/* =============================================================
   STYLE.CSS — Portofolio Berlian
   File CSS eksternal (Modul 3 - E.2 "Style dalam file eksternal")
   dirujuk oleh semua halaman lewat <link rel="stylesheet">
   ============================================================= */

/* ---------- Design tokens ---------- */
:root{
  --bg:        #0d1117;
  --surface:   #141a22;
  --surface-2: #1b2330;
  --line:      #262f3d;
  --text:      #cdd6e2;
  --muted:     #7d8a9c;
  --accent:    #e3b039;   /* amber - warna "cursor" kode  */
  --accent-2:  #7ee081;   /* hijau terminal, dipakai tipis */
  --accent-soft: rgba(227,179,65,.14);
  --mono: "JetBrains Mono", "Fira Code", Consolas, monospace;
  --sans: "Inter", "Segoe UI", Arial, sans-serif;
}

/* ---------- Selector HTML dasar (Modul 3.b) ---------- */
*{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.65;
  font-size:16px;
}

h1,h2,h3,h4{
  font-family:var(--mono);
  font-weight:600;
  letter-spacing:-0.02em;
  color:#f2f5f9;
  margin:0 0 .6em;
}
h1{ font-size:clamp(2.1rem,4vw,3.2rem); line-height:1.15; }
h2{ font-size:clamp(1.5rem,3vw,2rem); }
h3{ font-size:1.15rem; }

p{ margin:0 0 1em; color:var(--text); max-width:70ch; }

a{ color:var(--accent); text-decoration:none; }
a:hover{ text-decoration:underline; }

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

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

section{ padding:5rem 6vw; }
.section-inner{ max-width:1100px; margin:0 auto; }

.eyebrow{
  font-family:var(--mono);
  font-size:.8rem;
  color:var(--accent);
  margin-bottom:.6rem;
}

/* ---------- Selector Class (Modul 3.b) — pengelompokkan selector ---------- */
.btn,
.kartu,
.pill{
  font-family:var(--sans);
}

.btn{
  display:inline-block;
  padding:.75rem 1.5rem;
  border-radius:6px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .2s ease, border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(120deg,#f3c65f,var(--accent) 60%,#c98f22);
  color:#1a1305;
}
.btn-primary:hover{ transform:translateY(-2px); text-decoration:none; }
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent); text-decoration:none; }

.pill{
  display:inline-block;
  font-family:var(--mono);
  font-size:.78rem;
  padding:.3rem .7rem;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent);
  border:1px solid rgba(227,179,65,.35);
  margin:0 .4rem .4rem 0;
}

/* =============================================================
   NAVIGASI  (Modul 5 & Modul 6 — navbar horizontal + dropdown)
   ============================================================= */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(13,17,23,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}

.navbar{
  max-width:1200px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding:1rem 6vw;
  position:relative;
}

.brand{
  font-family:var(--mono);
  font-weight:700;
  font-size:1.1rem;
  color:#f2f5f9;
}
.brand span{ color:var(--accent); }

.nav-toggle{
  display:none;
  background:none; border:1px solid var(--line); color:var(--text);
  font-size:1.2rem; padding:.4rem .7rem; border-radius:6px; cursor:pointer;
}

/* #menu — Selector ID (Modul 3.b) dipakai untuk komponen navigasi tunggal */
#menu{
  display:flex;
  align-items:center;
  gap:.25rem;
}

#menu li{ position:relative; }

#menu > li > a{
  display:block;
  padding:.6rem 1rem;
  font-family:var(--mono);
  font-size:.9rem;
  color:var(--text);
  border-radius:6px;
  transition:color .2s ease, background .2s ease;
}
#menu > li > a:hover,
#menu > li.active > a{
  color:var(--accent);
  background:var(--accent-soft);
  text-decoration:none;
}

/* Dropdown ala Modul 6: gradient + border-radius + transisi opacity */
.dropdown{
  position:absolute;
  top:calc(100% + .5rem);
  left:0;
  min-width:220px;
  background:linear-gradient(160deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);
  border-radius:10px;
  padding:.5rem;
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s;
  box-shadow:0 12px 30px rgba(0,0,0,.45);
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown{
  opacity:1; visibility:visible; transform:translateY(0);
}
.dropdown li a{
  display:block;
  padding:.55rem .8rem;
  border-radius:6px;
  font-family:var(--sans);
  font-size:.9rem;
  color:var(--text);
}
.dropdown li a:hover{
  background:var(--accent-soft);
  color:var(--accent);
  text-decoration:none;
}

@media (max-width:840px){
  .nav-toggle{ display:inline-block; }
  #menu{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:stretch;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    padding:.5rem;
    display:none;
  }
  #menu.open{ display:flex; }
  .dropdown{ position:static; opacity:1; visibility:visible; transform:none; display:none; box-shadow:none; margin-top:.3rem;}
  .has-dropdown.open .dropdown{ display:block; }
}

/* =============================================================
   HERO / BACKGROUND IMAGE  (Modul 4 — background-image, repeat,
   position, attachment; kotak transparan di atas background)
   ============================================================= */
.hero{
  min-height:88vh;
  display:flex; align-items:center;
  padding:8rem 6vw 4rem;
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 15% 20%, rgba(227,179,65,.16), transparent 42%),
    radial-gradient(circle at 85% 75%, rgba(126,224,129,.10), transparent 40%),
    repeating-linear-gradient(45deg, rgba(255,255,255,.025) 0 2px, transparent 2px 14px);
  background-repeat:no-repeat, no-repeat, repeat;
  background-attachment:fixed, fixed, scroll;
  background-position:center, center, center;
}

.hero-grid{
  max-width:1200px; margin:0 auto;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:3rem;
  align-items:center;
}
@media (max-width:900px){ .hero-grid{ grid-template-columns:1fr; } }

/* Terminal mockup */
.terminal{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:10px;
  overflow:hidden;
  box-shadow:0 20px 50px rgba(0,0,0,.5);
}
.terminal-bar{
  display:flex; gap:.4rem;
  padding:.7rem .9rem;
  background:var(--surface-2);
  border-bottom:1px solid var(--line);
}
.terminal-bar span{
  width:11px; height:11px; border-radius:50%;
  display:inline-block;
  background:#4a5568;
}
.terminal-bar span:nth-child(1){ background:#ff5f57; }
.terminal-bar span:nth-child(2){ background:#febc2e; }
.terminal-bar span:nth-child(3){ background:#28c840; }
.terminal-body{
  font-family:var(--mono);
  font-size:.9rem;
  padding:1.4rem;
  color:var(--accent-2);
}
.terminal-body .muted{ color:var(--muted); }
.terminal-body .k{ color:#82aaff; }
.terminal-body .s{ color:var(--accent); }
.cursor{
  display:inline-block; width:8px; height:1.1em;
  background:var(--accent); margin-left:2px;
  animation:blink 1s steps(1) infinite;
  vertical-align:text-bottom;
}
@keyframes blink{ 50%{ opacity:0; } }

/* Kotak transparan (Modul 4 - Tugas Mandiri no.2) */
.transparent-box{
  background:rgba(20,26,34,.55);
  backdrop-filter:blur(6px);
  border:1px solid rgba(227,179,65,.3);
  border-radius:10px;
  padding:2rem 2.2rem;
}

/* =============================================================
   GAMBAR / IMG  (Modul 4 — border, width, height, opacity:hover)
   ============================================================= */
.avatar{
  width:190px;
  height:190px;
  border-radius:50%;
  border:3px solid var(--accent);
  object-fit:cover;
  opacity:.88;
  transition:opacity .3s ease, transform .3s ease;
}
.avatar:hover{
  opacity:1;
  transform:scale(1.03);
}

.avatar-sm{
  width:56px;
  height:56px;
  margin-bottom:1rem;
}

.thumb{
  width:100%;
  height:180px;
  object-fit:cover;
  border:1px solid var(--line);
  border-radius:8px 8px 0 0;
  opacity:.82;
  transition:opacity .3s ease, filter .3s ease;
}
.kartu:hover .thumb{
  opacity:1;
}

/* =============================================================
   LAYOUT — 2 KOLOM (Modul 5 — #leftcolumn / #rightcolumn)
   ============================================================= */
#profil-wrapper{
  display:grid;
  grid-template-columns:280px 1fr;
  gap:3rem;
  max-width:1100px;
  margin:0 auto;
}
@media (max-width:780px){ #profil-wrapper{ grid-template-columns:1fr; } }

#sidebar-kiri{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  padding:2rem 1.6rem;
  text-align:center;
  height:fit-content;
  position:sticky;
  top:6.5rem;
}
#sidebar-kiri .fakta{
  text-align:left;
  margin-top:1.6rem;
  border-top:1px dashed var(--line);
  padding-top:1.2rem;
}
#sidebar-kiri .fakta dt{
  font-family:var(--mono);
  font-size:.72rem;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--muted);
  margin-top:.9rem;
}
#sidebar-kiri .fakta dd{ margin:.15rem 0 0; color:var(--text); }

#konten-kanan h2{ margin-top:0; }
#konten-kanan .skill-row{ margin-bottom:1rem; }
.skill-label{
  display:flex; justify-content:space-between;
  font-family:var(--mono); font-size:.82rem; color:var(--muted); margin-bottom:.3rem;
}
.skill-bar{
  height:8px; border-radius:99px; background:var(--surface-2); overflow:hidden;
}
.skill-bar > span{
  display:block; height:100%;
  background:linear-gradient(90deg,var(--accent-2),var(--accent));
  border-radius:99px;
}

/* =============================================================
   LAYOUT — 3 KOLOM (Modul 5 — sidebar-kiri/tengah/kanan versi grid)
   ============================================================= */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1.6rem;
}
@media (max-width:900px){ .grid-3{ grid-template-columns:1fr; } }

.kartu{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:10px;
  overflow:hidden;
  transition:transform .2s ease, border-color .2s ease;
}
.kartu:hover{ transform:translateY(-4px); border-color:var(--accent); }
.kartu-body{ padding:1.3rem 1.4rem; }
.kartu-body h3{ margin-bottom:.4rem; }
.kartu-body .periode{
  font-family:var(--mono); font-size:.75rem; color:var(--muted); display:block; margin-bottom:.6rem;
}

.kolom-judul{
  font-family:var(--mono);
  color:var(--accent);
  font-size:.85rem;
  letter-spacing:.04em;
  border-bottom:1px solid var(--line);
  padding-bottom:.6rem;
  margin-bottom:1.4rem;
}

/* ---------- Navigasi horizontal sekunder (Modul 5.c) ---------- */
.subnav{
  display:flex; list-style:none; overflow:hidden;
  border:1px solid var(--line); border-radius:8px; width:fit-content; margin:0 auto 3rem;
}
.subnav li a{
  display:block; padding:.6rem 1.3rem;
  font-family:var(--mono); font-size:.82rem; color:var(--muted);
}
.subnav li:not(:last-child) a{ border-right:1px solid var(--line); }
.subnav li a:hover, .subnav li a.aktif{
  background:var(--accent-soft); color:var(--accent); text-decoration:none;
}

/* =============================================================
   LAYOUT KLASIK DENGAN FLOAT  (Modul 5 — teknik #leftcolumn /
   #rightcolumn asli menggunakan float, berdampingan dengan versi
   Grid yang dipakai di bagian lain situs)
   ============================================================= */
.float-wrapper{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  padding:2rem;
  overflow:hidden; /* clearfix sederhana pengganti elemen clear:both */
}
#leftcolumn{
  float:left;
  width:220px;
}
#rightcolumn{
  margin-left:250px;
}
#leftcolumn .angka{
  font-family:var(--mono);
  font-size:2.2rem;
  color:var(--accent);
  display:block;
}
#leftcolumn .keterangan{
  font-family:var(--mono);
  font-size:.78rem;
  color:var(--muted);
  text-transform:uppercase;
  letter-spacing:.05em;
}
@media (max-width:640px){
  #leftcolumn{ float:none; width:auto; margin-bottom:1.5rem; }
  #rightcolumn{ margin-left:0; }
}

/* =============================================================
   NAVIGASI VERTIKAL  (Modul 5.b — display:block, uppercase,
   width tetap, warna solid + hover)
   ============================================================= */
.vnav{
  list-style-type:none;
  margin:0;
  padding:0;
}
.vnav a:link,
.vnav a:visited{
  display:block;
  font-weight:bold;
  color:#0d1117;
  background-color:var(--accent);
  width:100%;
  text-align:center;
  padding:.6rem 0;
  margin-bottom:2px;
  text-decoration:none;
  text-transform:uppercase;
  font-family:var(--mono);
  font-size:.78rem;
  letter-spacing:.04em;
  border-radius:4px;
}
.vnav a:hover,
.vnav a:active{
  background-color:var(--accent-2);
}

/* =============================================================
   DROPDOWN SEJAJAR KIRI/KANAN  (Modul 6 - Tugas "Aligned
   Dropdown Content", float:left / float:right)
   ============================================================= */
.align-dropdown-row{
  overflow:hidden; /* clearfix agar wrapper ikut tinggi elemen float di dalamnya */
  padding-bottom:.5rem;
}
.align-dropdown{
  position:relative;
}
.align-dropdown.kiri{ float:left; }
.align-dropdown.kanan{ float:right; }
.dropbtn2{
  background-color:var(--accent);
  color:#0d1117;
  padding:.7rem 1.2rem;
  font-size:.9rem;
  font-family:var(--mono);
  border:none;
  border-radius:6px;
  cursor:pointer;
}
.align-dropdown:hover .dropbtn2{
  background-color:var(--accent-2);
}
.align-dropdown-content{
  display:none;
  position:absolute;
  top:100%;
  margin-top:.4rem;
  background-color:var(--surface-2);
  border:1px solid var(--line);
  min-width:170px;
  border-radius:8px;
  box-shadow:0 8px 20px rgba(0,0,0,.4);
  z-index:10;
  overflow:hidden;
}
.align-dropdown.kiri .align-dropdown-content{ left:0; }
.align-dropdown.kanan .align-dropdown-content{ right:0; }
.align-dropdown-content a{
  color:var(--text);
  padding:.65rem 1rem;
  text-decoration:none;
  display:block;
  font-size:.88rem;
}
.align-dropdown-content a:hover{ background-color:var(--accent-soft); color:var(--accent); }
.align-dropdown:hover .align-dropdown-content{ display:block; }

/* =============================================================
   FORM  (Modul 3 - Tugas Mandiri "Form Pengisian" gaya KTP)
   ============================================================= */
.form-wrap{
  max-width:640px; margin:0 auto;
}
fieldset{
  border:1px solid var(--line);
  border-radius:10px;
  padding:1.8rem;
  background:var(--surface);
}
legend{
  font-family:var(--mono);
  color:var(--accent);
  padding:0 .6rem;
  font-size:.9rem;
}
.field{ margin-bottom:1.2rem; }
.field label{
  display:block; font-family:var(--mono); font-size:.78rem;
  color:var(--muted); margin-bottom:.4rem; text-transform:uppercase; letter-spacing:.04em;
}
.field input,
.field textarea{
  width:100%;
  padding:.75rem .9rem;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:6px;
  color:var(--text);
  font-family:var(--sans);
  font-size:.95rem;
}
.field input:focus,
.field textarea:focus{
  outline:none; border-color:var(--accent);
}
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:1.2rem; }
@media (max-width:600px){ .field-row{ grid-template-columns:1fr; } }

/* ---------- Info kontak (Selector class digabung dgn span/div, Modul 3) ---------- */
.kontak-info{ display:grid; gap:1rem; margin-top:2rem; }
.kontak-info .baris{
  display:flex; gap:.9rem; align-items:flex-start;
  padding:1rem; border:1px solid var(--line); border-radius:8px; background:var(--surface);
}
.kontak-info .ikon{
  font-family:var(--mono); color:var(--accent); font-weight:700;
}

/* =============================================================
   FOOTER
   ============================================================= */
.site-footer{
  border-top:1px solid var(--line);
  padding:2.5rem 6vw;
  text-align:center;
  color:var(--muted);
  font-size:.85rem;
  /* Properti singkat background (Modul 4): color, image, repeat, attachment, position */
  background: var(--bg) radial-gradient(circle at 50% 0%, rgba(227,179,65,.08), transparent 60%) no-repeat fixed center top;
}
.site-footer .sosial{ margin-top:.8rem; }
.site-footer .sosial a{ margin:0 .5rem; color:var(--muted); }
.site-footer .sosial a:hover{ color:var(--accent); }

/* ---------- Utility ---------- */
.text-center{ text-align:center; }
.mt-lg{ margin-top:3rem; }
.grid-tags{ margin-top:1.2rem; }


/* =============================================================
   TAMBAHAN UNTUK JAVASCRIPT (script.js)
   Bagian ini hanya mengatur tampilan efek-efek dari script.js.
   ============================================================= */

/* ---------- 1. Terminal mengetik ---------- */
/* Saat sedang mengetik, kursor tidak berkedip (seperti terminal asli) */
.terminal-body.mengetik .cursor{ animation:none; }

/* ---------- 2. Skill bar terisi pelan-pelan ---------- */
.skill-bar > span{
  transition:width 1.1s cubic-bezier(.22,1,.36,1);
}

/* ---------- 3. Kartu muncul saat di-scroll ---------- */
/* .reveal = keadaan awal (tersembunyi & agak turun)
   .tampil = keadaan akhir (terlihat jelas) — ditambahkan oleh JavaScript */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .6s ease, transform .6s ease, border-color .2s ease;
}
.reveal.tampil{
  opacity:1;
  transform:none;
}

/* Hormati pengguna yang mematikan animasi di perangkatnya */
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  .skill-bar > span{ transition:none; }
}