/* ==================== VARIABLE UTAMA TEMA CORE ==================== */
:root {
  --bg-dark-core: #0d1117;
  --bg-card-core: #161b22;
  --text-secondary: #8b949e;
  --accent-color: #58a6ff;
  --neon-green: #39ff14;
  --font-main: "Inter", sans-serif;
  --font-code: "Fira Code", monospace;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark-core) !important;
}

html {
  scroll-behavior: smooth;
}

/* ==================== CUSTOM NAVBAR CORE ==================== */
nav {
  background-color: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(10px);
  border-color: #21262d !important;
}

nav .logo {
  font-family: var(--font-code);
  color: var(--neon-green);
  font-weight: 700;
}

.custom-toggler {
  border-color: var(--text-secondary) !important;
}
.custom-toggler:focus {
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.4);
}

/* ==================== HOVER & ACTIVE NAV EFFECTS ==================== */
.navbar-nav .nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0.75rem !important;
  transition: color 0.3s ease;
}

/* Animasi garis bawah neon yang melebar */
.navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: var(--neon-green);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover {
  color: #ffffff !important;
}

.navbar-nav .nav-link:hover::after {
  width: 80%;
}

/* Efek Menu Saat Aktif Diklik */
.navbar-nav .nav-link.active-page {
  color: var(--neon-green) !important;
  font-weight: 600;
}

.navbar-nav .nav-link.active-page::after {
  width: 80%;
  background-color: var(--neon-green);
}

/* Penyesuaian Warna Khusus (Blog, YouTube, Toko) */
.nav-highlight:hover {
  color: var(--accent-color) !important;
}
.navbar-nav .nav-highlight::after {
  background-color: var(--accent-color);
}
.navbar-nav .nav-highlight.active-page {
  color: var(--accent-color) !important;
}

.nav-yt:hover {
  color: #ff0000 !important;
}
.navbar-nav .nav-yt::after {
  background-color: #ff0000;
}
.navbar-nav .nav-yt.active-page {
  color: #ff0000 !important;
}

/* Tombol Toko / Nav Button */
.nav-btn {
  border: 1px solid var(--neon-green);
  border-radius: 4px;
  color: var(--neon-green) !important;
  text-decoration: none;
  transition: all 0.3s ease !important;
}
.nav-btn:hover {
  background-color: var(--neon-green) !important;
  color: var(--bg-dark-core) !important;
  box-shadow: 0 0 15px rgba(57, 255, 20, 0.4);
  transform: scale(1.05);
}
.nav-btn::after {
  display: none !important;
} /* Hilangkan garis bawah tombol Toko */

/* ==================== HERO CUSTOMS ==================== */
.hero {
  min-height: 100vh;
  padding-top: 100px;
  background: radial-gradient(
    circle at 80% 20%,
    rgba(57, 255, 20, 0.02),
    transparent 40%
  );
}

.terminal-text {
  font-family: var(--font-code);
  color: var(--neon-green);
}

.highlight {
  color: var(--accent-color);
}
.tagline {
  color: var(--text-secondary);
}
.text-secondary-custom {
  color: var(--text-secondary);
}

/* Profile Glowing */
.profile-img {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-color);
  box-shadow: 0px 0px 20px rgba(88, 166, 255, 0.1);
  transition: all 0.3s ease;
}
.profile-img:hover {
  border-color: var(--neon-green);
  box-shadow: 0px 0px 25px rgba(57, 255, 20, 0.2);
}

/* ==================== BUTTONS & CARDS ==================== */
.btn-custom {
  padding: 0.75rem 1.75rem;
  color: var(--accent-color);
  border: 2px solid var(--accent-color);
  border-radius: 6px;
  font-weight: 600;
  background: transparent;
  transition: all 0.3s ease;
}
.btn-custom:hover {
  background-color: var(--accent-color);
  color: var(--bg-dark-core);
  box-shadow: 0px 0px 15px rgba(88, 166, 255, 0.3);
}
.btn-custom-secondary {
  border-color: var(--text-secondary);
  color: white;
}
.btn-custom-secondary:hover {
  background-color: var(--text-secondary);
  color: var(--bg-dark-core);
  box-shadow: none;
}

.card {
  background-color: var(--bg-card-core) !important;
  border-color: #21262d !important;
  transition:
    transform 0.3s ease,
    border-color 0.3s ease;
}
.skill-card:hover {
  transform: translateY(-5px);
  border-color: var(--neon-green) !important;
}

.section-title {
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: "";
  position: absolute;
  width: 50%;
  height: 3px;
  background-color: var(--neon-green);
  bottom: -10px;
  left: 0;
}

/* ==================== GALLERIES & UTILITIES ==================== */
.image-wrapper {
  height: 180px;
  background-color: #000;
}
.image-wrapper img {
  object-fit: cover;
  opacity: 0.75;
  transition: all 0.4s ease;
}
.gallery-item:hover .image-wrapper img {
  transform: scale(1.05);
  opacity: 1;
}
.gallery-item:hover {
  border-color: var(--accent-color) !important;
}

.text-neon-green {
  color: var(--neon-green) !important;
}
.border-neon-green {
  border-color: var(--neon-green) !important;
}
.text-accent {
  color: var(--accent-color) !important;
}
.border-accent {
  border-color: var(--accent-color) !important;
}

.eco-card {
  transition: all 0.3s ease;
}
.eco-badge {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  font-family: var(--font-code);
}
.eco-link {
  transition: padding-left 0.2s;
}
.eco-card:hover .eco-link {
  padding-left: 6px;
}

.eco-card:not(.youtube-card):hover {
  border-color: var(--neon-green) !important;
}
.youtube-card:hover {
  border-color: #ff0000 !important;
  box-shadow: 0 0 15px rgba(255, 0, 0, 0.1);
}

/* RESPONSIVE CENTER ALIGN FOR TITLES */
@media (max-width: 991px) {
  .section-title::after {
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
  }
}