/* ===== OPILED - style.css =====
   Ubah warna utama di bagian :root ini saja. */
:root {
  /* Palet warna diambil dari Company Profile OPILED 2024 */
  --navy: #17233d;        /* biru gelap (dasar sampul) */
  --navy-2: #024064;      /* biru petrol gelap */
  --teal: #006189;        /* awal gradasi header */
  --brand: #0094d4;       /* akhir gradasi header (biru terang) */
  --cyan: #29abe3;        /* biru muda: judul & bullet */
  --blue: #1f68b1;        /* biru tengah: kode produk, garis kotak */
  --accent: #f6b800;      /* kuning terang: angka, sorotan & tombol utama */
  --accent-dark: #d99e00;
  --text: #3b3b3a;
  --muted: #6b6b6a;
  --bg: #ffffff;
  --bg-soft: #f1f3f5;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(23, 35, 61, .12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1140px, 92%); margin: 0 auto; }
section { padding: 72px 0; }
.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--navy); line-height: 1.2; }
.section-head p { color: var(--muted); margin-top: 10px; }
.eyebrow { color: var(--blue); font-weight: 700; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 8px; display: block; }

/* Tombol */
.btn {
  display: inline-block; padding: 13px 24px; border-radius: 999px;
  font-weight: 700; font-size: .95rem; border: 2px solid transparent;
  transition: transform .15s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: var(--navy); }
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline { border-color: #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: var(--navy); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-2); }

/* Header */
.header { position: sticky; top: 0; z-index: 50; background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.06); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--navy); font-size: 1.15rem; }
.logo img { height: 40px; width: auto; }
.nav { display: flex; gap: 26px; align-items: center; }
.nav a { font-weight: 600; font-size: .95rem; color: var(--navy); }
.nav a:hover { color: var(--brand); }
.nav .btn:hover { color: var(--navy); }
.nav .btn { padding: 9px 18px; color: var(--navy); }
.menu-toggle { display: none; background: none; border: 0; font-size: 1.7rem; color: var(--navy); cursor: pointer; }

/* Hero */
.hero {
  /* Banner hero: ganti nama file di baris background-image kalau gambarnya diganti. */
  background-color: var(--navy);
  background-image: url("images/Banner.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff; padding: 110px 0 100px;
}
.hero .eyebrow { color: var(--accent) !important; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.12; max-width: 760px; }
.hero h1 span { color: var(--accent); }
.hero p { max-width: 580px; margin: 18px 0 30px; font-size: 1.1rem; color: #d6e0ee; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Fakta */
.facts { background: var(--navy); color: #fff; padding: 34px 0; }
.facts .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.facts strong { display: block; color: var(--accent); font-size: 1.5rem; }
.facts span { font-size: .9rem; color: #c3d0e4; }

/* Produk */
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; display: flex; flex-direction: column; transition: transform .2s;
}
.card:hover { transform: translateY(-5px); }
.card .img { background: #fff; aspect-ratio: 1/1; display: grid; place-items: center; }
.card .img img { width: 100%; height: 100%; object-fit: cover; }
.card .body { padding: 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card .tag { font-size: .72rem; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: .08em; }
.card h3 { font-size: 1rem; color: var(--navy); line-height: 1.3; }
.card .links { margin-top: auto; padding-top: 10px; display: flex; justify-content: space-between; font-size: .88rem; font-weight: 700; }
.card .links a:first-child { color: var(--blue); }
.card .links a:last-child { color: #1a9f4b; }

/* Solar */
.solar { background: var(--bg-soft); }
.solar .container { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.solar img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; }
.solar h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--navy); margin-bottom: 14px; }
.solar p { color: var(--muted); margin-bottom: 22px; }

/* Keunggulan */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.why-item { padding: 26px; border-radius: var(--radius); border: 1px solid #e3e9f2; }
.why-item .icon { width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg, var(--teal), var(--brand)); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1.2rem; margin-bottom: 14px; }
.why-item h3 { color: var(--navy); margin-bottom: 6px; }
.why-item p { color: var(--muted); font-size: .95rem; }

/* Proyek */
.projects { background: var(--bg-soft); }
.projects-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.project { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow); }
.project img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.project:hover img { transform: scale(1.06); }
.project figcaption {
  position: absolute; inset: auto 0 0 0; padding: 30px 14px 12px;
  background: linear-gradient(transparent, rgba(23,35,61,.92)); color: #fff; font-size: .88rem; font-weight: 600;
}

/* Testimoni */
.testi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.testi { background: #fff; border-left: 5px solid var(--cyan); border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px; }
.testi p { font-size: 1rem; margin-bottom: 14px; }
.testi cite { font-style: normal; font-weight: 700; color: var(--navy); font-size: .9rem; display: block; }
.testi cite small { display: block; font-weight: 500; color: var(--muted); }

/* CTA */
.cta { background: linear-gradient(120deg, var(--teal), var(--brand)); color: #fff; text-align: center; }
.cta h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 12px; }
.cta p { color: #e6f3fb; max-width: 560px; margin: 0 auto 26px; }
.cta .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.footer { background: #0f1829; color: #aab8cd; padding: 36px 0; font-size: .9rem; }
.footer .container { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer strong { color: #fff; }

/* Tombol WhatsApp melayang */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  background: #25d366; color: #fff; font-weight: 700; padding: 13px 20px;
  border-radius: 999px; box-shadow: 0 6px 20px rgba(0,0,0,.25);
}
.wa-float:hover { background: #1ebe5a; }

/* Responsif */
@media (max-width: 960px) {
  .products-grid, .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .solar .container { grid-template-columns: 1fr; }
  .facts .container { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  section { padding: 52px 0; }
  .menu-toggle { display: block; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 18px 0 24px; gap: 16px; box-shadow: 0 10px 20px rgba(0,0,0,.08); }
  .nav.open { display: flex; }
  .hero { padding: 70px 0 64px; background-position: left center; }
}
@media (max-width: 480px) {
  .products-grid { gap: 12px; }
  .card .body { padding: 12px; }
}

/* ===== Halaman produk & kategori (ditambahkan) ===== */
.center { text-align: center; margin-top: 32px; }

/* Kartu kategori di homepage */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cat-card {
  position: relative; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; display: flex; flex-direction: column; transition: transform .2s;
}
.cat-card:hover { transform: translateY(-5px); }
.cat-card .img { background: #fff; aspect-ratio: 4/3; display: grid; place-items: center; }
.cat-card .img img { width: 100%; height: 100%; object-fit: contain; padding: 12px; }
.cat-card .body { padding: 16px 20px 20px; border-top: 1px solid #eef1f5; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.cat-card .count { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); }
.cat-card h3 { color: var(--navy); font-size: 1.2rem; }
.cat-card p { color: var(--muted); font-size: .92rem; }
.cat-card .more { margin-top: auto; padding-top: 10px; font-weight: 700; font-size: .9rem; color: var(--blue); }
.badge-top {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  background: var(--accent); color: var(--navy); font-size: .72rem; font-weight: 800;
  padding: 4px 12px; border-radius: 999px; letter-spacing: .04em; text-transform: uppercase;
}
.badge-dummy {
  position: absolute; left: 10px; top: 10px; z-index: 2;
  background: rgba(23, 35, 61, .82); color: #fff; font-size: .68rem; font-weight: 600;
  padding: 3px 10px; border-radius: 999px;
}

/* Kartu produk (dipakai di Produk & Produk lainnya) */
.card .img { position: relative; }
.card h3 a { color: inherit; }
.card .meta { color: var(--muted); font-size: .8rem; }

/* Header halaman dalam */
.page-hero { background: linear-gradient(120deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; padding: 44px 0 40px; }
.page-hero h1 { font-size: clamp(1.5rem, 3.4vw, 2.3rem); line-height: 1.2; max-width: 900px; }
.crumbs { font-size: .85rem; color: #b9c9de; margin-bottom: 10px; }
.crumbs a { color: #fff; }
.crumbs a:hover { color: var(--accent); }
.crumbs span { margin: 0 8px; opacity: .6; }

/* Daftar produk */
.jump { background: var(--bg-soft); padding: 16px 0; position: sticky; top: 72px; z-index: 40; border-bottom: 1px solid #e3e9f2; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; }
.chips a {
  display: inline-block; padding: 8px 18px; border-radius: 999px; background: #fff;
  border: 1px solid #d3dce9; font-weight: 600; font-size: .9rem; color: var(--navy);
  transition: background .2s, color .2s;
}
.chips a:hover, .chips a.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.cat-section { padding: 48px 0 8px; scroll-margin-top: 140px; }
.cat-section .section-head { margin-bottom: 22px; }
.cat-section:last-of-type { padding-bottom: 64px; }

/* Detail produk */
.pd { padding: 40px 0 28px; }
.pd-grid { display: grid; grid-template-columns: 5fr 6fr; gap: 44px; align-items: start; }
.pd-img { position: relative; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.pd-img img { width: 100%; aspect-ratio: 1/1; object-fit: contain; }
.pd-info .lead { font-size: 1.1rem; color: var(--text); margin: 8px 0 18px; }
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.tags li { background: var(--bg-soft); color: var(--blue); font-weight: 700; font-size: .82rem; padding: 6px 14px; border-radius: 999px; }
.pd-info .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-line { border-color: var(--blue); color: var(--blue); }
.btn-line:hover { background: var(--blue); color: #fff; }

.pd-specs { background: var(--bg-soft); padding: 40px 0 56px; }
.spec-title { color: var(--navy); font-size: 1.5rem; margin: 0 0 16px; }
.spec-group + .spec-title { margin-top: 38px; }
.spec-group { margin-bottom: 22px; }
.spec-group h3 { color: var(--blue); font-size: .95rem; margin-bottom: 8px; text-transform: uppercase; letter-spacing: .06em; }
table.spec { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
table.spec th, table.spec td { padding: 12px 18px; border-bottom: 1px solid #e8edf3; text-align: left; vertical-align: top; font-size: .95rem; }
table.spec th { width: 34%; color: var(--navy); font-weight: 600; background: #fafbfd; }
table.spec tr:last-child th, table.spec tr:last-child td { border-bottom: 0; }
.features { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 28px; margin-top: 8px; }
.features li { position: relative; padding-left: 32px; font-size: .95rem; }
.features li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--cyan); color: #fff; font-size: .75rem; font-weight: 700; display: grid; place-items: center;
}
.related { padding: 56px 0 64px; }

/* Footer lengkap */
.footer .footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.footer .footer-grid a { color: #fff; }
.footer .footer-bottom { display: block; margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: .82rem; }

@media (max-width: 960px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .pd-grid { grid-template-columns: 1fr; gap: 26px; }
  .features { grid-template-columns: 1fr; }
  .footer .footer-grid { grid-template-columns: 1fr; }
  .jump { top: 72px; }
}
@media (max-width: 480px) {
  .cat-grid { gap: 12px; }
  .cat-card .body { padding: 12px 14px 16px; }
  .cat-card h3 { font-size: 1.05rem; }
  table.spec th { width: 42%; }
  table.spec th, table.spec td { padding: 10px 12px; font-size: .9rem; }
}