:root {
  --primary: #00D09C;
  --primary-dark: #00B386;
  --primary-light: #E6FBF5;
  --primary-text: #00D09C;
  --orange: #f59e0b;
  --green: #16a34a;
  --red: #ef4444;
  --bg: #ffffff;
  --bg-gray: #ffffff;
  --card: #ffffff;
  --text-dark: #1C1C1C;
  --text-body: #44475B;
  --text-light: #6B6D7B;
  --border: #E8ECF1;
  --input-bg: #f8f9fc;
  --shadow: none;
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.08);
  --radius: 8px;
  --radius-sm: 8px;
  --max-width: 1120px;
  --transition: all 0.2s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg-gray);color:var(--text-body);line-height:1.7;font-size:14px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:var(--primary-text);text-decoration:none}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4,h5,h6{color:var(--text-dark);line-height:1.4;font-weight:600;letter-spacing:-0.01em}

/* Navbar */
.navbar{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;height:56px}
.nav-container{max-width:var(--max-width);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:100%}
.nav-brand{font-size:1.3rem;font-weight:800;color:var(--text-dark);letter-spacing:-0.5px}
.nav-brand span{color:var(--primary)}
.nav-toggle{display:none;background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--text-dark)}
.nav-links{display:flex;list-style:none;gap:2px}
.nav-links a{padding:8px 14px;border-radius:8px;font-size:.875rem;font-weight:500;color:var(--text-light);transition:var(--transition)}
.nav-links a:hover{background:var(--bg-gray);color:var(--text-dark)}
.nav-links a.active{background:var(--primary-light);color:var(--primary);font-weight:600}
@media(max-width:768px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:56px;left:0;right:0;background:#fff;flex-direction:column;padding:8px 16px 16px;border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg)}
  .nav-links.active{display:flex}
  .nav-links a{padding:12px 14px;font-size:.9rem}
}

/* Page Header */
.page-header{max-width:var(--max-width);margin:0 auto;padding:20px 24px 0}
.breadcrumbs{font-size:.8rem;color:var(--text-light);margin-bottom:6px}
.breadcrumbs a{color:var(--text-light)}
.breadcrumbs a:hover{color:var(--primary)}
.breadcrumbs .sep{margin:0 6px}
.breadcrumbs .current{color:var(--text-body);font-weight:500}
.page-header h1{font-size:1.5rem;font-weight:700;margin-bottom:4px;letter-spacing:-0.02em}

/* Calc Tabs */
.calc-tabs{max-width:var(--max-width);margin:16px auto 0;padding:0 24px;display:flex;gap:8px}
.calc-tabs a{padding:8px 22px;border-radius:8px;font-size:.875rem;font-weight:500;background:#fff;color:var(--text-light);border:1px solid var(--border);transition:var(--transition)}
.calc-tabs a:hover{color:var(--text-dark);border-color:#ccc}
.calc-tabs a.active{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600}

/* === Two-Column Calculator Layout === */
.calc-wrapper{max-width:var(--max-width);margin:20px auto;padding:0 24px}
.calc-body{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.calc-left{}
.calc-right{position:sticky;top:72px}
@media(max-width:768px){
  .calc-body{grid-template-columns:1fr;gap:20px}
  .calc-right{position:static}
}

/* Input Card */
.input-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;margin-bottom:14px;transition:border-color .2s}
.input-card:hover{border-color:#d0d5dd}
.input-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.input-card-label{font-size:.875rem;font-weight:500;color:var(--text-body)}
.input-card-value{display:flex;align-items:center;background:var(--primary-light);border:1.5px solid var(--primary);border-radius:8px;padding:6px 12px;min-width:110px}
.input-card-value .prefix{font-size:.875rem;font-weight:600;color:var(--primary);margin-right:4px}
.input-card-value input,.input-card-value select{border:none;background:transparent;font-size:.9rem;font-weight:600;color:var(--primary);text-align:right;width:80px;outline:none;font-family:inherit}
.input-card-value .suffix{font-size:.8rem;font-weight:600;color:var(--primary);margin-left:4px}

/* Range Slider */
input[type="range"]{-webkit-appearance:none;appearance:none;width:100%;height:5px;border-radius:5px;background:#e2e8f0;outline:none;cursor:pointer;margin-top:2px}
input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 1px 6px rgba(0,0,0,.15);cursor:pointer;transition:transform .15s}
input[type="range"]::-webkit-slider-thumb:hover{transform:scale(1.15)}
input[type="range"]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 1px 6px rgba(0,0,0,.15);cursor:pointer}

/* Result Card */
.result-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:14px}
.result-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0}
.result-row:not(:last-child){border-bottom:1px solid var(--border)}
.result-row .label{display:flex;align-items:center;gap:8px;font-size:.875rem;color:var(--text-light);font-weight:400}
.result-row .dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex-shrink:0}
.result-row .value{font-size:1rem;font-weight:600;color:var(--text-dark)}

/* Percentage Bar (mobile) */
.pct-bar-wrapper{margin-top:18px;display:none}
.pct-bar{display:flex;height:8px;border-radius:4px;overflow:hidden;margin-bottom:8px}
.pct-bar .seg{transition:width .3s ease}
.pct-labels{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-light)}
@media(max-width:768px){.pct-bar-wrapper{display:block}}

/* Doughnut Chart */
.chart-section{display:flex;justify-content:center;margin-bottom:20px}
.chart-container{position:relative;width:200px;height:200px}
.chart-container canvas{width:100%;height:100%}
.chart-center-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center}
.chart-center-text .label{display:block;font-size:.75rem;color:var(--text-light);font-weight:400;margin-bottom:2px}
.chart-center-text .value{display:block;font-size:1rem;font-weight:700;color:var(--text-dark)}
@media(max-width:768px){
  .chart-container{width:160px;height:160px}
  .chart-center-text .value{font-size:.9rem}
}

/* Tax */
.tax-comparison{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
@media(max-width:480px){.tax-comparison{grid-template-columns:1fr}}
.tax-regime-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;text-align:center;transition:var(--transition)}
.tax-regime-card h4{font-size:.875rem;margin-bottom:6px;color:var(--text-light);font-weight:500}
.tax-regime-card .tax-amount{font-size:1.4rem;font-weight:700;color:var(--text-dark);margin-bottom:6px}
.tax-regime-card.recommended{border-color:var(--green);background:#f0fdf4}
.savings-badge{display:none;background:var(--green);color:#fff;font-size:.75rem;font-weight:600;padding:3px 12px;border-radius:20px;margin-bottom:8px}
.tax-breakdown{margin-top:12px;text-align:left;font-size:.82rem}
.tax-breakdown .row{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px solid var(--border)}

/* Deductions */
.deductions-section{display:none;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 24px;margin-bottom:14px}
.deductions-section.visible{display:block}
.deductions-section h4{font-size:.9rem;margin-bottom:14px;color:var(--text-dark);font-weight:600}
.deduction-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}
.deduction-row label{font-size:.84rem;color:var(--text-body);font-weight:400}
.deduction-row input{width:130px;padding:8px 12px;border:1px solid var(--border);border-radius:8px;text-align:right;font-size:.875rem;font-weight:600;font-family:inherit;background:var(--input-bg);transition:border-color .2s}
.deduction-row input:focus{border-color:var(--primary);outline:none}
.custom-select{padding:8px 12px;border:none;background:transparent;font-size:.875rem;font-weight:600;color:var(--primary);font-family:inherit;cursor:pointer;outline:none}

/* Content & FAQ */
.content-wrapper{max-width:var(--max-width);margin:28px auto;padding:0 24px;display:grid;grid-template-columns:1fr 260px;gap:28px;align-items:start}
.content-main{min-width:0}
.content-wrapper .faq-section{max-width:none;margin:0 0 28px;padding:0}
.content-sidebar{position:sticky;top:72px}
.sidebar-card{border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px}
.sidebar-card h4{font-size:.9rem;font-weight:600;color:var(--text-dark);margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.sidebar-card ul{list-style:none}
.sidebar-card li{margin-bottom:0}
.sidebar-card a{display:block;padding:10px 0;font-size:.875rem;color:var(--text-body);border-bottom:1px solid var(--border);transition:color .2s}
.sidebar-card li:last-child a{border-bottom:none}
.sidebar-card a:hover,.sidebar-card a.active-link{color:var(--primary)}
.sidebar-card a.active-link{font-weight:600}
@media(max-width:900px){.content-wrapper{grid-template-columns:1fr}.content-sidebar{position:static}}
.content-section{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px 36px;margin-bottom:18px}
.content-section h2{font-size:1.15rem;margin:28px 0 14px;padding-bottom:10px;border-bottom:2px solid var(--primary-light);color:var(--text-dark);line-height:1.5;font-weight:600}
.content-section h2:first-child{margin-top:0}
.content-section h3{font-size:1rem;margin:22px 0 10px;color:var(--text-dark);font-weight:600}
.content-section p{font-size:.9rem;color:var(--text-body);line-height:1.85;margin-bottom:14px}
.content-section li{font-size:.9rem;color:var(--text-body);line-height:1.85;margin-bottom:8px}
.content-section ul{padding-left:24px;margin-bottom:18px}
.content-section strong{color:var(--text-dark);font-weight:600}
@media(max-width:768px){.content-section{padding:22px 18px}}
.year-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.84rem}
.year-table th,.year-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border)}
.year-table th{background:#f9fafb;font-weight:600;color:var(--text-dark);position:sticky;top:0;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}
.year-table td{color:var(--text-body);font-weight:400}
.year-table tbody tr:hover{background:#f8fafd}
@media(max-width:600px){.year-table{font-size:.78rem}.year-table th,.year-table td{padding:8px 10px}}

.faq-section{max-width:var(--max-width);margin:0 auto 28px;padding:0 24px}
.faq-section h2{font-size:1.2rem;margin-bottom:18px;color:var(--text-dark);font-weight:600}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:#d0d5dd}
.faq-question{width:100%;padding:18px 22px;background:none;border:none;text-align:left;font-size:.9rem;font-weight:500;color:var(--text-dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-family:inherit;gap:14px;line-height:1.5}
.faq-question .icon{font-size:1.1rem;transition:transform .2s;color:var(--text-light);flex-shrink:0;font-weight:300}
.faq-item.active .faq-question{color:var(--primary)}
.faq-item.active .faq-question .icon{transform:rotate(45deg);color:var(--primary)}
.faq-item.active{border-color:var(--primary);box-shadow:0 2px 8px rgba(0,208,156,.06)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.active .faq-answer{max-height:600px}
.faq-answer p{padding:0 22px 18px;font-size:.88rem;color:var(--text-body);line-height:1.85}

/* Footer */
.footer{background:#1C1C1C;color:#9CA3AF;padding:48px 24px 24px;margin-top:48px}
.footer-grid{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;margin-bottom:28px}
.footer h4{color:#fff;font-size:.9rem;margin-bottom:12px;font-weight:600}
.footer p{font-size:.84rem;line-height:1.7}
.footer ul{list-style:none}
.footer li{margin-bottom:8px}
.footer a{color:#9CA3AF;font-size:.84rem;transition:color .2s}
.footer a:hover{color:#fff}
.footer-disclaimer{max-width:var(--max-width);margin:0 auto 16px;padding-top:20px;border-top:1px solid #2D2D2D;font-size:.78rem;line-height:1.7;color:#6B7280}
.footer-bottom{text-align:center;font-size:.78rem;color:#6B7280}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:24px}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}

/* Homepage */
.page-hero{text-align:center;padding:48px 24px 28px;max-width:var(--max-width);margin:0 auto}
.page-hero h1{font-size:1.7rem;margin-bottom:10px;font-weight:700;letter-spacing:-0.02em}
.page-hero p{color:var(--text-light);font-size:1rem}
.calc-grid{max-width:var(--max-width);margin:0 auto 48px;padding:0 24px;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.calc-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:var(--transition);display:flex;flex-direction:column}
.calc-card:hover{border-color:var(--primary);transform:translateY(-1px)}
.calc-card .icon{font-size:2rem;margin-bottom:14px}
.calc-card h3{font-size:1rem;margin-bottom:8px;font-weight:600}
.calc-card p{font-size:.84rem;color:var(--text-light);line-height:1.6;flex-grow:1}
.calc-card .card-link{display:inline-flex;align-items:center;gap:4px;color:var(--primary);font-size:.875rem;font-weight:600;margin-top:14px}
.calc-card .card-link:hover{gap:8px}

/* Blog Grid */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.blog-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 28px;transition:var(--transition);display:flex;flex-direction:column;text-decoration:none}
.blog-card:hover{border-color:var(--primary);transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,208,156,.08)}
.blog-card-category{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--primary);margin-bottom:10px}
.blog-card h3{font-size:1rem;font-weight:600;color:var(--text-dark);line-height:1.5;margin-bottom:10px}
.blog-card p{font-size:.84rem;color:var(--text-light);line-height:1.7;flex-grow:1;margin-bottom:12px}
.blog-card-meta{font-size:.75rem;color:var(--text-light);font-weight:400}
@media(max-width:640px){.blog-grid{grid-template-columns:1fr}}
.article-meta{font-size:.85rem;color:var(--text-light);margin-top:4px}