/* ============================================================
   KOUSIKA NEERKARANGAL — Main Stylesheet
   Design: White background, natural leaf green, clean & minimal
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

:root {
  --green-dark:   #1a5c38;
  --green-mid:    #217a4a;
  --green-btn:    #1e6b3f;
  --green-hover:  #174f32;
  --green-badge:  #16a34a;
  --green-light:  #dcfce7;
  --green-muted:  #f0fdf4;
  --green-border: #bbf7d0;
  --text-dark:    #111827;
  --text-mid:     #374151;
  --text-light:   #6b7280;
  --text-xlight:  #9ca3af;
  --white:        #ffffff;
  --bg-page:      #f9fafb;
  --bg-card:      #ffffff;
  --border:       #e5e7eb;
  --border-light: #f3f4f6;
  --footer-bg:    #1f2937;
  --footer-text:  #9ca3af;
  --footer-head:  #f3f4f6;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg:    0 10px 32px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
  --radius:       10px;
  --radius-sm:    6px;
  --radius-pill:  100px;
  --nav-h:        68px;
  --transition:   0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-page);
  color: var(--text-dark);
  overflow-x: hidden;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-page); }
::-webkit-scrollbar-thumb { background: var(--green-border); border-radius: 3px; }

/* ── LINKS ── */
a { color: var(--green-mid); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green-dark); }

/* ─────────────────────────────────────────
   NAVBAR
───────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: #1a5c38;
  display: flex; align-items: center;
  padding: 0 2rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}
.navbar-inner {
  width: 100%; max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.navbar-brand {
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none; flex-shrink: 0;
}
.brand-logo {
  width: 40px; height: 40px;
  border-radius: 50%; overflow: hidden;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.brand-logo img { width: 36px; height: 36px; object-fit: cover; }
.brand-logo-icon { font-size: 20px; }
.brand-name {
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem; font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.brand-name span { display: block; font-size: 0.65rem; font-weight: 400; opacity: 0.75; }

.navbar-nav {
  display: flex; align-items: center; gap: 0.25rem;
  list-style: none; flex: 1; justify-content: center;
}
.navbar-nav a {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem; font-weight: 500;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: flex; align-items: center; gap: 0.3rem;
  transition: all var(--transition);
}
.navbar-nav a:hover, .navbar-nav a.active {
  color: #fff; background: rgba(255,255,255,0.12);
}
.navbar-nav a.active {
  font-weight: 600;
  text-decoration: underline; text-underline-offset: 3px;
}
.nav-icon { font-size: 0.8rem; }

.navbar-actions {
  display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0;
}
.btn-donate {
  background: #fff; color: var(--green-dark);
  border: none; border-radius: var(--radius-pill);
  padding: 0.45rem 1.1rem;
  font-size: 0.82rem; font-weight: 600;
  cursor: pointer; font-family: inherit;
  display: flex; align-items: center; gap: 0.35rem;
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.btn-donate:hover { background: var(--green-light); transform: translateY(-1px); }
.btn-nav-login {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff; border-radius: var(--radius-pill);
  padding: 0.42rem 1.1rem;
  font-size: 0.82rem; font-weight: 500;
  cursor: pointer; font-family: inherit;
  display: flex; align-items: center; gap: 0.3rem;
  transition: all var(--transition);
}
.btn-nav-login:hover { background: rgba(255,255,255,0.2); }
.btn-nav-register {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.5);
  color: #fff; border-radius: var(--radius-pill);
  padding: 0.42rem 1.1rem;
  font-size: 0.82rem; font-weight: 600;
  cursor: pointer; font-family: inherit;
  display: flex; align-items: center; gap: 0.3rem;
  transition: all var(--transition);
}
.btn-nav-register:hover { border-color: #fff; background: rgba(255,255,255,0.15); }

/* Hamburger */
.hamburger {
  display: none;
  background: none; border: none; cursor: pointer;
  padding: 0.3rem; color: #fff; font-size: 1.4rem;
  flex-direction: column; gap: 5px; align-items: center; justify-content: center;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: #fff; border-radius: 2px;
  transition: all 0.3s ease;
}
.mobile-nav {
  display: none; position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: #1a5c38; z-index: 999;
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}
.mobile-nav.open { display: block; }
.mobile-nav ul { list-style: none; }
.mobile-nav ul li a {
  display: flex; align-items: center; gap: 0.5rem;
  color: rgba(255,255,255,0.88); font-size: 0.92rem; font-weight: 500;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  text-decoration: none;
}
.mobile-nav ul li:last-child a { border-bottom: none; }
.mobile-nav-actions {
  display: flex; flex-direction: column; gap: 0.6rem;
  margin-top: 1.2rem;
}
.mobile-nav-actions .btn-donate,
.mobile-nav-actions .btn-nav-login,
.mobile-nav-actions .btn-nav-register {
  width: 100%; justify-content: center; border-radius: var(--radius-sm);
  padding: 0.7rem;
}

/* ─────────────────────────────────────────
   PAGE WRAPPER
───────────────────────────────────────── */
.page-wrap { padding-top: var(--nav-h); min-height: 100vh; }

/* ─────────────────────────────────────────
   PAGE HEADER (Activities, Projects, etc.)
───────────────────────────────────────── */
.page-header {
  background: #fff;
  padding: 2.5rem 2rem 2rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.page-header h1 {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 700; color: var(--text-dark);
  margin-bottom: 0.4rem;
}
.page-header p { font-size: 0.9rem; color: var(--text-light); }
.breadcrumb {
  font-size: 0.82rem; color: var(--text-light);
  margin-top: 0.7rem;
  display: flex; align-items: center; justify-content: center; gap: 0.4rem;
}
.breadcrumb a { color: var(--green-mid); }
.breadcrumb span { color: var(--text-light); }

/* ─────────────────────────────────────────
   CARDS GRID
───────────────────────────────────────── */
.cards-section { padding: 2.5rem 2rem; }
.cards-section-inner { max-width: 1270px; margin: 0 auto; }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

/* ─────────────────────────────────────────
   CARD COMPONENT
───────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.card-img-wrap {
  position: relative; width: 100%; overflow: hidden;
}
.card-img {
  width: 100%; height: 200px;
  object-fit: cover; display: block;
  background: var(--green-muted);
  transition: transform 0.3s ease;
}
.card:hover .card-img { transform: scale(1.03); }
.card-img-placeholder {
  width: 100%; height: 200px;
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; color: var(--green-mid);
}
.card-badge {
  position: absolute; top: 0.75rem; right: 0.75rem;
  background: var(--green-badge);
  color: #fff; font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.25rem 0.7rem; border-radius: var(--radius-pill);
}
.card-badge.ongoing   { background: #2563eb; }
.card-badge.completed { background: var(--green-badge); }
.card-badge.planned   { background: #6b7280; }
.card-badge.active    { background: var(--green-badge); }
.card-badge.on_hold   { background: #dc2626; }

.card-body { padding: 1.2rem 1.25rem 0.75rem; }
.card-title {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem; font-weight: 600;
  color: var(--text-dark); margin-bottom: 0.3rem;
  line-height: 1.35;
}
.card-subtitle {
  font-size: 0.82rem; color: var(--text-light);
  margin-bottom: 0.5rem;
  display: flex; align-items: center; gap: 0.25rem;
}
.card-desc {
  font-size: 0.83rem; color: var(--text-mid);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-footer { padding: 0.85rem 1.25rem; }
.btn-view {
  width: 100%;
  background: var(--green-btn);
  color: #fff; border: none; border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
  font-size: 0.85rem; font-weight: 600;
  cursor: pointer; font-family: inherit;
  display: flex; align-items: center; justify-content: center; gap: 0.4rem;
  transition: background var(--transition), transform var(--transition);
}
.btn-view:hover { background: var(--green-hover); transform: translateY(-1px); }

/* ─────────────────────────────────────────
   INVOLVED BANNER (green gradient)
───────────────────────────────────────── */
.involved-banner {
  background: linear-gradient(135deg, #1a5c38 0%, #16a34a 100%);
  padding: 4rem 2rem;
  text-align: center;
  color: #fff;
}
.involved-banner h2 {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700; margin-bottom: 0.75rem;
}
.involved-banner p {
  font-size: 0.92rem; opacity: 0.85;
  max-width: 500px; margin: 0 auto 1.8rem;
  line-height: 1.7;
}
.btn-contact {
  background: rgba(255,255,255,0.15);
  border: 1.5px solid rgba(255,255,255,0.5);
  color: #fff; border-radius: var(--radius-sm);
  padding: 0.75rem 1.8rem;
  font-size: 0.88rem; font-weight: 600;
  cursor: pointer; font-family: inherit;
  display: inline-flex; align-items: center; gap: 0.4rem;
  transition: all var(--transition);
}
.btn-contact:hover { background: rgba(255,255,255,0.25); border-color: #fff; }

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
.site-footer {
  background: var(--footer-bg);
  padding: 3rem 2rem 1.5rem;
  color: var(--footer-text);
}
.footer-inner {
  max-width: 1280px; margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 1.5rem;
}
.footer-brand-name {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem; font-weight: 600;
  color: var(--footer-head);
  margin-bottom: 0.6rem;
}
.footer-tagline { font-size: 0.82rem; line-height: 1.75; max-width: 260px; }
.footer-socials {
  display: flex; gap: 0.6rem; margin-top: 1.2rem;
}
.footer-social {
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--footer-text); font-size: 0.82rem;
  text-decoration: none; transition: background var(--transition), color var(--transition);
  cursor: pointer;
}
.footer-social:hover { background: var(--green-mid); color: #fff; }
.footer-col h4 {
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--footer-head); margin-bottom: 1rem;
}
.footer-links { list-style: none; }
.footer-links li + li { margin-top: 0.5rem; }
.footer-links a {
  font-size: 0.83rem; color: var(--footer-text);
  text-decoration: none; transition: color var(--transition);
  display: flex; align-items: center; gap: 0.35rem;
}
.footer-links a:hover { color: #fff; }
.footer-contact-row {
  display: flex; align-items: flex-start; gap: 0.6rem;
  margin-bottom: 0.65rem; font-size: 0.82rem;
  color: var(--footer-text); line-height: 1.55;
}
.footer-contact-row .fi { flex-shrink: 0; color: var(--green-badge); font-size: 0.82rem; margin-top: 2px; }
.footer-bottom {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  font-size: 0.76rem; color: rgba(255,255,255,0.25);
  flex-wrap: wrap;
}
.footer-bottom a { color: rgba(255,255,255,0.3); text-decoration: none; }
.footer-bottom a:hover { color: rgba(255,255,255,0.6); }

/* ─────────────────────────────────────────
   BUTTONS (global)
───────────────────────────────────────── */
.btn-primary {
  background: var(--green-btn);
  color: #fff; border: none; border-radius: var(--radius-sm);
  padding: 0.8rem 1.8rem;
  font-size: 0.9rem; font-weight: 600;
  cursor: pointer; font-family: inherit;
  display: inline-flex; align-items: center; gap: 0.4rem;
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover { background: var(--green-hover); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--green-btn); border: 1.5px solid var(--green-btn);
  border-radius: var(--radius-sm); padding: 0.78rem 1.8rem;
  font-size: 0.9rem; font-weight: 600;
  cursor: pointer; font-family: inherit;
  display: inline-flex; align-items: center; gap: 0.4rem;
  transition: all var(--transition);
}
.btn-outline:hover { background: var(--green-muted); }

/* ─────────────────────────────────────────
   LOADING SKELETONS
───────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}
.sk-card { height: 300px; border-radius: var(--radius); }

/* ─────────────────────────────────────────
   EMPTY STATE
───────────────────────────────────────── */
.empty-state {
  grid-column: 1 / -1;
  text-align: center; padding: 4rem 2rem;
  color: var(--text-light);
}
.empty-icon { font-size: 3rem; margin-bottom: 0.75rem; }
.empty-title { font-family: 'Poppins', sans-serif; font-size: 1.1rem; font-weight: 600; margin-bottom: 0.4rem; color: var(--text-mid); }
.empty-desc  { font-size: 0.85rem; line-height: 1.7; }

/* ─────────────────────────────────────────
   FORM CONTROLS
───────────────────────────────────────── */
.form-group { margin-bottom: 1.1rem; }
.form-label {
  display: block; font-size: 0.83rem; font-weight: 500;
  color: var(--text-mid); margin-bottom: 0.4rem;
}
.form-label .req { color: #dc2626; margin-left: 2px; }
.form-control {
  width: 100%; padding: 0.72rem 1rem;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 0.88rem; color: var(--text-dark);
  background: #fff; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(34,122,74,0.1);
}
.form-control::placeholder { color: var(--text-xlight); }
textarea.form-control { resize: vertical; min-height: 110px; }

/* Inline checkbox */
.form-check {
  display: flex; align-items: center; gap: 0.55rem;
  font-size: 0.85rem; color: var(--text-mid); cursor: pointer;
}
.form-check input[type=checkbox] {
  width: 16px; height: 16px; accent-color: var(--green-mid);
  cursor: pointer; flex-shrink: 0;
}

/* ─────────────────────────────────────────
   MODAL
───────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.22s ease;
}
.modal-backdrop.open { opacity: 1; pointer-events: all; }
.modal-box {
  background: #fff; border-radius: var(--radius);
  max-width: 640px; width: 100%;
  max-height: 88vh; overflow-y: auto;
  transform: translateY(18px);
  transition: transform 0.22s ease;
  position: relative;
}
.modal-backdrop.open .modal-box { transform: translateY(0); }
.modal-close {
  position: absolute; top: 0.9rem; right: 0.9rem;
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(0,0,0,0.07); border: none; cursor: pointer;
  font-size: 1rem; display: flex; align-items: center; justify-content: center;
  z-index: 5; color: var(--text-mid);
  transition: background var(--transition);
}
.modal-close:hover { background: rgba(0,0,0,0.14); }

/* ─────────────────────────────────────────
   RESPONSIVE — Tablet
───────────────────────────────────────── */
@media (max-width: 900px) {
  .navbar-nav { display: none; }
  .navbar-actions { display: none; }
  .hamburger { display: flex; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

/* ─────────────────────────────────────────
   RESPONSIVE — Mobile
───────────────────────────────────────── */
@media (max-width: 600px) {
  :root { --nav-h: 60px; }
  .navbar { padding: 0 1rem; }
  .brand-name { font-size: 0.8rem; }
  .brand-logo { width: 34px; height: 34px; }
  .page-header { padding: 2rem 1rem 1.5rem; }
  .page-header h1 { font-size: 1.4rem; }
  .cards-section { padding: 1.5rem 1rem; }
  .cards-grid { grid-template-columns: 1fr; gap: 1rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 0.4rem; }
  .involved-banner { padding: 2.5rem 1rem; }
  .modal-backdrop { padding: 1rem; }
}

/* ─────────────────────────────────────────
   PARTNERS SECTION
───────────────────────────────────────── */
.partners-section {
  background: #fff; padding: 5rem 2rem;
  border-top: 1px solid var(--border);
  overflow: hidden;
}
.partners-inner { max-width: 1200px; margin: 0 auto; }
.partners-sub {
  text-align: center; font-size: 0.88rem; color: var(--text-light);
  margin-top: 0.4rem;
}
.partners-track-wrap {
  position: relative; overflow: hidden;
  margin-top: 2.5rem;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}
.partners-track {
  display: flex; align-items: center; gap: 1.5rem;
  width: max-content;
  animation: scroll-partners 28s linear infinite;
}
.partners-track:hover { animation-play-state: paused; }
@keyframes scroll-partners {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.partner-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.2rem 1.5rem;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.5rem; min-width: 160px; height: 110px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.partner-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.partner-logo {
  max-width: 120px; max-height: 50px; object-fit: contain;
  display: block;
}
.partner-fallback {
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--green-muted);
  display: flex; align-items: center; justify-content: center;
}
.partner-name {
  font-size: 0.72rem; font-weight: 600; color: var(--text-mid);
  text-align: center; letter-spacing: 0.02em;
  max-width: 130px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.partner-placeholder { color: var(--text-light); font-size: 0.85rem; padding: 2rem; }

@media (max-width: 600px) {
  .partners-section { padding: 3rem 1rem; }
  .partner-card { min-width: 130px; height: 95px; padding: 1rem; }
}