/* Website publik PT Daya Surya Lestari — dayasurya.id. Tanpa pustaka luar (CSP 'self'). Warna dari logo DSL. */
:root{
  --navy:#0b2f5c; --biru:#0a6fc0; --biru-muda:#e8f2fc; --hijau:#3f8f2a; --hijau-muda:#ecf6e6; --jingga:#f39a1e; --kuning:#ffd23f;
  --tinta:#13243a; --tinta2:#43566d; --garis:#dbe4ee; --latar:#ffffff; --latar2:#f5f8fc; --merah:#c0392b;
  --bayang:0 10px 30px rgba(11,47,92,.10); --rad:16px;
  --huruf:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--huruf);color:var(--tinta);background:var(--latar);line-height:1.6;font-size:16.5px}
img{max-width:100%;display:block}
a{color:var(--biru)}
h1,h2,h3{line-height:1.2;color:var(--navy);margin:0 0 .5em}
h1{font-size:clamp(30px,6vw,52px);letter-spacing:-.02em}
h2{font-size:clamp(25px,4vw,36px);letter-spacing:-.01em}
h3{font-size:19px}
p{margin:0 0 1em}
.wadah{width:min(1120px,100% - 32px);margin-inline:auto}
.kecil{font-size:13.5px;color:var(--tinta2)}
.tengah{text-align:center}
[id]{scroll-margin-top:76px}

/* ---------- kepala ---------- */
.kepala{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--garis)}
.kepala .wadah{display:flex;align-items:center;gap:16px;height:64px}
.merek{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font-weight:700;font-size:17px;line-height:1.1}
.merek img{width:40px;height:40px}
.merek small{display:block;font-weight:500;font-size:11.5px;color:var(--tinta2)}
.nav{margin-left:auto;display:flex;gap:4px;align-items:center}
.nav a{text-decoration:none;color:var(--tinta);font-size:15px;padding:8px 10px;border-radius:8px}
.nav a:hover{background:var(--latar2)}
.tombol-menu{display:none;margin-left:auto;border:1px solid var(--garis);background:#fff;border-radius:10px;width:44px;height:40px;font-size:20px;cursor:pointer}
@media (max-width:900px){
  .tombol-menu{display:block}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:8px 16px 16px;border-bottom:1px solid var(--garis);box-shadow:var(--bayang)}
  .nav.buka{display:flex}
  .nav a{padding:12px}
}

/* ---------- tombol ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:999px;font-weight:700;font-size:16px;
  text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px)}
.btn.utama{background:var(--jingga);color:#1b1205;box-shadow:0 8px 22px rgba(243,154,30,.35)}
.btn.wa{background:#1fa855;color:#fff;box-shadow:0 8px 22px rgba(31,168,85,.30)}
.btn.garis{background:#fff;color:var(--navy);border-color:var(--navy)}
.btn.kecil{padding:9px 16px;font-size:14.5px}
.btn svg{width:20px;height:20px;flex:none}
.nav .btn{margin-left:6px;padding:9px 16px;font-size:14.5px;color:#fff}

/* ---------- pembuka ---------- */
.pembuka{background:linear-gradient(180deg,#dff0ff 0%,#f4faff 60%,#fff 100%);overflow:hidden}
.pembuka .wadah{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;padding:56px 0 40px}
.lencana{display:inline-block;background:#fff;border:1px solid var(--garis);color:var(--navy);font-size:13.5px;font-weight:600;padding:6px 12px;border-radius:999px;margin-bottom:16px}
.pembuka p.lead{font-size:clamp(17px,2.2vw,20px);color:var(--tinta2);max-width:34em}
.aksi{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
.janji{display:flex;flex-wrap:wrap;gap:8px 18px;padding:0;margin:0;list-style:none;font-size:14.5px;color:var(--tinta2)}
.janji li::before{content:"✓ ";color:var(--hijau);font-weight:800}
.ilustrasi{position:relative;aspect-ratio:1/0.86}
.ilustrasi svg{width:100%;height:100%}
.matahari{transform-origin:400px 92px;animation:putar 40s linear infinite}
.sinar-tenaga{stroke-dasharray:6 10;animation:alir 1.4s linear infinite}
@keyframes putar{to{transform:rotate(360deg)}}
@keyframes alir{to{stroke-dashoffset:-32}}
@media (prefers-reduced-motion:reduce){.matahari,.sinar-tenaga{animation:none}}
@media (max-width:900px){.pembuka .wadah{grid-template-columns:1fr;padding-top:32px}.ilustrasi{max-width:440px;margin:0 auto}}

/* ---------- bagian umum ---------- */
.bagian{padding:72px 0}
.bagian.abu{background:var(--latar2)}
.bagian .kepala-bagian{max-width:720px;margin:0 auto 36px;text-align:center}
.bagian .kepala-bagian p{color:var(--tinta2);font-size:17px}
.label-bagian{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--biru);margin-bottom:8px}
.kisi{display:grid;gap:20px}
.k2{grid-template-columns:repeat(2,1fr)} .k3{grid-template-columns:repeat(3,1fr)} .k4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.k3,.k4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.k2,.k3,.k4{grid-template-columns:1fr}}
.kartu{background:#fff;border:1px solid var(--garis);border-radius:var(--rad);padding:24px;box-shadow:var(--bayang)}
.kartu .ikon{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:24px;margin-bottom:12px;background:var(--biru-muda)}
.kartu p:last-child{margin-bottom:0}

/* ---------- video ---------- */
.video{position:relative;max-width:420px;margin:0 auto;aspect-ratio:9/16;border-radius:22px;overflow:hidden;background:linear-gradient(160deg,var(--navy),#0a6fc0);
  box-shadow:0 20px 50px rgba(11,47,92,.30);color:#fff;display:grid;place-items:center;text-align:center}
.video button{all:unset;cursor:pointer;display:grid;place-items:center;gap:14px;width:100%;height:100%}
.video .putar{width:84px;height:84px;border-radius:50%;background:var(--jingga);display:grid;place-items:center;box-shadow:0 0 0 12px rgba(243,154,30,.25)}
.video .putar::after{content:"";border-left:26px solid #1b1205;border-top:16px solid transparent;border-bottom:16px solid transparent;margin-left:6px}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video .segera{padding:24px;font-size:15px;opacity:.9}
.video-wadah{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media (max-width:820px){.video-wadah{grid-template-columns:1fr}}

/* ---------- manfaat & keterbatasan ---------- */
.catatan-jujur{border-left:4px solid var(--jingga);background:#fff8ec;padding:16px 18px;border-radius:0 12px 12px 0;margin-top:20px;font-size:15px}

/* ---------- kalkulator ---------- */
.kalk{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:start}
@media (max-width:900px){.kalk{grid-template-columns:1fr}}
.borang label{display:block;font-weight:600;font-size:14.5px;margin:0 0 6px}
.borang .medan{margin-bottom:16px}
.borang input,.borang select{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid #b9c7d6;border-radius:12px;background:#fff;color:var(--tinta)}
.borang input:focus,.borang select:focus{outline:3px solid rgba(10,111,192,.25);border-color:var(--biru)}
.pilihan{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.pilihan.tiga{grid-template-columns:repeat(3,1fr)}
.pilihan{position:relative}
.pilihan input{position:absolute;opacity:0;pointer-events:none;left:0;top:0;width:1px;height:1px;margin:0}
.pilihan label{margin:0;border:1px solid #b9c7d6;border-radius:12px;padding:10px 8px;text-align:center;font-weight:600;cursor:pointer;background:#fff;font-size:14.5px;line-height:1.3}
.pilihan label small{display:block;font-weight:400;color:var(--tinta2);font-size:12px}
.pilihan input:checked + label{border-color:var(--biru);background:var(--biru-muda);color:var(--navy);box-shadow:inset 0 0 0 1px var(--biru)}
.pilihan input:focus-visible + label{outline:3px solid rgba(10,111,192,.35)}
.rp{position:relative}.rp span{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--tinta2);font-weight:600}.rp input{padding-left:44px}
.hasil{position:sticky;top:84px}
.hasil .kosong{color:var(--tinta2);text-align:center;padding:40px 16px}
.angka{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:16px 0}
.angka div{background:var(--latar2);border-radius:12px;padding:14px}
.angka b{display:block;font-size:clamp(20px,3vw,26px);color:var(--navy);line-height:1.2}
.angka span{font-size:13px;color:var(--tinta2)}
.angka .hemat{background:var(--hijau-muda)} .angka .hemat b{color:var(--hijau)}
.status{border-radius:12px;padding:14px 16px;font-size:15px;margin-bottom:14px}
.status.baik{background:var(--hijau-muda);border:1px solid #bfe0b0}
.status.kaji{background:#fff8ec;border:1px solid #f6d6a3}
.rincian{font-size:14px;color:var(--tinta2);margin-top:8px}
.rincian summary{cursor:pointer;font-weight:600;color:var(--navy)}
.rincian table{width:100%;border-collapse:collapse;margin-top:8px}
.rincian td{padding:6px 0;border-bottom:1px solid var(--garis);vertical-align:top}
.rincian td:last-child{text-align:right;font-weight:600;color:var(--tinta);padding-left:12px}
.nosim{font-size:12.5px;color:var(--tinta2);margin-top:10px}

/* ---------- langkah ---------- */
.langkah{counter-reset:l;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;list-style:none;padding:0;margin:0}
.langkah li{position:relative;background:#fff;border:1px solid var(--garis);border-radius:var(--rad);padding:22px 18px;box-shadow:var(--bayang)}
.langkah li::before{counter-increment:l;content:counter(l);display:grid;place-items:center;width:40px;height:40px;border-radius:50%;
  background:var(--navy);color:#fff;font-weight:800;margin-bottom:12px}
.langkah h3{font-size:17px}
.langkah p{font-size:14.5px;color:var(--tinta2);margin:0}
@media (max-width:1000px){.langkah{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.langkah{grid-template-columns:1fr}}

/* ---------- segmen ---------- */
.segmen .kartu{padding:28px}
.segmen ul{padding-left:20px;margin:0 0 16px}
.segmen li{margin-bottom:6px}
.segmen .rumah{border-top:6px solid var(--jingga)} .segmen .usaha{border-top:6px solid var(--biru)}

/* ---------- contoh ---------- */
.contoh{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;text-align:center}
.contoh div{background:#fff;border:1px solid var(--garis);border-radius:var(--rad);padding:22px}
.contoh b{display:block;font-size:clamp(24px,3.4vw,32px);color:var(--navy)}
.contoh .h b{color:var(--hijau)}
@media (max-width:700px){.contoh{grid-template-columns:1fr}}

/* ---------- tanya jawab ---------- */
.tj{max-width:820px;margin:0 auto}
.tj details{background:#fff;border:1px solid var(--garis);border-radius:14px;margin-bottom:10px;padding:0 18px}
.tj summary{cursor:pointer;font-weight:650;padding:16px 28px 16px 0;list-style:none;position:relative}
.tj summary::-webkit-details-marker{display:none}
.tj summary::after{content:"+";position:absolute;right:0;top:12px;font-size:24px;color:var(--biru)}
.tj details[open] summary::after{content:"–"}
.tj details p{color:var(--tinta2);font-size:15.5px}

/* ---------- ajakan ---------- */
.ajakan{background:linear-gradient(135deg,var(--navy),#0a5aa0);color:#fff;border-radius:28px;padding:48px 32px;text-align:center}
.ajakan h2{color:#fff}
.ajakan p{color:#d8e6f5;max-width:640px;margin-inline:auto}
.ajakan .aksi{justify-content:center}
.ajakan .btn.garis{background:transparent;color:#fff;border-color:#fff}

/* ---------- kaki ---------- */
.kaki{background:#0a2140;color:#c9d6e5;padding:48px 0 28px;font-size:14.5px}
.kaki a{color:#fff;text-decoration:none}
.kaki a:hover{text-decoration:underline}
.kaki .kisi{grid-template-columns:1.4fr 1fr 1fr}
@media (max-width:760px){.kaki .kisi{grid-template-columns:1fr}}
.kaki h4{color:#fff;margin:0 0 10px;font-size:15px}
.kaki ul{list-style:none;padding:0;margin:0}.kaki li{margin-bottom:6px}
.kaki .penafian{border-top:1px solid #23406a;margin-top:32px;padding-top:18px;font-size:12.5px;color:#9fb3ca}
.kaki .logo-kaki{width:180px;background:#fff;border-radius:12px;padding:8px;margin-bottom:12px}

/* ---------- WhatsApp melayang ---------- */
.wa-apung{position:fixed;right:16px;bottom:16px;z-index:60;width:60px;height:60px;border-radius:50%;background:#1fa855;display:grid;place-items:center;
  box-shadow:0 10px 26px rgba(0,0,0,.25)}
.wa-apung svg{width:32px;height:32px;fill:#fff}

/* ---------- halaman teks (privasi, syarat, tentang) ---------- */
.teks{max-width:820px;margin:0 auto;padding:48px 0 72px}
.teks h1{font-size:clamp(28px,4.4vw,40px)}
.teks h2{font-size:22px;margin-top:1.6em}
.teks li{margin-bottom:6px}
.draf{background:#fff8ec;border:1px solid #f6d6a3;border-radius:12px;padding:14px 16px;font-size:14.5px;margin:16px 0 24px}
.pita-status{background:var(--navy);color:#fff;font-size:13.5px;text-align:center;padding:7px 12px}
.pita-status a{color:var(--kuning)}
.jarak-atas{margin-top:16px}
.rapat{margin-bottom:4px}
.aksi-hasil{margin:16px 0 0}
.video .putar.redup{margin:0 auto 16px;opacity:.5}
.tengah .aksi{justify-content:center}
.pembuka .kartu h3{margin-top:0}
@media (max-width:820px){.video{max-width:300px}}
/* Sinar energi matahari (energi.js): di atas isi, di bawah kepala halaman & tombol WhatsApp, tidak menangkap klik. */
#fx-energi{position:fixed;inset:0;z-index:40;pointer-events:none}
@media (prefers-reduced-motion:reduce){#fx-energi{display:none}}
@media print{#fx-energi,.wa-apung{display:none!important}}
/* Sampul video = thumbnail YouTube (disalin ke situs sendiri agar tidak memanggil Google sebelum diklik). */
.video button{position:relative}
.video .sampul{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.video button::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,47,92,0) 55%,rgba(11,47,92,.55))}
.video .putar{position:relative;z-index:1}
.video .label-video{position:absolute;z-index:1;left:0;right:0;bottom:22px;text-align:center;font-size:18px;text-shadow:0 2px 8px rgba(0,0,0,.5)}
.video{width:100%}
.video .label-video{bottom:auto;top:calc(50% + 56px)}