/* ==========================================================================
   Young and Salted - Core Design System & Global Styles
   Strict Light Mode | Brand Color: #11A84B | Zero Gradients
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Brand Colors */
  --color-brand-primary: #11A84B;       /* Official Young and Salted Green */
  --color-brand-dark: #0B6B30;          /* Deep contrast green for hover & prominent accents */
  --color-brand-deep: #07451F;          /* Deepest green for high-contrast titles & badges */
  --color-brand-light: #EBF7EE;         /* Very soft green tint for badges, tags, pill containers */
  --color-brand-border: #C2E7CD;        /* Soft green border */

  /* Neutral Palette (Strict Light Mode - Single Clean Background) */
  --color-bg-white: #FFFFFF;            /* Single primary background */
  --color-bg-page: #FFFFFF;             /* Unified flat background across the site */
  --color-bg-subtle: #FAFAF9;           /* Very subtle card/section tone */
  --color-bg-card: #FFFFFF;             /* Flat card background */

  /* Typography Colors */
  --color-text-main: #111814;           /* Deep readable dark tone */
  --color-text-body: #374151;           /* Readable body slate */
  --color-text-muted: #6B7280;          /* Secondary muted text */
  --color-text-light: #9CA3AF;          /* Subtle borders & meta */

  /* Soft Outlines & Borders (Very faint outlines) */
  --color-border: #EEF2EE;              /* Very faint clean outline */
  --color-border-subtle: rgba(0, 0, 0, 0.05);
  --color-border-dark: #D1D5DB;         /* Input outlines */

  /* Shadows (Flat, minimal) */
  --shadow-xs: none;
  --shadow-sm: none;
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.06);

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Typography Scale */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --container-max-width: 1240px;
  --header-height: 84px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-page);
  color: var(--color-text-body);
  line-height: 1.6;
  font-weight: 400;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

input, button, textarea, select {
  font: inherit;
}

a {
  color: var(--color-brand-primary);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

a:hover {
  color: var(--color-brand-dark);
}

ul, ol {
  list-style: none;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-main);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.75rem; font-weight: 800; }
h2 { font-size: 2.15rem; }
h3 { font-size: 1.45rem; }
h4 { font-size: 1.2rem; }

p {
  margin-bottom: 1rem;
}
p:last-child {
  margin-bottom: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* --------------------------------------------------------------------------
   Header & Navigation (Transparent Blend to Solid White on Scroll)
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: background-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              padding 0.3s ease;
  padding: 0.5rem 0;
}

/* When Scrolled Past Hero */
.site-header.scrolled {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  padding: 0;
}

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

.brand-logo-link {
  display: inline-flex;
  align-items: center;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

/* Logo switching via CSS */
.logo-white {
  display: block;
}
.logo-green {
  display: none;
}

.site-header.scrolled .logo-white {
  display: none;
}
.site-header.scrolled .logo-green {
  display: block;
}

/* Navigation Links */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.85rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: #FFFFFF; /* White when transparent over dark hero */
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: #A3E6B8;
}

.site-header.scrolled .nav-link {
  color: var(--color-text-main);
}

.site-header.scrolled .nav-link:hover {
  color: var(--color-brand-primary);
}

.nav-link.active {
  color: #A3E6B8;
}

.site-header.scrolled .nav-link.active {
  color: var(--color-brand-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Toggle */
.mobile-toggle-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: #FFFFFF;
  transition: color 0.2s ease;
}

.site-header.scrolled .mobile-toggle-btn {
  color: var(--color-text-main);
}

.mobile-toggle-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
}

.mobile-drawer.open {
  display: block;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.mobile-nav-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-main);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  display: block;
}

.mobile-nav-link.active {
  color: var(--color-brand-primary);
}

/* --------------------------------------------------------------------------
   Scroll Reveal Animation Classes
   -------------------------------------------------------------------------- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Buttons (Flat, high-contrast, zero gradients) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
  line-height: 1.2;
}

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

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

.btn-secondary {
  background-color: var(--color-bg-white);
  color: var(--color-brand-dark);
  border-color: var(--color-brand-primary);
}

.btn-secondary:hover {
  background-color: var(--color-brand-light);
  color: var(--color-brand-dark);
}

.btn-dark {
  background-color: #141C16;
  color: #FFFFFF;
  border-color: #141C16;
}

.btn-dark:hover {
  background-color: #07451F;
  border-color: #07451F;
  color: #FFFFFF;
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--color-brand-dark);
  border-color: #FFFFFF;
}

.btn-white:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-brand-deep);
}

.btn-lg {
  font-size: 1.05rem;
  padding: 0.95rem 1.8rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  font-size: 0.85rem;
  padding: 0.5rem 0.9rem;
}

/* Section Components */
.section {
  padding: 5rem 0;
}

.section-sm {
  padding: 3rem 0;
}

.section-white {
  background-color: var(--color-bg-white);
}

.section-subtle {
  background-color: var(--color-bg-subtle);
}

.section-brand-tint {
  background-color: var(--color-brand-light);
}

.section-brand-solid {
  background-color: var(--color-brand-primary);
  color: #FFFFFF;
}

.section-header {
  margin-bottom: 3rem;
}

.section-header.text-center {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background-color: var(--color-brand-light);
  color: var(--color-brand-deep);
  border: 1px solid var(--color-brand-border);
  margin-bottom: 1rem;
}

.pill-badge.pill-white {
  background-color: #FFFFFF;
  color: var(--color-brand-deep);
  border-color: #FFFFFF;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--color-text-main);
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Footer (Solid Clean Professional NGO Style) */
.site-footer {
  background-color: #111C15;
  color: #CFD8D2;
  padding-top: 4.5rem;
  padding-bottom: 2rem;
  margin-top: auto;
  border-top: 4px solid var(--color-brand-primary);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  color: #9FB2A5;
  margin-top: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.65;
}

.footer-logo-img {
  height: 48px;
  width: auto;
}

.footer-heading {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #B5C4BB;
  font-size: 0.93rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.footer-links a:hover {
  color: #FFFFFF;
  transform: translateX(3px);
  text-decoration: none;
}

.footer-links a svg {
  width: 12px;
  height: 12px;
  color: var(--color-brand-primary);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.footer-links a:hover svg {
  transform: translateX(2px);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-size: 0.93rem;
  color: #B5C4BB;
}

.footer-contact-item a {
  color: #B5C4BB;
  transition: color 0.2s ease;
}

.footer-contact-item a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-contact-icon-box {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer-contact-icon-box svg {
  width: 16px;
  height: 16px;
  color: var(--color-brand-primary);
}

.footer-partner-box {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  margin-top: 1.25rem;
}

.footer-partner-box h5 {
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.footer-partner-box p {
  font-size: 0.85rem;
  color: #CFD8D2;
  margin-bottom: 0;
}

.footer-social-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.footer-social-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #CFD8D2;
  transition: all 0.2s ease;
}

.footer-social-icon:hover {
  background-color: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: #7E9285;
}

.footer-bottom a {
  color: #A0B3A6;
}

.footer-bottom a:hover {
  color: #FFFFFF;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .nav-desktop {
    display: none;
  }
  .mobile-toggle-btn {
    display: block;
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.85rem; }
}

@media (max-width: 640px) {
  .top-bar-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .header-actions .btn {
    display: none;
  }
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }
  .section { padding: 3.5rem 0; }
}