/* =========================================================
   LCATO — Saudi Restructuring & Decision Advisory
   Design System v1.0  ·  Inspired by Airbus
   ========================================================= */

/* ---------- 1 · DESIGN TOKENS ------------------------ */
:root{
  /* Brand colors */
  --c-navy:       #0D1F3C;   /* primary deep navy from logo icon */
  --c-navy-700:   #15294D;
  --c-navy-500:   #2A4878;
  --c-ink:        #1F2937;   /* primary text */
  --c-ink-2:      #4B5563;
  --c-muted:      #6B7280;
  --c-line:       #E5E7EB;
  --c-bone:       #F8F6F0;   /* page background */
  --c-bone-2:     #EFEBE0;
  --c-white:      #FFFFFF;
  --c-gold:       #C8A35C;   /* sandstone gold accent */
  --c-gold-dark:  #A88341;
  --c-coral:      #B85542;   /* alert/important */

  /* Typography */
  --f-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --f-arabic: 'IBM Plex Sans Arabic', 'Inter', system-ui, sans-serif;
  --f-display: 'Inter', sans-serif;

  /* Scale (perfect fourth) */
  --t-xs: .75rem;
  --t-sm: .875rem;
  --t-base: 1rem;
  --t-lg: 1.125rem;
  --t-xl: 1.25rem;
  --t-2xl: 1.5rem;
  --t-3xl: 1.875rem;
  --t-4xl: 2.5rem;
  --t-5xl: 3.5rem;
  --t-6xl: 4.75rem;

  /* Spacing */
  --s-1: .5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2rem;
  --s-5: 3rem;
  --s-6: 4rem;
  --s-7: 6rem;
  --s-8: 8rem;

  /* Layout */
  --container: 1240px;
  --container-narrow: 920px;
  --nav-h: 76px;
  --radius: 4px;
  --radius-lg: 12px;

  /* Motion */
  --ease: cubic-bezier(.22,1,.36,1);
  --dur-1: .3s;
  --dur-2: .6s;
  --dur-3: 1.1s;
}

/* ---------- 2 · BASE ---------------------------------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family: var(--f-sans);
  font-size: var(--t-base);
  line-height: 1.6;
  color: var(--c-ink);
  background: var(--c-bone);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

[lang="ar"], html[dir="rtl"] body{ font-family: var(--f-arabic); }

a{ color:inherit; text-decoration:none; }
img,svg{ display:block; max-width:100%; height:auto; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }

/* ---------- 3 · LAYOUT -------------------------------- */
.container{
  width:100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-3);
}
.container-narrow{
  width:100%; max-width: var(--container-narrow);
  margin:0 auto; padding: 0 var(--s-3);
}
section{ padding: var(--s-8) 0; position:relative; }
@media (max-width:768px){ section{ padding: var(--s-6) 0; } }

/* ---------- 4 · TYPOGRAPHY --------------------------- */
.eyebrow{
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--c-gold-dark);
  font-weight: 600;
  margin-bottom: var(--s-2);
  display: inline-block;
}
h1,h2,h3,h4,h5{
  font-family: var(--f-display);
  font-weight: 600;
  color: var(--c-ink);
  letter-spacing: -.02em;
  line-height: 1.15;
}
[lang="ar"] h1, [lang="ar"] h2, [lang="ar"] h3, [lang="ar"] h4, [lang="ar"] h5{
  font-family: var(--f-arabic);
  letter-spacing: 0;
  line-height: 1.4;
  font-weight: 700;
}
.h-display{
  font-size: clamp(2.5rem, 5.5vw, var(--t-6xl));
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.05;
}
h1{ font-size: clamp(2.25rem, 4.5vw, var(--t-5xl)); }
h2{ font-size: clamp(1.875rem, 3.5vw, var(--t-4xl)); }
h3{ font-size: var(--t-2xl); }
h4{ font-size: var(--t-xl); }
.lead{
  font-size: var(--t-lg);
  color: var(--c-ink-2);
  line-height: 1.65;
  max-width: 60ch;
}
p{ color: var(--c-ink-2); }

/* ---------- 5 · BUTTONS ------------------------------ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding: .85rem 1.5rem;
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: .01em;
  border-radius: var(--radius);
  transition: all var(--dur-1) var(--ease);
  cursor:pointer;
  border: 1px solid transparent;
}
.btn-primary{
  background: var(--c-navy);
  color: var(--c-white);
}
.btn-primary:hover{ background: var(--c-navy-700); transform: translateY(-1px); }
.btn-ghost{
  background: transparent;
  color: var(--c-navy);
  border-color: var(--c-navy);
}
.btn-ghost:hover{ background: var(--c-navy); color: var(--c-white); }
.btn-gold{
  background: var(--c-gold);
  color: var(--c-navy);
}
.btn-gold:hover{ background: var(--c-gold-dark); color: var(--c-white); }
.btn .arrow{ transition: transform var(--dur-1) var(--ease); }
.btn:hover .arrow{ transform: translateX(4px); }
html[dir="rtl"] .btn:hover .arrow{ transform: translateX(-4px) rotate(180deg); }
html[dir="rtl"] .btn .arrow{ transform: rotate(180deg); }

/* ---------- 6 · NAV ---------------------------------- */
.nav{
  position: fixed;
  top:0; left:0; right:0;
  height: var(--nav-h);
  background: rgba(248,246,240,.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: all var(--dur-1) var(--ease);
}
.nav.scrolled{ border-bottom-color: var(--c-line); }
.nav-inner{
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-3);
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: var(--s-3);
}
.nav-brand{
  display:flex; align-items:center;
  flex-shrink: 0;
}
.nav-brand img{
  height: 42px;
  width: auto;
  display: block;
  max-width: 200px;
}
@media (max-width: 640px){
  .nav-brand img{ height: 32px; max-width: 150px; }
}
.nav-menu{
  display:flex;
  align-items:center;
  gap: var(--s-3);
  list-style: none;
  flex-wrap: nowrap;
}
.nav-menu li{ flex-shrink: 0; }
.nav-menu a{
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--c-ink-2);
  position: relative;
  transition: color var(--dur-1) var(--ease);
  white-space: nowrap;
}
.nav-menu a:hover{ color: var(--c-navy); }
.nav-menu a::after{
  content:'';
  position:absolute;
  bottom: -6px; left:0;
  width:0; height:2px;
  background: var(--c-gold);
  transition: width var(--dur-1) var(--ease);
}
.nav-menu a:hover::after{ width:100%; }
.nav-cta{ display:flex; align-items:center; gap: var(--s-2); flex-shrink: 0; }
.nav-cta .btn{ white-space: nowrap; }

/* Join Experts — distinct outlined CTA, separated from main client nav */
.btn-join{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .6rem 1.1rem;
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--c-gold-dark);
  background: transparent;
  border: 1.5px solid var(--c-gold);
  border-radius: var(--radius);
  white-space: nowrap;
  transition: all var(--dur-1) var(--ease);
}
.btn-join:hover{
  background: var(--c-gold);
  color: var(--c-white);
  transform: translateY(-1px);
}
.btn-join::before{
  content: '✦';
  font-size: 0.85em;
  opacity: 0.7;
}
.lang-toggle{
  font-size: var(--t-xs);
  font-weight: 600;
  color: var(--c-navy);
  padding: .5rem .8rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  letter-spacing: .08em;
  background: var(--c-white);
  transition: all var(--dur-1) var(--ease);
}
.lang-toggle:hover{ background: var(--c-navy); color: var(--c-white); border-color: var(--c-navy); }

.nav-toggle{ display:none; }

/* Tighten spacing at narrower desktop widths */
@media (max-width: 1180px){
  .nav-menu{ gap: var(--s-2); }
  .nav-menu a{ font-size: var(--t-xs); }
  .nav-brand img{ height: 36px; max-width: 170px; }
  .nav-cta .btn{ padding: .7rem 1rem; font-size: var(--t-xs); }
  .btn-join{ padding: .5rem .9rem; font-size: var(--t-xs); }
}

@media (max-width: 1024px){
  .nav-menu{ display:none; }
  .nav-toggle{
    display:flex; flex-direction:column; gap:5px;
    background:none; border:none; padding:8px;
  }
  .nav-toggle span{ width:24px; height:2px; background: var(--c-navy); display:block; }
}

/* ---------- 7 · HERO --------------------------------- */
.hero{
  position: relative;
  min-height: 92vh;
  display:flex;
  align-items:center;
  background: var(--c-navy);
  color: var(--c-white);
  overflow:hidden;
  padding-top: calc(var(--nav-h) + var(--s-6));
  padding-bottom: var(--s-7);
}
.hero::before{
  content:'';
  position: absolute;
  inset:0;
  background:
    radial-gradient(ellipse at 20% 110%, rgba(200,163,92,.18) 0%, transparent 50%),
    radial-gradient(ellipse at 80% -10%, rgba(42,72,120,.6) 0%, transparent 50%);
  pointer-events: none;
}
.hero::after{
  content:'';
  position: absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  opacity: .8;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}
.hero-inner{ position:relative; z-index:2; }
.hero h1, .hero .h-display{ color: var(--c-white); }
.hero .eyebrow{ color: var(--c-gold); }
.hero .lead{ color: rgba(255,255,255,.78); margin-top: var(--s-3); }
.hero-actions{
  margin-top: var(--s-5);
  display:flex; gap: var(--s-2); flex-wrap:wrap;
}
.hero-actions .btn-primary{ background: var(--c-white); color: var(--c-navy); }
.hero-actions .btn-primary:hover{ background: var(--c-gold); }
.hero-actions .btn-ghost{ color: var(--c-white); border-color: rgba(255,255,255,.3); }
.hero-actions .btn-ghost:hover{ background: var(--c-white); color: var(--c-navy); }

.hero-meta{
  margin-top: var(--s-7);
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: var(--s-4);
  max-width: 720px;
}
.hero-meta-item .num{
  font-size: var(--t-3xl);
  font-weight: 700;
  color: var(--c-gold);
  display:block;
  line-height: 1;
}
.hero-meta-item .lbl{
  font-size: var(--t-xs);
  color: rgba(255,255,255,.65);
  margin-top: .4rem;
  text-transform: uppercase;
  letter-spacing: .1em;
}
@media (max-width:680px){
  .hero-meta{ grid-template-columns: 1fr; gap: var(--s-3); }
}

/* ---------- 8 · PAIN SECTION ------------------------- */
.pain{ background: var(--c-bone); }
.pain-quote{
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.4;
  color: var(--c-ink);
  max-width: 880px;
  margin: var(--s-4) 0;
  position: relative;
  padding-left: var(--s-4);
  border-left: 3px solid var(--c-gold);
}
html[dir="rtl"] .pain-quote{
  padding-left:0; padding-right: var(--s-4);
  border-left:none; border-right: 3px solid var(--c-gold);
}
.pain-quote cite{
  display:block;
  font-style: normal;
  font-size: var(--t-sm);
  color: var(--c-muted);
  margin-top: var(--s-2);
  letter-spacing: .04em;
}

/* ---------- 9 · TRACKS GRID -------------------------- */
.tracks{ background: var(--c-white); position:relative; }
.tracks-header{ text-align:center; max-width: 720px; margin: 0 auto var(--s-6); }
.tracks-header .lead{ margin: var(--s-3) auto 0; }
.tracks-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-3);
}
@media (max-width:768px){
  .tracks-grid{ grid-template-columns: 1fr; }
}
.track{
  background: var(--c-bone);
  padding: var(--s-5);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  transition: all var(--dur-1) var(--ease);
  position:relative;
  overflow:hidden;
}
.track:hover{
  border-color: var(--c-navy);
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -20px rgba(13,31,60,.18);
}
.track-num{
  font-size: var(--t-xs);
  font-weight: 700;
  color: var(--c-gold-dark);
  letter-spacing: .2em;
  margin-bottom: var(--s-2);
  display: inline-block;
}
.track h3{ margin-bottom: var(--s-2); }
.track p{ color: var(--c-ink-2); margin-bottom: var(--s-3); }
.track-pain{
  font-size: var(--t-sm);
  color: var(--c-muted);
  border-top: 1px dashed var(--c-line);
  padding-top: var(--s-2);
  font-style: italic;
}

/* ---------- 10 · CEO SECTION ------------------------- */
.ceo{
  background: var(--c-navy);
  color: var(--c-white);
  position:relative;
  overflow: hidden;
}
.ceo::before{
  content:'';
  position:absolute; inset:0;
  background: radial-gradient(ellipse at 30% 50%, rgba(200,163,92,.12), transparent 60%);
}
.ceo-grid{
  display:grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--s-7);
  align-items:center;
  position:relative; z-index:2;
}
@media (max-width:960px){
  .ceo-grid{ grid-template-columns: 1fr; gap: var(--s-5); }
}
.ceo-portrait{
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,.5);
}
.ceo-portrait img{ width:100%; display:block; }
.ceo-portrait::after{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(180deg, transparent 60%, rgba(13,31,60,.4) 100%);
  pointer-events:none;
}
.ceo-content .eyebrow{ color: var(--c-gold); }
.ceo-content h2{ color: var(--c-white); margin-bottom: var(--s-3); }
.ceo-content .quote{
  font-size: var(--t-lg);
  line-height: 1.7;
  color: rgba(255,255,255,.85);
  margin-bottom: var(--s-3);
}
.ceo-content .quote-emphasis{
  font-size: var(--t-2xl);
  font-weight: 500;
  color: var(--c-white);
  margin: var(--s-3) 0;
  line-height: 1.4;
  border-left: 3px solid var(--c-gold);
  padding-left: var(--s-3);
}
html[dir="rtl"] .ceo-content .quote-emphasis{
  border-left:none; padding-left:0;
  border-right: 3px solid var(--c-gold);
  padding-right: var(--s-3);
}
.ceo-sig{
  margin-top: var(--s-4);
  padding-top: var(--s-3);
  border-top: 1px solid rgba(255,255,255,.15);
}
.ceo-sig .name{ font-weight: 600; color: var(--c-white); }
.ceo-sig .role{
  font-size: var(--t-sm);
  color: var(--c-gold);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-top: .2rem;
}

/* ---------- 11 · PROCESS ----------------------------- */
.process{ background: var(--c-bone); }
.process-header{ text-align:center; max-width: 720px; margin: 0 auto var(--s-6); }
.process-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-3);
  position: relative;
}
@media (max-width:880px){
  .process-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width:480px){
  .process-grid{ grid-template-columns: 1fr; }
}
.step{
  background: var(--c-white);
  padding: var(--s-4);
  border-radius: var(--radius-lg);
  position: relative;
  border: 1px solid var(--c-line);
}
.step-num{
  font-size: var(--t-3xl);
  font-weight: 700;
  color: var(--c-gold);
  line-height: 1;
  margin-bottom: var(--s-2);
}
.step h4{ margin-bottom: .5rem; font-size: var(--t-lg); }
.step p{ font-size: var(--t-sm); color: var(--c-muted); }

/* ---------- 12 · NUMBERS ----------------------------- */
.numbers{ background: var(--c-white); border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.numbers-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-4);
  text-align: center;
}
@media (max-width:768px){ .numbers-grid{ grid-template-columns: repeat(2, 1fr); } }
.kpi .num{
  font-size: clamp(2.5rem, 5vw, var(--t-5xl));
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1;
  letter-spacing: -.02em;
}
.kpi .lbl{
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--c-muted);
  margin-top: .5rem;
}

/* ---------- 13 · CTA --------------------------------- */
.cta{
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-700) 100%);
  color: var(--c-white);
  text-align: center;
}
.cta h2{ color: var(--c-white); max-width: 720px; margin: 0 auto var(--s-3); }
.cta p{ color: rgba(255,255,255,.8); max-width: 560px; margin: 0 auto var(--s-4); }

/* ---------- 14 · FOOTER ------------------------------ */
.footer{
  background: var(--c-ink);
  color: rgba(255,255,255,.7);
  padding: var(--s-6) 0 var(--s-3);
}
.footer-grid{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--s-4);
  margin-bottom: var(--s-5);
}
@media (max-width:768px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width:480px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-brand img{
  height: 48px;
  width: auto;
  max-width: 220px;
  margin-bottom: var(--s-3);
  display: block;
}
.footer-brand p{ color: rgba(255,255,255,.55); font-size: var(--t-sm); }
.footer h5{
  color: var(--c-white);
  font-size: var(--t-sm);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: var(--s-2);
  font-weight: 600;
}
.footer-links{ list-style:none; }
.footer-links li{ margin-bottom: .5rem; }
.footer-links a{
  font-size: var(--t-sm);
  color: rgba(255,255,255,.6);
  transition: color var(--dur-1) var(--ease);
}
.footer-links a:hover{ color: var(--c-gold); }
.footer-bottom{
  padding-top: var(--s-3);
  border-top: 1px solid rgba(255,255,255,.1);
  display:flex;
  justify-content: space-between;
  align-items:center;
  flex-wrap: wrap;
  gap: var(--s-2);
  font-size: var(--t-xs);
  color: rgba(255,255,255,.5);
  letter-spacing: .05em;
}

/* ---------- 15 · ANIMATIONS -------------------------- */
/* Default state: visible. JS adds .js-anim to <html> to opt into animation */
.reveal{ opacity: 1; transform: none; transition: opacity var(--dur-3) var(--ease), transform var(--dur-3) var(--ease); }
html.js-anim .reveal{ opacity: 0; transform: translateY(24px); }
html.js-anim .reveal.in{ opacity: 1; transform: translateY(0); }
.reveal.d1{ transition-delay: .08s; }
.reveal.d2{ transition-delay: .16s; }
.reveal.d3{ transition-delay: .24s; }
.reveal.d4{ transition-delay: .32s; }

/* ---------- 16 · UTILITIES --------------------------- */
.text-center{ text-align:center; }
.text-gold{ color: var(--c-gold); }
.text-navy{ color: var(--c-navy); }
.bg-navy{ background: var(--c-navy); }
.divider{
  width: 60px; height: 2px;
  background: var(--c-gold);
  margin: var(--s-2) 0;
}
[lang="ar"] .divider, html[dir="rtl"] .divider{ margin-right: 0; }