/* ============================================================
   Catálogo Digital — Gomes Tintas
   Paleta e tokens espelham o site institucional (gomestintas.com.br)
   ============================================================ */

:root {
  --purple:       #7B2FBE;
  --purple-dark:  #5B1FA0;
  --purple-light: #F3EEFF;
  --orange:       #F97316;
  --orange-dark:  #EA6C10;
  --dark:         #1A1035;
  --gray-700:     #374151;
  --gray-500:     #6B7280;
  --gray-200:     #E5E7EB;
  --gray-100:     #F3F4F6;
  --white:        #FFFFFF;
  --cream:        #FAFAF8;

  --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
  --radius:       12px;
  --radius-lg:    20px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08);
  --shadow-md:    0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:    0 12px 40px rgba(0,0,0,.16);
  --transition:   all .3s ease;

  --page-pad-x: 20px;
  --page-pad-x-lg: 64px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--gray-700);
  background: var(--cream);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 { font-weight: 800; line-height: 1.15; color: var(--dark); margin: 0 0 12px; }
h1 { font-size: clamp(1.9rem, 6vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4.5vw, 2.2rem); }
h3 { font-size: clamp(1.15rem, 3vw, 1.5rem); }
p  { margin: 0 0 14px; }

/* ============================================================
   Estrutura de "páginas" (efeito revista, uma página por vez)
   ============================================================ */

#pages {
  height: 100svh;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
}

.page {
  min-height: 100svh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 88px var(--page-pad-x) 150px;
}

@media (min-width: 900px) {
  .page { padding: 96px var(--page-pad-x-lg) 110px; }
}

.page-inner { max-width: 1100px; margin: 0 auto; width: 100%; }
.page-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 10px;
}

/* ============================================================
   Marca d'água / identidade no topo e rodapé de cada página
   ============================================================ */

.page-brandbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--page-pad-x);
  font-size: .78rem;
  font-weight: 700;
  color: var(--white);
  background: linear-gradient(120deg, var(--purple-dark), var(--purple));
  z-index: 5;
}
@media (min-width: 900px) { .page-brandbar { padding: 18px var(--page-pad-x-lg); } }
.page-brandbar .pb-brand { text-transform: uppercase; letter-spacing: .05em; }
.page-brandbar .pb-gomes { opacity: .85; }

.page-counter {
  position: fixed;
  left: 18px; bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  z-index: 20;
  font-size: .75rem;
  font-weight: 700;
  color: var(--white);
  background: var(--dark);
  padding: 6px 12px;
  border-radius: 999px;
  opacity: .85;
}

/* ============================================================
   Navegação flutuante (índice + próxima/anterior)
   ============================================================ */

.nav-float {
  position: fixed;
  right: 16px; bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nav-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--purple);
  transition: var(--transition);
}
.nav-btn:hover { background: var(--purple); color: var(--white); border-color: var(--purple); }
.nav-btn.nav-home { color: var(--orange); }
.nav-btn.nav-home:hover { background: var(--orange); color: var(--white); border-color: var(--orange); }

/* ============================================================
   Placeholder de foto
   ============================================================ */

.photo-placeholder {
  width: 100%;
  min-width: 0;
  overflow: hidden;
  border: 2px dashed var(--gray-200);
  background: var(--gray-100);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--gray-500);
  font-size: .8rem;
  font-weight: 600;
  padding: 20px;
  line-height: 1.5;
}
.photo-placeholder small { display: block; font-weight: 400; margin-top: 4px; opacity: .8; }

.ph-16x9  { aspect-ratio: 16/9; }
.ph-4x3   { aspect-ratio: 4/3; }
.ph-1x1   { aspect-ratio: 1/1; }
.ph-3x4   { aspect-ratio: 3/4; }

/* ============================================================
   CAPA
   ============================================================ */

.cover {
  background: linear-gradient(160deg, var(--purple-dark) 0%, var(--purple) 55%, var(--orange-dark) 130%);
  color: var(--white);
  text-align: center;
  align-items: center;
  padding: 40px 20px;
}
.cover-logo { width: min(240px, 60vw); margin: 0 auto 28px; filter: drop-shadow(0 8px 24px rgba(0,0,0,.25)); }
.cover h1 { color: var(--white); }
.cover .cover-tag {
  font-size: 1.05rem;
  font-weight: 600;
  opacity: .92;
  margin-bottom: 32px;
}
.cover-scroll {
  margin-top: 40px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--white);
  opacity: .9;
  cursor: pointer;
}
.cover-scroll .chev { animation: bounce 1.6s infinite; }
@keyframes bounce { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(6px);} }

/* ============================================================
   ÍNDICE
   ============================================================ */

.index-page { background: var(--cream); }
.index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}
@media (min-width: 700px) { .index-grid { grid-template-columns: minmax(0,1fr) minmax(0,1fr); } }

.index-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: var(--transition);
}
.index-item:hover { border-color: var(--purple); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.index-item.disabled { opacity: .55; cursor: default; }
.index-item.disabled:hover { border-color: var(--gray-200); box-shadow: none; transform: none; }

.index-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--purple-light);
  color: var(--purple-dark);
  font-weight: 800;
  font-size: .85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.index-item.disabled .index-num { background: var(--gray-100); color: var(--gray-500); }
.index-text h4 { margin: 0 0 2px; font-size: 1rem; }
.index-text span { font-size: .8rem; color: var(--gray-500); }
.index-badge {
  margin-left: auto;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--orange);
  background: #FFF3EA;
  padding: 3px 9px;
  border-radius: 999px;
  flex-shrink: 0;
}

/* ============================================================
   RIBBON de seção / marca (título em destaque)
   ============================================================ */

.ribbon {
  display: inline-block;
  background: linear-gradient(120deg, var(--orange-dark), var(--orange));
  color: var(--white);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(1.3rem, 4vw, 2rem);
  padding: 10px 28px;
  border-radius: 0 999px 999px 0;
  margin: 0 0 24px -20px;
  box-shadow: var(--shadow-md);
}
@media (min-width: 900px) { .ribbon { margin-left: -64px; } }

/* ============================================================
   CAPA DE SEÇÃO
   ============================================================ */

.section-cover .section-photo { margin-bottom: 28px; }
.section-brands {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 26px;
}
.section-brand-chip {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--purple-dark);
}

.stub-page { text-align: center; align-items: center; }
.stub-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--purple-light);
  color: var(--purple-dark);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-weight: 800;
  font-size: 1.6rem;
}
.stub-page p.stub-note { color: var(--gray-500); max-width: 480px; margin: 0 auto; }

/* ============================================================
   PÁGINA DE MARCA
   ============================================================ */

.brand-header { display: flex; align-items: center; gap: 14px; margin-bottom: 6px; }
.brand-tagline { font-size: 1.05rem; color: var(--purple-dark); font-weight: 700; margin-bottom: 18px; }
.brand-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}
@media (min-width: 860px) { .brand-grid { grid-template-columns: minmax(0,1.1fr) minmax(0,.9fr); } }

.brand-diferenciais { display: grid; gap: 12px; margin-top: 20px; }
.brand-dif-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.brand-dif-item h4 { font-size: .95rem; margin-bottom: 4px; color: var(--purple-dark); }
.brand-dif-item p { font-size: .85rem; margin: 0; color: var(--gray-500); }

/* ============================================================
   BOTÃO WHATSAPP (CTA de orçamento)
   ============================================================ */

.btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; border-radius: 999px; padding: 13px 26px; font-size: .92rem; transition: var(--transition); }
.btn-whatsapp { background: #22C55E; color: var(--white); box-shadow: var(--shadow-sm); }
.btn-whatsapp:hover { background: #17A24A; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-outline { border: 2px solid var(--purple); color: var(--purple); }
.btn-outline:hover { background: var(--purple); color: var(--white); }

.cta-orcamento {
  margin-top: 24px;
  background: var(--white);
  border: 1px dashed var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
}
.cta-orcamento p { margin: 0; font-size: .9rem; color: var(--gray-500); max-width: 380px; }

.whatsapp-float {
  position: fixed;
  left: 18px; bottom: calc(74px + env(safe-area-inset-bottom, 0px));
  z-index: 20;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: #22C55E;
  color: var(--white);
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}
.whatsapp-float svg { width: 24px; height: 24px; }
@media (min-width: 700px) { .whatsapp-float { display: none; } }

/* ============================================================
   INSTITUCIONAL
   ============================================================ */

.inst-photos { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 12px; margin-top: 20px; }
.inst-values { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 22px; }
@media (min-width: 700px) { .inst-values { grid-template-columns: minmax(0,1fr) minmax(0,1fr); } }
.inst-value-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 16px 18px; }
.inst-value-card h4 { font-size: .95rem; margin-bottom: 4px; }
.inst-value-card p { font-size: .85rem; margin: 0; color: var(--gray-500); }

.edmilson-block {
  background: linear-gradient(135deg, var(--purple-dark), var(--dark));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 28px;
  display: grid;
  gap: 22px;
}
@media (min-width: 860px) { .edmilson-block { grid-template-columns: minmax(0,1fr) minmax(0,1fr); align-items: center; } }
.edmilson-block h3 { color: var(--white); }
.edmilson-block blockquote {
  border-left: 3px solid var(--orange);
  padding-left: 14px;
  font-style: italic;
  opacity: .95;
  margin: 14px 0;
}
.edmilson-photos { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 10px; }

/* ============================================================
   CONTATO
   ============================================================ */

.contact-list { display: grid; gap: 14px; margin-top: 20px; }
.contact-item { display: flex; gap: 12px; align-items: flex-start; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 14px 16px; }
.contact-item strong { display: block; font-size: .9rem; color: var(--dark); margin-bottom: 2px; }
.contact-item span, .contact-item a { font-size: .88rem; color: var(--gray-500); }
.social-row { display: flex; gap: 12px; margin-top: 18px; }
.social-row a {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--purple-light); color: var(--purple-dark);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.social-row a:hover { background: var(--purple); color: var(--white); }
.social-row svg { width: 19px; height: 19px; }