/* ============================================================
   T4n OS — HOMEPAGE (index.html) · TEMA EVERFOREST DARK
   ============================================================
   Dipakai oleh : index.html (root)
   Pasangan     : assets/script.js
   Referensi    : site/assets/style.css (halaman search, token sama)

   DAFTAR ISI
   ----------
   1.  Token desain (:root)   — palet Everforest + font stack
   2.  Base & reset           — body, link, selection, .wrap
   3.  Heading section (h2)   — serif + underline aksen
   4.  Header / navbar        — sticky, brand, nav
   5.  Hero                   — headline serif + terminal crumb
   6.  Repo cards             — grid kartu repository
   7.  Installer              — tab repo/arch, terminal, all-cmd
   8.  Footer & toast
   9.  Responsive (<640px)    — penyesuaian mobile
   10. Aksesibilitas          — prefers-reduced-motion

   CATATAN FONT:
   Serif "Cormorant Garamond" dimuat via Google Fonts (@import).
   Hapus baris @import untuk mode 100% offline — heading akan
   fallback ke Georgia (visual mirip).
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;600;700&display=swap');

/* ============================================================
   1. TOKEN DESAIN (:root)
   ------------------------------------------------------------
   Palet Everforest Dark:
     --bg / --bg-deep / --bg-soft : latar utama, footer, hover
     --panel / --panel-2          : kartu, terminal, panel-bar
     --line / --line-2            : border lembut / border kuat
     --text / --muted / --dim     : hierarki teks 3 tingkat
     --accent (#a7c080)           : hijau sage khas Everforest —
                                    tombol, tab aktif, link hover
     --green/--yellow/--red       : titik "lampu" terminal & status
   Ubah tema seluruh situs cukup dari token di sini.
   ============================================================ */
:root{
  --bg:#121816;       --bg-deep:#0d1210;  --bg-soft:#1a231f;
  --panel:#161d1a;    --panel-2:#1b2420;
  --line:#242e29;     --line-2:#38453e;
  --text:#d8e0d0;     --muted:#9aa89b;    --dim:#6e7d70;
  --accent:#a7c080;   --accent-bright:#b6ce91; --accent-soft:rgba(167,192,128,.12);
  --green:#a7c080;    --yellow:#dbbc7f;   --red:#e67e80;
  --radius:12px;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --mono:ui-monospace,"JetBrains Mono","Fira Code","Cascadia Code",Menlo,Consolas,monospace;
}

/* ============================================================
   2. BASE & RESET
   ============================================================ */
*{box-sizing:border-box}
body{
  margin:0;
  /* Glow hijau tipis di atas halaman + latar Everforest */
  background:radial-gradient(900px 420px at 50% -80px, rgba(167,192,128,.07), transparent 70%), var(--bg);
  color:var(--text); font-family:var(--sans); font-size:15px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}   /* semua link di-styling manual */
button{font:inherit;cursor:pointer}
::selection{background:rgba(167,192,128,.3)}

/* Container lebar konsisten: max 920px, shrink di layar kecil */
.wrap{width:min(920px,92vw);margin-inline:auto}

/* ============================================================
   3. HEADING SECTION — serif kecil ala situs utama T4n OS
   h2::after = garis pendek warna aksen di bawah judul
   ============================================================ */
h2{
  font-family:var(--serif); font-size:17px; font-weight:600;
  letter-spacing:.18em; text-transform:uppercase;
  color:var(--text); margin:0 0 18px;
}
h2::after{content:"";display:block;width:56px;height:1px;background:var(--accent);margin-top:8px;opacity:.7}

/* ============================================================
   4. HEADER / NAVBAR
   sticky + backdrop blur; nav item uppercase letterspaced,
   halaman aktif diberi underline inset via box-shadow
   ============================================================ */
header{position:sticky;top:0;z-index:50;background:rgba(13,18,16,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:18px;height:60px}
.brand{font-family:var(--serif);font-weight:600;font-size:21px;letter-spacing:.05em}
.brand b{color:var(--accent);font-weight:600}          /* "OS" berwarna aksen */
.bar nav{display:flex;gap:6px;margin-left:auto;align-items:center}
.bar nav a{
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  padding:6px 12px;border-radius:8px;color:var(--muted);
  border:1px solid transparent;transition:.15s;white-space:nowrap;
}
.bar nav a:hover{color:var(--text);background:var(--bg-soft);border-color:var(--line-2)}
.bar nav a.active{color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent)}  /* underline aktif */

/* Tombol GitHub: logo inline SVG mengikuti warna teks (currentColor) */
.bar nav a.gh{display:inline-flex;align-items:center;gap:7px;border-color:var(--line-2)}
.bar nav a.gh svg{width:15px;height:15px;fill:currentColor;flex:none}
.bar nav a.gh:hover{color:var(--accent);border-color:var(--accent)}

/* ============================================================
   5. HERO — rata kiri ala situs utama
   .crumb : baris terminal (font mono, warna aksen)
   .caret : blok berkedip ala kursor terminal
   h1 em  : kata beraksen ("Void-based.")
   ============================================================ */
.hero{padding:72px 0 20px;text-align:left;max-width:640px}
.crumb{font-family:var(--mono);color:var(--accent);font-size:13px;margin:0 0 16px}
.caret{display:inline-block;width:8px;height:15px;background:var(--accent);margin-left:4px;vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero h1{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(38px,7vw,62px);margin:0 0 14px;line-height:1.08;letter-spacing:.01em;
}
.hero h1 em{font-style:normal;color:var(--accent)}
.sub{color:var(--muted);margin:0 0 10px}
.sub b{color:var(--text)}

/* Tombol CTA: primer solid hijau, sekunder outline (ghost) */
.cta{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.btn{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;
  display:inline-block;background:var(--accent);color:#18211b;font-weight:700;
  padding:12px 24px;border-radius:9px;border:1px solid var(--accent);transition:.15s;
}
.btn:hover{background:var(--accent-bright);border-color:var(--accent-bright);transform:translateY(-2px)}
.btn.ghost{background:none;color:var(--muted);border-color:var(--line-2)}
.btn.ghost:hover{color:var(--accent);border-color:var(--accent);transform:none}

/* ============================================================
   6. REPO CARDS — grid kartu repository
   Isi #repoGrid dibangun oleh renderCards() di script.js.
   Kartu = link ke site/<key>.html; hover: naik + border aksen.
   ============================================================ */
.repos{margin:56px 0 10px}
.repo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.repo{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 16px;display:flex;flex-direction:column;gap:7px;transition:.15s;
}
.repo:hover{border-color:rgba(167,192,128,.45);transform:translateY(-3px)}
.repo-name{font-family:var(--serif);font-weight:600;font-size:17px;letter-spacing:.04em;color:var(--accent)}
.repo-desc{color:var(--muted);font-size:12.5px}
.chips{display:flex;flex-wrap:wrap;gap:5px}            /* daftar arch kecil */
.chips i{font-family:var(--mono);font-style:normal;font-size:10px;color:var(--dim);border:1px solid var(--line);border-radius:999px;padding:1px 8px}
.repo-go{font-family:var(--mono);font-size:11.5px;margin-top:auto;color:var(--dim);transition:.15s}  /* dorong ke bawah kartu */
.repo:hover .repo-go{color:var(--accent)}

/* ============================================================
   7. INSTALLER — "Cara pasang repository"
   .itab      : tombol tab (repo / arch); .active = terpilih
   .term      : terminal preview perintah; .tline = 1 baris;
                padding-kanan 110px memberi ruang tombol copy
   .all-cmd   : <details> rekap semua perintah;
                .cmd-group = per repo, .cmd-line = per arch
   ============================================================ */
.install{margin:52px 0 10px;scroll-margin-top:80px}    /* offset saat lompat anchor #install */
.inst-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.itab{
  font-family:var(--mono);font-size:12.5px;
  background:var(--panel);border:1px solid var(--line);border-radius:999px;
  color:var(--muted);padding:8px 18px;transition:.15s;
}
.itab:hover{color:var(--text);border-color:var(--line-2)}
.itab.active{background:var(--accent);border-color:var(--accent);color:#18211b;font-weight:700}
.inst-row.small .itab{padding:6px 14px;font-size:12px}  /* tab arch lebih kecil */

.term{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 110px 16px 18px;box-shadow:0 14px 40px rgba(0,0,0,.35)}
.tline{font-family:var(--mono);color:var(--muted);font-size:13px;white-space:nowrap;overflow-x:auto;padding:2px 0}
.tline .tp{color:var(--accent)}                /* prompt "$" */
.tline span[id]{color:var(--accent)}           /* nilai URL / .conf yang dinamis */
.term .copy{position:absolute;top:12px;right:12px}
.copy{font-family:var(--mono);background:var(--bg-soft);border:1px solid var(--line-2);color:var(--muted);border-radius:8px;padding:4px 9px;font-size:11.5px;transition:.15s;flex:none}
.copy:hover{color:var(--accent);border-color:var(--accent)}

.all-cmd{margin-top:16px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
.all-cmd summary{cursor:pointer;padding:12px 16px;color:var(--muted);font-size:13px;user-select:none}
.all-cmd summary:hover{color:var(--accent)}
.all-cmd[open] summary{border-bottom:1px solid var(--line)}  /* pisahkan summary dari isi */
.cmd-group{padding:14px 16px}
.cmd-group + .cmd-group{border-top:1px solid var(--line)}
.cmd-group h3{font-family:var(--serif);font-weight:600;font-size:15px;letter-spacing:.05em;margin:0 0 10px;color:var(--accent)}
.cmd-line{display:flex;align-items:center;gap:10px;padding:4px 0}
.cmd-line .chip{font-family:var(--mono);font-size:11px;padding:2px 9px;border-radius:999px;border:1px solid rgba(167,192,128,.35);color:var(--accent);white-space:nowrap;flex:none;min-width:64px;text-align:center}
.cmd-line code{font-family:var(--mono);flex:1;color:var(--muted);font-size:12px;overflow-x:auto;white-space:nowrap;scrollbar-width:none}

/* ============================================================
   8. FOOTER & TOAST
   footer : latar paling gelap (bg-deep) + garis atas
   .toast : notifikasi copy — muncul via .show (dari script.js)
   ============================================================ */
footer{background:var(--bg-deep);border-top:1px solid var(--line);margin-top:60px;padding:20px 0;color:var(--dim);font-size:12.5px}
.foot{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.foot p{margin:0}
.foot a:hover{color:var(--accent)}
.toast{font-family:var(--mono);position:fixed;left:50%;bottom:26px;transform:translate(-50%,16px);background:var(--bg-soft);border:1px solid var(--accent);color:var(--text);padding:9px 16px;border-radius:10px;font-size:13px;opacity:0;pointer-events:none;transition:.25s;z-index:99;max-width:90vw}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ============================================================
   9. RESPONSIVE — layar ≤ 640px
   ============================================================ */
@media(max-width:640px){
  .hero{padding-top:48px}
  .term{padding-right:18px}                 /* copy pindah ke aliran normal */
  .term .copy{position:static;margin-top:10px}
  .cmd-line{flex-wrap:wrap}                 /* perintah panjang wrap */
  .cmd-line code{flex:1 1 100%}
  .bar nav{overflow-x:auto;scrollbar-width:none}  /* nav bisa digeser */
}

/* ============================================================
   10. AKSESIBILITAS — hormati preferensi reduce motion:
   matikan SEMUA animasi & transisi (caret, hover, toast, dll)
   ============================================================ */
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}