/* ==========================================================================
   Sandro de Moura - Custom CSS Design System
   ========================================================================== */

/* 1. Design Tokens & Core Variables */
:root {
  /* Colors - Theme Palette */
  --color-background: #131313;
  --color-surface: #131313;
  --color-surface-dim: #131313;
  --color-surface-bright: #393939;
  --color-surface-lowest: #0e0e0e;
  --color-surface-low: #1b1b1b;
  --color-surface-container: #1f1f1f;
  --color-surface-high: #2a2a2a;
  --color-surface-highest: #353535;
  --color-on-surface: #e2e2e2;
  --color-on-surface-variant: #c3c5d9;
  
  --color-primary: #b6c4ff;
  --color-on-primary: #002780;
  --color-primary-container: #0055ff; /* Vibrant High-Energy Corporate Blue */
  --color-on-primary-container: #e3e6ff;
  
  --color-secondary: #c6c6c7;
  --color-on-secondary: #2f3131;
  --color-secondary-container: #454747;
  --color-on-secondary-container: #b4b5b5;

  --color-outline: #8d90a2;
  --color-outline-variant: #434656;
  --color-error: #ffb4ab;
  --color-error-container: #93000a;
  
  --color-black: #000000;
  --color-white: #ffffff;

  /* Typography Scales */
  --font-family-display: 'Montserrat', sans-serif;
  --font-family-body: 'Inter', sans-serif;

  /* Corner Radius */
  --radius-sm: 0.125rem;       /* 2px */
  --radius-default: 0.25rem;   /* 4px */
  --radius-md: 0.375rem;       /* 6px */
  --radius-lg: 0.5rem;         /* 8px - Media / Large Images */
  --radius-xl: 0.75rem;        /* 12px - Cards */
  --radius-full: 9999px;

  /* Spacing System */
  --spacing-grid-margin: 2rem;
  --spacing-gutter: 1.5rem;
  --spacing-section-padding: 6rem;
  --spacing-stack-sm: 0.5rem;
  --spacing-stack-md: 1rem;
  --spacing-stack-lg: 2rem;

  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

/* 2. Global Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--color-background);
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  background-color: var(--color-background);
}

/* 3. Base Layout Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-grid-margin);
  padding-right: var(--spacing-grid-margin);
}

/* 4. Typography Classes */
.display-lg {
  font-family: var(--font-family-display);
  font-size: 4rem; /* 64px */
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-white);
  text-wrap: balance;
}

.display-subtitle {
  font-family: var(--font-family-display); /* Usar Montserrat */
  font-size: 2.0rem; /* Reduzido para 32px para que a largura do texto não ultrapasse o 'N' de 'Conectando' */
  font-weight: 300; /* Peso fino e elegante */
  line-height: 1.15; /* Altura de linha ajustada e compacta */
  letter-spacing: -0.02em;
  color: var(--color-white);
  max-width: 650px;
  margin-top: 0.1rem; /* Reduzido ao máximo para ficar colado com a linha */
}

.headline-xl {
  font-family: var(--font-family-display);
  font-size: 3rem; /* 48px */
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
  text-wrap: balance;
}

.headline-lg {
  font-family: var(--font-family-display);
  font-size: 2rem; /* 32px */
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-white);
}

.body-lg {
  font-family: var(--font-family-body);
  font-size: 1.125rem; /* 18px */
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-on-surface);
}

.body-md {
  font-family: var(--font-family-body);
  font-size: 1rem; /* 16px */
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-on-surface-variant);
}

.label-bold {
  font-family: var(--font-family-body);
  font-size: 0.875rem; /* 14px */
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-on-surface);
  display: block;
  margin-bottom: var(--spacing-stack-sm);
}

.caption {
  font-family: var(--font-family-body);
  font-size: 0.75rem; /* 12px */
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-outline);
}

/* 5. Hero Section Styling */
.hero-section {
  position: relative;
  height: 85vh;
  min-height: 550px;
  background-image: url('assets/hero_bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(19, 19, 19, 0.4) 0%,
    rgba(19, 19, 19, 0.9) 100%
  );
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-line {
  display: block;
  width: 160px;
  height: 4px;
  background-color: var(--color-white);
  margin-top: 0.75rem;
  margin-bottom: 0.2rem; /* Reduzido de 0.5rem para aproximar o texto abaixo */
}

/* 6. Brand Cards & Services Section */
.services-section {
  background-color: var(--color-primary-container);
  color: var(--color-on-primary-container);
  padding-top: var(--spacing-section-padding);
  padding-bottom: var(--spacing-section-padding);
}

.services-title {
  font-family: var(--font-family-display);
  font-size: 2rem; /* 32px */
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-white);
  max-width: 900px;
  margin-bottom: 4rem;
  text-transform: capitalize;
}

.grid-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-gutter);
}

.service-column {
  position: relative;
  display: flex;
  flex-direction: column;
  padding-right: var(--spacing-gutter);
}

/* Column dividers */
.service-column:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.25);
}

/* Card Styling inside columns */
.logo-card {
  height: 110px;
  width: 100%;
  max-width: 180px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  transition: var(--transition-smooth);
}

.logo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
}

.brand-logo {
  width: 100%;
  height: 100%;
  object-fit: contain; /* Evita cortes e centraliza horizontal e verticalmente */
  display: block;
}

/* Card background skins to blend JPEGs seamlessly */
.card-nexus {
  background-color: #333333;
}

.card-finance-fast {
  background-color: #ffffff;
}

.card-go-bid {
  background-color: #737373;
}

.card-sync {
  background-color: #000000;
}

/* Bullet list underneath card */
.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-stack-md);
}

.service-list li {
  font-family: var(--font-family-body);
  font-size: 0.9375rem; /* 15px */
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-white);
  padding-left: 1.25rem;
  position: relative;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-white);
}

/* 7. Contact Section Styling */
.contact-section {
  background-color: var(--color-black);
  padding-top: var(--spacing-section-padding);
  padding-bottom: var(--spacing-section-padding);
}

.grid-two-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: start;
}

.contact-details {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.accent-line {
  width: 80px;
  height: 3px;
  background-color: var(--color-primary-container);
  margin-top: 1rem;
  margin-bottom: 2rem;
}

.contact-details .body-lg {
  margin-bottom: 2.5rem;
  color: var(--color-on-surface);
}

.email-contact {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
  transition: var(--transition-fast);
}

.email-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-surface-container);
  color: var(--color-primary);
  border: 1px solid var(--color-outline-variant);
  transition: var(--transition-smooth);
}

.email-link {
  font-family: var(--font-family-body);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-white);
  text-decoration: none;
  position: relative;
  transition: var(--transition-fast);
}

.email-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: var(--transition-fast);
}

.email-contact:hover .email-icon {
  background-color: var(--color-primary-container);
  color: var(--color-white);
  border-color: var(--color-primary-container);
}

.email-contact:hover .email-link {
  color: var(--color-primary);
}

.email-contact:hover .email-link::after {
  width: 100%;
}

.corporate-img-container {
  width: 100%;
  height: 250px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.corporate-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.corporate-img-container:hover .corporate-img {
  transform: scale(1.04);
}

/* 8. Contact Form Styling */
.form-container {
  background-color: var(--color-surface-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.form-group {
  margin-bottom: 1.75rem;
  position: relative;
}

.form-group input,
.form-group select {
  width: 100%;
  background-color: var(--color-black);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  color: var(--color-white);
  font-family: var(--font-family-body);
  font-size: 0.9375rem;
  padding: 0.875rem 1.125rem;
  outline: none;
  transition: var(--transition-fast);
}

/* Input Placeholder */
.form-group input::placeholder {
  color: #555555;
  opacity: 1;
}

/* Input Focus States */
.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-primary-container);
  box-shadow: 0 0 0 3px rgba(0, 85, 255, 0.2);
}

/* Custom Styled Select dropdown */
.select-wrapper {
  position: relative;
  width: 100%;
}

.select-wrapper::after {
  content: '';
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--color-outline);
  pointer-events: none;
  transition: var(--transition-fast);
}

.select-wrapper:focus-within::after {
  border-top-color: var(--color-primary);
  transform: translateY(-50%) rotate(180deg);
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding-right: 2.5rem;
}

.form-group select option {
  background-color: var(--color-surface-lowest);
  color: var(--color-white);
}

/* Validation styling */
.form-group.has-error input,
.form-group.has-error select {
  border-color: var(--color-error);
}

.error-msg {
  display: block;
  font-family: var(--font-family-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-error);
  margin-top: 0.375rem;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.form-group.has-error .error-msg {
  opacity: 1;
  max-height: 20px;
}

/* Submit Button */
.submit-btn {
  width: 100%;
  background-color: var(--color-primary-container);
  color: var(--color-white);
  font-family: var(--font-family-body);
  font-size: 1rem;
  font-weight: 700;
  padding: 1rem;
  border: none;
  border-radius: var(--radius-default);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  box-shadow: 0 4px 14px rgba(0, 85, 255, 0.4);
}

.submit-btn:hover {
  background-color: #0044cc;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 85, 255, 0.5);
}

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

/* Submit loading state */
.submit-btn.is-loading {
  pointer-events: none;
  opacity: 0.8;
}

.submit-btn.is-loading .btn-text {
  display: none;
}

.submit-btn.is-loading .spinner {
  display: block;
}

.spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--color-white);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.privacy-note {
  font-family: var(--font-family-body);
  font-size: 0.75rem;
  color: #555555;
  text-align: center;
  margin-top: 1.5rem;
  line-height: 1.4;
}

/* Success Message Container */
.success-message {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 0;
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: rgba(182, 196, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  border: 1px solid rgba(182, 196, 255, 0.2);
}

.success-message h3 {
  margin-bottom: 1rem;
}

.success-message p {
  margin-bottom: 2.5rem;
  max-width: 320px;
}

.btn-reset {
  background-color: transparent;
  border: 1px solid var(--color-outline);
  color: var(--color-white);
  font-family: var(--font-family-body);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-default);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-reset:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--color-white);
}

/* 9. Footer Styling */
.footer-bar {
  background-color: var(--color-surface-lowest);
  border-top: 1px solid var(--color-outline-variant);
  padding: 2.5rem 0;
  text-align: center; /* Centraliza horizontalmente */
}

.footer-bar p {
  font-family: var(--font-family-body);
  font-size: 0.75rem; /* caption style (12px) */
  color: #555555;
  line-height: 1.5;
}

.footer-attribution {
  margin-top: 0.35rem; /* pequeno espaçamento entre a linha de cima e de baixo */
  opacity: 0.8;
}

/* ==========================================================================
   10. Responsive Breakpoints & Mobile Optimization
   ========================================================================== */

/* Tablet Viewports */
@media (max-width: 1024px) {
  :root {
    --spacing-section-padding: 5rem;
  }

  .display-lg {
    font-size: 3.25rem;
  }
  
  .grid-columns {
    grid-template-columns: repeat(2, 1fr);
    gap: 3.5rem var(--spacing-gutter);
  }
  
  .service-column {
    padding-right: 0;
    margin-bottom: 1.5rem;
  }
  
  /* Hide specific borders */
  .service-column:not(:last-child)::after {
    display: none;
  }
  
  .grid-two-columns {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .contact-details {
    max-width: 100%;
  }

  .corporate-img-container {
    height: 280px;
    width: 100%;
  }
}

/* Mobile Viewports */
@media (max-width: 768px) {
  :root {
    --spacing-section-padding: 3.5rem;
    --spacing-grid-margin: 1.25rem;
  }
  
  .display-lg {
    font-size: 2.5rem; /* display-lg-mobile (40px) */
    letter-spacing: -0.01em;
  }
  
  .display-subtitle {
    font-size: 1.35rem; /* Reduzido proporcionalmente no celular (21.6px) */
    margin-top: 0.1rem; /* Reduzido ao máximo no celular */
    line-height: 1.15;
  }
  
  .hero-section {
    height: 52vh; /* Reduz a altura para cortar a imagem em cima e embaixo */
    min-height: 350px;
    background-position: center center; /* Mantém o pico centralizado vertical e horizontalmente */
  }
  
  .hero-line {
    width: 100px;
    height: 3px;
    margin-top: 0.5rem;
  }
  
  .services-title {
    font-size: 1.625rem;
    margin-bottom: 2.5rem;
    line-height: 1.35;
  }
  
  .grid-columns {
    grid-template-columns: 1fr;
    gap: 2.75rem;
  }

  .service-column {
    margin-bottom: 0;
  }
  
  .logo-card {
    height: 90px;
    max-width: 150px;
    margin-bottom: 1.25rem;
  }
  
  .headline-xl {
    font-size: 2.25rem;
  }

  .accent-line {
    margin-bottom: 1.5rem;
  }
  
  .form-container {
    padding: 2rem 1.5rem; /* Streamlined for maximum screen estate */
  }

  .form-group {
    margin-bottom: 1.5rem;
  }

  /* CRITICAL: Force 16px to prevent iOS autofocus zooming in safari */
  .form-group input,
  .form-group select {
    font-size: 16px; 
    padding: 0.75rem 1rem;
  }

  .email-contact {
    margin-bottom: 2.5rem;
  }

  .email-icon {
    width: 40px;
    height: 40px;
  }

  .email-link {
    font-size: 1rem;
  }

  .corporate-img-container {
    height: 220px;
  }
}

/* Extra Small Devices */
@media (max-width: 380px) {
  .display-lg {
    font-size: 2.15rem;
  }

  .headline-xl {
    font-size: 1.85rem;
  }

  .form-container {
    padding: 1.5rem 1.125rem;
  }

  .logo-card {
    height: 80px;
    max-width: 130px;
  }
}