/* ==========================================================================
   TechProGigs Design System — Core Tokens & Base Styles
   Brand: TechProGigs
   Headings: Outfit 600 | Body: DM Sans 400
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Outfit:wght@400;500;600;700&display=swap');
@import url('motion.css');

:root {
  /* Locked Color System */
  --tpg-primary: #7F8375;
  --tpg-secondary: #0F1412;
  --tpg-accent: #7F8375;
  --tpg-bg-light: #F8F9F6;
  --tpg-bg-dark: #0F1412;
  --tpg-text-heading: #0F1412;
  --tpg-text-body: #3A413D;
  --tpg-border: rgba(127, 131, 117, 0.22);

  /* Standard Aliases */
  --color-primary: #7F8375;
  --color-secondary: #0F1412;
  --color-accent: #7F8375;
  --color-bg-light: #F8F9F6;
  --color-bg-dark: #0F1412;
  --color-text-heading: #0F1412;
  --color-text-body: #3A413D;
  --color-border: rgba(127, 131, 117, 0.22);

  /* Auxiliary Tonal Variants */
  --tpg-primary-light: rgba(127, 131, 117, 0.12);
  --tpg-primary-hover: #6d7164;
  --tpg-accent-hover: #5F6357;
  --tpg-accent-subtle: rgba(127, 131, 117, 0.14);
  --tpg-bg-card-dark: #1A201D;
  --tpg-text-muted: #6B7280;
  --tpg-text-on-dark: #E5E7EB;
  --tpg-text-on-dark-heading: #FFFFFF;
  --tpg-white: #FFFFFF;

  /* Typography Tokens */
  --tpg-font-heading: 'Outfit', sans-serif;
  --tpg-font-body: 'DM Sans', sans-serif;

  --tpg-weight-body: 400;
  --tpg-weight-heading: 600;

  /* Responsive Type Scale */
  --tpg-fs-xs: 0.8125rem;  /* 13px */
  --tpg-fs-sm: 0.9375rem;  /* 15px */
  --tpg-fs-base: 1.0625rem;/* 17px */
  --tpg-fs-md: 1.25rem;    /* 20px */
  --tpg-fs-lg: 1.5rem;     /* 24px */
  --tpg-fs-xl: 1.875rem;   /* 30px */
  --tpg-fs-2xl: 2.375rem;  /* 38px */
  --tpg-fs-3xl: 3.125rem;  /* 50px */
  --tpg-fs-hero: clamp(2.35rem, 4.5vw, 3.85rem);

  /* Spacing Scale */
  --tpg-sp-xs: 0.375rem;   /* 6px */
  --tpg-sp-sm: 0.75rem;    /* 12px */
  --tpg-sp-md: 1rem;       /* 16px */
  --tpg-sp-lg: 1.5rem;     /* 24px */
  --tpg-sp-xl: 2.5rem;     /* 40px */
  --tpg-sp-2xl: 4rem;      /* 64px */
  --tpg-sp-3xl: 6rem;      /* 96px */

  /* Layout & Radii */
  --tpg-container-max: 1280px;
  --tpg-container-pad: 1.5rem;
  --tpg-radius-sm: 6px;
  --tpg-radius-md: 10px;
  --tpg-radius-lg: 16px;
  --tpg-radius-pill: 9999px;

  /* Elevations & Shadows */
  --tpg-shadow-sm: 0 2px 4px rgba(15, 20, 18, 0.04);
  --tpg-shadow-md: 0 8px 24px rgba(15, 20, 18, 0.06);
  --tpg-shadow-lg: 0 16px 36px rgba(15, 20, 18, 0.09);
  --tpg-shadow-glow: 0 0 24px rgba(127, 131, 117, 0.22);

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

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--tpg-font-body);
  font-weight: var(--tpg-weight-body);
  font-size: var(--tpg-fs-base);
  line-height: 1.65;
  color: var(--tpg-text-body);
  background-color: var(--tpg-bg-light);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--tpg-font-heading);
  font-weight: var(--tpg-weight-heading);
  color: var(--tpg-text-heading);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--tpg-fs-3xl); margin-bottom: 1.25rem; }
h2 { font-size: var(--tpg-fs-2xl); margin-bottom: 1rem; }
h3 { font-size: var(--tpg-fs-xl); margin-bottom: 0.75rem; }
h4 { font-size: var(--tpg-fs-lg); margin-bottom: 0.5rem; }
h5 { font-size: var(--tpg-fs-md); margin-bottom: 0.375rem; }
h6 { font-size: var(--tpg-fs-sm); text-transform: uppercase; letter-spacing: 0.06em; }

p {
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--tpg-text-heading);
  text-decoration: none;
  transition: color var(--tpg-transition-fast), border-color var(--tpg-transition-fast);
}

a:hover {
  color: var(--tpg-accent);
}

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

ul, ol {
  list-style: none;
}

/* Container & Grid Utilities */
.tpg-container {
  width: 100%;
  max-width: var(--tpg-container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--tpg-container-pad);
  padding-right: var(--tpg-container-pad);
}

.tpg-container-narrow {
  width: 100%;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--tpg-container-pad);
  padding-right: var(--tpg-container-pad);
}

.tpg-section {
  padding-top: var(--tpg-sp-3xl);
  padding-bottom: var(--tpg-sp-3xl);
  position: relative;
}

.tpg-section-compact {
  padding-top: var(--tpg-sp-2xl);
  padding-bottom: var(--tpg-sp-2xl);
}

.tpg-bg-light { background-color: var(--tpg-bg-light); }
.tpg-bg-dark { background-color: var(--tpg-bg-dark); color: var(--tpg-text-on-dark); }
.tpg-bg-dark h1, .tpg-bg-dark h2, .tpg-bg-dark h3, .tpg-bg-dark h4 { color: var(--tpg-text-on-dark-heading); }
.tpg-bg-white { background-color: var(--tpg-white); }
.tpg-bg-subtle { background-color: rgba(127, 131, 117, 0.06); }

/* Grids */
.tpg-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--tpg-sp-xl);
}

.tpg-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--tpg-sp-lg);
}

.tpg-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--tpg-sp-lg);
}

.tpg-align-center {
  align-items: center;
}

/* Buttons */
.tpg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--tpg-font-heading);
  font-weight: 600;
  font-size: var(--tpg-fs-sm);
  padding: 0.85rem 1.75rem;
  border-radius: var(--tpg-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--tpg-transition-base);
  white-space: nowrap;
  line-height: 1.2;
}

.tpg-btn-primary {
  background-color: var(--tpg-primary);
  color: #FFFFFF;
  border-color: var(--tpg-primary);
}

.tpg-btn-primary:hover {
  background-color: var(--tpg-primary-hover);
  border-color: var(--tpg-primary-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--tpg-shadow-md);
}

.tpg-btn-accent {
  background-color: var(--tpg-accent);
  color: #0F1412;
  border-color: var(--tpg-accent);
}

.tpg-btn-accent:hover {
  background-color: var(--tpg-accent-hover);
  border-color: var(--tpg-accent-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--tpg-shadow-glow);
}

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

.tpg-btn-secondary:hover {
  background-color: #1a221f;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--tpg-shadow-md);
}

.tpg-btn-outline {
  background-color: transparent;
  color: var(--tpg-text-heading);
  border-color: var(--tpg-border);
}

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

.tpg-btn-outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.28);
}

.tpg-btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.tpg-btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: var(--tpg-fs-xs);
}

.tpg-btn-lg {
  padding: 1.05rem 2.25rem;
  font-size: var(--tpg-fs-base);
}

.tpg-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Badges & Section Headers */
.tpg-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.35rem 0.85rem;
  font-family: var(--tpg-font-heading);
  font-weight: 600;
  font-size: var(--tpg-fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--tpg-radius-pill);
  background-color: var(--tpg-primary-light);
  color: var(--tpg-secondary);
  border: 1px solid var(--tpg-border);
  margin-bottom: 1rem;
}

.tpg-badge-accent {
  background-color: var(--tpg-accent-subtle);
  color: #0F1412;
  border-color: rgba(127, 131, 117, 0.3);
}

.tpg-badge-dark {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--tpg-accent);
  border-color: rgba(255, 255, 255, 0.16);
}

.tpg-badge-placeholder {
  background-color: rgba(127, 131, 117, 0.15);
  color: var(--tpg-text-body);
  border: 1px dashed var(--tpg-primary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
}

.tpg-section-header {
  margin-bottom: var(--tpg-sp-2xl);
}

.tpg-section-header.text-center {
  text-align: center;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.tpg-section-title {
  margin-bottom: 1rem;
}

.tpg-section-subtitle {
  font-size: var(--tpg-fs-md);
  color: var(--tpg-text-muted);
  line-height: 1.6;
}

.tpg-bg-dark .tpg-section-subtitle {
  color: #9CA3AF;
}

/* Cards & Generic Surfaces */
.tpg-card {
  background-color: var(--tpg-white);
  border: 1px solid var(--tpg-border);
  border-radius: var(--tpg-radius-md);
  padding: var(--tpg-sp-xl);
  transition: all var(--tpg-transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
}

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

.tpg-card-dark {
  background-color: var(--tpg-bg-card-dark);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--tpg-text-on-dark);
}

.tpg-card-dark:hover {
  border-color: var(--tpg-primary);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  :root {
    --tpg-fs-3xl: 2.5rem;
    --tpg-fs-2xl: 2rem;
    --tpg-fs-xl: 1.6rem;
    --tpg-sp-3xl: 4.5rem;
    --tpg-sp-2xl: 3rem;
  }
  .tpg-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .tpg-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --tpg-fs-3xl: 2.15rem;
    --tpg-fs-2xl: 1.75rem;
    --tpg-fs-xl: 1.35rem;
    --tpg-sp-3xl: 3.5rem;
    --tpg-sp-2xl: 2.25rem;
    --tpg-container-pad: 1.25rem;
  }
  .tpg-grid-4,
  .tpg-grid-3,
  .tpg-grid-2 {
    grid-template-columns: 1fr;
    gap: var(--tpg-sp-lg);
  }
  .tpg-btn-group {
    flex-direction: column;
    align-items: stretch;
  }
  .tpg-btn {
    width: 100%;
  }
}

/* Selection Styling */
::selection {
  background-color: var(--tpg-primary);
  color: #FFFFFF;
}
::-moz-selection {
  background-color: var(--tpg-primary);
  color: #FFFFFF;
}