/* =========================================================
   Valtara Advisory — Design System
   Palette and type follow the official Valtara brand book
   (Navy #0B2D5C / Gray #6B7280 / Light Gray #E5E7EB / Text
   #1F2937 / White — Montserrat + IBM Plex Sans Arabic).
   Concept: "The Ledger" — the brand's promise of clarity,
   control and confidence, expressed through hairline rules,
   clause-style reference marks, tabular numerals, and a
   balance-beam signature mark that settles level on load.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Sans+Arabic:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* -- color tokens (Valtara brand book) -- */
  --ink:        #1F2937;   /* Text */
  --ink-soft:   #6B7280;   /* Secondary / Gray */
  --navy:       #0B2D5C;   /* Primary / Navy Blue */
  --navy-deep:  #082347;   /* pressed / hover-on-light state */
  --navy-soft:  #14396F;   /* hover state on dark navy surfaces */
  --navy-tint:  #E9EDF4;   /* light navy tint for hover surfaces */
  --paper:      #FFFFFF;   /* White */
  --paper-alt:  #E5E7EB;   /* Light Gray */
  --white:      #FFFFFF;
  --slate:      #93A0B4;   /* muted accent for marks on navy bg */
  --slate-light:#C7CFDB;   /* lighter accent on navy bg */
  --line:       rgba(31,41,55,0.14);
  --line-soft:  rgba(31,41,55,0.08);
  --line-on-navy: rgba(255,255,255,0.16);

  /* -- type (brand book: Montserrat + Aptos for EN, IBM Plex Sans
     Arabic + GE SS Two for AR). Aptos and GE SS Two are not
     available as web fonts, so headings use Montserrat / IBM Plex
     Sans Arabic exactly as specified, with Inter standing in for
     Aptos as the closest open, neutral body face. -- */
  --font-display: 'Montserrat', 'IBM Plex Sans Arabic', sans-serif;
  --font-body:    'Inter', 'IBM Plex Sans Arabic', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --container: 1120px;
}

html[lang="ar"]{
  --font-display: 'IBM Plex Sans Arabic', 'Montserrat', sans-serif;
  --font-body:    'IBM Plex Sans Arabic', 'Inter', sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0; font-weight:600; letter-spacing:-0.01em; }
p{ margin:0; }
button{ font-family:inherit; }

.container{ max-width:var(--container); margin-inline:auto; padding-inline:24px; }

/* numerals stay tabular/Latin even inside Arabic copy for ledger consistency */
.tab-num{ font-family:var(--font-mono); font-variant-numeric:tabular-nums; direction:ltr; unicode-bidi:isolate; }

/* -----------------------------------------------------------
   Ledger motif: eyebrow with clause-style reference mark
   ----------------------------------------------------------- */
.eyebrow{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.04em;
  color:var(--navy-deep);
  margin-block-end:18px;
}
.eyebrow .ref{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:30px;
  padding:3px 6px;
  border:1px solid var(--navy);
  border-radius:2px;
  color:var(--navy-deep);
  font-size:12px;
}
.eyebrow.on-navy{ color:var(--slate-light); }
.eyebrow.on-navy .ref{ border-color:var(--slate); color:var(--slate-light); }

.rule{ border:none; border-block-start:1px solid var(--line); margin:0; }
.rule.on-navy{ border-block-start-color:var(--line-on-navy); }

/* -----------------------------------------------------------
   Header / Nav
   ----------------------------------------------------------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(236,239,230,0.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-block-end:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding-block:18px;
}
.brand{
  display:flex; align-items:center; gap:9px;
  font-family:var(--font-display); font-weight:700; font-size:19px; color:var(--ink);
  letter-spacing:0.01em;
}
.logo-mark{ color:var(--navy); flex-shrink:0; }
.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-size:14.5px; color:var(--ink-soft); position:relative; padding-block:4px;
}
.nav-links a::after{
  content:""; position:absolute; inset-inline-start:0; bottom:0; height:1px; width:0;
  background:var(--navy); transition:width .25s ease;
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{ width:100%; }
.nav-links a[aria-current="page"]{ color:var(--ink); }

.nav-right{ display:flex; align-items:center; gap:18px; }
.lang-switch{
  font-family:var(--font-mono); font-size:12.5px; color:var(--ink-soft);
  border:1px solid var(--line); border-radius:2px; padding:5px 9px;
}
.lang-switch:hover{ border-color:var(--navy); color:var(--navy-deep); }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-body); font-weight:600; font-size:14.5px;
  padding:11px 20px; border-radius:2px; border:1px solid transparent;
  cursor:pointer; transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--navy); color:var(--white); }
.btn-primary:hover{ background:var(--navy-deep); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn-ghost:hover{ border-color:var(--navy); color:var(--navy-deep); }
.btn-on-navy{ background:var(--slate); color:var(--navy); }
.btn-on-navy:hover{ background:var(--slate-light); }

.nav-toggle{ display:none; background:none; border:1px solid var(--line); border-radius:2px; padding:8px 10px; }
.nav-toggle span{ display:block; width:18px; height:2px; background:var(--ink); margin:4px 0; }

/* -----------------------------------------------------------
   Hero
   ----------------------------------------------------------- */
.hero{
  padding-block:88px 64px;
  position:relative;
}
.hero-grid{
  display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:center;
}
.hero h1{
  font-size:clamp(34px,4.6vw,54px);
  line-height:1.14;
  color:var(--ink);
  margin-block-end:22px;
}
.hero .lede{
  font-size:17.5px; color:var(--ink-soft); max-width:56ch; margin-block-end:32px;
}
.hero-cta{ display:flex; gap:14px; flex-wrap:wrap; }

.balance-wrap{ display:flex; align-items:center; justify-content:center; }
.balance-caption{
  text-align:center; margin-block-start:14px; font-family:var(--font-mono);
  font-size:12.5px; color:var(--ink-soft); letter-spacing:.02em;
}

/* balance-beam signature animation */
.beam-group{ transform-origin:210px 92px; animation:settle 1.6s cubic-bezier(.2,.8,.2,1) 1 both; }
.pan-l, .pan-r{ animation:sway 1.6s cubic-bezier(.2,.8,.2,1) 1 both; }
@keyframes settle{
  0%{ transform:rotate(-7deg); }
  60%{ transform:rotate(2deg); }
  100%{ transform:rotate(0deg); }
}
@keyframes sway{
  0%{ transform:translateY(-14px); }
  60%{ transform:translateY(4px); }
  100%{ transform:translateY(0); }
}
@media (prefers-reduced-motion: reduce){
  .beam-group,.pan-l,.pan-r{ animation:none; }
}

/* -----------------------------------------------------------
   Section shells
   ----------------------------------------------------------- */
section{ padding-block:72px; }
.section-head{ max-width:64ch; margin-block-end:44px; }
.section-head h2{ font-size:clamp(26px,3vw,36px); margin-block-end:14px; }
.section-head p{ color:var(--ink-soft); font-size:16px; }

.section-alt{ background:var(--paper-alt); }
.section-navy{ background:var(--navy); color:var(--white); }
.section-navy .section-head p{ color:rgba(255,255,255,0.72); }
.section-navy h2, .section-navy h3{ color:var(--white); }

/* -----------------------------------------------------------
   Problem list
   ----------------------------------------------------------- */
.problem-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.problem-item{ background:var(--paper); padding:26px 28px; display:flex; gap:16px; }
.problem-item .tab-num{ color:var(--slate); font-size:14px; padding-block-start:2px; }
.problem-item p{ color:var(--ink-soft); font-size:15px; }

/* -----------------------------------------------------------
   Service cards
   ----------------------------------------------------------- */
.card-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.card{ background:var(--white); padding:32px 28px; display:flex; flex-direction:column; gap:14px; transition:background .2s ease; }
.card:hover{ background:var(--navy-tint); }
.card .ref{ font-family:var(--font-mono); font-size:13px; color:var(--slate); }
.card h3{ font-size:19px; }
.card p{ color:var(--ink-soft); font-size:14.5px; flex:1; }
.card .card-link{ font-size:13.5px; font-weight:600; color:var(--navy-deep); display:inline-flex; align-items:center; gap:6px; }
.card .card-link .arrow{ transition:transform .2s ease; }
.card:hover .card-link .arrow{ transform:translateX(4px); }
html[dir="rtl"] .card:hover .card-link .arrow{ transform:translateX(-4px); }
.card-cta{ background:var(--navy); }
.card-cta .ref{ color:var(--slate-light); }
.card-cta h3, .card-cta p{ color:var(--white); }
.card-cta p{ opacity:0.72; }
.card-cta .card-link{ color:var(--slate-light); }
.card-cta:hover{ background:var(--navy-soft); }

/* -----------------------------------------------------------
   Clauses / process steps (ledger rows)
   ----------------------------------------------------------- */
.clause-list{ border-block-start:1px solid var(--line); }
.clause{
  display:grid; grid-template-columns:120px 1fr; gap:28px;
  padding-block:26px; border-block-end:1px solid var(--line);
  align-items:baseline;
}
.clause .ref{ font-family:var(--font-mono); font-size:14px; color:var(--navy-deep); }
.clause h3{ font-size:18px; margin-block-end:6px; }
.clause p{ color:var(--ink-soft); font-size:14.5px; max-width:60ch; }
.section-navy .clause{ border-block-end-color:var(--line-on-navy); }
.section-navy .clause .ref{ color:var(--slate-light); }
.section-navy .clause p{ color:rgba(255,255,255,0.72); }

/* -----------------------------------------------------------
   Pillars (Clarity / Control / Confidence)
   ----------------------------------------------------------- */
.pillar-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:40px; }
.pillar .tab-num{ display:block; font-size:13px; color:var(--slate-light); margin-block-end:10px; }
.pillar h3{ font-size:20px; margin-block-end:10px; }
.pillar p{ font-size:14.5px; color:var(--ink-soft); }
.section-navy .pillar p{ color:rgba(255,255,255,0.72); }

/* -----------------------------------------------------------
   CTA banner
   ----------------------------------------------------------- */
.cta-banner{
  background:var(--navy); color:var(--white);
  padding-block:56px; text-align:center;
}
.cta-banner h2{ color:var(--white); font-size:clamp(24px,3vw,32px); margin-block-end:22px; max-width:36ch; margin-inline:auto; }

/* -----------------------------------------------------------
   Services detail page
   ----------------------------------------------------------- */
.service-block{
  display:grid; grid-template-columns:200px 1fr; gap:40px;
  padding-block:44px; border-block-start:1px solid var(--line);
}
.service-block:last-child{ border-block-end:1px solid var(--line); }
.service-block .ref-col{ display:flex; flex-direction:column; gap:8px; }
.service-block .ref-col .ref{ font-family:var(--font-mono); font-size:15px; color:var(--slate); }
.service-block h3{ font-size:22px; margin-block-end:12px; }
.service-block .desc{ color:var(--ink-soft); margin-block-end:18px; max-width:62ch; }
.includes{ display:grid; grid-template-columns:repeat(2,1fr); gap:10px 24px; }
.includes li{ display:flex; gap:10px; font-size:14.5px; color:var(--ink-soft); }
.includes li::before{ content:"—"; color:var(--navy); flex-shrink:0; }

/* -----------------------------------------------------------
   About page
   ----------------------------------------------------------- */
.lede-block{ max-width:68ch; font-size:18px; color:var(--ink-soft); }
.value-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.value-item{ background:var(--white); padding:32px 28px; }
.value-item .tab-num{ color:var(--slate); font-size:13px; }
.value-item h3{ font-size:19px; margin-block:10px; }
.value-item p{ font-size:14.5px; color:var(--ink-soft); }
.audience-list{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); }
.audience-item{ background:var(--paper); padding:20px 24px; display:flex; gap:16px; align-items:baseline; }
.audience-item .ref{ font-family:var(--font-mono); font-size:13px; color:var(--navy-deep); }

/* -----------------------------------------------------------
   Contact page
   ----------------------------------------------------------- */
.contact-grid{ display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; }
.field{ display:flex; flex-direction:column; gap:8px; margin-block-end:20px; }
.field label{ font-size:13.5px; font-weight:600; color:var(--ink); }
.field .hint{ font-size:12px; color:var(--ink-soft); font-weight:400; }
.field input, .field select, .field textarea{
  font-family:var(--font-body); font-size:15px; padding:12px 14px;
  border:1px solid var(--line); border-radius:2px; background:var(--white); color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:2px solid var(--navy); outline-offset:1px; border-color:var(--navy);
}
.field textarea{ resize:vertical; min-height:120px; }
.form-note{ font-size:12.5px; color:var(--ink-soft); margin-block-start:14px; }
#form-status{ margin-block-start:16px; font-size:14.5px; }
#form-status[data-state="ok"]{ color:var(--navy-deep); }

.info-card{ background:var(--navy); color:var(--white); padding:34px; border-radius:2px; }
.info-card h3{ color:var(--white); font-size:16px; margin-block-end:22px; }
.info-row{ display:flex; justify-content:space-between; gap:16px; padding-block:14px; border-block-end:1px solid var(--line-on-navy); font-size:14.5px; }
.info-row:last-child{ border-block-end:none; }
.info-row .label{ color:rgba(255,255,255,0.6); }
.info-row .value{ text-align:end; }

/* -----------------------------------------------------------
   Footer
   ----------------------------------------------------------- */
.site-footer{ background:var(--navy); color:rgba(255,255,255,0.82); padding-block:56px 30px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; margin-block-end:40px; }
.footer-brand .brand{ color:var(--white); }
.footer-brand .logo-mark{ color:var(--white); }
.footer-brand p{ margin-block-start:14px; font-size:14px; color:rgba(255,255,255,0.6); max-width:38ch; }
.footer-col h4{ font-size:13px; letter-spacing:.04em; color:rgba(255,255,255,0.5); font-family:var(--font-mono); font-weight:500; margin-block-end:16px; }
.footer-col a, .footer-col p{ display:block; font-size:14.5px; margin-block-end:10px; color:rgba(255,255,255,0.82); }
.footer-col a:hover{ color:var(--slate-light); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-block-start:24px; border-block-start:1px solid var(--line-on-navy); font-size:13px; color:rgba(255,255,255,0.5); flex-wrap:wrap; gap:10px; }

/* -----------------------------------------------------------
   Responsive
   ----------------------------------------------------------- */
@media (max-width:920px){
  .hero-grid{ grid-template-columns:1fr; }
  .problem-grid, .card-grid, .value-grid, .pillar-grid, .footer-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .service-block{ grid-template-columns:1fr; gap:14px; }
  .includes{ grid-template-columns:1fr; }
  .nav-links{
    position:fixed; inset-inline:0; top:64px; background:var(--paper);
    flex-direction:column; align-items:flex-start; gap:0;
    border-block-end:1px solid var(--line);
    transform:translateY(-8px); opacity:0; pointer-events:none; transition:.2s ease;
  }
  .nav-links.open{ transform:translateY(0); opacity:1; pointer-events:auto; }
  .nav-links a{ width:100%; padding:16px 24px; border-block-end:1px solid var(--line-soft); }
  .nav-toggle{ display:block; }
  .nav-right .btn-primary{ display:none; }
}