:root {
  --tinta: #2A1D15;
  --coklat: #3B2A20;
  --kertas: #F6F0E6;
  --kertas-2: #EDE3D2;
  --amber: #E8A33D;
  --amber-tua: #864B00;
  --garis: #D9CBB4;
  --teks-pucat: #6B5A4C;
  --font-judul: 'Bricolage Grotesque', 'Segoe UI', sans-serif;
  --font-teks: 'DM Sans', 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--kertas); color: var(--coklat); font: 400 16px/1.6 var(--font-teks); -webkit-text-size-adjust: 100%; }
img, svg { max-width: 100%; }
a { color: inherit; }
h1, h2 { font-family: var(--font-judul); font-weight: 800; line-height: 1.05; letter-spacing: -0.02em; margin: 0; color: var(--tinta); }
h2 { font-size: clamp(1.7rem, 5vw, 2.6rem); }
.kecil { font-size: 0.875rem; color: var(--teks-pucat); margin: 0; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

/* header */
.atas { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: var(--tinta); color: var(--kertas); }
.logo { display: inline-flex; align-items: center; min-height: 44px; font: 800 1.35rem var(--font-judul); letter-spacing: -0.02em; text-decoration: none; margin-right: auto; }
.menu { display: none; gap: 20px; }
.menu a { text-decoration: none; font-weight: 500; padding: 10px 4px; }
.menu a:hover { color: var(--amber); }
.tombol-keranjang { position: relative; display: grid; place-items: center; width: 48px; height: 48px; border: 0; border-radius: 12px; background: var(--amber); color: var(--tinta); cursor: pointer; }
.jumlah { position: absolute; top: -6px; right: -6px; min-width: 22px; height: 22px; padding: 0 5px; border-radius: 11px; background: var(--kertas); color: var(--tinta); font: 700 0.8rem/22px var(--font-teks); text-align: center; }

/* tombol */
.tombol { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 12px; border: 2px solid transparent; font: 700 1rem var(--font-teks); text-decoration: none; cursor: pointer; transition: transform 0.15s, background 0.15s; }
.tombol:hover { transform: translateY(-2px); }
.tombol.utama { background: var(--amber); color: var(--tinta); }
.tombol.utama:hover { background: #F0B25A; }
.tombol.garis { border-color: var(--kertas); color: var(--kertas); }
.tombol.gelap { background: var(--tinta); color: var(--kertas); }
.lagi-wrap { display: flex; justify-content: center; margin-top: 24px; }
.tombol.penuh { width: 100%; }

/* hero */
.hero { position: relative; overflow: hidden; background: var(--tinta); color: var(--kertas); padding: 48px 16px 190px; }
.hero h1 { color: var(--kertas); font-size: clamp(2.2rem, 9vw, 4.6rem); max-width: 14ch; }
.hero-isi { position: relative; z-index: 1; max-width: 640px; }
.hero-sub { font-size: 1.125rem; margin: 20px 0 28px; max-width: 46ch; color: #E6D9C4; }
.hero-aksi { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-jam { margin: 20px 0 0; font-size: 0.9rem; color: #C9B8A0; }
.hero-watt { position: absolute; right: -10px; bottom: -14px; display: flex; flex-direction: column; align-items: flex-end; font: 800 clamp(3.2rem, 14vw, 8rem)/0.88 var(--font-judul); letter-spacing: -0.04em; pointer-events: none; user-select: none; }
.hero-watt span { color: transparent; -webkit-text-stroke: 2px rgba(232, 163, 61, 0.55); }
.hero-watt span:first-child { color: var(--amber); -webkit-text-stroke: 0; }

/* merek */
.merek { background: var(--kertas-2); border-bottom: 1px solid var(--garis); padding: 14px 16px; }
.merek ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 28px; font: 700 1.05rem var(--font-judul); color: var(--tinta); }
.merek li span { font: 400 0.85rem var(--font-teks); color: var(--teks-pucat); margin-left: 6px; }

/* katalog */
.katalog { padding: 40px 16px 24px; max-width: 1240px; margin: 0 auto; }
.katalog-kepala { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 20px; }
.alat { display: grid; gap: 12px; margin-bottom: 24px; }
.kategori { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }
.kategori button { flex: none; min-height: 44px; padding: 0 16px; border-radius: 22px; border: 2px solid var(--garis); background: transparent; color: var(--coklat); font: 500 0.95rem var(--font-teks); cursor: pointer; }
.kategori button[aria-pressed="true"] { background: var(--tinta); border-color: var(--tinta); color: var(--kertas); }
.cari-urut { display: grid; gap: 10px; grid-template-columns: 1fr; }
.cari-urut input, .cari-urut select { min-height: 48px; padding: 0 14px; border-radius: 10px; border: 2px solid var(--garis); background: #FFFBF4; color: var(--coklat); font: 400 1rem var(--font-teks); width: 100%; }
.grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.kartu { display: flex; flex-direction: column; background: #FFFBF4; border: 1px solid var(--garis); border-radius: 14px; overflow: hidden; }
.kartu.habis { opacity: 0.6; }
.ubin { position: relative; display: grid; place-items: center; aspect-ratio: 4 / 3; background: var(--kertas-2); color: var(--tinta); overflow: hidden; }
.ubin .spek { font: 800 clamp(2.3rem, 11vw, 3.6rem)/1 var(--font-judul); letter-spacing: -0.04em; }
.ubin svg { width: 42%; height: auto; color: var(--coklat); }
.ubin .merek-label { position: absolute; left: 10px; top: 8px; font: 700 0.75rem var(--font-teks); letter-spacing: 0.08em; color: var(--amber-tua); }
.kartu-isi { display: flex; flex-direction: column; gap: 6px; padding: 12px; flex: 1; }
.kartu h3 { margin: 0; font: 500 0.95rem/1.35 var(--font-teks); color: var(--tinta); }
.harga { font: 800 1.15rem var(--font-judul); color: var(--tinta); margin-top: auto; }
.sisa { font-size: 0.8rem; color: var(--amber-tua); font-weight: 700; }
.tambah { min-height: 44px; border: 0; border-radius: 10px; background: var(--tinta); color: var(--kertas); font: 700 0.95rem var(--font-teks); cursor: pointer; }
.tambah:hover { background: var(--coklat); }
.tambah:disabled { background: var(--garis); color: var(--teks-pucat); cursor: not-allowed; }
.kosong-hasil { grid-column: 1 / -1; padding: 40px 0; color: var(--teks-pucat); }

/* cara pesan */
.cara, .tanya { padding: 48px 16px 8px; max-width: 1240px; margin: 0 auto; }
.langkah { list-style: none; counter-reset: l; margin: 24px 0 28px; padding: 0; display: grid; gap: 12px; }
.langkah li { counter-increment: l; position: relative; padding: 16px 16px 16px 64px; background: #FFFBF4; border: 1px solid var(--garis); border-radius: 14px; display: grid; gap: 2px; }
.langkah li::before { content: counter(l); position: absolute; left: 16px; top: 14px; width: 34px; height: 34px; border-radius: 50%; background: var(--amber); color: var(--tinta); font: 800 1.05rem/34px var(--font-judul); text-align: center; }
.langkah b { font-family: var(--font-judul); font-size: 1.1rem; color: var(--tinta); }
.fakta { display: grid; gap: 0; margin: 0; border-top: 1px solid var(--garis); }
.fakta div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--garis); }
.fakta dt { color: var(--teks-pucat); }
.fakta dd { margin: 0; font-weight: 700; text-align: right; color: var(--tinta); }
.tanya details { border-bottom: 1px solid var(--garis); }
.tanya summary { cursor: pointer; padding: 16px 0; font: 700 1.05rem var(--font-judul); color: var(--tinta); min-height: 48px; }
.tanya details p { margin: 0 0 16px; max-width: 60ch; }

/* footer */
.kaki { margin-top: 56px; padding: 36px 16px 28px; background: var(--tinta); color: var(--kertas); display: grid; gap: 20px; }
.kaki .logo-kaki { font: 800 1.6rem var(--font-judul); }
.kaki p { margin: 4px 0 0; color: #C9B8A0; }
.kaki ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
.kaki a { display: inline-block; padding: 10px 0; }
.kaki .kecil { color: #A99A86; }

/* keranjang */
.tirai { position: fixed; inset: 0; background: rgba(42, 29, 21, 0.55); z-index: 30; }
.laci { position: fixed; top: 0; right: 0; bottom: 0; z-index: 31; width: min(420px, 100%); background: var(--kertas); display: flex; flex-direction: column; transform: translateX(100%); transition: transform 0.25s; visibility: hidden; }
.laci.buka { transform: none; visibility: visible; }
.laci-kepala { display: flex; align-items: center; justify-content: space-between; padding: 16px; border-bottom: 1px solid var(--garis); }
.laci-kepala h2 { font-size: 1.5rem; }
.laci-kepala button { width: 48px; height: 48px; border: 0; background: transparent; font-size: 2rem; cursor: pointer; color: var(--tinta); }
.isi-keranjang { list-style: none; margin: 0; padding: 0 16px; flex: 1; overflow-y: auto; }
.baris { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 14px 0; border-bottom: 1px solid var(--garis); }
.baris .nama { font-weight: 500; color: var(--tinta); }
.baris .sub { font-weight: 700; color: var(--tinta); }
.qty { grid-column: 1 / -1; display: flex; align-items: center; gap: 8px; }
.qty button { width: 44px; height: 44px; border-radius: 10px; border: 2px solid var(--garis); background: #FFFBF4; font-size: 1.2rem; cursor: pointer; color: var(--tinta); }
.qty span { min-width: 28px; text-align: center; font-weight: 700; }
.qty .hapus { margin-left: auto; width: auto; padding: 0 12px; font-size: 0.9rem; border-color: transparent; text-decoration: underline; }
.kosong { padding: 32px 16px; color: var(--teks-pucat); margin: 0; }
.laci-kaki { padding: 16px; border-top: 1px solid var(--garis); display: grid; gap: 10px; background: #FFFBF4; }
.total { display: flex; justify-content: space-between; align-items: baseline; }
.total strong { font: 800 1.5rem var(--font-judul); color: var(--tinta); }
.kosongkan { background: none; border: 0; color: var(--teks-pucat); text-decoration: underline; min-height: 44px; cursor: pointer; font: inherit; }
.laci.kosong-isi .laci-kaki, .laci.kosong-isi .isi-keranjang { display: none; }
.laci:not(.kosong-isi) .kosong { display: none; }

@media (min-width: 640px) {
  .atas { padding: 10px 32px; }
  .hero { padding: 72px 32px 80px; }
  .hero-watt { right: 16px; }
  .katalog, .cara, .tanya { padding-left: 32px; padding-right: 32px; }
  .merek, .kaki { padding-left: 32px; padding-right: 32px; }
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
  .cari-urut { grid-template-columns: 1fr 220px; }
  .langkah { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .menu { display: flex; }
  .hero { padding: 96px 48px 104px; }
  .hero-watt { right: 32px; bottom: 16px; }
  .katalog, .cara, .tanya { padding-left: 48px; padding-right: 48px; }
  .alat { grid-template-columns: 1fr 460px; align-items: center; }
  .grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .langkah { grid-template-columns: repeat(4, 1fr); }
  .langkah li { padding: 64px 16px 16px; }
  .langkah li::before { left: 16px; top: 16px; }
  .kaki { grid-template-columns: 1.4fr 1fr; padding-left: 48px; padding-right: 48px; }
  .kaki .kecil { grid-column: 1 / -1; }
}
@media (max-width: 639px) {
  .hero-watt { flex-direction: row; align-items: baseline; gap: 14px; left: 16px; right: auto; bottom: 36px; font-size: 2.6rem; line-height: 1; }
  .hero-watt span:nth-child(n+4) { display: none; }
  .hero { padding-bottom: 130px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}