/* Vistara Business Advisory — stylesheet (v80). Same design system as the Heritage site. */
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url("fonts/source-serif-4-latin.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/ibm-plex-sans-400.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/ibm-plex-sans-500.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/ibm-plex-sans-600.woff2") format("woff2")}
:root{--serif:"Source Serif 4",Georgia,"Times New Roman",serif;--sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
--ink:#14284a;--red:#b02028;--red-dark:#8e1a21;--text:#243247;--muted:#53647a;--line:#d9dfe7;--stone:#eef1f5;--mist:#f8f9fb;--on-dark:#d7dfeb;--radius:6px;--gutter:clamp(18px,4vw,32px)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--text);font:400 16.5px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--red);outline-offset:2px;border-radius:3px}
.skip{position:absolute;left:-999px;top:8px;z-index:200;padding:10px 16px;background:var(--ink);color:#fff;border-radius:var(--radius)}
.skip:focus{left:8px}
h1,h2,h3{margin:0 0 .45em;color:var(--ink);font-family:var(--serif);font-weight:600;line-height:1.18;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(34px,4.6vw,54px);letter-spacing:-.02em}
h2{font-size:clamp(26px,3vw,36px)}
h3{font-size:clamp(18px,1.5vw,21px);line-height:1.3}
p{margin:0 0 .75em}
p:last-child{margin-bottom:0}
strong{font-weight:600;color:var(--ink)}
p a{color:var(--red);font-weight:500;text-decoration:underline;text-underline-offset:3px}
.container{width:min(1160px,calc(100% - 2*var(--gutter)));margin-inline:auto}

/* Header */
.topline{background:var(--stone);border-bottom:1px solid var(--line);font-size:13.5px}
.topline .container{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:32px;flex-wrap:wrap}
.topline span{color:var(--muted)}
.topline nav{display:flex;gap:20px}
.topline a{color:var(--ink);font-weight:500}
.topline a:hover{color:var(--red)}
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.navrow{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:62px}
.brand img{width:120px}
#site-nav ul{display:flex;gap:4px;margin:0;padding:0;list-style:none}
#site-nav a{display:block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--ink);border-bottom:2px solid transparent}
#site-nav a:hover,#site-nav a.active{color:var(--red);border-bottom-color:var(--red)}
.menu-btn{display:none;padding:9px 16px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--ink);font:500 15px var(--sans);cursor:pointer}

/* Buttons */
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:var(--radius);font-size:15.5px;font-weight:600;line-height:1.2;text-align:center;border:1px solid transparent;transition:background .15s,border-color .15s}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark)}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.page-light .btn-outline{border-color:#b6c2d1;color:var(--ink)}

/* Hero */
.hero{background:var(--ink);color:var(--on-dark)}
.hero .container{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:center}
.hero-copy{padding-block:clamp(24px,3.2vw,38px)}
.hero h1{color:#fff}
.lead{font-size:clamp(17px,1.5vw,19.5px);line-height:1.6;color:var(--on-dark)}
.hero figure{margin:0;padding-block:clamp(18px,2.5vw,30px)}
.hero img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius)}
.hero-points{display:flex;flex-wrap:wrap;gap:6px 26px;margin:16px 0 0;padding:0;list-style:none;font-weight:500;color:#fff}

/* Diamond bullet (items and headings; hanging indent so sub-lines align with the text) */
.mark,.bul li,.hero-points li{position:relative;padding-left:20px}
.mark::before,.bul li::before,.hero-points li::before{content:"";position:absolute;left:2px;top:calc(.65em - 4px);width:8px;height:8px;background:var(--red);transform:rotate(45deg)}
.hero-points li::before{background:#e0555d}
.bul{margin:0;padding:0;list-style:none}
.bul li{margin-bottom:4px;font-size:15.5px;line-height:1.5}
.bul li::before{top:calc(.65em - 3px)}

/* Sections */
.section{padding-block:clamp(24px,3vw,38px)}
.section.stone{background:var(--stone)}
.section-head{margin-bottom:clamp(12px,1.8vw,18px)}
.section-head h2{margin-bottom:.2em}
.section-head p{color:var(--muted);font-size:17px}
.notice{margin-top:16px;padding:12px 18px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--red);border-radius:var(--radius);font-size:16px}

/* Service cards */
.svc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.svc{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.svc img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--stone)}
.svc div{padding:12px 16px 14px}
.svc h3{margin-bottom:6px}

/* Three-up text and definition rows */
.cols3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 clamp(16px,2.5vw,32px);border-top:1px solid var(--line)}
.cols3>div{padding:12px 0 4px}
.cols3 h3{margin-bottom:3px}
.cols3 p{color:var(--muted);font-size:15.5px}
.rows{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(24px,4vw,56px);margin:0}
.rows>div{padding:10px 0;border-top:1px solid var(--line)}
.rows dt{margin-bottom:2px;font:600 18px/1.3 var(--serif);color:var(--ink)}
.rows dd{margin:0}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(14px,2vw,24px);margin:0;padding:0;list-style:none;counter-reset:s}
.steps li{counter-increment:s;padding-top:10px;border-top:3px solid var(--ink)}
.steps li::before{content:counter(s);display:block;margin-bottom:2px;font:600 26px/1 var(--serif);color:var(--red)}
.steps h3{margin-bottom:3px}
.steps p{color:var(--muted)}

/* FAQ */
.faq{display:grid;gap:7px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:0 18px}
.faq summary{position:relative;list-style:none;cursor:pointer;padding:11px 34px 11px 0;color:var(--ink);font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--red);font-size:24px;font-weight:400}
.faq details[open] summary::after{content:"\2212"}
.faq details p{padding:0 0 12px}

/* Contact band */
.dark{background:var(--ink);color:var(--on-dark)}
.dark h2{color:#fff}
.dark p{color:var(--on-dark)}
.contact-band .container{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,64px);align-items:center}
.details{display:grid;margin:0}
.details>div{padding:9px 0;border-top:1px solid rgba(255,255,255,.2)}
.details>div:last-child{border-bottom:1px solid rgba(255,255,255,.2)}
.details dt{margin-bottom:2px;font-size:13.5px;font-weight:600;color:#f0a7ac}
.details dd{margin:0;overflow-wrap:anywhere}
.details a{color:#fff;font-weight:500;text-decoration:underline;text-underline-offset:3px}

/* Footer */
.site-footer{padding:20px 0 16px;background:#fff;border-top:1px solid var(--line);font-size:15px}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap}
.footer-top img{width:110px;margin-bottom:4px}
.footer-top p{margin:0;color:var(--muted)}
.footer-nav{display:flex;gap:4px 24px;flex-wrap:wrap}
.footer-nav a{color:var(--ink);font-weight:500}
.footer-nav a:hover{color:var(--red)}
.footer-bottom{margin-top:12px;padding-top:10px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.whatsapp-float{position:fixed;z-index:90;right:18px;bottom:18px;padding:11px 18px;border-radius:999px;background:#0f7a42;color:#fff;font-size:14.5px;font-weight:600;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.whatsapp-float:hover{background:#0b6638}
.notfound{text-align:center;padding-block:clamp(48px,8vw,90px)}
.notfound .button-row{justify-content:center}

/* Responsive */
@media(max-width:1020px){
 .menu-btn{display:block}
 #site-nav{display:none;position:absolute;top:100%;left:0;right:0;padding:8px var(--gutter) 16px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 24px rgba(20,40,74,.1)}
 #site-nav.open{display:block}
 #site-nav ul{flex-direction:column;gap:0}
 #site-nav a{padding:13px 4px;border-bottom:1px solid var(--line);font-size:16.5px}
 .hero .container,.contact-band .container{grid-template-columns:1fr}
 .hero figure{padding-top:0}
}
@media(max-width:860px){.svc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.steps,.cols3,.rows{grid-template-columns:1fr}.cols3>div{border-bottom:1px solid var(--line)}}
@media(max-width:640px){body{font-size:16px}.topline span{display:none}.topline .container{justify-content:center}.svc-grid{grid-template-columns:1fr}.button-row .btn{flex:1 1 100%}.site-footer{padding-bottom:88px}.whatsapp-float{right:12px;bottom:12px;padding:10px 15px;font-size:13.5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}