:root {
  --bg: #f6fbf8;
  --card: #ffffff;
  --primary: #1f8f63;
  --primary-dark: #156f4d;
  --accent: #d7b76a;
  --text: #1c2a23;
  --muted: #5d6b64;
  --danger: #c0392b;
  --shadow: 0 12px 32px rgba(18, 73, 53, 0.12);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans Devanagari", "Poppins", system-ui, -apple-system,
    sans-serif;
  background: radial-gradient(circle at top, #eef9f2 0%, var(--bg) 40%, #f9fcfa 100%);
  color: var(--text);
}

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

.logo-wrap {
  display: flex;
  justify-content: center;
  margin: 10px auto 0;
  pointer-events: none;
}

.top-image {
  display: block;
  max-height: 64px;
  max-width: 220px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  background: rgba(255,255,255,0.95);
  box-shadow: 0 8px 20px rgba(10, 40, 30, 0.06);
  padding: 6px;
}

@media (min-width: 760px) {
  .logo-wrap {
    margin-top: -36px;
  }
  .top-image {
    max-height: 88px;
    max-width: 280px;
    padding: 8px;
  }
  .hero-content { padding-top: 40px; text-align: center; }
}

.hero {
  margin: 22px auto 24px;
  border-radius: 24px;
  background: linear-gradient(120deg, #1f8f63, #2ca876 45%, #8ccf87 100%);
  color: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

.hero::before {
  width: 220px;
  height: 220px;
  right: -70px;
  top: -80px;
}

.hero::after {
  width: 150px;
  height: 150px;
  left: -50px;
  bottom: -60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 32px 24px;
}

h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  letter-spacing: 0.2px;
}

.hero h1 {
  font-size: clamp(1.3rem, 2.8vw, 1.9rem);
  margin: 0 0 4px;
}

.guide-links {
  margin: 10px 0 0;
  padding-left: 18px;
}

.guide-links li {
  margin-bottom: 8px;
}

.guide-links a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.guide-links a:hover {
  text-decoration: underline;
}

.subtitle {
  margin: 10px 0 0;
  opacity: 0.95;
  font-size: clamp(0.95rem, 2.1vw, 1.08rem);
}

.hero-subtitle {
  margin: 10px 0 0;
  opacity: 0.9;
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 400;
}

.hero-btn {
  display: inline-block;
  margin-top: 35px;
  margin-bottom: 10px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.hero-btn:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 14px 28px rgba(21, 111, 77, 0.35);
  background: linear-gradient(120deg, #115e3d, #1a7a52);
}

form {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(12, 1fr);
}

.card {
  grid-column: span 12;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  animation: riseIn 0.55s ease both;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(17, 61, 45, 0.14);
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 760px) {
  .card.split {
    grid-column: span 6;
  }
}

.card h2 {
  margin: 0 0 14px;
  font-size: 1.1rem;
  color: var(--primary-dark);
  border-bottom: 1px solid #e9f1ec;
  padding-bottom: 10px;
}

.field-grid {
  display: grid;
  gap: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field label {
  font-size: 0.95rem;
  font-weight: 500;
}

.field input[type="number"] {
  width: 100%;
  border: 1px solid #d9e9df;
  border-radius: 10px;
  padding: 12px;
  font-size: 1rem;
  background: #fcfffd;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field select {
  width: 100%;
  border: 1px solid #d9e9df;
  border-radius: 10px;
  padding: 12px;
  font-size: 1rem;
  background: #fcfffd;
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(31, 143, 99, 0.15);
}

.field input[type="number"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(31, 143, 99, 0.15);
}

.inline-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.helper-text {
  margin: 6px 0 0;
  padding: 8px 12px;
  border-radius: 8px;
  background: #fff8e1;
  border: 1px solid #f9c83a;
  color: #7a5c00;
  font-size: 0.84rem;
  line-height: 1.5;
}

.madhab-status {
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #d8ebdf;
  background: #f6fbf8;
  font-size: 0.88rem;
  color: #234938;
}

.calc-value {
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #f4fbf7;
  border: 1px dashed #c9e5d6;
  color: var(--primary-dark);
  font-weight: 600;
}

.radio-group {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

.radio-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fbfefb;
  border: 1px solid #deede4;
  border-radius: 10px;
  padding: 10px 12px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 0.96rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
  color: #fff;
  box-shadow: 0 10px 20px rgba(31, 143, 99, 0.25);
}

.btn-secondary {
  background: #edf6f1;
  color: #1f5540;
}

.error {
  margin-top: 8px;
  color: var(--danger);
  font-size: 0.9rem;
  font-weight: 500;
  min-height: 20px;
}

.result-card {
  margin: 8px 0 26px;
  background: linear-gradient(145deg, #fefdf8, #fff);
  border: 1px solid #f1e6c8;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.result-title {
  margin: 0 0 14px;
  color: #8a6f35;
  font-size: 1.08rem;
}

.result-list {
  display: grid;
  gap: 10px;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid #f3ebd5;
  padding: 11px 12px;
}

.result-item strong {
  color: #3f4d45;
}

.result-item span {
  font-weight: 700;
  color: #2e5e48;
}

.result-item.highlight {
  border: 1px solid #e5c679;
  background: #fffaf0;
}

.formula-box {
  margin-top: 14px;
  padding: 12px 16px;
  background: #f0f9f4;
  border: 1px dashed #a8d8bc;
  border-radius: 10px;
  font-size: 0.9rem;
  color: #234938;
  line-height: 1.8;
}

.formula-box:empty {
  display: none;
}

.formula-box .formula-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.formula-box .formula-line.formula-zakat {
  font-weight: 700;
  color: var(--primary-dark);
  border-top: 1px solid #c9e5d6;
  margin-top: 6px;
  padding-top: 6px;
}

.scholar-disclaimer {
  margin-top: 10px;
  padding: 10px 14px;
  background: #fefce8;
  border: 1px solid #fde68a;
  border-radius: 10px;
  color: #713f12;
  font-size: 0.84rem;
  line-height: 1.6;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  padding-bottom: 24px;
}

.info-section {
  margin: 0 0 26px;
  display: grid;
  gap: 16px;
}

.info-card {
  background: #fff;
  border: 1px solid #e4efe8;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.info-card h3 {
  margin: 0 0 10px;
  color: var(--primary-dark);
  font-size: 1.06rem;
}

.info-card p,
.info-card li {
  color: #33463d;
  line-height: 1.6;
}

.info-card ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.quick-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 0.94rem;
}

.quick-table th,
.quick-table td {
  border: 1px solid #e2ece6;
  padding: 9px 10px;
  text-align: left;
}

.quick-table th {
  background: #f2f8f5;
  color: #2c5845;
}

.faq-item {
  border: 1px solid #deebe4;
  border-radius: 10px;
  padding: 10px 12px;
  background: #fcfffd;
  margin-bottom: 8px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: #224837;
}

.faq-item p {
  margin: 8px 0 0;
}

.faq-item ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.nisab-notes { margin-top: 1rem; color: #4b5563; font-size: 0.95rem; line-height: 1.5; }
.nisab-notes ol { padding-left: 1.2rem; margin: 0; }
.nisab-notes li { margin-bottom: 0.4rem; }

.developer-credit {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: #6b7280;
  font-weight: 600;
}

.footer-links {
  margin-top: 0.75rem;
  font-size: 0.85rem;
}
.footer-links a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}
.footer-links a:hover {
  text-decoration: underline;
}

.controls-row {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding-top: 16px;
  margin-bottom: 0;
  gap: 10px;
  flex-wrap: wrap;
  direction: ltr;
}
.control-group {
  display: flex;
  align-items: center;
  gap: 6px;
}
.control-label {
  font-size: 1rem;
}
.control-select {
  border: 1px solid #c8e6d8;
  border-radius: 10px;
  padding: 6px 12px;
  font-size: 0.9rem;
  font-weight: 600;
  background: #e8f5ee;
  color: var(--primary-dark);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.control-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(31,143,99,0.15);
}

/* ── Navbar ── */
.navbar {
  background: linear-gradient(120deg, #1f8f63, #2ca876);
  box-shadow: 0 2px 12px rgba(18,73,53,0.15);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.nav-container {
  width: min(1080px, 92vw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  position: relative;
}
.nav-brand {
  color: #fff;
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  white-space: nowrap;
}
.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
  flex-wrap: nowrap;
}
.nav-link {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  transition: background 0.2s;
  white-space: nowrap;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  display: block;
}
.nav-link:hover, .nav-link.active {
  background: rgba(255,255,255,0.18);
  color: #fff;
}
/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-btn { display: flex; align-items: center; gap: 4px; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(18,73,53,0.18);
  list-style: none;
  padding: 8px 0;
  min-width: 200px;
  z-index: 200;
  margin: 0;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown-link {
  display: block;
  padding: 9px 18px;
  color: #1c2a23;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s;
}
.nav-dropdown-link:hover { background: #e8f8f0; color: #1f8f63; }
/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}
@media (max-width: 760px) {
  .nav-hamburger { display: flex; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: #1a7d57;
    flex-direction: column;
    padding: 8px 16px 16px;
    gap: 2px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  }
  .nav-menu.open { display: flex; }
  .nav-link { padding: 10px 12px; display: block; }
  .nav-dropdown-menu {
    position: static;
    background: rgba(0,0,0,0.15);
    box-shadow: none;
    border-radius: 8px;
    padding: 4px 0;
    margin: 2px 0 4px;
  }
  .nav-dropdown-link { color: rgba(255,255,255,0.85); padding: 8px 24px; font-size: 0.88rem; }
  .nav-dropdown-link:hover { background: rgba(255,255,255,0.15); color: #fff; }
  .nav-dropdown:hover .nav-dropdown-menu { display: none; }
  .nav-dropdown.open .nav-dropdown-menu { display: block; }
}