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

/* ---------- Design tokens ---------- */
:root {
  --bg: #f7f8fa;
  --bg-elevated: #ffffff;
  --text: #1c2230;
  --text-muted: #5b6472;
  --border: #e3e6eb;
  --accent: #0f766e;       /* teal - trust, calm */
  --accent-dark: #0b5a54;
  --accent-contrast: #ffffff;
  --warm: #e8781f;         /* orange - warmth, call to action */
  --warm-dark: #c4620f;
  --warm-contrast: #ffffff;
  --success: #1a7f37;
  --danger: #c0392b;
  --shadow: 0 4px 16px rgba(20, 25, 35, 0.08);
  --shadow-lg: 0 12px 32px rgba(20, 25, 35, 0.14);
  --radius: 14px;
  --radius-sm: 8px;
  --max-width: 1140px;
}

:root[data-theme="dark"] {
  --bg: #12151a;
  --bg-elevated: #1b1f27;
  --text: #eef0f3;
  --text-muted: #a2aab5;
  --border: #2a2f3a;
  --accent: #2dd4bf;
  --accent-dark: #14b8a6;
  --accent-contrast: #06231f;
  --warm: #f4924b;
  --warm-dark: #e8781f;
  --warm-contrast: #2b1602;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    --bg: #12151a;
    --bg-elevated: #1b1f27;
    --text: #eef0f3;
    --text-muted: #a2aab5;
    --border: #2a2f3a;
    --accent: #2dd4bf;
    --accent-dark: #14b8a6;
    --accent-contrast: #06231f;
    --warm: #f4924b;
    --warm-dark: #e8781f;
    --warm-contrast: #2b1602;
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  }
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Noto Sans', 'Noto Sans Devanagari', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.6;
  transition: background 0.2s ease, color 0.2s ease;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0 0 0.5em; font-weight: 700; line-height: 1.25; }
p { margin: 0 0 1em; color: var(--text-muted); }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text);
}
.brand .logo-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.brand-name-hi {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.lang-toggle button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 8px 12px;
  font-weight: 700;
  font-size: 0.82rem;
}
.lang-toggle button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-contrast);
}

.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  align-items: center;
  justify-content: center;
}
.hamburger span,
.hamburger span::before,
.hamburger span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: 0.2s;
}
.hamburger span::before { position: absolute; top: -6px; }
.hamburger span::after { position: absolute; top: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 2px solid transparent;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--warm); color: var(--warm-contrast); }
.btn-primary:hover { background: var(--warm-dark); }
.btn-outline { border-color: var(--accent); color: var(--accent); background: transparent; }
.btn-outline:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); }
.btn-ghost { color: var(--text); border-color: var(--border); }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 56px;
  background: radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.hero h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-visual {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), var(--warm));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

/* ---------- Sections ---------- */
.section { padding: 56px 0; }
.section-alt { background: var(--bg-elevated); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 640px; margin: 0 auto 36px; text-align: center; }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2rem); }

/* ---------- Grid / cards ---------- */
.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card h3 { font-size: 1.1rem; }
.card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent-dark);
  font-size: 1.4rem;
  margin-bottom: 14px;
}

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  text-align: center;
}
.stat-num { font-size: 2.1rem; font-weight: 800; color: var(--accent-dark); }
:root[data-theme="dark"] .stat-num { color: var(--accent); }
.stat-label { color: var(--text-muted); font-weight: 600; font-size: 0.9rem; }

/* ---------- Image placeholder ---------- */
.img-placeholder {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  border: 1.5px dashed var(--border);
  background: color-mix(in srgb, var(--accent) 6%, var(--bg));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--text-muted);
  text-align: center;
  padding: 16px;
  font-size: 0.85rem;
}
.img-placeholder .emoji { font-size: 1.8rem; }

/* ---------- Event / gallery cards ---------- */
.event-card { display: flex; flex-direction: column; }
.event-date {
  display: inline-block;
  align-self: flex-start;
  background: color-mix(in srgb, var(--warm) 16%, transparent);
  color: var(--warm-dark);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
:root[data-theme="dark"] .event-date { color: var(--warm); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}
.gallery-grid img.gallery-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* ---------- Forms ---------- */
.form-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 6px;
}
.form-hint {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 400;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
}
.form-group input[type="file"] {
  padding: 9px 12px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.checkbox-row { display: flex; align-items: flex-start; gap: 10px; }
.checkbox-row input { width: auto; margin-top: 4px; }
.checkbox-row label { font-weight: 500; }

.form-status {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  display: none;
}
.form-status.show { display: block; }
.form-status.success { background: color-mix(in srgb, var(--success) 16%, transparent); color: var(--success); }
.form-status.error { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }

/* ---------- Donate page ---------- */
.donate-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  align-items: start;
}
.qr-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow);
}
.qr-placeholder {
  width: 220px;
  height: 220px;
  margin: 0 auto 16px;
  border-radius: var(--radius-sm);
  border: 2px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.qr-image {
  width: 260px;
  max-width: 100%;
  margin: 0 auto 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.upi-id {
  display: inline-block;
  margin-top: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent-dark);
  font-weight: 700;
  font-family: monospace;
}
:root[data-theme="dark"] .upi-id { color: var(--accent); }

.notice-box {
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-top: 18px;
}

/* ---------- WhatsApp floating button ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 90;
  font-size: 1.6rem;
}
.whatsapp-float:hover { transform: scale(1.06); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  padding: 44px 0 24px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
}
.footer-grid h4 { font-size: 0.95rem; }
.footer-grid ul li { margin-bottom: 8px; }
.footer-grid a { color: var(--text-muted); }
.footer-grid a:hover { color: var(--accent); }
.footer-social { display: flex; gap: 10px; margin-top: 12px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .donate-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .site-header[data-open="true"] .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 12px 20px 20px;
    gap: 4px;
  }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}