/* ============================================
   MVR Code — Site Institucional
   Design System & Estilos Globais
   ============================================ */

/* ---------- Variáveis de Design ---------- */
:root {
  /* Cores principais */
  --color-bg:          #07070d;
  --color-bg-elevated: #0e0e18;
  --color-bg-card:     rgba(15, 15, 30, 0.65);
  --color-bg-glass:    rgba(15, 15, 30, 0.45);
  --color-surface:     #12121f;

  /* Texto */
  --color-text:        #e4e4ef;
  --color-text-muted:  #8888a4;
  --color-text-subtle: #5a5a74;

  /* Acentos */
  --color-accent-1:    #3b82f6;
  --color-accent-2:    #06b6d4;
  --color-accent-glow: rgba(59, 130, 246, 0.15);
  --gradient-accent:   linear-gradient(135deg, #3b82f6, #06b6d4);
  --gradient-accent-r: linear-gradient(135deg, #06b6d4, #3b82f6);

  /* Bordas */
  --color-border:      rgba(255, 255, 255, 0.06);
  --color-border-hover:rgba(59, 130, 246, 0.3);

  /* Tipografia */
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Space Grotesk', var(--font-body);

  /* Espaçamento */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Raios */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full:9999px;

  /* Sombras */
  --shadow-card:   0 4px 30px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0,0,0,0.3);
  --shadow-glow:   0 0 40px rgba(59, 130, 246, 0.08);
  --shadow-hover:  0 8px 50px rgba(59, 130, 246, 0.12);

  /* Transições */
  --ease-smooth:   cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.2s var(--ease-smooth);
  --transition-base: 0.35s var(--ease-smooth);
  --transition-slow: 0.6s var(--ease-smooth);

  /* Header */
  --header-height: 72px;
}


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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}


/* ============================================
   HEADER / NAVEGAÇÃO
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(7, 7, 13, 0.7);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background: rgba(7, 7, 13, 0.92);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Logo na nav */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  transition: opacity var(--transition-fast);
}

.nav-logo:hover { opacity: 0.85; }

.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

/* Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
  color: var(--color-accent-2);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger-line {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav-toggle.open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open .hamburger-line:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* ============================================
   SEÇÃO GENÉRICA
   ============================================ */
.section {
  min-height: 100vh;
  padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-2);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.15);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}


/* ============================================
   HERO
   ============================================ */
.hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-bottom: var(--space-xl);
}

/* Efeitos de fundo (orbes e grid) */
.hero-bg-effects {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.35;
}

.hero-orb--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.25), transparent 70%);
  top: -10%;
  right: -5%;
  animation: float-orb 20s ease-in-out infinite;
}

.hero-orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.2), transparent 70%);
  bottom: -5%;
  left: -5%;
  animation: float-orb 25s ease-in-out infinite reverse;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 100%);
}

@keyframes float-orb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 1;
}

/* Logo no hero */
.hero-logo {
  margin-bottom: var(--space-xl);
}

.hero-logo-img {
  width: 88px;
  height: 88px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 0 60px rgba(59, 130, 246, 0.15), var(--shadow-card);
  border: 1px solid var(--color-border);
}

/* Headline */
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

/* Badges de tecnologias */
.tech-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
  transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.tech-badge:hover {
  border-color: var(--color-border-hover);
  color: var(--color-accent-2);
  transform: translateY(-1px);
}

/* Botões CTA */
.hero-ctas {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(59, 130, 246, 0.35);
}

.btn-secondary {
  background: var(--color-bg-glass);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

/* Indicador de rolagem */
.scroll-hint {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-subtle);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  animation: scroll-bounce 2.5s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.5; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 1; }
}


/* ============================================
   SOLUÇÕES — CARDS
   ============================================ */
.solutions-section {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-lg);
}

/* Card individual */
.solution-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(12px);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.solution-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-hover);
}

.solution-card:hover::before {
  opacity: 1;
}

.solution-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.solution-logo {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  object-fit: contain;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 6px;
  flex-shrink: 0;
}

.solution-title-group {
  flex: 1;
  min-width: 0;
}

.solution-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.solution-partner {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.solution-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-lg);
}

/* Tags no card */
.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-lg);
}

.solution-tag {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-accent-2);
  background: rgba(6, 182, 212, 0.07);
  border: 1px solid rgba(6, 182, 212, 0.12);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

/* Botão de acesso */
.solution-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent-1);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(59, 130, 246, 0.2);
  background: rgba(59, 130, 246, 0.05);
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.solution-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateX(3px);
}

.solution-btn svg {
  transition: transform var(--transition-fast);
}

.solution-btn:hover svg {
  transform: translateX(3px);
}


/* ============================================
   CONTATO
   ============================================ */
.contact-section {
  background: var(--color-bg);
}

.contact-content {
  max-width: 520px;
  margin: 0 auto;
}

.contact-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(12px);
  text-align: center;
  box-shadow: var(--shadow-card);
}

.contact-logo img {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.12);
}

.contact-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.contact-tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

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

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-align: left;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.contact-link:hover {
  border-color: var(--color-border-hover);
  background: rgba(59, 130, 246, 0.04);
  transform: translateX(4px);
}

.contact-link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-accent-1);
  flex-shrink: 0;
}

.contact-link-icon--whatsapp {
  background: rgba(37, 211, 102, 0.08);
  color: #25d366;
}

.contact-link-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-subtle);
  margin-bottom: 2px;
}

.contact-link-value {
  display: block;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text);
}


/* ============================================
   RODAPÉ
   ============================================ */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
  background: var(--color-bg);
}

.footer-content {
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-subtle);
}

.footer-tagline {
  margin-top: var(--space-xs);
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  opacity: 0.6;
}


/* ============================================
   ANIMAÇÕES DE ENTRADA
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-smooth);
}

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

/* Delay escalonado para elementos sequenciais */
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.35s; }

/* Animação de entrada dos cards */
.solution-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth),
              border-color var(--transition-base), box-shadow var(--transition-base);
}

.solution-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}


/* ============================================
   RESPONSIVO
   ============================================ */

/* Tablets e abaixo */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(300px, 80vw);
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    background: rgba(7, 7, 13, 0.97);
    backdrop-filter: blur(24px);
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    border-left: 1px solid var(--color-border);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 1.1rem;
    padding: var(--space-md) 0;
    width: 100%;
  }

  .nav-link.active::after {
    display: none;
  }

  .section {
    padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-2xl);
  }

  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .hero-logo-img {
    width: 72px;
    height: 72px;
  }

  .contact-card {
    padding: var(--space-xl);
  }
}

/* Celulares pequenos */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    justify-content: center;
  }

  .tech-badges {
    gap: 6px;
  }

  .tech-badge {
    font-size: 0.72rem;
    padding: 4px 12px;
  }
}

/* Modo overlay para menu mobile */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
}

.nav-overlay.open {
  display: block;
}