/* ==========================================================================
   PT Bentang Pilar Nusantara — kerangka bersama
   Token, tipografi dasar, header, footer, tombol. Dipakai semua halaman:
   beranda, layanan, dan halaman detail layanan.
   Aksen mengikuti logo asli: navy #00436A + mint #63C39E (mint hanya grafis).
   ========================================================================== */

:root {
  --paper:      #FBFAF7;
  --paper-2:    #F3F1EA;
  --ink:        #14202A;
  --muted:      #5C6660;
  --line:       #E2DFD5;
  --line-soft:  #EDEAE2;
  --navy:       #00436A;
  --mint:       #63C39E;

  --wrap: 1180px;
  --pad: 32px;
  --header-h: 76px;
  /* Lebar blok merek, dalam persen dari lebar header; tinggi logo ikut rasio
     1223 : 542 karena hanya lebarnya yang diatur. */
  --brand-w: 12%;

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.skip { position: absolute; left: -9999px; top: 0; }
.skip:focus {
  left: 16px; top: 52px; z-index: 30;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 10px 16px;
  font-size: 14px;
}

/* -------------------------------------------------------------- header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header-h);
  background: rgba(251, 250, 247, .96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  width: var(--brand-w);
  min-width: 112px;
  max-width: 158px;
}
/* Logo dipakai apa adanya: lebar mengikuti blok merek, tinggi mengikuti rasio
   1223 : 542 sehingga tidak pernah gepeng. */
.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-size: 14.5px;
  color: #2B353D;
}
.nav a {
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-color .16s ease;
}
.nav a:hover { border-color: var(--ink); }
.nav a[aria-current="page"] { border-color: var(--ink); color: var(--ink); }
.nav .nav-phone { display: none; }

.header-phone {
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--navy);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color .16s ease;
}
.header-phone:hover { border-color: var(--navy); }

/* ---------------------------------------------------------- tipografi --- */
.eyebrow {
  margin: 0 0 clamp(14px, 2.4vh, 20px);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--mint);
  margin-right: 12px;
  vertical-align: 4px;
}

h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.7rem, 2.6vw, 2.35rem);
  line-height: 1.14;
  letter-spacing: -.012em;
  max-width: 26ch;
}

.section-head {
  display: grid;
  grid-template-columns: 1.35fr .85fr;
  gap: 56px;
  align-items: end;
  margin-bottom: clamp(22px, 4vh, 40px);
}

.section-note {
  margin: 0 0 2px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 42ch;
}

/* ------------------------------------------------- kepala halaman & band --- */
.page-head { padding: clamp(40px, 7vh, 74px) 0 clamp(26px, 4vh, 44px); }

.crumbs {
  margin: 0 0 clamp(24px, 4vh, 34px);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--muted);
}
.crumbs a { border-bottom: 1px solid transparent; transition: border-color .16s ease; }
.crumbs a:hover { border-color: var(--muted); }
.crumbs .sep { margin: 0 9px; color: #B4B0A4; }

.page-head h1 {
  margin: 0 0 clamp(18px, 2.6vh, 24px);
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.05rem, 4.1vw, 3.25rem);
  line-height: 1.07;
  letter-spacing: -.02em;
  max-width: 23ch;
  text-wrap: balance;
}

.page-lead {
  margin: 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.7;
  color: #3C463F;
}

.band { padding: clamp(44px, 7vh, 78px) 0; }

.band-soft {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.band[id] { scroll-margin-top: calc(var(--header-h) + 12px); }

/* ------------------------------------------------------------- tombol --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  background: var(--navy);
  color: var(--paper);
  border-radius: 2px;
  font-size: 15px;
  font-weight: 500;
  transition: background .16s ease;
}
.btn:hover { background: #003150; }

.btn-light { background: var(--paper); color: var(--navy); }
.btn-light:hover { background: #E9F3EE; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color .16s ease;
}
.link-arrow span { transition: transform .16s ease; }
.link-arrow:hover { border-color: var(--ink); }
.link-arrow:hover span { transform: translateX(3px); }

/* --------------------------------------------------------------- steps --- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(32px, 5vw, 64px);
}

.steps li { padding-top: 26px; border-top: 1px solid var(--ink); }

.step-num {
  display: block;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  margin-bottom: 14px;
}

.steps h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 20.5px;
  line-height: 1.3;
}

.steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

/* -------------------------------------------------------------- footer --- */
.site-footer {
  padding: 56px 0 24px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr 1.15fr;
  gap: 44px;
}

/* Lambang footer: kotak 512 x 512, jadi cukup lebarnya yang diatur. */
.footer-brand img { width: 36px; height: auto; margin-bottom: 12px; }
.footer-brand p,
.footer-contact p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 36ch;
}
.footer-contact p + p { margin-top: 10px; }

.site-footer h4 {
  margin: 0 0 12px;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
}

.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 7px; }
.site-footer li a { font-size: 13px; color: var(--muted); transition: color .16s ease; }
.site-footer li a:hover { color: var(--navy); }

.footer-contact a { color: var(--muted); }
.footer-contact a:hover { color: var(--navy); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 44px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--muted);
}
.footer-bottom a { border-bottom: 1px solid var(--line); }
.footer-bottom a:hover { border-color: var(--muted); }

/* ---------------------------------------------------------- responsive --- */
@media (max-width: 900px) {
  :root { --header-h: 64px; }

  .section-head { grid-template-columns: 1fr; gap: 16px; align-items: start; }

  .steps { grid-template-columns: 1fr; gap: 26px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 860px) {
  .header-inner { gap: 8px 20px; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    gap: 20px;
    padding: 10px var(--pad) 12px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    font-size: 14px;
    margin-left: 0;
  }
  .header-phone { margin-left: auto; }
  .site-header { height: auto; }
  .site-header .header-inner { height: var(--header-h); padding-top: 0; padding-bottom: 0; }
}

@media (max-width: 640px) {
  :root { --pad: 20px; }

  .page-head h1 { max-width: none; text-wrap: normal; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { margin-top: 32px; }
}

@media (max-width: 600px) {
  .header-phone { display: none; }
  .nav .nav-phone { display: inline; margin-left: auto; color: var(--navy); }
  .nav { gap: 16px; }
}

@media (max-width: 560px) {
  .brand { --brand-w: 32%; }
  .header-phone { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}