/* ============================================================
   NEEDFUL CALCULATOR — Responsive Breakpoints
   responsive.css
   Centralized media queries for all layouts.
   ============================================================ */

/* ═══════════════════════════════════════════════
   BREAKPOINTS REFERENCE
   xs  : < 320px   (tiny phones)
   sm  : < 480px   (small phones)
   md  : < 768px   (tablets portrait)
   lg  : < 1024px  (tablets landscape / small laptops)
   xl  : < 1280px  (laptops)
═══════════════════════════════════════════════ */

/* ─── Base: Prevent ALL horizontal overflow ─── */
html, body {
  max-width: 100%;
}

* {
  min-width: 0; /* Prevents flex/grid children from overflowing */
}

/* ─── Large (≤ 1280px) ─── */
@media (max-width: 1280px) {
  :root {
    --container-max: 1140px;
  }
}

/* ─── Tablet / Small Laptop (≤ 1024px) ─── */
@media (max-width: 1024px) {
  /* Grid overrides */
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  /* Trending */
  .trending-grid { grid-template-columns: 1fr 1fr; }

  /* Calculator page two-column */
  .calc-page-layout { grid-template-columns: 1fr; }

  /* Blog post two-column */
  .post-layout { grid-template-columns: 1fr; }

  /* TOC — remove sticky on tablet */
  .toc-widget {
    position: relative;
    top: auto;
    max-height: none;
  }

  /* Related tools */
  .related-tools-grid { grid-template-columns: repeat(2, 1fr); }

  /* Blog page */
  .blog-page-layout { grid-template-columns: 1fr; }
  .featured-post { grid-template-columns: 1fr; }
  .featured-post-img { min-height: 220px; }

  /* Hero adjustments */
  .hero-stats { gap: var(--space-6); }

  /* Calculator widget — remove fixed sidebar width */
  .calc-page-layout {
    grid-template-columns: 1fr;
  }
}

/* ─── Tablet Portrait (≤ 768px) ─── */
@media (max-width: 768px) {
  /* Root spacing */
  :root {
    --header-height: 60px;
    --container-pad: 1rem;
  }

  /* ── HEADER FIX ── */
  .site-header {
    height: var(--header-height);
    overflow: visible; /* Allow dropdown, but clip content */
  }

  .header-inner {
    gap: var(--space-3);
    padding-inline: var(--space-3);
    flex-wrap: nowrap;
  }

  /* Logo scaling */
  .logo {
    gap: var(--space-2);
    flex-shrink: 0;
    min-width: 0;
  }

  .logo img {
    height: 28px;
    width: 28px;
    flex-shrink: 0;
  }

  .logo-text {
    font-size: var(--text-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
  }

  /* Header — hide desktop nav + search, show hamburger */
  .header-search { display: none; }
  .header-nav    { display: none; }
  .hamburger     { display: flex; flex-shrink: 0; }

  /* Push theme toggle to right of logo, before hamburger */
  .theme-toggle {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    margin-left: auto;
  }

  /* ── MOBILE NAV ── */
  .mobile-nav {
    top: var(--header-height);
    padding: var(--space-5) var(--space-4);
  }

  .mobile-nav-links a {
    padding: var(--space-3) var(--space-3);
    font-size: var(--text-sm);
  }

  /* ── SECTION SPACING ── */
  .section        { padding-block: var(--space-10); }
  .section-sm     { padding-block: var(--space-6); }
  .section-lg     { padding-block: var(--space-12); }

  /* ── GRID OVERRIDES ── */
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(2, 1fr); }

  /* ── HERO ── */
  .hero {
    padding-block: var(--space-8) var(--space-6);
    overflow: visible;
  }

  .hero::before,
  .hero::after {
    display: none; /* Remove oversized decorative elements */
  }

  .hero-title {
    font-size: clamp(1.6rem, 7vw, 2.25rem);
    line-height: 1.2;
  }

  .hero-subtitle {
    font-size: var(--text-sm);
    max-width: 100%;
    padding-inline: var(--space-2);
  }

  .hero-search {
    width: 100%;
    max-width: 100%;
  }

  .hero-search input {
    height: 50px;
    font-size: var(--text-sm);
    padding-left: var(--space-12);
    padding-right: calc(var(--space-4) + 80px);
  }

  .hero-search-btn {
    height: 38px;
    padding: 0 var(--space-4);
    font-size: var(--text-xs);
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }

  .hero-cta .btn-lg {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
  }

  .hero-stat-num { font-size: var(--text-xl); }
  .hero-stat-label { font-size: var(--text-xs); }

  .hero-eyebrow {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-3);
  }

  /* ── SECTION TITLES ── */
  .section-title {
    font-size: clamp(1.35rem, 5vw, 1.875rem);
    line-height: 1.2;
  }
  .section-subtitle {
    font-size: var(--text-sm);
    padding-inline: var(--space-2);
  }

  /* ── TOOL CARDS ── */
  .tool-card {
    padding: var(--space-4);
    gap: var(--space-2);
  }

  .tool-card-icon {
    width: 42px;
    height: 42px;
    font-size: 1.2rem;
  }

  .tool-card-name {
    font-size: var(--text-sm);
  }

  .tool-card-desc {
    font-size: var(--text-xs);
  }

  /* ── CATEGORY CARDS ── */
  .category-card {
    padding: var(--space-4) var(--space-3);
    gap: var(--space-2);
  }

  .category-icon {
    width: 52px;
    height: 52px;
    font-size: 1.5rem;
  }

  .category-name { font-size: var(--text-sm); }
  .category-count { font-size: var(--text-xs); }

  /* ── BREADCRUMB ── */
  .breadcrumb {
    padding-block: var(--space-2);
    margin-bottom: var(--space-2);
    gap: var(--space-1-5, 6px);
    font-size: var(--text-xs);
  }

  /* ── CALCULATOR WIDGET ── */
  .calc-header {
    padding: var(--space-3) var(--space-4);
    gap: var(--space-3);
    flex-wrap: nowrap;
    align-items: center;
  }

  .calc-header-icon {
    font-size: 1.75rem;
    width: 42px;
    height: 42px;
  }

  .calc-header h1 {
    font-size: var(--text-xl);
    line-height: 1.25;
  }

  .calc-header p {
    font-size: var(--text-xs);
  }

  .calc-body {
    padding: var(--space-4) var(--space-4);
  }

  .form-group {
    margin-bottom: var(--space-3);
  }

  .form-label {
    font-size: var(--text-sm);
    margin-bottom: var(--space-1);
  }

  .form-input {
    height: 44px;
    font-size: var(--text-sm);
    padding: 0 var(--space-3);
  }

  .range-slider {
    display: block;
    width: 100%;
    margin-top: var(--space-2);
    margin-bottom: var(--space-1);
  }

  /* ── CALC RESULTS ── */
  .calc-results {
    padding: var(--space-3) var(--space-4);
    margin-top: var(--space-4);
  }

  .calc-result-row {
    flex-wrap: wrap;
    gap: var(--space-1);
    padding: var(--space-2) 0;
  }

  .calc-result-label { font-size: var(--text-xs); }

  .calc-result-value {
    font-size: var(--text-base);
    font-weight: 700;
  }

  /* Main EMI result on mobile */
  #emi-result {
    font-size: var(--text-2xl) !important;
  }

  /* ── CHART ── */
  .chart-wrap {
    max-width: 200px;
    margin-inline: auto;
  }

  .chart-wrap canvas {
    width: 180px !important;
    height: 180px !important;
  }

  .chart-legend {
    gap: var(--space-4);
    flex-wrap: wrap;
    justify-content: center;
    font-size: var(--text-xs);
  }

  /* ── AMORTIZATION TABLE ── */
  .amortization-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .amortization-table {
    min-width: 480px;
    font-size: var(--text-xs);
  }

  .amortization-table th,
  .amortization-table td {
    padding: var(--space-2) var(--space-3);
  }

  /* ── SIDEBAR ── */
  .sidebar { gap: var(--space-4); }

  /* ── NEWSLETTER ── */
  .newsletter-section {
    margin-inline: 0;
    border-radius: var(--radius-xl);
    padding: var(--space-6) var(--space-4);
  }

  .newsletter-inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-5);
  }

  .newsletter-copy h2 { font-size: var(--text-xl); }
  .newsletter-copy p  { font-size: var(--text-sm); }

  .newsletter-form {
    flex-direction: column;
    max-width: 100%;
    min-width: 0;
    width: 100%;
  }

  .newsletter-form input,
  .newsletter-form button {
    width: 100%;
    height: 46px;
  }

  /* ── FOOTER ── */
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }

  /* ── TRENDING ── */
  .trending-grid { grid-template-columns: 1fr; }

  /* ── TOOL HEADER ── */
  .tools-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  /* ── BLOG ── */
  .blog-filters { flex-wrap: wrap; gap: var(--space-2); }
  .blog-card-title { font-size: var(--text-base); }

  /* ── FAQ ── */
  .faq-question {
    font-size: var(--text-sm);
    padding: var(--space-4) var(--space-4);
  }

  /* ── AD SLOTS ── */
  .ad-slot-leaderboard {
    min-height: var(--ad-banner-h);
    max-width: 100%;
  }

  /* ── CATEGORY PAGE ── */
  .category-section-header {
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: flex-start;
  }

  /* ── ABOUT / STATIC ── */
  .about-hero-grid   { grid-template-columns: 1fr; text-align: center; }
  .contact-grid      { grid-template-columns: 1fr; }
  .team-grid         { grid-template-columns: repeat(2, 1fr); }
  .values-grid       { grid-template-columns: repeat(2, 1fr); }
  .stats-band        { grid-template-columns: repeat(2, 1fr); }

  /* ── FORMULA BOX ── */
  .formula-box {
    font-size: var(--text-base);
    padding: var(--space-4);
    overflow-x: auto;
    white-space: normal;
  }

  /* ── BUTTONS ── */
  .btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: var(--text-sm);
  }
}

/* ─── Small Phones (≤ 480px) ─── */
@media (max-width: 480px) {
  :root {
    --container-pad: 0.875rem;
    --header-height: 56px;
  }

  /* ── HEADER ── */
  .header-inner {
    gap: var(--space-2);
    padding-inline: var(--space-2);
  }

  .logo img {
    height: 26px;
    width: 26px;
  }

  .logo-text {
    font-size: 0.8rem;
    max-width: 110px;
  }

  .theme-toggle {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
  }

  .hamburger {
    width: 32px;
    height: 32px;
    padding: var(--space-1);
  }

  /* ── GRID ── */
  .grid-4 { grid-template-columns: 1fr; }
  .grid-6 { grid-template-columns: 1fr; }

  /* ── HERO ── */
  .hero-title { font-size: clamp(1.4rem, 6.5vw, 1.875rem); }
  .hero-cta .btn-lg { width: 100%; justify-content: center; }

  .hero-search input {
    height: 46px;
    font-size: var(--text-xs);
    padding-left: var(--space-10);
  }

  .hero-search-btn {
    height: 34px;
    padding: 0 var(--space-3);
    font-size: 0.7rem;
  }

  /* ── SECTION TITLES ── */
  .section-title { font-size: 1.35rem; }

  /* ── TOOL CARDS ── */
  .tool-card {
    padding: var(--space-3);
  }

  .tool-card-icon {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }

  /* ── CALC WIDGET ── */
  .calc-header {
    padding: var(--space-2) var(--space-3);
  }

  .calc-header h1 { font-size: var(--text-lg); }

  .calc-body {
    padding: var(--space-3);
  }

  .form-group {
    margin-bottom: var(--space-3);
  }

  .calc-results {
    padding: var(--space-3);
    margin-top: var(--space-3);
  }

  #emi-result { font-size: var(--text-2xl) !important; }

  /* ── BUTTONS ── */
  .btn-lg {
    padding: 0.875rem 1.25rem;
    font-size: var(--text-sm);
  }

  /* ── TAGS / FILTERS ── */
  .blog-filters { gap: var(--space-1); }

  /* ── RELATED TOOLS ── */
  .related-tools-grid { grid-template-columns: 1fr; }

  /* ── BREADCRUMB ── */
  .breadcrumb {
    font-size: var(--text-xs);
    gap: var(--space-1);
    padding-block: var(--space-1) var(--space-2);
    margin-bottom: var(--space-1);
  }

  /* ── PAGINATION ── */
  .pagination { gap: var(--space-1); }
  .page-btn { width: 36px; height: 36px; font-size: var(--text-xs); }

  /* ── ABOUT / CONTACT ── */
  .team-grid   { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .stats-band  { grid-template-columns: 1fr; }

  /* ── FOOTER ── */
  .footer-social { justify-content: center; }
  .footer-legal  {
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
  }

  /* ── CHART ── */
  .chart-wrap canvas {
    width: 160px !important;
    height: 160px !important;
  }
}

/* ─── Tiny Phones (≤ 320px) ─── */
@media (max-width: 320px) {
  :root {
    --container-pad: 0.75rem;
    --header-height: 52px;
  }

  /* ── HEADER ── */
  .logo-text { display: none; } /* Show icon only on very tiny screens */

  .logo img {
    height: 24px;
    width: 24px;
  }

  /* ── TYPOGRAPHY ── */
  .hero-title { font-size: 1.35rem; }
  .section-title { font-size: 1.25rem; }
  .calc-header h1 { font-size: var(--text-base); }

  /* ── TOOL CARD ── */
  .tool-card { padding: var(--space-3); }
  .tool-card-icon { width: 34px; height: 34px; font-size: 0.9rem; }

  /* ── CHART ── */
  .chart-wrap { max-width: 150px; }
  .chart-wrap canvas {
    width: 140px !important;
    height: 140px !important;
  }
}

/* ─── Print styles ─── */
@media print {
  .site-header,
  .mobile-nav,
  .hamburger,
  .theme-toggle,
  .ad-slot,
  .sidebar,
  .newsletter-section,
  .site-footer,
  .breadcrumb,
  .hero-cta,
  .hero-search { display: none !important; }

  body { font-size: 12pt; color: #000; background: #fff; }
  a { color: #000; text-decoration: underline; }

  .container { max-width: 100%; padding: 0; }
  .calc-page-layout,
  .post-layout { grid-template-columns: 1fr; }

  .calc-widget { box-shadow: none; border: 1px solid #ccc; }
  .article-content { font-size: 11pt; }
}