/* ==================================================================
   CALCTOOLS MASTER STYLESHEET (GROWW REPLICA THEME)
   ================================================================== */

/* --- 1. RESET & BASE --- */
:root {
  --bg-dark: #0b1220;       /* Deep Navy Background */
  --bg-card: #0f172a;       /* Lighter Card Background */
  --text-primary: #e5e7eb;  /* Soft White */
  --text-secondary: #9ca3af;/* Muted Grey */
  --accent-blue: #38bdf8;   /* Bright Blue (Primary) */
  --accent-green: #22c55e;  /* Success Green */
  --border-color: #1f2937;  /* Subtle Border */
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
ul { list-style: none; }

/* --- 2. LAYOUT UTILITIES --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-spacer { padding: 80px 0; }
.text-center { text-align: center; }

/* --- 3. HEADER & NAVIGATION --- */
.header {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(to right, var(--accent-blue), #818cf8);
  -webkit-background-clip: text;
  color: transparent;
  letter-spacing: -0.5px;
}

.nav { display: flex; gap: 30px; }

.nav-link {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.nav-link:hover { color: var(--accent-blue); }

/* --- 4. HERO SECTION --- */
.hero {
  text-align: center;
  padding: 120px 20px 80px;
  background: radial-gradient(circle at 50% 0%, #1e293b 0%, var(--bg-dark) 70%);
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem); /* Responsive Text */
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.1;
  letter-spacing: -1px;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 40px;
}

.hero-btn {
  background: var(--accent-blue);
  color: #0b1220;
  padding: 16px 36px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s;
}

.hero-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(56, 189, 248, 0.4);
}

/* --- 5. CATEGORY GRID (Groww Style) --- */
.category-title {
  font-size: 2rem;
  margin-bottom: 40px;
  padding-left: 20px;
  border-left: 5px solid var(--accent-blue);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 80px;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 30px;
  border-radius: 16px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.tool-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-5px);
  box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.5);
}

.tool-icon {
  font-size: 2rem;
  margin-bottom: 15px;
  display: inline-block;
}

.tool-card h3 {
  color: var(--text-primary);
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.tool-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --- 6. LONG FORM CONTENT (Wiki Style) --- */
.content-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.article-block {
  margin-bottom: 60px;
  background: var(--bg-card);
  padding: 40px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.article-block h2 {
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 25px;
}

.article-block h3 {
  font-size: 1.5rem;
  color: var(--accent-blue);
  margin: 30px 0 15px;
}

.article-block p {
  margin-bottom: 18px;
  color: #d1d5db;
  font-size: 1.05rem;
}

.highlight-box {
  background: rgba(56, 189, 248, 0.1);
  border-left: 4px solid var(--accent-blue);
  padding: 20px;
  margin: 30px 0;
  border-radius: 0 8px 8px 0;
}

/* --- 7. FOOTER --- */
.footer {
  background: #020617;
  padding: 60px 0;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--text-primary);
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.footer-col a {
  display: block;
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.footer-col a:hover { color: var(--accent-blue); }

/* --- 8. RESPONSIVE --- */
@media (max-width: 768px) {
  .hero { padding: 80px 20px 60px; }
  .hero h1 { font-size: 2.2rem; }
  .tools-grid { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; gap: 15px; }
  .article-block { padding: 25px; }
}
/* =========================================
   SLIDER & INPUT STYLING (MATCHING IMAGE)
   ========================================= */

/* Container for Label + Slider */
.input-group {
  margin-bottom: 30px;
}

/* The Top Row: Label (Left) and Value (Right/Below) */
.input-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px; /* Space between text and slider */
}

/* "Monthly Investment" Text */
.input-label {
  color: #e2e8f0; /* Soft White */
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* "₹5,000" Value Text */
.input-val {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 600;
}

/* --- THE RANGE SLIDER BAR --- */
input[type=range] {
  -webkit-appearance: none; /* Remove default styling */
  appearance: none; 
  width: 100%;
  height: 6px; /* Thickness of the bar */
  
  /* The "Empty" Track Color (White/Grey) */
  background: #e2e8f0; 
  border-radius: 4px;
  outline: none;
  cursor: pointer;
  
  /* THE MAGIC: Blue Fill Gradient (Updated by JS) */
  background-image: linear-gradient(#38bdf8, #38bdf8);
  background-size: 50% 100%; /* Default width (JS will change this) */
  background-repeat: no-repeat;
}

/* The Circle Handle (Thumb) - Chrome/Safari */
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 22px; /* Size of the dot */
  width: 22px;
  border-radius: 50%;
  background: #38bdf8; /* Blue Color */
  cursor: pointer;
  margin-top: -8px; /* Centers the dot on the line */
  
  /* Optional: Adds a dark border around the dot like the image */
  border: 3px solid #0b1220; 
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.4); /* Glowing effect */
  transition: transform 0.1s ease;
}

/* The Circle Handle (Thumb) - Firefox */
input[type=range]::-moz-range-thumb {
  height: 22px;
  width: 22px;
  border-radius: 50%;
  background: #38bdf8;
  cursor: pointer;
  border: 3px solid #0b1220;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}

/* Hover Effect */
input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.1); /* Slightly grows on hover */
}
/* =========================================
   DISCLAIMER BLOCK STYLING
   ========================================= */

.disclaimer-box {
  background: #131d30; /* Slightly lighter than main background */
  border: 1px solid #1f2937;
  border-left: 4px solid #f59e0b; /* Amber/Orange Warning Color */
  border-radius: 8px;
  padding: 25px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-top: 40px;
}

.disclaimer-icon {
  font-size: 1.8rem;
  line-height: 1;
  flex-shrink: 0;
}

.disclaimer-content h4 {
  color: #f59e0b; /* Matches the border color */
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.disclaimer-content p {
  color: #9ca3af; /* Muted text */
  font-size: 0.9rem;
  margin-bottom: 10px;
  line-height: 1.6;
}

.disclaimer-content p:last-child {
  margin-bottom: 0;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .disclaimer-box {
    flex-direction: column;
    gap: 10px;
  }
  .disclaimer-icon {
    font-size: 1.5rem;
  }
}
/* =========================================
   BLOG & KNOWLEDGE HUB STYLES
   ========================================= */

/* --- Blog Grid System --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

/* --- Blog Card Design --- */
.blog-card {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-5px);
  border-color: #38bdf8;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Placeholder Thumbnail (Gradient) */
.blog-thumb {
  height: 180px;
  background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  border-bottom: 1px solid #334155;
}

.blog-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

/* Category Tag */
.blog-cat {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  margin-bottom: 10px;
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(56, 189, 248, 0.1);
  color: #38bdf8;
  width: fit-content;
}

/* Card Typography */
.blog-title {
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.blog-title a:hover {
  color: #38bdf8;
}

.blog-excerpt {
  color: #9ca3af;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.read-more-link {
  color: #38bdf8;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: auto; /* Pushes to bottom */
}

.read-more-link:hover {
  text-decoration: underline;
}

/* --- Article Detail Page Styles (Typography) --- */
.article-container {
  max-width: 800px; /* Optimal reading width */
  margin: 0 auto;
}

.article-header {
  text-align: center;
  padding: 60px 20px;
  border-bottom: 1px solid #334155;
  background: #0f172a;
}

.article-meta {
  color: #64748b;
  font-size: 0.9rem;
  margin-top: 15px;
}

.article-body {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #cbd5e1;
  padding: 40px 20px;
}

.article-body h2 { color: #fff; margin-top: 40px; margin-bottom: 20px; font-size: 1.8rem; }
.article-body h3 { color: #e2e8f0; margin-top: 30px; margin-bottom: 15px; font-size: 1.4rem; }
.article-body p { margin-bottom: 20px; }
.article-body ul, .article-body ol { margin-bottom: 25px; padding-left: 20px; color: #cbd5e1; }
.article-body li { margin-bottom: 10px; }

/* Table of Contents Box */
.toc-box {
  background: #1e293b;
  border: 1px solid #334155;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 40px;
  display: inline-block;
  min-width: 300px;
}
.toc-box h4 { color: #38bdf8; margin-bottom: 10px; }
.toc-box ul { list-style: none; padding: 0; margin: 0; }
.toc-box li a { color: #cbd5e1; text-decoration: none; font-size: 0.95rem; display: block; padding: 5px 0; border-bottom: 1px solid #334155; }
.toc-box li a:hover { color: #fff; padding-left: 5px; transition: 0.2s; }
/* =========================================
   SIDEBAR & TOOL GRID LAYOUT
   ========================================= */

/* The Parent Wrapper: Holds Content (Left) and Sidebar (Right) */
.page-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px; /* Content takes space, Sidebar is fixed 320px */
  gap: 40px;
  align-items: start; /* Vital for sticky to work */
  margin-top: 40px;
}

/* The Sticky Sidebar Container */
.tool-sidebar {
  position: -webkit-sticky; /* Safari support */
  position: sticky;
  top: 100px; /* Distance from top of screen when scrolling */
  z-index: 10;
}

/* The "Link Box" Styling (Matches your screenshot) */
.link-box {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 30px;
}

.link-box-title {
  background: #0f172a;
  padding: 15px 20px;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid #334155;
  font-size: 1rem;
}

.link-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.link-list li {
  border-bottom: 1px solid #334155;
}

.link-list li:last-child {
  border-bottom: none;
}

.link-list a {
  display: block;
  padding: 12px 20px;
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

/* Hover Effect */
.link-list a:hover {
  background: #334155;
  color: #fff;
  padding-left: 25px; /* Slight movement effect */
}

/* Active Page State (Highlight) */
.link-list a.active {
  background: rgba(56, 189, 248, 0.1); /* Light Blue Tint */
  color: #38bdf8;
  border-left: 3px solid #38bdf8;
  font-weight: 600;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 1024px) {
  .page-with-sidebar {
    grid-template-columns: 1fr; /* Stack vertically on tablets/mobiles */
  }
  
  .tool-sidebar {
    position: static; /* No sticky on mobile */
    order: 2; /* Puts links BELOW content on mobile (Optional: change to -1 for top) */
  }
}
* Styling for the new tables to match your dark theme */
    .content-table {
      width: 100%;
      border-collapse: collapse;
      margin: 25px 0;
      color: #cbd5e1;
      font-size: 0.95rem;
    }
    .content-table th, .content-table td {
      border: 1px solid #334155;
      padding: 12px 15px;
      text-align: left;
    }
    .content-table th {
      background-color: #1e293b;
      color: #38bdf8;
      font-weight: 600;
    }
    .content-table tr:hover {
      background-color: #0f172a;
    }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 10px;
    }
    .tag-pill {
      background: #1e293b;
      color: #94a3b8;
      padding: 5px 12px;
      border-radius: 20px;
      font-size: 0.85rem;
      text-decoration: none;
      border: 1px solid #334155;
      transition: all 0.2s;
    }
    .tag-pill:hover {
      border-color: #38bdf8;
      color: #38bdf8;
    }