/* Sustainia Academy — site styles */
:root{
  --navy:#29398a; --navy-900:#1b2560; --navy-50:#eef0fa;
  --green:#5f8a1c; --green-300:#87c13f; --green-50:#f1f7e8;
  --orange:#f18e1d; --yellow:#efd035; --red:#eb5b2a;
  --ink:#1c2233; --muted:#5a6275; --line:#e3e6ee; --bg:#ffffff; --bg-soft:#f7f8fb; --cream:#fbfaf3;
  --radius:14px; --shadow:0 10px 30px rgba(27,37,96,.08);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy)}
a:hover{color:var(--navy-900)}
h1,h2,h3,h4{font-family:'DM Sans',system-ui,sans-serif;line-height:1.15;color:var(--navy-900);margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.3rem,5vw,3.6rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.5rem)}
h3{font-size:1.3rem}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:10px;top:10px}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand img{height:40px;width:auto}
.nav{display:flex;align-items:center;gap:26px}
.nav a{text-decoration:none;color:var(--ink);font-weight:500;font-size:.97rem}
.nav a[aria-current=page]{color:var(--navy);box-shadow:inset 0 -2px 0 var(--green-300)}
.nav .btn{color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer}
.menu-btn span{display:block;width:22px;height:2px;background:var(--navy);margin:4px 0}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a{padding:12px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:14px;width:auto;border:0}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--navy);color:#fff;text-decoration:none;font-weight:600;padding:13px 22px;border-radius:999px;border:2px solid var(--navy);font-size:.98rem;cursor:pointer;font-family:inherit;transition:transform .15s,background .15s}
.btn:hover{background:var(--navy-900);color:#fff;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--navy)}
.btn.ghost:hover{background:var(--navy-50);color:var(--navy-900)}
.btn.green{background:var(--green);border-color:var(--green)}
.btn.green:hover{background:#4c7016}
.btn.light{background:#fff;color:var(--navy-900);border-color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* sections */
section{padding:88px 0}
.soft{background:var(--bg-soft)}
.cream{background:var(--cream)}
.navy{background:var(--navy-900);color:#e8ebf7}
.navy h2,.navy h3{color:#fff}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green);margin-bottom:12px}
.navy .eyebrow{color:var(--green-300)}
.lead{font-size:1.18rem;color:var(--muted);max-width:680px}
.navy .lead{color:#c9cfe8}
.section-head{max-width:760px;margin-bottom:44px}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* hero */
.hero{padding:72px 0 64px;background:linear-gradient(180deg,var(--cream),#fff)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1 span{color:var(--green)}
.hero .lead{font-size:1.22rem}
.hero-img{position:relative}
.hero-img img{border-radius:22px;box-shadow:var(--shadow);aspect-ratio:4/3.2;object-fit:cover;width:100%}
.hero-tag{position:absolute;left:-18px;bottom:-18px;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:14px 18px;font-size:.9rem;font-weight:600;color:var(--navy-900);display:flex;gap:10px;align-items:center}
.hero-tag .dot{width:10px;height:10px;border-radius:50%;background:var(--green-300)}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:36px}.hero-tag{left:12px}}

/* page hero */
.page-hero{padding:72px 0 48px;background:linear-gradient(180deg,var(--cream),#fff)}
.page-hero h1{max-width:820px}

/* logos */
.logos{padding:44px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.logos p{text-align:center;color:var(--muted);font-size:.9rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-bottom:22px}
.logo-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:18px;align-items:center}
.logo-grid li{list-style:none;display:flex;align-items:center;justify-content:center;height:84px;padding:8px}
.logo-grid img{max-height:64px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.75;transition:filter .2s,opacity .2s}
.logo-grid img:hover{filter:none;opacity:1}
.logo-grid{padding:0;margin:0}
@media (max-width:980px){.logo-grid{grid-template-columns:repeat(4,1fr)}}
@media (max-width:520px){.logo-grid{grid-template-columns:repeat(2,1fr)}}

/* cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.grid-3,.grid-2,.grid-4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 2px 0 rgba(0,0,0,.02)}
.card h3{margin-top:6px}
.card p:last-child{margin-bottom:0}
.pillar{position:relative;overflow:hidden}
.pillar .tag{font-family:'DM Sans';font-weight:700;font-size:2rem;color:var(--navy)}
.pillar::before{content:"";position:absolute;left:0;top:0;right:0;height:5px;background:var(--c,var(--green-300))}
.pillar a.more{font-weight:600;text-decoration:none}
.pillar a.more::after{content:" →"}

/* feature split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev>:first-child{order:2}
.split img{border-radius:18px;box-shadow:var(--shadow);width:100%;object-fit:cover}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:32px}.split.rev>:first-child{order:0}}
.checks{list-style:none;padding:0;margin:0 0 1em}
.checks li{position:relative;padding-left:30px;margin-bottom:10px}
.checks li::before{content:"";position:absolute;left:0;top:.45em;width:18px;height:18px;border-radius:50%;background:var(--green-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' stroke='%235f8a1c' stroke-width='2.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
.meta{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.chip{display:inline-block;background:var(--navy-50);color:var(--navy-900);border-radius:999px;padding:5px 12px;font-size:.85rem;font-weight:600}
.chip.g{background:var(--green-50);color:#3f5d12}

/* ladder */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px;counter-reset:lvl}
.ladder li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;position:relative}
.ladder li:nth-child(1){border-top:5px solid var(--green-300)}
.ladder li:nth-child(2){border-top:5px solid var(--yellow)}
.ladder li:nth-child(3){border-top:5px solid var(--orange)}
.ladder li:nth-child(4){border-top:5px solid var(--navy)}
.ladder li::before{counter-increment:lvl;content:"Level " counter(lvl);display:block;font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.ladder strong{display:block;font-family:'DM Sans';font-size:1.1rem;color:var(--navy-900);margin:4px 0}
.ladder span{font-size:.92rem;color:var(--muted)}
.ladder{padding:0}
@media (max-width:900px){.ladder{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.ladder{grid-template-columns:1fr}}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;padding:0}
.steps li{list-style:none;position:relative;padding:20px 16px 16px;background:#fff;border-radius:12px;border:1px solid var(--line)}
.steps li::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;margin-bottom:10px}
.steps strong{display:block;color:var(--navy-900);margin-bottom:4px}
.steps span{font-size:.92rem;color:var(--muted)}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* method */
.rci{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rci .card{border-left:5px solid var(--c)}
.rci .letter{font-family:'DM Sans';font-weight:700;font-size:2.4rem;color:var(--c);line-height:1}
@media (max-width:760px){.rci{grid-template-columns:1fr}}

/* founders */
.founder{display:flex;gap:22px;align-items:flex-start}
.founder img{width:120px;height:120px;border-radius:50%;object-fit:cover;object-position:top;flex:none;border:4px solid #fff;box-shadow:var(--shadow)}
.founder .role{color:var(--green);font-weight:600;font-size:.92rem;margin-bottom:8px}
@media (max-width:520px){.founder{flex-direction:column}}

/* band */
.band{border-radius:22px;padding:48px;display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;background:linear-gradient(120deg,var(--navy-900),var(--navy));color:#e8ebf7}
.band h2{color:#fff}
.band.green{background:linear-gradient(120deg,#3f5d12,var(--green))}
@media (max-width:760px){.band{grid-template-columns:1fr;padding:32px}}

/* forms */
form .field{margin-bottom:16px}
label{display:block;font-weight:600;font-size:.95rem;margin-bottom:6px;color:var(--navy-900)}
input,select,textarea{width:100%;font:inherit;padding:12px 14px;border:1px solid #cdd2de;border-radius:10px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{border-color:var(--navy);outline:3px solid rgba(41,57,138,.15)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:var(--shadow)}
.inline-form{display:flex;gap:10px;flex-wrap:wrap}
.inline-form input{flex:1 1 240px;border:0}
.small{font-size:.86rem;color:var(--muted)}
.navy .small,.band .small{color:#b9c1e3}
.band .small a{color:#fff}
.hp{position:absolute;left:-5000px}

/* quiz */
.quiz fieldset{border:1px solid var(--line);border-radius:14px;padding:22px;margin:0 0 18px;background:#fff}
.quiz legend{font-family:'DM Sans';font-weight:700;color:var(--navy-900);padding:0 8px;font-size:1.1rem}
.q{padding:14px 0;border-top:1px solid var(--line)}
.q:first-of-type{border-top:0}
.q p{margin-bottom:10px;font-weight:500}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts label{margin:0;font-weight:500;font-size:.9rem;border:1px solid #cdd2de;border-radius:999px;padding:7px 14px;cursor:pointer;background:#fff;color:var(--ink)}
.opts input{position:absolute;opacity:0;width:1px;height:1px}
.opts input:checked+span{color:#fff}
.opts label:has(input:checked){background:var(--navy);border-color:var(--navy);color:#fff}
.opts label:has(input:focus-visible){outline:3px solid var(--orange);outline-offset:2px}
.progress{height:8px;background:var(--line);border-radius:99px;overflow:hidden;margin:8px 0 22px}
.progress i{display:block;height:100%;width:0;background:var(--green-300);transition:width .2s}
.result{display:none}
.result.show{display:block}
.score{font-family:'DM Sans';font-size:4rem;font-weight:700;color:var(--navy);line-height:1}
.bar{margin:12px 0}
.bar b{display:flex;justify-content:space-between;font-size:.95rem;color:var(--navy-900)}
.bar .track{height:12px;background:var(--line);border-radius:99px;overflow:hidden;margin-top:6px}
.bar .fill{height:100%;border-radius:99px;background:var(--c,var(--green))}

/* prose */
.prose{max-width:760px}
.prose h2{font-size:1.6rem;margin-top:1.6em}
.prose h3{margin-top:1.4em}

/* footer */
.site-footer{background:#11183f;color:#b9c1e3;padding:64px 0 28px;font-size:.95rem}
.site-footer a{color:#dfe4f7;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-grid h4{color:#fff;font-size:1rem;margin-bottom:12px}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin-bottom:8px}
.foot-logo{background:#fff;border-radius:12px;padding:10px 14px;display:inline-block;margin-bottom:14px}
.foot-logo img{height:34px;width:auto}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}

.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.anchor-nav a{text-decoration:none}
[id]{scroll-margin-top:90px}

/* v2 additions */
.stat{font-family:'DM Sans';font-weight:700;font-size:clamp(2.6rem,5vw,3.6rem);line-height:1;color:var(--navy)}
.stat-card .src{font-size:.8rem;color:var(--muted);margin-top:10px}
.stat-card .src a{color:var(--muted)}
.lenses{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;padding:0;margin:0}
.lenses li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;border-top:4px solid var(--c)}
.lenses strong{display:block;font-family:'DM Sans';color:var(--navy-900);font-size:1.05rem;margin-bottom:6px}
.lenses span{font-size:.92rem;color:var(--muted)}
@media (max-width:980px){.lenses{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.lenses{grid-template-columns:1fr}}
.statement{background:#fff;border-radius:22px;padding:56px;box-shadow:var(--shadow);position:relative;border:1px solid var(--line)}
.statement::before{content:"\201C";position:absolute;top:10px;left:34px;font-family:Georgia,serif;font-size:7rem;line-height:1;color:var(--green-300);opacity:.5}
.statement p{font-size:1.12rem;line-height:1.75}
.statement p.pull{font-family:'DM Sans';font-size:clamp(1.35rem,2.4vw,1.75rem);line-height:1.35;color:var(--navy-900);font-weight:500;margin-bottom:1.1em}
.signature{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);font-weight:600;color:var(--navy-900)}
.signature span{display:block;font-weight:400;color:var(--muted);font-size:.92rem}
@media (max-width:640px){.statement{padding:36px 24px}}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc-grid .card{display:flex;flex-direction:column}
.svc-grid .card .more{margin-top:auto;font-weight:600;text-decoration:none;padding-top:10px}
.svc-grid .card .more::after{content:" \2192"}
@media (max-width:900px){.svc-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.svc-grid{grid-template-columns:1fr}}
.kicker{font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.dl{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:22px}
.dl div{background:var(--bg-soft);border-radius:12px;padding:18px}
.dl h4{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--green);margin-bottom:8px}
.dl p,.dl ul{font-size:.95rem;margin:0}
.dl ul{padding-left:18px}
@media (max-width:760px){.dl{grid-template-columns:1fr}}