/* ===== BERKAH PRAMA TEKNIK - style.css =====
   Warna utama ada di :root. Ubah di sini untuk mengganti tema. */
:root{--navy:#06142E;--deep:#0A2A66;--brand:#1769E0;--cyan:#22D3EE;--frost:#EAF5FF;--ink:#0B1B3A;
--fd:'Sora',system-ui,sans-serif;--fb:'Figtree',system-ui,sans-serif}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{font-family:var(--fb);color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--fd);line-height:1.15;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}ul,ol{list-style:none;padding:0}address{font-style:normal}
.wrap{width:100%;max-width:1152px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.wrap{padding:0 32px}}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:99;background:#fff;padding:8px 16px;border-radius:8px}
.ic{width:20px;height:20px;flex:none}.ic.sm{width:16px;height:16px}.ic.xs{width:14px;height:14px}.ic.lg{width:26px;height:26px}.ic.w{color:#fff}.ic.cy{color:var(--cyan);margin-top:3px}.ic.br{color:var(--brand)}
/* tombol */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 24px;font:600 14px var(--fb);border:0;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.btn:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn:active{transform:scale(.97)}
.btn-cyan{background:var(--cyan);color:var(--navy);box-shadow:0 8px 20px -6px rgba(34,211,238,.5)}.btn-cyan:hover{transform:translateY(-2px);background:#fff}
.btn-primary{background:linear-gradient(90deg,var(--deep),var(--brand));color:#fff;box-shadow:0 8px 20px -6px rgba(23,105,224,.5)}.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.06);color:#fff;backdrop-filter:blur(6px)}.btn-ghost:hover{border-color:var(--cyan);background:rgba(255,255,255,.15)}
.btn-small{background:var(--navy);color:#fff;padding:10px 16px;width:100%}.btn-small:hover{background:var(--brand)}
.btn-nav{padding:10px 20px;margin-left:12px}.btn-lg{padding:16px 32px;font-size:16px}
/* navbar */
.nav{position:fixed;inset:0 0 auto;z-index:40;background:rgba(6,20,46,.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.1)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:inline-flex;align-items:center;gap:12px;color:#fff}.logo-t{line-height:1}
.logo-t b{display:block;font:800 15px var(--fd);letter-spacing:.03em}.logo-t i{display:block;margin-top:5px;font:600 11px var(--fb);letter-spacing:.34em;color:var(--cyan);font-style:normal}
.nav-links{display:none;align-items:center;gap:4px}
.nav-links a:not(.btn){padding:8px 14px;border-radius:999px;font-size:14px;font-weight:500;color:rgba(255,255,255,.8);transition:.2s}
.nav-links a:not(.btn):hover{background:rgba(255,255,255,.1);color:#fff}
.burger{width:44px;height:44px;border:0;background:none;color:#fff;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.burger .ic{width:24px;height:24px}.burger .close-i{display:none}.burger[aria-expanded=true] .close-i{display:block}.burger[aria-expanded=true] .menu-i{display:none}
.mnav .wrap{display:flex;flex-direction:column;gap:4px;padding-top:12px;padding-bottom:20px;border-top:1px solid rgba(255,255,255,.1)}
.mnav a:not(.btn){padding:12px;border-radius:12px;color:rgba(255,255,255,.92);font-weight:500}.mnav a:not(.btn):hover{background:rgba(255,255,255,.1)}
.mnav .btn{margin-top:12px}
@media(min-width:1024px){.nav-links{display:flex}.burger{display:none}.mnav{display:none!important}}
/* hero & bagian gelap */
.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(60% 55% at 78% 30%,rgba(34,211,238,.22),transparent 70%),radial-gradient(50% 60% at 0 100%,rgba(23,105,224,.35),transparent 70%),linear-gradient(160deg,var(--navy) 0%,var(--deep) 130%);background-color:var(--navy)}
.hero::before{content:'';position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(70% 70% at 50% 40%,#000,transparent);mask-image:radial-gradient(70% 70% at 50% 40%,#000,transparent)}
.hero>*{position:relative}
.hero-grid{display:grid;gap:24px;align-items:center;padding-top:108px;padding-bottom:56px}
.hero h1{font-size:clamp(2.2rem,7vw,3.75rem);font-weight:800;line-height:1.05}
.lead{margin-top:20px;max-width:36rem;font-size:1.06rem;color:rgba(255,255,255,.82)}
.cta-row{display:flex;flex-direction:column;gap:12px;margin-top:32px}
@media(min-width:640px){.cta-row{flex-direction:row}}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr 1fr;gap:40px;padding-top:128px;padding-bottom:80px}}
.hero-sm .wrap{padding-top:108px;padding-bottom:56px}.hero-sm h1{margin-top:24px;max-width:48rem;font-size:clamp(1.9rem,5vw,3rem);font-weight:800}
.airline{height:3px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.7}
.stage{position:relative;aspect-ratio:5/4;width:100%;max-width:576px;margin:0 auto}
.stage canvas,.stage .fb{position:absolute;inset:0;width:100%;height:100%}.fb{transition:opacity .7s}.stage.on .fb{opacity:0}
.flow{animation:dash 2.2s linear infinite}@keyframes dash{to{stroke-dashoffset:-72}}
.rise{animation:rise .7s cubic-bezier(.2,.7,.2,1) both}@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:4px;font-size:14px;color:rgba(255,255,255,.7)}.crumb li{display:flex;align-items:center;gap:4px}.crumb a:hover{color:var(--cyan)}.crumb [aria-current]{color:#fff}
/* section */
.sec{padding:64px 0}@media(min-width:640px){.sec{padding:96px 0}}
.white{background:#fff}.frost{background:var(--frost)}
.head{max-width:42rem}.head h2{font-size:clamp(1.85rem,4.5vw,2.5rem);font-weight:800;color:var(--navy)}.head p{margin-top:16px;font-size:1.06rem;color:rgba(11,27,58,.75)}
.head.dark h2{color:#fff}
.two{display:grid;gap:40px}@media(min-width:1024px){.two{grid-template-columns:1fr 1.1fr;gap:64px}}
.prose{font-size:1.06rem;color:rgba(11,27,58,.82)}.prose p+p{margin-top:20px}
.chips{display:grid;gap:12px;margin-top:24px}@media(min-width:640px){.chips{grid-template-columns:1fr 1fr}}
.chips li{border:1px solid rgba(23,105,224,.15);background:var(--frost);border-radius:16px;padding:12px 16px;font-size:14px;font-weight:600;color:var(--navy)}
.chips.row{display:flex;flex-wrap:wrap;gap:10px}.chips.row li{background:#fff;border-radius:999px;padding:8px 16px;color:var(--deep)}
.more{display:inline-block;margin-top:24px;font-size:14px;font-weight:700;color:var(--brand);text-decoration:underline;text-decoration-color:var(--cyan);text-decoration-thickness:2px;text-underline-offset:4px}
/* kartu layanan */
.cards{display:grid;gap:24px;margin-top:48px;perspective:1100px}@media(min-width:640px){.cards{grid-template-columns:1fr 1fr}}@media(min-width:1024px){.cards{grid-template-columns:repeat(4,1fr)}}
.card{display:flex;flex-direction:column;background:rgba(255,255,255,.85);border:1px solid #fff;border-radius:24px;padding:24px;box-shadow:0 20px 40px -20px rgba(10,42,102,.2);transition:transform .35s,box-shadow .35s;transform-style:preserve-3d}
.card h3{margin-top:20px;font-size:1.2rem;font-weight:700;color:var(--navy)}.card h3 a:hover{color:var(--brand)}
.card p{margin:8px 0 24px;font-size:14px;color:rgba(11,27,58,.75)}.card .btn{margin-top:auto}
.tile{display:inline-flex;width:56px;height:56px;align-items:center;justify-content:center;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--cyan));box-shadow:0 10px 22px -6px rgba(23,105,224,.55),inset 0 2px 0 rgba(255,255,255,.35),inset 0 -4px 0 rgba(0,0,0,.12);transition:transform .35s}
@media(hover:hover){.card:hover{transform:translateY(-6px) rotateX(3deg) rotateY(-3deg);box-shadow:0 30px 50px -20px rgba(23,105,224,.35)}.card:hover .tile{transform:translateZ(30px) rotate(-4deg)}}
.cards.c4{grid-template-columns:1fr}@media(min-width:640px){.cards.c4{grid-template-columns:1fr 1fr}}@media(min-width:1024px){.cards.c4{grid-template-columns:repeat(4,1fr)}}
.cards.c4 .card{background:#fff}
/* mengapa */
.why{display:grid;gap:20px;margin-top:48px}@media(min-width:640px){.why{grid-template-columns:1fr 1fr}}@media(min-width:1024px){.why{grid-template-columns:repeat(5,1fr)}}
.glass{border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.07);backdrop-filter:blur(10px);border-radius:24px;padding:24px}
.glass h3{margin-top:16px;font-size:1.1rem;font-weight:700}.glass p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.72)}
.ib{display:inline-flex;width:44px;height:44px;flex:none;align-items:center;justify-content:center;border-radius:14px;background:rgba(34,211,238,.15);color:var(--cyan)}.ib.solid{background:var(--brand);color:#fff}
/* area */
.area{border:1px solid rgba(23,105,224,.15);background:var(--frost);border-radius:24px;padding:28px}
.area-t{display:flex;align-items:center;gap:12px;font:700 1.5rem var(--fd);color:var(--navy)}.muted{margin-top:20px;font-size:14px;color:rgba(11,27,58,.7)}
/* accordion */
.acc{background:#fff;border:1px solid rgba(23,105,224,.15);border-radius:24px;overflow:hidden;box-shadow:0 12px 30px -15px rgba(10,42,102,.2)}
.acc-i+.acc-i{border-top:1px solid rgba(23,105,224,.15)}
.acc button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px;border:0;background:none;text-align:left;cursor:pointer;font:700 1rem var(--fd);color:var(--navy)}
.acc button:hover{background:var(--frost)}.chev{color:var(--brand);transition:transform .3s}.acc button[aria-expanded=true] .chev{transform:rotate(180deg)}
.acc-p{padding:0 24px 20px;color:rgba(11,27,58,.8)}
/* cta band */
.band{padding:64px 0}.band-in{display:flex;flex-direction:column;gap:32px}.band h2{max-width:42rem;font-size:clamp(1.8rem,4.5vw,2.5rem);font-weight:800}.band p{margin-top:16px;color:rgba(255,255,255,.82);font-size:1.06rem}
@media(min-width:1024px){.band-in{flex-direction:row;align-items:center;justify-content:space-between}}
/* kontak */
.contact{display:grid;gap:24px;margin-top:40px}.head+.contact{margin-top:40px}.contact:first-child{margin-top:0}@media(min-width:1024px){.contact{grid-template-columns:.9fr 1.1fr}}
.c-card{background:var(--navy);color:#fff;border-radius:24px;padding:32px}.c-card h3{font-size:1.5rem;font-weight:700}
.c-card ul{margin:24px 0 32px;display:grid;gap:20px}.c-card li{display:flex;gap:16px}.c-card small{display:block;font-size:14px;color:rgba(255,255,255,.6)}
.map{min-height:320px;overflow:hidden;border-radius:24px;border:1px solid rgba(23,105,224,.15);background:var(--frost)}.map iframe{width:100%;height:100%;min-height:320px;border:0}
/* halaman layanan */
.side{display:grid;gap:48px}@media(min-width:1024px){.side{grid-template-columns:1fr 320px}aside{position:sticky;top:96px;align-self:start}}
.art{max-width:48rem;min-width:0}.art-s+.art-s{margin-top:48px}.art-s{scroll-margin-top:96px}
.art h2{font-size:clamp(1.5rem,3.5vw,1.95rem);font-weight:800;color:var(--navy);margin-bottom:16px}
.art p{margin-top:16px;font-size:1.06rem;color:rgba(11,27,58,.82)}.art h2+p{margin-top:0}
.dots{margin-top:20px;display:grid;gap:12px}.dots li{display:flex;gap:12px;color:rgba(11,27,58,.88)}.dots li::before{content:'';width:8px;height:8px;margin-top:11px;border-radius:50%;background:var(--cyan);flex:none}
.h3s{margin-top:24px;display:grid;gap:16px}.h3s>div{border:1px solid rgba(23,105,224,.15);background:var(--frost);border-radius:16px;padding:20px}.h3s h3{font-size:1.1rem;font-weight:700;color:var(--navy)}.h3s p{margin-top:6px;font-size:1rem}
.side-cta{border-radius:24px;padding:24px}.side-cta h2{font-size:1.25rem;font-weight:700}.side-cta p{margin:8px 0 20px;font-size:14px;color:rgba(255,255,255,.8)}.side-cta .btn{width:100%}
.others{margin-top:24px;border:1px solid rgba(23,105,224,.15);border-radius:24px;padding:24px}.others h2{font-size:1.1rem;font-weight:700;color:var(--navy);margin-bottom:12px}
.others a{display:flex;align-items:center;gap:12px;padding:10px 8px;border-radius:12px;font-size:14px;font-weight:600;color:rgba(11,27,58,.85)}.others a:hover{background:var(--frost);color:var(--brand)}
.linkgrid{margin-top:32px;display:grid;gap:12px}@media(min-width:640px){.linkgrid{grid-template-columns:1fr 1fr}}@media(min-width:1024px){.linkgrid{grid-template-columns:repeat(3,1fr)}}
.linkgrid a{display:block;border:1px solid rgba(23,105,224,.15);border-radius:16px;padding:16px 20px;font-weight:600;color:var(--navy);transition:.2s}.linkgrid a:hover{border-color:var(--brand);background:var(--frost)}
.nf{min-height:70vh;display:flex;align-items:center}.nf .wrap{padding-top:96px}.nf h1{font-size:clamp(2rem,6vw,3rem);font-weight:800}
/* footer */
.foot{background:var(--navy);color:rgba(255,255,255,.75)}
.foot-grid{display:grid;gap:40px;padding-top:56px;padding-bottom:56px}@media(min-width:768px){.foot-grid{grid-template-columns:1fr 1fr}}@media(min-width:1024px){.foot-grid{grid-template-columns:repeat(4,1fr)}}
.foot h2{font-size:1rem;font-weight:700;color:#fff}.foot ul{margin-top:16px;display:grid;gap:10px;font-size:14px}.foot a:hover{color:var(--cyan)}
.foot-d{margin-top:20px;max-width:20rem;font-size:14px}.foot-c li{display:flex;gap:12px}
.copy{border-top:1px solid rgba(255,255,255,.1);padding:20px;text-align:center;font-size:12px;color:rgba(255,255,255,.55)}
/* WhatsApp melayang */
.fab{position:fixed;right:20px;bottom:20px;z-index:50;display:inline-flex;align-items:center;gap:8px;height:56px;width:56px;justify-content:center;border-radius:999px;background:#25D366;color:#fff;box-shadow:0 12px 28px rgba(0,0,0,.3);transition:transform .2s}
.fab:hover{transform:scale(1.06)}.fab span{display:none;font-size:14px;font-weight:600}
@media(min-width:640px){.fab{width:auto;height:auto;padding:14px 20px}.fab span{display:inline}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rise,.flow{animation:none}.card,.tile{transition:none}}

/* ===== Animasi AC hidup =====
   Gerak utama (kisi-kisi, kipas, kabut, parallax) digerakkan oleh mesin animasi di main.js
   agar halus (easing + kelembaman). CSS di sini hanya untuk pose statis, kilau, dan angka suhu. */
.fb svg{display:block;width:100%;height:100%;overflow:visible}
.fb .mist{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.louver{transform-box:fill-box;transform-origin:50% 100%;transform:scaleY(.4)}
.fan,.fan2{transform-origin:398px 291px}
.L{will-change:transform}
.sheen{animation:sheen 11s cubic-bezier(.4,0,.2,1) 2s infinite}
@keyframes sheen{0%{transform:translateX(0)}45%,100%{transform:translateX(620px)}}
#disp.pop{animation:pop .45s cubic-bezier(.2,.8,.2,1)}
@keyframes pop{from{opacity:.15;transform:translateY(4px)}to{opacity:1;transform:none}}
/* Pose saat AC dimatikan (dipakai juga bila animasi dikurangi) */
.stage.off .louver{transform:scaleY(1);transition:transform .7s}
.stage.off .led{opacity:.2}
.stage.off .glow{opacity:0}
.stage.off #disp{fill:#4b6a93;filter:none!important}
/* Remote */
.remote{display:flex;align-items:center;justify-content:center;gap:6px;width:max-content;max-width:100%;margin:6px auto 0;padding:6px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:rgba(255,255,255,.08);backdrop-filter:blur(10px)}
.remote button{width:44px;height:44px;border:0;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;background:rgba(255,255,255,.1);cursor:pointer;transition:background .2s,transform .15s}
.remote button:hover{background:rgba(255,255,255,.22)}.remote button:active{transform:scale(.92)}
.remote button[data-act=power][aria-pressed=true]{background:var(--cyan);color:var(--navy)}
.remote output{min-width:64px;text-align:center;font:700 1.15rem var(--fd);color:#fff}
.remote-hint{margin-top:8px;text-align:center;font-size:13px;color:rgba(255,255,255,.6)}
@media(prefers-reduced-motion:reduce){.sheen{animation:none;opacity:0}#disp.pop{animation:none}}

/* AC 3D WebGL */
.stage.gl .fb{opacity:0;pointer-events:none;transition:opacity .4s}
.stage>canvas:not(.mist){position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none}