/* SUST Landing Page - minimal, fast, Astra-friendly */
:root{
  --sust-teal:#0E8A87;
  --sust-teal-2:#A8D3CC;
  --sust-orange:#F39C6B;
  --sust-dark:#0F1F1E;
  --sust-ink:#0b1212;
  --sust-bg:#ffffff;
  --sust-soft:#F5FAF9;
  --radius:18px;
  --shadow:0 18px 45px rgba(0,0,0,.10);
}

.sust-lp{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
  color: var(--sust-ink);
}

/* Astra sometimes adds padding; neutralize for our full-width sections */
.sust-lp *{box-sizing:border-box;}
.sust-container{
  width:min(1240px, calc(100% - 48px));
  margin:0 auto;
}

.sust-nav{
  position:sticky; top:0; z-index:999;
  background:rgba(255,255,255,.78);
  backdrop-filter: blur(10px);
  border-bottom:1px solid rgba(0,0,0,.06);
}
.sust-nav__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 0;
  gap:18px;
}
.sust-brand__logo{height:38px; width:auto; display:block;}
.sust-nav__links{display:flex; gap:16px; align-items:center; flex-wrap:wrap;}
.sust-nav__links a{
  text-decoration:none;
  color:rgba(0,0,0,.75);
  font-weight:600;
  font-size:14px;
}
.sust-nav__links a:hover{color:var(--sust-teal);}
.sust-nav__cta{
  padding:10px 14px;
  border-radius:999px;
  background:var(--sust-teal);
  color:#fff !important;
}
.sust-nav__cta:hover{filter:brightness(.95);}

/* HERO */
.sust-hero{
  position:relative;
  padding:72px 0 48px;
  overflow:hidden;
  background:
    radial-gradient(900px 420px at 85% 25%, rgba(14,138,135,.12), transparent 55%),
    radial-gradient(700px 380px at 10% 10%, rgba(243,156,107,.14), transparent 60%),
    linear-gradient(#fff, #fff);
}
.sust-hero:before{
  content:"";
  position:absolute; inset:-80px -120px auto auto;
  width:420px; height:420px;
  background: radial-gradient(circle at 30% 30%, rgba(14,138,135,.22), rgba(14,138,135,0) 60%);
  border-radius: 55% 45% 60% 40% / 55% 45% 55% 45%;
  transform: rotate(10deg);
}
.sust-hero:after{
  content:"";
  position:absolute; inset:auto auto -140px -160px;
  width:520px; height:520px;
  background: radial-gradient(circle at 60% 40%, rgba(168,211,204,.60), rgba(168,211,204,0) 62%);
  border-radius: 60% 40% 45% 55% / 45% 55% 40% 60%;
  transform: rotate(-14deg);
}
.sust-hero__inner{
  position:relative;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:32px;
  align-items:center;
}
.sust-hero__badge{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(14,138,135,.12);
  color:var(--sust-teal);
  font-weight:800;
  letter-spacing:.12em;
  font-size:12px;
  margin-bottom:10px;
}
.sust-hero h1{
  margin:0 0 10px;
  font-size: clamp(34px, 4.5vw, 56px);
  line-height:1.08;
  color: var(--sust-teal);
}
.sust-lead{
  margin:0 0 18px;
  font-size:18px;
  line-height:1.6;
  max-width: 58ch;
  color: rgba(0,0,0,.72);
}
.sust-btnrow{display:flex; gap:12px; flex-wrap:wrap; margin: 14px 0 18px;}
.sust-btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius:999px;
  text-decoration:none;
  font-weight:700;
  border:1px solid transparent;
}
.sust-btn--primary{background:var(--sust-teal); color:#fff;}
.sust-btn--primary:hover{filter:brightness(.96);}
.sust-btn--ghost{background:transparent; color:var(--sust-teal); border-color:rgba(14,138,135,.35);}
.sust-btn--ghost:hover{background:rgba(14,138,135,.08);}
.sust-mini-kpis{display:flex; gap:18px; flex-wrap:wrap; margin-top:8px;}
.sust-mini-kpi{display:flex; flex-direction:column; gap:2px;}
.sust-mini-kpi strong{font-size:18px; color:var(--sust-dark);}
.sust-mini-kpi span{font-size:12px; color:rgba(0,0,0,.60);}

.sust-hero__visual{
  display:flex; flex-direction:column; gap:14px;
  align-items:stretch;
}
.sust-card{
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:16px 16px 14px;
}
.sust-card--glass{
  background:rgba(255,255,255,.72);
  border:1px solid rgba(0,0,0,.06);
}
.sust-card--dark{
  background: var(--sust-dark);
  color:#fff;
}
.sust-card__title{font-weight:800; margin-bottom:8px;}
.sust-card__meta{font-size:13px; opacity:.85; margin-top:6px;}
.sust-spark{display:flex; gap:6px; align-items:flex-end; height:48px;}
.sust-spark span{
  width:12px; border-radius: 8px;
  background: linear-gradient(180deg, rgba(14,138,135,.90), rgba(168,211,204,.75));
}
.sust-spark span:nth-child(1){height:18px}
.sust-spark span:nth-child(2){height:36px}
.sust-spark span:nth-child(3){height:24px}
.sust-spark span:nth-child(4){height:44px}
.sust-spark span:nth-child(5){height:30px}

/* SECTIONS */
.sust-section{padding:72px 0;}
.sust-section h2{
  margin:0 0 18px;
  font-size: clamp(26px, 3vw, 38px);
  line-height:1.15;
}
.sust-section--dark{
  background: var(--sust-dark);
  color:#fff;
}
.sust-section--dark h2{color:#fff;}
.sust-section--accent{
  background: var(--sust-orange);
  color: var(--sust-dark);
}
.sust-muted{color: rgba(0,0,0,.65);}
.sust-section--dark .sust-muted{color: rgba(255,255,255,.75);}

.sust-grid-2{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
.sust-grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:18px;}
.sust-grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:16px;}

.sust-stat{
  border-radius: var(--radius);
  padding:18px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.06);
}
.sust-stat__num{
  font-size:36px; font-weight:900;
  color: var(--sust-teal-2);
}
.sust-stat__label{font-weight:800; margin-top:6px;}
.sust-stat__sub{opacity:.86; margin-top:6px; font-size:13px;}
.sust-stat--list ul{margin:10px 0 0 18px;}
.sust-stat--list li{margin:6px 0; opacity:.92;}

.sust-feature{
  border-radius: var(--radius);
  border:1px solid rgba(0,0,0,.08);
  background:#fff;
  padding:16px;
  box-shadow: 0 10px 25px rgba(0,0,0,.06);
}
.sust-feature h3{margin:0 0 10px; font-size:16px; color:var(--sust-teal);}
.sust-feature ul{margin:0 0 0 18px; color: rgba(0,0,0,.72);}
.sust-feature li{margin:6px 0;}

.sust-split{
  margin-top:22px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  align-items:center;
}
.sust-split--thin{grid-template-columns:1.05fr .95fr;}
.sust-result-img{
  width:100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border:1px solid rgba(0,0,0,.08);
  display:block;
}
.sust-placeholder{
  border-radius: var(--radius);
  padding:28px;
  border:1px dashed rgba(0,0,0,.25);
  color: rgba(0,0,0,.55);
  background: var(--sust-soft);
}
.sust-bullets{display:flex; flex-direction:column; gap:8px; color: rgba(0,0,0,.78); font-weight:600;}
.sust-section--dark .sust-bullets{color: rgba(255,255,255,.88);}

.sust-box{
  border-radius: var(--radius);
  padding:18px;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
}
.sust-box h3{margin-top:0; color: var(--sust-teal-2);}
.sust-kpis{display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-top:10px;}
.sust-kpi{
  border-radius: 14px;
  background: rgba(255,255,255,.10);
  padding:12px;
  text-align:center;
}
.sust-kpi strong{display:block; font-size:20px; color:#fff;}
.sust-kpi span{font-size:12px; opacity:.85;}

.sust-card2{
  border-radius: var(--radius);
  border:1px solid rgba(0,0,0,.08);
  background:#fff;
  padding:18px;
  box-shadow: 0 10px 25px rgba(0,0,0,.06);
}
.sust-card2__top{font-weight:900; color:var(--sust-teal); letter-spacing:.08em;}
.sust-card2__num{font-size:26px; font-weight:900; margin-top:10px;}
.sust-card2__txt{margin-top:6px; color: rgba(0,0,0,.65);}

.sust-list{margin:10px 0 0 18px;}
.sust-list li{margin:7px 0;}

.sust-timeline{display:flex; flex-direction:column; gap:10px; margin-top:10px;}
.sust-step{
  display:flex; gap:10px; align-items:flex-start;
  border-radius: 14px;
  border:1px solid rgba(0,0,0,.08);
  background:#fff;
  padding:12px 12px;
}
.sust-step span{
  min-width:42px;
  font-weight:900;
  color: var(--sust-orange);
}
.sust-step div{color: rgba(0,0,0,.70);}

.sust-team{
  margin-top:18px;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:14px;
}
.sust-person{
  border-radius: var(--radius);
  border:1px solid rgba(0,0,0,.08);
  background:#fff;
  padding:14px;
  text-align:center;
  box-shadow: 0 10px 25px rgba(0,0,0,.06);
}
.sust-avatar{
  width:86px; height:86px;
  border-radius:50%;
  margin:0 auto 10px;
  background: radial-gradient(circle at 30% 30%, rgba(14,138,135,.18), rgba(168,211,204,.50));
  border:1px solid rgba(0,0,0,.06);
}
.sust-person strong{display:block;}
.sust-person span{display:block; margin-top:4px; font-size:12px; color: rgba(0,0,0,.55);}

.sust-section--accent .sust-muted{color: rgba(15,31,30,.78);}
.sust-lead2{font-size:18px; line-height:1.6; margin-top:10px;}
.sust-btn--dark{background: var(--sust-dark); color:#fff;}
.sust-btn--dark:hover{filter:brightness(.95);}
.sust-btn--ghostdark{background:transparent; color:var(--sust-dark); border-color:rgba(15,31,30,.35);}
.sust-btn--ghostdark:hover{background:rgba(15,31,30,.08);}

.sust-contactcard{
  border-radius: var(--radius);
  background: rgba(255,255,255,.30);
  border:1px solid rgba(15,31,30,.15);
  padding:18px;
}
.sust-mini{margin-top:12px; display:flex; flex-direction:column; gap:6px;}
.sust-mini strong{color:var(--sust-dark);}

.sust-footer{
  background:#fff;
  border-top:1px solid rgba(0,0,0,.06);
  padding:22px 0;
}
.sust-footer__inner{
  display:flex; justify-content:space-between; align-items:center; gap:18px; flex-wrap:wrap;
}
.sust-footer__brand{display:flex; align-items:center; gap:12px;}
.sust-footer__logo{height:34px; width:auto;}
.sust-footer__title{font-weight:900;}
.sust-footer__tag{font-size:12px; color: rgba(0,0,0,.60);}
.sust-footer__right{display:flex; gap:14px; align-items:center; color: rgba(0,0,0,.60); font-size:12px;}
.sust-footer__right a{text-decoration:none; color: var(--sust-teal); font-weight:700;}

/* Responsive */
@media (max-width: 980px){
  .sust-hero__inner{grid-template-columns:1fr; }
  .sust-hero__visual{order:-1;}
  .sust-grid-4{grid-template-columns:repeat(2,1fr);}
  .sust-grid-3{grid-template-columns:1fr;}
  .sust-grid-2{grid-template-columns:1fr;}
  .sust-split{grid-template-columns:1fr;}
  .sust-team{grid-template-columns:repeat(2,1fr);}
}
@media (max-width: 520px){
  .sust-container{width: calc(100% - 28px);}
  .sust-grid-4{grid-template-columns:1fr;}
  .sust-team{grid-template-columns:1fr;}
  .sust-nav__links{display:none;}
}