/* Demo paket Corporate Basic (R28): website perusahaan HINGGA 5 HALAMAN (Beranda, Tentang, Layanan, Galeri, Kontak),
   responsif, WhatsApp + formulir kontak + peta lokasi, optimasi dasar SEO per halaman. Desain usaha contoh "CISA Bangun"
   (kontraktor & renovasi) — terpisah dari token CISA (docs/07 butir 28). Sengaja TANPA panel CMS, berita, FAQ, lightbox,
   dan animasi gulir (fitur paket di atasnya). */
:root {
  --ink: #18212c; --ink-2: #3a4554; --muted: #677282; --paper: #f4f2ed; --sand: #e9e4da; --white: #fff; --line: #ddd7cb;
  --amber: #f2a900; --amber-2: #c98800; --amber-soft: #fdf1d3; --steel: #24384a; --wa: #1fa855;
  --head: "Archivo", "Arial Narrow", system-ui, sans-serif; --sans: "Public Sans", system-ui, sans-serif;
  --bar-h: 0px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.65 var(--sans); }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
.in { width: 100%; max-width: 1200px; margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
h1, h2, h3 { font-family: var(--head); font-weight: 800; line-height: 1.08; letter-spacing: -.015em; margin: 0; }
h2 { font-size: clamp(30px, 4vw, 44px); }
h3 { font-size: 21px; font-weight: 700; letter-spacing: -.005em; }
p { margin: 0; }
.kicker { display: inline-flex; align-items: center; gap: 10px; font: 700 13px/1.2 var(--head); letter-spacing: .14em; text-transform: uppercase; color: var(--amber-2); }
.kicker::before { content: ""; width: 26px; height: 3px; background: var(--amber); }
.lead { font-size: 19px; color: var(--ink-2); max-width: 60ch; }
.sec { padding: clamp(64px, 9vw, 112px) 0; }
.sec--white { background: var(--white); }
.sec--dark { background: var(--steel); color: var(--white); }
.sec__head { display: grid; gap: 14px; max-width: 720px; margin-bottom: 44px; }
.sec__head--split { max-width: none; grid-template-columns: 1fr auto; align-items: end; gap: 14px 40px; }
@media (max-width: 760px) { .sec__head--split { grid-template-columns: 1fr; } }

/* Tombol */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px; border-radius: 4px; border: 0; font: 700 16px/1 var(--head); text-decoration: none; cursor: pointer; transition: background-color .2s ease, color .2s ease, box-shadow .2s ease; }
.btn--amber { background: var(--amber); color: var(--ink); }
.btn--amber:hover { background: #ffbd1f; }
.btn--ghost { color: var(--white); box-shadow: inset 0 0 0 2px rgba(255,255,255,.55); }
.btn--ghost:hover { box-shadow: inset 0 0 0 2px var(--white); background: rgba(255,255,255,.08); }
.btn--ink { background: var(--ink); color: var(--white); }
.btn--ink:hover { background: var(--steel); }
.btn--line { color: var(--ink); box-shadow: inset 0 0 0 2px var(--ink); }
.btn--line:hover { background: var(--ink); color: var(--white); }
.btn svg { width: 20px; height: 20px; flex: none; }
.arrow { display: inline-flex; align-items: center; gap: 8px; font: 700 16px/1.2 var(--head); text-decoration: none; color: var(--ink); border-bottom: 2px solid var(--amber); padding-bottom: 3px; }
.arrow:hover { color: var(--amber-2); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

/* Kepala situs + menu */
.top { background: var(--ink); color: #c7ced8; font-size: 14px; }
.top .in { display: flex; justify-content: space-between; gap: 8px 24px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
.top span { display: inline-flex; align-items: center; gap: 8px; }
.top svg { width: 15px; height: 15px; color: var(--amber); }
@media (max-width: 760px) { .top { display: none; } }
.hd { position: sticky; top: var(--bar-h); z-index: 50; background: var(--white); border-bottom: 1px solid var(--line); }
.hd .in { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 76px; }
.logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.logo__mark { display: grid; place-items: center; width: 42px; height: 42px; background: var(--amber); color: var(--ink); font: 800 17px/1 var(--head); letter-spacing: -.02em; clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%); }
.logo__txt { display: grid; line-height: 1.1; }
.logo__txt b { font: 800 20px/1.05 var(--head); letter-spacing: -.01em; }
.logo__txt small { font-size: 12.5px; color: var(--muted); letter-spacing: .02em; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { position: relative; padding: 10px 14px; font: 600 16px/1 var(--head); text-decoration: none; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: -2px; height: 3px; background: var(--amber); }
.nav .btn { margin-left: 12px; min-height: 46px; padding: 0 18px; color: var(--ink); }
.nav .btn::after { display: none; }
.burger { display: none; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px; border: 2px solid var(--ink); border-radius: 4px; background: none; color: var(--ink); font: 700 15px/1 var(--head); cursor: pointer; }
.burger i, .burger i::before, .burger i::after { display: block; width: 18px; height: 2px; background: currentColor; position: relative; transition: transform .2s ease; }
.burger i::before, .burger i::after { content: ""; position: absolute; left: 0; }
.burger i::before { top: -6px; } .burger i::after { top: 6px; }
.burger[aria-expanded="true"] i { background: transparent; }
.burger[aria-expanded="true"] i::before { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] i::after { transform: translateY(-6px) rotate(-45deg); }
@media (max-width: 900px) {
  .burger { display: inline-flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: 8px max(20px, env(safe-area-inset-left, 0px)) 20px; background: var(--white); border-bottom: 1px solid var(--line); box-shadow: 0 24px 30px -24px rgba(24,33,44,.35); }
  .nav.open { display: flex; }
  .nav a { padding: 16px 4px; border-bottom: 1px solid var(--sand); font-size: 18px; }
  .nav a[aria-current="page"]::after { left: 0; right: auto; top: 14px; bottom: 14px; width: 3px; height: auto; }
  .nav a[aria-current="page"] { padding-left: 14px; }
  .nav .btn { margin: 16px 0 0; min-height: 52px; border-bottom: 0; }
}

/* Pembuka Beranda */
.hero { position: relative; color: var(--white); background: var(--ink); overflow: hidden; }
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 60% 40%; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(14,20,28,.92) 0%, rgba(14,20,28,.78) 42%, rgba(14,20,28,.25) 100%); }
.hero .in { position: relative; z-index: 2; display: grid; align-content: center; gap: 24px; min-height: min(78vh, 720px); padding-top: 72px; padding-bottom: 72px; }
.hero h1 { font-size: clamp(40px, 6.4vw, 76px); max-width: 13ch; }
.hero h1 em { font-style: normal; color: var(--amber); }
.hero .lead { color: #dfe4ea; max-width: 52ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }
.hero__cta .btn--ghost svg { color: #46d17f; }
.promise { position: relative; z-index: 3; margin-top: -1px; background: var(--amber); color: var(--ink); }
.promise ul { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; list-style: none; }
.promise li { display: flex; align-items: center; gap: 14px; padding: 22px 20px; font: 700 17px/1.3 var(--head); }
.promise li + li { border-left: 1px solid rgba(24,33,44,.18); }
.promise svg { width: 28px; height: 28px; flex: none; }
@media (max-width: 760px) {
  .hero::before { background: linear-gradient(180deg, rgba(14,20,28,.55) 0%, rgba(14,20,28,.88) 60%); }
  .hero .in { min-height: 0; padding-top: 120px; padding-bottom: 48px; }
  .hero__cta .btn { flex: 1 1 100%; }
  .promise ul { grid-template-columns: 1fr; }
  .promise li { padding: 16px 0; }
  .promise li + li { border-left: 0; border-top: 1px solid rgba(24,33,44,.18); }
}

/* Pembuka halaman dalam */
.ph { background: var(--ink); color: var(--white); position: relative; overflow: hidden; }
.ph::after { content: ""; position: absolute; right: 0; bottom: 0; width: 280px; height: 100%; max-height: 280px; background: repeating-linear-gradient(-45deg, var(--amber) 0 16px, transparent 16px 34px); opacity: .18; clip-path: polygon(100% 0, 100% 100%, 0 100%); }
.ph .in { position: relative; z-index: 1; display: grid; gap: 14px; padding-top: 56px; padding-bottom: 56px; }
.ph h1 { font-size: clamp(36px, 5vw, 58px); }
.ph .lead { color: #c7ced8; }
.crumb { display: flex; gap: 8px; margin: 0; padding: 0; list-style: none; font-size: 14px; color: #9aa6b4; }
.crumb li + li::before { content: "/"; margin-right: 8px; }
.crumb a { text-decoration: none; } .crumb a:hover { color: var(--amber); }

/* Kartu layanan */
.svc { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--line); border: 2px solid var(--line); }
.svc a { display: grid; align-content: start; gap: 12px; padding: 30px 26px 28px; background: var(--white); text-decoration: none; transition: background-color .2s ease; }
.svc a:hover { background: var(--amber-soft); }
.svc__ico { display: grid; place-items: center; width: 52px; height: 52px; background: var(--ink); color: var(--amber); }
.svc__ico svg { width: 28px; height: 28px; }
.svc p { color: var(--muted); font-size: 16px; }
.svc .more { margin-top: 6px; font: 700 15px/1 var(--head); color: var(--amber-2); }
@media (max-width: 980px) { .svc { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .svc { grid-template-columns: 1fr; } }

/* Langkah kerja */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin: 0; padding: 0; list-style: none; counter-reset: s; }
.steps li { counter-increment: s; display: grid; gap: 10px; padding-top: 22px; border-top: 3px solid var(--amber); }
.steps li::before { content: "0" counter(s); font: 800 15px/1 var(--head); color: var(--amber); letter-spacing: .1em; }
.steps p { color: #c7ced8; font-size: 16px; }
.sec:not(.sec--dark) .steps p { color: var(--muted); }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Proyek pilihan / galeri */
.works { display: grid; grid-template-columns: 1.4fr 1fr; grid-template-rows: auto auto; gap: 16px; }
.works figure:first-child { grid-row: span 2; }
.works img, .gal img { width: 100%; height: 100%; object-fit: cover; }
.shot { position: relative; margin: 0; overflow: hidden; background: var(--sand); }
.shot figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 20px 16px; background: linear-gradient(180deg, transparent, rgba(14,20,28,.85)); color: var(--white); }
.shot figcaption b { display: block; font: 700 18px/1.25 var(--head); }
.shot figcaption span { font-size: 14px; color: #d4dae1; }
.works figure:first-child { aspect-ratio: auto; min-height: 460px; }
.works figure:not(:first-child) { aspect-ratio: 16 / 10; }
@media (max-width: 760px) { .works { grid-template-columns: 1fr; } .works figure:first-child { min-height: 0; aspect-ratio: 4 / 3; grid-row: auto; } }
.gal { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gal .shot { aspect-ratio: 4 / 3; }
.tag { display: inline-block; margin-bottom: 6px; padding: 3px 8px; background: var(--amber); color: var(--ink); font: 700 11.5px/1.3 var(--head); letter-spacing: .08em; text-transform: uppercase; }
@media (max-width: 900px) { .gal { grid-template-columns: repeat(2, 1fr); } .gal .shot:last-child { grid-column: 1 / -1; aspect-ratio: 16 / 8; } }
@media (max-width: 560px) { .gal { grid-template-columns: 1fr; } .gal .shot:last-child { aspect-ratio: 4 / 3; } }

/* Ajakan */
.cta { background: var(--amber); }
.cta .in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px 40px; padding-top: 56px; padding-bottom: 56px; }
.cta h2 { font-size: clamp(28px, 3.6vw, 40px); max-width: 22ch; }
.cta p { margin-top: 10px; color: var(--ink-2); }
.cta__act { display: flex; flex-wrap: wrap; gap: 12px; }
.cta .btn--line:hover { color: var(--amber); }

/* Dua kolom: teks + foto */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.split__img { position: relative; }
.split__img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.split__img::before { content: ""; position: absolute; left: -16px; top: -16px; width: 45%; height: 45%; border-left: 6px solid var(--amber); border-top: 6px solid var(--amber); }
.split__txt { display: grid; gap: 18px; }
.split__txt p { color: var(--ink-2); }
.split--rev .split__img { order: 2; }
.split--rev .split__img::before { left: auto; right: -16px; border-left: 0; border-right: 6px solid var(--amber); }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } .split--rev .split__img { order: 0; } .split__img::before { left: -8px; top: -8px; } .split--rev .split__img::before { right: -8px; } }

/* Nilai, tim, wilayah */
.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { display: grid; align-content: start; gap: 10px; padding: 28px; background: var(--white); border: 1px solid var(--line); border-top: 4px solid var(--amber); }
.card p { color: var(--muted); font-size: 16px; }
@media (max-width: 860px) { .cards3 { grid-template-columns: 1fr; } }
.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 0; padding: 0; list-style: none; }
.team li { display: grid; gap: 6px; padding: 24px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); }
.team__ini { display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: 8px; border-radius: 50%; background: var(--amber); color: var(--ink); font: 800 19px/1 var(--head); }
.team b { font: 700 18px/1.25 var(--head); }
.team span { color: #c7ced8; font-size: 15px; }
@media (max-width: 900px) { .team { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .team { grid-template-columns: 1fr; } }
.areas { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.areas li { padding: 10px 16px; background: var(--white); border: 1px solid var(--line); font: 600 16px/1.2 var(--head); }

/* Halaman Layanan */
.svc-list { display: grid; gap: clamp(56px, 8vw, 96px); }
.svc-row h2 { font-size: clamp(28px, 3.4vw, 38px); }
.incl { display: grid; gap: 10px; margin: 4px 0 0; padding: 0; list-style: none; }
.incl li { position: relative; padding-left: 30px; color: var(--ink-2); }
.incl li::before { content: ""; position: absolute; left: 0; top: 6px; width: 18px; height: 18px; background: var(--amber) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2318212c' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 13px no-repeat; }
.price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; padding: 16px 18px; background: var(--white); border-left: 4px solid var(--amber); }
.price b { font: 800 22px/1.1 var(--head); }
.price span { color: var(--muted); font-size: 15px; }
.always { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 0; padding: 0; list-style: none; }
.always li { display: grid; gap: 8px; }
.always svg { width: 34px; height: 34px; color: var(--amber); }
.always b { font: 700 18px/1.25 var(--head); }
.always span { color: #c7ced8; font-size: 15.5px; }
@media (max-width: 900px) { .always { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .always { grid-template-columns: 1fr; } }

/* Kontak */
.contact { display: grid; grid-template-columns: 1.25fr 1fr; gap: 32px; align-items: start; }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; } }
.panel { padding: clamp(24px, 4vw, 40px); background: var(--white); border: 1px solid var(--line); }
.panel h2 { font-size: clamp(26px, 3vw, 32px); }
.panel > p { margin-top: 8px; color: var(--muted); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 26px; }
.fld { display: grid; gap: 7px; }
.fld--full { grid-column: 1 / -1; }
.fld label { font: 700 15px/1.2 var(--head); }
.fld label small { font: 400 13.5px var(--sans); color: var(--muted); }
.fld input, .fld select, .fld textarea { width: 100%; min-height: 50px; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 4px; background: var(--paper); color: var(--ink); font: 400 16px/1.4 var(--sans); }
.fld textarea { min-height: 120px; resize: vertical; }
.fld input:focus, .fld select:focus, .fld textarea:focus { border-color: var(--ink); background: var(--white); outline: none; box-shadow: 0 0 0 3px var(--amber-soft); }
.fld .msg { display: none; color: #b42318; font-size: 14px; }
.fld.err input, .fld.err select { border-color: #b42318; }
.fld.err .msg { display: block; }
.form[hidden] { display: none; }
.form .btn { grid-column: 1 / -1; justify-self: start; }
@media (max-width: 560px) { .form { grid-template-columns: 1fr; } .form .btn { justify-self: stretch; } }
.done { display: none; margin-top: 26px; padding: 24px; background: var(--amber-soft); border-left: 4px solid var(--amber); }
.done.on { display: grid; gap: 14px; }
.done h3 { font-size: 22px; }
.done dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; margin: 0; }
.done dt { font-weight: 700; } .done dd { margin: 0; color: var(--ink-2); }
.info { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.info li { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; padding: 18px 0; border-bottom: 1px solid var(--sand); }
.info li:first-child { padding-top: 0; }
.info svg { width: 22px; height: 22px; }
.info__ico { display: grid; place-items: center; width: 44px; height: 44px; background: var(--ink); color: var(--amber); }
.info b { display: block; font: 700 16px/1.3 var(--head); }
.info div span, .info div a { color: var(--ink-2); font-size: 16px; }
.side { display: grid; gap: 20px; }
.side .btn { width: 100%; }
.map { position: relative; aspect-ratio: 4 / 3; background: var(--sand); border: 1px solid var(--line); }
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* Kaki situs */
.ft { background: var(--ink); color: #c7ced8; font-size: 15.5px; }
.ft .in { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; padding-top: 64px; padding-bottom: 32px; }
.ft .logo__txt b { color: var(--white); } .ft .logo__txt small { color: #9aa6b4; }
.ft h3 { font-size: 15px; letter-spacing: .12em; text-transform: uppercase; color: var(--white); margin-bottom: 14px; }
.ft ul { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.ft a { text-decoration: none; } .ft a:hover { color: var(--amber); }
.ft__about p { margin-top: 16px; max-width: 38ch; }
.ft__base { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13.5px; color: #8d99a8; }
@media (max-width: 760px) { .ft .in { grid-template-columns: 1fr; gap: 28px; } }

/* WhatsApp melayang */
.wa-float { position: fixed; right: max(18px, env(safe-area-inset-right, 0px)); bottom: max(18px, env(safe-area-inset-bottom, 0px)); z-index: 60; display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; background: var(--wa); color: var(--white); box-shadow: 0 14px 28px -10px rgba(31,168,85,.7); }
.wa-float svg { width: 30px; height: 30px; }