/* =========================================================
   MOGLE | Mouse Gesture Wireless
   Stylesheet utama
   ========================================================= */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Warna utama diambil dari logo MOGLE */
  --navy-900: #03163a;
  --navy-800: #062a5e;
  --navy-700: #0d3f86;
  --blue-600: #1b62d6;
  --blue-500: #3d82ee;
  --blue-300: #9cc0f2;
  --blue-100: #dce9fb;
  --sky-50:   #f1f6fd;
  --white:    #ffffff;

  --ink:      #0a1f44;
  --muted:    #5c7093;
  --line:     rgba(6, 42, 94, .1);

  --radius-sm: 14px;
  --radius:    24px;
  --radius-lg: 34px;
  --radius-xl: 44px;

  --shadow-sm: 0 4px 16px rgba(6, 42, 94, .06);
  --shadow:    0 18px 40px rgba(6, 42, 94, .1);
  --shadow-lg: 0 34px 80px rgba(6, 42, 94, .16);

  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI',
          Roboto, Helvetica, Arial, sans-serif;

  --container: 1200px;
  --gutter: 24px;
  --header-h: 76px;

  /* Lama satu putaran penuh pita pil. Makin kecil, makin cepat. */
  --marquee-speed: 30s;

  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* ---------- 2. Reset & dasar ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* Ikon: Phosphor Icons 2.1.1 (MIT), bobot "regular", viewBox 0 0 256 256.
   Digambar sebagai path ber-fill, bukan garis ber-stroke. */
svg { fill: currentColor; }

h1, h2, h3 {
  margin: 0;
  line-height: 1.14;
  letter-spacing: -.03em;
  font-weight: 800;
  color: var(--navy-800);
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

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

:focus-visible {
  outline: 3px solid var(--blue-500);
  outline-offset: 3px;
  border-radius: 6px;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 200;
  padding: 12px 20px;
  background: var(--navy-800);
  color: var(--white);
  border-radius: 999px;
}
.skip-link:focus { left: 16px; }

/* ---------- 3. Tombol ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: -.01em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .35s var(--ease), background-color .25s, color .25s,
              box-shadow .35s var(--ease), border-color .25s;
}
.btn svg { width: 18px; height: 18px; transition: transform .35s var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn:hover svg { transform: translateX(4px); }

/* Ikon di awal tombol tidak ikut bergeser. Hanya panah di ujung yang bergerak. */
.btn:hover .btn__icon { transform: none; }

.btn--sm { padding: 11px 20px; font-size: .875rem; }

.btn--primary {
  background: var(--navy-800);
  color: var(--white);
  box-shadow: 0 12px 26px rgba(6, 42, 94, .26);
}
.btn--primary:hover { background: var(--navy-700); box-shadow: 0 18px 34px rgba(6, 42, 94, .32); }

.btn--ghost {
  background: rgba(255, 255, 255, .7);
  color: var(--navy-800);
  border-color: var(--line);
  backdrop-filter: blur(10px);
}
.btn--ghost:hover { background: var(--white); border-color: var(--blue-300); }

.btn--light { background: var(--white); color: var(--navy-800); }
.btn--light:hover { background: var(--blue-100); }

.btn--outline { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, .38); }
.btn--outline:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .7); }

/* ---------- 4. Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background-color .35s var(--ease), box-shadow .35s var(--ease),
              backdrop-filter .35s;
}
.header.is-stuck {
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 var(--line), 0 10px 30px rgba(6, 42, 94, .06);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__mark { width: auto; height: 34px; }
.brand__name {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: .12em;
  color: var(--navy-800);
}

.nav { margin-inline: auto; }
.nav__list { display: flex; gap: 6px; }

.nav__link {
  position: relative;
  display: block;
  padding: 8px 14px;
  font-size: .93rem;
  font-weight: 600;
  color: var(--muted);
  border-radius: 999px;
  transition: color .25s;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--navy-800);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.nav__link:hover { color: var(--navy-800); }
.nav__link.is-active { color: var(--navy-800); }
.nav__link.is-active::after { transform: scaleX(1); }

.hamburger {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, .7);
  backdrop-filter: blur(10px);
  color: var(--navy-800);
  cursor: pointer;
}
/* Ikon List dan X ditumpuk, lalu disilangkan saat menu dibuka. */
.hamburger svg {
  position: absolute;
  inset: 0;
  width: 22px;
  height: 22px;
  margin: auto;
  transition: opacity .25s var(--ease), transform .35s var(--ease);
}
.hamburger__close { opacity: 0; transform: rotate(-90deg) scale(.6); }
.hamburger.is-open .hamburger__open { opacity: 0; transform: rotate(90deg) scale(.6); }
.hamburger.is-open .hamburger__close { opacity: 1; transform: none; }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 70px) 0 90px;
  background:
    radial-gradient(1000px 520px at 78% 12%, rgba(156, 192, 242, .5), transparent 62%),
    radial-gradient(760px 480px at 8% 78%, rgba(220, 233, 251, .8), transparent 65%),
    linear-gradient(178deg, var(--sky-50) 0%, #e6f0fc 46%, var(--white) 100%);
  overflow: hidden;
}

.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .55;
}
.blob--1 { width: 380px; height: 380px; top: -90px;  right: 6%;  background: var(--blue-300); }
.blob--2 { width: 300px; height: 300px; bottom: 4%;  left: -70px; background: #c3dbf8; }
.blob--3 { width: 220px; height: 220px; top: 42%;    right: 42%;  background: rgba(27, 98, 214, .3); }

/* Tipografi raksasa di belakang hero */
.hero__ghost {
  position: absolute;
  top: calc(var(--header-h) + 4px);
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-size: clamp(5rem, 17vw, 16rem);
  font-weight: 800;
  letter-spacing: -.05em;
  line-height: .9;
  white-space: nowrap;
  background: linear-gradient(180deg, rgba(6, 42, 94, .16), rgba(6, 42, 94, 0));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  user-select: none;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 18px 8px 12px;
  margin-bottom: 22px;
  border: 1px solid rgba(255, 255, 255, .8);
  border-radius: 999px;
  background: rgba(255, 255, 255, .6);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--navy-700);
}
.eyebrow__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-600);
  box-shadow: 0 0 0 4px rgba(27, 98, 214, .18);
}

.hero__title {
  font-size: clamp(2.4rem, 5vw, 4.1rem);
  margin-bottom: 22px;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(100deg, var(--blue-600), var(--navy-800));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  max-width: 52ch;
  font-size: 1.05rem;
  color: var(--muted);
  margin-bottom: 32px;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 44px; }

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}
.stat {
  flex: 1 1 120px;
  padding: 16px 20px;
  border: 1px solid rgba(255, 255, 255, .75);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .58);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}
.stat dt {
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
}
.stat dd {
  margin: 2px 0 0;
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--navy-800);
}

/* Visual hero */
.hero__visual { position: relative; }

.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 20px 13px 13px;
  border: 1px solid rgba(255, 255, 255, .85);
  border-radius: 18px;
  background: rgba(255, 255, 255, .78);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  animation: bob 6s ease-in-out infinite;
}
.float-card--a { top: 12%; left: -34px; }
.float-card--b { bottom: 13%; right: -26px; animation-delay: -3s; }

.float-card strong { display: block; font-size: .9rem; color: var(--navy-800); }
.float-card small { font-size: .76rem; color: var(--muted); }

.float-card__icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--navy-800);
  color: var(--white);
}
.float-card__icon--alt { background: var(--blue-600); }
.float-card__icon svg { width: 20px; height: 20px; }

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

/* ---------- 6. Placeholder gambar ---------- */
/* Ganti elemen ber-atribut [data-placeholder] dengan <img> asli. */
.media {
  position: relative;
  display: grid;
  place-items: center;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(255, 255, 255, .9), transparent 60%),
    linear-gradient(150deg, var(--blue-100), #eaf2fd 55%, var(--white));
  border: 1px dashed rgba(6, 42, 94, .18);
  box-shadow: var(--shadow-lg);
}
.media__watermark { width: auto; height: 42%; max-height: 120px; opacity: .16; }
.media figcaption {
  position: absolute;
  bottom: 18px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .78);
  backdrop-filter: blur(8px);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--muted);
}

.media--hero { aspect-ratio: 4 / 5; }
.media--tall { aspect-ratio: 4 / 5; }

/* ---------- 7. Marquee ---------- */
.marquee {
  position: relative;
  padding: 22px 0;
  background: var(--white);
  border-block: 1px solid var(--line);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
/* Jalur berisi DUA grup pil yang isinya wajib persis sama: animasi menggeser
   tepat 50% lebar jalur, sehingga grup kedua mengambil alih posisi grup pertama
   tanpa sambungan terlihat. Bila menambah atau menghapus pil, ubah KEDUA <ul>.

   Tidak ada jeda saat kursor lewat: pita ini dekoratif (aria-hidden) dan
   membentang selebar layar, jadi pause-on-hover hanya membuatnya tampak macet. */
.marquee__track {
  display: flex;
  width: max-content;
  /* translate3d + will-change menaruh animasi di compositor GPU, sehingga tetap
     mulus saat halaman digulir dan tidak tersendat oleh kerja di main thread. */
  will-change: transform;
  backface-visibility: hidden;
  animation: scroll-x var(--marquee-speed) linear infinite;
}

.marquee__group { display: flex; gap: 12px; padding-right: 12px; }
.marquee__group li {
  padding: 9px 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--sky-50);
  font-size: .88rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--navy-700);
}

@keyframes scroll-x {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* ---------- 8. Section umum ---------- */
.section { padding: 100px 0; }
.section--soft {
  background: linear-gradient(180deg, var(--white), var(--sky-50) 40%, var(--white));
}

.section__head { max-width: 640px; margin-bottom: 54px; }
.section__head--center { margin-inline: auto; text-align: center; }

.section__label {
  display: inline-block;
  margin-bottom: 14px;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--blue-100);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--navy-700);
}
.section__label--light { background: rgba(255, 255, 255, .2); color: var(--white); }

.section__title { font-size: clamp(1.9rem, 3.6vw, 3rem); }
.section__lead { margin-top: 18px; font-size: 1.03rem; color: var(--muted); }

/* ---------- 9. Tentang ---------- */
.about {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 64px;
  align-items: center;
}
.about__media { position: relative; }
.about__copy p { color: var(--muted); }
.about__copy .section__title { margin-bottom: 22px; }
.about__copy strong { color: var(--navy-800); }

.about__badge {
  position: absolute;
  right: -22px;
  bottom: 34px;
  padding: 18px 24px;
  border-radius: var(--radius);
  background: var(--navy-800);
  color: var(--white);
  box-shadow: var(--shadow);
  text-align: center;
}
.about__badge strong { display: block; font-size: 1.7rem; font-weight: 800; letter-spacing: -.03em; }
.about__badge span { font-size: .78rem; opacity: .75; }

.checklist { margin-top: 26px; display: grid; gap: 12px; }
.checklist li {
  position: relative;
  padding-left: 34px;
  font-weight: 600;
  color: var(--navy-800);
}
.checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--blue-100)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 256 256' fill='%23062a5e'%3E%3Cpath d='M229.66,77.66l-128,128a8,8,0,0,1-11.32,0l-56-56a8,8,0,0,1,11.32-11.32L96,188.69,218.34,66.34a8,8,0,0,1,11.32,11.32Z'/%3E%3C/svg%3E")
    center / 12px no-repeat;
}

/* ---------- 10. Bento fitur ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }

.card h3 { font-size: 1.24rem; }
.card p { font-size: .95rem; color: var(--muted); }

.card__icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 6px;
  border-radius: 14px;
  background: var(--blue-100);
  color: var(--navy-800);
}
.card__icon svg { width: 24px; height: 24px; }

.card__tag {
  align-self: flex-start;
  margin-top: auto;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--sky-50);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--navy-700);
}

.card--wide { grid-column: span 2; }
.card--full { grid-column: span 3; }

.card--dark {
  background:
    radial-gradient(120% 140% at 90% 0%, rgba(61, 130, 238, .5), transparent 55%),
    linear-gradient(150deg, var(--navy-800), var(--navy-900));
  border-color: transparent;
  color: rgba(255, 255, 255, .82);
  min-height: 260px;
}
.card--dark h3 { color: var(--white); font-size: 1.6rem; }
.card--dark p { color: rgba(255, 255, 255, .72); max-width: 46ch; }
.card--dark .card__tag { background: rgba(255, 255, 255, .14); color: var(--white); }

.card__num {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: rgba(255, 255, 255, .5);
}

.card--vertical { flex-direction: row; gap: 20px; align-items: stretch; }
.card__vtext {
  flex: none;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--blue-300);
}

/* ---------- 11. Langkah ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 34px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(170deg, var(--white), var(--sky-50));
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .3s;
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--blue-300); }

.step__num {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: var(--navy-800);
  color: var(--white);
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: 0;
}
.step h3 { font-size: 1.14rem; margin-bottom: 8px; }
.step p { font-size: .93rem; color: var(--muted); }

/* ---------- 12. Spesifikasi ---------- */
.specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.spec {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.spec:hover { transform: translateY(-5px); box-shadow: var(--shadow); }

.spec__code {
  display: inline-block;
  margin-bottom: 14px;
  padding: 5px 14px;
  border-radius: 8px;
  background: var(--navy-800);
  color: var(--white);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.spec h3 { font-size: 1.1rem; margin-bottom: 8px; }
.spec p { font-size: .93rem; color: var(--muted); }

.spec--accent {
  background: linear-gradient(150deg, var(--blue-100), var(--white));
  border-color: var(--blue-300);
}

/* ---------- 13. Galeri ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.media--gal {
  height: clamp(220px, 25vw, 330px);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.media--gal-a { grid-column: span 3; }
.media--gal-b { grid-column: span 2; }

/* ---------- 14. CTA ---------- */
.cta {
  position: relative;
  padding: 78px 56px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(90% 130% at 85% 10%, rgba(61, 130, 238, .55), transparent 55%),
    linear-gradient(140deg, var(--navy-800), var(--navy-900));
  color: rgba(255, 255, 255, .82);
  overflow: hidden;
  text-align: center;
}
.cta__ghost {
  position: absolute;
  left: 50%;
  bottom: -.18em;
  transform: translateX(-50%);
  margin: 0;
  font-size: clamp(4rem, 15vw, 13rem);
  font-weight: 800;
  letter-spacing: -.05em;
  line-height: 1;
  color: rgba(255, 255, 255, .05);
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
}
.cta__inner { position: relative; z-index: 1; max-width: 660px; margin-inline: auto; }
.cta__title { color: var(--white); font-size: clamp(1.8rem, 3.6vw, 2.8rem); margin-bottom: 18px; }
.cta__lead { color: rgba(255, 255, 255, .72); margin-bottom: 32px; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- 15. Footer ---------- */
.footer {
  padding: 70px 0 30px;
  background: var(--sky-50);
  border-top: 1px solid var(--line);
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 44px;
}
.footer__brand .brand { margin-bottom: 16px; }
.footer__brand p { max-width: 38ch; font-size: .93rem; color: var(--muted); }

.footer h3 {
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.footer__nav li, .footer__contact li { margin-bottom: 10px; }
.footer__nav a, .footer__contact a {
  font-size: .95rem;
  font-weight: 600;
  color: var(--navy-800);
  transition: color .25s;
}
.footer__nav a:hover, .footer__contact a:hover { color: var(--blue-600); }

.footer__ig { display: inline-flex; align-items: center; gap: 8px; }
.footer__ig svg { width: 18px; height: 18px; flex: none; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .85rem;
}

/* ---------- 16. Animasi masuk ---------- */
/* Hanya disembunyikan bila JS aktif (kelas .js dipasang di <head>). */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 17. Responsif ---------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  /* width:100% wajib. margin-inline:auto membatalkan stretch pada grid item,
     tanpa itu box ber-aspect-ratio menyusut ke lebar konten. */
  .hero__visual { width: 100%; max-width: 460px; margin-inline: auto; }
  .about { grid-template-columns: 1fr; gap: 44px; }
  .about__media { width: 100%; max-width: 440px; }
  .bento, .specs, .gallery { grid-template-columns: repeat(2, 1fr); }
  .card--wide, .card--full { grid-column: span 2; }
  .media--gal-a, .media--gal-b { grid-column: span 1; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; }
}

@media (max-width: 860px) {
  .hamburger { display: block; }
  .header__cta { display: none; }

  .nav {
    position: fixed;
    inset: var(--header-h) 12px auto 12px;
    margin: 0;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, .95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    /* visibility ditunda sampai fade-out selesai, bukan ikut dianimasikan */
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility 0s .3s;
  }
  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility 0s;
  }
  .nav__list { flex-direction: column; gap: 2px; }
  .nav__link { padding: 13px 16px; font-size: 1rem; }
  .nav__link::after { display: none; }
  .nav__link.is-active { background: var(--blue-100); }
}

@media (max-width: 720px) {
  :root { --gutter: 18px; }

  .section { padding: 72px 0; }
  .hero { padding-top: calc(var(--header-h) + 46px); padding-bottom: 66px; }
  .hero__ghost { font-size: 22vw; }

  .float-card--a { left: -8px; top: 6%; }
  .float-card--b { right: -8px; bottom: 8%; }
  .float-card small { display: none; }

  .bento, .specs, .gallery, .steps { grid-template-columns: 1fr; }
  .card--wide, .card--full { grid-column: span 1; }
  .card--vertical { flex-direction: column; }
  .card__vtext { writing-mode: horizontal-tb; transform: none; }

  /* Pindah ke atas agar tidak menimpa caption gambar */
  .about__badge { right: 12px; top: 12px; bottom: auto; padding: 14px 18px; }

  .cta { padding: 56px 24px; border-radius: var(--radius-lg); }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__brand { grid-column: span 1; }
}

/* ---------- 18. Preferensi gerak ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }

  /* Pita pil tidak sekadar dibekukan. Pita yang berhenti di tengah jalan
     terlihat seperti rusak, dan di Windows scrollbar-nya permanen sehingga
     makin kentara. Diubah jadi deretan pil statis yang terpusat: satu set saja
     (set kedua semata-mata alat bantu loop), boleh turun ke baris berikutnya,
     tanpa gradien tepi dan tanpa scrollbar. */
  .marquee {
    overflow: visible;
    padding-inline: var(--gutter);
    -webkit-mask-image: none;
    mask-image: none;
  }
  .marquee__track {
    animation: none !important;
    transform: none !important;
    width: auto;
    max-width: var(--container);
    margin-inline: auto;
  }
  .marquee__group {
    flex: 1 1 auto;
    flex-wrap: wrap;
    justify-content: center;
    padding-right: 0;
  }
  .marquee__group + .marquee__group { display: none; }
}

/* ---------- 19. Cetak ---------- */
@media print {
  .header, .marquee, .hamburger, .hero__ghost, .cta__ghost { display: none; }
  body { color: #000; }
  .section { padding: 24px 0; }
}