: var(--color-cta-text);
    box-shadow: var(--shadow-sm);
  }

  .btn--primary:hover {
    background: var(--color-cta-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
  }

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

  .btn--sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.8125rem;
    min-height: 40px;
  }

  /* Os botões grandes/xl usam font-size >= 18px bold (≈14pt bold) para serem
     classificados como "large text" pelo WCAG — isso permite que o contraste
     do texto claro com o gradiente CTA (4.15) seja suficiente para AA Large. */
  .btn--lg {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
  }

  .btn--xl {
    padding: 1.375rem 2.5rem;
    font-size: 1.25rem;
  }

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

  /* Scroll reveal */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease-out),
                transform 0.7s var(--ease-out);
  }

  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =============================================================
   Breakpoints (mobile-first)
   ============================================================= */

/* Small phones (≥ 480px) */
@media (min-width: 480px) {
  :root {
    --container-padding: 1.5rem;
  }

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

/* Tablets (≥ 768px) */
@media (min-width: 768px) {
  :root {
    --header-height: 80px;
    --container-padding: 2rem;
  }

  .section {
    padding-block: var(--space-20);
  }

  .pain-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .pore-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .stefane-block {
    grid-template-columns: 240px 1fr;
    padding: var(--space-12);
    text-align: left;
  }

  .stefane-block__photo {
    margin: 0;
  }

  .offer-card {
    grid-template-columns: 1.2fr 1fr;
  }

  .offer-card__visual {
    min-height: auto;
  }

  .guarantee {
    flex-direction: row;
    text-align: left;
    padding: var(--space-12);
  }

  .guarantee__content {
    flex: 1;
  }
}

/* Desktop (≥ 1024px) */
@media (min-width: 1024px) {
  .site-nav {
    display: block;
  }

  .site-nav__list {
    display: flex;
    gap: var(--space-6);
    align-items: center;
  }

  .site-nav__link {
    font-size: var(--fs-small);
    font-weight: 500;
    color: var(--color-text-primary);
    padding: 0.5rem 0.25rem;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    position: relative;
    transition: color 0.2s var(--ease-out);
  }

  .site-nav__link::after {
    content: "";
    position: absolute;
    left: 0.25rem;
    right: 0.25rem;
    bottom: 0.5rem;
    height: 2px;
    background-color: var(--color-accent-strong);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s var(--ease-out);
  }

  .site-nav__link:hover::after,
  .site-nav__link:focus-visible::after {
    transform: scaleX(1);
  }

  .site-header__cta {
    display: inline-flex;
  }

  .hero {
    padding-block: calc(var(--header-height) + var(--space-16)) var(--space-20);
  }

  .hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--space-16);
  }

  .hero__actions {
    flex-direction: row;
    align-items: center;
  }

  .method-bottom {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-16);
  }

  .testimonials-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }

  /* Em desktop 4 colunas o card fica estreito (~270px);
     reduzimos o aspect ratio de 2/3 para 3/4 para que a
     imagem não domine a altura do card. */
  .testimonial-card__media {
    aspect-ratio: 3 / 4;
  }

  /* Sticky CTA some no desktop */
  .sticky-cta {
    display: none;
  }
}

/* Large desktop (≥ 1280px) */
@media (min-width: 1280px) {
  :root {
    --container-padding: 2.5rem;
  }

  .section {
    padding-block: var(--space-24);
  }

  .hero__inner {
    gap: var(--space-20);
  }

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

/* =============================================================
   Acessibilidade: prefers-reduced-motion
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero__scroll-link:hover {
    gap: 0.5rem;
  }
}