/* ==========================================================================
   VANTAGE MANAGEMENT CONSULTING GROUP - CORE STYLESHEET
   Aesthetic: High-Finance Architectural Dark & Futuristic Monochrome
   Palette: Deep Carbon & Obsidian (#050507), Stark White Accents (#FFFFFF)
   Grid: Subtle Futuristic Financial Terminal Matrix & Smooth Bezier Motion
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;1,400&display=swap');

:root {
  /* Exact VMG Color Palette from specification */
  --color-black: #1D1D1F;
  --color-carbon: #1D1D1F;
  --color-card-bg: #29292D;
  --color-card-hover: #323237;
  --color-surface-elevated: #29292D;
  --color-section-subtle: #1D1D1F;

  --color-border-subtle: #3A3A3F;
  --color-border-medium: #3A3A3F;
  --color-border-strong: #C6C2BA;
  --color-border-glow: rgba(198, 194, 186, 0.35);

  --color-text-primary: #F3F2EF;
  --color-text-secondary: #A8A8AD;
  --color-text-muted: #A8A8AD;
  --color-text-dim: #717178;

  --color-white: #F3F2EF;
  --color-ink-inverse: #1D1D1F;
  --color-accent: #C6C2BA;
  --color-accent-hover: #F3F2EF;

  /* Typography */
  --font-serif-display: 'Cinzel', 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-serif-editorial: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Layout & Spacing */
  --container-max-width: 100%;
  --container-padding: clamp(1.5rem, 3.5vw, 4rem);
  --section-spacing-lg: clamp(4.5rem, 9vw, 8.5rem);
  --section-spacing-md: clamp(3rem, 6vw, 5rem);
  --section-spacing-sm: clamp(2rem, 4vw, 3rem);

  /* Ultra-Smooth Transitions */
  --transition-fast: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-black);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Refined Dark Charcoal Ambient Backdrop without grid squares */
body {
  background-color: #1D1D1F;
  color: var(--color-text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
  animation: pageFadeIn 0.55s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif-display);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.25rem, 5.5vw, 4.25rem);
  letter-spacing: 0.03em;
}

h2 {
  font-size: clamp(1.75rem, 3.8vw, 2.75rem);
  letter-spacing: 0.03em;
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  letter-spacing: 0.04em;
}

h4 {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  letter-spacing: 0.05em;
}

p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  font-weight: 300;
  line-height: 1.75;
}

p.lead {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-smooth), opacity var(--transition-smooth);
}

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

/* Container & Grid Elements */
.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-fluid {
  width: 100%;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Section Containers */
.section {
  padding-top: var(--section-spacing-lg);
  padding-bottom: var(--section-spacing-lg);
  position: relative;
}

.section-border-top {
  border-top: 1px solid var(--color-border-subtle);
}

.section-border-bottom {
  border-bottom: 1px solid var(--color-border-subtle);
}

/* Architectural Framing & Gridlines */
.grid-lines {
  position: relative;
}

.grid-lines::before,
.grid-lines::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--color-border-subtle);
  pointer-events: none;
}

.grid-lines::before { left: var(--container-padding); }
.grid-lines::after { right: var(--container-padding); }

/* Micro-Labels & Category Headers */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 1.5rem;
  height: 1px;
  background-color: var(--color-border-strong);
}

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-header.text-center {
  text-align: center;
}

.section-header.text-center .eyebrow {
  justify-content: center;
}

.section-header.text-center .eyebrow::after {
  content: '';
  display: inline-block;
  width: 1.5rem;
  height: 1px;
  background-color: var(--color-border-strong);
}

.section-header p {
  max-width: 680px;
  margin-top: 1rem;
}

.section-header.text-center p {
  margin-left: auto;
  margin-right: auto;
}

/* Buttons & Corporate CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.95rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 0; /* Sharp architectural corners */
  transition: all var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: #FFFFFF;
  color: #000000;
  border-color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #000000;
  color: #FFFFFF;
  border-color: #FFFFFF;
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.18);
}

.btn-secondary {
  background-color: transparent;
  color: #FFFFFF;
  border-color: var(--color-border-strong);
}

.btn-secondary:hover {
  background-color: #FFFFFF;
  color: #000000;
  border-color: #FFFFFF;
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.15);
}

.btn-subtle {
  background: transparent;
  color: #FFFFFF;
  border-color: var(--color-border-subtle);
  padding: 0.75rem 1.5rem;
  font-size: 0.75rem;
}

.btn-subtle:hover {
  border-color: var(--color-border-strong);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.06);
}

.btn-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #FFFFFF;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

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

.btn-arrow:hover {
  color: var(--color-accent-hover);
}

.btn-arrow:hover svg {
  transform: translateX(6px);
}

/* Hairline Separator */
.divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-border-subtle);
  margin: var(--section-spacing-sm) 0;
}

/* Image Containers - Monochrome Fine Art Photography */
.image-frame {
  position: relative;
  overflow: hidden;
  background-color: #0E0E12;
  border: 1px solid var(--color-border-subtle);
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.96) contrast(1.04);
  transition: transform var(--transition-slow), filter var(--transition-smooth);
}

.image-frame:hover img {
  transform: scale(1.025);
  filter: brightness(1.02) contrast(1.06);
}

.image-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-border-subtle);
  pointer-events: none;
}

/* Utility Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--color-border-subtle);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  background-color: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #FFFFFF;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Smooth Scroll Reveal Animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms cubic-bezier(0.16, 1, 0.3, 1), transform 650ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   SMOOTH SECTION TRANSITIONS & DISTINCT VISUAL SEPARATORS
   ========================================================================== */
.hero-home,
.section,
.site-footer {
  scroll-margin-top: 84px;
}

/* Luminous Section Separator Bar */
.section-separator {
  position: relative;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.08) 15%, rgba(255, 255, 255, 0.25) 50%, rgba(255, 255, 255, 0.08) 85%, transparent 100%);
  margin: 0;
  border: none;
  z-index: 5;
}

.section-border-top {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.section-border-bottom {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* ALQUITRAN from the supplied palette. */
:root { --color-black: #1D1D1F; --color-carbon: #1D1D1F; --color-section-subtle: #1D1D1F; }
html, body { background: #1D1D1F; }