/* Template Kue Ulang Tahun Custom: pesta konfeti — biru tengah malam #1E2250, pink #FF78AA, kuning #FFD84D, toska #5ED3F3;
   konfeti jatuh, untaian bendera segitiga, polaroid miring, pratinjau kue SVG bertingkat. */
:root{--latar:#FFF9F4;--latar-2:#F3F0FF;--permukaan:#FFFFFF;--teks:#1E2250;--teks-2:#4A4E7A;--teks-3:#8A8DB0;--garis:#E6E2F5;
  --utama:#FF78AA;--utama-tua:#E8528A;--utama-muda:#FFE6EF;--pada-utama:#FFFFFF;--aksen:#5ED3F3;--aksen-tua:#2CB3DA;--pada-aksen:#1E2250;
  --gelap:#1E2250;--pada-gelap:#FFF9F4;--radius:22px;--radius-kecil:14px;--bayang:0 22px 44px -26px rgba(30,34,80,.45)}
body{background:var(--latar);color:var(--teks)}
h1,h2,h3{font-weight:800;letter-spacing:-.03em;color:var(--teks)}
.serif{font-family:"Lora",Georgia,serif;font-style:italic;font-weight:600;color:var(--utama)}
.kepala .btn-wa,.btn-wa,.btn-utama{background:var(--utama);color:#fff}
.bag-alt{background:var(--latar-2)}
.kaki{background:var(--gelap)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.cku-alis{display:inline-block;margin:0 0 14px;padding:6px 14px;border-radius:999px;background:var(--aksen);color:var(--teks);font-size:12.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.cku-lead{font-size:17.5px;color:var(--teks-2)}
.cku-btn{background:var(--utama);color:#fff;font-weight:800;border-radius:999px;box-shadow:0 12px 24px -12px rgba(255,120,170,.8)}
.cku-btn:hover{background:var(--utama-tua);color:#fff}
.cku-link{font-weight:800;color:var(--teks);text-decoration:underline;text-decoration-color:var(--aksen);text-decoration-thickness:3px;text-underline-offset:5px}
.cku-blok{width:100%;justify-content:center}
.cku-cat{margin:10px 0 0;font-size:12.5px;color:var(--teks-3)}
[hidden]{display:none!important}

.cku-hero{position:relative;padding:20px 0 84px;overflow:hidden;background:var(--gelap);color:#fff}
.cku-hero h1,.cku-hero .cku-lead{color:#fff}.cku-hero .cku-lead{opacity:.85}.cku-hero .cku-link{color:#fff}
.cku-bendera{height:44px;margin-bottom:30px;background:conic-gradient(from 150deg at 50% 0,#FF78AA 0 60deg,transparent 60deg) 0 0/48px 44px,conic-gradient(from 150deg at 50% 0,#FFD84D 0 60deg,transparent 60deg) 24px 0/48px 44px;border-top:3px solid #fff}
.cku-konfeti i{position:absolute;top:-20px;left:var(--x);width:9px;height:14px;background:var(--w);border-radius:2px;animation:cku-jatuh var(--d) linear var(--t) infinite;opacity:.85}
@keyframes cku-jatuh{to{transform:translateY(720px) rotate(540deg)}}
@media(prefers-reduced-motion:reduce){.cku-konfeti{display:none}}
.cku-hero-isi{position:relative;display:grid;gap:46px;align-items:center}
@media(min-width:960px){.cku-hero-isi{grid-template-columns:1.05fr .95fr}}
.cku-teks{min-width:0}
.cku-hero h1{font-size:clamp(42px,6.4vw,84px);line-height:1;margin:0 0 18px}
.cku-tombol{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:28px}
.cku-foto{position:relative;max-width:470px;margin:0 auto;width:100%}
.cku-foto img{display:block;width:100%;aspect-ratio:1;object-fit:cover;border-radius:50%;border:10px solid #fff;box-shadow:0 0 0 10px var(--utama)}
.cku-pita{position:absolute;left:50%;bottom:6%;transform:translateX(-50%) rotate(-4deg);padding:10px 28px;background:var(--aksen);color:var(--teks);font-weight:900;letter-spacing:.14em;clip-path:polygon(0 0,100% 0,94% 50%,100% 100%,0 100%,6% 50%)}

.cku-kepala{margin-bottom:34px;text-align:center}
.cku-kepala h2,.cku-d-form h2,.cku-t-teks h2{font-size:clamp(32px,4.6vw,54px);margin:0 0 12px}
.cku-kisi{display:grid;gap:30px}
@media(min-width:640px){.cku-kisi{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1000px){.cku-kisi{grid-template-columns:repeat(3,minmax(0,1fr))}}
.cku-kartu{min-width:0}
.cku-pol{display:block;padding:12px 12px 14px;background:#fff;box-shadow:var(--bayang);transform:rotate(-2deg);transition:transform .25s}
.cku-kartu:nth-child(even) .cku-pol{transform:rotate(2deg)}
.cku-pol:hover{transform:rotate(0) scale(1.02)}
.cku-pol img{display:block;width:100%;aspect-ratio:1;object-fit:cover}
.cku-pol span{display:block;margin-top:10px;font-family:"Lora",Georgia,serif;font-style:italic;font-size:19px;color:var(--teks);text-align:center}
.cku-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:16px 4px 6px}
.cku-meta em{padding:3px 10px;border-radius:999px;background:var(--utama-muda);color:var(--utama-tua);font-style:normal;font-size:12px;font-weight:800}
.cku-meta small{color:var(--teks-3);font-weight:700}
.cku-kartu p{margin:0 4px 8px;color:var(--teks-2);font-size:15px}
.cku-kartu b{margin:0 4px;font-size:19px;color:var(--teks)}

.cku-desain{display:grid;gap:28px;margin-top:60px;padding:28px;border-radius:30px;background:var(--permukaan);border:2px dashed var(--utama);box-shadow:var(--bayang)}
@media(min-width:960px){.cku-desain{grid-template-columns:.9fr 1.1fr;padding:38px}}
.cku-d-kanvas{min-width:0;display:grid;place-items:center;border-radius:24px;background:radial-gradient(circle at 50% 30%,#fff,#F3F0FF)}
.cku-d-kanvas svg{width:100%;max-width:380px}
.cku-d-form{min-width:0}
.cku-pil,.cku-krim{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px;padding:0;border:0}
.cku-pil legend,.cku-krim legend,.cku-f>span{width:100%;margin-bottom:6px;font-size:13px;font-weight:800;color:var(--teks-2)}
.cku-pil label,.cku-krim label{position:relative;cursor:pointer}
.cku-pil input,.cku-krim input{position:absolute;opacity:0}
.cku-pil span{display:block;padding:8px 14px;border-radius:999px;border:1.5px solid var(--garis);font-weight:700}
.cku-pil input:checked+span{background:var(--teks);border-color:var(--teks);color:#fff}
.cku-krim span{display:block;width:36px;height:36px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 1.5px var(--garis)}
.cku-krim input:checked+span{box-shadow:0 0 0 3px var(--utama)}
.cku-pil input:focus-visible+span,.cku-krim input:focus-visible+span{outline:2px solid var(--aksen-tua);outline-offset:2px}
.cku-dua{display:grid;gap:0 12px}@media(min-width:520px){.cku-dua{grid-template-columns:1fr 1fr}}
.cku-f{display:grid;gap:0;margin:0 0 12px}
.cku-f select,.cku-f input{padding:10px 12px;border:1.5px solid var(--garis);border-radius:12px;background:#fff;font:inherit;min-width:0}
.cku-hasil{display:grid;grid-template-columns:1fr 1.5fr;gap:10px;margin:6px 0 14px}
.cku-hasil div{padding:12px 14px;border-radius:14px;background:var(--latar-2)}
.cku-hasil .besar{background:var(--teks);color:#fff}
.cku-hasil dt{font-size:12.5px;font-weight:700;opacity:.8}.cku-hasil dd{margin:2px 0 0;font-size:22px;font-weight:800}.cku-hasil .besar dd{font-size:30px;color:var(--utama)}

.cku-t{display:grid;gap:40px;align-items:center}
@media(min-width:900px){.cku-t{grid-template-columns:.9fr 1.1fr}}
.cku-t-teks{min-width:0}
.cku-t-foto{margin:0;padding:12px;border-radius:24px;background:repeating-linear-gradient(-45deg,var(--utama) 0 12px,#fff 12px 24px)}
.cku-t-foto img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px}
.cku-janji{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
.cku-janji li{display:flex;gap:12px;align-items:center;font-weight:700}
.cku-janji li::before{content:"";flex:none;width:8px;height:22px;border-radius:3px;background:repeating-linear-gradient(0deg,var(--utama) 0 4px,#fff 4px 8px);box-shadow:0 -8px 0 -2px #FF9A2E}