/**
 * ==============================================================================
 * PERSONAL WEBSITE - DARK NEO-BRUTALISME STYLESHEET
 * ==============================================================================
 * Petunjuk Modifikasi:
 * Anda dapat dengan mudah mengubah warna tema, ketebalan border, dan bayangan
 * cukup dengan mengubah nilai variabel pada blok :root di bawah ini.
 * ==============================================================================
 */

:root {
  /* Palet Warna Utama */
  --bg-main: #0c0d11;              /* Background utama halaman */
  --bg-surface: #15171e;           /* Background kartu / card */
  --bg-surface-elevated: #1e222b;  /* Background elemen hover / dropdown */
  --text-main: #f8fafc;            /* Warna teks primer */
  --text-muted: #94a3b8;           /* Warna teks sekunder / deskripsi */

  /* Warna Aksen Primary (Orange) */
  --primary-orange: #ff6b00;       /* Warna oranye identitas */
  --primary-orange-light: #ff8933; /* Warna oranye saat hover / aksen terang */
  --primary-orange-glow: rgba(255, 107, 0, 0.2);

  /* Variabel Neo-Brutalisme (Border & Hard Shadow) */
  --border-color: #f8fafc;         /* Warna garis batas (border) */
  --border-muted: #334155;         /* Garis batas sekunder */
  --border-width: 2.5px;           /* Ketebalan border tegas */
  --nb-radius: 6px;                /* Sedikit melengkung tapi tetap tegas khas neo-brutalisme modern */
  
  /* Hard Offset Shadows */
  --shadow-orange: 5px 5px 0px #ff6b00;
  --shadow-white: 5px 5px 0px #f8fafc;
  --shadow-dark: 5px 5px 0px #000000;
  --shadow-sm-orange: 3px 3px 0px #ff6b00;
  --shadow-sm-white: 3px 3px 0px #f8fafc;
}

/* Background pola grid industrial neo-brutalisme */
body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Font Heading Khas Neo-Brutalisme */
h1, h2, h3, h4, .font-heading {
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.02em;
}

.font-mono-code {
  font-family: 'JetBrains Mono', monospace;
}

/* ==============================================================================
 * KOMPONEN NEO-BRUTALISME REUSABLE (CLASS UTAMA)
 * ============================================================================== */

/* 1. Kartu Standar (.nb-card) */
.nb-card {
  background-color: var(--bg-surface);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--nb-radius);
  box-shadow: var(--shadow-white);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.nb-card-orange {
  border-color: var(--primary-orange);
  box-shadow: var(--shadow-orange);
}

.nb-card-hover:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0px var(--primary-orange);
}

/* 2. Tombol Neo-Brutalisme (.nb-btn) */
.nb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.75rem 1.5rem;
  border-radius: var(--nb-radius);
  border: var(--border-width) solid var(--border-color);
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  text-decoration: none;
  user-select: none;
}

/* Tombol Primary Orange */
.nb-btn-primary {
  background-color: var(--primary-orange);
  color: #000000;
  border-color: var(--border-color);
  box-shadow: var(--shadow-white);
}

.nb-btn-primary:hover {
  background-color: var(--primary-orange-light);
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--border-color);
}

.nb-btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px var(--border-color);
}

/* Tombol Outline / Secondary */
.nb-btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border-color: var(--border-color);
  box-shadow: var(--shadow-orange);
}

.nb-btn-outline:hover {
  background-color: var(--bg-surface-elevated);
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--primary-orange);
}

.nb-btn-outline:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px var(--primary-orange);
}

/* Tombol Kecil */
.nb-btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  box-shadow: var(--shadow-sm-white);
}
.nb-btn-sm:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0px var(--primary-orange);
}

/* 3. Badge / Tag Neo-Brutalisme (.nb-badge) */
.nb-badge {
  display: inline-flex;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border: 1.5px solid var(--border-color);
  border-radius: 4px;
  text-transform: uppercase;
  background-color: var(--bg-main);
  color: var(--text-main);
}

.nb-badge-orange {
  background-color: var(--primary-orange);
  color: #000000;
  border-color: #000000;
  box-shadow: 2px 2px 0px #f8fafc;
}

.nb-badge-outline-orange {
  border-color: var(--primary-orange);
  color: var(--primary-orange);
  background-color: rgba(255, 107, 0, 0.08);
}

/* 4. Timeline Komponen (.nb-timeline) */
.nb-timeline {
  position: relative;
  padding-left: 2rem;
  border-left: 3px solid var(--primary-orange);
}

.nb-timeline-item {
  position: relative;
  margin-bottom: 2.25rem;
}

.nb-timeline-item:last-child {
  margin-bottom: 0;
}

.nb-timeline-dot {
  position: absolute;
  left: -2rem;
  top: 0.25rem;
  transform: translateX(-50%);
  width: 1.25rem;
  height: 1.25rem;
  background-color: var(--primary-orange);
  border: 2.5px solid var(--border-color);
  border-radius: 2px;
  box-shadow: 2px 2px 0px #000000;
}

/* 5. Accordion Konsultan IT (.nb-accordion) */
.nb-accordion {
  border: var(--border-width) solid var(--border-color);
  background-color: var(--bg-surface);
  border-radius: var(--nb-radius);
  box-shadow: var(--shadow-sm-orange);
  margin-bottom: 1rem;
  transition: all 0.2s ease;
  overflow: hidden;
}

.nb-accordion summary {
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  list-style: none;
  font-family: 'Space Grotesk', sans-serif;
  user-select: none;
}

.nb-accordion summary::-webkit-details-marker {
  display: none;
}

.nb-accordion summary .accordion-icon {
  transition: transform 0.25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-main);
  color: var(--primary-orange);
  border-radius: 4px;
}

.nb-accordion[open] summary .accordion-icon {
  transform: rotate(180deg);
  background-color: var(--primary-orange);
  color: #000000;
  border-color: #000000;
}

.nb-accordion[open] {
  border-color: var(--primary-orange);
  box-shadow: var(--shadow-orange);
}

.nb-accordion .accordion-content {
  padding: 0 1.25rem 1.25rem 1.25rem;
  border-top: 1px dashed var(--border-muted);
  background-color: rgba(0, 0, 0, 0.2);
}

/* 6. Logo & Tool Box (.nb-logo-box) */
.nb-logo-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.5rem;
  padding: 1rem 0.75rem;
  background-color: var(--bg-surface);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--nb-radius);
  box-shadow: var(--shadow-sm-white);
  transition: all 0.2s ease;
}

.nb-logo-box:hover {
  transform: translate(-3px, -3px);
  border-color: var(--primary-orange);
  box-shadow: 5px 5px 0px var(--primary-orange);
  background-color: var(--bg-surface-elevated);
}

.nb-logo-box img, .nb-logo-box svg {
  width: 42px;
  height: 42px;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.nb-logo-box:hover img, .nb-logo-box:hover svg {
  transform: scale(1.1);
}

/* Tech Stack Filter Buttons */
.tech-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background-color: var(--bg-surface);
  color: var(--text-muted);
  border: 1.5px solid var(--border-color);
  border-radius: var(--nb-radius);
  box-shadow: 2px 2px 0px rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.15s ease;
}

.tech-filter-btn:hover {
  color: var(--text-main);
  border-color: var(--primary-orange);
  transform: translate(-1px, -1px);
}

.tech-filter-btn.active {
  background-color: var(--primary-orange);
  color: #000000;
  border-color: #ffffff;
  box-shadow: 2px 2px 0px #ffffff;
}

.tech-filter-btn .filter-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.05rem 0.35rem;
  border-radius: 2px;
  background: rgba(0, 0, 0, 0.25);
  color: inherit;
}

.tech-filter-btn.active .filter-count {
  background: rgba(0, 0, 0, 0.2);
}

/* 7. Input Form (.nb-input) */
.nb-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--bg-main);
  color: var(--text-main);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--nb-radius);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: all 0.15s ease;
}

.nb-input:focus {
  border-color: var(--primary-orange);
  box-shadow: 4px 4px 0px var(--primary-orange);
  transform: translate(-1px, -1px);
}

.nb-input::placeholder {
  color: #64748b;
}

/* 8. Foto Hero Neo-Brutal Frame */
.nb-avatar-wrapper {
  position: relative;
  display: inline-block;
}

.nb-avatar-wrapper::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 14px;
  width: 100%;
  height: 100%;
  background-color: var(--primary-orange);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--nb-radius);
  z-index: 1;
}

.nb-avatar-img {
  position: relative;
  z-index: 2;
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--nb-radius);
  background-color: var(--bg-surface);
  transition: transform 0.2s ease;
}

.nb-avatar-wrapper:hover .nb-avatar-img {
  transform: translate(-4px, -4px);
}

/* Fade transparan ke bawah pada layar mobile agar potongan gambar menyatu mulus */
.profile-fade-bottom {
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 70%, rgba(0, 0, 0, 0) 100%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 70%, rgba(0, 0, 0, 0) 100%);
}

@media (min-width: 1024px) {
  .profile-fade-bottom {
    -webkit-mask-image: none;
    mask-image: none;
  }
}

/* ==============================================================================
 * 9. NAVBAR MOBILE & FLOATING SIDEBAR NAVBAR (DESKTOP)
 * ============================================================================== */

/* Navbar Sticky Mobile di Bagian Atas */
.nb-navbar {
  background-color: rgba(12, 13, 17, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: var(--border-width) solid var(--border-color);
}

/* Floating Sidebar Navbar (Desktop: Transparan & Melayang di Atas Halaman) */
.nb-side-navbar {
  position: fixed;
  top: 0;
  right: 0.35rem; /* Melayang pas di sisi kanan sebelah scroll */
  bottom: 0;
  height: 100vh;
  height: 100dvh;
  z-index: 50;
  background: transparent !important;
  border-left: none !important;
  box-shadow: none !important;
  pointer-events: none; /* Klik tembus ke halaman di area kosong */
  display: none;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end; /* Rata kanan agar menempel manis ke sisi scrollbar */
  padding: 1.25rem 0.35rem;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nb-side-navbar::-webkit-scrollbar {
  display: none;
}

@media (min-width: 768px) {
  .nb-side-navbar {
    display: flex;
  }
}

/* Link Teks Murni (Tanpa Icon & Tanpa Kotak) */
.nb-side-nav-link {
  pointer-events: auto; /* Teks aktif bisa diklik */
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  width: auto;
  height: auto;
  padding: 0.35rem 0.5rem;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: right;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.35); /* Tulisan tipis / samar secara default */
  text-decoration: none;
  user-select: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Titik Indikator Sisi Kanan (Disebelah Scroll) */
.nb-side-nav-link::after {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: transparent;
  margin-left: 0.5rem;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

/* Saat di-hover: Baru kelihatan jelas */
.nb-side-nav-link:hover {
  color: #ffffff;
  font-weight: 700;
  opacity: 1;
  transform: translateX(-4px);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
}

.nb-side-nav-link:hover::after {
  background-color: #ffffff;
  transform: scale(1.5);
}

/* Saat aktif (Scrollspy) */
.nb-side-nav-link.active {
  color: var(--primary-orange);
  font-weight: 800;
  opacity: 1;
  transform: translateX(-4px);
  text-shadow: 0 0 12px rgba(255, 107, 0, 0.5);
}

.nb-side-nav-link.active::after {
  background-color: var(--primary-orange);
  transform: scale(1.75);
  box-shadow: 0 0 8px var(--primary-orange);
}

/* Tombol Kembali ke Atas Floating */
.nb-side-top-btn {
  pointer-events: auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--nb-radius);
  background-color: rgba(21, 23, 30, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1.5px solid var(--border-color);
  box-shadow: 2px 2px 0px rgba(0, 0, 0, 0.85);
  color: var(--text-muted);
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  cursor: pointer;
}

.nb-side-top-btn:hover {
  background-color: var(--primary-orange);
  color: #000000;
  border-color: #ffffff;
  transform: translateX(-3px);
  box-shadow: 3px 3px 0px #000000;
}

/* Neo-Brutalist Tooltip Pop-out ke Sisi Kiri */
.nb-nav-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background-color: var(--bg-surface);
  color: #ffffff;
  border: 2px solid var(--border-color);
  box-shadow: 3px 3px 0px var(--primary-orange);
  padding: 0.35rem 0.75rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 60;
}

.nb-nav-tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  border-width: 5px;
  border-style: solid;
  border-color: transparent transparent transparent var(--border-color);
}

.nb-side-nav-link:hover .nb-nav-tooltip,
.nb-side-cta:hover .nb-nav-tooltip,
.nb-side-top-btn:hover .nb-nav-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

/* Compatibility alias */
.nb-nav-link {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-muted);
  transition: all 0.15s ease;
  position: relative;
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
}

.nb-nav-link:hover, .nb-nav-link.active {
  color: #000000;
  background-color: var(--primary-orange);
  border: 1.5px solid var(--border-color);
  box-shadow: 2px 2px 0px #f8fafc;
}

/* Garis aksen judul section */
.nb-title-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--primary-orange);
  color: #000000;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  padding: 0.2rem 0.65rem;
  border: 2px solid #000000;
  box-shadow: 3px 3px 0px #f8fafc;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

/* Scrollbar Neo-Brutalisme */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
  border-left: 2px solid var(--border-color);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-orange);
  border: 2px solid #000000;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-orange-light);
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 75px; /* Offset untuk header mobile */
}

@media (min-width: 768px) {
  html {
    scroll-padding-top: 2rem; /* Offset untuk desktop */
  }
}