/* Kuwait Fund — institutional-refined design system. Bilingual (RTL-aware via logical properties). */
:root{
  --navy:#0B4EA2; --navy-deep:#063073; --ink:#0A1F3C; --ink-soft:#33425c;
  --ivory:#F7F4EC; --paper:#FFFFFF; --gold:#B2863A; --gold-soft:#C9A662;
  --line:#DDD6C6; --line-ink:rgba(10,31,60,.12);
  --maxw:1200px; --gut:clamp(16px,4vw,48px);
  --f-disp:"Spectral",Georgia,serif;
  --f-ar-disp:"Amiri",serif;
  --f-body:"IBM Plex Sans Arabic","IBM Plex Sans",system-ui,sans-serif;
  --step--1:clamp(.78rem,.74rem + .2vw,.86rem);
  --step-0:clamp(1rem,.95rem + .25vw,1.12rem);
  --step-1:clamp(1.2rem,1.1rem + .5vw,1.45rem);
  --step-2:clamp(1.55rem,1.35rem + 1vw,2.1rem);
  --step-3:clamp(2.1rem,1.7rem + 2vw,3.2rem);
  --step-4:clamp(2.8rem,2.1rem + 3.4vw,5rem);
}
:root[dir="rtl"]{ --f-disp:var(--f-ar-disp); }
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:var(--f-body);
  font-size:var(--step-0);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3{font-family:var(--f-disp);font-weight:500;line-height:1.1;letter-spacing:-.01em;margin:0}
:root[dir="rtl"] h1,:root[dir="rtl"] h2,:root[dir="rtl"] h3{font-weight:700;letter-spacing:0;line-height:1.3}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.eyebrow{font-size:var(--step--1);text-transform:uppercase;letter-spacing:.18em;color:var(--gold);
  font-weight:600;display:inline-flex;align-items:center;gap:.6em}
:root[dir="rtl"] .eyebrow{letter-spacing:.06em}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold)}

/* ---- top utility bar ---- */
.util{background:var(--navy-deep);color:#dce7f6;font-size:var(--step--1)}
.util .wrap{display:flex;gap:1.5rem;align-items:center;min-height:40px}
.util a{opacity:.85;letter-spacing:.02em}
.util a:hover{opacity:1}
.util .spacer{margin-inline-start:auto}
.util .lang{font-weight:600;color:#fff;letter-spacing:.08em}

/* ---- header / nav ---- */
.site-head{position:sticky;top:0;z-index:50;background:transparent;border-bottom:1px solid transparent;
  transition:background .4s ease,border-color .4s ease}
.site-head.solid{background:rgba(247,244,236,.92);backdrop-filter:saturate(1.3) blur(10px);border-bottom-color:var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:2rem;min-height:76px}
.brand{display:flex;align-items:center;gap:.8rem;flex-shrink:0}
.brand img{height:46px;width:auto}
.brand .logo-blue{display:none}
.site-head.solid .logo-blue{display:block}
.site-head.solid .logo-white{display:none}
.nav{display:flex;gap:1.6rem;margin-inline-start:auto;align-items:center}
.nav a{font-size:.95rem;color:rgba(255,255,255,.82);font-weight:500;padding:.4rem 0;position:relative;transition:color .3s}
.site-head.solid .nav a{color:var(--ink-soft)}
.nav a:hover{color:#fff}
.site-head.solid .nav a:hover{color:var(--navy)}
.site-head .nav a.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.site-head .nav a.btn-ghost:hover{background:rgba(255,255,255,.12)}
.site-head.solid .nav a.btn-ghost{border-color:var(--navy);color:var(--navy)}
.site-head.solid .nav a.btn-ghost:hover{background:var(--navy);color:#fff}
.nav a::after{content:"";position:absolute;inset-inline:0;bottom:-2px;height:2px;background:var(--gold);
  transform:scaleX(0);transition:transform .25s}
.nav a:hover::after{transform:scaleX(1)}
.btn{display:inline-flex;align-items:center;gap:.5em;padding:.7rem 1.4rem;border-radius:2px;
  font-weight:600;font-size:.95rem;border:1px solid transparent;transition:.2s;cursor:pointer}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-deep)}
.btn-ghost{border-color:var(--navy);color:var(--navy)}
.btn-ghost:hover{background:var(--navy);color:#fff}
.menu-btn{display:none;background:none;border:0;font-size:1.5rem;color:var(--navy);cursor:pointer}

/* ---- hero: dark cinematic "reach" band ---- */
.hero{position:relative;overflow:clip;background:
  radial-gradient(120% 90% at 72% 18%, #0d3f86 0%, var(--navy-deep) 42%, #041f4e 100%);
  color:#eaf1fb;min-height:clamp(600px,92svh,920px);display:flex;flex-direction:column;justify-content:center}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1;opacity:.9}
.hero::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,rgba(4,25,60,.5) 100%),
  radial-gradient(90% 60% at 50% 40%,transparent 60%,rgba(4,25,60,.35) 100%)}
.hero .wrap{position:relative;z-index:3;padding-block:clamp(3rem,8vh,6rem);width:100%}
.hero-inner{max-width:44rem}
.hero .kicker{color:var(--gold-soft);font-size:var(--step--1);letter-spacing:.02em;margin-bottom:1.3rem;
  display:flex;align-items:center;gap:.7rem}
.hero .kicker::before{content:"";width:34px;height:1px;background:var(--gold-soft);opacity:.8}
.hero h1{font-size:clamp(2.9rem,2rem + 4.6vw,5.6rem);line-height:1.02;margin:0 0 1.5rem;color:#fff;font-weight:500}
:root[dir="rtl"] .hero h1{font-weight:700;line-height:1.18}
/* masked word reveal */
.reveal{display:inline-block;overflow:hidden;vertical-align:top;padding-block:.02em}
.reveal>span{display:inline-block;transform:translateY(110%);
  animation:wordUp .95s cubic-bezier(.16,1,.3,1) forwards;animation-delay:var(--d,0s)}
@keyframes wordUp{to{transform:translateY(0)}}
.hero .lede{font-size:clamp(1.1rem,1rem + .5vw,1.4rem);color:#c3d2ea;max-width:44ch;margin:0 0 2.2rem;
  font-weight:300;opacity:0;animation:fadeUp 1s cubic-bezier(.16,1,.3,1) .5s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap;opacity:0;animation:fadeUp 1s cubic-bezier(.16,1,.3,1) .68s forwards}
.hero .btn-primary{background:var(--gold);color:#241603}
.hero .btn-primary:hover{background:var(--gold-soft)}
.hero .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.hero .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.mag{will-change:transform;transition:transform .35s cubic-bezier(.16,1,.3,1)}
/* legacy rail integrated into the hero base, on glass */
.hero-rail{position:relative;z-index:3;border-top:1px solid rgba(255,255,255,.14);margin-top:clamp(2.5rem,6vh,4.5rem)}
.hero-rail .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1rem,3vw,2.5rem);
  padding-block:1.6rem;opacity:0;animation:fadeUp 1s ease .9s forwards}
.hero-rail .stat .n{font-family:var(--f-disp);font-size:clamp(1.4rem,1.1rem + 1vw,2rem);color:#fff;line-height:1}
:root[dir="rtl"] .hero-rail .stat .n{font-weight:700}
.hero-rail .stat .l{font-size:var(--step--1);color:#9fb3d4;margin-top:.45rem}
.scroll-cue{position:absolute;bottom:1.4rem;inset-inline:0;z-index:3;display:flex;justify-content:center;
  color:#9fb3d4;font-size:.8rem;opacity:0;animation:fadeUp 1s ease 1.2s forwards}
.scroll-cue span{display:inline-block;animation:bob 2.4s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

/* ---- sections ---- */
section{padding-block:clamp(3.5rem,8vw,6rem)}
.sec-head{max-width:60ch;margin-bottom:2.8rem}
.sec-head h2{font-size:var(--step-3);margin:.8rem 0 1rem}
.sec-head p{color:var(--ink-soft);font-size:var(--step-1)}
.alt{background:var(--paper);border-block:1px solid var(--line)}

/* work cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--line);
  border:1px solid var(--line)}
.card{background:var(--paper);padding:2rem 1.8rem;transition:.25s;position:relative}
.card:hover{background:#fcfaf4}
.card .ic{width:40px;height:40px;color:var(--gold);margin-bottom:1.1rem}
.card h3{font-size:var(--step-1);margin-bottom:.6rem;color:var(--navy)}
.card p{color:var(--ink-soft);font-size:.98rem;margin:0}
.card .more{margin-top:1.1rem;font-size:.9rem;font-weight:600;color:var(--navy);display:inline-flex;gap:.4em}

/* where we work — regions */
.regions{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.2rem}
.region{border:1px solid var(--line);background:var(--paper);padding:1.4rem;border-radius:2px}
.region .rn{font-family:var(--f-disp);color:var(--navy);font-size:var(--step-1)}
:root[dir="rtl"] .region .rn{font-weight:700}
.region .rd{font-size:.9rem;color:var(--ink-soft);margin-top:.3rem}

/* news */
.news{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.6rem}
.post{border-top:2px solid var(--navy);padding-top:1.1rem}
.post time{font-size:var(--step--1);color:var(--gold);font-weight:600;letter-spacing:.06em}
.post h3{font-size:var(--step-1);margin:.5rem 0;line-height:1.25}
.post p{color:var(--ink-soft);font-size:.95rem;margin:0}

/* quote / mission band */
.band{background:var(--navy);color:#eaf1fb;position:relative;overflow:hidden}
.band .wrap{position:relative;z-index:2}
.band blockquote{font-family:var(--f-disp);font-size:var(--step-2);line-height:1.35;max-width:24ch;margin:0;font-weight:400}
:root[dir="rtl"] .band blockquote{font-weight:700;max-width:30ch}
.band .by{margin-top:1.4rem;font-size:var(--step--1);letter-spacing:.12em;text-transform:uppercase;opacity:.7}
.band .wm{position:absolute;inset-block:0;inset-inline-end:-4%;opacity:.08;height:120%;color:var(--gold-soft)}

/* publications */
.pubs{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.4rem}
.pub{aspect-ratio:3/4;background:linear-gradient(160deg,var(--navy),var(--navy-deep));color:#fff;
  border-radius:2px;padding:1.2rem;display:flex;flex-direction:column;justify-content:space-between;
  border:1px solid var(--navy-deep);transition:.25s}
.pub:hover{transform:translateY(-4px)}
.pub .yr{font-family:var(--f-disp);font-size:var(--step-2)}
.pub .t{font-size:.82rem;opacity:.85}

/* footer */
.site-foot{background:var(--ink);color:#aeb8c9;font-size:.92rem;padding-block:3.5rem 2rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2.5rem}
.site-foot h4{color:#fff;font-family:var(--f-body);font-weight:600;font-size:.95rem;
  text-transform:uppercase;letter-spacing:.1em;margin:0 0 1rem}
.site-foot a{display:block;padding:.3rem 0;color:#aeb8c9}
.site-foot a:hover{color:var(--gold-soft)}
.foot-brand img{height:52px;margin-bottom:1rem}
.foot-bot{border-top:1px solid rgba(255,255,255,.1);padding-top:1.4rem;display:flex;
  justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;opacity:.7}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

/* responsive */
@media(max-width:900px){
  .hero{min-height:clamp(560px,88svh,760px)}
  .hero-rail .wrap{grid-template-columns:repeat(2,1fr);gap:1.4rem 1rem}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .menu-btn{display:block;margin-inline-start:auto}
}
@media(max-width:480px){.hero-rail .stat:nth-child(n+3){display:none}}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
  .reveal>span,.hero .lede,.hero-cta,.hero-rail .wrap,.scroll-cue{opacity:1!important;transform:none!important}
}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}