/* CNAS website, 2026 redesign: clean light layout in the logo's blue and green */
:root{
  --navy:#0b2e5c; --navy-2:#0f3d78; --blue:#1f6fc0; --blue-l:#e8f1fb;
  --green:#3fa535; --green-d:#2c8a2a; --lime:#7cc142; --green-l:#eaf6e6;
  --ink:#16243a; --muted:#5a6b82; --line:#e3e9f1; --bg:#f6f9fc; --white:#fff;
  --radius:18px; --shadow:0 10px 30px rgba(11,46,92,.08); --shadow-lg:0 20px 50px rgba(11,46,92,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--white);line-height:1.65;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--green-d)}
h1,h2,h3,h4{font-family:Poppins,Inter,sans-serif;line-height:1.2;color:var(--navy)}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.bg{display:none}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;gap:18px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;color:var(--navy);flex-shrink:0}
.brand img{width:48px;height:48px;object-fit:contain}
.brand span{font-family:Poppins,sans-serif;font-weight:800;font-size:26px;letter-spacing:.5px;line-height:1;color:var(--navy)}
.brand small{display:block;font-family:Inter,sans-serif;font-weight:600;font-size:11px;letter-spacing:.6px;color:var(--green-d);margin-top:4px;text-transform:uppercase}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:var(--ink);font-weight:600;font-size:15px;padding:9px 16px;border-radius:999px;transition:.2s}
.nav a:hover{background:var(--blue-l);color:var(--blue)}
.nav a.active{background:var(--blue);color:#fff}
.nav a.nav-cta{background:var(--green);color:#fff;margin-left:8px}
.nav a.nav-cta:hover{background:var(--green-d)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--green);color:#fff;font-weight:700;font-size:16px;padding:14px 26px;border-radius:999px;border:0;cursor:pointer;box-shadow:0 8px 20px rgba(63,165,53,.28);transition:.2s}
.btn:hover{background:var(--green-d);color:#fff;transform:translateY(-2px)}
.btn svg{width:18px;height:18px}
.btn.btn-outline{background:#fff;color:var(--navy);border:2px solid var(--line);box-shadow:none}
.btn.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.btn.btn-wa{background:#25D366;box-shadow:0 8px 20px rgba(37,211,102,.3)}
.btn.btn-wa:hover{background:#1da851}
.btn.btn-fb{background:#1877F2;margin-top:16px;box-shadow:none}

/* ---------- inner page hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--navy) 0%,var(--navy-2) 45%,var(--blue) 100%);color:#fff;padding:64px 0 70px}
.hero::before{content:"";position:absolute;right:-60px;top:-40px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(124,193,66,.45),rgba(124,193,66,0) 70%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:48px;background:#fff;clip-path:ellipse(75% 100% at 50% 100%)}
.hero .container{position:relative;z-index:1}
.hero h1{color:#fff;font-size:clamp(30px,4.4vw,48px);font-weight:700;max-width:820px}
.hero p{font-size:18px;color:#dbe7f7;max-width:680px;margin-top:12px}
.hero .eyebrow{color:var(--lime)}

/* ---------- home hero ---------- */
.hero.home{background:linear-gradient(180deg,#f2f8ff 0%,#fff 100%);color:var(--ink);padding:56px 0 110px}
.hero.home::before{background:radial-gradient(circle,rgba(124,193,66,.25),rgba(124,193,66,0) 70%);right:auto;left:-160px;top:-120px;width:520px;height:520px}
.hero.home::after{display:none}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:13px;letter-spacing:1.6px;text-transform:uppercase;color:var(--green-d)}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}
.hero.home h1{color:var(--navy);font-size:clamp(34px,4.6vw,54px);font-weight:800;letter-spacing:-.5px;margin-top:14px;max-width:none}
.hero.home h1 em{font-style:normal;background:linear-gradient(90deg,var(--green-d),var(--lime));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero.home p.lead{color:var(--muted);font-size:19px;margin-top:18px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.countries{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.countries span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:14px;font-weight:600;color:var(--navy)}
.hero-visual{position:relative}
.hero-visual .photo{border-radius:26px;overflow:hidden;box-shadow:var(--shadow-lg);border:6px solid #fff}
.hero-visual .photo img{width:100%;height:auto;aspect-ratio:16/11;object-fit:cover;object-position:50% 40%}
.float{position:absolute;background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);padding:14px 16px;font-size:14px;font-weight:700;color:var(--navy);display:flex;align-items:center;gap:12px}
.float .ic{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}
.float .ic svg{width:22px;height:22px}
.float small{display:block;font-weight:500;color:var(--muted);font-size:12px}
.float.f1{left:-28px;top:28px}.float.f1 .ic{background:var(--blue)}
.float.f2{right:-22px;bottom:34px}.float.f2 .ic{background:var(--green)}
.float.f3{left:22px;bottom:-26px}.float.f3 .ic{background:var(--navy)}

/* ---------- pillars ---------- */
.pillars{position:relative;margin-top:-62px;z-index:2}
.pillars .row{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:22px;box-shadow:var(--shadow-lg);overflow:hidden}
.pillar{padding:26px 22px;display:flex;gap:16px;align-items:center;border-right:1px solid var(--line)}
.pillar:last-child{border-right:0}
.pillar .ic{width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;box-shadow:0 8px 18px rgba(0,0,0,.12)}
.pillar:nth-child(odd) .ic{background:linear-gradient(135deg,var(--green),var(--lime))}
.pillar:nth-child(even) .ic{background:linear-gradient(135deg,var(--navy-2),var(--blue))}
.pillar .ic svg{width:28px;height:28px}
.pillar h3{font-size:16px;margin:0}
.pillar p{font-size:13px;color:var(--muted);line-height:1.4;margin-top:3px}

/* ---------- sections ---------- */
.block{padding:84px 0}
.block.alt{background:var(--bg)}
.section-head{text-align:center;max-width:720px;margin:0 auto 44px}
.section-title{font-size:clamp(28px,3.4vw,40px);font-weight:700;text-align:center}
.section-sub{color:var(--muted);text-align:center;font-size:18px;margin-top:10px}
.section-head .eyebrow{justify-content:center;margin-bottom:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-top:8px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow);transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#cfe0f3}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15.5px}
.card p+p{margin-top:8px}
.card .icon{font-size:30px;display:block;margin-bottom:10px}
.card .svc-ic{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:#fff;background:linear-gradient(135deg,var(--green),var(--lime))}
.card:nth-child(even) .svc-ic{background:linear-gradient(135deg,var(--navy-2),var(--blue))}
.card .svc-ic svg{width:28px;height:28px}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-weight:700;font-size:14.5px}
.card .more svg{width:16px;height:16px;transition:.2s}
.card:hover .more svg{transform:translateX(4px)}
.card-links{margin-top:12px;font-size:14px;font-weight:600}

/* photo tiles */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tile{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:3/4;background:var(--navy)}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.tile:hover img{transform:scale(1.06)}
.tile figcaption{position:absolute;left:12px;right:12px;bottom:12px;background:rgba(11,46,92,.86);backdrop-filter:blur(4px);color:#fff;font-family:Poppins,sans-serif;font-weight:600;font-size:15px;padding:10px 14px;border-radius:12px;border-left:4px solid var(--lime)}

/* split feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .media{border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg)}
.split .media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split h2{font-size:clamp(28px,3.4vw,40px)}
.split h2 em{font-style:normal;color:var(--green)}
.split p{color:var(--muted);font-size:17px;margin-top:14px}
.checks{list-style:none;margin-top:22px;display:grid;gap:12px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-weight:500}
.checks li::before{content:"";flex-shrink:0;width:24px;height:24px;margin-top:1px;border-radius:50%;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/16px no-repeat}

/* also-from banner */
.also{display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between;background:linear-gradient(90deg,var(--blue-l),var(--green-l));border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;margin-top:36px}
.also h3{font-size:19px}.also p{color:var(--muted);font-size:15px;margin-top:4px}
.also .links{display:flex;gap:10px;flex-wrap:wrap}
.also .links a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-weight:700;font-size:14px}

/* ---------- CTA band ---------- */
.cta{position:relative;overflow:hidden;background:linear-gradient(115deg,var(--navy) 0%,var(--blue) 60%,var(--green) 130%);color:#fff;text-align:center;padding:80px 0}
.cta::before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;left:-120px;bottom:-200px;background:rgba(124,193,66,.35);filter:blur(30px)}
.cta .container{position:relative}
.cta h2{color:#fff;font-size:clamp(28px,3.6vw,42px)}
.cta p{color:#dbe7f7;font-size:18px;margin:12px auto 0;max-width:620px}
.cta .phone{font-family:Poppins,sans-serif;font-size:30px;font-weight:700;color:#fff;margin:18px auto 22px}
.cta .btn{margin-top:22px}
.cta .phone+.btn{margin-top:0}

/* ---------- services page ---------- */
.group{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;margin-bottom:28px;box-shadow:var(--shadow);overflow:hidden}
.group h2{font-size:26px;margin-bottom:22px;padding-bottom:14px;border-bottom:3px solid var(--green-l);display:flex;align-items:center;gap:10px}
.list-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.list-item{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:13px 16px 13px 42px;font-weight:500;font-size:15.5px}
.list-item::before{content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;border-radius:50%;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/11px no-repeat}
.group:nth-child(even) .list-item::before{background-color:var(--blue)}
.group .pic{float:right;width:min(340px,40%);margin:0 0 18px 26px}
#academic{scroll-margin-top:96px}

/* figures */
.pic{border-radius:16px;overflow:hidden;box-shadow:var(--shadow);background:#fff}
.pic img{width:100%;height:auto}
.pic.diagram{background:#fff;padding:8px}
.pic figcaption{font-size:14px;color:var(--muted);padding:10px 14px}
.strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}

/* prose pages (about, legal) */
.prose{max-width:900px}
.prose h2{font-size:28px;margin:38px 0 14px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:20px;margin:24px 0 8px}
.prose p{color:#33445c;margin-bottom:14px;font-size:16.5px}
.prose ul{margin:0 0 16px 22px;color:#33445c}
.prose li{margin-bottom:8px}
.prose .pic.side{float:right;clear:right;width:min(300px,40%);margin:6px 0 16px 28px}
.prose h2{clear:both}
.prose::after{content:"";display:block;clear:both}

/* team */
.team{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;margin-top:22px;clear:both}
.member{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border-top:5px solid var(--green)}
.member:nth-child(even){border-top-color:var(--blue)}
.member h3{font-size:20px;margin:0}
.member .role{color:var(--green-d);font-weight:700;font-size:14.5px;margin:6px 0 12px}
.member .quals{font-size:14px;color:var(--muted);background:var(--bg);border-radius:10px;padding:10px 12px}
.member p{font-size:15px}

/* Facebook panel (academic section only) */
.fb-academic{display:flex;flex-wrap:wrap;gap:28px;align-items:center;margin-top:28px;padding:26px;border-radius:16px;background:linear-gradient(135deg,#eef4ff,#f3faef);border:1px solid var(--line);clear:both}
.fb-text{flex:1 1 280px}.fb-text h3{color:#1877F2;margin-bottom:8px}.fb-text p{color:var(--muted)}
.fb-embed{flex:0 1 340px;max-width:100%;overflow:hidden;border-radius:12px;background:#fff}
.fb-embed iframe{max-width:100%;display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#c4d3e8;padding:64px 0 0;font-size:15px}
.site-footer .cols{display:grid;grid-template-columns:1.5fr 1.2fr 1fr 1fr;gap:36px}
.site-footer h4{color:#fff;font-size:17px;margin-bottom:14px}
.site-footer p{margin-bottom:8px}
.site-footer a{color:#c4d3e8}
.site-footer a:hover{color:var(--lime)}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.foot-brand img{width:52px;height:52px;border-radius:50%;background:#fff;padding:4px;object-fit:contain}
.foot-brand b{font-family:Poppins,sans-serif;font-size:24px;color:#fff}
.li-link{display:inline-flex;align-items:center;gap:8px;font-weight:700}
.li-link span{display:inline-block;background:#0A66C2;color:#fff;border-radius:4px;padding:0 6px;font-weight:800;font-size:13px;line-height:20px}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:22px 0;text-align:center;font-size:14px;color:#8fa6c6}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .hero-grid,.split{grid-template-columns:1fr}
  .hero-visual{max-width:620px;margin:10px auto 0}
  .pillars .row{grid-template-columns:repeat(2,1fr)}
  .pillar:nth-child(2){border-right:0}
  .pillar:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .tiles{grid-template-columns:repeat(2,1fr)}
  .grid.three{grid-template-columns:repeat(2,1fr)}
  .site-footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .site-header .container{flex-wrap:wrap;gap:6px;padding-top:10px;padding-bottom:8px;min-height:0}
  .nav{margin-left:0;width:100%;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .nav a{white-space:nowrap;padding:8px 13px;font-size:14px}
  .nav a.nav-cta{display:none}
  .brand span{font-size:22px}
  .block{padding:60px 0}
  .hero{padding:48px 0 60px}
  .hero.home{padding:36px 0 90px}
  .float{display:none}
  .float.f2{display:flex;right:10px;bottom:-22px}
  .pillars .row{grid-template-columns:1fr}
  .pillar{border-right:0;border-bottom:1px solid var(--line)}
  .pillar:last-child{border-bottom:0}
  .group{padding:22px}
  .group .pic,.prose .pic.side{float:none;width:100%;margin:0 0 18px}
  .site-footer .cols{grid-template-columns:1fr}
  .tiles{grid-template-columns:1fr 1fr;gap:12px}
  .grid.three{grid-template-columns:1fr}
}