/* =============================================
   HectareCalculator.com — Master Stylesheet
   Mobile-first, AdSense-friendly, Fast
   ============================================= */

:root {
  --green:    #1B5E20;
  --green2:   #2E7D32;
  --green3:   #4CAF50;
  --accent:   #FF6F00;
  --accent2:  #FFB300;
  --bg:       #F8FAF8;
  --bg2:      #EEF3EE;
  --card:     #FFFFFF;
  --text:     #1A1A1A;
  --text2:    #4A5568;
  --muted:    #718096;
  --border:   #D1D9D1;
  --shadow:   0 2px 16px rgba(0,0,0,0.08);
  --shadow2:  0 8px 32px rgba(0,0,0,0.12);
  --radius:   12px;
  --radius2:  20px;
  --font:     'Inter', system-ui, sans-serif;
  --font-h:   'Poppins', system-ui, sans-serif;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: var(--green2); text-decoration: none; }
a:hover { color: var(--green); text-decoration: underline; }

/* ---- LAYOUT ---- */
.container { max-width: 1180px; margin: 0 auto; padding: 0 16px; }

/* ---- HEADER ---- */
.site-header {
  background: #fff;
  border-bottom: 2px solid var(--border);
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.header-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 12px 16px; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; }
.logo-icon { font-size: 1.6rem; line-height: 1; }
.logo-main { font-family: var(--font-h); font-size: 1.35rem; font-weight: 900; display: block; line-height: 1; }
.accent { color: var(--green3); }
.logo-sub { font-size: 0.65rem; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  color: var(--text2); font-weight: 500; font-size: 0.875rem;
  padding: 6px 12px; border-radius: 8px;
  transition: background 0.18s, color 0.18s;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--green2); color: #fff; text-decoration: none;
}
.nav-toggle {
  display: none; background: none; border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 10px;
  font-size: 1.25rem; cursor: pointer; color: var(--text);
}

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, var(--green) 0%, var(--green2) 60%, #388E3C 100%);
  color: #fff; padding: 52px 16px 72px; text-align: center;
  position: relative; overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='40' cy='40' r='1.5' fill='white' fill-opacity='0.05'/%3E%3C/svg%3E");
}
.hero .container { position: relative; }
.hero h1 {
  font-family: var(--font-h);
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  font-weight: 900; line-height: 1.15; margin-bottom: 14px;
}
.hero h1 span { color: #A5D6A7; }
.hero p { font-size: 1.05rem; opacity: 0.9; max-width: 560px; margin: 0 auto 24px; }
.badge-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 16px; }
.badge {
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.3);
  color: #fff; padding: 5px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 500;
}

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  background: linear-gradient(135deg, var(--green) 0%, var(--green2) 100%);
  color: #fff; padding: 36px 16px 48px;
}
.page-hero h1 { font-family: var(--font-h); font-size: clamp(1.5rem, 4vw, 2.4rem); font-weight: 900; margin-bottom: 8px; }
.page-hero p { opacity: 0.88; max-width: 600px; }

/* ---- BREADCRUMB ---- */
.breadcrumb-bar { background: var(--bg2); border-bottom: 1px solid var(--border); padding: 8px 0; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; font-size: 0.83rem; list-style: none; }
.breadcrumb a { color: var(--text2); }
.breadcrumb a:hover { color: var(--green2); }
.bc-sep { color: var(--muted); margin: 0 2px; }

/* ---- CALC CARD ---- */
.calc-section { margin-top: -36px; padding-bottom: 48px; }
.calc-card {
  background: var(--card);
  border-radius: var(--radius2);
  box-shadow: var(--shadow2);
  overflow: hidden;
  max-width: 780px; margin: 0 auto;
}
.calc-header {
  background: var(--bg2); padding: 20px 24px 0;
  border-bottom: 1px solid var(--border);
}
.calc-tabs { display: flex; gap: 4px; }
.calc-tab {
  padding: 10px 20px; border: none; background: transparent;
  font-family: var(--font); font-size: 0.9rem; font-weight: 600;
  color: var(--muted); cursor: pointer; border-radius: 10px 10px 0 0;
  transition: background 0.18s, color 0.18s;
}
.calc-tab.active { background: var(--card); color: var(--green2); border-bottom: 3px solid var(--green2); }
.calc-body { padding: 28px 24px 24px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px; align-items: end;
}
.form-row .btn-calc { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 0.83rem; font-weight: 600; color: var(--text2);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.form-group input,
.form-group select {
  width: 100%; padding: 12px 14px;
  border: 2px solid var(--border); border-radius: var(--radius);
  font-family: var(--font); font-size: 1rem; color: var(--text);
  background: var(--bg); outline: none;
  transition: border-color 0.18s;
}
.form-group input:focus, .form-group select:focus { border-color: var(--green2); background: #fff; }
.form-group input::placeholder { color: var(--muted); }

.btn-calc {
  width: 100%; padding: 14px;
  background: var(--green2); color: #fff;
  border: none; border-radius: var(--radius);
  font-family: var(--font-h); font-size: 1.05rem; font-weight: 700;
  cursor: pointer; transition: background 0.18s, transform 0.12s;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-calc:hover { background: var(--green); transform: translateY(-1px); }
.btn-calc:active { transform: translateY(0); }

/* ---- RESULT BOX ---- */
.result-box {
  margin-top: 20px; min-height: 60px;
  border-radius: var(--radius); padding: 0;
  display: none; /* shown by JS */
}
.result-box.visible {
  display: block;
  animation: fadeIn 0.3s ease;
}
.result-inner {
  background: linear-gradient(135deg, #E8F5E9, #F1F8E9);
  border: 2px solid #A5D6A7;
  border-radius: var(--radius);
  padding: 20px;
}
.result-main { font-family: var(--font-h); font-size: 2rem; font-weight: 900; color: var(--green); }
.result-sub  { font-size: 0.9rem; color: var(--text2); margin-top: 4px; }
.result-row  { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.result-item {
  background: rgba(255,255,255,0.7); border: 1px solid #C8E6C9;
  border-radius: 8px; padding: 8px 14px; flex: 1; min-width: 130px;
}
.result-item__label { font-size: 0.75rem; color: var(--muted); font-weight: 600; text-transform: uppercase; }
.result-item__value { font-size: 1.1rem; font-weight: 700; color: var(--text); }
.btn-copy {
  margin-top: 14px; padding: 8px 18px;
  background: var(--green3); color: #fff;
  border: none; border-radius: 8px;
  font-family: var(--font); font-size: 0.88rem; font-weight: 600;
  cursor: pointer; transition: background 0.18s;
}
.btn-copy:hover { background: var(--green2); }

/* ---- AD SLOTS ---- */
.ad-slot {
  background: var(--bg2); border: 1px dashed var(--border);
  border-radius: var(--radius); text-align: center;
  overflow: hidden; min-height: 90px;
}
.ad-slot--top    { margin: 16px 0; }
.ad-slot--middle { margin: 32px 0; }
.ad-slot--sidebar{ margin-bottom: 24px; }

/* ---- SECTIONS ---- */
.section-title {
  font-family: var(--font-h); font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 800; color: var(--text); margin-bottom: 8px;
}
.section-sub { color: var(--muted); margin-bottom: 24px; }

/* ---- INFO GRID ---- */
.info-section { padding: 52px 0; }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.info-grid h2 { font-family: var(--font-h); font-size: 1.5rem; font-weight: 800; margin-bottom: 14px; }
.info-grid p { color: var(--text2); margin-bottom: 14px; }

.formula-box {
  background: var(--green);
  color: #fff; padding: 28px; border-radius: var(--radius2);
}
.formula-title { font-family: var(--font-h); font-size: 1.1rem; font-weight: 800; margin-bottom: 16px; opacity: 0.85; }
.formula-line { font-size: 1rem; margin-bottom: 6px; }
.formula-line span { color: #A5D6A7; font-weight: 700; }

/* ---- TABLE ---- */
.table-section { padding: 48px 0; background: #fff; }
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
.conv-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.conv-table th {
  background: var(--green2); color: #fff;
  padding: 12px 16px; text-align: left; font-weight: 600;
  white-space: nowrap;
}
.conv-table td { padding: 10px 16px; border-bottom: 1px solid var(--border); color: var(--text2); }
.conv-table tr:hover td { background: var(--bg2); }
.conv-table tr:last-child td { border-bottom: none; }
.conv-table td:first-child { font-weight: 700; color: var(--text); }

/* ---- STATE GRID ---- */
.state-section { padding: 52px 0; }
.state-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
.state-card {
  background: var(--card); border: 2px solid var(--border);
  border-radius: var(--radius); padding: 18px 14px;
  text-align: center; text-decoration: none; color: inherit;
  cursor: pointer; transition: border-color 0.18s, box-shadow 0.18s, transform 0.15s;
}
.state-card:hover {
  border-color: var(--green2); box-shadow: var(--shadow);
  transform: translateY(-2px); text-decoration: none;
}
.state-name { font-weight: 700; font-size: 0.9rem; color: var(--text); }
.state-rate { font-family: var(--font-h); font-size: 1.5rem; font-weight: 900; color: var(--green2); margin: 6px 0 2px; }
.state-label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* ---- TOOLS GRID ---- */
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.tool-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
  text-decoration: none; color: inherit;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.15s;
}
.tool-card:hover {
  border-color: var(--green2); box-shadow: var(--shadow);
  transform: translateY(-1px); text-decoration: none;
}
.tool-card__icon { font-size: 1.3rem; }
.tool-card__name { flex: 1; font-size: 0.88rem; font-weight: 600; color: var(--text); }
.tool-card__arrow { color: var(--green2); font-weight: 700; }

/* ---- RELATED TOOLS ---- */
.related-tools { padding: 48px 0; background: var(--bg2); }

/* ---- FAQ ---- */
.faq-section { padding: 52px 0; }
.faq-list { max-width: 800px; margin: 24px auto 0; }
.faq-item {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 10px;
  overflow: hidden; transition: box-shadow 0.18s;
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-item[open] { border-color: var(--green2); }
.faq-q {
  padding: 16px 20px; cursor: pointer;
  font-weight: 700; font-size: 1rem; color: var(--text);
  list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.faq-q::after { content: '+'; color: var(--green2); font-size: 1.4rem; font-weight: 300; transition: transform 0.2s; }
.faq-item[open] .faq-q::after { transform: rotate(45deg); }
.faq-a {
  padding: 0 20px 18px;
  color: var(--text2); line-height: 1.75;
  border-top: 1px solid var(--border);
}

/* ---- CONTENT SECTION ---- */
.content-section { padding: 52px 0; }
.content-section h2 { font-family: var(--font-h); font-size: 1.5rem; font-weight: 800; margin-bottom: 16px; }
.content-section h3 { font-family: var(--font-h); font-size: 1.2rem; font-weight: 700; margin: 24px 0 10px; }
.content-section p { color: var(--text2); margin-bottom: 14px; }
.content-section ul, .content-section ol { padding-left: 22px; color: var(--text2); margin-bottom: 14px; }
.content-section li { margin-bottom: 6px; }

/* ---- HIGHLIGHT BOX ---- */
.highlight-box {
  background: #E8F5E9; border-left: 4px solid var(--green2);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 20px; margin: 20px 0;
}
.highlight-box strong { color: var(--green); }

/* ---- BHULEKH CARDS ---- */
.bhulekh-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; margin-top: 24px; }
.bhulekh-card {
  background: var(--card); border: 2px solid var(--border);
  border-radius: var(--radius); padding: 22px;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.bhulekh-card:hover { border-color: var(--green2); box-shadow: var(--shadow); }
.bhulekh-card h3 { font-weight: 700; margin-bottom: 8px; color: var(--text); }
.bhulekh-card p { font-size: 0.88rem; color: var(--muted); margin-bottom: 14px; }
.bhulekh-card a.btn {
  display: inline-block;
  background: var(--green2); color: #fff;
  padding: 8px 18px; border-radius: 8px; font-weight: 600; font-size: 0.88rem;
  transition: background 0.18s;
}
.bhulekh-card a.btn:hover { background: var(--green); text-decoration: none; }

/* ---- BLOG ---- */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; margin-top: 28px; }
.blog-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius2); overflow: hidden;
  transition: box-shadow 0.18s, transform 0.15s;
}
.blog-card:hover { box-shadow: var(--shadow2); transform: translateY(-3px); }
.blog-card__img { height: 160px; background: var(--bg2); display: flex; align-items: center; justify-content: center; font-size: 3rem; }
.blog-card__body { padding: 20px; }
.blog-card__tag { font-size: 0.75rem; font-weight: 700; color: var(--green2); text-transform: uppercase; letter-spacing: 0.08em; }
.blog-card__title { font-family: var(--font-h); font-size: 1.05rem; font-weight: 700; margin: 8px 0; color: var(--text); }
.blog-card__meta { font-size: 0.8rem; color: var(--muted); }
.blog-card a { text-decoration: none; color: inherit; }

/* ---- HOME HERO TOOLS GRID ---- */
.hero-tools { padding: 56px 0; }
.hero-tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }

/* ---- FOOTER ---- */
.site-footer { background: var(--green); color: rgba(255,255,255,0.85); padding: 56px 0 0; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo-main { color: #fff; font-size: 1.3rem; }
.footer-brand p { font-size: 0.88rem; opacity: 0.75; margin-top: 12px; line-height: 1.65; }
.footer-disclaimer { font-size: 0.78rem !important; opacity: 0.55 !important; margin-top: 14px !important; }
.site-footer h4 { color: #fff; font-size: 0.95rem; font-weight: 700; margin-bottom: 14px; letter-spacing: 0.04em; }
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 8px; }
.site-footer ul a { color: rgba(255,255,255,0.7); font-size: 0.875rem; transition: color 0.18s; }
.site-footer ul a:hover { color: #fff; text-decoration: none; }
.footer-bottom {
  background: rgba(0,0,0,0.25); padding: 20px 0;
  text-align: center; font-size: 0.82rem; opacity: 0.75;
}
.footer-bottom a { color: rgba(255,255,255,0.8); }
.footer-bottom p { margin-bottom: 4px; }

/* ---- 404 ---- */
.error-page { text-align: center; padding: 100px 20px; }
.error-page h1 { font-family: var(--font-h); font-size: 6rem; font-weight: 900; color: var(--green2); line-height: 1; }
.error-page h2 { font-size: 1.5rem; margin: 16px 0; }
.error-page p { color: var(--text2); max-width: 400px; margin: 0 auto 28px; }

/* ---- ANIMATIONS ---- */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse  { 0%,100% { transform: scale(1); } 50% { transform: scale(1.02); } }
.animate-in { animation: fadeIn 0.4s ease; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .nav-toggle { display: flex; align-items: center; }
  .nav-links {
    display: none; flex-direction: column; align-items: stretch;
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; padding: 12px 16px; gap: 4px;
    border-bottom: 2px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 14px; font-size: 0.95rem; }
  .site-header { position: relative; }

  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .calc-body { padding: 20px 16px 16px; }
  .hero { padding: 40px 16px 60px; }
  .tools-grid { grid-template-columns: 1fr; }
  .state-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 420px) {
  .result-main { font-size: 1.5rem; }
  .result-row { flex-direction: column; }
  .result-item { min-width: 0; }
}