/* =========================================
   GLOBAL STYLES & VARIABLES - HSTUDIO
========================================= */
:root {
  --bg-base: #070A13;
  --bg-surface: #0E1326;
  --bg-surface-glass: rgba(14, 19, 38, 0.8);
  --border-color: rgba(197, 168, 128, 0.15);
  --primary: #C5A880; /* Champagne Gold */
  --primary-glow: rgba(197, 168, 128, 0.3);
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --font-title: 'Sora', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

* { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

.container { 
  width: 100%; 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 2rem; 
}

/* =========================================
   GLOBAL BUTTONS
========================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.75rem;
  padding: 0.85rem 2rem; font-family: var(--font-title); font-size: 0.9rem; font-weight: 600;
  border-radius: 8px; text-decoration: none; transition: all 0.3s ease; cursor: pointer; border: none;
}
.btn-premium { background: linear-gradient(135deg, #C5A880 0%, #A3855C 100%); color: #070A13; box-shadow: 0 4px 20px var(--primary-glow); }
.btn-premium:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(197, 168, 128, 0.5); }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: rgba(197, 168, 128, 0.1); transform: translateY(-2px); }
.btn-sm { padding: 0.6rem 1.25rem; font-size: 0.8rem; }

/* =========================================
   NAVBAR (HEADER) DESKTOP
========================================= */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(7, 10, 19, 0.85); 
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05); 
  padding: 1.25rem 0;
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.nav-logo { font-family: var(--font-title); font-size: 1.4rem; font-weight: 800; color: var(--text-main); text-decoration: none; }
.nav-logo span { color: var(--primary); }
.nav-links { display: flex; gap: 2.5rem; }
.nav-link { text-decoration: none; color: var(--text-muted); font-size: 0.95rem; font-weight: 500; transition: color 0.3s ease; }
.nav-link:hover, .nav-link.active { color: var(--primary); }

/* Elemen Khusus Mobile Menu (Sembunyi di Desktop) */
.mobile-menu-btn {
  display: none; 
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.6rem;
  cursor: pointer;
  z-index: 1001;
  transition: color 0.3s;
}
.mobile-menu-btn:hover { color: var(--primary); }
.desktop-only { display: block; }
.nav-actions-mobile { display: none; }

/* =========================================
   FOOTER
========================================= */
.footer { border-top: 1px solid rgba(255, 255, 255, 0.05); padding: 5rem 0 2rem 0; background: #04060C; margin-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 4rem; margin-bottom: 4rem; }
.footer-brand p { color: var(--text-muted); font-size: 0.95rem; margin-top: 1rem; max-width: 260px; }
.footer-title { font-family: var(--font-title); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--primary); margin-bottom: 1.5rem; }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 0.85rem; }
.footer-links a { color: var(--text-muted); text-decoration: none; transition: color 0.3s ease; font-size: 0.95rem; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.05); padding-top: 2rem; display: flex; justify-content: space-between; color: var(--text-muted); font-size: 0.9rem; }

/* =========================================
   RESPONSIVE DESIGN (MOBILE & TABLET)
========================================= */
@media (max-width: 968px) {
  /* --- Navbar & Mobile Menu --- */
  .mobile-menu-btn {
    display: block; /* Munculkan tombol Hamburger di HP */
  }
  .desktop-only {
    display: none !important; /* Sembunyikan tombol CTA Desktop */
  }
  .nav-actions-mobile {
    display: block; /* Munculkan tombol CTA di dalam menu HP */
    width: 100%;
    margin-top: 2rem;
  }
  
  /* Menu Sliding Kaca (Glassmorphism) */
  .nav-links {
    position: fixed;
    top: 73px; /* Mulai pas di bawah header */
    left: -100%; /* Sembunyikan di luar layar kiri secara default */
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(7, 10, 19, 0.98); /* Warna gelap pekat */
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 3rem 2rem;
    gap: 2rem;
    transition: left 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 1000;
  }
  
  /* Class .active dipicu oleh JavaScript saat tombol diklik */
  .nav-links.active {
    left: 0; 
  }
  
  .nav-link {
    font-size: 1.25rem;
    font-family: var(--font-title);
    color: #E2E8F0;
    width: 100%;
    text-align: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  .nav-link:hover {
    color: var(--primary);
  }

  /* --- Footer --- */
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 1rem; }
}