/* ============================================
   DESIGN SYSTEM — E-book Escolas Literárias
   Marca: Alencar Schueroff
   Font: Gotham
   ============================================ */

/* --- Font Face (Gotham) --- */
@font-face {
  font-family: 'Gotham';
  src: url('assets/fonts/Gotham-Book.woff2') format('woff2'),
       url('assets/fonts/Gotham-Book.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Gotham';
  src: url('assets/fonts/Gotham-Medium.woff2') format('woff2'),
       url('assets/fonts/Gotham-Medium.woff') format('woff');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Gotham';
  src: url('assets/fonts/Gotham-Bold.woff2') format('woff2'),
       url('assets/fonts/Gotham-Bold.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Gotham';
  src: url('assets/fonts/Gotham-Black.woff2') format('woff2'),
       url('assets/fonts/Gotham-Black.woff') format('woff');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

/* --- Custom Properties --- */
:root {
  /* Cores — quentes (identidade do e-book) + roxo só nos CTAs (marca) */
  --color-accent: #C0392B;
  --color-accent-light: #E8D5C4;
  --color-warm: #D4442A;
  --color-warm-light: rgba(192, 57, 43, 0.08);
  --color-cta: #2EAE5B;
  --color-cta-hover: #258F4A;
  --color-highlight-yellow: rgba(245, 197, 24, 0.35);
  --color-bg: #FFFFFF;
  --color-bg-alt: #FAF8F5;
  --color-bg-dark: #2C2C2C;
  --color-text: #1A1A1A;
  --color-text-light: #5A5A5A;
  --color-text-inverse: #FFFFFF;
  --color-border: #E5DDD5;
  --color-success: #2ECC71;
  --color-guarantee: #27AE60;

  /* Tipografia */
  --font-family: 'Gotham', 'Inter', 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2.25rem;
  --font-size-3xl: 2.625rem;
  --font-size-4xl: 3rem;
  --font-size-price: 3.5rem;

  /* Espaçamento */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --section-padding: 5rem 1.5rem;

  /* Outros */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-full: 4px;
  --shadow-sm: 4px 4px 8px rgba(0,0,0,0.12);
  --shadow-md: 6px 6px 9px rgba(0,0,0,0.2);
  --shadow-lg: 12px 12px 50px rgba(0,0,0,0.4);
  --transition: 0.3s ease;
  --max-width: 900px;
  --max-width-wide: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: 1.125rem;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul, ol {
  list-style: none;
}

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Section Base --- */
.section {
  padding: var(--section-padding);
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

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

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

.text-mark {
  background: linear-gradient(180deg, transparent 55%, var(--color-highlight-yellow) 55%);
  padding: 0 4px;
}

.section-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-light);
  margin-top: var(--space-sm);
  line-height: 1.6;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.667em 1.333em;
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  font-weight: 700;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  line-height: 1.3;
}

.btn--cta {
  background: var(--color-cta);
  color: var(--color-text-inverse);
}

.btn--cta:hover {
  background: var(--color-cta-hover);
}

.btn--primary {
  background: var(--color-cta);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background: var(--color-cta-hover);
}

.btn--outline {
  background: transparent;
  color: var(--color-cta);
  border: 2px solid var(--color-cta);
}

.btn--outline:hover {
  background: var(--color-cta);
  color: var(--color-text-inverse);
}

.btn--lg {
  padding: 0.8em 1.6em;
  font-size: var(--font-size-lg);
}

/* --- Cards --- */
.card {
  background: var(--color-bg);
  border-radius: 0;
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-bg-alt);
  padding: 0.4rem 1rem;
  border-radius: 0;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-light);
}

/* --- Mid CTA --- */
.mid-cta {
  padding: var(--space-xl) 1.5rem;
}

.mid-cta__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

/* --- Divider --- */
.divider {
  width: 60px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 0;
  margin: var(--space-md) auto;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  padding: 4rem 1.5rem 0;
  background: var(--color-bg);
  min-height: 80vh;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: end;
  max-width: var(--max-width-wide);
  min-height: calc(80vh - 4rem);
}

.hero__content {
  align-self: center;
}

.hero__tag {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  padding: 0.4rem 1.2rem;
  border-radius: 0;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-md);
}

.hero__title {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.hero__cta {
  margin-bottom: var(--space-md);
}

.hero__proof {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.hero__proof svg {
  color: var(--color-success);
  flex-shrink: 0;
}

.hero__image {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  align-self: flex-end;
}

.hero__mockup {
  max-width: 100%;
  width: 100%;
}

/* ============================================
   PAIN / IDENTIFICATION SECTION
   ============================================ */
.pain__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  max-width: var(--max-width-wide);
  margin: 0 auto;
}

.pain__intro {
  font-size: var(--font-size-xl);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
}

.pain__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.pain__item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  font-size: var(--font-size-md);
  line-height: 1.5;
}

.pain__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: #FDECEA;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #E74C3C;
  font-size: 14px;
  margin-top: 2px;
}

.pain__result {
  margin-top: var(--space-2xl);
  text-align: center;
}

.pain__result-img {
  width: 100%;
  max-width: var(--max-width-wide);
  height: 360px;
  object-fit: cover;
  object-position: center 30%;
  margin: 0 auto var(--space-lg);
}

.pain__transition {
  font-size: var(--font-size-xl);
  font-weight: 700;
  text-align: center;
  color: var(--color-text);
}

.pain__body {
  font-size: var(--font-size-md);
  line-height: 1.7;
  color: var(--color-text-light);
}

.pain__heading {
  margin-bottom: var(--space-lg);
}


/* ============================================
   AUTHOR / AUTHORITY SECTION
   ============================================ */
.author__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  max-width: var(--max-width-wide);
  margin: 0 auto;
}

.author__photo-wrap {
  text-align: center;
}

.author__photo {
  width: 100%;
  height: auto;
  border-radius: 0;
  object-fit: cover;
}

.author__name {
  font-size: var(--font-size-xl);
  font-weight: 900;
  margin-bottom: var(--space-xs);
}

.author__role {
  color: var(--color-accent);
  font-weight: 700;
  font-size: var(--font-size-md);
  margin-bottom: var(--space-md);
}

.author__bio {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.author__stats {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: 1.6;
}

.author__stats strong {
  color: var(--color-accent);
  font-weight: 700;
}

.author__stat-item {
  white-space: nowrap;
}

/* ============================================
   PRODUCT SECTION
   ============================================ */
.product__grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-3xl);
  align-items: center;
  max-width: var(--max-width-wide);
  margin: 0 auto;
}

.product__image {
  display: flex;
  justify-content: center;
}

.product__stack {
  position: relative;
  width: 300px;
  cursor: pointer;
}

.product__stack-back,
.product__stack-front {
  width: 100%;
  box-shadow: var(--shadow-sm);
}

.product__stack-back {
  display: block;
  transition: transform 0.5s ease, z-index 0s 0.25s;
  position: relative;
  z-index: 1;
}

.product__stack-front {
  position: absolute;
  top: 0;
  left: 0;
  transition: transform 0.5s ease, z-index 0s 0.25s;
  z-index: 2;
  transform: translate(15px, 15px);
}

.product__stack:hover .product__stack-front {
  transform: translate(-15px, -15px);
  z-index: 0;
}

.product__stack:hover .product__stack-back {
  transform: translate(15px, 15px);
  z-index: 2;
}

.product__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.product__feature {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.product__feature-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: #E8F5E9;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
  font-size: 14px;
  margin-top: 2px;
}

.product__feature-text {
  font-size: var(--font-size-md);
  line-height: 1.5;
}

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

.product__subtitle {
  margin-bottom: var(--space-md);
}

/* ============================================
   FOR WHO SECTION
   ============================================ */
.forwho__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  max-width: var(--max-width-wide);
  margin-left: auto;
  margin-right: auto;
}

.forwho__column h3 {
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.forwho__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.forwho__item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  font-size: var(--font-size-base);
  line-height: 1.5;
}

.forwho__column--yes {
  border-top: 4px solid var(--color-success);
}

.forwho__column--no {
  border-top: 4px solid #E74C3C;
}

.forwho__icon {
  font-size: 1.5rem;
}

.forwho__icon--yes {
  color: var(--color-success);
}

.forwho__icon--no {
  color: #E74C3C;
}

.forwho__arrow--yes {
  color: var(--color-success);
}

.forwho__arrow--no {
  color: #E74C3C;
}

/* ============================================
   SOCIAL PROOF SECTION
   ============================================ */

/* --- Social Gallery --- */
.social-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  max-width: var(--max-width-wide);
  margin-left: auto;
  margin-right: auto;
}

.social-gallery__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  max-width: var(--max-width-wide);
  margin-left: auto;
  margin-right: auto;
}

.testimonial {
  background: var(--color-bg);
  border-radius: 0;
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-accent);
}

.testimonial__text {
  font-size: var(--font-size-base);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.testimonial__avatar-img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial__name {
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.testimonial__role {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.testimonials__note {
  margin-top: var(--space-lg);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq__list {
  max-width: 750px;
  margin: var(--space-2xl) auto 0;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-md) 0;
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text);
  transition: color var(--transition);
}

.faq__question:hover {
  color: var(--color-accent);
}

.faq__chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform var(--transition);
}

.faq__item.active .faq__chevron {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq__item.active .faq__answer {
  max-height: 300px;
  padding-bottom: var(--space-md);
}

.faq__answer p {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================
   PRICING / OFFER SECTION
   ============================================ */
.pricing {
  text-align: center;
  max-width: var(--max-width-wide);
  margin-left: auto;
  margin-right: auto;
}

.pricing__card {
  max-width: var(--max-width-wide);
  margin: var(--space-2xl) auto 0;
  background: var(--color-bg);
  border-radius: 0;
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  border: 3px solid var(--color-accent);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.pricing__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--color-accent);
}

.pricing__stack {
  margin-bottom: var(--space-lg);
}

.pricing__stack-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  font-size: var(--font-size-base);
  border-bottom: 1px dashed var(--color-border);
}

.pricing__stack-item span:last-child {
  color: var(--color-text-light);
  text-decoration: line-through;
}

.pricing__total {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  font-weight: 700;
  font-size: var(--font-size-lg);
  border-bottom: 2px solid var(--color-text);
}

.pricing__price {
  margin: var(--space-lg) 0;
}

.pricing__old-price {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  text-decoration: line-through;
}

.pricing__current-price {
  font-size: var(--font-size-price);
  font-weight: 900;
  color: var(--color-accent);
  display: block;
  line-height: 1.1;
}

.pricing__installments {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--space-xs);
}

.pricing__guarantee {
  margin-top: var(--space-lg);
  padding: var(--space-sm) var(--space-md);
  background: #E8F5E9;
  font-size: var(--font-size-sm);
  color: var(--color-guarantee);
  font-weight: 600;
  text-align: center;
  line-height: 1.5;
}

.pricing__guarantee svg {
  display: none;
}

.pricing__cta {
  width: 100%;
  animation: stick-pulse 2s ease-in-out infinite;
}

.pricing__badges {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  flex-wrap: nowrap;
}

.pricing__badges-mobile {
  display: none;
  margin-top: var(--space-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  text-align: center;
}

.badge {
  white-space: nowrap;
  font-size: var(--font-size-xs);
  padding: 0.3rem 0.6rem;
}

/* ============================================
   BRIDGE / UPSELL SECTION
   ============================================ */
.bridge {
  text-align: center;
  position: relative;
}

.section--bridge {
  background: #EDE4D8 url('assets/bg-teia.webp') no-repeat left 20%;
  background-size: cover;
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  padding: var(--space-3xl) 1.5rem;
}

.section--bridge::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(237, 228, 216, 0.15) 0%, rgba(237, 228, 216, 0.6) 35%, rgba(237, 228, 216, 0.92) 55%);
}

.section--bridge .container {
  position: relative;
  z-index: 1;
  max-width: var(--max-width-wide);
}

.bridge__card {
  max-width: 50%;
  margin: 0 0 0 auto;
  padding: 0;
  text-align: left;
}

.bridge__card h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-sm);
}

.bridge__content {
  position: relative;
  z-index: 1;
}

.bridge__text {
  margin-top: var(--space-sm);
  color: var(--color-text-light);
  line-height: 1.7;
}

.bridge__btn {
  margin-top: var(--space-lg);
}

/* ============================================
   FOOTER CTA
   ============================================ */
.footer-cta {
  text-align: center;
  padding: var(--space-3xl) var(--space-md);
  background: var(--color-bg-alt);
  color: var(--color-text);
  border-top: 4px solid var(--color-accent);
}

.footer-cta__lead {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.footer-cta h2 {
  margin-bottom: var(--space-md);
}

.footer-cta p {
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-md);
  color: var(--color-text-light);
}

/* --- Hero delivery --- */
.hero__delivery {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--space-xs);
}

/* --- Pricing includes --- */
.pricing__left {
  text-align: left;
}

.pricing__right {
  text-align: center;
}

.pricing__product-img {
  width: 100%;
  height: auto;
  margin-bottom: var(--space-md);
}

.pricing__includes {
  text-align: left;
  margin-bottom: var(--space-lg);
}

.pricing__includes-title {
  font-weight: 700;
  font-size: var(--font-size-md);
  margin-bottom: var(--space-sm);
}

.pricing__includes-item {
  padding: var(--space-xs) 0;
  font-size: var(--font-size-base);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.pricing__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pricing__anchor {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--space-xs);
  font-style: italic;
}

/* --- Sticky CTA --- */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
}

.sticky-cta__card {
  background: var(--color-bg);
  padding: 0.75rem 1.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  border: 1px solid var(--color-border);
}

.sticky-cta__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  white-space: nowrap;
}

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

.sticky-cta__btn {
  font-size: var(--font-size-sm);
  padding: 0.5em 1.25em;
  white-space: nowrap;
  animation: stick-pulse 2s ease-in-out infinite;
}

@keyframes stick-pulse {
  0%, 100% { box-shadow: 0 2px 10px rgba(46, 174, 91, 0.3); }
  50% { box-shadow: 0 2px 20px rgba(46, 174, 91, 0.6); }
}

.sticky-cta.visible {
  display: block;
}

@media (max-width: 600px) {
  .sticky-cta__card {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    text-align: center;
  }
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 900px) {
  :root {
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.75rem;
    --font-size-price: 2.75rem;
    --section-padding: 3.5rem 1.25rem;
  }

  /* Hero tablet */
  .hero {
    min-height: auto;
    overflow: visible;
    padding: 2.5rem 1.25rem 0;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-md);
  }

  .hero__image {
    order: -1;
    align-self: center;
  }

  .hero__mockup {
    max-width: 300px;
    margin: 0 auto;
  }

  .hero__proof {
    justify-content: center;
  }

  /* Grids → 1 coluna */
  .pain__grid,
  .product__grid,
  .author__grid,
  .forwho__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .author__photo {
    margin: 0 auto;
    max-width: 350px;
  }

  .author__info {
    text-align: center;
  }

  .product__mockup {
    margin: 0 auto;
    max-width: 250px;
  }

  .pain__item,
  .product__feature,
  .forwho__item {
    text-align: left;
  }

  /* Bridge */
  .pricing {
    max-width: 100%;
  }

  .pricing__card {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .pricing__left,
  .pricing__right {
    text-align: center;
  }

  .section--bridge {
    min-height: 350px;
    background-position: 30% 20%;
    background-size: 300%;
  }

  .section--bridge::before {
    background: rgba(237, 228, 216, 0.75);
  }

  .bridge__card {
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
    background: rgba(255, 255, 255, 0.6);
    padding: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    backdrop-filter: blur(4px);
    font-weight: 500;
  }

  .bridge__text {
    font-weight: 500;
  }

  /* Testimonials */
  .testimonials__grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 600px) {
  :root {
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.4rem;
    --font-size-xl: 1.15rem;
    --font-size-price: 2.25rem;
    --section-padding: 2.5rem 1rem;
    --max-width-wide: 100%;
    --max-width: 100%;
  }

  *, *::before, *::after {
    max-width: 100%;
    box-sizing: border-box;
  }

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

  .container {
    padding: 0 1rem;
    overflow: hidden;
  }

  /* Hero mobile — imagem em cima tocando seção abaixo, fundo branco */
  .hero {
    padding: 1rem 1rem 0;
    background: var(--color-bg);
  }

  .hero .container {
    gap: 0.5rem;
    display: flex;
    flex-direction: column;
    text-align: center;
  }

  .hero__image {
    order: -1;
    display: flex;
    justify-content: center;
    width: 100%;
  }

  .hero__mockup {
    max-width: 180px;
    margin: 0 auto;
  }

  .hero__content {
    padding-bottom: 1.5rem;
  }

  .hero__tag {
    font-size: var(--font-size-xs);
    padding: 0.25rem 0.7rem;
    margin-bottom: 0.25rem;
  }

  .hero__title {
    margin-bottom: 0.4rem;
  }

  .hero__subtitle {
    font-size: var(--font-size-sm);
    margin-bottom: 0.5rem;
    line-height: 1.5;
  }

  .hero__cta {
    margin-bottom: 0.25rem;
  }

  .hero__proof {
    font-size: var(--font-size-xs);
    justify-content: center;
  }

  .hero__proof svg {
    display: none;
  }

  .hero__delivery {
    font-size: var(--font-size-xs);
    text-align: center;
  }

  /* Botões mobile */
  .btn {
    padding: 0.6em 1.2em;
    font-size: var(--font-size-base);
  }

  .btn--lg {
    padding: 0.7em 1.3em;
    font-size: var(--font-size-base);
  }

  /* Dor */
  .pain__result-img {
    height: 200px;
  }

  .pain__intro {
    font-size: var(--font-size-md);
  }

  /* Autor */
  .author__grid {
    text-align: center;
  }

  .author__photo {
    max-width: 280px;
  }


  /* Produto */
  .product__stack {
    width: 220px;
    margin: 0 auto;
  }

  .product__stack-front {
    top: 10px;
    left: 10px;
  }

  /* Para quem */
  .forwho__grid {
    gap: var(--space-md);
  }

  /* Social gallery */
  .social-gallery {
    grid-template-columns: 1fr;
    max-width: 100%;
    gap: var(--space-sm);
  }

  .social-gallery__img {
    aspect-ratio: 16 / 9;
  }

  /* Pricing */
  .pricing {
    max-width: 100%;
  }

  .pricing__card {
    grid-template-columns: 1fr;
    padding: var(--space-md);
    max-width: 100%;
    box-sizing: border-box;
    gap: 0;
  }

  .pricing__left,
  .pricing__right {
    text-align: center;
    max-width: 100%;
    overflow: hidden;
  }

  .pricing__product-img {
    max-width: 100%;
    height: auto;
  }

  .pricing__badges {
    display: none;
  }

  .pricing__badges-mobile {
    display: block;
  }

  .pricing__cta {
    width: 100%;
    box-sizing: border-box;
  }

  /* Bridge */
  .section--bridge {
    min-height: 280px;
    padding: var(--space-2xl) 0.75rem;
  }

  .bridge__card {
    max-width: 100%;
  }

  .bridge__card h3 {
    font-size: var(--font-size-xl);
  }

  /* Sticky CTA mobile — barra full-width confortável */
  .sticky-cta {
    bottom: 0;
    left: 0;
    right: 0;
    transform: none;
    width: 100%;
  }

  .sticky-cta__card {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-left: none;
    border-right: none;
    border-bottom: none;
    width: 100%;
    text-align: left;
  }

  .sticky-cta__text {
    font-size: 0.9rem;
    line-height: 1.2;
    white-space: normal;
    flex: 1 1 auto;
    min-width: 0;
  }

  .sticky-cta__btn {
    font-size: 0.95rem;
    padding: 0.75em 1em;
    flex-shrink: 0;
    min-height: 44px;
  }
}

/* Telas muito estreitas (< 360px): esconder texto e deixar só o botão */
@media (max-width: 359px) {
  .sticky-cta__text {
    display: none;
  }

  .sticky-cta__btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

/* Depoimentos via DM (Instagram) */
.testimonials__dms {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: min(1100px, calc(100vw - 2rem));
  max-width: 1100px;
  margin: 0 auto;
  align-items: start;
}

.testimonials__dms img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

@media (max-width: 720px) {
  .testimonials__dms {
    grid-template-columns: 1fr;
    width: min(480px, calc(100vw - 2rem));
    max-width: 480px;
    gap: 16px;
  }
}

/* ============================================
   Checkout Form (pre-checkout capture)
   ============================================ */
.checkout-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 12px 0 16px;
  width: 100%;
}

.checkout-form__fields {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkout-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.checkout-form input {
  padding: 13px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
  min-height: 48px;
}

.checkout-form input::placeholder {
  color: #aaa;
}

.checkout-form input:focus {
  outline: none;
  border-color: var(--color-cta);
  box-shadow: 0 0 0 3px rgba(46, 174, 91, 0.12);
}

.checkout-form input.is-invalid {
  border-color: #c0392b;
}

.checkout-form__submit {
  width: 100%;
  margin-top: 4px;
}

.checkout-form__submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: grayscale(0.3);
}

.checkout-form__submit:disabled:hover {
  background: var(--color-cta);
}

.checkout-form__privacy {
  font-size: 0.78rem;
  color: var(--color-text-light);
  text-align: center;
  margin: 0;
}

@media (max-width: 480px) {
  .checkout-form__row {
    grid-template-columns: 1fr;
  }
}

.checkout-form__email-wrap {
  position: relative;
}

.checkout-form__suggest {
  display: block;
  width: 100%;
  background: #FFF8E1;
  border: 1px solid #F5C518;
  border-radius: 6px;
  padding: 8px 12px;
  margin-top: 6px;
  font-size: 0.85rem;
  color: #5A4500;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background 0.15s;
}

.checkout-form__suggest[hidden] {
  display: none;
}

.checkout-form__suggest:hover {
  background: #FFE99A;
}

.checkout-form__suggest strong {
  color: var(--color-accent);
}