/* ===========================================================
   kitna.tax — shared styles
   =========================================================== */
:root{
  --ink:#0A2A43; --ink-soft:#3A5468; --muted:#6B7E8C;
  --teal:#13A89E; --teal-deep:#0E7E77; --teal-bright:#34D1C4;
  --paper:#F7FAFB; --paper-2:#EEF4F5; --card:#FFFFFF; --line:#E2EAEC;
  --gold:#C9A24B; --danger:#D8553B;
  --shadow:0 1px 2px rgba(10,42,67,.04), 0 8px 24px rgba(10,42,67,.06);
  --shadow-lg:0 2px 4px rgba(10,42,67,.05), 0 24px 60px rgba(10,42,67,.12);
  --r:18px; --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Hanken Grotesk',sans-serif;color:var(--ink);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.serif{font-family:'Fraunces',Georgia,serif}
.mono{font-family:'IBM Plex Mono',monospace;font-variant-numeric:tabular-nums}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.center{text-align:center}

/* ---------- NAV ---------- */
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(160%) blur(12px);background:rgba(247,250,251,.82);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.18rem;letter-spacing:-.01em;flex:none}
.logo .mark{width:30px;height:30px;border-radius:9px;background:var(--ink);display:grid;place-items:center;color:var(--teal-bright);font-family:'Fraunces',serif;font-style:italic;font-size:1.1rem}
.logo .dot{color:var(--teal)}
.nav-links{display:flex;align-items:center;gap:26px;font-weight:500;font-size:.95rem;color:var(--ink-soft)}
.nav-links a{transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--teal-deep)}
.badge{font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--teal-deep);background:rgba(19,168,158,.1);padding:5px 10px;border-radius:999px;border:1px solid rgba(19,168,158,.22);white-space:nowrap}
.nav-links .nl{display:none}
.menu-btn{display:inline-grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--card);cursor:pointer}
@media(min-width:900px){.nav-links .nl{display:inline}.menu-btn{display:none}}
.mobile-menu{display:none;flex-direction:column;gap:4px;padding:10px 24px 18px;border-bottom:1px solid var(--line);background:var(--paper)}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:10px 4px;font-weight:500;color:var(--ink-soft);border-bottom:1px solid var(--paper-2)}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:1rem;padding:14px 26px;border-radius:14px;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .2s,background .2s;font-family:inherit}
.btn-primary{background:var(--ink);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal-deep)}
.btn-teal{background:var(--teal);color:#fff;box-shadow:var(--shadow)}
.btn-teal:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);background:var(--teal-deep)}
.btn-block{width:100%;justify-content:center}

/* ---------- HERO ---------- */
.hero{position:relative;padding:88px 0 60px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1}
.hero-bg::before{content:"";position:absolute;top:-30%;right:-10%;width:780px;height:780px;background:radial-gradient(circle at 30% 30%,rgba(52,209,196,.30),transparent 60%),radial-gradient(circle at 70% 70%,rgba(19,168,158,.22),transparent 60%);filter:blur(8px);border-radius:50%}
.hero-bg::after{content:"";position:absolute;inset:0;background-image:radial-gradient(var(--line) 1px,transparent 1px);background-size:26px 26px;opacity:.5;mask-image:linear-gradient(to bottom,black,transparent 75%);-webkit-mask-image:linear-gradient(to bottom,black,transparent 75%)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.84rem;font-weight:600;color:var(--teal-deep);background:var(--card);border:1px solid var(--line);padding:7px 14px;border-radius:999px;box-shadow:var(--shadow)}
.eyebrow .pulse{width:7px;height:7px;border-radius:50%;background:var(--teal);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(19,168,158,.45)}70%{box-shadow:0 0 0 9px rgba(19,168,158,0)}100%{box-shadow:0 0 0 0 rgba(19,168,158,0)}}
h1.headline{font-family:'Fraunces',serif;font-weight:500;letter-spacing:-.02em;line-height:1.04;font-size:clamp(2.6rem,6.5vw,4.6rem);margin:22px 0 0;max-width:14ch}
h1.headline em{font-style:italic;color:var(--teal-deep)}
.sub{font-size:clamp(1.05rem,2.2vw,1.28rem);color:var(--ink-soft);max-width:48ch;margin-top:20px;font-weight:400}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-meta{display:flex;gap:28px;flex-wrap:wrap;margin-top:40px;color:var(--muted);font-size:.92rem}
.hero-meta b{color:var(--ink);font-weight:600}
.reveal{opacity:0;transform:translateY(18px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes rise{to{opacity:1;transform:none}}

/* ---------- SECTIONS ---------- */
section{padding:74px 0}
.sec-eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-deep)}
h2.sec-title{font-family:'Fraunces',serif;font-weight:500;letter-spacing:-.02em;font-size:clamp(1.9rem,4vw,2.7rem);margin:10px 0 0;line-height:1.1}
.sec-lead{color:var(--ink-soft);font-size:1.05rem;max-width:56ch;margin-top:14px}

/* ---------- CALCULATOR ---------- */
#calc{background:linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%)}
.calc-grid{display:grid;grid-template-columns:1fr;gap:26px;margin-top:38px}
@media(min-width:980px){.calc-grid{grid-template-columns:1.05fr .95fr;align-items:start}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:28px}
.panel h3{font-family:'Fraunces',serif;font-weight:500;font-size:1.3rem;margin-bottom:4px}
.panel .hint{color:var(--muted);font-size:.88rem;margin-bottom:20px}
.field{margin-bottom:18px}
.field label{display:flex;align-items:center;gap:6px;font-size:.86rem;font-weight:600;color:var(--ink-soft);margin-bottom:7px}
.field .tip{cursor:help;width:15px;height:15px;border-radius:50%;border:1px solid var(--line);color:var(--muted);font-size:.66rem;display:inline-grid;place-items:center;font-weight:700}
.input-money{position:relative}
.input-money .rupee{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-weight:600}
input[type=text],input[type=email],input[type=tel],textarea{width:100%;font-family:inherit;font-size:1rem;color:var(--ink);padding:13px 14px;border:1px solid var(--line);border-radius:11px;background:var(--paper);transition:border .2s,box-shadow .2s}
.input-money input{font-family:'IBM Plex Mono',monospace;font-weight:500;padding-left:30px}
input:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(19,168,158,.14);background:#fff}
textarea{min-height:120px;resize:vertical}
.seg{display:flex;background:var(--paper);border:1px solid var(--line);border-radius:11px;padding:4px;gap:4px}
.seg button{flex:1;border:none;background:transparent;padding:10px 8px;border-radius:8px;font-family:inherit;font-weight:600;font-size:.9rem;color:var(--ink-soft);cursor:pointer;transition:all .18s}
.seg button.on{background:var(--ink);color:#fff;box-shadow:var(--shadow)}
.seg.small button{font-size:.82rem;padding:9px 6px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ded-head{display:flex;align-items:center;justify-content:space-between;margin:26px 0 6px;padding-top:22px;border-top:1px dashed var(--line);flex-wrap:wrap;gap:6px}
.ded-head .t{font-weight:700;font-size:.84rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink)}
.ded-head .s{font-size:.8rem;color:var(--muted)}

/* ---------- RESULTS ---------- */
.result-panel{position:sticky;top:90px}
.verdict{border-radius:var(--r);padding:24px;color:#fff;background:linear-gradient(135deg,var(--ink) 0%,#103a55 100%);position:relative;overflow:hidden}
.verdict::after{content:"";position:absolute;top:-40px;right:-40px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(52,209,196,.35),transparent 70%)}
.verdict .lbl{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-bright);font-weight:700}
.verdict .regime{font-family:'Fraunces',serif;font-size:1.7rem;font-weight:500;margin-top:6px}
.verdict .save{margin-top:14px;font-size:.95rem;color:#cfe9e6}
.verdict .save b{color:#fff}
.cards2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.rcard{border:1px solid var(--line);border-radius:14px;padding:18px;background:var(--card);transition:border .2s,transform .2s}
.rcard.best{border-color:var(--teal);box-shadow:0 0 0 3px rgba(19,168,158,.12)}
.rcard .rname{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.rcard.best .rname{color:var(--teal-deep)}
.rcard .ramt{font-family:'IBM Plex Mono',monospace;font-size:1.5rem;font-weight:600;margin-top:8px;letter-spacing:-.01em}
.rcard .reff{font-size:.8rem;color:var(--muted);margin-top:4px}
.tag-best{display:inline-block;font-size:.66rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#fff;background:var(--teal);padding:3px 8px;border-radius:999px;margin-top:10px}
.breakdown{margin-top:16px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--card)}
.breakdown summary{list-style:none;cursor:pointer;padding:14px 18px;font-weight:600;font-size:.9rem;display:flex;justify-content:space-between;align-items:center;color:var(--ink-soft)}
.breakdown summary::-webkit-details-marker{display:none}
.breakdown summary .chev{transition:transform .25s}
.breakdown[open] summary .chev{transform:rotate(180deg)}
.bd-body{padding:4px 18px 16px}
.bd-row{display:flex;justify-content:space-between;font-size:.88rem;padding:7px 0;border-bottom:1px solid var(--paper-2);color:var(--ink-soft)}
.bd-row:last-child{border-bottom:none}
.bd-row .v{font-family:'IBM Plex Mono',monospace;color:var(--ink);font-weight:500}
.bd-row.tot{font-weight:700;color:var(--ink);border-top:1px solid var(--line);margin-top:4px;padding-top:11px}
.insight{margin-top:16px;background:rgba(19,168,158,.07);border:1px solid rgba(19,168,158,.2);border-radius:14px;padding:16px 18px;font-size:.9rem;color:var(--ink-soft)}
.insight b{color:var(--ink)}
.insight .ic{color:var(--teal-deep);font-weight:700}
/* lead capture CTA */
.lead-cta{margin-top:16px;border:1px dashed var(--teal);border-radius:14px;padding:18px;background:rgba(19,168,158,.05);display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.lead-cta .lt{font-weight:600;font-size:.95rem;color:var(--ink)}
.lead-cta .ls{font-size:.84rem;color:var(--muted);margin-top:2px}

/* ---------- STEPS ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:22px;margin-top:42px}
@media(min-width:760px){.steps{grid-template-columns:repeat(3,1fr)}}
.step .n{font-family:'Fraunces',serif;font-style:italic;font-size:2.4rem;color:var(--teal);line-height:1}
.step h4{font-size:1.12rem;font-weight:600;margin:12px 0 6px}
.step p{color:var(--ink-soft);font-size:.96rem}

/* ---------- AI SECTION ---------- */
.ai-dark{background:var(--ink);color:#fff}
.ai-dark .sec-eyebrow{color:var(--teal-bright)}
.ai-dark h2.sec-title{color:#fff}
.ai-dark .sec-lead{color:#aac4cf}
.ai-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:40px}
@media(min-width:760px){.ai-grid{grid-template-columns:repeat(3,1fr)}}
.ai-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:26px;position:relative;transition:transform .25s,background .25s}
.ai-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.07)}
.ai-card .soon{position:absolute;top:18px;right:18px;font-size:.65rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);background:var(--teal-bright);padding:4px 9px;border-radius:999px}
.ai-card .icon{width:46px;height:46px;border-radius:12px;background:rgba(52,209,196,.16);display:grid;place-items:center;color:var(--teal-bright);margin-bottom:18px}
.ai-card h4{font-family:'Fraunces',serif;font-weight:500;font-size:1.25rem;margin-bottom:8px}
.ai-card p{color:#a7c1cc;font-size:.94rem}

/* ---------- FAQ ---------- */
.faq{margin-top:38px;max-width:820px}
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{list-style:none;cursor:pointer;padding:18px 4px;font-weight:600;font-size:1.06rem;display:flex;justify-content:space-between;gap:18px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--teal-deep);transition:transform .25s;font-weight:600}
.faq details[open] summary .pm{transform:rotate(45deg)}
.faq .ans{padding:0 4px 20px;color:var(--ink-soft);font-size:.98rem;max-width:68ch}

/* ---------- ARTICLE / PROSE ---------- */
.breadcrumb{font-size:.84rem;color:var(--muted);padding:22px 0 0}
.breadcrumb a:hover{color:var(--teal-deep)}
.article{padding:30px 0 70px}
.article-head{max-width:760px}
.article-head h1{font-family:'Fraunces',serif;font-weight:500;letter-spacing:-.02em;font-size:clamp(2.1rem,5vw,3.2rem);line-height:1.08;margin:14px 0 0}
.article-head .lede{font-size:1.15rem;color:var(--ink-soft);margin-top:18px}
.prose{max-width:760px;margin-top:18px}
.prose h2{font-family:'Fraunces',serif;font-weight:500;font-size:1.7rem;margin:46px 0 12px;letter-spacing:-.01em;scroll-margin-top:90px}
.prose h3{font-size:1.2rem;font-weight:600;margin:30px 0 10px}
.prose p{color:var(--ink-soft);margin:12px 0;font-size:1.03rem}
.prose ul,.prose ol{color:var(--ink-soft);margin:12px 0 12px 22px;font-size:1.03rem}
.prose li{margin:7px 0}
.prose strong{color:var(--ink)}
.prose a{color:var(--teal-deep);font-weight:600;text-decoration:underline;text-decoration-color:rgba(19,168,158,.4);text-underline-offset:3px}
.callout{background:rgba(19,168,158,.07);border:1px solid rgba(19,168,158,.2);border-left:4px solid var(--teal);border-radius:12px;padding:18px 20px;margin:24px 0}
.callout p{margin:0;color:var(--ink-soft)}
.callout strong{color:var(--ink)}

/* ---------- TABLES ---------- */
.table-wrap{overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:14px}
table{border-collapse:collapse;width:100%;font-size:.95rem;min-width:480px}
thead th{background:var(--paper-2);text-align:left;padding:13px 16px;font-weight:700;font-size:.82rem;letter-spacing:.03em;text-transform:uppercase;color:var(--ink-soft);white-space:nowrap}
tbody td{padding:12px 16px;border-top:1px solid var(--line);color:var(--ink-soft)}
tbody td:first-child{font-weight:600;color:var(--ink)}
tbody tr:hover{background:rgba(19,168,158,.04)}
table .num{font-family:'IBM Plex Mono',monospace;color:var(--ink)}
table .nil{color:var(--teal-deep);font-weight:600}

/* ---------- INLINE CTA STRIP ---------- */
.cta-strip{background:linear-gradient(135deg,var(--ink),#103a55);color:#fff;border-radius:var(--r);padding:34px;margin:40px 0;display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-strip::after{content:"";position:absolute;top:-50px;right:-30px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(52,209,196,.3),transparent 70%)}
.cta-strip h3{font-family:'Fraunces',serif;font-weight:500;font-size:1.5rem;position:relative}
.cta-strip p{color:#aac4cf;margin-top:6px;position:relative;max-width:46ch}

/* ---------- PAGE CARDS GRID (home links) ---------- */
.guide-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:38px}
@media(min-width:680px){.guide-grid{grid-template-columns:1fr 1fr}}
.guide-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s}
.guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--teal)}
.guide-card .gk{font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-deep)}
.guide-card h4{font-family:'Fraunces',serif;font-weight:500;font-size:1.3rem;margin:8px 0 6px}
.guide-card p{color:var(--ink-soft);font-size:.95rem}
.guide-card .arr{color:var(--teal-deep);font-weight:600;margin-top:12px;display:inline-block}

/* ---------- MODAL ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(10,42,67,.5);backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.open{display:flex;animation:fade .25s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{background:var(--card);border-radius:22px;box-shadow:var(--shadow-lg);width:100%;max-width:460px;padding:30px;position:relative;animation:pop .3s cubic-bezier(.2,.8,.2,1)}
@keyframes pop{from{transform:translateY(20px) scale(.97);opacity:0}to{transform:none;opacity:1}}
.modal .x{position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--paper);cursor:pointer;display:grid;place-items:center;color:var(--muted);font-size:1.1rem}
.modal .x:hover{color:var(--ink)}
.modal .m-eyebrow{font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-deep)}
.modal h3{font-family:'Fraunces',serif;font-weight:500;font-size:1.5rem;margin:8px 0 4px}
.modal .m-sub{color:var(--muted);font-size:.92rem;margin-bottom:20px}
.progress{display:flex;gap:7px;margin-bottom:22px}
.progress .dot{flex:1;height:5px;border-radius:999px;background:var(--paper-2);transition:background .3s}
.progress .dot.on{background:var(--teal)}
.mstep{display:none}
.mstep.active{display:block;animation:fade .3s}
.m-actions{display:flex;gap:10px;margin-top:22px}
.m-actions .btn{flex:1}
.err{color:var(--danger);font-size:.82rem;margin-top:6px;display:none}
.err.show{display:block}
.m-success{text-align:center;padding:14px 0}
.m-success .tick{width:64px;height:64px;border-radius:50%;background:rgba(19,168,158,.12);display:grid;place-items:center;margin:0 auto 16px;color:var(--teal)}
.m-success h3{margin-bottom:6px}
.m-success p{color:var(--ink-soft)}

/* ---------- FLOATING BUG BUTTON ---------- */
.bug-fab{position:fixed;bottom:22px;right:22px;z-index:150;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-lg);border-radius:999px;padding:11px 18px;display:flex;align-items:center;gap:8px;cursor:pointer;font-weight:600;font-size:.88rem;color:var(--ink-soft);transition:transform .2s,color .2s}
.bug-fab:hover{transform:translateY(-2px);color:var(--teal-deep)}
@media(max-width:600px){.bug-fab span.lbl{display:none}.bug-fab{padding:13px}}

/* ---------- CONTACT ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:34px;margin-top:38px}
@media(min-width:860px){.contact-grid{grid-template-columns:1fr 1.1fr}}

/* ---------- FOOTER ---------- */
footer{background:var(--paper-2);border-top:1px solid var(--line);padding:54px 0 40px;margin-top:30px}
.foot-grid{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between;align-items:flex-start}
.foot-grid .fcol p{color:var(--muted);font-size:.9rem;max-width:42ch;margin-top:14px}
.foot-links{display:flex;flex-direction:column;gap:10px;font-size:.92rem;color:var(--ink-soft);font-weight:500}
.foot-links .h{font-weight:700;color:var(--ink);text-transform:uppercase;font-size:.74rem;letter-spacing:.08em;margin-bottom:4px}
.foot-links a:hover{color:var(--teal-deep)}
.credits{margin-top:34px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:20px;font-size:.86rem;color:var(--ink-soft)}
.credits b{color:var(--ink)}
.credits a{color:var(--teal-deep);font-weight:600}
.disclaimer{margin-top:22px;font-size:.8rem;color:var(--muted);max-width:80ch;line-height:1.6}
.copy{margin-top:16px;font-size:.84rem;color:var(--muted)}
::selection{background:var(--teal-bright);color:var(--ink)}