/* ==========================================================================
   UNSTAFF — MONOCHROME B2B STYLESHEET
   Managed Data Operations & AI Support
   Pure CSS • Zero External Frameworks • Pure Monochrome System
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Monochrome Palette */
  --bg: #050505;
  --bg-soft: #0a0a0a;
  --surface: #0d0d0f;
  --surface-hover: #121214;

  /* Typography Colors */
  --text-primary: #f5f5f5;
  --text-secondary: #a3a3a3;
  --text-muted: #737373;

  /* Borders & Dividers */
  --border: #242424;
  --border-light: #333333;

  /* Monochrome Gradients */
  --gradient-light: #ffffff;
  --gradient-mid: #bdbdbd;
  --gradient-dark: #555555;

  /* Buttons */
  --button-bg: #f2f2f2;
  --button-text: #090909;

  /* Wordmark Gradient: lighter on left -> darker on right */
  --wordmark-gradient: linear-gradient(90deg, #ffffff 0%, #a3a3a3 100%);

  /* Layout & Geometry */
  --container-max-width: 1180px;
  --container-padding: 1.5rem;
  --header-height: 72px;

  --border-radius-sm: 6px;
  --border-radius-md: 10px;
  --border-radius-lg: 16px;
  --border-radius-full: 9999px;

  /* Elevation / Shadows (Subtle Monochrome) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.6);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.85);
  --shadow-button: 0 4px 16px rgba(255, 255, 255, 0.08);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text-primary);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
}

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

/* Focus Visible Styling - Neutral Monochrome Ring */
:focus-visible {
  outline: 2px solid #888888;
  outline-offset: 3px;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

p {
  color: var(--text-secondary);
}

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

ul {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  color: inherit;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   3. Layout Utilities
   -------------------------------------------------------------------------- */
.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);
}

.section {
  padding: 6rem 0;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding: 4.5rem 0;
  }
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.875rem;
  }
  .section-desc {
    font-size: 0.975rem;
  }
}

/* --------------------------------------------------------------------------
   4. Buttons (Monochrome System)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.375rem;
  border-radius: var(--border-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  border-radius: var(--border-radius-sm);
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

/* Primary Button: White/light grey with black text & subtle white glow */
.btn-primary {
  background: linear-gradient(135deg, #ffffff 0%, #d4d4d4 100%);
  color: #080808;
  border-color: #ffffff;
  box-shadow: var(--shadow-button);
}

.btn-primary:hover {
  background: #e5e5e5;
  border-color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.12);
}

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

/* Secondary Button: Dark transparent background with grey border & white text */
.btn-secondary {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: #555555;
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none !important;
}

/* --------------------------------------------------------------------------
   5. Site Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.site-header.scrolled {
  background-color: rgba(5, 5, 5, 0.95);
  border-bottom-color: var(--border-light);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  padding: 0.25rem 0;
}

.brand-logo-img {
  height: 28px;
  width: auto;
  object-fit: contain;
  transition: opacity var(--transition-fast);
}

.brand-logo:hover .brand-logo-img {
  opacity: 0.92;
}

/* Desktop Nav Links */
.desktop-nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 0;
  position: relative;
}

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

/* Active Nav: White/light-grey text & subtle underline */
.nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #ffffff, #a3a3a3);
  border-radius: 1px;
}

.header-actions {
  display: flex;
  align-items: center;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--border-radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  justify-content: center;
  align-items: center;
}

.hamburger-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 1px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Mobile Hamburger Animation */
.mobile-menu-btn[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  display: none;
}

@media (max-width: 860px) {
  .desktop-nav, .header-actions {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .mobile-nav-drawer {
    display: block;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    padding: 1.5rem 0 2rem 0;
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-slow), opacity var(--transition-normal), visibility var(--transition-normal);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }

  .mobile-nav-drawer.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
  }

  .mobile-nav-link {
    display: block;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.75rem 0.5rem;
    border-radius: var(--border-radius-sm);
  }

  .mobile-nav-link:hover, .mobile-nav-link:active {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
  }

  .mobile-nav-cta {
    padding-top: 0.5rem;
  }
}

/* --------------------------------------------------------------------------
   6. Hero Section (Monochrome Glow & Badge)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: 7rem 0 6rem 0;
  text-align: center;
  overflow: hidden;
  background-color: var(--bg);
}

@media (max-width: 768px) {
  .hero-section {
    padding: 4.5rem 0 4rem 0;
  }
}

/* Subtle, restrained monochrome ambient glow */
.hero-bg-glow {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(700px, 90vw);
  height: 380px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

/* Clean micro dot grid */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.hero-container {
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-full);
  margin-bottom: 1.75rem;
}

/* Monochrome Dot */
.badge-dot {
  width: 7px;
  height: 7px;
  background-color: #f5f5f5;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
}

.badge-text {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto 2.25rem auto;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.75rem;
  flex-wrap: wrap;
}

.hero-trust-line {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  max-width: 600px;
  margin: 0 auto;
}

.hero-trust-line p {
  font-size: 0.875rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  font-weight: 500;
}

.hero-trust-line .bullet {
  color: var(--border-light);
  margin: 0 0.35rem;
}

/* --------------------------------------------------------------------------
   7. Services Section
   -------------------------------------------------------------------------- */
.services-section {
  background-color: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal), background-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-light);
  background-color: var(--surface-hover);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #d4d4d4;
  margin-bottom: 1.25rem;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.service-card:hover .card-icon {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--border-light);
  color: #ffffff;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.625rem;
  color: var(--text-primary);
}

.card-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #d4d4d4;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.card-link span {
  transition: transform var(--transition-fast);
}

.card-link:hover {
  color: #ffffff;
}

.card-link:hover span {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   8. How It Works Section
   -------------------------------------------------------------------------- */
.how-it-works-section {
  background-color: var(--bg);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
  position: relative;
}

@media (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1.5rem;
  }
}

@media (max-width: 600px) {
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}

.step-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-md);
  padding: 2rem 1.75rem;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-light);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  margin-bottom: 1.25rem;
}

.step-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.steps-cta-wrapper {
  text-align: center;
}

/* --------------------------------------------------------------------------
   9. Why Unstaff Section
   -------------------------------------------------------------------------- */
.why-unstaff-section {
  background-color: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

.why-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-md);
  padding: 1.875rem 1.625rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.why-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-light);
}

.why-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #d4d4d4;
  margin-bottom: 1.25rem;
}

.why-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.625rem;
  color: var(--text-primary);
}

.why-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   10. About Section
   -------------------------------------------------------------------------- */
.about-section {
  background-color: var(--bg);
}

.about-card {
  max-width: 860px;
  margin: 0 auto;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: 3.5rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
}

@media (max-width: 768px) {
  .about-card {
    padding: 2.25rem 1.5rem;
  }
}

.about-badge {
  display: inline-block;
  margin-bottom: 1.25rem;
}

.about-badge .badge-text {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.about-title {
  font-size: 2.125rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.about-text {
  font-size: 1.125rem;
  color: #d4d4d4;
  line-height: 1.75;
  max-width: 720px;
  margin: 0 auto 2.5rem auto;
}

@media (max-width: 768px) {
  .about-title {
    font-size: 1.75rem;
  }
  .about-text {
    font-size: 1rem;
    line-height: 1.65;
  }
}

.about-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 640px) {
  .about-meta {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    text-align: left;
  }
}

.about-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
}

.meta-val {
  font-size: 0.9375rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   11. Contact Section & Form (Standard HTML POST)
   -------------------------------------------------------------------------- */
.contact-section {
  background-color: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 3.5rem;
  align-items: start;
}

@media (max-width: 960px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.contact-heading {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0.5rem 0 1rem 0;
  color: var(--text-primary);
}

.contact-subtext {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.channel-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.channel-card:hover {
  background-color: var(--surface-hover);
  border-color: var(--border-light);
  transform: translateX(2px);
}

.channel-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(255, 255, 255, 0.05);
  color: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.channel-details {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex-grow: 1;
}

.channel-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}

.channel-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
}

.channel-ext {
  font-size: 1rem;
  color: var(--text-muted);
}

.contact-notice {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  border-left: 2px solid var(--border-light);
  padding-left: 1rem;
}

/* Contact Direct Card */
.contact-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

@media (max-width: 600px) {
  .contact-card {
    padding: 2rem 1.5rem;
  }
}

.contact-card-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.contact-card-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.contact-card-email-block {
  background-color: #070709;
  border: 1px solid var(--border);
  border-radius: var(--border-radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.contact-card-email-block:hover {
  border-color: var(--border-light);
  background-color: #0a0a0d;
}

.contact-card-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.contact-card-email-link {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
  display: inline-block;
  transition: color var(--transition-fast);
}

.contact-card-email-link:hover {
  color: #ffffff;
  text-decoration: underline;
}

.contact-card-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--bg);
  border-top: 1px solid var(--border);
  padding: 4.5rem 0 3rem 0;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 768px) {
  .footer-top {
    flex-direction: column;
    gap: 2rem;
  }
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 0.75rem;
}

.footer-logo-img {
  height: 26px;
  width: auto;
  object-fit: contain;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
}

@media (max-width: 768px) {
  .footer-links {
    gap: 1.25rem;
  }
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-link:hover {
  color: var(--text-primary);
}

.footer-link-ext {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}

.footer-contact-hint a {
  color: var(--text-secondary);
  text-decoration: underline;
}

.footer-contact-hint a:hover {
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   13. Scroll To Top Button (Monochrome)
   -------------------------------------------------------------------------- */
.scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background-color: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal), background-color var(--transition-fast), border-color var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background-color: var(--surface-hover);
  border-color: #666666;
  color: #ffffff;
}

@media (max-width: 768px) {
  .scroll-top-btn {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
  }
}

/* --------------------------------------------------------------------------
   14. Scroll Reveal Animations (Restrained & Tasteful)
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

/* --------------------------------------------------------------------------
   15. Accessibility: Reduced Motion Support
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}