/* ==========================================================================
   Sahajkranti Foundation - Core Design System & Optimization Stylesheet
   Based on DESIGN.md: Warm, deeply grounded, community-centric aesthetic
   ========================================================================== */

:root {
  /* Tonal Surface Palette */
  --color-surface: #FCF9F8;
  --color-surface-dim: #DCD9D9;
  --color-surface-bright: #FCF9F8;
  --color-surface-container: #F0EDED;
  --color-surface-card: #FFFFFF;
  --color-cream: #FFF8E7;
  --color-surface-light: #FAFAF8;

  /* Brand Accents */
  --color-primary: #F9A825;
  --color-primary-hover: #E68A00;
  --color-primary-fixed: #FFDDB5;
  --color-primary-deep: #835400;
  
  /* Ink & Typography */
  --color-ink: #111418;
  --color-ink-soft: #2A2A2A;
  --color-text-body: #3E3B37;
  --color-text-muted: #66615B;
  --color-text-subtle: #8A857D;

  /* Natural Architectural Borders */
  --color-border-warm: #F0E6D2;
  --color-border-clean: #EFECE6;
  --color-border-focus: #E68A00;

  /* Ambient Warm Shadow (No synthetic cold black drop shadows) */
  --shadow-warm-sm: 0 2px 8px -2px rgba(230, 138, 0, 0.08);
  --shadow-warm-md: 0 8px 24px -4px rgba(230, 138, 0, 0.10);
  --shadow-warm-lg: 0 16px 36px -6px rgba(230, 138, 0, 0.14);
  --shadow-elevation: 0 20px 40px -10px rgba(17, 20, 24, 0.18);

  /* Border Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Typography Families */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-devanagari: 'Noto Sans Devanagari', sans-serif;
  --font-serifdeva: 'Rozha One', 'Noto Sans Devanagari', serif;
}

/* ==================== RESET & BASE ==================== */
html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  background-color: #FFFFFF;
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.5;
  overflow-x: hidden;
}

::selection {
  background-color: var(--color-primary);
  color: var(--color-ink);
}

/* Accessible outline states */
:focus-visible {
  outline: 2px solid var(--color-primary-hover);
  outline-offset: 3px;
}

/* ==================== TYPOGRAPHY UTILITIES ==================== */
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }
.font-devanagari { font-family: var(--font-devanagari); }
.font-serifdeva { font-family: var(--font-serifdeva); }

/* ==================== CUSTOM UTILITIES ==================== */
.hide-scrollbar::-webkit-scrollbar {
  display: none;
}
.hide-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Ambient Warm Shadow Helper */
.shadow-warm-card {
  box-shadow: 0 4px 16px -2px rgba(230, 138, 0, 0.06);
  border: 1px solid var(--color-border-clean);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.shadow-warm-card:hover {
  box-shadow: var(--shadow-warm-md);
  border-color: var(--color-border-warm);
}

/* Card hover zoom */
.media-hover-zoom {
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.group:hover .media-hover-zoom {
  transform: scale(1.05);
}

/* Pulse indicator for live activity */
@keyframes warmPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.35);
    opacity: 0.6;
  }
}
.animate-warm-pulse {
  animation: warmPulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Shimmer highlight for hero/featured tags */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.shimmer-badge {
  background: linear-gradient(90deg, rgba(249,168,37,0.1) 0%, rgba(249,168,37,0.3) 50%, rgba(249,168,37,0.1) 100%);
  background-size: 200% 100%;
  animation: shimmer 3s infinite;
}

/* ==================== MODALS & LIGHTBOX ==================== */
.modal-backdrop {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  transform: scale(0.95) translateY(12px);
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-backdrop.active .modal-content {
  transform: scale(1) translateY(0);
}

/* ==================== DONATION TIERS ==================== */
.donation-tier-pill {
  border: 1.5px solid var(--color-border-warm);
  background-color: #FFFFFF;
  color: var(--color-ink);
  transition: all 0.2s ease;
  cursor: pointer;
}
.donation-tier-pill:hover {
  border-color: var(--color-primary);
  background-color: var(--color-cream);
}
.donation-tier-pill.active {
  border-color: var(--color-primary-hover);
  background-color: var(--color-cream);
  color: var(--color-ink);
  font-weight: 700;
  box-shadow: 0 0 0 2px rgba(249, 168, 37, 0.25);
}

/* ==================== OPPORTUNITY FILTER TAGS ==================== */
.filter-chip {
  height: 34px;
  border: 1px solid var(--color-border-clean);
  background-color: #FFFFFF;
  color: var(--color-text-body);
  transition: all 0.2s ease;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
}
.filter-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-ink);
}
.filter-chip.active {
  background-color: var(--color-cream);
  border-color: var(--color-primary-hover);
  color: var(--color-ink);
  font-weight: 600;
}
.filter-chip.active::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary-hover);
}

/* ==================== BUTTONS & HOVERS ==================== */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(230, 138, 0, 0.2);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  border: 1.5px solid var(--color-primary-hover);
  background-color: transparent;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.btn-secondary:hover {
  background-color: var(--color-cream);
  transform: translateY(-1px);
}
.btn-secondary:active {
  transform: translateY(0);
}

/* Responsive Table & Form Enhancements */
input, select, textarea {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--color-primary-hover) !important;
  box-shadow: 0 0 0 3px rgba(249, 168, 37, 0.2) !important;
}

/* Navigation Bar: Guaranteed 100% Solid Pure White Background */
header,
header.sticky {
  background-color: #FFFFFF !important;
  background: #FFFFFF !important;
  opacity: 1 !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

/* Print Stylesheet for Donations & Receipts */
@media print {
  header, footer, #join-modal, #employer-modal, #donate-modal, #toast, .hide-print {
    display: none !important;
  }
  body {
    background: #FFFFFF !important;
    color: #000000 !important;
  }
}