/* =====================================================================
   Mountaineering Outdoor - Landing Page publik
   Tema monokrom (hitam-putih), sama dengan panel admin.
   Ditulis manual, tanpa framework CSS.
   ===================================================================== */

:root {
  /* Palet monokrom, diambil dari logo: latar hitam, elemen putih,
     garis kontur abu-abu. Tidak ada warna sama sekali. */
  --ink: #111111;
  --ink-deep: #000000;
  --graphite: #3D3D3D;
  --accent: #111111;
  --accent-soft: #D6D6D6;
  --bg: #FFFFFF;
  --bg-soft: #F5F5F5;
  --line: #E4E4E4;
  --text: #141414;
  --muted: #767676;
  --radius: 14px;
  --shadow: 0 2px 6px rgba(0, 0, 0, .06), 0 14px 34px rgba(0, 0, 0, .08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 78px; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--ink); text-decoration: none; }
h1, h2, h3, h4 { margin: 0 0 .5rem; line-height: 1.22; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 4.4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1rem; }

.wrap { width: min(1160px, 92vw); margin: 0 auto; }
.wrap-sempit { width: min(760px, 92vw); }
.tengah { text-align: center; }
.kosong { color: var(--muted); text-align: center; padding: 2rem 0; }

/* ------------------------------------------------------------ Tombol */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .72rem 1.25rem; border-radius: 10px; border: 1px solid transparent;
  background: var(--ink); color: #fff; font-size: .95rem; font-weight: 700;
  cursor: pointer; line-height: 1.2; transition: transform .15s, background .15s;
}
.btn:hover { background: var(--ink-deep); transform: translateY(-1px); }
.btn-invert { background: #fff; color: var(--ink); border-color: var(--ink); }
.btn-invert:hover { background: #E9E9E9; }
.btn-outline { background: transparent; border-color: rgba(255, 255, 255, .55); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, .14); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-sm { padding: .48rem .85rem; font-size: .85rem; }
.btn-lg { padding: .9rem 1.6rem; font-size: 1rem; }

/* ------------------------------------------------------------ Navbar */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .93);
  backdrop-filter: saturate(150%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .7rem 0; }
.nav-brand { display: flex; align-items: center; gap: .6rem; color: var(--text); }
.nav-brand img { width: 40px; height: 40px; object-fit: contain; border-radius: 9px; }
.nav-mark {
  width: 40px; height: 40px; border-radius: 10px; background: var(--ink);
  color: var(--accent-soft); display: flex; align-items: center; justify-content: center; font-size: 1.05rem;
}
.nav-brand strong { display: block; font-size: 1rem; color: var(--ink); line-height: 1.25; }
.nav-brand small { display: block; font-size: .72rem; color: var(--muted); }

.nav-menu { display: flex; align-items: center; gap: 1.35rem; }
.nav-menu a { font-size: .92rem; font-weight: 600; color: #3A3A3A; }
.nav-menu a:hover { color: var(--ink); }
.nav-menu a.btn { color: #fff; }
.nav-menu a.btn-ghost, .nav-menu a.btn-invert { color: var(--ink); }
.nav-menu a.btn-invert:hover { background: var(--ink); color: #fff; }

.nav-burger { display: none; font-size: 1.25rem; color: var(--ink); cursor: pointer; padding: .35rem .5rem; }

/* -------------------------------------------------------------- Hero */
.hero { position: relative; }
.hero-slider { position: relative; }
.hero-slide {
  display: none;
  min-height: min(76vh, 620px);
  background: linear-gradient(90deg, rgba(0, 0, 0, .88), rgba(0, 0, 0, .5)), var(--ink-deep);
  background-size: cover; background-position: center;
  align-items: center; padding: 4.5rem 0;
}
.hero-slide.aktif { display: flex; animation: munculHalus .6s ease; }
.hero-polos { background: linear-gradient(150deg, var(--ink) 0%, var(--ink-deep) 100%); }
@keyframes munculHalus { from { opacity: 0; } to { opacity: 1; } }

.hero-isi { max-width: 640px; color: #fff; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .45rem;
  background: rgba(255, 255, 255, .13); border: 1px solid rgba(255, 255, 255, .2);
  padding: .3rem .8rem; border-radius: 99px; font-size: .78rem;
  letter-spacing: .09em; text-transform: uppercase; color: #D6D6D6; margin-bottom: 1rem;
}
.hero-isi h1 { color: #fff; margin-bottom: .8rem; }
.hero-isi p { color: rgba(255, 255, 255, .84); font-size: 1.05rem; max-width: 34rem; }
.hero-aksi { display: flex; gap: .7rem; flex-wrap: wrap; margin-top: 1.5rem; }

.hero-dots { position: absolute; bottom: 1.4rem; left: 0; right: 0; display: flex; justify-content: center; gap: .45rem; }
.hero-dot {
  width: 26px; height: 5px; border-radius: 99px; border: none; cursor: pointer;
  background: rgba(255, 255, 255, .35); padding: 0; transition: background .2s, width .2s;
}
.hero-dot.aktif { background: var(--accent-soft); width: 40px; }

/* ------------------------------------------------------------ Seksi */
.seksi { padding: 4.2rem 0; }
.seksi-terang { background: var(--bg-soft); }
.seksi-gelap { background: linear-gradient(160deg, var(--ink) 0%, var(--ink-deep) 100%); color: #fff; }

.seksi-judul { text-align: center; max-width: 40rem; margin: 0 auto 2.4rem; }
.seksi-judul p { color: var(--muted); }
.seksi-judul.terang h2, .seksi-judul.terang .eyebrow { color: #fff; }
.eyebrow {
  display: inline-block; font-size: .76rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: .5rem;
}
.sub-judul {
  display: flex; align-items: center; gap: .5rem;
  font-size: 1.05rem; color: var(--ink); margin: 2rem 0 1rem;
}
.sub-judul i { color: var(--accent); }

/* --------------------------------------------------------- Keunggulan */
.grid-fitur { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.fitur {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem 1.3rem; box-shadow: var(--shadow); transition: transform .18s;
}
.fitur:hover { transform: translateY(-3px); }
.fitur-ikon {
  width: 52px; height: 52px; border-radius: 14px; background: #EDEDED; color: var(--ink);
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem; margin-bottom: .9rem;
}
.fitur p { color: var(--muted); font-size: .92rem; margin: 0; }

/* ------------------------------------------------------------ Produk */
.grid-produk { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.produk {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); transition: transform .18s;
}
.produk:hover { transform: translateY(-3px); }
.produk-foto { position: relative; aspect-ratio: 4 / 3; background: #E8E8E8; }
.produk-foto img { width: 100%; height: 100%; object-fit: cover; }
.produk-kosong {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  color: #B0B0B0; font-size: 1.8rem;
}
.produk-tag {
  position: absolute; top: .6rem; left: .6rem; padding: .2rem .6rem; border-radius: 99px;
  font-size: .72rem; font-weight: 700; background: #fff; color: var(--ink);
}
.produk-tag-beli { color: var(--accent); }
.produk-isi { padding: .9rem 1rem 1.1rem; }
.produk-isi h3 { font-size: .98rem; margin-bottom: .25rem; }
.produk-isi p { font-size: .84rem; color: var(--muted); margin: 0 0 .7rem; }
.produk-kaki { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.produk-harga { font-weight: 800; color: var(--ink); }
.produk-harga small { font-weight: 500; color: var(--muted); font-size: .76rem; }
.produk-stok { font-size: .78rem; color: var(--muted); }

/* ------------------------------------------------------------ Langkah */
.grid-langkah { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.langkah {
  position: relative; background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .14); border-radius: var(--radius); padding: 1.5rem 1.3rem;
}
.langkah-no {
  position: absolute; top: -.8rem; right: 1rem; font-size: 2.4rem; font-weight: 800;
  color: rgba(255, 255, 255, .13); line-height: 1;
}
.langkah-ikon {
  width: 46px; height: 46px; border-radius: 12px; background: rgba(224, 169, 74, .18);
  color: var(--accent-soft); display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; margin-bottom: .8rem;
}
.langkah h3 { color: #fff; font-size: 1rem; }
.langkah p { color: rgba(255, 255, 255, .76); font-size: .9rem; margin: 0; }

.syarat {
  display: flex; gap: .9rem; margin-top: 1.8rem; padding: 1.1rem 1.2rem;
  background: rgba(255, 255, 255, .08); border: 1px dashed rgba(255, 255, 255, .25);
  border-radius: var(--radius);
}
.syarat i { color: var(--accent-soft); margin-top: .2rem; }
.syarat strong { color: #fff; display: block; margin-bottom: .2rem; }
.syarat p { color: rgba(255, 255, 255, .78); font-size: .9rem; margin: 0; }

/* ---------------------------------------------------------- Testimoni */
.grid-testi { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.testi {
  margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.stars { color: var(--accent); font-size: .85rem; letter-spacing: .08em; margin-bottom: .7rem; }
.testi blockquote { margin: 0 0 1.1rem; font-size: .95rem; color: #3A3A3A; flex: 1; }
.testi figcaption { display: flex; align-items: center; gap: .7rem; }
.testi figcaption img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.testi-inisial {
  width: 42px; height: 42px; border-radius: 50%; background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800;
}
.testi figcaption strong { display: block; font-size: .92rem; }
.testi figcaption small { color: var(--muted); font-size: .8rem; }

/* ------------------------------------------------------------ Artikel */
.grid-artikel { display: grid; gap: 1.3rem; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.artikel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); color: inherit;
  display: flex; flex-direction: column; transition: transform .18s;
}
.artikel:hover { transform: translateY(-3px); }
.artikel-foto { aspect-ratio: 16 / 9; background: #E8E8E8; }
.artikel-foto img { width: 100%; height: 100%; object-fit: cover; }
.artikel-isi { padding: 1.1rem 1.2rem 1.3rem; display: flex; flex-direction: column; flex: 1; }
.artikel-tanggal { font-size: .78rem; color: var(--muted); margin-bottom: .4rem; }
.artikel-isi h3 { font-size: 1.02rem; margin-bottom: .4rem; }
.artikel-isi p { font-size: .89rem; color: var(--muted); flex: 1; }
.artikel-link { font-size: .86rem; font-weight: 700; color: var(--ink); }

.page-head {
  background: linear-gradient(160deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: #fff; padding: 3.2rem 0 2.6rem;
}
.page-head h1 { color: #fff; }
.page-head p { color: rgba(255, 255, 255, .8); margin: 0; }
.page-head .meta { display: flex; gap: 1.1rem; flex-wrap: wrap; font-size: .84rem; color: rgba(255, 255, 255, .78); }
.kembali { display: inline-flex; gap: .4rem; align-items: center; color: rgba(255, 255, 255, .8); font-size: .86rem; margin-bottom: .9rem; }
.kembali:hover { color: #fff; }

.artikel-sampul { width: 100%; border-radius: var(--radius); margin: -2rem 0 1.8rem; box-shadow: var(--shadow); }
.artikel-teks { padding-bottom: 3rem; font-size: 1.02rem; }
.artikel-teks p { margin-bottom: 1.15rem; }
.artikel-penuh { padding-bottom: 1rem; }

/* ---------------------------------------------------------------- FAQ */
.faq-list { display: flex; flex-direction: column; gap: .7rem; }
.faq {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
}
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 1.2rem; cursor: pointer; font-weight: 700; font-size: .97rem;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary i { color: var(--accent); transition: transform .2s; flex: 0 0 auto; }
.faq[open] summary i { transform: rotate(180deg); }
.faq-jawab { padding: 0 1.2rem 1.1rem; color: var(--muted); font-size: .93rem; }

/* ---------------------------------------------------------------- CTA */
.cta { background: var(--ink); color: #fff; padding: 3rem 0; }
.cta-isi { display: flex; align-items: center; justify-content: space-between; gap: 1.6rem; flex-wrap: wrap; }
.cta h2 { margin-bottom: .2rem; color: #fff; }
.cta p { margin: 0; color: rgba(255, 255, 255, .78); }
.cta-aksi { display: flex; gap: .7rem; flex-wrap: wrap; }
.cta .btn-invert { background: #fff; color: var(--ink); border-color: #fff; }
.cta .btn-invert:hover { background: #E4E4E4; }
.cta .btn-outline { border-color: rgba(255, 255, 255, .5); color: #fff; }
.cta .btn-outline:hover { background: rgba(255, 255, 255, .14); }

/* ------------------------------------------------------------- Footer */
.footer { background: var(--ink-deep); color: rgba(255, 255, 255, .76); padding: 3.2rem 0 0; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: 1.5fr 1fr 1fr; }
.footer h4 { color: #fff; font-size: .95rem; margin-bottom: .8rem; }
.footer-brand { display: flex; align-items: center; gap: .7rem; margin-bottom: .9rem; }
.footer-brand img { width: 44px; height: 44px; object-fit: contain; border-radius: 10px; background: #fff; padding: 3px; }
.footer-brand strong { display: block; color: #fff; }
.footer-brand span { font-size: .8rem; color: var(--accent-soft); }
.footer-text { font-size: .89rem; max-width: 26rem; }
.footer-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .55rem; font-size: .89rem; }
.footer-list i { color: var(--accent-soft); width: 1.1rem; }
.footer-list a { color: rgba(255, 255, 255, .8); }
.footer-list a:hover { color: #fff; }
.socials { display: flex; gap: .5rem; margin-top: 1rem; }
.socials a {
  width: 36px; height: 36px; border-radius: 9px; background: rgba(255, 255, 255, .1);
  color: #fff; display: flex; align-items: center; justify-content: center;
}
.socials a:hover { background: var(--accent); }
.footer-bottom {
  margin-top: 2.4rem; border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 1.1rem 0; font-size: .82rem; text-align: center;
}

.to-top {
  position: fixed; right: 1.1rem; bottom: 1.1rem; width: 42px; height: 42px; border-radius: 50%;
  background: var(--ink); color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow); z-index: 40;
}
.to-top:hover { background: var(--accent); }

/* --------------------------------------------------------- Responsif */
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .nav-burger { display: block; }
  .nav-menu {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 0;
    display: none; box-shadow: var(--shadow);
  }
  .nav-toggle:checked ~ .nav-menu { display: flex; }
  .nav-menu a { padding: .75rem 4vw; }
  .nav-menu a.btn { margin: .5rem 4vw; justify-content: center; }
  .hero-slide { min-height: auto; padding: 3.2rem 0 4rem; }
  .seksi { padding: 3rem 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .artikel-sampul { margin-top: 1.4rem; }
  .cta-isi { flex-direction: column; align-items: flex-start; }
}