/* ==========================================================================
   ETAPAS 2, 3, 4 — Design System, cores, tipografia, componentes, motion
   Fonte: Fase 3 (Direção de Arte + Design System Visual)
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

:root {
  /* --- Cores (Fase 3, seção 3) --- */
  --color-primary: #7C8B75;        /* verde sálvia */
  --color-primary-dark: #566052;   /* verde sálvia escuro */
  --color-accent: #C9A66B;         /* dourado suave */
  --color-bg: #FAF7F1;             /* off-white */
  --color-surface: #F3EEE4;        /* bege suave */
  --color-divider: #E4DFD3;        /* cinza elegante */
  --color-text: #2E2B26;           /* off-black */
  --color-text-muted: #6B655C;     /* cinza morno */
  --color-state: #B5654F;          /* terracota discreto */

  /* --- Tons pastéis (variedade, além do bege) --- */
  --color-pastel-blue: #E7EEEC;    /* verde-água suave */
  --color-pastel-rose: #F3E6E2;    /* rosa-terroso suave */
  --color-pastel-gold: #F5EEDD;    /* dourado suave em fundo */
  --color-surface-warm: #EFE3CE;   /* bege mais quente, para o Convite */

  /* --- Tipografia (Fase 3, seção 4) --- */
  --font-display: 'Fraunces', serif;
  --font-body: 'Work Sans', sans-serif;

  /* --- Espaçamento (Fase 3, seção 6) --- */
  --space-xs: 8px;
  --space-s: 16px;
  --space-m: 24px;
  --space-l: 40px;
  --space-xl: 64px;
  --space-xxl: 96px;
  --space-xxxl: 160px;

  /* --- Grid (Fase 3, seção 5) --- */
  --container-max: 1140px;
  --margin-desktop: 80px;
  --margin-tablet: 48px;
  --margin-mobile: 24px;

  /* --- Motion (Fase 3, seção 10) --- */
  --ease-calm: cubic-bezier(0.22, 1, 0.36, 1);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 var(--space-s);
}
h1 { font-size: clamp(36px, 6vw, 72px); letter-spacing: -0.02em; line-height: 1.1; margin-bottom: var(--space-m); }
h2 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -0.01em; margin-bottom: var(--space-m); }
h3 { font-size: clamp(20px, 2.5vw, 26px); }

h2:not(.section-hero h2, .section-convite h2)::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--color-primary);
  margin-top: var(--space-xs);
  opacity: 0.6;
}

p { margin: 0 0 var(--space-s); color: var(--color-text); }
.kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}
.facts-block {
  margin-top: var(--space-m);
  padding-left: var(--space-m);
  border-left: 2px solid var(--color-divider);
}
.facts-block p { margin: 0 0 6px; font-size: 15px; }
.facts-block p:last-child { margin-bottom: 0; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-surface);
  color: var(--color-primary-dark);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: var(--space-m);
}
.hero-divider { color: var(--color-divider); font-weight: 300; }
.hero-title-accent { color: var(--color-primary); position: relative; display: inline-block; }
.hero-title-accent::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 48px;
  height: 2px;
  background: var(--color-accent);
}
.hero-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  color: var(--color-text-muted);
  margin-top: var(--space-s);
}
.hero-subheadline { color: var(--color-text-muted); }

.section-intro { text-align: center; }
.intro-inner { max-width: 640px; margin-inline: auto; }
.intro-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-s);
}
.intro-text { color: var(--color-text-muted); }
.intro-text strong { color: var(--color-text); font-weight: 500; }

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

/* --- Acessibilidade --- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-xs) var(--space-s);
  z-index: 100;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; top: 0; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--margin-mobile);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--margin-tablet); }
}
@media (min-width: 1200px) {
  .container { padding-inline: var(--margin-desktop); }
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 247, 241, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-divider);
}
.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: var(--space-m);
}
.logo img { border-radius: 4px; }
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-m);
}
.nav-list {
  display: flex;
  gap: var(--space-m);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-list a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 200ms var(--ease-calm);
}
.nav-list a:hover { color: var(--color-primary); }
@media (max-width: 767px) {
  .nav-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg);
    box-shadow: 0 12px 24px rgba(46, 43, 38, 0.08);
    padding: var(--space-s) var(--margin-mobile);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    pointer-events: none;
    transition: opacity 220ms var(--ease-calm), transform 220ms var(--ease-calm), visibility 220ms;
  }
  .nav-list.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }
  .nav-list a {
    display: block;
    padding: var(--space-s) 0;
    border-bottom: 1px solid var(--color-divider);
  }
  .nav-list li:last-child a { border-bottom: none; }
}

/* --- Menu hambúrguer (mobile) --- */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: background-color 200ms var(--ease-calm);
}
.menu-toggle:hover, .menu-toggle:focus-visible { background: var(--color-surface); }
@media (max-width: 767px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }
}
.menu-toggle .bar {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 1px;
  background: var(--color-text);
  margin: 2.5px 0;
  transition: transform 250ms var(--ease-calm), opacity 200ms var(--ease-calm);
}
.menu-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-4.5px) rotate(-45deg); }

/* --- Botões --- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 16px;
  transition: background-color 200ms var(--ease-calm);
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
  border: none;
}
.btn-primary:hover { background: var(--color-primary-dark); }
.nav-cta { padding: 10px 20px; font-size: 15px; }
.btn-large { padding: 18px 36px; font-size: 17px; }

/* --- Seções --- */
.section { padding-block: var(--space-xl); position: relative; isolation: isolate; }
.section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.035;
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 0;
}
.section + .section { border-top: 1px solid var(--color-divider); }
@media (min-width: 768px) {
  .section { padding-block: var(--space-xxl); }
}
.section-hero, .section-convite {
  padding-block: var(--space-xl);
}
@media (min-width: 768px) {
  .section-hero, .section-convite { padding-block: var(--space-xxxl); }
}
.section-convite {
  text-align: center;
  background: var(--color-surface-warm);
}

/* --- Hero --- */
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-l);
  align-items: center;
}
@media (min-width: 768px) {
  .hero-inner { grid-template-columns: 2fr 3fr; gap: var(--space-xl); align-items: center; }
}
.hero-photo { position: relative; max-width: 380px; margin-inline: auto; }
@media (min-width: 768px) {
  .hero-photo { max-width: 100%; }
}
.hero-photo::before {
  content: '';
  position: absolute;
  top: -14px;
  left: -14px;
  right: -14px;
  bottom: -14px;
  background: linear-gradient(135deg, var(--color-pastel-blue), var(--color-pastel-gold));
  border-radius: 20px;
  z-index: 0;
}
.hero-photo img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 8px solid var(--color-bg);
  outline: 1px solid var(--color-divider);
  outline-offset: -1px;
  box-shadow: 0 20px 48px rgba(46, 43, 38, 0.16);
}

/* --- Sobre --- */
.sobre-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-l);
  align-items: center;
}
@media (min-width: 768px) {
  .sobre-inner { grid-template-columns: 4fr 8fr; gap: var(--space-xl); }
}
.sobre-photo img {
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(46, 43, 38, 0.12);
}

/* --- Como funciona --- */
.steps-list {
  list-style: none;
  margin: var(--space-xl) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-l);
}
@media (min-width: 768px) {
  .steps-list { grid-template-columns: repeat(3, 1fr); gap: var(--space-m); }
}
.step {
  position: relative;
  background: var(--color-bg);
  border-radius: 16px;
  padding: var(--space-l) var(--space-m);
  box-shadow: 0 4px 16px rgba(46, 43, 38, 0.08);
  border: 1px solid var(--color-divider);
}
.step-number {
  position: absolute;
  top: var(--space-m);
  right: var(--space-m);
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--color-divider);
}
.step-icon { display: block; margin-bottom: var(--space-s); }
.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-primary);
  box-shadow: 0 2px 10px rgba(86, 96, 82, 0.08);
}

/* --- Sessões --- */
.cards-grid {
  margin-top: var(--space-l);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-m);
}
@media (min-width: 768px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(4, 1fr); }
}
.section-diferenciais { background: var(--color-pastel-blue); }
.section-sobre { background: var(--color-surface); }
.section-sessoes { background: var(--color-pastel-rose); }

/* --- Para quem é --- */
.section-valores { background: var(--color-pastel-gold); }
.valores-subtitle { font-size: 14px; color: var(--color-text-muted); margin-top: -8px; }
.valores-grid {
  margin-top: var(--space-l);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-m);
}
@media (min-width: 768px) {
  .valores-grid { grid-template-columns: 1fr 1fr; gap: var(--space-l); }
}
.valores-card {
  background: var(--color-bg);
  border-radius: 16px;
  padding: var(--space-l);
  box-shadow: 0 4px 20px rgba(46, 43, 38, 0.05);
}
.valores-card h3 { margin-bottom: var(--space-m); }
.valores-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.valores-list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-m) 0;
  border-top: 1px solid var(--color-divider);
}
.valores-list li:first-child { border-top: none; }
.valor-label { color: var(--color-text-muted); font-size: 15px; }
.valor-price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; }
.valor-price strong {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  color: var(--color-primary-dark);
}
.valor-price em {
  font-style: normal;
  font-size: 13px;
  color: var(--color-text-muted);
}
.identificacao-list {
  list-style: none;
  margin: var(--space-l) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
}
.identificacao-list li {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  background: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  border-radius: 8px;
  padding: var(--space-m) var(--space-l);
}

/* --- FAQ / Accordion --- */
.accordion {
  margin-top: var(--space-l);
  background: var(--color-surface);
  border-radius: 16px;
  padding: 0 var(--space-l);
  box-shadow: 0 4px 20px rgba(46, 43, 38, 0.05);
}
.accordion-item + .accordion-item { border-top: 1px solid var(--color-divider); }
.accordion-item h3 { margin: 0; font-family: var(--font-body); font-weight: 500; font-size: 17px; }
.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-m) 0;
  background: none;
  border: none;
  text-align: left;
  font: inherit;
  color: var(--color-text);
  cursor: pointer;
}
.accordion-icon {
  color: var(--color-primary);
  transition: transform 250ms var(--ease-calm);
}
.accordion-trigger[aria-expanded="true"] .accordion-icon { transform: rotate(45deg); }
.accordion-panel { padding-bottom: var(--space-m); }
.accordion-panel[hidden] { display: none; }

/* --- Footer --- */
.footer-inner {
  padding-block: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-m);
}
.footer-inner address { font-style: normal; color: var(--color-text-muted); font-size: 14px; }
.footer-inner address p { margin: 0 0 4px; }

/* ==========================================================================
   MOTION — entrada ao rolar (Fase 3, seção 10)
   fade + deslocamento vertical 12px, 500-600ms, ease-calm
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms var(--ease-calm), transform 600ms var(--ease-calm);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}