/* ═══════════════════════════════════════════════════════════
   GST PRODUCT PRICE CALCULATOR  ·  ICAI Navy + Gold Design
   ═══════════════════════════════════════════════════════════ */
:root{
  --p:#003d6b; --p-dark:#00284a; --p-mid:#004f8b; --p-soft:#1a5a96;
  --p-tint:#e6eef7; --p-tint2:#ccdcee;
  --gold:#b8860b; --gold-lt:#d4a017; --gold-pl:#fdf6e3;
  --white:#ffffff; --off:#f5f7fa; --off2:#edf1f6;
  --text:#1a2535; --mid:#3a4f63; --muted:#56687a;
  --border:#d8e2ec; --bdr-dk:#b8c8d8;
  --sh-xs:0 1px 3px rgba(0,40,74,.06);
  --sh-sm:0 2px 8px rgba(0,40,74,.08),0 1px 4px rgba(0,40,74,.05);
  --sh-md:0 4px 20px rgba(0,40,74,.11),0 2px 8px rgba(0,40,74,.07);
  --r:4px; --r2:8px; --r3:12px;
  --green:#15803d; --green-bg:#f0fdf4; --green-border:#bbf7d0;
  --red:#b91c1c; --red-bg:#fef2f2; --red-border:#fecaca;
  --amber:#b45309; --amber-bg:#fffbeb; --amber-border:#fde68a;
  --gst-purple:#7c3aed; --gst-purple-bg:#f5f3ff; --gst-purple-border:#ddd6fe;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;scroll-padding-top:108px}
@media(max-width:768px){html{scroll-padding-top:70px}}
@media(max-width:480px){html{scroll-padding-top:60px}}
body{font-family:'Lato',sans-serif;font-size:1rem;line-height:1.72;color:var(--text);background:var(--white);overflow-x:hidden;-webkit-font-smoothing:antialiased;padding-top:108px}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:var(--p-dark)}
::-webkit-scrollbar-thumb{background:var(--gold);border-radius:2px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;outline:none}
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
input[type=number]{-moz-appearance:textfield}

/* ── TOP BAR ── */
.topbar{background:#00284a!important;height:38px!important;display:flex!important;align-items:center!important;justify-content:space-between!important;padding:0 1.5rem!important;border-bottom:1px solid rgba(255,255,255,.06)!important;position:fixed!important;top:0!important;left:0!important;right:0!important;z-index:1100!important}
.topbar-left{font-family:'Source Code Pro',monospace!important;font-size:.68rem!important;color:#d4a017!important;letter-spacing:.06em!important;text-transform:uppercase!important}
.topbar-right{display:flex!important;align-items:center!important;gap:1.6rem!important}
.topbar-link{display:flex!important;align-items:center!important;gap:.4rem!important;font-family:'Source Code Pro',monospace!important;font-size:.7rem!important;color:rgba(255,255,255,.6)!important;text-decoration:none!important;transition:color .2s!important}
.topbar-link:hover{color:#d4a017!important}
.topbar-link svg{width:12px!important;height:12px!important;fill:currentColor!important;flex-shrink:0!important}
.tb-sep{width:1px!important;height:14px!important;background:rgba(255,255,255,.15)!important}

/* ── NAV ── */
nav{position:fixed;top:38px;left:0;right:0;z-index:1000;height:70px;background:var(--white);display:flex;align-items:center;justify-content:space-between;padding:0 3rem;border-bottom:3px solid var(--gold);box-shadow:var(--sh-sm)}
nav.scrolled{box-shadow:var(--sh-md)}
.nav-brand{display:flex;align-items:center;gap:.9rem}
.nav-mark{width:50px;height:50px;background:var(--white);border-radius:var(--r);display:flex;align-items:center;justify-content:center;border:1.5px solid rgba(184,134,11,.3);flex-shrink:0;overflow:hidden;padding:3px}
.nav-mark img{width:100%;height:100%;object-fit:contain;display:block}
.nav-text{display:flex;flex-direction:column;gap:1px}
.nav-name{font-family:'Merriweather',serif;font-size:1.08rem;font-weight:700;color:#d4a017;line-height:1;letter-spacing:-.015em}
.nav-sub{font-family:'Source Code Pro',monospace;font-size:.58rem;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.nav-links{display:flex;list-style:none;align-items:center}
.nav-links li a{font-size:.86rem;font-weight:700;color:var(--mid);padding:.42rem .82rem;border-radius:var(--r);transition:color .2s,background .2s;display:block}
.nav-links li a:hover{color:var(--p);background:var(--p-tint)}
.nav-links .cta a{background:var(--p);color:var(--white)!important;margin-left:.4rem;padding:.46rem 1.2rem!important;border-radius:var(--r)}
.nav-links .cta a:hover{background:var(--p-soft)!important}
.hamburger{display:none;flex-direction:column;gap:5px;padding:6px;background:none;border:none}
.hamburger span{display:block;width:22px;height:2px;background:var(--p);border-radius:2px;transition:all .3s}
.mob-menu{display:none;position:fixed;top:108px;left:0;right:0;background:var(--white);border-top:3px solid var(--gold);padding:.75rem 1.5rem;z-index:999;flex-direction:column;box-shadow:var(--sh-md)}
.mob-menu.open{display:flex}
.mob-menu a{font-size:.9rem;font-weight:700;color:var(--mid);padding:.68rem .5rem;border-bottom:1px solid var(--border);transition:color .2s}
.mob-menu a:last-child{border:none;color:var(--p);font-weight:900}

/* ── FOOTER ── */
footer{background:#010f1c;border-top:1px solid rgba(184,134,11,.18);padding:3.5rem 3rem 2rem}
.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:3rem;padding-bottom:2.5rem;border-bottom:1px solid rgba(255,255,255,.06)}
.footer-logo-row{display:flex;align-items:center;gap:.8rem;margin-bottom:.9rem}
.footer-mark{width:44px;height:44px;background:var(--white);border-radius:var(--r);display:flex;align-items:center;justify-content:center;border:1.5px solid rgba(184,134,11,.25);flex-shrink:0;overflow:hidden;padding:3px}
.footer-mark img{width:100%;height:100%;object-fit:contain;display:block}
.footer-brand-name{font-family:'Merriweather',serif;font-size:1.15rem;font-weight:900;color:var(--white)}
.footer-brand-name span{color:var(--gold)}
.footer-tagline{font-size:.87rem;font-weight:300;color:rgba(255,255,255,.38);line-height:1.7;margin-bottom:1.4rem;max-width:280px}
.footer-contact-row{display:flex;flex-direction:column;gap:.5rem}
.footer-contact-item{display:flex;align-items:center;gap:.5rem;font-size:.83rem;color:rgba(255,255,255,.45);transition:color .2s}
.footer-contact-item:hover{color:var(--gold-lt)}
.footer-contact-item svg{width:13px;height:13px;fill:currentColor;flex-shrink:0}
.footer-col-title{font-family:'Lato',sans-serif;font-size:.7rem;font-weight:900;color:rgba(255,255,255,.55);letter-spacing:.12em;text-transform:uppercase;margin-bottom:1.1rem;padding-bottom:.5rem;border-bottom:1px solid rgba(184,134,11,.18)}
.footer-links{display:flex;flex-direction:column;gap:.55rem}
.footer-links a{font-size:.85rem;color:rgba(255,255,255,.4);transition:color .2s}
.footer-links a:hover{color:var(--gold-lt)}
.footer-bottom{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding-top:1.5rem;flex-wrap:wrap;gap:1rem}
.footer-copy{font-family:'Source Code Pro',monospace;font-size:.67rem;color:rgba(255,255,255,.2)}
.footer-social{display:flex;gap:.6rem}
.footer-social a{width:32px;height:32px;border:1px solid rgba(255,255,255,.1);border-radius:var(--r);display:grid;place-items:center;color:rgba(255,255,255,.35);font-size:.65rem;transition:all .2s}
.footer-social a:hover{border-color:var(--gold);color:var(--gold-lt)}

/* ── WA FLOAT ── */
.wa-float{position:fixed;bottom:28px;right:28px;z-index:9999;display:flex;align-items:center;text-decoration:none}
.wa-float__label{background:#25d366;color:#fff;font-family:'Lato',sans-serif;font-size:.82rem;font-weight:700;padding:.45rem .9rem .45rem 1.1rem;border-radius:24px 0 0 24px;white-space:nowrap;max-width:0;overflow:hidden;opacity:0;transition:max-width .35s,opacity .25s;box-shadow:-2px 4px 14px rgba(0,0,0,.15)}
.wa-float:hover .wa-float__label{max-width:200px;opacity:1}
.wa-float__icon{width:58px;height:58px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 4px 20px rgba(37,211,102,.45);position:relative}
.wa-float__icon svg{width:30px;height:30px}
.wa-float__icon::after{content:'';position:absolute;width:58px;height:58px;border-radius:50%;background:rgba(37,211,102,.35);animation:waPulse 2.2s ease-out infinite}
@keyframes waPulse{0%{transform:scale(1);opacity:.7}70%,100%{transform:scale(1.7);opacity:0}}

/* ════════════════════════════════════════════════
   PAGE LAYOUT
════════════════════════════════════════════════ */
.page-wrap{max-width:960px;margin:0 auto;padding:2.5rem 1.5rem 5rem}

/* ── BREADCRUMB ── */
.breadcrumb{display:flex;align-items:center;gap:.4rem;font-family:'Source Code Pro',monospace;font-size:.68rem;color:rgba(255,255,255,.45);margin-bottom:1rem;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.5);transition:color .2s}
.breadcrumb a:hover{color:var(--gold-lt)}
.breadcrumb span{color:rgba(255,255,255,.3)}

/* ── HERO ── */
.page-hero{background:var(--p);padding:2.8rem 2.5rem 2.5rem;border-radius:var(--r2);margin-bottom:1.2rem;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(-60deg,transparent,transparent 44px,rgba(255,255,255,.016) 44px,rgba(255,255,255,.016) 45px)}
.page-hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--gold) 30%,var(--gold-lt) 70%,transparent)}
.hero-inner{position:relative;z-index:2}
.hero-kicker{display:inline-flex;align-items:center;gap:.5rem;background:rgba(184,134,11,.14);border:1px solid rgba(184,134,11,.32);color:var(--gold-lt);font-family:'Source Code Pro',monospace;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;padding:5px 14px;border-radius:2px;margin-bottom:1rem}
.kicker-dot{width:7px;height:7px;background:var(--gold);border-radius:50%;animation:kdPulse 2s ease-in-out infinite;flex-shrink:0}
@keyframes kdPulse{0%,100%{opacity:1}50%{opacity:.3}}
.page-hero h1{font-family:'Merriweather',serif;font-size:clamp(1.4rem,3vw,2.1rem);font-weight:900;color:var(--white);line-height:1.18;margin-bottom:.6rem;letter-spacing:-.02em}
.page-hero h1 .gold{color:var(--gold)}
.page-hero p{font-size:.93rem;font-weight:300;color:rgba(255,255,255,.65);line-height:1.75;max-width:640px;margin-bottom:1.4rem}
.page-hero p strong{color:rgba(255,255,255,.9)}

/* Hero consult button */
.hero-consult-btn{display:inline-flex;align-items:center;gap:.6rem;background:#25d366;color:#fff;font-family:'Lato',sans-serif;font-size:.88rem;font-weight:700;padding:.7rem 1.4rem;border-radius:24px;text-decoration:none;transition:all .2s;box-shadow:0 4px 16px rgba(37,211,102,.4)}
.hero-consult-btn:hover{background:#1ea952;transform:translateY(-2px);box-shadow:0 6px 22px rgba(37,211,102,.5)}

/* ── CONCEPT STRIP ── */
.concept-strip{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:.6rem;align-items:center;background:var(--off);border:1.5px solid var(--border);border-radius:var(--r2);padding:1rem 1.2rem;margin-bottom:1.2rem}
.cs-item{display:flex;align-items:flex-start;gap:.65rem}
.cs-icon{font-size:1.3rem;flex-shrink:0;margin-top:.1rem}
.cs-title{font-family:'Merriweather',serif;font-size:.8rem;font-weight:700;color:var(--p);margin-bottom:.2rem}
.cs-sub{font-size:.75rem;color:var(--mid);line-height:1.55}
.cs-sub strong{color:var(--text)}
.cs-divider{width:1px;background:var(--border);align-self:stretch}

/* ── PANELS ── */
.panel{background:var(--white);border:1.5px solid var(--border);border-radius:var(--r2);margin-bottom:1rem;overflow:hidden;box-shadow:var(--sh-xs)}
.panel-head{padding:.9rem 1.2rem;display:flex;align-items:center;gap:.75rem;border-bottom:1px solid var(--border);background:var(--off);flex-wrap:wrap;gap:.6rem}
.step-badge{width:26px;height:26px;border-radius:50%;background:var(--p);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;font-family:'Source Code Pro',monospace;flex-shrink:0}
.ph-title{font-family:'Merriweather',serif;font-size:.95rem;font-weight:700;color:var(--p);line-height:1.2}
.ph-sub{font-size:.76rem;color:var(--muted);margin-top:1px}
.panel-body{padding:1.2rem}
.panel-head-actions{margin-left:auto;display:flex;gap:.5rem;align-items:center}

/* ── GLOBAL SETTINGS ── */
.gs-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.gs-block{display:flex;flex-direction:column;gap:.6rem}
.gs-label{font-family:'Source Code Pro',monospace;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.gs-example{font-size:.75rem;color:var(--muted);font-style:italic;margin-top:.2rem}

/* Segmented control */
.seg-ctrl{display:flex;background:var(--off);border:1.5px solid var(--border);border-radius:var(--r2);overflow:hidden;padding:3px;gap:3px}
.seg-btn{flex:1;padding:.55rem .75rem;background:transparent;color:var(--mid);border:none;border-radius:var(--r);cursor:pointer;font-family:'Lato',sans-serif;font-size:.82rem;font-weight:700;text-align:center;transition:all .2s;display:flex;flex-direction:column;align-items:center;gap:2px;line-height:1.2}
.seg-btn .seg-sub{font-size:.65rem;font-weight:400;opacity:.7;display:block}
.seg-btn:hover{color:var(--p);background:rgba(0,61,107,.06)}
.seg-btn.active{background:var(--p);color:#fff;box-shadow:0 1px 4px rgba(0,61,107,.25)}
.seg-btn.active .seg-sub{opacity:.75}

/* Rate group */
.rate-group{display:flex;flex-wrap:wrap;gap:.4rem}
.rate-btn{padding:.4rem .82rem;border:1.5px solid var(--border);border-radius:var(--r);background:var(--off);font-family:'Source Code Pro',monospace;font-size:.78rem;font-weight:700;color:var(--mid);cursor:pointer;transition:all .18s}
.rate-btn:hover{border-color:var(--p);color:var(--p);background:var(--p-tint)}
.rate-btn.active{background:var(--p);color:#fff;border-color:var(--p)}

/* ── ADD ITEM BUTTONS ── */
.btn-add-item{display:inline-flex;align-items:center;gap:.4rem;padding:.48rem 1rem;background:var(--p);color:#fff;border-radius:var(--r);font-size:.8rem;font-weight:700;border:none;cursor:pointer;transition:all .2s;white-space:nowrap}
.btn-add-item:hover{background:var(--p-mid)}
.items-footer{padding:.75rem 1.2rem;border-top:1px solid var(--border);background:var(--off)}
.btn-add-item-inline{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1.2rem;background:var(--white);color:var(--p);border:1.5px dashed var(--p-tint2);border-radius:var(--r2);font-size:.85rem;font-weight:700;cursor:pointer;transition:all .2s;width:100%;justify-content:center}
.btn-add-item-inline:hover{border-color:var(--p);background:var(--p-tint)}

/* ── ITEM CARD ── */
.item-card{border-bottom:2px solid var(--border);padding:1.2rem;position:relative;transition:background .2s}
.item-card:last-child{border-bottom:none}
.item-card:nth-child(even){background:rgba(245,247,250,.5)}

/* Card header */
.ic-header{display:flex;align-items:center;gap:.7rem;margin-bottom:1rem}
.ic-header-left{display:flex;align-items:center;gap:.7rem;flex:1;min-width:0}
.ic-num{width:26px;height:26px;border-radius:50%;background:var(--p);color:#fff;font-family:'Source Code Pro',monospace;font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ic-name-input{flex:1;min-width:0;padding:.45rem .7rem;border:1.5px solid var(--border);border-radius:var(--r);font-family:'Lato',sans-serif;font-size:.88rem;color:var(--text);background:var(--off);outline:none;transition:border-color .2s,background .2s}
.ic-name-input:focus{border-color:var(--p);background:var(--white)}
.ic-name-input::placeholder{color:var(--bdr-dk)}
.ic-del-btn{padding:.4rem .8rem;background:var(--red-bg);color:var(--red);border:1.5px solid var(--red-border);border-radius:var(--r);font-size:.76rem;font-weight:700;cursor:pointer;transition:all .2s;white-space:nowrap;flex-shrink:0}
.ic-del-btn:hover{background:var(--red);color:#fff}

/* Card fields grid */
.ic-fields{display:grid;grid-template-columns:1fr 1fr auto auto;gap:.9rem 1rem;align-items:start;margin-bottom:1rem}
.ic-field{display:flex;flex-direction:column;gap:.35rem}
.ic-field-sm{min-width:100px}
.ic-label{font-family:'Source Code Pro',monospace;font-size:.65rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:.4rem;flex-wrap:wrap;line-height:1.3}
.ic-hint{font-size:.68rem;color:var(--muted);line-height:1.4}

/* Badges on labels */
.ic-badge{font-size:.6rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:2px 6px;border-radius:2px}
.ic-badge-grey{background:var(--off2);color:var(--muted);border:1px solid var(--border)}
.ic-badge-blue{background:var(--p-tint);color:var(--p);border:1px solid var(--p-tint2)}
.ic-badge-amber{background:var(--amber-bg);color:var(--amber);border:1px solid var(--amber-border)}
.ic-badge-green{background:var(--green-bg);color:var(--green);border:1px solid var(--green-border)}

/* Input wrappers */
.ic-input-wrap{display:flex;align-items:stretch;border:1.5px solid var(--border);border-radius:var(--r);overflow:hidden;background:var(--white);transition:border-color .2s,box-shadow .2s}
.ic-input-wrap:focus-within{border-color:var(--p);box-shadow:0 0 0 3px rgba(0,61,107,.1)}
.ic-prefix,.ic-suffix{display:flex;align-items:center;padding:0 .6rem;background:var(--off);font-family:'Source Code Pro',monospace;font-size:.82rem;color:var(--muted);border-right:1.5px solid var(--border);flex-shrink:0;user-select:none}
.ic-suffix{border-right:none;border-left:1.5px solid var(--border)}
.ic-input{flex:1;padding:.6rem .75rem;border:none;outline:none;background:transparent;font-family:'Lato',sans-serif;font-size:.92rem;color:var(--text);width:0;min-width:0}
.ic-input::placeholder{color:var(--bdr-dk)}
.ic-input-highlight{font-weight:700}

/* GST select */
.ic-select{width:100%;padding:.65rem .7rem;border:1.5px solid var(--border);border-radius:var(--r);background:var(--white);font-family:'Lato',sans-serif;font-size:.88rem;color:var(--text);outline:none;cursor:pointer;transition:border-color .2s}
.ic-select:focus{border-color:var(--p)}

/* Mode toggle per item */
.mode-toggle{display:flex;background:var(--off);border:1.5px solid var(--border);border-radius:var(--r);overflow:hidden;padding:2px;gap:2px}
.mode-btn{flex:1;padding:.45rem .5rem;font-size:.72rem;font-weight:700;font-family:'Lato',sans-serif;background:transparent;color:var(--mid);border:none;border-radius:2px;cursor:pointer;transition:all .18s;white-space:nowrap}
.mode-btn:hover{color:var(--p)}
.mode-btn.active{background:var(--p);color:#fff}

/* ── LIVE RESULT STRIP ── */
.ic-live{background:var(--off);border-radius:var(--r2);padding:.9rem 1rem;margin-bottom:.6rem;min-height:52px}
.ic-live-placeholder{font-size:.78rem;color:var(--muted);font-style:italic;display:flex;align-items:center;height:100%}
.ic-live-err{font-size:.8rem;color:var(--red);font-weight:600;display:flex;align-items:center;gap:.4rem}
.ic-live-grid{display:flex;align-items:stretch;gap:.5rem;flex-wrap:wrap}
.ic-live-item{display:flex;flex-direction:column;gap:.2rem;min-width:90px;flex:1}
.ic-live-sep{display:flex;align-items:center;font-size:1.2rem;font-weight:700;color:var(--gold);flex-shrink:0;padding:0 .15rem}
.ic-live-divider{width:1px;background:var(--border);align-self:stretch;flex-shrink:0;margin:0 .2rem}
.icli-label{font-family:'Source Code Pro',monospace;font-size:.6rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);line-height:1.3}
.icli-val{font-family:'Merriweather',serif;font-size:.95rem;font-weight:700;line-height:1.2}
.icli-sub{font-size:.62rem;color:var(--muted);font-family:'Lato',sans-serif;font-weight:400;margin-top:.15rem}
.icli-sell{color:#1d4ed8}
.icli-gst{color:var(--gst-purple)}
.icli-ok{color:var(--green)}
.icli-warn{color:var(--red)}
.icli-profit{color:var(--green)}
.icli-gst-net{color:var(--gst-purple)}

/* ── MRP ALERT ── */
.ic-mrp-alert{display:flex;align-items:flex-start;gap:.6rem;padding:.7rem .9rem;border-radius:0 0 var(--r2) var(--r2);font-size:.8rem;line-height:1.55}
.ic-mrp-alert>span{font-size:.95rem;flex-shrink:0;margin-top:1px}
.rma-ok{background:var(--green-bg);color:var(--green)}
.rma-fail{background:var(--red-bg);color:var(--red);font-weight:600}
.rma-fail strong,.rma-ok strong{font-weight:700}
.mrp-bar{height:5px;background:rgba(21,128,61,.15);border-radius:3px;overflow:hidden;margin-top:.4rem;max-width:260px}
.mrp-bar-fill{height:100%;background:var(--green);border-radius:3px;transition:width .4s}

/* ── CALC BAR ── */
.calc-bar{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap;padding:1rem 0;margin-bottom:.5rem}
.btn-calc{display:inline-flex;align-items:center;gap:.55rem;padding:.82rem 2rem;background:var(--p);color:#fff;border:none;border-radius:var(--r);font-family:'Lato',sans-serif;font-size:.95rem;font-weight:900;cursor:pointer;transition:all .2s;box-shadow:0 2px 12px rgba(0,61,107,.25)}
.btn-calc:hover{background:var(--p-mid);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,61,107,.3)}
.btn-calc:active{transform:translateY(0)}
.btn-reset-all{display:inline-flex;align-items:center;gap:.45rem;padding:.7rem 1.3rem;background:var(--off);color:var(--muted);border:1.5px solid var(--border);border-radius:var(--r);font-family:'Lato',sans-serif;font-size:.84rem;font-weight:700;cursor:pointer;transition:all .2s}
.btn-reset-all:hover{border-color:var(--red);color:var(--red);background:var(--red-bg)}
.calc-hint{font-size:.76rem;color:var(--muted);line-height:1.4}

/* ── RESULTS ── */
.summary-boxes{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.9rem;margin-bottom:1rem}
.summary-box{background:var(--white);border:1.5px solid var(--border);border-radius:var(--r2);padding:.95rem 1rem;text-align:center;position:relative;overflow:hidden;box-shadow:var(--sh-xs)}
.summary-box::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;border-radius:0 0 8px 8px}
.s-label{font-size:.6rem;font-family:'Source Code Pro',monospace;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:.4rem;line-height:1.4}
.s-value{font-family:'Merriweather',serif;font-size:clamp(.88rem,2.5vw,1.15rem);font-weight:700;word-break:break-word;margin-bottom:.2rem}
.s-mini{font-size:.62rem;color:var(--muted);font-family:'Source Code Pro',monospace;line-height:1.4}
.cost-box::after{background:var(--p)}.cost-box .s-value{color:var(--p)}
.sell-box::after{background:#1d4ed8}.sell-box .s-value{color:#1d4ed8}
.invoice-box::after{background:var(--green)}.invoice-box .s-value{color:var(--green)}
.profit-box::after{background:var(--green)}.profit-box .s-value{color:var(--green)}
.gst-net-box::after{background:var(--gst-purple)}.gst-net-box .s-value{color:var(--gst-purple)}
.val-ok{color:var(--green)!important}
.val-warn{color:var(--red)!important}

/* ITC Box */
.itc-box{background:var(--off);border:1.5px solid var(--border);border-radius:var(--r2);padding:1rem 1.2rem;margin-bottom:1rem}
.itc-row{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;margin-bottom:.75rem}
.itc-cell{flex:1;min-width:120px;background:var(--white);border:1px solid var(--border);border-radius:var(--r);padding:.65rem .85rem;text-align:center}
.itc-cell.itc-deposit{background:var(--gst-purple-bg);border-color:var(--gst-purple-border)}
.itc-label{font-family:'Source Code Pro',monospace;font-size:.6rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:.3rem}
.itc-val{font-family:'Merriweather',serif;font-size:1rem;font-weight:700}
.itc-credit{color:var(--green)}.itc-collected{color:var(--amber)}.itc-net{color:var(--gst-purple)}
.itc-op{font-size:1.4rem;font-weight:700;color:var(--gold);flex-shrink:0}
.itc-note{font-size:.8rem;color:var(--mid);line-height:1.7;border-top:1px solid var(--border);padding-top:.65rem}
.itc-note strong{color:var(--text);font-weight:700}

/* Results table */
.results-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.result-table{width:100%;border-collapse:collapse;font-size:.84rem;min-width:750px}
.result-table th{background:var(--p);color:#fff;padding:.6rem .8rem;text-align:left;font-family:'Source Code Pro',monospace;font-size:.65rem;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.result-table td{padding:.6rem .8rem;border-bottom:1px solid var(--border);color:var(--text);vertical-align:middle}
.result-table tr:last-child td{border-bottom:none}
.result-table tr.row-warn td{background:rgba(254,242,242,.5)}
.result-table tr:hover td{background:var(--p-tint)}
.result-table .tr{text-align:right;font-family:'Source Code Pro',monospace}
.result-table .tc{text-align:center}
.total-row td{background:var(--off2)!important;font-weight:700;border-top:2px solid var(--bdr-dk)!important}
.rate-tag{display:inline-block;background:var(--p-tint);color:var(--p);border:1px solid var(--p-tint2);font-family:'Source Code Pro',monospace;font-size:.65rem;font-weight:700;padding:2px 7px;border-radius:2px}
.txn-badge{display:inline-flex;align-items:center;gap:.35rem;font-family:'Source Code Pro',monospace;font-size:.68rem;font-weight:700;padding:3px 10px;border-radius:2px}
.txn-badge.intra{background:#e0f2fe;color:#0369a1;border:1px solid #bae6fd}
.txn-badge.inter{background:var(--gst-purple-bg);color:var(--gst-purple);border:1px solid var(--gst-purple-border)}

/* Per-item detail cards */
.idc{background:var(--white);border:1.5px solid var(--border);border-radius:var(--r2);padding:1.1rem 1.2rem;margin-bottom:.8rem;box-shadow:var(--sh-xs)}
.idc-head{display:flex;align-items:center;gap:.55rem;flex-wrap:wrap;margin-bottom:.75rem}
.idc-num{width:22px;height:22px;border-radius:50%;background:var(--p);color:#fff;font-size:.68rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.idc-name{font-family:'Merriweather',serif;font-size:.9rem;color:var(--p)}
.idc-banner{display:flex;align-items:center;gap:.5rem;padding:.6rem .85rem;border-radius:var(--r);font-size:.8rem;margin-bottom:.85rem;line-height:1.5}
.banner-ok{background:var(--green-bg);color:var(--green);border:1px solid var(--green-border)}
.banner-fail{background:var(--red-bg);color:var(--red);border:1px solid var(--red-border);font-weight:600}
.idc-flow{display:flex;align-items:stretch;gap:.4rem;flex-wrap:wrap}
.idc-fi{flex:1;min-width:80px;border:1.5px solid var(--border);border-radius:var(--r2);padding:.65rem .75rem;text-align:center}
.idc-fi-ok{background:var(--green-bg);border-color:var(--green-border)}
.idc-fi-ok .fi-val{color:var(--green)!important}
.idc-fi-warn{background:var(--red-bg);border-color:var(--red-border)}
.idc-fi-warn .fi-val{color:var(--red)!important}
.fi-label{font-family:'Source Code Pro',monospace;font-size:.58rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:.25rem}
.fi-val{font-family:'Merriweather',serif;font-size:.9rem;font-weight:700;line-height:1.2}
.fi-sub{font-size:.62rem;color:var(--muted);margin-top:.2rem}
.idc-arrow{display:flex;align-items:center;font-size:1.1rem;font-weight:700;color:var(--gold);flex-shrink:0}

/* Note box */
.note-box{background:var(--off);border-left:3px solid var(--gold);border-radius:0 var(--r2) var(--r2) 0;padding:.85rem 1rem;font-size:.8rem;color:var(--mid);line-height:1.72}
.note-box strong{font-weight:700;color:var(--text)}

/* ── BOOK CONSULTATION PANEL ── */
.consult-panel{background:linear-gradient(135deg,var(--p) 0%,var(--p-mid) 100%);border-radius:var(--r2);padding:2rem 2rem;margin-bottom:1.2rem;display:flex;align-items:center;gap:2rem;flex-wrap:wrap;position:relative;overflow:hidden}
.consult-panel::before{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(-60deg,transparent,transparent 44px,rgba(255,255,255,.02) 44px,rgba(255,255,255,.02) 45px)}
.consult-panel::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--gold) 30%,var(--gold-lt) 70%,transparent)}
.consult-left{display:flex;align-items:flex-start;gap:1rem;flex:1;min-width:0;position:relative;z-index:2}
.consult-icon{font-size:2.2rem;flex-shrink:0;margin-top:.2rem}
.consult-title{font-family:'Merriweather',serif;font-size:1.05rem;font-weight:700;color:#fff;margin-bottom:.4rem;line-height:1.3}
.consult-sub{font-size:.84rem;color:rgba(255,255,255,.65);line-height:1.65;margin-bottom:.75rem;max-width:500px}
.consult-items{display:flex;flex-wrap:wrap;gap:.4rem .9rem}
.consult-items span{font-size:.78rem;color:rgba(255,255,255,.75);font-weight:600}
.consult-right{display:flex;flex-direction:column;align-items:center;gap:.5rem;flex-shrink:0;position:relative;z-index:2}
.consult-btn{display:inline-flex;align-items:center;gap:.65rem;background:#25d366;color:#fff;font-family:'Lato',sans-serif;font-size:.9rem;font-weight:700;padding:.85rem 1.6rem;border-radius:24px;text-decoration:none;transition:all .2s;box-shadow:0 4px 16px rgba(0,0,0,.25);white-space:nowrap}
.consult-btn:hover{background:#1ea952;transform:translateY(-2px);box-shadow:0 6px 22px rgba(0,0,0,.3)}
.consult-meta{font-size:.72rem;color:rgba(255,255,255,.45);text-align:center}

/* ── ABOUT SECTION ── */
.about-section{margin-top:.5rem}
.about-section h2{font-family:'Merriweather',serif;font-size:1.1rem;font-weight:700;color:var(--p);margin-bottom:.8rem;padding-bottom:.45rem;border-bottom:2px solid var(--gold);display:inline-block}
.about-section h3{font-family:'Merriweather',serif;font-size:.9rem;font-weight:700;color:var(--text);margin:1.2rem 0 .5rem}
.about-section p{font-size:.88rem;color:var(--mid);line-height:1.78;margin-bottom:.8rem}
.about-section strong{color:var(--text)}
.example-box{background:var(--off);border:1.5px solid var(--border);border-radius:var(--r2);padding:1rem 1.2rem;margin:1rem 0 1.4rem;font-size:.86rem}
.eg-head{font-family:'Merriweather',serif;font-weight:700;color:var(--p);font-size:.88rem;margin-bottom:.75rem;padding-bottom:.45rem;border-bottom:1px solid var(--border)}
.eg-row{display:flex;justify-content:space-between;align-items:baseline;padding:.3rem 0;color:var(--mid);gap:.5rem}
.eg-row span:last-child{font-family:'Source Code Pro',monospace;font-size:.82rem;font-weight:600;text-align:right;white-space:nowrap}
.eg-hi{font-weight:700;color:var(--p)}
.eg-profit{font-weight:700;color:var(--green)}
.eg-divider{height:1px;background:var(--border);margin:.35rem 0}
.rate-table-wrap{overflow-x:auto;border-radius:var(--r);border:1px solid var(--border);margin:1rem 0}
.rate-table{width:100%;border-collapse:collapse;font-size:.84rem}
.rate-table th{background:var(--p);color:#fff;padding:.55rem .9rem;text-align:left;font-size:.7rem;font-family:'Source Code Pro',monospace;letter-spacing:.06em;text-transform:uppercase}
.rate-table td{padding:.55rem .9rem;border-bottom:1px solid var(--border);color:var(--mid)}
.rate-table tr:last-child td{border-bottom:none}
.rate-table tr:nth-child(even) td{background:var(--off)}

/* DISCLAIMER */
.disclaimer-panel{margin-top:.5rem;border:1.5px solid rgba(184,134,11,.4);border-left:4px solid var(--gold);border-radius:var(--r2);background:var(--gold-pl);padding:1.1rem 1.2rem}
.disclaimer-title{font-family:'Merriweather',serif;font-size:.88rem;font-weight:700;color:var(--gold);margin-bottom:.5rem}
.disclaimer-panel p{font-size:.79rem;color:var(--mid);line-height:1.75}
.disclaimer-panel strong{color:var(--text)}

/* MORE UTILITIES */
.section-eyebrow{font-family:'Source Code Pro',monospace;font-size:.68rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:.4rem;display:flex;align-items:center;gap:.5rem}
.section-eyebrow::before{content:'';display:inline-block;width:18px;height:2px;background:var(--gold);border-radius:2px}
.section-heading{font-family:'Merriweather',serif;font-size:1.05rem;font-weight:700;color:var(--p);padding-bottom:.4rem;border-bottom:2px solid var(--gold);display:inline-block;margin-bottom:1.1rem}
.utils-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:1rem}
.util-card{display:flex;flex-direction:column;gap:.5rem;padding:1rem 1.1rem;background:var(--off);border:1.5px solid var(--border);border-radius:var(--r2);text-decoration:none;color:inherit;transition:all .22s}
.util-card:hover{border-color:var(--p);transform:translateY(-2px);box-shadow:var(--sh-md);background:var(--white)}
.uc-title{font-family:'Merriweather',serif;font-size:.86rem;font-weight:700;color:var(--p);line-height:1.3}
.uc-desc{font-size:.76rem;color:var(--muted);line-height:1.55;flex:1}
.uc-badge{font-family:'Source Code Pro',monospace;font-size:.6rem;color:var(--p);background:var(--p-tint);border:1px solid var(--p-tint2);padding:2px 7px;border-radius:2px;width:fit-content}
.btn-view-all{display:inline-flex;align-items:center;gap:.5rem;font-size:.84rem;font-weight:700;color:var(--p);background:var(--off);border:1.5px solid var(--border);padding:.6rem 1.4rem;border-radius:var(--r);text-decoration:none;transition:all .2s}
.btn-view-all:hover{border-color:var(--p);background:var(--p-tint)}

/* ════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════ */
@media(max-width:900px){
  .concept-strip{grid-template-columns:1fr;gap:.5rem}
  .cs-divider{display:none}
  .gs-grid{grid-template-columns:1fr}
}

@media(max-width:768px){
  nav{padding:0 1.2rem}
  .nav-links{display:none}
  .hamburger{display:flex}
  .topbar{display:none!important}
  body{padding-top:70px}
  html{scroll-padding-top:70px}
  footer{padding:2rem 1.2rem 1.5rem}
  .footer-grid{grid-template-columns:1fr;gap:1.8rem}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center}
  .page-wrap{padding:1.5rem 1rem 4rem}
  .page-hero{padding:2rem 1.3rem 2rem}
  /* item card fields — 2 cols on tablet */
  .ic-fields{grid-template-columns:1fr 1fr}
  .consult-panel{flex-direction:column;padding:1.5rem}
  .consult-right{width:100%}
  .consult-btn{width:100%;justify-content:center}
}

@media(max-width:560px){
  /* item card fields — 1 col on mobile */
  .ic-fields{grid-template-columns:1fr}
  .ic-field-sm{min-width:unset}
  .ic-live-grid{gap:.35rem}
  .ic-live-item{min-width:70px}
  .ic-live-sep{display:none}
  .ic-live-divider{display:none}
  .idc-flow{flex-direction:column;gap:.4rem}
  .idc-arrow{display:none}
  .btn-calc{width:100%;justify-content:center}
  .calc-bar{flex-direction:column;align-items:stretch}
  .btn-reset-all{justify-content:center}
  .summary-boxes{grid-template-columns:1fr 1fr}
  .page-hero h1{font-size:1.3rem}
  .hero-consult-btn{width:100%;justify-content:center}
  .seg-ctrl{flex-direction:column}
  .itc-row{flex-direction:column}
  .itc-op{text-align:center}
}

@media(max-width:480px){
  nav{height:60px}
  .mob-menu{top:60px}
  body{padding-top:60px}
  html{scroll-padding-top:60px}
  .summary-boxes{grid-template-columns:1fr}
}