/*
Theme Name: S.K. Thakkar & Associates
Theme URI: https://www.caskthakkar.com/
Author: Chelyn (built with Claude)
Description: Custom one-page WordPress theme for S.K. Thakkar & Associates, Chartered Accountants, Vadodara. Ledger-inspired editorial design with the ICAI "CA India" brand palette (blue primary, orange and green small accents). Built ICAI-advertising-compliant: no testimonials, fee claims, or superlatives.
Version: 1.0
Requires at least: 5.9
Requires PHP: 7.4
Text Domain: caskthakkar
*/

:root{
    --paper:#F5F3EA; --surface:#FFFFFF; --surface-2:#EAE6D3;
    --ink:#1B1E19; --ink-soft:#4B5245; --muted:#838C7C;
    --accent:#145886; --accent-deep:#0B3A57; --accent-soft:#DEE8EE;
    --accent-2:#F37920; --accent-3:#55B848;
    --hairline:#DAD5BF; --border-strong:#C2BC9E;
    --radius: 2px;
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --paper:#12140F; --surface:#191C13; --surface-2:#1E2216;
      --ink:#EDEFE6; --ink-soft:#C3C7B5; --muted:#8B9280;
      --accent:#5B9BC9; --accent-deep:#8FC3E3; --accent-soft:#16283A;
      --accent-2:#F37920; --accent-3:#55B848;
      --hairline:#2B2F21; --border-strong:#3B4030;
    }
  }
  :root[data-theme="dark"]{
    --paper:#12140F; --surface:#191C13; --surface-2:#1E2216;
    --ink:#EDEFE6; --ink-soft:#C3C7B5; --muted:#8B9280;
    --accent:#5B9BC9; --accent-deep:#8FC3E3; --accent-soft:#16283A;
    --accent-2:#F37920; --accent-3:#55B848;
    --hairline:#2B2F21; --border-strong:#3B4030;
  }

  *{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  [id]{ scroll-margin-top:110px; }
  @media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } *{ animation-duration:0.01ms !important; transition-duration:0.01ms !important; } }
  body{
    margin:0; background:var(--paper); color:var(--ink);
    font-family:"IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
    font-weight:400; line-height:1.7; -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{ font-family:"Newsreader", Georgia, serif; font-weight:500; margin:0; text-wrap:balance; color:var(--ink); letter-spacing:-0.005em; }
  p{ margin:0; color:var(--ink-soft); }
  a{ color:var(--accent-deep); text-decoration:none; }
  img,svg{ display:block; max-width:100%; }
  button{ font-family:inherit; cursor:pointer; }
  :focus-visible{ outline:1.5px solid var(--accent); outline-offset:3px; }
  ::selection{ background:var(--accent-soft); }
  .mono{ font-family:"IBM Plex Mono", ui-monospace, monospace; }

  .shell{ max-width:1180px; margin:0 auto; padding:0 32px; }
  section{ padding:150px 0; }
  @media (max-width:900px){ section{ padding:96px 0; } }
  @media (max-width:560px){ section{ padding:76px 0; } .shell{ padding:0 22px; } }

  .eyebrow{ font-family:"IBM Plex Mono",monospace; font-size:11px; font-weight:500; letter-spacing:0.14em; text-transform:uppercase; color:var(--muted); display:flex; align-items:center; gap:12px; margin-bottom:22px; }
  .eyebrow::before{ content:""; width:22px; height:1px; background:var(--accent-2); flex:none; }

  .btn{ display:inline-flex; align-items:center; gap:10px; font-size:15px; font-weight:500; padding:16px 30px; border-radius:var(--radius); border:1px solid transparent; transition:opacity .2s ease, color .2s ease, border-color .2s ease, background .2s ease; white-space:nowrap; }
  .btn-primary{ background:var(--ink); color:var(--paper); }
  :root[data-theme="dark"] .btn-primary{ background:var(--ink); color:var(--paper); border:1px solid var(--border-strong); }
  @media (prefers-color-scheme:dark){ :root:not([data-theme="light"]) .btn-primary{ background:var(--ink); color:var(--paper); border:1px solid var(--border-strong); } }
  .btn-primary:hover{ opacity:.82; }
  .btn-text{ padding:0; border:none; border-bottom:1px solid var(--border-strong); padding-bottom:5px; border-radius:0; font-weight:500; color:var(--ink); }
  .btn-text svg{ width:14px; height:14px; stroke:currentColor; transition:transform .2s ease; }
  .btn-text:hover{ color:var(--accent-deep); border-color:var(--accent); }
  .btn-text:hover svg{ transform:translateX(3px); }
  .btn-text.on-dark{ color:var(--paper); border-color:#2F4356; }
  .btn-text.on-dark:hover{ color:var(--accent); border-color:var(--accent); }

  /* ---------- Nav ---------- */
  header.nav{ position:sticky; top:0; z-index:50; background:color-mix(in srgb, var(--paper) 90%, transparent); backdrop-filter:blur(10px); border-bottom:1px solid var(--hairline); }
  .navrow{ display:flex; align-items:center; justify-content:space-between; height:92px; }
  .brand{ display:flex; align-items:center; gap:11px; min-width:0; flex:0 1 auto; overflow:hidden; }
  .brand .mark{ width:auto; height:34px; flex:none; }
  .brand .name{ font-family:"Newsreader", serif; font-size:18px; font-weight:500; letter-spacing:0.005em; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; min-width:0; }
  nav.menu{ display:flex; align-items:center; gap:40px; }
  nav.menu a{ font-size:13.5px; font-weight:500; letter-spacing:0.02em; color:var(--ink-soft); position:relative; padding:4px 0; }
  nav.menu a:hover{ color:var(--ink); }
  nav.menu a.active{ color:var(--ink); }
  nav.menu a.active::after{ content:""; position:absolute; left:0; right:0; bottom:-6px; height:1px; background:var(--accent); }
  .navcta{ display:flex; align-items:center; gap:18px; }
  .navcta .btn-primary{ padding:12px 22px; font-size:13.5px; }
  .navcta-icons{ display:none; align-items:center; gap:8px; }
  @media (max-width:480px){ .navcta-icons{ display:flex; } }
  .navcta-icons a{ width:36px; height:36px; border:1px solid var(--border-strong); display:flex; align-items:center; justify-content:center; flex:none; }
  .navcta-icons svg{ width:16px; height:16px; stroke:var(--ink); stroke-width:1.6; }

  #menu-toggle{ display:none; }
  .burger{ display:none; width:38px; height:38px; align-items:center; justify-content:center; border:1px solid var(--border-strong); cursor:pointer; }
  .burger span, .burger span::before, .burger span::after{ content:""; display:block; width:16px; height:1px; background:var(--ink); position:relative; transition:transform .2s ease, opacity .2s ease; }
  .burger span::before{ position:absolute; top:-6px; }
  .burger span::after{ position:absolute; top:6px; }

  @media (max-width:900px){
    nav.menu{ position:absolute; top:100%; left:0; right:0; background:var(--paper); flex-direction:column; align-items:flex-start; gap:0; padding:8px 22px 24px; transform:translateY(-8px); opacity:0; pointer-events:none; transition:opacity .2s ease, transform .2s ease; border-bottom:1px solid var(--hairline); max-height:80vh; overflow-y:auto; }
    nav.menu a{ width:100%; padding:16px 0; border-bottom:1px solid var(--hairline); font-size:16px; }
    .burger{ display:flex; }
    #menu-toggle:checked ~ .navrow nav.menu{ opacity:1; pointer-events:auto; transform:translateY(0); }
    #menu-toggle:checked ~ .navrow .burger span{ background:transparent; }
    #menu-toggle:checked ~ .navrow .burger span::before{ transform:rotate(45deg) translate(4px,5px); }
    #menu-toggle:checked ~ .navrow .burger span::after{ transform:rotate(-45deg) translate(4px,-5px); }
  }
  @media (max-width:600px){ .brand .name{ font-size:16px; } }
  @media (max-width:480px){ .navcta .btn-primary{ display:none; } .navrow{ height:78px; } }
  @media (max-width:400px){ .brand .name{ font-size:14.5px; } .navcta{ gap:10px; } }
  @media (max-width:340px){ .brand .name{ font-size:13px; } }

  /* ---------- Hero ---------- */
  .hero{ padding:118px 0 96px; }
  .hero-grid{ display:grid; grid-template-columns:7fr 4fr; gap:80px; align-items:start; }
  @media (max-width:960px){ .hero-grid{ grid-template-columns:1fr; gap:56px; } }
  .hero h1{ font-size:clamp(36px,5.6vw,68px); line-height:1.08; letter-spacing:-0.01em; margin-bottom:30px; }
  .hero h1 em{ font-style:italic; font-weight:400; color:var(--accent-deep); }
  .hero p.lede{ font-size:18.5px; line-height:1.6; color:var(--ink-soft); max-width:48ch; margin-bottom:44px; }
  .hero-actions{ display:flex; align-items:center; gap:36px; flex-wrap:wrap; }
  .hero-meta{ display:flex; gap:20px; margin-top:40px; padding-top:24px; border-top:1px solid var(--hairline); font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.06em; text-transform:uppercase; color:var(--muted); flex-wrap:wrap; }
  .hero-meta span{ display:flex; align-items:center; gap:20px; }
  .hero-meta span:not(:last-child)::after{ content:""; width:1px; height:12px; background:var(--border-strong); }

  .hero-art{ border:1px solid var(--hairline); padding:28px 28px 22px; margin-top:6px; }
  .hero-art .idx{ font-family:"Newsreader",serif; font-style:italic; font-size:13px; color:var(--muted); margin-bottom:20px; }
  .ledger-row{ display:flex; align-items:baseline; justify-content:space-between; gap:14px; padding:13px 0; border-top:1px solid var(--hairline); font-family:"IBM Plex Mono",monospace; font-size:12px; }
  .ledger-row:first-of-type{ border-top:none; }
  .ledger-row .lbl{ color:var(--ink); }
  .ledger-row .stat{ color:var(--muted); white-space:nowrap; }
  .ledger-row .stat.done{ color:var(--accent-3); }
  .hero-art .cap{ display:flex; justify-content:space-between; margin-top:18px; padding-top:16px; border-top:1px solid var(--hairline); font-family:"IBM Plex Mono",monospace; font-size:10.5px; letter-spacing:0.08em; text-transform:uppercase; color:var(--muted); }

  /* ---------- Firm particulars ---------- */
  .particulars-row{ display:flex; flex-wrap:wrap; gap:14px 28px; font-size:11px; letter-spacing:0.02em; color:var(--ink-soft); }
  @media (max-width:760px){ .particulars-row{ gap:10px 20px; font-size:10.5px; } }

  /* ---------- Trust pillars ---------- */
  .pillars{ border-top:1px solid var(--hairline); border-bottom:1px solid var(--hairline); }
  .pillar-grid{ display:grid; grid-template-columns:repeat(4,1fr); }
  .pillar{ padding:44px 36px; display:flex; flex-direction:column; gap:16px; border-left:1px solid var(--hairline); }
  .pillar:first-child{ border-left:none; }
  .pillar svg{ width:22px; height:22px; stroke:var(--accent); stroke-width:1.3; }
  .pillar h3{ font-size:16px; font-weight:500; }
  .pillar p{ font-size:13.5px; }
  @media (max-width:760px){ .pillar-grid{ grid-template-columns:1fr 1fr; } .pillar:nth-child(2n+1){ border-left:none; } .pillar:nth-child(-n+2){ border-bottom:1px solid var(--hairline); } }
  @media (max-width:480px){ .pillar-grid{ grid-template-columns:1fr; } .pillar{ border-left:none !important; border-bottom:1px solid var(--hairline); } .pillar:last-child{ border-bottom:none; } }

  /* ---------- Section heads ---------- */
  .head{ max-width:58ch; margin-bottom:64px; }
  .head h2{ font-size:clamp(28px,3.6vw,42px); margin-bottom:18px; }
  .head p{ font-size:17px; }

  /* ---------- Problem/solution ---------- */
  .problem-grid{ display:grid; grid-template-columns:repeat(2,1fr); border:1px solid var(--hairline); }
  @media (max-width:760px){ .problem-grid{ grid-template-columns:1fr; } }
  .problem-card{ padding:44px; display:flex; flex-direction:column; gap:16px; border-right:1px solid var(--hairline); border-bottom:1px solid var(--hairline); }
  .problem-card:nth-child(2n){ border-right:none; }
  .problem-card:nth-child(5), .problem-card:nth-child(6){ border-bottom:none; }
  @media (max-width:760px){ .problem-card{ border-right:none !important; border-bottom:1px solid var(--hairline); } .problem-card:last-child{ border-bottom:none; } }
  .problem-card .k{ font-family:"Newsreader",serif; font-size:21px; font-weight:500; }
  .problem-card p{ font-size:15px; }

  /* ---------- Services (schedule grid) ---------- */
  .svc-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--hairline); border:1px solid var(--hairline); }
  @media (max-width:960px){ .svc-grid{ grid-template-columns:1fr 1fr; } }
  @media (max-width:620px){ .svc-grid{ grid-template-columns:1fr; } }
  .svc-card{ background:var(--paper); padding:34px 30px; display:flex; flex-direction:column; gap:12px; }
  .svc-card .sch{ font-family:"IBM Plex Mono",monospace; font-size:11px; color:var(--muted); letter-spacing:0.06em; margin-bottom:4px; }
  .svc-card h3{ font-size:16.5px; font-weight:500; }
  .svc-card ul{ list-style:none; margin:6px 0 0; padding:0; display:flex; flex-direction:column; gap:6px; }
  .svc-card li{ font-size:13.5px; color:var(--ink-soft); padding-left:14px; position:relative; }
  .svc-card li::before{ content:"—"; position:absolute; left:0; color:var(--border-strong); }
  .svc-card .note{ font-size:12px; color:var(--muted); font-style:italic; margin-top:auto; padding-top:10px; }

  /* ---------- Why us ---------- */
  .why-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:0 56px; }
  @media (max-width:760px){ .why-grid{ grid-template-columns:1fr; } }
  .why-item{ padding:26px 0; border-top:1px solid var(--hairline); }
  .why-item h3{ font-size:16.5px; font-weight:500; margin-bottom:8px; }
  .why-item p{ font-size:14.5px; }

  /* ---------- Process ---------- */
  .process-track{ display:grid; grid-template-columns:repeat(5,1fr); gap:0; position:relative; }
  @media (max-width:900px){ .process-track{ grid-template-columns:1fr; gap:0; } }
  .process-step{ position:relative; padding:0 20px 0 0; }
  @media (max-width:900px){ .process-step{ padding:0 0 38px 36px; border-left:1px solid var(--border-strong); margin-left:17px; } .process-step:last-child{ padding-bottom:0; } }
  .process-step .dot{ width:36px; height:36px; border:1px solid var(--accent); color:var(--accent-deep); display:flex; align-items:center; justify-content:center; font-family:"Newsreader",serif; font-style:italic; font-weight:500; font-size:14px; margin-bottom:20px; background:var(--paper); }
  @media (max-width:900px){ .process-step .dot{ position:absolute; left:-18px; top:-2px; margin-bottom:0; } }
  .process-step h3{ font-size:16px; font-weight:500; margin-bottom:8px; }
  .process-step p{ font-size:13.5px; }
  @media (min-width:901px){ .process-track::before{ content:""; position:absolute; top:17px; left:0; right:0; height:1px; background:var(--border-strong); z-index:0; } .process-step{ z-index:1; } }

  /* ---------- Insights ---------- */
  .insight-tabs{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--hairline); border-top:1px solid var(--hairline); border-bottom:1px solid var(--hairline); }
  @media (max-width:900px){ .insight-tabs{ grid-template-columns:1fr 1fr; } }
  @media (max-width:560px){ .insight-tabs{ grid-template-columns:1fr; } }
  .insight-card{ background:var(--paper); padding:32px 28px; display:flex; flex-direction:column; gap:12px; min-height:220px; }
  .insight-card svg{ width:19px; height:19px; stroke:var(--accent); stroke-width:1.3; }
  .insight-cat{ font-family:"IBM Plex Mono",monospace; font-size:10px; font-weight:500; letter-spacing:0.08em; text-transform:uppercase; color:var(--muted); margin-top:8px; }
  .insight-card h3{ font-size:16px; font-weight:500; line-height:1.4; }
  .insight-sample{ font-size:11.5px; color:var(--muted); margin-top:auto; font-style:italic; padding-top:14px; }

  /* ---------- FAQ ---------- */
  .faq{ max-width:800px; }
  .faq-item{ border-top:1px solid var(--hairline); }
  .faq-item:last-child{ border-bottom:1px solid var(--hairline); }
  .faq-item summary{ list-style:none; cursor:pointer; padding:28px 4px; display:flex; align-items:center; justify-content:space-between; gap:24px; font-family:"Newsreader",serif; font-size:18.5px; font-weight:500; }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary .plus{ width:16px; height:16px; flex:none; position:relative; }
  .faq-item summary .plus::before, .faq-item summary .plus::after{ content:""; position:absolute; background:var(--accent); }
  .faq-item summary .plus::before{ width:16px; height:1px; top:7.5px; left:0; }
  .faq-item summary .plus::after{ width:1px; height:16px; top:0; left:7.5px; transition:transform .2s ease; }
  .faq-item details[open] summary .plus::after{ transform:rotate(90deg); }
  .faq-a{ padding:0 4px 28px; font-size:15px; max-width:66ch; }

  /* ---------- Final CTA (full-bleed) ---------- */
  .cta-band{ background:var(--ink); padding:120px 0; }
  :root[data-theme="dark"] .cta-band{ background:var(--surface-2); border-top:1px solid var(--hairline); border-bottom:1px solid var(--hairline); }
  @media (prefers-color-scheme:dark){ :root:not([data-theme="light"]) .cta-band{ background:var(--surface-2); border-top:1px solid var(--hairline); border-bottom:1px solid var(--hairline); } }
  .cta-inner{ text-align:center; max-width:640px; margin:0 auto; }
  .cta-band h2{ color:var(--paper); font-size:clamp(30px,4vw,46px); margin-bottom:18px; }
  :root[data-theme="dark"] .cta-band h2{ color:var(--ink); }
  @media (prefers-color-scheme:dark){ :root:not([data-theme="light"]) .cta-band h2{ color:var(--ink); } }
  .cta-band p{ color:#B9C2CC; font-size:16.5px; margin-bottom:44px; }
  :root[data-theme="dark"] .cta-band p{ color:var(--ink-soft); }
  @media (prefers-color-scheme:dark){ :root:not([data-theme="light"]) .cta-band p{ color:var(--ink-soft); } }
  .cta-actions{ display:flex; align-items:center; justify-content:center; gap:36px; flex-wrap:wrap; }
  .cta-band .btn-primary{ background:var(--paper); color:var(--ink); }
  :root[data-theme="dark"] .cta-band .btn-primary{ background:var(--accent); color:#0F130C; border-color:transparent; }
  @media (prefers-color-scheme:dark){ :root:not([data-theme="light"]) .cta-band .btn-primary{ background:var(--accent); color:#0F130C; border-color:transparent; } }

  /* ---------- Footer ---------- */
  footer{ border-top:1px solid var(--hairline); padding:80px 0 36px; }
  .foot-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px; margin-bottom:64px; }
  @media (max-width:760px){ .foot-grid{ grid-template-columns:1fr 1fr; } }
  .foot-brand{ display:flex; align-items:center; gap:11px; margin-bottom:16px; }
  .foot-brand .mark{ width:auto; height:32px; }
  .foot-brand .name{ font-family:"Newsreader",serif; font-size:17px; font-weight:500; }
  .foot-col-first p{ font-size:13.5px; max-width:32ch; }
  .foot-col h4{ font-family:"IBM Plex Mono",monospace; font-size:10.5px; letter-spacing:0.08em; text-transform:uppercase; color:var(--muted); font-weight:500; margin-bottom:18px; }
  .foot-col a, .foot-col span{ display:block; font-size:14px; margin-bottom:12px; }
  .foot-col a{ color:var(--accent-deep); }
  .foot-col span{ color:var(--ink-soft); }
  .foot-col a:hover{ color:var(--ink); text-decoration:underline; }
  .foot-social{ display:flex; gap:10px; margin-top:20px; }
  .foot-social a{ width:32px; height:32px; border:1px solid var(--border-strong); display:flex; align-items:center; justify-content:center; }
  .foot-social svg{ width:14px; height:14px; stroke:var(--ink-soft); }
  .foot-bottom{ border-top:1px solid var(--hairline); padding-top:24px; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.01em; color:var(--muted); }
  .foot-legal{ display:flex; gap:22px; }
  .foot-legal a{ color:var(--muted); }
  .foot-legal a:hover{ color:var(--ink-soft); }

  /* ---------- Floating contact button ---------- */
  .floating-wa{ position:fixed; bottom:22px; right:22px; z-index:70; width:54px; height:54px; border-radius:50%; background:#0B3A57; display:flex; align-items:center; justify-content:center; box-shadow:0 6px 18px rgba(0,0,0,0.28); transition:transform .2s ease; }
  .floating-wa:hover{ transform:translateY(-2px); }
  .floating-wa svg{ width:24px; height:24px; stroke:#F5F3EA; stroke-width:1.6; }
  @media (max-width:480px){ .floating-wa{ width:48px; height:48px; bottom:16px; right:16px; } .floating-wa svg{ width:21px; height:21px; } }

  /* ---------- Section-level contact nudges ---------- */
  .problem-cta{ margin-top:28px; font-size:15px; display:flex; gap:20px; flex-wrap:wrap; align-items:baseline; color:var(--ink-soft); }
  .svc-cta{ margin-top:32px; font-size:15px; }
  .faq-cta{ margin-top:36px; padding-top:28px; border-top:1px solid var(--hairline); font-size:15px; }
  .cta-band p.cta-meta{ margin-top:28px; font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.03em; text-transform:uppercase; }
  .cta-band p.cta-practitioner{ margin-top:10px; font-size:12.5px; }
  .cta-meta a, .cta-practitioner a{ color:inherit; text-decoration:underline; }

  /* ---------- Reveal animation ---------- */
  .reveal{ opacity:0; transform:translateY(16px); transition:opacity .7s ease, transform .7s ease; }
  .reveal.in{ opacity:1; transform:translateY(0); }