/* ============================================================
   APARNA ROY ENT FOUNDATION - HUMANITARIAN HEALTHCARE DESIGN SYSTEM
   Colors: Deep Navy (#0F2C59), Healthcare Teal (#0D9488),
           Warm Gold (#D97706), Soft Off-White (#F8FAFC)
   ============================================================ */

:root {
  --color-navy-primary: #0F2C59;
  --color-navy-dark: #0A1E3F;
  --color-navy-light: #1E3A8A;
  --color-teal-secondary: #0D9488;
  --color-teal-light: #14B8A6;
  --color-teal-soft: #F0FDF4;
  --color-gold-accent: #D97706;
  --color-gold-light: #F59E0B;
  --color-gold-soft: #FEF3C7;
  --color-bg-light: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-text-main: #1E293B;
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;
  --color-border-hover: #CBD5E1;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;

  --font-heading: 'Poppins', 'Manrope', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 44, 89, 0.08), 0 2px 4px -1px rgba(15, 44, 89, 0.04);
  --shadow-lg: 0 10px 25px -5px rgba(15, 44, 89, 0.12), 0 8px 10px -6px rgba(15, 44, 89, 0.06);
  --shadow-xl: 0 20px 30px -10px rgba(15, 44, 89, 0.2);

  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 80px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  line-height: 1.6;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-navy-primary);
  font-weight: 700;
  line-height: 1.25;
}

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

a:hover {
  color: var(--color-navy-primary);
}

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

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

.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section-padding {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3.5rem;
}

.section-tagline {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-teal-secondary);
  background-color: var(--color-teal-soft);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
  border: 1px solid rgba(13, 148, 136, 0.2);
}

.section-title {
  font-size: 2.25rem;
  color: var(--color-navy-primary);
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
}

.top-bar {
  background-color: var(--color-navy-dark);
  color: #E2E8F0;
  font-size: 0.85rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-bar-contact {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-bar-contact a {
  color: #CBD5E1;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-bar-contact a:hover {
  color: var(--color-gold-light);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.brand-logo-icon {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--color-navy-primary), var(--color-teal-secondary));
  color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(15, 44, 89, 0.25);
  font-weight: 800;
  font-size: 1.25rem;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-navy-primary);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-teal-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-link {
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--color-text-main);
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-teal-secondary);
  background-color: var(--color-teal-soft);
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-navy-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(15, 44, 89, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-navy-light);
  color: white;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-teal-secondary);
  color: white;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
}

.btn-secondary:hover {
  background-color: #0B7A70;
  color: white;
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--color-gold-accent);
  color: white;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.25);
}

.btn-accent:hover {
  background-color: var(--color-gold-light);
  color: white;
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-navy-primary);
  color: var(--color-navy-primary);
}

.btn-outline:hover {
  background-color: var(--color-navy-primary);
  color: white;
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.mobile-toggle-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-navy-primary);
  font-size: 1.75rem;
  cursor: pointer;
  padding: 0.5rem;
}

.hero-section {
  position: relative;
  background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy-primary) 60%, #153E75 100%);
  color: white;
  padding-top: 5rem;
  padding-bottom: 6rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gold-light);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.25rem;
  color: white;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-title span {
  color: var(--color-gold-light);
  display: block;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #E2E8F0;
  margin-bottom: 2.25rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.quick-actions-bar {
  margin-top: -3rem;
  position: relative;
  z-index: 10;
  margin-bottom: 4rem;
}

.quick-actions-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.action-card {
  background: var(--color-surface);
  padding: 1.5rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.action-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-teal-secondary);
  box-shadow: var(--shadow-lg);
}

.action-card-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--color-teal-soft);
  color: var(--color-teal-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.mission-vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.mv-card {
  background: var(--color-surface);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  position: relative;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.value-card {
  background: var(--color-surface);
  padding: 2rem 1.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}

.service-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

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

.process-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 2rem 1.5rem;
  text-align: center;
}

.process-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-teal-secondary);
}

.impact-counters-section {
  background: linear-gradient(135deg, var(--color-navy-dark), var(--color-navy-primary));
  color: white;
  padding: 5rem 0;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.counter-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 1.75rem 1rem;
  border-radius: var(--radius-md);
}

.counter-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-gold-light);
}

.form-card {
  background: var(--color-surface);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

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

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.925rem;
  margin-bottom: 0.5rem;
  color: var(--color-navy-primary);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background-color: var(--color-bg-light);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.site-footer {
  background-color: var(--color-navy-dark);
  color: #94A3B8;
  padding-top: 4.5rem;
  padding-bottom: 2rem;
  margin-top: auto;
  border-top: 3px solid var(--color-teal-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(5, 1fr);
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-col-title {
  color: white;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: #94A3B8;
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  z-index: 1000;
  padding: 0.5rem 0.25rem;
}

.mobile-bottom-nav-inner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  text-align: center;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 600;
}

.mobile-nav-item svg {
  width: 22px;
  height: 22px;
}

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .quick-actions-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .impact-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .main-nav, .header-cta-group { display: none; }
  .mobile-toggle-btn { display: block; }
  .mobile-bottom-nav { display: block; }
  body { padding-bottom: 70px; }
  .quick-actions-grid { grid-template-columns: repeat(2, 1fr); }
  .mission-vision-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.25rem; }
}