/* ==========================================================================
   RED CLEAN DESIGN SYSTEM
   --------------------------------------------------------------------------
   Arquitetura Visual: Minimalismo Suíço Contemporâneo (The Simple Gym Style)
   Paleta: Red Rubi + Vinho Profundo (Deep Wine/Cabernet) + Bege Nobre + Branco
   Tipografia: Plus Jakarta Sans (Grotesque), Space Mono (Technical), DM Serif Display
   --------------------------------------------------------------------------
   COMO USAR ESTE ARQUIVO:
   1. Importe no seu HTML:
      <link rel="stylesheet" href="red-clean-design-system.css">
   2. Certifique-se de carregar as fontes no <head>:
      <link rel="preconnect" href="https://fonts.googleapis.com">
      <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
      <link href="https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800;900&family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Syne:wght@700;800&display=swap" rel="stylesheet">
   ========================================================================== */

/* ==========================================================================
   1. DESIGN TOKENS (:root)
   ========================================================================== */
:root {
  /* --- PALETA VERMELHO VIBRANTE (DESTAQUES & CTAs) --- */
  --color-red: #8F0222;                 /* Vermelho rubi nobre de alta conversão */
  --color-red-hover: #75001A;           /* Tom mais fechado para hover */
  --color-red-light: #A81B38;           /* Tom claro de destaque */
  --color-red-soft: rgba(143, 2, 34, 0.08); /* Fundo sutil para chips e tags */
  --color-red-glow: rgba(143, 2, 34, 0.28); /* Brilho e sombras de botões */

  /* --- PALETA VINHO PROFUNDO (SUBSTITUI O MARROM ORIGINAL) --- */
  --color-wine-dark: #220914;          /* Vinho cabernet ultra profundo para títulos, botões e headers */
  --color-wine-surface: #18050E;       /* Fundo de seções dark luxuosas */
  --color-wine-card: #2B0D1B;          /* Superfície de cards escuros */
  --color-wine-muted: #5C1D32;         /* Vinho médio aveludado para subtítulos e bordas */
  --color-wine-light: #822944;         /* Vinho acento para detalhes refinados */

  /* Compatibilidade semântica com o tema anterior */
  --color-brown-dark: var(--color-wine-dark);
  --color-brown-surface: var(--color-wine-surface);
  --color-brown-card: var(--color-wine-card);
  --color-brown-muted: var(--color-wine-muted);
  --color-brown-light: var(--color-wine-light);

  /* --- PALETA BEGE & CREME NOBRE (WARM LUXURY) --- */
  --color-beige: #DBD0CB;              /* Bege assinatura clássico */
  --color-beige-light: #F7F3F1;        /* Off-white quente para fundos de seções */
  --color-beige-medium: #ECE4E0;       /* Bege neutro para cards claros e containers */
  --color-beige-subtle: #FAF7F5;       /* Fundo quase branco aveludado */
  --color-beige-border: rgba(34, 9, 20, 0.12); /* Borda refinada em tom de vinho translúcido */

  /* --- NEUTROS & TEXTOS --- */
  --color-white: #FFFFFF;
  --color-text-main: #220914;          /* Texto principal em vinho ébano (alto contraste) */
  --color-text-body: #481E2B;          /* Texto de leitura/parágrafos */
  --color-text-muted: #784D5C;         /* Texto secundário/apoio */
  --color-text-white-muted: rgba(255, 255, 255, 0.72);
  --color-border-subtle: rgba(34, 9, 20, 0.08);
  --color-hairline: rgba(34, 9, 20, 0.12);
  --color-border-dark: rgba(255, 255, 255, 0.12);

  /* --- TIPOGRAFIA --- */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-display: 'Syne', var(--font-sans);

  /* --- SOMBRAS CROMÁTICAS SUAVES (BASE VINHO & VERMELHO) --- */
  --shadow-sm: 0 4px 14px rgba(34, 9, 20, 0.05);
  --shadow-md: 0 10px 28px rgba(34, 9, 20, 0.08);
  --shadow-lg: 0 20px 45px rgba(34, 9, 20, 0.14);
  --shadow-floating: 0 24px 60px rgba(34, 9, 20, 0.18), 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-red: 0 12px 30px var(--color-red-glow);
  --shadow-wine: 0 14px 34px rgba(34, 9, 20, 0.35);

  /* --- TRANSIÇÕES & BEZIER (THE SIMPLE GYM SIGNATURE) --- */
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.22s var(--ease-smooth);
  --transition-smooth: 0.38s var(--ease-smooth);
  --transition-slow: 0.75s var(--ease-smooth);

  /* --- RAIOS DE BORDA (BORDER RADIUS) --- */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;

  /* --- LAYOUT & ESPAÇAMENTOS --- */
  --container-max-width: 1240px;
  --container-padding: 24px;
  --section-padding-y: 100px;
  --section-padding-mobile: 60px;
}

/* ==========================================================================
   2. RESET & BASE ELEMENTS
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-white);
  color: var(--color-text-main);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
  position: relative;
  letter-spacing: -0.015em;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
}

/* ==========================================================================
   3. CONTAINER & GRID
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: 900px;
}

.container-wide {
  max-width: 1400px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 991px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ==========================================================================
   4. TIPOGRAFIA SUÍÇA / THE SIMPLE GYM
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-main);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.display-title {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--color-wine-dark);
}

.section-title {
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--color-wine-dark);
  margin-bottom: 20px;
}

.section-title-white {
  color: var(--color-white);
}

.lead-text {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  color: var(--color-text-body);
  line-height: 1.6;
  font-weight: 400;
  max-width: 640px;
}

.lead-text-white {
  color: var(--color-text-white-muted);
}

.font-serif {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
}

.font-mono {
  font-family: var(--font-mono);
}

/* ==========================================================================
   5. ELEMENTOS ASSINATURA (TECHNICAL BRACKETS & BADGES)
   ========================================================================== */

/* 5.1 Tag Técnica Monospace entre Colchetes: [ TAG ] */
.bracket-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-red);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.bracket-tag::before {
  content: "[";
  font-weight: 400;
  color: var(--color-wine-muted);
  opacity: 0.7;
}

.bracket-tag::after {
  content: "]";
  font-weight: 400;
  color: var(--color-wine-muted);
  opacity: 0.7;
}

.bracket-tag-wine {
  color: var(--color-wine-dark);
}
.bracket-tag-wine::before, .bracket-tag-wine::after {
  color: var(--color-wine-muted);
}

.bracket-tag-white {
  color: var(--color-white);
}
.bracket-tag-white::before, .bracket-tag-white::after {
  color: rgba(255, 255, 255, 0.5);
}

/* 5.2 Seção Tag */
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-red);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.section-tag::before {
  content: "[";
  font-weight: 400;
  color: var(--color-wine-muted);
}

.section-tag::after {
  content: "]";
  font-weight: 400;
  color: var(--color-wine-muted);
}

/* 5.3 Balão Flutuante Glassmorphism */
.simple-balloon {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.simple-balloon:hover {
  transform: translateY(-2px);
  border-color: var(--color-red);
  box-shadow: var(--shadow-md);
}

.simple-balloon .balloon-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-red);
}

.simple-balloon .balloon-sep {
  opacity: 0.25;
  color: var(--color-wine-dark);
}

.simple-balloon .balloon-text {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-wine-dark);
}

/* 5.4 Signature Link Underline Animado */
.link-underline {
  position: relative;
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  color: inherit;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1.5px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-smooth);
}

.link-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ==========================================================================
   6. BOTÕES (PILL BUTTONS SYSTEM)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 34px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  cursor: pointer;
  border: 1.5px solid transparent;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
  text-align: center;
  user-select: none;
  white-space: nowrap;
}

.btn svg {
  transition: transform var(--transition-smooth);
  flex-shrink: 0;
}

.btn:hover svg {
  transform: translateX(4px);
}

/* Botão Primário: Vinho Nobre Profundo (Elegância Máxima) */
.btn-primary, .btn-wine {
  background-color: var(--color-wine-dark);
  color: var(--color-white);
  border-color: var(--color-wine-dark);
  box-shadow: 0 8px 22px rgba(34, 9, 20, 0.2);
}

.btn-primary:hover, .btn-wine:hover {
  background-color: var(--color-red);
  border-color: var(--color-red);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-red);
}

.btn-primary:active, .btn-wine:active {
  transform: translateY(0);
}

/* Botão Red: Foco Total em Conversão / Chamada Principal */
.btn-red {
  background-color: var(--color-red);
  color: var(--color-white);
  border-color: var(--color-red);
  box-shadow: var(--shadow-red);
}

.btn-red:hover {
  background-color: var(--color-red-hover);
  border-color: var(--color-red-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(143, 2, 34, 0.45);
}

/* Botão Outline */
.btn-outline {
  background-color: transparent;
  color: var(--color-wine-dark);
  border-color: var(--color-wine-dark);
}

.btn-outline:hover {
  background-color: var(--color-wine-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-wine-dark);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

/* Botão Bege / Creme */
.btn-beige {
  background-color: var(--color-beige-medium);
  color: var(--color-wine-dark);
  border-color: var(--color-beige);
}

.btn-beige:hover {
  background-color: var(--color-wine-dark);
  color: var(--color-white);
  border-color: var(--color-wine-dark);
  transform: translateY(-2px);
}

/* Botão WhatsApp Oficial */
.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  border-color: #25D366;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background-color: #20BA5A;
  border-color: #20BA5A;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.42);
}

/* ==========================================================================
   7. CARDS & SUPERFÍCIES (CLEAN & DARK WINE)
   ========================================================================== */

/* Card Claro Sofisticado */
.card-clean {
  background: var(--color-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.card-clean:hover {
  transform: translateY(-4px);
  border-color: rgba(143, 2, 34, 0.25);
  box-shadow: var(--shadow-lg);
}

/* Card Bege Warm */
.card-beige {
  background: var(--color-beige-light);
  border: 1px solid var(--color-beige-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-smooth);
}

/* Card Escuro Dark Wine */
.card-wine {
  background: var(--color-wine-card);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: var(--color-white);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25);
  transition: all var(--transition-smooth);
}

.card-wine:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.25);
}

/* Painel com Efeito Glass */
.glass-panel {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}

.glass-panel-dark {
  background: rgba(34, 9, 20, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

/* ==========================================================================
   8. HEADER FIXO & NAVEGAÇÃO
   ========================================================================== */
.header-topline {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-subtle);
  transition: all var(--transition-fast);
}

.header-topline.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-wine-dark);
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-red);
}

/* ==========================================================================
   9. FORMULÁRIOS & INPUTS (MINIMALIST TECH STYLE)
   ========================================================================== */
.form-group {
  margin-bottom: 20px;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-wine-muted);
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--color-white);
  border: 1.5px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--color-text-main);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-red);
  box-shadow: 0 0 0 4px var(--color-red-soft);
}

.form-input::placeholder {
  color: rgba(120, 77, 92, 0.5);
}

/* ==========================================================================
   10. ACORDEÃO (FAQ PREMIUM)
   ========================================================================== */
.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(143, 2, 34, 0.3);
}

.faq-header {
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  gap: 16px;
}

.faq-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-wine-dark);
  letter-spacing: -0.02em;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-beige-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-wine-dark);
  transition: transform var(--transition-smooth);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--color-red);
  color: var(--color-white);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-smooth);
  padding: 0 28px;
}

.faq-item.active .faq-body {
  padding: 0 28px 24px 28px;
  max-height: 500px;
}

.faq-content {
  color: var(--color-text-body);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ==========================================================================
   11. FAIXA INFINITA (MARQUEE GLASSOVER)
   ========================================================================== */
.marquee-strip {
  background: var(--color-beige-light);
  border-top: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
  padding: 18px 0;
  overflow: hidden;
  position: relative;
  white-space: nowrap;
}

.marquee-content {
  display: inline-flex;
  align-items: center;
  gap: 40px;
  animation: marquee 25s linear infinite;
}

.marquee-item {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-wine-dark);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.marquee-item::after {
  content: "•";
  color: var(--color-red);
  margin-left: 28px;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   12. SEÇÕES & CORES DE FUNDO (SECTIONS SYSTEM)
   ========================================================================== */
.section {
  padding: var(--section-padding-y) 0;
  position: relative;
}

.section-clean {
  background-color: var(--color-white);
}

.section-beige {
  background-color: var(--color-beige-light);
}

.section-dark-wine {
  background-color: var(--color-wine-dark);
  color: var(--color-white);
}

.section-wine-surface {
  background-color: var(--color-wine-surface);
  color: var(--color-white);
}

/* ==========================================================================
   13. FOOTER (ESTILO THE SIMPLE GYM)
   ========================================================================== */
.footer-wine {
  background-color: var(--color-wine-dark);
  color: var(--color-white);
  padding: 80px 0 40px;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom {
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-mono);
}

/* ==========================================================================
   14. ANIMAÇÕES DE REVEAL ON SCROLL
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   15. UTILITÁRIOS RÁPIDOS
   ========================================================================== */
.text-wine { color: var(--color-wine-dark) !important; }
.text-red { color: var(--color-red) !important; }
.text-beige { color: var(--color-beige) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.text-white { color: var(--color-white) !important; }

.bg-wine { background-color: var(--color-wine-dark) !important; }
.bg-wine-surface { background-color: var(--color-wine-surface) !important; }
.bg-red { background-color: var(--color-red) !important; }
.bg-beige { background-color: var(--color-beige-light) !important; }
.bg-white { background-color: var(--color-white) !important; }

.border-subtle { border: 1px solid var(--color-border-subtle) !important; }
.border-wine { border: 1px solid var(--color-wine-dark) !important; }
.border-red { border: 1px solid var(--color-red) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-red { box-shadow: var(--shadow-red) !important; }