/* ATRA — Arena Trading
   Arah visual: ruang kerja terang, aksen koral, tipografi sans tegas.
   Mengikuti tema Vantage Markets (vtg-mkt-apac.com): judul dua warna, tombol pill,
   komponen datar bergaris tipis — versi terang, bukan latar hitam. */

:root {
  --kertas: #f5f4f0;
  --kertas-2: #ecebe5;
  --putih: #ffffff;
  --tinta: #14110e;
  --tinta-2: #2a251f;
  --redup: #5f574d;
  --redup-2: #6e6458;
  --koral: #c7431a;
  --koral-terang: #a93713;
  --koral-teks: #b0390f;
  --koral-lembut: #fbeae2;
  --garis: #e2d9cb;
  --garis-tipis: #ece5d9;
  --r: 4px;
  --pil: 999px;
  --wadah: 1200px;
  --judul: "Sora", "Segoe UI", sans-serif;
  --isi: "Manrope", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--kertas);
  color: var(--tinta);
  font-family: var(--isi);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--judul);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--tinta);
  text-wrap: balance;
}

h1 { font-size: clamp(38px, 4.9vw, 68px); line-height: 1.0; }
h2 { font-size: clamp(30px, 3.8vw, 50px); line-height: 1.04; }
h3 { font-size: 20px; line-height: 1.3; letter-spacing: -0.015em; }

p { margin: 0; max-width: 62ch; }

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

::selection { background: var(--koral); color: #fff; }

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

.wadah {
  width: 100%;
  max-width: var(--wadah);
  margin: 0 auto;
  padding-left: 28px;
  padding-right: 28px;
}

.lewati {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--koral);
  color: #fff;
  padding: 10px 16px;
  z-index: 100;
  font-weight: 700;
}
.lewati:focus { left: 12px; top: 12px; }

/* ── Header ─────────────────────────────────────────────── */

.kepala {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(245, 244, 240, 0.96);
  border-bottom: 1px solid var(--garis);
}

.kepala-isi {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 78px;
}

.merek {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.merek img { width: 28px; height: 28px; }

.merek-teks {
  font-family: var(--judul);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.02em;
  line-height: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  color: var(--tinta);
}

.merek-teks em {
  font-style: normal;
  font-family: var(--isi);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--redup-2);
}

.nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav a {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--tinta-2);
  transition: color 0.16s ease;
}
.nav a:hover { color: var(--koral-teks); }

.nav .tombol { margin-left: 8px; color: #fff; }
.nav .tombol:hover { color: #fff; }

.menu-tombol {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border: 1px solid var(--garis);
  border-radius: var(--pil);
  background: transparent;
  cursor: pointer;
  padding: 0;
  place-items: center;
  position: relative;
}
.menu-tombol span {
  position: absolute;
  left: 13px;
  right: 13px;
  height: 1.5px;
  background: var(--tinta);
  transition: transform 0.18s ease, top 0.18s ease;
}
.menu-tombol span:nth-child(1) { top: 19px; }
.menu-tombol span:nth-child(2) { top: 25px; }
.menu-tombol[aria-expanded="true"] span:nth-child(1) { top: 22px; transform: rotate(45deg); }
.menu-tombol[aria-expanded="true"] span:nth-child(2) { top: 22px; transform: rotate(-45deg); }

/* ── Tombol ─────────────────────────────────────────────── */

.tombol {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 26px;
  border-radius: var(--pil);
  background: var(--koral);
  color: #fff;
  font-family: var(--isi);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: background 0.16s ease, transform 0.16s ease;
}
.tombol:hover { background: var(--koral-terang); }
.tombol:active { transform: translateY(1px); }

.tombol-kecil { padding: 10px 18px; font-size: 13.5px; }

.tombol-garis {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: var(--pil);
  border: 1px solid var(--garis);
  background: var(--putih);
  color: var(--tinta);
  font-weight: 700;
  font-size: 15px;
  transition: border-color 0.16s ease, background 0.16s ease;
}
.tombol-garis:hover { border-color: #c9bda9; background: #fffdf9; }

.tautan-garis {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  color: var(--koral-teks);
  border-bottom: 1px solid rgba(176, 57, 15, 0.35);
  padding-bottom: 2px;
}
.tautan-garis:hover { border-bottom-color: var(--koral-teks); }

/* ── Hero ───────────────────────────────────────────────── */

.hero {
  position: relative;
  padding: 76px 0 84px;
  overflow: hidden;
  background: var(--kertas);
  border-bottom: 1px solid var(--garis);
}

.pasar-latar {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.9;
}
.pasar-latar svg { width: 100%; height: 100%; }

.hero-isi {
  position: relative;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 64px;
  align-items: center;
}

.hero-teks h1 em { font-style: normal; color: var(--koral); }

.hero-sub {
  margin-top: 24px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--redup);
  max-width: 52ch;
}

.hero-aksi {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
}

.fakta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--garis);
  max-width: 560px;
}
.fakta dt {
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--redup-2);
  font-weight: 700;
}
.fakta dd {
  margin: 5px 0 0;
  font-family: var(--judul);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--tinta);
}

/* Jendela portal (ilustrasi antarmuka, tanpa angka hasil) */
.jendela {
  border: 1px solid var(--garis);
  border-radius: 8px;
  background: var(--putih);
  overflow: hidden;
  box-shadow: 0 14px 34px rgba(20, 17, 14, 0.07);
}

.jendela-atas {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--garis-tipis);
  background: #faf8f4;
}
.jendela-atas i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d8cdbc;
}
.jendela-atas i:first-child { background: var(--koral); }
.jendela-atas span {
  margin-left: 6px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--redup);
}

.jendela-isi { display: grid; grid-template-columns: 132px 1fr; min-height: 318px; }

.jendela-menu {
  border-right: 1px solid var(--garis-tipis);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: #fbfaf7;
}
.jendela-menu span {
  font-size: 12px;
  font-weight: 600;
  color: var(--redup);
  padding: 8px 10px;
  border-radius: 3px;
}
.jendela-menu span.aktif {
  background: var(--koral-lembut);
  color: var(--koral-teks);
  font-weight: 700;
}

.jendela-utama { padding: 20px 18px; }

.jendela-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--redup-2);
  font-weight: 700;
}

.jendela-baris {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--garis-tipis);
}
.jendela-baris:last-child { border-bottom: 0; }
.jendela-baris strong {
  font-family: var(--judul);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--tinta);
}
.jendela-baris small { display: block; color: var(--redup-2); font-size: 12px; margin-top: 2px; font-weight: 500; }

.lencana {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: var(--pil);
  white-space: nowrap;
}
.lencana-aktif { background: #e8f1e1; color: #33591f; }
.lencana-tunggu { background: var(--koral-lembut); color: var(--koral-teks); }

.jendela-kaki {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--garis);
  font-size: 12px;
  color: var(--redup-2);
}

/* ── Pita ───────────────────────────────────────────────── */

.pita {
  border-bottom: 1px solid var(--garis);
  background: var(--kertas-2);
}
.pita-isi {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  padding-top: 16px;
  padding-bottom: 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--redup);
}
.pita-isi span { display: inline-flex; align-items: center; gap: 10px; }
.pita-isi span::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--koral);
  border-radius: 50%;
}

/* ── Seksi umum ─────────────────────────────────────────── */

.seksi { padding: 92px 0; border-bottom: 1px solid var(--garis); }
.seksi-gelap { background: var(--putih); }
.seksi-sempit { padding: 76px 0; }

.seksi-kepala {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 48px;
}
.seksi-kepala p { color: var(--redup); font-size: 16.5px; }

.tiga {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.kartu {
  border: 1px solid var(--garis);
  border-radius: var(--r);
  padding: 30px 26px 32px;
  background: var(--putih);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.kartu p { color: var(--redup); font-size: 15.5px; }
.kartu .nomor {
  font-family: var(--judul);
  font-size: 13px;
  font-weight: 700;
  color: var(--koral-teks);
  letter-spacing: 0.04em;
}

/* Langkah */
.langkah {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--garis);
}
.langkah li {
  padding: 28px 24px 8px 0;
  border-right: 1px solid var(--garis);
}
.langkah li:last-child { border-right: 0; padding-right: 0; }
.langkah .nomor {
  font-family: var(--judul);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--koral-teks);
  display: block;
  margin-bottom: 14px;
}
.langkah h3 { font-size: 18px; margin-bottom: 8px; }
.langkah p { color: var(--redup); font-size: 14.5px; }

/* ── Bagian portal ──────────────────────────────────────── */

.portal-isi {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.portal-teks p { margin-top: 20px; color: var(--redup); }

.centang { margin-top: 26px; display: grid; gap: 12px; }
.centang li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15.5px;
  color: var(--tinta-2);
}
.centang li::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 9px;
  background: var(--koral);
  border-radius: 1px;
}

.portal-teks .tombol { margin-top: 30px; }

/* Panel tangkapan layar asli */
.tangkap {
  margin: 0;
  border: 1px solid var(--garis);
  border-radius: 8px;
  overflow: hidden;
  background: var(--putih);
  box-shadow: 0 14px 34px rgba(20, 17, 14, 0.07);
}
.tangkap img { width: 100%; height: auto; }
.tangkap figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--garis-tipis);
  font-size: 12.5px;
  color: var(--redup);
}

/* ── Ketentuan ──────────────────────────────────────────── */

.dua {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 56px;
}
.butir {
  padding: 24px 0;
  border-top: 1px solid var(--garis);
}
.butir h3 { font-size: 17.5px; margin-bottom: 7px; }
.butir p { color: var(--redup); font-size: 15px; }

/* ── Tanya jawab ────────────────────────────────────────── */

.dua-kolom {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 64px;
  align-items: start;
}
.dua-kolom .redup { margin-top: 16px; color: var(--redup); }
.dua-kolom .tautan-garis { margin-top: 22px; }

.tanya { border-top: 1px solid var(--garis); }
.tanya details { border-bottom: 1px solid var(--garis); }
.tanya summary {
  cursor: pointer;
  padding: 20px 34px 20px 0;
  font-family: var(--judul);
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--tinta);
  list-style: none;
  position: relative;
}
.tanya summary::-webkit-details-marker { display: none; }
.tanya summary::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 27px;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--koral);
  border-bottom: 1.5px solid var(--koral);
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}
.tanya details[open] summary::after { transform: rotate(225deg); }
.tanya p { padding: 0 40px 22px 0; color: var(--redup); font-size: 15px; }

/* ── Ajakan ─────────────────────────────────────────────── */

.ajakan { background: var(--koral); color: #fff; }
.ajakan-isi {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-top: 60px;
  padding-bottom: 60px;
}
.ajakan h2 { font-size: clamp(28px, 3.4vw, 44px); max-width: 18ch; color: #fff; }
.ajakan p { margin-top: 12px; color: #fff; font-size: 16px; max-width: 46ch; }
.ajakan .tombol {
  background: var(--putih);
  color: var(--tinta);
  flex: 0 0 auto;
}
.ajakan .tombol:hover { background: #f3ece2; }

/* ── Kaki ───────────────────────────────────────────────── */

.kaki { background: var(--kertas-2); padding-top: 52px; }
.kaki-isi {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 36px;
}
.kaki-merek { display: flex; align-items: center; gap: 11px; }
.kaki-merek strong { display: block; font-family: var(--judul); font-size: 17px; letter-spacing: -0.02em; color: var(--tinta); }
.kaki-merek span { font-size: 12px; color: var(--redup); }
.kaki-tautan { display: flex; flex-wrap: wrap; gap: 24px; font-size: 14px; font-weight: 600; color: var(--tinta-2); }
.kaki-tautan a:hover { color: var(--koral-teks); }

.kaki-bawah {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-top: 22px;
  padding-bottom: 34px;
  border-top: 1px solid var(--garis);
  font-size: 12.5px;
  color: var(--redup);
}
.kaki-bawah p { max-width: 66ch; }

/* ── Sorotan (blok ajakan kecil) ────────────────────────── */

.sorot {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  border: 1px solid var(--garis);
  border-radius: var(--r);
  padding: 26px 28px;
  background: var(--putih);
}
.sorot p { color: var(--redup); margin-top: 6px; font-size: 15px; }

/* ── Responsif ──────────────────────────────────────────── */

@media (max-width: 1024px) {
  .hero-isi { grid-template-columns: 1fr; gap: 46px; }
  .seksi-kepala { grid-template-columns: 1fr; gap: 18px; align-items: start; }
  .langkah { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .langkah li:nth-child(2) { border-right: 0; }
  .langkah li:nth-child(3), .langkah li:nth-child(4) { border-top: 1px solid var(--garis); }
  .portal-isi { grid-template-columns: 1fr; gap: 40px; }
  .dua-kolom { grid-template-columns: 1fr; gap: 30px; }
  .ajakan-isi { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 860px) {
  .wadah { padding-left: 20px; padding-right: 20px; }
  .tiga { grid-template-columns: 1fr; }
  .dua { grid-template-columns: 1fr; gap: 0; }
  .fakta { grid-template-columns: 1fr 1fr; gap: 18px; }
  .kaki-isi { flex-direction: column; align-items: flex-start; gap: 20px; }
  .kaki-bawah { flex-direction: column; gap: 10px; }
  .seksi { padding: 64px 0; }
  .seksi-sempit { padding: 54px 0; }
  .kepala-isi { height: 68px; }
  .hero { padding: 48px 0 56px; }
  .hero-aksi { gap: 10px; }
  .ajakan-isi { padding-top: 46px; padding-bottom: 46px; }
}

@media (max-width: 760px) {
  .pasar-latar { display: none; }
  .menu-tombol { display: grid; }
  .nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--putih);
    border-bottom: 1px solid var(--garis);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 20px;
    display: none;
    box-shadow: 0 18px 30px rgba(20, 17, 14, 0.08);
  }
  .nav.buka { display: flex; }
  .nav a { padding: 13px 2px; border-bottom: 1px solid var(--garis-tipis); }
  .nav .tombol { margin: 14px 0 0; justify-content: center; border-bottom: 0; }
  .jendela-isi { grid-template-columns: 1fr; }
  .jendela-menu { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--garis-tipis); }
  .langkah { grid-template-columns: 1fr; }
  .langkah li { border-right: 0; border-top: 1px solid var(--garis); padding: 22px 0; }
  .langkah li:first-child { border-top: 0; }
  .sorot { grid-template-columns: 1fr; }
  .ajakan-isi .tombol { width: 100%; justify-content: center; }
  h1 { font-size: clamp(36px, 10vw, 48px); }
  .kaki-bawah p { font-size: 12px; }
}

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