/* ==========================================================================
   PT. Musindo Alir Abadi — sewa & jual mobile crane dan truck
   Zero-dependency stylesheet. Mobile first.
   ========================================================================== */

/* --- Tokens --------------------------------------------------------------- */
:root {
  --ink: #043D57;
  --brand: #065A80;
  --accent: #06ADD4;
  --paper: #F0F9FD;
  --white: #FFFFFF;

  --ink-80: rgba(4, 61, 87, .80);
  --ink-64: rgba(4, 61, 87, .64);
  --ink-16: rgba(4, 61, 87, .16);
  --ink-10: rgba(4, 61, 87, .10);
  --on-dark: rgba(240, 249, 253, .82);
  --on-dark-line: rgba(240, 249, 253, .20);

  --font-display: "Montserrat", "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --s-1: .5rem;
  --s-2: .75rem;
  --s-3: 1rem;
  --s-4: 1.5rem;
  --s-5: 2rem;
  --s-6: 3rem;
  --s-7: 4.5rem;

  --wrap: 1200px;
  --gutter: clamp(1.125rem, 4vw, 2.5rem);
  --tap: 44px;
}

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

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

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1rem, .96rem + .2vw, 1.0625rem);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-underline-offset: .18em;
}

img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -.015em;
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: clamp(2rem, 1.35rem + 3.1vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.125rem); }
h3 { font-size: clamp(1.0625rem, 1rem + .3vw, 1.1875rem); letter-spacing: -.005em; }
p { margin: 0; text-wrap: pretty; }

a { color: var(--brand); text-decoration-thickness: 1px; }
a:hover { color: var(--ink); }

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

[id] { scroll-margin-top: 84px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: var(--s-3); top: -100px;
  z-index: 100;
  padding: .75rem 1rem;
  min-height: var(--tap);
  display: inline-flex; align-items: center;
  background: var(--ink);
  color: var(--white);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { top: var(--s-3); }

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

/* --- Buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .625rem;
  min-height: 48px;
  padding: .75rem 1.25rem;
  font-family: var(--font-body);
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: .005em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn__icon { display: inline-flex; flex: 0 0 auto; }
.btn__icon svg { display: block; }

.btn--solid {
  background: var(--brand);
  color: var(--white);
  border-color: var(--brand);
}
.btn--solid:hover { background: var(--ink); border-color: var(--ink); color: var(--white); }

.btn--line {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink-16);
}
.btn--line:hover { border-color: var(--ink); color: var(--ink); background: var(--paper); }

.btn--on-dark.btn--solid { background: var(--white); color: var(--ink); border-color: var(--white); }
.btn--on-dark.btn--solid:hover { background: var(--paper); color: var(--ink); }
.btn--on-dark.btn--line { color: var(--white); border-color: var(--on-dark-line); }
.btn--on-dark.btn--line:hover { background: rgba(240, 249, 253, .10); border-color: var(--paper); color: var(--white); }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-top: var(--s-4);
}
.cta-row .btn { flex: 1 1 auto; }
@media (min-width: 480px) { .cta-row .btn { flex: 0 0 auto; } }

.inline-wa {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  min-height: var(--tap);
  font-size: .9375rem;
  font-weight: 600;
  color: var(--brand);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-16);
}
.inline-wa::after { content: "\2192"; font-weight: 700; }
.inline-wa:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* --- Section furniture ---------------------------------------------------- */
.section { padding-block: var(--s-6); }
@media (min-width: 900px) { .section { padding-block: var(--s-7); } }

.sec-head { max-width: 46ch; margin-bottom: var(--s-5); }
.sec-head__note { margin-top: var(--s-2); color: var(--ink-64); font-size: .9375rem; }

.kicker {
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: .625rem;
  display: flex;
  align-items: center;
  gap: .625rem;
}
.kicker::before {
  content: "";
  width: 28px; height: 3px;
  background: var(--accent);
  flex: 0 0 auto;
}
.kicker--invert { color: var(--paper); }

/* --- Header --------------------------------------------------------------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--ink-10);
  backdrop-filter: saturate(140%) blur(6px);
}
.head-inner {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  min-height: 68px;
  padding-block: .5rem;
}
.ident {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  margin-right: auto;
  min-height: var(--tap);
  text-decoration: none;
  color: var(--ink);
}
.ident__mark {
  width: auto;
  height: 34px;
  object-fit: contain;
  object-position: left center;
}
.ident__text {
  display: none;
  flex-direction: column;
  padding-left: .75rem;
  border-left: 1px solid var(--ink-16);
  line-height: 1.25;
}
.ident__text strong {
  font-family: var(--font-display);
  font-size: .875rem;
  letter-spacing: -.005em;
}
.ident__text span { font-size: .75rem; color: var(--ink-64); }

.site-nav { display: none; gap: .25rem; }
.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  padding-inline: .75rem;
  font-size: .9375rem;
  font-weight: 500;
  color: var(--ink-80);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--ink); border-bottom-color: var(--accent); }

.btn--head { padding-inline: .875rem; font-size: .875rem; }
.btn--head span:last-child { display: none; }

/* Mobile navigation — native details/summary disclosure, no JavaScript.
   Replaces .site-nav below 1000px. */
.nav-mobile { position: relative; flex: 0 0 auto; }

.nav-mobile > summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: var(--tap);
  min-width: var(--tap);
  padding-inline: .75rem;
  font-family: var(--font-body);
  font-size: .875rem;
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink-16);
  cursor: pointer;
  list-style: none;
}
.nav-mobile > summary::-webkit-details-marker { display: none; }
.nav-mobile > summary:hover,
.nav-mobile[open] > summary { border-color: var(--ink); background: var(--paper); }
.nav-mobile__ico { display: inline-flex; flex: 0 0 auto; color: var(--brand); }
.nav-mobile__ico svg { display: block; }

.nav-mobile__panel {
  position: absolute;
  top: calc(100% + .5rem);
  right: 0;
  z-index: 45;
  display: flex;
  flex-direction: column;
  min-width: 12.5rem;
  background: var(--white);
  border: 1px solid var(--ink-16);
  border-top: 3px solid var(--accent);
}
.nav-mobile__panel a {
  display: flex;
  align-items: center;
  min-height: var(--tap);
  padding-inline: var(--s-3);
  font-size: .9375rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-10);
}
.nav-mobile__panel a:last-child { border-bottom: 0; }
.nav-mobile__panel a:hover { background: var(--paper); color: var(--brand); }

/* Icon-only toggle on the narrowest screens; label stays in the a11y tree. */
@media (max-width: 479px) {
  .nav-mobile > summary { padding-inline: .625rem; }
  .nav-mobile__label {
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
}

@media (min-width: 480px) {
  .ident__mark { height: 38px; }
  .btn--head span:last-child { display: inline; }
}
@media (min-width: 720px) { .ident__text { display: flex; } }
@media (min-width: 1000px) {
  .site-nav { display: flex; }
  .nav-mobile { display: none; }
}

/* --- Lede grid (desktop recomposition: hero → stats → layanan) ------------ */
.lede-grid { display: block; }
@media (min-width: 1000px) {
  .lede-grid {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas: "hero" "stats" "services";
  }
  .hero { grid-area: hero; }
  .stats { grid-area: stats; }
  .services { grid-area: services; }
}

/* --- Hero ----------------------------------------------------------------- */
.hero {
  display: grid;
  gap: var(--s-5);
  padding-block: var(--s-5) var(--s-6);
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: var(--s-3);
}
.eyebrow__rule { width: 40px; height: 3px; background: var(--accent); flex: 0 0 auto; }

.hero h1 { max-width: 22ch; }
.lede {
  margin-top: var(--s-3);
  max-width: 54ch;
  font-size: clamp(1.0625rem, 1rem + .35vw, 1.1875rem);
  color: var(--ink-80);
}

.hero-facts {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: var(--s-5);
  border-top: 1px solid var(--ink-10);
}
.hero-facts li {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding-block: .6875rem;
  border-bottom: 1px solid var(--ink-10);
  font-size: .9375rem;
  font-weight: 500;
}
.hero-facts li::before {
  content: "";
  width: 8px; height: 8px;
  flex: 0 0 auto;
  background: var(--accent);
}

.hero__media { position: relative; }
.hero__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--ink-10);
}
.hero__media figcaption {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-top: .75rem;
  font-size: .8125rem;
  letter-spacing: .01em;
  color: var(--ink-64);
}
.hero__media .tag { width: 18px; height: 2px; background: var(--accent); flex: 0 0 auto; }

@media (min-width: 720px) {
  .hero-facts { grid-template-columns: 1fr 1fr; column-gap: var(--s-4); }
}
@media (min-width: 1000px) {
  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 4rem);
    padding-block: var(--s-6) var(--s-6);
  }
  .hero__copy { padding-top: var(--s-3); }
  .hero__media { margin-top: var(--s-6); }
  .hero__media img { aspect-ratio: 1 / 1; }
  .hero__media::before {
    content: "";
    position: absolute;
    top: calc(-1 * var(--s-4));
    left: calc(-1 * var(--s-3));
    width: 64px; height: 64px;
    border-top: 3px solid var(--accent);
    border-left: 3px solid var(--accent);
  }
}

/* --- Layanan: ledger ------------------------------------------------------ */
.services { border-top: 1px solid var(--ink-10); }

.ledger { display: grid; gap: 0; }
.ledger__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--s-3);
  padding-block: var(--s-4);
  border-bottom: 1px solid var(--ink-10);
}
.ledger__item:first-child { border-top: 1px solid var(--ink-16); }
.ledger__num {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--brand);
  padding-top: .1rem;
  padding-right: var(--s-2);
  border-right: 2px solid var(--accent);
  min-width: 3.25rem;
}
.ledger__body p {
  margin-top: .5rem;
  color: var(--ink-80);
  font-size: .9375rem;
  max-width: 52ch;
}
.ledger__body .inline-wa { margin-top: .375rem; }

@media (min-width: 760px) {
  .ledger { grid-template-columns: 1fr 1fr; column-gap: clamp(2rem, 4vw, 3.5rem); }
  .ledger__item:nth-child(2) { border-top: 1px solid var(--ink-16); }
}

/* --- Stats band ----------------------------------------------------------- */
.stats {
  background: var(--ink);
  color: var(--paper);
  padding: var(--s-5) var(--s-4);
  margin-top: var(--s-2);
}
.stats__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-4);
}
.stat { display: flex; flex-direction: column; gap: .25rem; }
.stat dt {
  order: 2;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--on-dark);
}
.stat dd {
  order: 1;
  display: flex;
  align-items: baseline;
  gap: .4rem;
  flex-wrap: wrap;
}
.stat__val {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.4rem + 2.6vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.stat__val--word { font-size: clamp(1.5rem, 1.1rem + 1.8vw, 2.25rem); }
.stat__val sup { font-size: .5em; top: -.05em; }
.stat__unit { font-size: .875rem; font-weight: 500; color: var(--paper); }

@media (min-width: 900px) {
  .stats { padding: var(--s-5); }
  .stats__grid { grid-template-columns: repeat(4, 1fr); gap: var(--s-5); }
  .stat + .stat { padding-left: var(--s-5); border-left: 1px solid var(--on-dark-line); }
}
@media (min-width: 1000px) {
  .stats { margin-top: 0; }
}

/* --- Armada: gallery ------------------------------------------------------ */
.fleet { background: var(--paper); }
.gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-3);
}
.gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--white);
  border: 1px solid var(--ink-10);
}
.gallery figcaption {
  padding-top: .625rem;
  margin-top: .625rem;
  border-top: 2px solid var(--accent);
  font-size: .875rem;
  font-weight: 600;
  color: var(--ink);
}
.fleet__cta { margin-top: var(--s-5); }

@media (min-width: 620px) { .gallery { grid-template-columns: 1fr 1fr; gap: var(--s-4); } }
@media (min-width: 980px) { .gallery { grid-template-columns: repeat(3, 1fr); } }

/* --- Industri ------------------------------------------------------------- */
.sector-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--ink-16);
}
.sector-grid > li {
  padding-block: var(--s-4);
  border-bottom: 1px solid var(--ink-10);
}
.sector__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  margin-bottom: var(--s-2);
  color: var(--accent);
  border: 1px solid var(--ink-10);
}
.sector-grid h3 { margin-bottom: .35rem; }
.sector-grid p { color: var(--ink-80); font-size: .9375rem; max-width: 40ch; }
.sector-note { display: flex; flex-direction: column; gap: var(--s-2); align-items: flex-start; }
.sector-note p { font-weight: 500; }

@media (min-width: 640px) {
  .sector-grid { grid-template-columns: 1fr 1fr; column-gap: clamp(1.5rem, 3vw, 3rem); }
  .sector-grid > li:nth-child(2) { border-top: 0; }
}
@media (min-width: 1000px) {
  .sector-grid { grid-template-columns: repeat(3, 1fr); }
  .sector-grid > li:nth-child(3) { border-top: 0; }
}

/* --- FAQ ------------------------------------------------------------------ */
.faq { background: var(--paper); }
.faq__inner { display: grid; gap: var(--s-4); }

.faq__list { border-top: 1px solid var(--ink-16); }
.faq details { border-bottom: 1px solid var(--ink-10); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  min-height: var(--tap);
  padding-block: .9375rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: 0 0 auto;
  width: 14px; height: 14px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg) translateY(-3px);
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(225deg) translateY(-3px); }
.faq summary:hover { color: var(--brand); }
.faq__answer {
  padding-bottom: var(--s-4);
  max-width: 62ch;
  color: var(--ink-80);
  font-size: .9375rem;
}

@media (min-width: 900px) {
  .faq__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); gap: clamp(2rem, 4vw, 4rem); }
  .faq .sec-head { margin-bottom: 0; }
}

/* --- Kontak --------------------------------------------------------------- */
.contact { background: var(--ink); color: var(--white); }
.contact__inner { display: grid; gap: var(--s-5); }
.contact h2 { max-width: 30ch; margin-bottom: var(--s-3); }
.contact__copy > p { color: var(--on-dark); max-width: 46ch; }

.checklist { margin-top: var(--s-3); display: grid; gap: .5rem; }
.checklist li {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  font-size: .9375rem;
  color: var(--paper);
}
.checklist li::before {
  content: "";
  flex: 0 0 auto;
  margin-top: .55em;
  width: 10px; height: 2px;
  background: var(--accent);
}

.contact__data {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--on-dark-line);
}
.contact__data > div {
  display: grid;
  grid-template-columns: minmax(7.5rem, 34%) minmax(0, 1fr);
  gap: var(--s-3);
  align-items: baseline;
  padding-block: .875rem;
  border-bottom: 1px solid var(--on-dark-line);
}
.contact__data dt {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--on-dark);
}
.contact__data dd { font-size: 1rem; font-weight: 600; color: var(--white); }
.contact__data a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  color: var(--white);
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
}
.contact__data a:hover { color: var(--accent); }
.contact :focus-visible { outline-color: var(--accent); }

@media (min-width: 900px) {
  .contact__inner { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(2.5rem, 5vw, 5rem); }
}

/* --- Footer --------------------------------------------------------------- */
.site-foot {
  background: var(--white);
  border-top: 1px solid var(--ink-10);
  padding-block: var(--s-5) calc(var(--s-6) + 3.5rem);
}
.foot-inner { display: grid; gap: var(--s-4); }
.foot__ident img { height: 40px; width: auto; object-fit: contain; object-position: left center; }
.foot__ident p { margin-top: var(--s-2); font-size: .875rem; color: var(--ink-64); max-width: 44ch; }
.site-foot h2 {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-64);
  margin-bottom: .25rem;
}
.site-foot li { font-size: .9375rem; }
.site-foot li a, .site-foot li {
  display: flex;
  align-items: center;
  min-height: var(--tap);
}
.site-foot li a { color: var(--ink); text-decoration: none; border-bottom: 1px solid transparent; }
.site-foot li a:hover { border-bottom-color: var(--accent); }
.foot__legal {
  font-size: .8125rem;
  color: var(--ink-64);
  padding-top: var(--s-3);
  border-top: 1px solid var(--ink-10);
}

@media (min-width: 760px) {
  .foot-inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--s-5);
  }
  .foot__legal { grid-column: 1 / -1; }
}

/* --- WhatsApp fixed action ------------------------------------------------ */
.wa-fab {
  position: fixed;
  right: clamp(.875rem, 3vw, 1.5rem);
  bottom: clamp(.875rem, 3vw, 1.5rem);
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  min-height: 56px;
  min-width: 56px;
  padding: .5rem 1rem;
  background: var(--brand);
  color: var(--white);
  border: 2px solid var(--white);
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(4, 61, 87, .28);
  font-size: .9375rem;
  font-weight: 700;
  text-decoration: none;
  transition: background-color .18s ease;
}
.wa-fab:hover { background: var(--ink); color: var(--white); }
.wa-fab__ico { display: inline-flex; }
.wa-fab:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }

@media (max-width: 400px) {
  .wa-fab { padding: .5rem; justify-content: center; }
  .wa-fab__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
}

/* --- Preferences ---------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

@media print {
  .site-head, .wa-fab { display: none; }
  body { background: #fff; }
}