/* ==========================================================================
   Shivoraai — Oman E-Invoicing Solutions
   Shared design system
   ========================================================================== */

:root{
  --ink:#17233a; --ink-soft:#3c4a63; --ink-faint:#6b7688;
  --surface:#faf7f1; --surface-raised:#ffffff; --surface-sunk:#f1ece1;
  --accent:#a8762a; --accent-ink:#ffffff; --accent-soft:#f1e2c6;
  --teal:#2c6a5c; --teal-soft:#dcece7;
  --line:rgba(23,35,58,0.14);
  --good:#2c6a5c; --warn:#a8762a; --bad:#a4432f;
  --shadow:0 24px 55px -30px rgba(23,35,58,0.4);
  --radius:14px;
  --maxw:1160px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--surface); color:var(--ink);
  font-family:"IBM Plex Sans",system-ui,-apple-system,sans-serif;
  font-size:15.5px; line-height:1.65; -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Fraunces",Georgia,serif; font-weight:600; text-wrap:balance; margin:0 0 .5em; color:var(--ink)}
h1{font-size:clamp(32px,4.6vw,52px); line-height:1.08; letter-spacing:-.01em}
h2{font-size:clamp(24px,3.2vw,34px); line-height:1.15}
h3{font-size:19px}
p{margin:0 0 1em}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
.mono{font-family:"IBM Plex Mono",monospace; font-variant-numeric:tabular-nums}
.muted{color:var(--ink-faint)}
.wrap{max-width:var(--maxw); margin-inline:auto; padding-inline:24px}
.eyebrow{
  font-family:"IBM Plex Mono",monospace; font-size:11.5px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--accent); font-weight:500; display:block; margin-bottom:10px;
}
.hr{height:1px; background:var(--line); border:0; margin:0}
.balance{text-wrap:balance}

/* ---- buttons ---- */
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:13px 24px; border-radius:9px;
  font-weight:600; font-size:14.5px; border:1px solid transparent; cursor:pointer; white-space:nowrap;
}
.btn-primary{background:var(--accent); color:var(--accent-ink)}
.btn-primary:hover{background:#96692a}
.btn-ghost{border-color:var(--line); color:var(--ink); background:transparent}
.btn-ghost:hover{border-color:var(--accent)}
.btn-lg{padding:15px 28px; font-size:15.5px}
.btn-row{display:flex; flex-wrap:wrap; gap:12px}

/* ---- header / nav ---- */
header.site{
  position:sticky; top:0; z-index:40; background:color-mix(in oklab, var(--surface) 90%, transparent);
  backdrop-filter:blur(10px); border-bottom:1px solid var(--line);
}
.header-row{display:flex; align-items:center; justify-content:space-between; gap:20px; padding-block:14px; max-width:var(--maxw); margin-inline:auto; padding-inline:24px}
.wordmark{font-family:"Fraunces",serif; font-weight:600; font-size:19px; display:flex; align-items:baseline; gap:7px; white-space:nowrap}
.wordmark .dot{color:var(--accent)}
.wordmark small{font-family:"IBM Plex Sans",sans-serif; font-weight:500; font-size:10.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint); margin-left:2px}
nav.primary{display:none; align-items:center; justify-content:center; gap:13px; font-size:12.2px; font-weight:500; flex-wrap:wrap; max-width:var(--maxw); margin-inline:auto; padding:0 24px 13px; border-top:1px solid var(--line); padding-top:11px}
nav.primary a{color:var(--ink-soft); white-space:nowrap}
nav.primary a:hover, nav.primary a.active{color:var(--accent)}
.header-cta{display:flex; align-items:center; gap:10px}
.header-cta .btn{padding:10px 16px; font-size:13.5px}
.burger{display:inline-flex; border:1px solid var(--line); border-radius:8px; padding:8px; background:none; cursor:pointer}
@media (min-width:980px){ nav.primary{display:flex} .burger{display:none} }

#mobile-menu{display:none; border-top:1px solid var(--line); padding:14px 24px 20px; flex-direction:column; gap:14px; font-size:14.5px}
#mobile-menu.open{display:flex}
#mobile-menu a{padding:6px 0; color:var(--ink-soft)}
@media (min-width:980px){ #mobile-menu{display:none !important} }

/* ---- hero ---- */
.hero{padding-block:60px 40px}
.hero-grid{display:grid; grid-template-columns:1.05fr 1fr; gap:56px; align-items:center}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr}}
.hero .lede{font-size:17.5px; color:var(--ink-soft); max-width:48ch; margin-top:16px}
.badge-row{display:flex; flex-wrap:wrap; gap:9px 22px; margin-top:30px}
.badge{display:flex; align-items:center; gap:7px; font-size:13px; color:var(--ink-soft)}
.badge svg{flex:none; color:var(--teal)}

.page-hero{padding-block:52px 36px; border-bottom:1px solid var(--line)}
.page-hero .lede{font-size:16.5px; color:var(--ink-soft); max-width:62ch; margin-top:12px}

/* ---- sections ---- */
section{padding-block:60px}
section.tight{padding-block:40px}
section.alt{background:var(--surface-sunk)}
.section-head{max-width:680px; margin-bottom:34px}
.grid{display:grid; gap:20px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:880px){.grid-3{grid-template-columns:1fr 1fr} .grid-4{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{background:var(--surface-raised); border:1px solid var(--line); border-radius:var(--radius); padding:26px}
.card h3{margin-bottom:8px}
.card p{font-size:14px; color:var(--ink-soft); margin:0}

/* ---- diagram card (svg) ---- */
.diagram-card{background:var(--surface-raised); border:1px solid var(--line); border-radius:18px; padding:22px 18px 16px; box-shadow:var(--shadow)}
.diagram-cap{display:flex; justify-content:space-between; align-items:baseline; margin-bottom:6px}
.diagram-cap span.mono{font-size:11px; color:var(--ink-faint)}

/* ---- phase strip ---- */
.phase-strip{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:14px; overflow:hidden}
@media (max-width:820px){.phase-strip{grid-template-columns:1fr 1fr}}
.phase{background:var(--surface-raised); padding:20px 18px; display:flex; flex-direction:column; gap:6px}
.phase .num{font-family:"IBM Plex Mono",monospace; font-size:12px; color:var(--accent)}
.phase .when{font-weight:600; font-size:15px}
.phase .who{font-size:12.5px; color:var(--ink-faint)}
.phase.current{background:var(--accent-soft)}

/* ---- numbered steps ---- */
.steps{display:grid; grid-template-columns:repeat(4,1fr); gap:20px}
@media (max-width:880px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.step .num{font-family:"Fraunces",serif; font-size:32px; -webkit-text-stroke:1.3px var(--accent); color:transparent; line-height:1}
.step h3{font-size:16px; margin-top:9px}
.step p{font-size:13.5px; color:var(--ink-faint); margin-top:5px}

.journey{display:flex; flex-direction:column; gap:0; border-left:2px solid var(--line); margin-left:8px}
.journey li{list-style:none; position:relative; padding:0 0 26px 28px}
.journey li::before{content:attr(data-n); position:absolute; left:-13px; top:-2px; width:24px; height:24px; border-radius:50%; background:var(--accent); color:var(--accent-ink); font-family:"IBM Plex Mono",monospace; font-size:11px; display:flex; align-items:center; justify-content:center}
.journey li h4{margin:0 0 4px; font-size:15.5px; font-family:"Fraunces",serif; font-weight:600}
.journey li p{margin:0; font-size:13.5px; color:var(--ink-soft)}

/* ---- chip row ---- */
.chip-row{display:flex; flex-wrap:wrap; gap:10px}
.chip{border:1px solid var(--line); border-radius:999px; padding:9px 16px; font-size:13px; font-weight:500; background:var(--surface-raised)}

/* ---- check list ---- */
.check-grid{display:grid; grid-template-columns:1fr 1fr; gap:10px 28px}
@media (max-width:640px){.check-grid{grid-template-columns:1fr}}
.check-item{display:flex; gap:10px; align-items:flex-start; font-size:14px; padding-block:5px}
.check-item svg{flex:none; margin-top:2px; color:var(--teal)}
.note-box{margin-top:22px; padding:16px 18px; border-left:3px solid var(--accent); background:var(--surface-sunk); border-radius:0 10px 10px 0; font-size:13.5px; color:var(--ink-soft)}

/* ---- pricing ---- */
.price-card{display:flex; flex-direction:column; gap:14px}
.price-card.feature{border-color:var(--accent); box-shadow:var(--shadow)}
.price-name{font-size:12.5px; font-weight:600; color:var(--ink-faint); text-transform:uppercase; letter-spacing:.04em}
.price-num{font-family:"IBM Plex Mono",monospace; font-size:26px; font-weight:500}
.price-num small{font-size:13px; color:var(--ink-faint); font-weight:400}
.price-list{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:8px; font-size:13.5px; color:var(--ink-soft)}
.price-list li{display:flex; gap:8px; align-items:flex-start}
.price-list svg{flex:none; margin-top:3px; color:var(--good)}
.price-disclaimer{font-size:12px; color:var(--ink-faint); margin-top:24px; max-width:74ch}

/* ---- table ---- */
table{width:100%; border-collapse:collapse; font-size:13.8px}
th,td{text-align:left; padding:11px 14px; border-bottom:1px solid var(--line); vertical-align:top}
th{font-size:11.5px; text-transform:uppercase; letter-spacing:.05em; color:var(--ink-faint); font-weight:600}
.table-wrap{overflow-x:auto; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface-raised)}
.table-wrap table{margin:0}
.table-wrap tr:last-child td{border-bottom:0}

/* ---- responsibility chips ---- */
.resp-row{display:grid; grid-template-columns:repeat(4,1fr); gap:12px}
@media (max-width:820px){.resp-row{grid-template-columns:1fr 1fr}}
.resp-item{padding:18px; border-radius:12px; background:var(--surface-sunk)}
.resp-item .who{font-size:11.5px; text-transform:uppercase; letter-spacing:.06em; color:var(--accent); font-weight:600}
.resp-item p{font-size:13px; color:var(--ink-soft); margin:8px 0 0}

/* ---- FAQ ---- */
.faq-item{border-bottom:1px solid var(--line); padding-block:18px}
.faq-item summary{cursor:pointer; font-weight:600; font-size:15px; list-style:none; display:flex; justify-content:space-between; align-items:center; gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .ic{transition:transform .18s ease; flex:none; color:var(--accent)}
.faq-item[open] summary .ic{transform:rotate(45deg)}
.faq-item p{margin-top:10px; font-size:14px; color:var(--ink-soft); max-width:70ch}

/* ---- final CTA band ---- */
.final{background:var(--ink); color:var(--surface); border-radius:20px; padding:48px 36px; display:flex; flex-wrap:wrap; gap:28px; align-items:center; justify-content:space-between}
.final h2{color:var(--surface); max-width:440px}
.final .lede{color:color-mix(in oklab, var(--surface) 72%, transparent); max-width:400px; font-size:14.5px; margin-top:8px}
.final .btn-ghost{border-color:color-mix(in oklab, var(--surface) 30%, transparent); color:var(--surface)}

/* ---- form ---- */
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:16px}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}}
.field{display:flex; flex-direction:column; gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:12.5px; font-weight:600; color:var(--ink-soft)}
.field input, .field select, .field textarea{
  font:inherit; padding:11px 13px; border-radius:8px; border:1px solid var(--line); background:var(--surface-raised); color:var(--ink);
}
.field textarea{resize:vertical; min-height:90px}
.form-note{font-size:12px; color:var(--ink-faint); margin-top:14px}

/* ---- footer ---- */
footer.site{padding-block:44px; border-top:1px solid var(--line); font-size:12.5px; color:var(--ink-faint); margin-top:40px}
.foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:28px}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-grid h4{font-size:11.5px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-soft); margin-bottom:10px}
.foot-grid a{display:block; padding-block:4px; color:var(--ink-faint)}
.foot-grid a:hover{color:var(--accent)}
.foot-bottom{display:flex; flex-wrap:wrap; gap:10px 24px; justify-content:space-between; align-items:flex-start; margin-top:34px; padding-top:22px; border-top:1px solid var(--line)}
.foot-disclaimer{max-width:64ch}

/* ---- misc ---- */
.two-col{display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:start}
@media (max-width:820px){.two-col{grid-template-columns:1fr}}