:root{
  --navy:#0a3d5c;
  --teal:#0e7c86;
  --teal-2:#12a3a3;
  --accent:#f2a900;
  --ink:#1a2530;
  --muted:#5b6b78;
  --line:#e2ebf0;
  --bg:#f5f9fb;
  --bg-soft:#eef5f8;
  --white:#ffffff;
  --shadow:0 6px 24px rgba(10,61,92,.08);
  --shadow-lg:0 18px 48px rgba(10,61,92,.14);
  --radius:14px;
  --maxw:1160px;
  --ff-en:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --ff-ar:"Segoe UI","Tahoma","Cairo",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--ff-en);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
body[dir="rtl"]{font-family:var(--ff-ar)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
section{padding:78px 0}
.section-alt{background:var(--white)}
h1,h2,h3,h4{line-height:1.25;color:var(--navy);font-weight:700}
.section-head{text-align:center;max-width:760px;margin:0 auto 46px}
.section-head .eyebrow{
  display:inline-block;color:var(--teal);font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;font-size:.78rem;margin-bottom:12px;
}
.section-head h2{font-size:2rem;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.03rem}

/* ===== Top bar ===== */
.topbar{background:var(--navy);color:#cfe4ee;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;gap:14px;flex-wrap:wrap}
.topbar a{color:#cfe4ee}
.topbar .tb-meta{display:flex;gap:18px;flex-wrap:wrap}
.topbar .tb-meta span{display:inline-flex;align-items:center;gap:6px}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(10,61,92,.05)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:46px;height:46px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--teal),var(--navy));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.92rem;letter-spacing:.03em}
.brand b{display:block;font-size:1.02rem;color:var(--navy);line-height:1.15}
.brand small{display:block;color:var(--muted);font-size:.74rem}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-weight:600;font-size:.92rem;color:var(--ink);padding:6px 0;position:relative}
.nav-links a:hover{color:var(--teal)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--teal);transition:width .25s}
.nav-links a:hover::after{width:100%}
.nav-right{display:flex;align-items:center;gap:14px}
.lang-toggle{border:1px solid var(--teal);color:var(--teal);background:transparent;
  border-radius:999px;padding:7px 15px;font-weight:700;cursor:pointer;font-size:.82rem;transition:.2s}
.lang-toggle:hover{background:var(--teal);color:#fff}
.btn{display:inline-block;border-radius:999px;padding:11px 22px;font-weight:700;font-size:.9rem;
  cursor:pointer;border:2px solid transparent;transition:.22s;text-align:center}
.btn-primary{background:var(--accent);color:#3a2c00}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-outline{border-color:#ffffff88;color:#fff}
.btn-outline:hover{background:#ffffff1f}
.btn-ghost{border-color:var(--teal);color:var(--teal)}
.btn-ghost:hover{background:var(--teal);color:#fff}
.menu-btn{display:none;background:none;border:0;cursor:pointer;font-size:1.6rem;color:var(--navy)}

/* ===== Hero ===== */
.hero{position:relative;color:#eaf6fb;overflow:hidden;
  background:linear-gradient(135deg,#072e47 0%,#0a3d5c 45%,#0e7c86 100%)}
.hero::before{content:"";position:absolute;inset:0;opacity:.14;
  background-image:radial-gradient(circle at 20% 30%,#fff 0 2px,transparent 2px),radial-gradient(circle at 70% 60%,#fff 0 2px,transparent 2px);
  background-size:46px 46px,60px 60px}
.hero .container{position:relative;padding:86px 22px 92px}
.hero-badge{display:inline-flex;gap:8px;align-items:center;background:#ffffff1f;border:1px solid #ffffff33;
  padding:7px 15px;border-radius:999px;font-size:.82rem;font-weight:600;margin-bottom:22px}
.hero h1{color:#fff;font-size:2.7rem;line-height:1.18;max-width:920px;margin-bottom:16px}
.hero .theme{font-size:1.18rem;color:#bfe9ef;font-style:italic;max-width:720px;margin-bottom:26px}
.hero-meta{display:flex;gap:30px;flex-wrap:wrap;margin-bottom:32px}
.hero-meta .hm{display:flex;gap:12px;align-items:center}
.hero-meta .hm .ic{width:42px;height:42px;border-radius:11px;background:#ffffff1f;display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.hero-meta .hm b{display:block;color:#fff;font-size:1.02rem}
.hero-meta .hm span{font-size:.85rem;color:#bcdbe6}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* ===== Stats ===== */
.stats{background:var(--white);border-bottom:1px solid var(--line)}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats .stat b{display:block;font-size:2.1rem;color:var(--teal);font-weight:800}
.stats .stat span{color:var(--muted);font-size:.92rem;font-weight:600}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:44px;align-items:start}
.about-grid p{color:var(--muted);margin-bottom:16px}
.host-card{background:linear-gradient(160deg,var(--bg-soft),#fff);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.host-card h4{color:var(--navy);margin-bottom:14px;font-size:1.05rem}
.host-card .host{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}
.host-card .host:last-child{border-bottom:0}
.host-card .host .dot{width:10px;height:10px;border-radius:50%;background:var(--teal);margin-top:7px;flex:0 0 auto}
.host-card .host b{color:var(--ink);font-size:.95rem}
.host-card .host span{color:var(--muted);font-size:.85rem}

/* ===== Objectives ===== */
.obj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.obj-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:.25s}
.obj-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.obj-card .num{width:40px;height:40px;border-radius:10px;background:var(--bg-soft);color:var(--teal);
  font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.obj-card p{color:var(--muted);font-size:.96rem}

/* ===== Importance ===== */
.importance{background:linear-gradient(135deg,#0a3d5c,#0e7c86);color:#eaf6fb}
.importance .section-head h2,.importance .section-head .eyebrow{color:#fff}
.importance .section-head .eyebrow{color:#bfe9ef}
.importance p.lead{max-width:860px;margin:0 auto;text-align:center;color:#d6ecf2;font-size:1.06rem}

/* ===== Tracks ===== */
.tracks-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.track{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:.25s}
.track:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.track .track-head{display:flex;gap:14px;align-items:center;padding:20px 22px;
  background:linear-gradient(120deg,var(--navy),var(--teal));color:#fff}
.track .track-head .tnum{width:44px;height:44px;border-radius:11px;background:#ffffff26;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.05rem;flex:0 0 auto}
.track .track-head h3{color:#fff;font-size:1.02rem;line-height:1.3}
.track ul{list-style:none;padding:18px 22px;display:grid;grid-template-columns:1fr 1fr;gap:8px 18px}
.track ul li{position:relative;padding-inline-start:18px;color:var(--muted);font-size:.9rem}
.track ul li::before{content:"";position:absolute;inset-inline-start:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--teal-2)}
@media(max-width:640px){.track ul{grid-template-columns:1fr}}

/* ===== Committees ===== */
.tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
.tab{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;
  padding:9px 20px;font-weight:600;cursor:pointer;font-size:.88rem;transition:.2s}
.tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.people-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.person{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.person .avatar{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--navy));
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.05rem;margin-bottom:14px}
.person b{display:block;color:var(--navy);font-size:1rem;margin-bottom:3px}
.person .role{color:var(--teal);font-weight:600;font-size:.82rem;margin-bottom:8px}
.person .aff{color:var(--muted);font-size:.85rem}
.panel{display:none}
.panel.active{display:block}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info .ci{display:flex;gap:14px;margin-bottom:20px}
.contact-info .ci .ic{width:44px;height:44px;border-radius:11px;background:var(--bg-soft);color:var(--teal);
  display:flex;align-items:center;justify-content:center;font-size:1.15rem;flex:0 0 auto}
.contact-info .ci b{display:block;color:var(--navy);font-size:.96rem}
.contact-info .ci span{color:var(--muted);font-size:.9rem}
form.cform{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
form.cform label{display:block;font-weight:600;font-size:.85rem;margin:0 0 6px;color:var(--ink)}
form.cform .field{margin-bottom:16px}
form.cform input,form.cform textarea{width:100%;border:1px solid var(--line);border-radius:10px;
  padding:11px 13px;font:inherit;background:var(--bg);color:var(--ink)}
form.cform input:focus,form.cform textarea:focus{outline:2px solid var(--teal-2);border-color:var(--teal-2)}

/* ===== Footer ===== */
.site-footer{background:var(--navy);color:#bcd6e2;padding:52px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px;margin-bottom:32px}
.site-footer h5{color:#fff;font-size:1rem;margin-bottom:14px}
.site-footer a{color:#bcd6e2;display:block;padding:4px 0;font-size:.9rem}
.site-footer a:hover{color:#fff}
.site-footer .foot-brand p{color:#9fc0cf;font-size:.9rem;margin-top:12px;max-width:340px}
.footer-bottom{border-top:1px solid #ffffff1f;padding-top:20px;text-align:center;color:#8fb2c2;font-size:.84rem}

/* ===== RTL tweaks ===== */
body[dir="rtl"] .nav-links a::after{left:auto;right:0}
body[dir="rtl"] .hero .theme{font-style:normal}

/* ===== Responsive ===== */
@media(max-width:960px){
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .obj-grid,.people-grid{grid-template-columns:repeat(2,1fr)}
  .tracks-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:2.15rem}
}
@media(max-width:760px){
  .nav-links{position:fixed;inset:64px 0 auto 0;background:#fff;flex-direction:column;gap:0;
    padding:10px 22px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none}
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:12px 0;border-bottom:1px solid var(--line)}
  .menu-btn{display:block}
  .stats .grid{grid-template-columns:1fr 1fr}
  .obj-grid,.people-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-meta{gap:18px}
}

/* =========================================================
   v2 — interactivity, imagery, slogan, background
   ========================================================= */

/* Scroll progress bar */
#scrollProgress{position:fixed;top:0;left:0;height:3px;width:0;z-index:100;
  background:linear-gradient(90deg,var(--teal-2),var(--accent));transition:width .1s linear}

/* Brand logo image */
.brand .logo img{width:100%;height:100%;display:block}
.brand .logo{padding:0;overflow:hidden;background:none}

/* Hero background image + overlay */
.hero{background:#072e47}
.hero::after{content:"";position:absolute;inset:0;z-index:0;
  background-image:url("../assets/hero-bg.svg");background-size:cover;background-position:center;
  opacity:1}
.hero::before{z-index:1}
.hero .container{z-index:2}
.hero-overlay{position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(6,35,56,.82) 0%,rgba(10,61,92,.55) 55%,rgba(14,124,134,.25) 100%)}

/* Slogan */
.hero-slogan{display:block;font-size:1.05rem;font-weight:700;letter-spacing:.02em;
  color:var(--accent);margin:2px 0 18px}
.hero-slogan .bar{display:inline-block;width:34px;height:3px;background:var(--accent);
  vertical-align:middle;margin-inline-end:12px;border-radius:2px}

/* Floating molecules in hero */
.floaty{position:absolute;z-index:1;border-radius:50%;opacity:.5;
  background:radial-gradient(circle at 30% 30%,#bff0f4,#12a3a3);filter:blur(.3px);
  animation:floaty 9s ease-in-out infinite}
.floaty.f1{width:16px;height:16px;top:22%;left:12%;animation-delay:0s}
.floaty.f2{width:10px;height:10px;top:64%;left:20%;animation-delay:1.4s}
.floaty.f3{width:22px;height:22px;top:30%;right:16%;background:radial-gradient(circle at 30% 30%,#ffe1a0,#f2a900);animation-delay:.7s}
.floaty.f4{width:12px;height:12px;bottom:20%;right:26%;animation-delay:2.1s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-22px)}}

/* Countdown */
.countdown{display:flex;gap:14px;flex-wrap:wrap;margin:6px 0 30px}
.countdown .cd{background:#ffffff1a;border:1px solid #ffffff2e;border-radius:12px;
  padding:12px 16px;min-width:78px;text-align:center;backdrop-filter:blur(4px)}
.countdown .cd b{display:block;color:#fff;font-size:1.7rem;font-weight:800;line-height:1}
.countdown .cd span{display:block;color:#bcdbe6;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;margin-top:6px}

/* Scroll cue */
.scroll-cue{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);z-index:2;
  color:#bcdbe6;font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;text-align:center}
.scroll-cue .mouse{width:22px;height:36px;border:2px solid #bcdbe6;border-radius:12px;margin:0 auto 8px;position:relative}
.scroll-cue .mouse::before{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);
  width:3px;height:7px;border-radius:2px;background:#bcdbe6;animation:wheel 1.5s infinite}
@keyframes wheel{0%{opacity:0;top:6px}30%{opacity:1}60%{opacity:1;top:16px}100%{opacity:0;top:18px}}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.floaty,.scroll-cue .mouse::before{animation:none}}

/* Stat card icons */
.stats .stat{display:flex;flex-direction:column;align-items:center;gap:4px}
.stats .stat .sic{width:44px;height:44px;color:var(--teal);margin-bottom:2px}
.stats .stat .sic svg{width:100%;height:100%}

/* Track header icon */
.track .track-head .ticon{width:26px;height:26px;color:#fff;flex:0 0 auto;margin-inline-start:2px}
.track .track-head .ticon svg{width:100%;height:100%}

/* About illustration */
.about-media{display:flex;flex-direction:column;gap:22px}
.about-illu{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;background:#fff}

/* Section wave divider */
.wave{display:block;width:100%;height:60px;margin-bottom:-6px}
.wave.flip{transform:rotate(180deg)}

/* Track hover accent */
.track:hover .track-head{filter:brightness(1.08)}

/* Nav active */
.nav-links a.active{color:var(--teal)}
.nav-links a.active::after{width:100%}

/* Back to top */
#toTop{position:fixed;bottom:26px;inset-inline-end:26px;z-index:80;width:48px;height:48px;border:0;
  border-radius:50%;background:var(--navy);color:#fff;font-size:1.3rem;cursor:pointer;box-shadow:var(--shadow-lg);
  opacity:0;pointer-events:none;transform:translateY(12px);transition:.3s}
#toTop.show{opacity:1;pointer-events:auto;transform:none}
#toTop:hover{background:var(--teal)}

/* Objective card icon */
.obj-card .oic{width:34px;height:34px;color:var(--teal);float:inline-end;opacity:.55}
body[dir="rtl"] .obj-card .oic{float:left}
.obj-card .oic svg{width:100%;height:100%}