/* ==========================================================================
   NxCode IDE — beranda publik (gaya situs web VS Code)
   HTML + CSS murni, tanpa dependency.
   ========================================================================== */

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.18; font-weight: 600; }
p { margin: 0 0 1em; }
a { color: var(--link); text-decoration: none; }
img { max-width: 100%; display: block; }
code { font-family: "Cascadia Code", Consolas, monospace; font-size: .88em; }

/* ---- Tema ------------------------------------------------------------- */
:root, [data-theme="dark"] {
  --bg: #141414;
  --bg-alt: #0f0f0f;
  --surface: #1e1e1e;
  --surface-2: #252526;
  --border: #2b2b2b;
  --fg: #e6e6e6;
  --fg-dim: #9d9d9d;
  --fg-faint: #6f6f6f;
  --accent: #0078d4;
  --accent-2: #1a8fe3;
  --link: #4daafc;
  --code-bg: #1b1b1b;
  --nav-bg: rgba(15, 15, 15, .82);
  --shadow: rgba(0, 0, 0, .5);
  --glow-1: rgba(0, 120, 212, .28);
  --glow-2: rgba(90, 60, 200, .20);
  --green: #3ba55d;
}

[data-theme="light"] {
  --bg: #ffffff;
  --bg-alt: #f5f5f5;
  --surface: #fafafa;
  --surface-2: #f0f0f0;
  --border: #e2e2e2;
  --fg: #1f1f1f;
  --fg-dim: #5a5a5a;
  --fg-faint: #8a8a8a;
  --accent: #0078d4;
  --accent-2: #0062a3;
  --link: #0066bf;
  --code-bg: #f2f2f2;
  --nav-bg: rgba(255, 255, 255, .85);
  --shadow: rgba(0, 0, 0, .15);
  --glow-1: rgba(0, 120, 212, .18);
  --glow-2: rgba(90, 60, 200, .12);
  --green: #2e8b57;
}

/* ---- Utilitas --------------------------------------------------------- */
.wrap { width: min(1180px, 92vw); margin: 0 auto; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 14px;
}

.grad {
  background: linear-gradient(120deg, #2f9bff, #7c5cff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .12s ease, background .15s ease, border-color .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 13px 26px; font-size: 16px; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); }

.btn-ghost { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--fg-faint); }

.icon-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 0; background: transparent; color: var(--fg);
  border-radius: 8px; cursor: pointer;
}
.icon-btn:hover { background: var(--surface-2); }
.icon-btn svg { width: 20px; height: 20px; }

/* Ganti bahasa ID/EN — sama polanya dengan situs ekosistem NXDOM */
.lang-switch {
  display: inline-flex; align-items: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px; padding: 2px; gap: 2px;
}
.lang-switch button {
  border: 0; background: transparent; color: var(--fg-dim);
  font-family: inherit; font-size: 12px; font-weight: 600;
  letter-spacing: .03em; padding: 5px 11px; border-radius: 999px; cursor: pointer;
}
.lang-switch button:hover { color: var(--fg); }
.lang-switch button.active { background: var(--accent); color: #fff; }

/* Tombol Sponsor (GitHub Sponsors) — warna pink khas */
.btn-sponsor {
  display: inline-flex; align-items: center; gap: 6px;
  color: #db61a2; border-color: #db61a2;
}
.btn-sponsor:hover { background: rgba(219, 97, 162, .12); border-color: #db61a2; }
.footer-sponsor { color: #db61a2; }

/* ---- Nav -------------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner {
  width: min(1180px, 94vw); margin: 0 auto;
  height: 62px; display: flex; align-items: center; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); font-size: 17px; font-weight: 600; }
.brand img { width: 28px; height: 28px; border-radius: 6px; }
.brand b { color: var(--accent-2); }

.nav-links { display: flex; gap: 4px; margin-left: 12px; }
.nav-links a {
  color: var(--fg-dim); font-size: 14.5px; padding: 8px 12px; border-radius: 6px;
}
.nav-links a:hover { color: var(--fg); background: var(--surface-2); }

.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.burger { display: none; flex-direction: column; gap: 4px; width: 40px; height: 40px;
  align-items: center; justify-content: center; background: transparent; border: 0; cursor: pointer; }
.burger span { width: 20px; height: 2px; background: var(--fg); border-radius: 2px; }

/* ---- Hero ------------------------------------------------------------- */
.hero { position: relative; padding: 84px 0 60px; overflow: hidden; }
.hero-glow {
  position: absolute; inset: -30% -10% auto -10%; height: 620px; z-index: 0;
  background:
    radial-gradient(600px 320px at 25% 30%, var(--glow-1), transparent 70%),
    radial-gradient(520px 300px at 78% 12%, var(--glow-2), transparent 72%);
  filter: blur(10px);
  pointer-events: none;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
}
.hero-copy h1 { font-size: clamp(36px, 5vw, 58px); letter-spacing: -1.4px; }
.lead { font-size: 18px; color: var(--fg-dim); max-width: 34em; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin: 22px 0 14px; }
.hero-meta { font-size: 13.5px; color: var(--fg-faint); margin: 0; }

/* Kartu "Welcome" hero — meniru halaman sambutan aplikasi. Warna memakai
   variabel tema supaya ikut gelap/terang (sebelumnya hardcode gelap, jadi
   janggal di tema terang). */
.hero-visual { display: flex; justify-content: center; }
.welcomecard {
  width: min(460px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 30px 30px 24px;
  box-shadow: 0 30px 70px -24px var(--shadow);
  text-align: center;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.welcomecard:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: 0 34px 80px -22px var(--shadow);
}
.wc-logo { width: 66px; height: 66px; margin: 0 auto 14px; border-radius: 12px; }
.wc-title { font-size: 25px; font-weight: 300; color: var(--fg); }
.wc-sub { font-size: 12.5px; color: var(--fg-dim); margin-top: 2px; }
.wc-head {
  margin: 22px 0 10px; text-align: left;
  font-size: 11px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--fg-faint);
}
.wc-list { list-style: none; margin: 0; padding: 0; text-align: left; }
.wc-list li {
  display: flex; gap: 12px; padding: 8px 2px;
  border-radius: 8px;
  transition: background .2s ease;
}
.wc-list li:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.wc-ic { flex: 0 0 22px; width: 22px; height: 22px; color: var(--accent); margin-top: 1px; }
.wc-ic svg { width: 20px; height: 20px; }
.wc-list b { display: block; font-size: 13.5px; font-weight: 600; color: var(--fg); }
.wc-list i { font-style: normal; font-size: 12px; color: var(--fg-dim); }

/* ---- Strip ------------------------------------------------------------ */
.strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-alt); }
.strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 26px 0; }
.strip-grid > div { text-align: center; }
.strip-grid b { display: block; font-size: 28px; color: var(--fg); }
.strip-grid span { font-size: 13.5px; color: var(--fg-dim); }

/* ---- Section ---------------------------------------------------------- */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -.8px; }
.section-head p { color: var(--fg-dim); font-size: 17px; margin: 0; }

/* ---- Cards ------------------------------------------------------------ */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 24px;
  transition: transform .16s ease, border-color .16s ease, background .16s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); }
.card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: grid; place-items: center; margin-bottom: 16px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent-2);
}
.card-icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 17px; margin-bottom: 6px; }
.card p { font-size: 14.5px; color: var(--fg-dim); margin: 0; }

/* ---- NXC -------------------------------------------------------------- */
.nxc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.nxc-grid h2 { font-size: clamp(24px, 3vw, 34px); letter-spacing: -.6px; }
.check-list { list-style: none; margin: 16px 0 0; padding: 0; }
.check-list li { position: relative; padding: 6px 0 6px 30px; color: var(--fg-dim); font-size: 15px; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 5px;
  color: var(--green); font-weight: 700;
}

.matrix { width: 100%; border-collapse: collapse; font-size: 14.5px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.matrix th, .matrix td { padding: 11px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.matrix thead th { background: var(--surface-2); font-size: 13px; color: var(--fg-dim); }
.matrix tbody tr:last-child td { border-bottom: 0; }
.matrix .yes { color: var(--green); font-weight: 600; }

/* ---- Galeri ----------------------------------------------------------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery .loading { color: var(--fg-faint); font-size: 14px; }
.shot {
  margin: 0; border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
  background: var(--surface); cursor: zoom-in; transition: transform .16s ease, border-color .16s ease;
}
.shot:hover { transform: translateY(-3px); border-color: var(--accent); }
.shot img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }

/* ---- Pintasan --------------------------------------------------------- */
.shortcuts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 32px; }
.sc { display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--surface); font-size: 14.5px; }
.sc span { margin-right: auto; color: var(--fg-dim); }
kbd {
  font-family: inherit; font-size: 12.5px; padding: 2px 8px; border-radius: 5px;
  background: var(--surface-2); border: 1px solid var(--border); border-bottom-width: 2px; color: var(--fg);
}

/* ---- Unduh ------------------------------------------------------------ */
.download-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.download-grid h2 { font-size: clamp(24px, 3vw, 34px); letter-spacing: -.6px; }
.reqs { margin: 22px 0; }
.reqs h4 { font-size: 14px; text-transform: uppercase; letter-spacing: .06em; color: var(--fg-faint); margin-bottom: 8px; }

/* Pemilih OS di bagian unduh — JS menandai satu tab .active dan menampilkan
   elemen [data-req]/[data-out]/[data-artifact] yang cocok. Tanpa JS, semua
   tab tampak biasa dan blok Windows (default) tetap terbaca. ----------------- */
.os-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 4px; }
.os-tab {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  padding: 9px 16px; border-radius: 8px; font-size: 14.5px; font-family: inherit;
  border: 1px solid var(--border); background: var(--surface); color: var(--fg-dim);
}
.os-tab:hover { color: var(--fg); border-color: var(--accent); }
.os-tab.active { color: #fff; background: var(--accent); border-color: var(--accent); }
.os-tab svg { flex: none; }
.os-tab .soon {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .04em;
  padding: 1px 6px; border-radius: 999px; margin-left: 2px;
  background: var(--surface-2); color: var(--fg-faint); border: 1px solid var(--border);
}
.os-tab[data-os="macos"] { opacity: .55; }
[data-req], [data-out], [data-artifact] { display: none; }
.os-active-windows [data-req="windows"],
.os-active-windows [data-out="windows"],
.os-active-windows [data-artifact="windows"],
.os-active-macos [data-req="macos"],
.os-active-macos [data-out="macos"],
.os-active-macos [data-artifact="macos"],
.os-active-linux [data-req="linux"],
.os-active-linux [data-out="linux"],
.os-active-linux [data-artifact="linux"] { display: block; }
.os-active-windows [data-out="windows"].step-note,
.os-active-macos [data-out="macos"].step-note,
.os-active-linux [data-out="linux"].step-note { display: block; }

.steps { display: flex; flex-direction: column; gap: 16px; margin-top: 100px; }
.step { border: 1px solid var(--border); border-radius: 12px; background: var(--surface); padding: 18px 20px; }
.step-head { display: flex; align-items: center; gap: 10px; font-weight: 600; margin-bottom: 12px; }
.step-head .step-num {
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); color: #fff; font-size: 14px; flex: none;
}
pre { position: relative; margin: 0 0 10px; padding: 12px 14px; border-radius: 8px;
  background: var(--code-bg); border: 1px solid var(--border); overflow-x: auto; }
pre code { font-size: 13.5px; color: var(--fg); }
.step p { margin: 0; font-size: 14px; color: var(--fg-dim); }
.step p code { background: var(--surface-2); padding: 1px 6px; border-radius: 4px; }
.step-note { line-height: 1.55; }

.copy {
  position: absolute; top: 8px; right: 8px;
  font-size: 12px; padding: 4px 10px; border-radius: 5px; cursor: pointer;
  background: var(--surface-2); color: var(--fg-dim); border: 1px solid var(--border);
}
.copy:hover { color: var(--fg); border-color: var(--accent); }

/* ---- Footer ----------------------------------------------------------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-alt); padding: 40px 0 26px; }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 34px; height: 34px; border-radius: 8px; }
.footer-brand strong { display: block; font-size: 16px; }
.footer-brand span { font-size: 13px; color: var(--fg-faint); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: var(--fg-dim); font-size: 14px; }
.footer-links a:hover { color: var(--fg); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--fg-faint); }

/* ---- Lightbox --------------------------------------------------------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100; display: none;
  align-items: center; justify-content: center;
  background: rgba(0, 0, 0, .86); padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 88vh; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,.6); }
.lb-close {
  position: absolute; top: 18px; right: 24px; font-size: 34px; line-height: 1;
  color: #fff; background: none; border: 0; cursor: pointer; opacity: .8;
}
.lb-close:hover { opacity: 1; }
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  font-size: 44px; line-height: 1; color: #fff; background: none; border: 0; cursor: pointer; opacity: .7;
  padding: 0 18px;
}
.lb-nav:hover { opacity: 1; }
.lb-prev { left: 8px; }
.lb-next { right: 8px; }

/* ---- Animasi reveal --------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---- Responsif -------------------------------------------------------- */
@media (max-width: 960px) {
  .hero-grid, .nxc-grid, .download-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero { padding-top: 56px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .hero-shot { order: 2; }
}

@media (max-width: 680px) {
  .nav-links { display: none; position: absolute; top: 62px; left: 0; right: 0;
    flex-direction: column; gap: 0; padding: 8px; background: var(--surface);
    border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; }
  .burger { display: flex; }
  .cards, .gallery, .shortcuts { grid-template-columns: 1fr; }
  .strip-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .section { padding: 60px 0; }
  .cta-row .btn { width: 100%; }
}