/* ===========================
   CSS RESET (minimal)
   =========================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  height: auto;
}

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

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

ul, ol {
  list-style: none;
}

/* ===========================
   CUSTOM PROPERTIES
   =========================== */
:root {
  /* Colors */
  --color-primary: #6B2FA0;
  --color-primary-dark: #4A1D73;
  --color-primary-light: #8B4FC6;
  --color-primary-bg: #F3ECF9;

  --color-bg: #FAF7F2;
  --color-bg-alt: #FFFFFF;
  --color-text: #1A1A2E;
  --color-text-light: #4A4A5A;
  --color-text-muted: #8A8A9A;
  --color-border: #E8E0D8;

  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #1DA851;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-hero: clamp(2rem, 5vw, 3.25rem);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-section: clamp(3rem, 8vw, 5.5rem);

  /* Layout */
  --container-max: 1140px;
  --container-padding: 1.25rem;
  --radius: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* ===========================
   BASE STYLES
   =========================== */
body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
}

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

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

.section__title {
  font-size: var(--font-size-2xl);
  text-align: center;
  margin-bottom: var(--space-md);
}

.section__subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--space-2xl);
  font-size: var(--font-size-lg);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  z-index: 9999;
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-md);
}

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 600;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}

.btn--whatsapp {
  background-color: var(--color-whatsapp);
  color: #fff;
}

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

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

.btn--large {
  padding: 1.125rem 2.5rem;
  font-size: var(--font-size-lg);
}

/* ===========================
   HEADER / NAV
   =========================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.header--scrolled {
  background-color: rgba(250, 247, 242, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav__logo img {
  display: block;
  height: 44px;
  width: auto;
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  z-index: 110;
}

.nav__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

/* Hamburger animation */
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background-color: var(--color-bg-alt);
  padding: 100px var(--space-xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  transition: right var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: 105;
}

.nav__menu--open {
  right: 0;
}

.nav__link {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
  padding: var(--space-xs) 0;
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-primary);
}

.nav__link--cta {
  background-color: var(--color-primary);
  color: #fff;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  text-align: center;
  font-weight: 600;
}

.nav__link--cta:hover {
  background-color: var(--color-primary-dark);
  color: #fff;
}

.no-scroll {
  overflow: hidden;
}

/* ===========================
   HERO
   =========================== */
.hero {
  padding-top: calc(70px + var(--space-section));
  padding-bottom: var(--space-section);
  background: linear-gradient(135deg, var(--color-primary-bg) 0%, var(--color-bg) 50%, #fff 100%);
  text-align: center;
}

.hero__content {
  max-width: 720px;
  margin-inline: auto;
}

.hero__title {
  font-size: var(--font-size-hero);
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.hero__title strong {
  color: var(--color-primary);
}

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

/* ===========================
   SOBRE (About)
   =========================== */
.sobre {
  padding-block: var(--space-section);
  background-color: var(--color-bg-alt);
}

.sobre__text {
  max-width: 700px;
  margin-inline: auto;
  text-align: center;
  font-size: var(--font-size-lg);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
}

.sobre__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  text-align: center;
}

.sobre__stat {
  padding: var(--space-xl);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.sobre__stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.sobre__stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===========================
   SERVICOS (Services)
   =========================== */
.servicos {
  padding-block: var(--space-section);
}

.servicos__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.servico-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.servico-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.servico-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-bg);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.servico-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.servico-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===========================
   RESULTADOS (Results)
   =========================== */
.resultados {
  padding-block: var(--space-section);
  background-color: var(--color-bg-alt);
}

.resultados__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.resultado-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.resultado-card__images {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.resultado-card__before,
.resultado-card__after {
  position: relative;
}

.resultado-card__label {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  background-color: rgba(26, 26, 46, 0.7);
  color: #fff;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 1;
}

.resultado-card__label--after {
  background-color: var(--color-primary);
}

.resultado-card__caption {
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  text-align: center;
  font-weight: 500;
}

.resultado-card img {
  width: 100%;
  height: auto;
  display: block;
}

.resultados__cta {
  text-align: center;
}

/* Placeholder images */
.placeholder-img {
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, #e0d6c8, #d4c9bb);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.placeholder-img--after {
  background: linear-gradient(135deg, var(--color-primary-bg), #dbc8f0);
}

/* ===========================
   DEPOIMENTOS (Testimonials)
   =========================== */
.depoimentos {
  padding-block: var(--space-section);
}

.depoimentos__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.depoimento-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
}

.depoimento-card::before {
  content: '\201C';
  position: absolute;
  top: var(--space-md);
  left: var(--space-lg);
  font-size: 3rem;
  color: var(--color-primary-bg);
  font-family: Georgia, serif;
  line-height: 1;
}

.depoimento-card__text {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.depoimento-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.depoimento-card__avatar,
.placeholder-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.placeholder-avatar {
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.depoimento-card__name {
  display: block;
  font-style: normal;
  font-weight: 600;
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.depoimento-card__role {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.depoimento-card__stars {
  color: #F5A623;
  font-size: var(--font-size-sm);
  letter-spacing: 2px;
  display: block;
  margin-top: var(--space-xs);
}

.section__subtitle .stars {
  color: #F5A623;
}

/* ===========================
   CTA FINAL
   =========================== */
.cta-final {
  padding-block: var(--space-section);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  text-align: center;
  color: #fff;
}

.cta-final__title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  color: #fff;
  margin-bottom: var(--space-md);
}

.cta-final__text {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xl);
  max-width: 550px;
  margin-inline: auto;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  padding-block: var(--space-2xl);
  background-color: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.footer__tagline {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
  margin-top: var(--space-sm);
}

.footer__social a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer__social a:hover {
  color: #fff;
}

.footer__copy {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.4);
}

/* ===========================
   WHATSAPP FLUTUANTE
   =========================== */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 56px;
  height: 56px;
  background-color: var(--color-whatsapp);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 90;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: var(--color-whatsapp-dark);
}

/* ===========================
   ANIMATIONS
   =========================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   FOCUS STYLES
   =========================== */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ===========================
   REDUCED MOTION
   =========================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}

/* ===========================
   RESPONSIVE - Tablet (640px)
   =========================== */
@media (min-width: 640px) {
  .sobre__stats {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

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

/* ===========================
   RESPONSIVE - Desktop (1024px)
   =========================== */
@media (min-width: 1024px) {
  :root {
    --container-padding: 2rem;
  }

  .nav__toggle {
    display: none;
  }

  .nav__menu {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: var(--space-xl);
    box-shadow: none;
  }

  .nav__link {
    font-size: var(--font-size-sm);
  }

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

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

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

/* ===========================
   FAQ Section
   =========================== */
.faq {
  padding-block: var(--space-section);
}

.faq__list {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq__item {
  background: #fff;
  border: 1px solid #e8e0f0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq__question {
  padding: var(--space-lg);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question::after {
  content: '+';
  float: right;
  font-size: 1.25rem;
  color: var(--color-primary);
  font-weight: 700;
  transition: var(--transition-fast);
}

.faq__item[open] .faq__question::after {
  content: '\2212';
}

.faq__answer {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}