/* ============================================
   TOKENS — cores de fallback (marca sobrescreve via :root inline)
   ============================================ */
:root {
    --brand-primary: #14181F;
    --brand-secondary: #5B6472;
    --brand-font: 'Fraunces', serif;

    --color-bg: #FAFAF8;
    --color-surface: #FFFFFF;
    --color-text: #14181F;
    --color-text-muted: #5B6472;
    --color-border: #E4E1DA;

    --font-display: var(--brand-font), 'Fraunces', serif;
    --font-body: 'Inter', -apple-system, sans-serif;

    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2.5rem;
    --space-5: 4rem;
    --space-6: 6rem;
    --space-7: 9rem;

    --radius: 3px;
    --max-width: 1120px;
}

/* ============================================
   RESET / BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); margin: 0; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

:focus-visible {
    outline: 3px solid var(--brand-primary);
    outline-offset: 2px;
}

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

/* ============================================
   FAIXA LATERAL — elemento de assinatura
   ============================================ */
.side-rail {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 44px;
    display: none;
    align-items: flex-end;
    padding-bottom: var(--space-4);
    z-index: 40;
    pointer-events: none;
}
@media (min-width: 900px) {
    .side-rail { display: flex; }
}
.side-rail::before {
    content: '';
    position: absolute;
    left: 21px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--color-border);
}
.side-rail__label {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: var(--brand-primary);
    padding-left: var(--space-2);
    white-space: nowrap;
    transition: opacity 0.3s ease;
}

/* ============================================
   LAYOUT / CONTAINERS
   ============================================ */
.block { padding: var(--space-6) var(--space-3); }
.landing-page { overflow-x: hidden; }

@media (min-width: 900px) {
    .block { padding-left: 84px; padding-right: var(--space-5); }
}

/* Revelação ao rolar */
.block {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.block.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   TIPOGRAFIA COMPARTILHADA
   ============================================ */
.block h1, .block h2 {
    font-size: clamp(1.9rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: var(--color-text);
    max-width: 42ch;
}
.block h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

/* ============================================
   BOTÕES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.75rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn--primary {
    background: var(--brand-primary);
    color: var(--color-surface);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }
.btn--secondary {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}
.btn--large { padding: 1.1rem 2.25rem; font-size: 1.05rem; }

/* ============================================
   HERO
   ============================================ */
.block-hero__container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    gap: var(--space-4);
    align-items: center;
}
@media (min-width: 900px) {
    .block-hero__container { grid-template-columns: 1.1fr 1fr; }
}
.block-hero__title { margin-bottom: var(--space-2); }
.block-hero__subtitle {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
    max-width: 46ch;
}
.block-hero__media img, .block-hero__media iframe {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius);
    border: 0;
}

/* ============================================
   CTA
   ============================================ */
.block-cta { background: var(--brand-primary); }
.block-cta__container {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}
.block-cta__text {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--color-surface);
}
.block-cta .btn--primary { background: var(--color-surface); color: var(--brand-primary); }

/* ============================================
   BENEFÍCIOS
   ============================================ */
.block-benefits__container { max-width: var(--max-width); margin: 0 auto; }
.block-benefits__title { margin-bottom: var(--space-4); }
.block-benefits__grid {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.block-benefits__icon {
    display: inline-flex;
    font-size: 1.3rem;
    margin-bottom: var(--space-1);
    color: var(--brand-primary);
}
.block-benefits__item-title { margin-bottom: 0.4rem; }
.block-benefits__item-description { color: var(--color-text-muted); }

/* ============================================
   FAQ
   ============================================ */
.block-faq__container { max-width: 760px; margin: 0 auto; }
.block-faq__title { margin-bottom: var(--space-3); }
.block-faq__item {
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) 0;
}
.block-faq__question {
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    list-style: none;
}
.block-faq__question::-webkit-details-marker { display: none; }
.block-faq__question::after { content: '+'; float: right; font-weight: 400; color: var(--color-text-muted); }
.block-faq__item[open] .block-faq__question::after { content: '−'; }
.block-faq__answer { color: var(--color-text-muted); margin-top: var(--space-1); }

/* ============================================
   VÍDEO
   ============================================ */
.block-video__container { max-width: 900px; margin: 0 auto; }
.block-video__wrapper { position: relative; padding-top: 56.25%; border-radius: var(--radius); overflow: hidden; }
.block-video__wrapper iframe {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;
}

/* ============================================
   PASSO A PASSO
   ============================================ */
.block-steps__container { max-width: var(--max-width); margin: 0 auto; }
.block-steps__title { margin-bottom: var(--space-4); }
.block-steps__list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); }
.block-steps__item { position: relative; display: flex; gap: var(--space-3); padding-left: 0.25rem; }
.block-steps__number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    line-height: 1;
    color: var(--brand-primary);
    opacity: 0.15;
    font-weight: 600;
    flex-shrink: 0;
}
.block-steps__item-title { margin-bottom: 0.3rem; }
.block-steps__item-description { color: var(--color-text-muted); }

/* ============================================
   PROVA SOCIAL
   ============================================ */
.block-testimonials__container { max-width: var(--max-width); margin: 0 auto; }
.block-testimonials__title { margin-bottom: var(--space-4); }
.block-testimonials__grid {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.block-testimonials__item {
    margin: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-3);
}
.block-testimonials__rating { margin-bottom: var(--space-1); }
.star { color: var(--color-border); }
.star--filled { color: var(--brand-secondary); }
.block-testimonials__text { color: var(--color-text); font-style: italic; }
.block-testimonials__author {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: var(--space-2);
}
.block-testimonials__photo { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; }
.block-testimonials__name { font-style: normal; font-weight: 600; font-size: 0.9rem; }

/* ============================================
   ESTATÍSTICAS
   ============================================ */
.block-stats__container { max-width: var(--max-width); margin: 0 auto; text-align: center; }
.block-stats__title { margin: 0 auto var(--space-4); }
.block-stats__grid {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}
.block-stats__number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.75rem;
    font-weight: 600;
    color: var(--brand-primary);
}
.block-stats__label { color: var(--color-text-muted); font-size: 0.9rem; }

/* ============================================
   SOBRE O AUTOR
   ============================================ */
.block-author__container {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    flex-wrap: wrap;
}
.block-author__photo { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.block-author__name { margin-bottom: 0.25rem; }
.block-author__credentials { color: var(--brand-secondary); font-weight: 600; font-size: 0.9rem; margin-bottom: var(--space-2); }
.block-author__bio { color: var(--color-text-muted); }

/* ============================================
   OFERTA / PREÇO
   ============================================ */
.block-offer { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.block-offer__container { max-width: 560px; margin: 0 auto; text-align: center; }
.block-offer__title { margin: 0 auto var(--space-3); }
.block-offer__price { margin-bottom: var(--space-3); }
.block-offer__price-from { text-decoration: line-through; color: var(--color-text-muted); margin-right: var(--space-2); }
.block-offer__price-to { font-family: var(--font-display); font-size: 2.5rem; font-weight: 600; color: var(--brand-primary); }
.block-offer__items { list-style: none; padding: 0; margin: 0 0 var(--space-4); text-align: left; display: inline-block; }
.block-offer__item { padding: 0.4rem 0; }
.block-offer__item::before { content: '✓ '; color: var(--brand-secondary); font-weight: 700; }

/* ============================================
   BÔNUS
   ============================================ */
.block-bonus__container { max-width: var(--max-width); margin: 0 auto; }
.block-bonus__title { margin-bottom: var(--space-4); }
.block-bonus__grid { display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.block-bonus__image { border-radius: var(--radius); margin-bottom: var(--space-2); aspect-ratio: 16/10; object-fit: cover; }
.block-bonus__item-title { margin-bottom: 0.3rem; }
.block-bonus__item-description { color: var(--color-text-muted); margin-bottom: var(--space-1); }
.block-bonus__value { font-weight: 600; color: var(--brand-secondary); font-size: 0.9rem; }

/* ============================================
   GARANTIA
   ============================================ */
.block-guarantee__container {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    gap: var(--space-3);
    align-items: center;
    flex-wrap: wrap;
}
.block-guarantee__badge { width: 96px; flex-shrink: 0; }
.block-guarantee__days { color: var(--brand-secondary); font-weight: 700; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.05em; margin-bottom: 0.4rem; }
.block-guarantee__text { color: var(--color-text-muted); }

/* ============================================
   TEXTO LIVRE
   ============================================ */
.block-free-text__container { max-width: 680px; margin: 0 auto; }
.block-free-text__title { margin-bottom: var(--space-2); }
.block-free-text__text { color: var(--color-text-muted); }