/* Enerena landing page v2
   Colours come from the logo. Font: Inter (self-hosted). */

@font-face{font-family:Inter;src:url('../assets/fonts/InterStatic-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Inter;src:url('../assets/fonts/InterStatic-SemiBold.woff2') format('woff2');font-weight:500 600;font-style:normal;font-display:swap}
@font-face{font-family:Inter;src:url('../assets/fonts/InterStatic-Bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}

:root{
  --green-400:#22C566;
  --green-600:#0A8650;
  --green-700:#087044;
  --green-900:#033B2C;
  --ink:#081C1A;
  --text:#3A4A46;
  --muted:#5F716C;
  --surface:#F2FAF5;
  --border:#DCEBE2;
  --white:#FFFFFF;
  --error:#B42318;
  --brand-gradient:linear-gradient(135deg,#22C566 0%,#0A8650 50%,#033B2C 100%);
  --font:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --radius:14px;
  --wrap:1180px;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.65;color:var(--text);background:var(--white);-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
h1,h2,h3{color:var(--ink);font-weight:700;letter-spacing:-.035em;line-height:1.1;margin:0;text-wrap:balance}
p{margin:0}
a{color:var(--green-700)}
ul,ol{margin:0;padding:0;list-style:none}
strong{font-weight:600}
:focus-visible{outline:3px solid var(--green-400);outline-offset:3px;border-radius:6px}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.wrap{width:min(var(--wrap),100% - 48px);margin-inline:auto}
.skip-link{position:absolute;left:16px;top:-60px;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px;z-index:100}
.skip-link:focus{top:12px}
[hidden]{display:none!important}

/* ---------- Buttons & links ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 26px;border-radius:12px;border:0;background:var(--green-600);color:#fff;font:600 15px/1 var(--font);text-decoration:none;cursor:pointer;transition:background .15s}
.btn:hover{background:var(--green-700)}
.btn:disabled{background:#B9D3C4;color:#fff;cursor:not-allowed}
.btn-small{min-height:42px;padding:0 18px;font-size:15px}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--surface)}
.btn-block{width:100%}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px}
.brand img{width:150px;height:auto}
.site-nav{display:flex;align-items:center;gap:30px}
.site-nav a:not(.btn){color:var(--ink);font-weight:500;font-size:15px;text-decoration:none}
.site-nav a:not(.btn):hover{color:var(--green-600)}
.menu-toggle{display:none}
.back{color:var(--ink);font-weight:500;text-decoration:none}
.back:hover{color:var(--green-600)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--white) 0%,var(--surface) 100%)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;min-height:max(640px,calc(100svh - 77px));padding-block:48px}
.status{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:500;color:var(--green-700)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green-400);box-shadow:0 0 0 5px rgba(34,197,102,.18)}
.hero h1{font-size:clamp(60px,6.4vw,82px);line-height:1.025;letter-spacing:-.055em;margin:24px 0 24px}
.hero h1 span{color:var(--green-600)}
.lead{font-size:21px;line-height:1.5;font-weight:600;letter-spacing:-.025em;max-width:28ch;color:var(--ink)}

.role-switch{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:34px}
.role-switch-label{font-weight:500;color:var(--ink);margin-right:4px}
.role-switch button{font:500 15px/1 var(--font);color:var(--ink);background:#fff;border:1.5px solid var(--border);border-radius:999px;padding:11px 18px;cursor:pointer;transition:border-color .15s,background .15s,color .15s}
.role-switch button:hover{border-color:var(--green-600)}
.role-switch button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.role-copy{margin-top:20px}
.role-copy p{max-width:44ch;margin-bottom:24px;font-size:15px;line-height:1.75}

.hero-visual{position:relative;display:grid;place-items:center;min-height:470px}
.hex-outline{position:absolute;width:min(440px,100%);height:auto;fill:none;stroke:var(--border);stroke-width:1.5}
.hex-outline path:first-child{stroke:#C9E3D3}
.preview{position:relative;width:min(400px,100%);background:#fff;border:1px solid var(--border);border-radius:18px;padding:24px;box-shadow:0 24px 60px -24px rgba(3,59,44,.28)}
.preview[data-animate]{animation:swap .35s ease}
@keyframes swap{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.preview-head{display:flex;gap:14px;align-items:center}
.preview-head strong{display:block;color:var(--ink);font-size:17px}
.preview-head div span{font-size:14px;color:var(--muted)}
.preview-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--brand-gradient);color:#fff}
.preview-sub{margin:18px 0 10px;font-size:14px;font-weight:600;color:var(--ink)}
.offer-list{margin-top:18px}
.offer-list li{display:grid;grid-template-columns:104px 1fr auto;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--border);border-radius:12px;margin-top:8px;font-size:14px}
.o-name{font-weight:600;color:var(--ink)}
.bar{height:8px;border-radius:8px;background:linear-gradient(90deg,#DCEBE2 var(--w),transparent var(--w))}
.o-tag,.o-stock{font-size:12px;font-weight:600;padding:4px 8px;border-radius:6px;white-space:nowrap}
.o-tag{color:#fff;background:var(--green-600)}
.o-stock{color:var(--green-700);background:var(--surface)}
.offer-list .is-best{border-color:var(--green-600);box-shadow:0 0 0 3px rgba(10,134,80,.12)}
.choice-row{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.choice-row span{text-align:center;font-size:13px;font-weight:600;color:var(--ink);padding:9px 4px;border:1px solid var(--border);border-radius:9px}
.choice-row .is-on{background:var(--ink);border-color:var(--ink);color:#fff}
.enquiry{margin:18px 0 20px}
.enquiry div{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--border);font-size:15px}
.enquiry dt{color:var(--muted)}
.enquiry dd{margin:0;color:var(--ink);font-weight:600;text-align:right}
.fake-btn{display:flex;justify-content:center;padding:13px;border-radius:10px;background:var(--ink);color:#fff;font-weight:600;font-size:15px}
.product-list{margin-top:18px}
.product-list li{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--border);font-size:15px;color:var(--ink);font-weight:600}
.product-list li:last-child{border-bottom:0}
.product-list .icon{color:var(--green-600)}
.product-list em{margin-left:auto;font-style:normal;font-size:13px;font-weight:600;color:var(--green-700);background:var(--surface);padding:4px 8px;border-radius:6px;white-space:nowrap}
.preview-note{position:absolute;bottom:0;font-size:13px;color:var(--muted)}

/* ---------- Sections ---------- */
.section{padding-block:104px}
.section-tint{background:var(--surface)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:48px;margin-bottom:56px}
.section-head h2,.faq-grid h2,.join-copy h2{font-size:clamp(32px,3.4vw,44px)}
.section-head h2{max-width:16ch}
.section-head p{max-width:38ch;font-size:18px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.step-icon{display:grid;place-items:center;width:56px;height:56px;border-radius:16px;background:var(--surface);color:var(--green-600);margin-bottom:22px}
.step-icon .icon{width:26px;height:26px}
.steps h3{font-size:26px;margin-bottom:10px}

.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.ticks li{position:relative;padding-left:30px;margin-top:12px}
.ticks li::before{content:"";position:absolute;left:0;top:.38em;width:18px;height:18px;border-radius:50%;background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230A8650' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/12px no-repeat}

/* ---------- Partners ---------- */
.partners{position:relative;overflow:hidden;background:var(--ink);color:#C9DAD3}
.partners::after{content:"";position:absolute;right:-140px;bottom:-120px;width:420px;height:460px;background:var(--brand-gradient);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);opacity:.2}
.partners-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding-block:100px}
.partners h2{color:#fff;font-size:clamp(32px,3.4vw,44px);margin-bottom:20px}
.partners p{max-width:44ch}
.partners .btn{margin-top:32px}
.partner-cols{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.partner-cols h3{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.14)}
.partner-cols h3 .icon{color:var(--green-400)}
.ticks-light li{color:#fff;font-size:16px}
.ticks-light li::before{background-color:rgba(255,255,255,.12);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2322C566' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E")}

/* ---------- Join form ---------- */
.join-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.join-copy p{margin-top:20px;max-width:40ch;font-size:18px}
.join-copy .muted{font-size:15px;color:var(--muted)}
.join-form{background:#fff;border:1px solid var(--border);border-radius:18px;padding:36px;box-shadow:0 24px 60px -32px rgba(3,59,44,.25)}
.roles{border:0;padding:0;margin:0 0 22px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.roles legend{font-weight:600;color:var(--ink);margin-bottom:10px;padding:0}
.roles label{position:relative}
.roles input{position:absolute;opacity:0;inset:0;cursor:pointer}
.roles span{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 8px;border:1.5px solid var(--border);border-radius:12px;font-weight:600;font-size:15px;color:var(--ink);text-align:center}
.roles .icon{color:var(--green-600)}
.roles input:checked + span{border-color:var(--green-600);background:var(--surface)}
.roles input:focus-visible + span{outline:3px solid var(--green-400);outline-offset:2px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;color:var(--ink);font-size:15px;margin-bottom:7px}
.optional{font-weight:400;color:var(--muted)}
.field input,.field select{width:100%;min-height:50px;padding:0 14px;border:1.5px solid #C4D8CC;border-radius:10px;font:16px var(--font);color:var(--ink);background:#fff}
.field select{appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23081C1A' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 14px center/18px no-repeat;padding-right:42px}
.field input:focus,.field select:focus{outline:none;border-color:var(--green-600);box-shadow:0 0 0 4px rgba(10,134,80,.15)}
.field input[aria-invalid="true"]{border-color:var(--error)}
.hint{font-size:14px;color:var(--muted);margin-top:6px}
.error{color:var(--error);font-size:14px;margin-top:6px}
.trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.consent{margin-bottom:14px}
.consent label{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink);cursor:pointer}
.consent input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--green-600);flex-shrink:0}
.consent input[aria-invalid="true"]{outline:2px solid var(--error);outline-offset:2px}
.join-form .btn-block{margin-top:10px}
.form-note{margin-top:14px;font-size:14px;color:var(--muted);text-align:center}
.form-status{margin-top:16px;padding:14px 16px;border-radius:10px;font-size:15px}
.form-status.is-success{background:var(--surface);color:var(--green-900);border:1px solid #B6DCC6}
.form-status.is-error{background:#FEF3F2;color:var(--error);border:1px solid #F5C2BC}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}
.faq details{border-top:1px solid #CFE3D7}
.faq details:last-child{border-bottom:1px solid #CFE3D7}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;font-weight:600;font-size:18px;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:11px;height:11px;border-right:2px solid var(--green-600);border-bottom:2px solid var(--green-600);transform:rotate(45deg) translateY(-3px);transition:transform .2s;flex-shrink:0}
.faq details[open] summary::after{transform:rotate(-135deg) translateY(-3px)}
.faq details p{padding-bottom:22px;max-width:62ch}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#A9BDB6;font-size:15px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding-block:48px 32px;flex-wrap:wrap}
.footer-brand img{width:140px;height:auto}
.footer-brand p{margin-top:10px}
.footer-nav{display:flex;gap:26px;flex-wrap:wrap}
.footer-nav a{color:#fff;text-decoration:none;font-weight:500}
.footer-nav a:hover{text-decoration:underline}
.footer-base{border-top:1px solid rgba(255,255,255,.1);padding-block:22px;font-size:14px}

/* ---------- Legal & error pages ---------- */
.legal{max-width:760px;padding-block:72px 104px}
.legal h1{font-size:clamp(42px,5.6vw,64px);margin-bottom:14px}
.legal .updated{color:var(--muted);font-size:15px}
.legal h2{font-size:24px;margin:46px 0 12px}
.legal p,.legal li{margin-top:12px}
.legal ul{list-style:disc;padding-left:22px}
.summary-box{margin-top:34px;padding:24px 28px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.summary-box strong{color:var(--ink)}
.error-page{min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding-block:96px}
.error-page h1{font-size:clamp(46px,7vw,88px);margin-bottom:18px}
.error-page p{margin-bottom:28px;max-width:44ch}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:40px;min-height:0;padding-block:48px 64px}
  .hero-visual{min-height:440px}
  .section{padding-block:80px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .steps{grid-template-columns:1fr;gap:28px}
  .faq-grid,.join-grid,.partners-grid{grid-template-columns:1fr;gap:40px}
}
@media (max-width:760px){
  body{font-size:16px}
  .wrap{width:calc(100% - 40px)}
  .brand img{width:132px}
  .menu-toggle{display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border:1.5px solid var(--border);border-radius:10px;background:#fff;font:600 15px var(--font);color:var(--ink);cursor:pointer}
  .site-nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;background:#fff;border-bottom:1px solid var(--border);display:none}
  .site-nav.is-open{display:flex}
  .site-nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--border);font-size:16px}
  .site-nav .btn{margin-top:16px;min-height:50px}
  .hero h1{font-size:clamp(52px,14vw,72px)}
  .lead{font-size:19px}
  .role-switch{gap:6px}
  .role-switch-label{margin-right:2px}
  .role-switch button{font-size:14px;padding:10px 13px}
  .partner-cols{grid-template-columns:1fr;gap:28px}
  .partners::after{right:-240px;opacity:.14}
  .join-form{padding:24px 20px}
  .roles span{font-size:14px;padding:12px 4px}
  .offer-list li{grid-template-columns:92px 1fr auto;gap:10px;padding:11px 12px}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .footer-nav{gap:16px 24px}
}