/* ============================================================
   STEADY — Society for Training in Endocrine and Diabetes Research
   Brand palette derived from the STEADY logo (deep navy + teal accent)
   ============================================================ */

:root{
  /* ---- Brand (from logo) ---- */
  --navy:        #0B2E4F;   /* primary deep navy */
  --navy-800:    #123E66;
  --navy-700:    #1A4F7E;
  --navy-900:    #071F36;   /* darkest navy */
  --teal:        #147A8A;   /* secondary accent */
  --teal-bright: #28A6B8;
  --teal-soft:   #DDF2F5;

  /* ---- Neutrals ---- */
  --sky:         #EAF3F7;   /* light brand wash */
  --sky-2:       #F5FAFB;
  --white:       #FFFFFF;
  --ink:         #16212C;   /* body text */
  --muted:       #5A6B79;
  --line:        #E1EBF0;

  /* ---- Effects ---- */
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 50px -18px rgba(11,46,79,.25);
  --shadow-sm: 0 8px 24px -12px rgba(11,46,79,.20);
  --shadow-lg: 0 30px 70px -25px rgba(7,31,54,.45);
  --grad: linear-gradient(135deg, var(--navy) 0%, var(--navy-800) 45%, var(--teal) 130%);
  --grad-soft: linear-gradient(135deg, var(--sky) 0%, var(--sky-2) 100%);
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ============ Base ============ */
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
section[id]{scroll-margin-top:82px;}
body{
  font-family:'Inter','Segoe UI',system-ui,-apple-system,Roboto,'Helvetica Neue',Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;transition:color .3s var(--ease);}
ul{list-style:none;}
h1,h2,h3,h4{font-family:'Poppins','Inter','Segoe UI',sans-serif;font-weight:700;line-height:1.25;color:var(--navy-900);letter-spacing:-.01em;}
p{color:var(--muted);}

.container{width:min(1180px,92%);margin:0 auto;}
.section{padding:clamp(56px,7vw,104px) 0;position:relative;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;border-radius:60px;
  font-weight:600;font-size:15.5px;cursor:pointer;
  border:2px solid transparent;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
  letter-spacing:.01em;
}
.btn svg{width:18px;height:18px;transition:transform .3s var(--ease);}
.btn-primary{background:linear-gradient(135deg,var(--teal) 0%,var(--teal-bright) 100%);color:#fff;box-shadow:0 14px 30px -12px rgba(20,122,138,.6);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 40px -14px rgba(20,122,138,.7);}
.btn-primary:hover svg{transform:translateX(4px);}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-3px);border-color:#fff;}
.btn-dark{background:var(--navy);color:#fff;}
.btn-dark:hover{background:var(--navy-700);transform:translateY(-3px);box-shadow:var(--shadow-sm);}

/* ============ Navbar ============ */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  transition:background .4s var(--ease),box-shadow .4s var(--ease),padding .4s var(--ease);
  padding:16px 0;background:rgba(255,255,255,.0);
}
.navbar.scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(14px);box-shadow:0 6px 24px -14px rgba(11,46,79,.35);padding:10px 0;}
.navbar.scrolled .nav-link{color:var(--navy-800);}
.navbar.scrolled .nav-logo-name{color:var(--navy-900);}
.navbar.scrolled .nav-cta{color:#fff;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:13px;}
.brand img{height:52px;width:auto;filter:drop-shadow(0 4px 10px rgba(255,255,255,.25));}
.nav-logo-name{color:#fff;font-family:'Poppins',sans-serif;font-weight:700;font-size:19px;line-height:1.1;letter-spacing:.5px;}
.nav-logo-sub{display:block;font-size:11px;font-weight:500;color:var(--teal-bright);letter-spacing:1.6px;text-transform:uppercase;}
.navbar.scrolled .nav-logo-sub{color:var(--teal);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;color:rgba(255,255,255,.92);font-weight:500;font-size:15px;
  padding:9px 15px;border-radius:40px;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2.5px;border-radius:2px;
  background:var(--teal-bright);transform:translateX(-50%);
  transition:width .35s var(--ease);
}
.nav-link:hover::after,.nav-link.active::after{width:22px;}
.nav-link.active{color:#fff;}
.navbar.scrolled .nav-link.active{color:var(--navy);}
.nav-cta{margin-left:10px;}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;border-radius:8px;}
.nav-toggle span{display:block;width:26px;height:2.6px;background:#fff;margin:5px 0;border-radius:3px;transition:all .35s var(--ease);}
.navbar.scrolled .nav-toggle span{background:var(--navy);}

/* ============ Hero ============ */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:radial-gradient(120% 120% at 85% -10%, #1A4F7E 0%, var(--navy) 42%, var(--navy-900) 100%);
  color:#fff;overflow:hidden;
  padding:130px 0 90px;
}
.hero #particles-js{position:absolute;inset:0;z-index:0;}
.hero .container{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  padding:8px 16px;border-radius:40px;font-size:13px;letter-spacing:.5px;font-weight:500;
  color:var(--teal-soft);backdrop-filter:blur(6px);margin-bottom:24px;
}
.hero-badge .dot{width:9px;height:9px;border-radius:50%;background:var(--teal-bright);animation:pulse 2s infinite;}
.hero h1{
  color:#fff;font-size:clamp(32px,5.4vw,60px);font-weight:800;
  max-width:820px;margin-bottom:22px;
}
.hero h1 .accent{background:linear-gradient(90deg,var(--teal-bright),#7fd6e4);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero .lead{max-width:720px;font-size:clamp(16px,1.5vw,19px);color:rgba(255,255,255,.86);margin-bottom:14px;line-height:1.8;}
.hero .lead + .lead{color:rgba(255,255,255,.74);}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:56px;padding-top:30px;border-top:1px solid rgba(255,255,255,.16);}
.stat .num{font-family:'Poppins',sans-serif;font-size:30px;font-weight:800;color:#fff;}
.stat .num span{color:var(--teal-bright);}
.stat .lbl{font-size:13px;color:rgba(255,255,255,.7);letter-spacing:.4px;margin-top:2px;}

.hero-ornament{position:absolute;right:-120px;top:50%;transform:translateY(-50%);z-index:1;opacity:.85;pointer-events:none;}
.hero-ornament svg{width:clamp(280px,34vw,520px);height:auto;}

/* ============ Section header ============ */
.sec-head{max-width:720px;margin-bottom:clamp(38px,5vw,64px);}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;text-transform:uppercase;
  font-size:12.5px;font-weight:700;letter-spacing:2.4px;color:var(--teal);margin-bottom:14px;
}
.eyebrow::before{content:"";width:34px;height:2px;background:linear-gradient(90deg,var(--teal),var(--teal-bright));border-radius:2px;}
.sec-head.center .eyebrow::after{content:"";width:34px;height:2px;background:linear-gradient(90deg,var(--teal),var(--teal-bright));border-radius:2px;}
.sec-head h2{font-size:clamp(28px,3.6vw,42px);margin-bottom:16px;}
.sec-head p{font-size:16.5px;}

/* ============ Welcome ============ */
.welcome{background:var(--sky-2);}
.welcome-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,70px);align-items:center;}
.welcome-art{position:relative;}
.welcome-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:38px;border:1px solid var(--line);}
.welcome-card p{margin-bottom:16px;font-size:16.5px;}
.welcome-card p:last-child{margin-bottom:0;}
.welcome-tick{color:var(--teal);display:inline-block;margin-right:4px;font-weight:800;}
.welcome-photo{
  position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);
}
.welcome-photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:5/5.2;}
.welcome-photo .ph-label{
  position:absolute;left:18px;right:18px;bottom:18px;background:rgba(7,31,54,.78);backdrop-filter:blur(8px);
  color:#fff;padding:16px 20px;border-radius:14px;border:1px solid rgba(255,255,255,.15);font-size:14px;
}
.welcome-photo .ph-label b{color:var(--teal-bright);}

/* ============ Focus areas ============ */
.focus{background:var(--white);}
.focus-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.focus-card{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 28px;overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.focus-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--navy),var(--teal));transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);
}
.focus-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent;}
.focus-card:hover::before{transform:scaleX(1);}
.focus-icon{
  width:60px;height:60px;border-radius:16px;display:grid;place-items:center;margin-bottom:22px;
  background:var(--sky);color:var(--navy);transition:all .4s var(--ease);
}
.focus-card:hover .focus-icon{background:var(--grad);color:#fff;box-shadow:0 10px 22px -10px rgba(11,46,79,.5);}
.focus-icon svg{width:28px;height:28px;}
.focus-card h3{font-size:20px;margin-bottom:12px;}
.focus-card p{font-size:15px;}

/* ============ About ============ */
.about{background:var(--grad);color:#fff;position:relative;overflow:hidden;}
.about::before{content:"";position:absolute;inset:0;background:radial-gradient(70% 60% at 0% 100%, rgba(40,166,184,.18), transparent 60%);}
.about .container{position:relative;z-index:2;}
.about .eyebrow{color:var(--teal-bright);}
.about h2{color:#fff;}
.about p{color:rgba(255,255,255,.82);}
.about-intro p{margin-bottom:16px;font-size:16.5px;}
.about-seq{display:flex;flex-direction:column;gap:22px;margin-top:40px;}
.about-block{
  background:#ffffff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;box-shadow:var(--shadow-sm);
}
.about-block h3{color:var(--navy-900);font-size:19px;margin-bottom:14px;display:flex;align-items:center;gap:12px;}
.about-block h3 .ab-ic{width:40px;height:40px;border-radius:12px;background:var(--sky);display:grid;place-items:center;color:var(--teal);}
.about-block h3 svg{width:20px;height:20px;}
.about-block p{font-size:15px;margin-bottom:10px;color:var(--muted);}
.about-lists{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 28px;margin-top:14px;}
.about-lists li{position:relative;padding-left:30px;font-size:15px;color:var(--ink);margin-bottom:12px;}
.about-lists li b{color:var(--navy);}
.about-lists li::before{
  content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;
  background:var(--teal-soft);color:var(--teal);font-size:11px;font-weight:800;
  display:grid;place-items:center;
}
.values-list{margin-top:16px;display:grid;gap:14px;}
.values-list li{font-size:15px;color:var(--ink);}
.values-list li b{color:var(--teal);}

/* ============ Governing Body ============ */
.gbody{background:var(--sky-2);}
.gbody-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.member-card{
  background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);
  overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease);border:1px solid var(--line);
}
.member-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);}
.member-photo{position:relative;aspect-ratio:4/4.4;background:linear-gradient(160deg,var(--navy) 0%,var(--navy-800) 60%,var(--teal) 140%);display:block;}
.member-photo img{width:100%;height:100%;object-fit:cover;object-position:top center;}
/* stylish placeholder for members without a photo yet */
.member-photo .placeholder{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#fff;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(40,166,184,.35) 0%, transparent 55%),
    linear-gradient(160deg,var(--navy) 0%,var(--navy-800) 55%,var(--teal) 150%);
}
.placeholder .initials{font-family:'Poppins',sans-serif;font-size:52px;font-weight:800;letter-spacing:2px;color:#fff;}
.placeholder .cam-ic{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.14);display:grid;place-items:center;border:1px solid rgba(255,255,255,.25);}
.placeholder .cam-ic svg{width:20px;height:20px;color:var(--teal-bright);}
.placeholder .add{font-size:12px;letter-spacing:1.2px;text-transform:uppercase;color:rgba(255,255,255,.75);}
.member-photo .photo-ring{position:absolute;left:16px;right:16px;bottom:-26px;height:52px;background:var(--white);border-radius:60% 60% 0 0 / 100% 100% 0 0;z-index:1;}
.member-info{padding:40px 22px 24px;text-align:center;position:relative;}
.member-info h3{font-size:18px;margin-bottom:2px;}
.member-role{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--teal);margin-bottom:12px;}
.member-prof{font-size:13.5px;color:var(--muted);}

/* ============ News & Events ============ */
.news{background:var(--white);}
.news-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,60px);align-items:stretch;}
.news-panel{background:var(--grad);border-radius:var(--radius);padding:44px 38px;color:#fff;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;}
.news-panel::after{content:"";position:absolute;right:-70px;bottom:-70px;width:220px;height:220px;border-radius:50%;background:rgba(40,166,184,.18);}
.news-panel h2{color:#fff;font-size:30px;margin-bottom:16px;}
.news-panel p{color:rgba(255,255,255,.85);margin-bottom:14px;font-size:15.5px;}
.news-panel .mail{display:inline-flex;align-items:center;gap:10px;color:var(--teal-bright);font-weight:600;margin-top:10px;}
.news-panel .mail svg{width:18px;height:18px;}
.news-cards{display:flex;flex-direction:column;gap:18px;justify-content:center;}
.news-card{display:flex;gap:20px;align-items:flex-start;background:var(--sky-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:26px;transition:transform .35s var(--ease),box-shadow .35s var(--ease);}
.news-card:hover{transform:translateX(6px);box-shadow:var(--shadow-sm);}
.news-card .nc-ic{width:52px;height:52px;flex:none;border-radius:14px;background:var(--white);box-shadow:var(--shadow-sm);color:var(--navy);display:grid;place-items:center;}
.news-card .nc-ic svg{width:24px;height:24px;color:var(--teal);}
.news-card h3{font-size:18px;margin-bottom:6px;}
.news-card p{font-size:14.5px;}

/* ============ Contact ============ */
.contact{background:var(--sky-2);}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,60px);align-items:start;}
.contact-cards{display:grid;gap:18px;}
.c-card{display:flex;gap:18px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;box-shadow:var(--shadow-sm);}
.c-card .cc-ic{width:52px;height:52px;flex:none;border-radius:14px;background:var(--sky);color:var(--navy);display:grid;place-items:center;}
.c-card .cc-ic svg{width:24px;height:24px;color:var(--teal);}
.c-card h4{font-size:15px;margin-bottom:4px;}
.c-card p,.c-card a{font-size:15px;color:var(--muted);}
.c-card a:hover{color:var(--teal);}
.c-form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow);}
.c-form h3{font-size:24px;margin-bottom:6px;}
.c-form .cform-sub{color:var(--muted);font-size:14.5px;margin-bottom:26px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:7px;}
.form-group label span{color:var(--teal);}
.form-control{
  width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:11px;
  font-size:15px;font-family:inherit;color:var(--ink);background:var(--sky-2);
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.form-control:focus{outline:none;border-color:var(--teal);background:#fff;box-shadow:0 0 0 4px rgba(20,122,138,.12);}
textarea.form-control{resize:vertical;min-height:120px;}
.consent{font-size:12.5px;color:var(--muted);background:var(--sky-2);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:20px;}
.form-status{display:none;padding:14px 16px;border-radius:11px;font-size:14.5px;margin-bottom:18px;}
.form-status.success{display:block;background:#E9F9EF;color:#1B7A44;border:1px solid #BFEBD0;}
.form-status.error{display:block;background:#FDECEC;color:#B3261E;border:1px solid #F5C6C0;}
.btn-submit{width:100%;justify-content:center;}

/* ============ Footer ============ */
.footer{background:var(--navy-900);color:rgba(255,255,255,.75);position:relative;overflow:hidden;}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--navy),var(--teal),var(--navy));}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:70px 0 46px;}
.footer .brand img{height:58px;}
.footer .f-about{font-size:14.5px;max-width:360px;margin-top:18px;}
.footer h5{color:#fff;font-size:16px;margin-bottom:20px;letter-spacing:.3px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--teal-bright);padding-left:6px;}
.footer-contact li{display:flex;gap:12px;margin-bottom:14px;font-size:14.5px;align-items:flex-start;}
.footer-contact svg{width:18px;height:18px;color:var(--teal-bright);flex:none;margin-top:3px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:24px 0;text-align:center;}
.footer-bottom .disclaimer{font-size:13px;max-width:820px;margin:0 auto 16px;color:rgba(255,255,255,.6);}
.footer-bottom .copy{font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom .credit{font-size:13px;color:rgba(255,255,255,.55);margin-top:14px;letter-spacing:.3px;}
.footer-bottom .credit a{color:var(--teal-bright);font-weight:600;transition:color .3s var(--ease);}
.footer-bottom .credit a:hover{color:#fff;}

/* ============ Back to top ============ */
.to-top{
  position:fixed;right:24px;bottom:26px;z-index:900;width:52px;height:52px;border-radius:50%;
  background:var(--grad);color:#fff;display:grid;place-items:center;cursor:pointer;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(14px);
  transition:all .4s var(--ease);border:0;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{transform:translateY(-4px);}
.to-top svg{width:22px;height:22px;}